1 | /* |
1 | /* |
2 | * static char *rcsid_map_c = |
2 | * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. |
3 | * "$Id: map.C,v 1.16 2006/08/30 16:30:37 root Exp $"; |
3 | * |
4 | */ |
4 | * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team |
5 | |
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6 | /* |
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7 | CrossFire, A Multiplayer game for X-windows |
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8 | |
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9 | Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team |
5 | * Copyright (©) 2001-2003,2007 Mark Wedel & Crossfire Development Team |
10 | Copyright (C) 1992 Frank Tore Johansen |
6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
11 | |
7 | * |
12 | This program is free software; you can redistribute it and/or modify |
8 | * Crossfire TRT is free software: you can redistribute it and/or modify |
13 | it under the terms of the GNU General Public License as published by |
9 | * it under the terms of the GNU General Public License as published by |
14 | the Free Software Foundation; either version 2 of the License, or |
10 | * the Free Software Foundation, either version 3 of the License, or |
15 | (at your option) any later version. |
11 | * (at your option) any later version. |
16 | |
12 | * |
17 | This program is distributed in the hope that it will be useful, |
13 | * This program is distributed in the hope that it will be useful, |
18 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
20 | GNU General Public License for more details. |
16 | * GNU General Public License for more details. |
21 | |
17 | * |
22 | You should have received a copy of the GNU General Public License |
18 | * You should have received a copy of the GNU General Public License |
23 | along with this program; if not, write to the Free Software |
19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
24 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | * |
25 | |
21 | * The authors can be reached via e-mail to <crossfire@schmorp.de> |
26 | The authors can be reached via e-mail at crossfire-devel@real-time.com |
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27 | */ |
22 | */ |
28 | |
23 | |
29 | |
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30 | #include <global.h> |
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31 | #include <funcpoint.h> |
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32 | |
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33 | #include <loader.h> |
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34 | #ifndef WIN32 /* ---win32 exclude header */ |
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35 | #include <unistd.h> |
24 | #include <unistd.h> |
36 | #endif /* win32 */ |
25 | |
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26 | #include "global.h" |
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27 | #include "funcpoint.h" |
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28 | |
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29 | #include "loader.h" |
37 | |
30 | |
38 | #include "path.h" |
31 | #include "path.h" |
39 | |
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40 | |
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41 | extern int nrofallocobjects,nroffreeobjects; |
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42 | |
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43 | /* |
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44 | * Returns the mapstruct which has a name matching the given argument. |
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45 | * return NULL if no match is found. |
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46 | */ |
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47 | |
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48 | mapstruct *has_been_loaded (const char *name) { |
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49 | mapstruct *map; |
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50 | |
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51 | if (!name || !*name) |
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52 | return 0; |
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53 | for (map = first_map; map; map = map->next) |
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54 | if (!strcmp (name, map->path)) |
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55 | break; |
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56 | return (map); |
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57 | } |
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58 | |
32 | |
59 | /* |
33 | /* |
60 | * This makes a path absolute outside the world of Crossfire. |
34 | * This makes a path absolute outside the world of Crossfire. |
61 | * In other words, it prepends LIBDIR/MAPDIR/ to the given path |
35 | * In other words, it prepends LIBDIR/MAPDIR/ to the given path |
62 | * and returns the pointer to a static array containing the result. |
36 | * and returns the pointer to a static array containing the result. |
63 | * it really should be called create_mapname |
37 | * it really should be called create_mapname |
64 | */ |
38 | */ |
65 | |
39 | const char * |
66 | const char *create_pathname (const char *name) { |
40 | create_pathname (const char *name) |
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41 | { |
67 | static char buf[MAX_BUF]; |
42 | static char buf[8192]; |
68 | |
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69 | /* Why? having extra / doesn't confuse unix anyplace? Dependancies |
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70 | * someplace else in the code? msw 2-17-97 |
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71 | */ |
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72 | if (*name == '/') |
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73 | sprintf (buf, "%s/%s%s", settings.datadir, settings.mapdir, name); |
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74 | else |
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75 | sprintf (buf, "%s/%s/%s", settings.datadir, settings.mapdir, name); |
43 | snprintf (buf, sizeof (buf), "%s/%s/%s", settings.datadir, settings.mapdir, name); |
76 | return (buf); |
44 | return buf; |
77 | } |
45 | } |
78 | |
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79 | /* |
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80 | * same as create_pathname, but for the overlay maps. |
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81 | */ |
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82 | |
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83 | const char *create_overlay_pathname (const char *name) { |
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84 | static char buf[MAX_BUF]; |
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85 | |
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86 | /* Why? having extra / doesn't confuse unix anyplace? Dependancies |
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87 | * someplace else in the code? msw 2-17-97 |
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88 | */ |
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89 | if (*name == '/') |
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90 | sprintf (buf, "%s/%s%s", settings.localdir, settings.mapdir, name); |
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91 | else |
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92 | sprintf (buf, "%s/%s/%s", settings.localdir, settings.mapdir, name); |
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93 | return (buf); |
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94 | } |
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95 | |
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96 | /* |
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97 | * same as create_pathname, but for the template maps. |
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98 | */ |
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99 | |
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100 | const char *create_template_pathname (const char *name) { |
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101 | static char buf[MAX_BUF]; |
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102 | |
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103 | /* Why? having extra / doesn't confuse unix anyplace? Dependancies |
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104 | * someplace else in the code? msw 2-17-97 |
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105 | */ |
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106 | if (*name == '/') |
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107 | sprintf (buf, "%s/%s%s", settings.localdir, settings.templatedir, name); |
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108 | else |
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109 | sprintf (buf, "%s/%s/%s", settings.localdir, settings.templatedir, name); |
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110 | return (buf); |
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111 | } |
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112 | |
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113 | /* |
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114 | * This makes absolute path to the itemfile where unique objects |
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115 | * will be saved. Converts '/' to '@'. I think it's essier maintain |
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116 | * files than full directory structure, but if this is problem it can |
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117 | * be changed. |
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118 | */ |
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119 | static const char *create_items_path (const char *s) { |
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120 | static char buf[MAX_BUF]; |
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121 | char *t; |
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122 | |
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123 | if (*s == '/') |
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124 | s++; |
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125 | |
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126 | sprintf (buf, "%s/%s/", settings.localdir, settings.uniquedir); |
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127 | |
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128 | for (t=buf+strlen(buf); *s; s++,t++) |
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129 | if (*s == '/') |
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130 | *t = '@'; |
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131 | else |
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132 | *t = *s; |
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133 | *t = 0; |
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134 | return (buf); |
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135 | } |
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136 | |
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137 | |
46 | |
138 | /* |
47 | /* |
139 | * This function checks if a file with the given path exists. |
48 | * This function checks if a file with the given path exists. |
140 | * -1 is returned if it fails, otherwise the mode of the file |
49 | * -1 is returned if it fails, otherwise the mode of the file |
141 | * is returned. |
50 | * is returned. |
… | |
… | |
148 | * the rest of the code only cares that the file is readable. |
57 | * the rest of the code only cares that the file is readable. |
149 | * when the editor goes away, the call to stat should probably be |
58 | * when the editor goes away, the call to stat should probably be |
150 | * replaced by an access instead (similar to the windows one, but |
59 | * replaced by an access instead (similar to the windows one, but |
151 | * that seems to be missing the prepend_dir processing |
60 | * that seems to be missing the prepend_dir processing |
152 | */ |
61 | */ |
153 | |
62 | int |
154 | int check_path (const char *name, int prepend_dir) |
63 | check_path (const char *name, int prepend_dir) |
155 | { |
64 | { |
156 | char buf[MAX_BUF]; |
65 | char buf[MAX_BUF]; |
157 | #ifndef WIN32 |
66 | |
158 | char *endbuf; |
67 | char *endbuf; |
159 | struct stat statbuf; |
68 | struct stat statbuf; |
160 | int mode = 0, i; |
69 | int mode = 0; |
161 | #endif |
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162 | |
70 | |
163 | if (prepend_dir) |
71 | if (prepend_dir) |
164 | strcpy (buf, create_pathname(name)); |
72 | assign (buf, create_pathname (name)); |
165 | else |
73 | else |
166 | strcpy(buf, name); |
74 | assign (buf, name); |
167 | #ifdef WIN32 /* ***win32: check this sucker in windows style. */ |
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168 | return(_access(buf,0)); |
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169 | #else |
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170 | |
75 | |
171 | /* old method (strchr(buf, '\0')) seemd very odd to me - |
76 | /* old method (strchr(buf, '\0')) seemd very odd to me - |
172 | * this method should be equivalant and is clearer. |
77 | * this method should be equivalant and is clearer. |
173 | * Can not use strcat because we need to cycle through |
78 | * Can not use strcat because we need to cycle through |
174 | * all the names. |
79 | * all the names. |
175 | */ |
80 | */ |
176 | endbuf = buf + strlen(buf); |
81 | endbuf = buf + strlen (buf); |
177 | |
82 | |
178 | if (stat (buf, &statbuf)) |
83 | if (stat (buf, &statbuf)) |
179 | return -1; |
84 | return -1; |
180 | if (!S_ISREG (statbuf.st_mode)) |
85 | if (!S_ISREG (statbuf.st_mode)) |
181 | return (-1); |
86 | return (-1); |
182 | |
87 | |
183 | if (((statbuf.st_mode & S_IRGRP) && getegid() == statbuf.st_gid) || |
88 | if (((statbuf.st_mode & S_IRGRP) && getegid () == statbuf.st_gid) || |
184 | ((statbuf.st_mode & S_IRUSR) && geteuid() == statbuf.st_uid) || |
89 | ((statbuf.st_mode & S_IRUSR) && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IROTH)) |
185 | (statbuf.st_mode & S_IROTH)) |
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186 | mode |= 4; |
90 | mode |= 4; |
187 | |
91 | |
188 | if ((statbuf.st_mode & S_IWGRP && getegid() == statbuf.st_gid) || |
92 | if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) || |
189 | (statbuf.st_mode & S_IWUSR && geteuid() == statbuf.st_uid) || |
93 | (statbuf.st_mode & S_IWUSR && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IWOTH)) |
190 | (statbuf.st_mode & S_IWOTH)) |
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191 | mode |= 2; |
94 | mode |= 2; |
192 | |
95 | |
193 | return (mode); |
96 | return (mode); |
194 | #endif |
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195 | } |
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196 | |
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197 | /* |
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198 | * Prints out debug-information about a map. |
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199 | * Dumping these at llevError doesn't seem right, but is |
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200 | * necessary to make sure the information is in fact logged. |
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201 | */ |
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202 | |
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203 | void dump_map(const mapstruct *m) { |
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204 | LOG(llevError,"Map %s status: %d.\n",m->path,m->in_memory); |
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205 | LOG(llevError,"Size: %dx%d Start: %d,%d\n", |
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206 | MAP_WIDTH(m), MAP_HEIGHT(m), |
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207 | MAP_ENTER_X(m), MAP_ENTER_Y(m)); |
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208 | |
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209 | if(m->msg!=NULL) |
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210 | LOG(llevError,"Message:\n%s",m->msg); |
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211 | |
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212 | if(m->maplore!=NULL) |
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213 | LOG(llevError,"Lore:\n%s",m->maplore); |
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214 | |
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215 | if(m->tmpname!=NULL) |
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216 | LOG(llevError,"Tmpname: %s\n",m->tmpname); |
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217 | |
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218 | LOG(llevError,"Difficulty: %d\n",m->difficulty); |
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219 | LOG(llevError,"Darkness: %d\n",m->darkness); |
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220 | } |
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221 | |
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222 | /* |
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223 | * Prints out debug-information about all maps. |
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224 | * This basically just goes through all the maps and calls |
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225 | * dump_map on each one. |
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226 | */ |
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227 | |
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228 | void dump_all_maps(void) { |
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229 | mapstruct *m; |
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230 | for(m=first_map;m!=NULL;m=m->next) { |
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231 | dump_map(m); |
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232 | } |
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233 | } |
97 | } |
234 | |
98 | |
235 | /* This rolls up wall, blocks_magic, blocks_view, etc, all into |
99 | /* This rolls up wall, blocks_magic, blocks_view, etc, all into |
236 | * one function that just returns a P_.. value (see map.h) |
100 | * one function that just returns a P_.. value (see map.h) |
237 | * it will also do map translation for tiled maps, returning |
101 | * it will also do map translation for tiled maps, returning |
… | |
… | |
240 | * by a P_NEW_MAP value, another call to get_map_from_coord |
104 | * by a P_NEW_MAP value, another call to get_map_from_coord |
241 | * is needed. The case of not passing values is if we're just |
105 | * is needed. The case of not passing values is if we're just |
242 | * checking for the existence of something on those spaces, but |
106 | * checking for the existence of something on those spaces, but |
243 | * don't expect to insert/remove anything from those spaces. |
107 | * don't expect to insert/remove anything from those spaces. |
244 | */ |
108 | */ |
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109 | int |
245 | int get_map_flags(mapstruct *oldmap, mapstruct **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny) |
110 | get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny) |
246 | { |
111 | { |
247 | sint16 newx, newy; |
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248 | int retval=0; |
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249 | mapstruct *mp; |
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250 | |
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251 | if (out_of_map(oldmap, x, y)) return P_OUT_OF_MAP; |
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252 | newx = x; |
112 | sint16 newx = x; |
253 | newy = y; |
113 | sint16 newy = y; |
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114 | |
254 | mp = get_map_from_coord(oldmap, &newx, &newy); |
115 | maptile *mp = get_map_from_coord (oldmap, &newx, &newy); |
255 | if (mp != oldmap) |
116 | |
256 | retval |= P_NEW_MAP; |
117 | if (!mp) |
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118 | return P_OUT_OF_MAP; |
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119 | |
257 | if (newmap) *newmap = mp; |
120 | if (newmap) *newmap = mp; |
258 | if (nx) *nx = newx; |
121 | if (nx) *nx = newx; |
259 | if (ny) *ny = newy; |
122 | if (ny) *ny = newy; |
260 | retval |= mp->spaces[newx + mp->width * newy].flags; |
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261 | |
123 | |
262 | if (retval & P_SAFE) |
124 | return mp->at (newx, newy).flags () | (mp != oldmap ? P_NEW_MAP : 0); |
263 | retval |= P_NO_MAGIC | P_NO_CLERIC; // P_SAFE does imply these |
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264 | |
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265 | return retval; |
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266 | } |
125 | } |
267 | |
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268 | |
126 | |
269 | /* |
127 | /* |
270 | * Returns true if the given coordinate is blocked except by the |
128 | * Returns true if the given coordinate is blocked except by the |
271 | * object passed is not blocking. This is used with |
129 | * object passed is not blocking. This is used with |
272 | * multipart monsters - if we want to see if a 2x2 monster |
130 | * multipart monsters - if we want to see if a 2x2 monster |
… | |
… | |
276 | * monster. |
134 | * monster. |
277 | * m, x, y are the target map/coordinates - needed for map tiling. |
135 | * m, x, y are the target map/coordinates - needed for map tiling. |
278 | * the coordinates & map passed in should have been updated for tiling |
136 | * the coordinates & map passed in should have been updated for tiling |
279 | * by the caller. |
137 | * by the caller. |
280 | */ |
138 | */ |
281 | |
139 | int |
282 | int blocked_link(object *ob, mapstruct *m, int sx, int sy) { |
140 | blocked_link (object *ob, maptile *m, int sx, int sy) |
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141 | { |
283 | object *tmp; |
142 | object *tmp; |
284 | int mflags, blocked; |
143 | int mflags, blocked; |
285 | |
144 | |
286 | /* Make sure the coordinates are valid - they should be, as caller should |
145 | /* Make sure the coordinates are valid - they should be, as caller should |
287 | * have already checked this. |
146 | * have already checked this. |
288 | */ |
147 | */ |
289 | if (OUT_OF_REAL_MAP(m, sx, sy)) { |
148 | if (OUT_OF_REAL_MAP (m, sx, sy)) |
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149 | { |
290 | LOG(llevError,"blocked_link: Passed map, x, y coordinates outside of map\n"); |
150 | LOG (llevError, "blocked_link: Passed map, x, y coordinates outside of map\n"); |
291 | return 1; |
151 | return 1; |
292 | } |
152 | } |
293 | |
153 | |
294 | /* Save some cycles - instead of calling get_map_flags(), just get the value |
154 | /* Save some cycles - instead of calling get_map_flags(), just get the value |
295 | * directly. |
155 | * directly. |
296 | */ |
156 | */ |
297 | mflags = m->spaces[sx + m->width * sy].flags; |
157 | mflags = m->at (sx, sy).flags (); |
298 | |
158 | |
299 | blocked = GET_MAP_MOVE_BLOCK(m, sx, sy); |
159 | blocked = GET_MAP_MOVE_BLOCK (m, sx, sy); |
300 | |
160 | |
301 | /* If space is currently not blocked by anything, no need to |
161 | /* If space is currently not blocked by anything, no need to |
302 | * go further. Not true for players - all sorts of special |
162 | * go further. Not true for players - all sorts of special |
303 | * things we need to do for players. |
163 | * things we need to do for players. |
304 | */ |
164 | */ |
305 | if (ob->type != PLAYER && ! (mflags & P_IS_ALIVE) && (blocked==0)) return 0; |
165 | if (ob->type != PLAYER && !(mflags & P_IS_ALIVE) && (blocked == 0)) |
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166 | return 0; |
306 | |
167 | |
307 | /* if there isn't anytyhing alive on this space, and this space isn't |
168 | /* if there isn't anytyhing alive on this space, and this space isn't |
308 | * otherwise blocked, we can return now. Only if there is a living |
169 | * otherwise blocked, we can return now. Only if there is a living |
309 | * creature do we need to investigate if it is part of this creature |
170 | * creature do we need to investigate if it is part of this creature |
310 | * or another. Likewise, only if something is blocking us do we |
171 | * or another. Likewise, only if something is blocking us do we |
311 | * need to investigate if there is a special circumstance that would |
172 | * need to investigate if there is a special circumstance that would |
312 | * let the player through (inventory checkers for example) |
173 | * let the player through (inventory checkers for example) |
313 | */ |
174 | */ |
314 | if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK(ob, blocked)) return 0; |
175 | if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (ob, blocked)) |
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176 | return 0; |
315 | |
177 | |
316 | if(ob->head != NULL) |
178 | ob = ob->head_ (); |
317 | ob=ob->head; |
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318 | |
179 | |
319 | /* We basically go through the stack of objects, and if there is |
180 | /* We basically go through the stack of objects, and if there is |
320 | * some other object that has NO_PASS or FLAG_ALIVE set, return |
181 | * some other object that has NO_PASS or FLAG_ALIVE set, return |
321 | * true. If we get through the entire stack, that must mean |
182 | * true. If we get through the entire stack, that must mean |
322 | * ob is blocking it, so return 0. |
183 | * ob is blocking it, so return 0. |
323 | */ |
184 | */ |
324 | for(tmp = GET_MAP_OB(m,sx,sy); tmp!= NULL; tmp = tmp->above) { |
185 | for (tmp = GET_MAP_OB (m, sx, sy); tmp; tmp = tmp->above) |
|
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186 | { |
325 | |
187 | |
326 | /* This must be before the checks below. Code for inventory checkers. */ |
188 | /* This must be before the checks below. Code for inventory checkers. */ |
327 | if (tmp->type==CHECK_INV && OB_MOVE_BLOCK(ob, tmp)) { |
189 | if (tmp->type == CHECK_INV && OB_MOVE_BLOCK (ob, tmp)) |
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190 | { |
328 | /* If last_sp is set, the player/monster needs an object, |
191 | /* If last_sp is set, the player/monster needs an object, |
329 | * so we check for it. If they don't have it, they can't |
192 | * so we check for it. If they don't have it, they can't |
330 | * pass through this space. |
193 | * pass through this space. |
331 | */ |
194 | */ |
332 | if (tmp->last_sp) { |
195 | if (tmp->last_sp) |
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196 | { |
333 | if (check_inv_recursive(ob,tmp)==NULL) |
197 | if (check_inv_recursive (ob, tmp) == NULL) |
334 | return 1; |
198 | return 1; |
335 | else |
199 | else |
336 | continue; |
200 | continue; |
337 | } else { |
|
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338 | /* In this case, the player must not have the object - |
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339 | * if they do, they can't pass through. |
|
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340 | */ |
|
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341 | if (check_inv_recursive(ob,tmp)!=NULL) /* player has object */ |
|
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342 | return 1; |
|
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343 | else |
|
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344 | continue; |
|
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345 | } |
201 | } |
346 | } /* if check_inv */ |
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347 | else { |
202 | else |
|
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203 | { |
|
|
204 | /* In this case, the player must not have the object - |
|
|
205 | * if they do, they can't pass through. |
|
|
206 | */ |
|
|
207 | if (check_inv_recursive (ob, tmp) != NULL) /* player has object */ |
|
|
208 | return 1; |
|
|
209 | else |
|
|
210 | continue; |
|
|
211 | } |
|
|
212 | } /* if check_inv */ |
|
|
213 | else |
|
|
214 | { |
348 | /* Broke apart a big nasty if into several here to make |
215 | /* Broke apart a big nasty if into several here to make |
349 | * this more readable. first check - if the space blocks |
216 | * this more readable. first check - if the space blocks |
350 | * movement, can't move here. |
217 | * movement, can't move here. |
351 | * second - if a monster, can't move there, unles it is a |
218 | * second - if a monster, can't move there, unless it is a |
352 | * hidden dm |
219 | * hidden dm |
353 | */ |
220 | */ |
354 | if (OB_MOVE_BLOCK(ob, tmp)) return 1; |
221 | if (OB_MOVE_BLOCK (ob, tmp)) |
355 | if (QUERY_FLAG(tmp,FLAG_ALIVE) && tmp->head != ob && tmp != ob && |
|
|
356 | tmp->type != DOOR && !(QUERY_FLAG(tmp,FLAG_WIZ) && tmp->contr->hidden)) |
|
|
357 | return 1; |
222 | return 1; |
|
|
223 | |
|
|
224 | if (tmp->flag [FLAG_ALIVE] |
|
|
225 | && tmp->head_ () != ob |
|
|
226 | && tmp != ob |
|
|
227 | && tmp->type != DOOR |
|
|
228 | && !(tmp->flag [FLAG_WIZ] && tmp->contr->hidden)) |
|
|
229 | return 1; |
358 | } |
230 | } |
359 | |
231 | |
360 | } |
232 | } |
361 | return 0; |
233 | return 0; |
362 | } |
234 | } |
363 | |
|
|
364 | |
235 | |
365 | /* |
236 | /* |
366 | * Returns true if the given object can't fit in the given spot. |
237 | * Returns true if the given object can't fit in the given spot. |
367 | * This is meant for multi space objects - for single space objecs, |
238 | * This is meant for multi space objects - for single space objecs, |
368 | * just calling get_map_blocked and checking that against movement type |
239 | * just calling get_map_blocked and checking that against movement type |
… | |
… | |
386 | * |
257 | * |
387 | * Note this used to be arch_blocked, but with new movement |
258 | * Note this used to be arch_blocked, but with new movement |
388 | * code, we need to have actual object to check its move_type |
259 | * code, we need to have actual object to check its move_type |
389 | * against the move_block values. |
260 | * against the move_block values. |
390 | */ |
261 | */ |
391 | |
262 | int |
392 | int ob_blocked(const object *ob,mapstruct *m,sint16 x,sint16 y) { |
263 | ob_blocked (const object *ob, maptile *m, sint16 x, sint16 y) |
|
|
264 | { |
393 | archetype *tmp; |
265 | archetype *tmp; |
394 | int flag; |
266 | int flag; |
395 | mapstruct *m1; |
267 | maptile *m1; |
396 | sint16 sx, sy; |
268 | sint16 sx, sy; |
397 | |
269 | |
398 | if(ob==NULL) { |
270 | if (!ob) |
|
|
271 | { |
399 | flag= get_map_flags(m,&m1, x,y, &sx, &sy); |
272 | flag = get_map_flags (m, &m1, x, y, &sx, &sy); |
400 | if (flag & P_OUT_OF_MAP) return P_OUT_OF_MAP; |
273 | if (flag & P_OUT_OF_MAP) |
|
|
274 | return P_OUT_OF_MAP; |
401 | |
275 | |
402 | /* don't have object, so don't know what types would block */ |
276 | /* don't have object, so don't know what types would block */ |
403 | return(GET_MAP_MOVE_BLOCK(m1, sx, sy)); |
277 | return m1->at (sx, sy).move_block; |
|
|
278 | } |
|
|
279 | |
|
|
280 | for (tmp = ob->arch; tmp; tmp = (archetype *)tmp->more) |
404 | } |
281 | { |
405 | |
|
|
406 | for(tmp=ob->arch; tmp!=NULL;tmp=tmp->more) { |
|
|
407 | flag = get_map_flags(m, &m1, x+tmp->clone.x,y+tmp->clone.y, &sx, &sy); |
282 | flag = get_map_flags (m, &m1, x + tmp->x, y + tmp->y, &sx, &sy); |
408 | |
283 | |
409 | if (flag & P_OUT_OF_MAP) return P_OUT_OF_MAP; |
284 | if (flag & P_OUT_OF_MAP) |
410 | if (flag & P_IS_ALIVE) return P_IS_ALIVE; |
285 | return P_OUT_OF_MAP; |
|
|
286 | if (flag & P_IS_ALIVE) |
|
|
287 | return P_IS_ALIVE; |
411 | |
288 | |
|
|
289 | mapspace &ms = m1->at (sx, sy); |
|
|
290 | |
412 | /* find_first_free_spot() calls this function. However, often |
291 | /* find_first_free_spot() calls this function. However, often |
413 | * ob doesn't have any move type (when used to place exits) |
292 | * ob doesn't have any move type (when used to place exits) |
414 | * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work. |
293 | * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work. |
415 | */ |
294 | */ |
416 | |
295 | |
417 | if (ob->move_type == 0 && GET_MAP_MOVE_BLOCK(m1, sx, sy) != MOVE_ALL) continue; |
296 | if (ob->move_type == 0 && ms.move_block != MOVE_ALL) |
|
|
297 | continue; |
418 | |
298 | |
419 | /* Note it is intentional that we check ob - the movement type of the |
299 | /* Note it is intentional that we check ob - the movement type of the |
420 | * head of the object should correspond for the entire object. |
300 | * head of the object should correspond for the entire object. |
421 | */ |
301 | */ |
422 | if (OB_TYPE_MOVE_BLOCK(ob, GET_MAP_MOVE_BLOCK(m1, sx, sy))) |
302 | if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block)) |
423 | return AB_NO_PASS; |
303 | return P_NO_PASS; |
424 | |
|
|
425 | } |
304 | } |
|
|
305 | |
426 | return 0; |
306 | return 0; |
427 | } |
307 | } |
428 | |
308 | |
429 | /* When the map is loaded, load_object does not actually insert objects |
309 | /* When the map is loaded, load_object does not actually insert objects |
430 | * into inventory, but just links them. What this does is go through |
310 | * into inventory, but just links them. What this does is go through |
431 | * and insert them properly. |
311 | * and insert them properly. |
432 | * The object 'container' is the object that contains the inventory. |
312 | * The object 'container' is the object that contains the inventory. |
433 | * This is needed so that we can update the containers weight. |
313 | * This is needed so that we can update the containers weight. |
434 | */ |
314 | */ |
435 | |
315 | void |
436 | void fix_container(object *container) |
316 | fix_container (object *container) |
437 | { |
317 | { |
438 | object *tmp=container->inv, *next; |
318 | object *tmp = container->inv, *next; |
439 | |
319 | |
440 | container->inv=NULL; |
320 | container->inv = 0; |
441 | while (tmp!=NULL) { |
321 | while (tmp) |
|
|
322 | { |
442 | next = tmp->below; |
323 | next = tmp->below; |
443 | if (tmp->inv) |
324 | if (tmp->inv) |
444 | fix_container(tmp); |
325 | fix_container (tmp); |
|
|
326 | |
445 | (void) insert_ob_in_ob(tmp,container); |
327 | insert_ob_in_ob (tmp, container); |
446 | tmp = next; |
328 | tmp = next; |
447 | } |
329 | } |
|
|
330 | |
448 | /* sum_weight will go through and calculate what all the containers are |
331 | /* sum_weight will go through and calculate what all the containers are |
449 | * carrying. |
332 | * carrying. |
450 | */ |
333 | */ |
451 | sum_weight(container); |
334 | sum_weight (container); |
|
|
335 | } |
|
|
336 | |
|
|
337 | void |
|
|
338 | maptile::set_object_flag (int flag, int value) |
|
|
339 | { |
|
|
340 | if (!spaces) |
|
|
341 | return; |
|
|
342 | |
|
|
343 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
|
|
344 | for (object *tmp = ms->bot; tmp; tmp = tmp->above) |
|
|
345 | tmp->flag [flag] = value; |
452 | } |
346 | } |
453 | |
347 | |
454 | /* link_multipart_objects go through all the objects on the map looking |
348 | /* link_multipart_objects go through all the objects on the map looking |
455 | * for objects whose arch says they are multipart yet according to the |
349 | * for objects whose arch says they are multipart yet according to the |
456 | * info we have, they only have the head (as would be expected when |
350 | * info we have, they only have the head (as would be expected when |
457 | * they are saved). We do have to look for the old maps that did save |
351 | * they are saved). |
458 | * the more sections and not re-add sections for them. |
|
|
459 | */ |
352 | */ |
460 | |
353 | void |
461 | static void link_multipart_objects(mapstruct *m) |
354 | maptile::link_multipart_objects () |
462 | { |
355 | { |
463 | int x,y; |
356 | if (!spaces) |
464 | object *tmp, *op, *last, *above; |
357 | return; |
465 | archetype *at; |
|
|
466 | |
358 | |
467 | for(x=0;x<MAP_WIDTH(m);x++) |
359 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
468 | for(y=0;y<MAP_HEIGHT(m);y++) |
360 | { |
469 | for(tmp=get_map_ob(m,x,y);tmp!=NULL;tmp=above) { |
361 | object *op = ms->bot; |
470 | above=tmp->above; |
362 | while (op) |
471 | |
363 | { |
472 | /* already multipart - don't do anything more */ |
364 | /* already multipart - don't do anything more */ |
473 | if (tmp->head || tmp->more) continue; |
365 | if (op->head_ () == op && !op->more && op->arch->more) |
474 | |
|
|
475 | /* If there is nothing more to this object, this for loop |
|
|
476 | * won't do anything. |
|
|
477 | */ |
|
|
478 | for (at = tmp->arch->more, last=tmp; at != NULL; at=at->more, last=op) { |
|
|
479 | op = arch_to_object(at); |
|
|
480 | |
|
|
481 | /* update x,y coordinates */ |
|
|
482 | op->x += tmp->x; |
|
|
483 | op->y += tmp->y; |
|
|
484 | op->head = tmp; |
|
|
485 | op->map = m; |
|
|
486 | last->more = op; |
|
|
487 | if (tmp->name != op->name) { |
|
|
488 | if (op->name) free_string(op->name); |
|
|
489 | op->name = add_string(tmp->name); |
|
|
490 | } |
|
|
491 | if (tmp->title != op->title) { |
|
|
492 | if (op->title) free_string(op->title); |
|
|
493 | op->title = add_string(tmp->title); |
|
|
494 | } |
|
|
495 | /* we could link all the parts onto tmp, and then just |
|
|
496 | * call insert_ob_in_map once, but the effect is the same, |
|
|
497 | * as insert_ob_in_map will call itself with each part, and |
|
|
498 | * the coding is simpler to just to it here with each part. |
|
|
499 | */ |
|
|
500 | insert_ob_in_map(op, op->map, tmp,INS_NO_MERGE|INS_ABOVE_FLOOR_ONLY|INS_NO_WALK_ON); |
|
|
501 | } /* for at = tmp->arch->more */ |
|
|
502 | } /* for objects on this space */ |
|
|
503 | } |
|
|
504 | |
|
|
505 | |
366 | { |
|
|
367 | op->remove (); |
|
|
368 | op->expand_tail (); |
|
|
369 | |
|
|
370 | // FIXME: INS_ON_TOP is just a workaround for the pentagram vs. |
|
|
371 | // multi-tile monster bug, where INS_ABOVE_FLOOR_ONLY put the monsters |
|
|
372 | // below the pentagrams... hopefully INS_ON_TOP doesn't break anything |
|
|
373 | insert (op, op->x, op->y, 0, INS_NO_MERGE | INS_ON_TOP | INS_NO_WALK_ON); |
|
|
374 | |
|
|
375 | op = ms->bot; // we are mutating the mapspace too much with INS_ON_TOP |
|
|
376 | // so we have to reset the iteration through the mapspace |
|
|
377 | } |
|
|
378 | else |
|
|
379 | op = op->above; |
|
|
380 | } |
|
|
381 | } |
|
|
382 | } |
506 | |
383 | |
507 | /* |
384 | /* |
508 | * Loads (ands parses) the objects into a given map from the specified |
385 | * Loads (ands parses) the objects into a given map from the specified |
509 | * file pointer. |
386 | * file pointer. |
510 | * mapflags is the same as we get with load_original_map |
|
|
511 | */ |
387 | */ |
|
|
388 | bool |
|
|
389 | maptile::_load_objects (object_thawer &f) |
|
|
390 | { |
|
|
391 | for (;;) |
|
|
392 | { |
|
|
393 | coroapi::cede_to_tick_every (100); // cede once in a while |
512 | |
394 | |
513 | void load_objects (mapstruct *m, object_thawer &fp, int mapflags) { |
395 | switch (f.kw) |
514 | int i,j,bufstate=LO_NEWFILE; |
|
|
515 | int unique; |
|
|
516 | object *op, *prev=NULL,*last_more=NULL, *otmp; |
|
|
517 | |
|
|
518 | op=get_object(); |
|
|
519 | op->map = m; /* To handle buttons correctly */ |
|
|
520 | |
|
|
521 | while((i = load_object (fp, op, bufstate, mapflags))) { |
|
|
522 | /* Since the loading of the map header does not load an object |
|
|
523 | * anymore, we need to pass LO_NEWFILE for the first object loaded, |
|
|
524 | * and then switch to LO_REPEAT for faster loading. |
|
|
525 | */ |
396 | { |
526 | bufstate = LO_REPEAT; |
397 | case KW_arch: |
|
|
398 | if (object *op = object::read (f, this)) |
|
|
399 | { |
|
|
400 | if (op->inv) |
|
|
401 | sum_weight (op); |
527 | |
402 | |
528 | /* if the archetype for the object is null, means that we |
403 | insert_ob_in_map (op, this, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD); |
529 | * got an invalid object. Don't do anything with it - the game |
404 | } |
530 | * or editor will not be able to do anything with it either. |
405 | |
531 | */ |
|
|
532 | if (op->arch==NULL) { |
|
|
533 | LOG(llevDebug,"Discarding object without arch: %s\n", op->name?op->name:"(null)"); |
|
|
534 | continue; |
406 | continue; |
535 | } |
|
|
536 | |
407 | |
537 | |
|
|
538 | switch(i) { |
|
|
539 | case LL_NORMAL: |
|
|
540 | /* if we are loading an overlay, put the floors on the bottom */ |
|
|
541 | if ((QUERY_FLAG(op, FLAG_IS_FLOOR) || |
|
|
542 | QUERY_FLAG(op, FLAG_OVERLAY_FLOOR)) && mapflags & MAP_OVERLAY) |
|
|
543 | insert_ob_in_map(op,m,op,INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY | INS_MAP_LOAD); |
|
|
544 | else |
|
|
545 | insert_ob_in_map(op,m,op,INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD); |
|
|
546 | |
|
|
547 | if (op->inv) |
|
|
548 | sum_weight(op); |
|
|
549 | |
|
|
550 | prev=op,last_more=op; |
|
|
551 | break; |
|
|
552 | |
|
|
553 | case LL_MORE: |
408 | case KW_EOF: |
554 | insert_ob_in_map(op,m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY); |
409 | return true; |
555 | op->head=prev,last_more->more=op,last_more=op; |
410 | |
|
|
411 | default: |
|
|
412 | if (!f.parse_error ("map file")) |
|
|
413 | return false; |
556 | break; |
414 | break; |
557 | } |
415 | } |
558 | if (mapflags & MAP_STYLE) { |
416 | |
559 | remove_from_active_list(op); |
417 | f.next (); |
|
|
418 | } |
|
|
419 | |
|
|
420 | return true; |
|
|
421 | } |
|
|
422 | |
|
|
423 | void |
|
|
424 | maptile::activate () |
|
|
425 | { |
|
|
426 | active = true; |
|
|
427 | |
|
|
428 | if (spaces) |
|
|
429 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
|
|
430 | for (object *op = ms->bot; op; op = op->above) |
|
|
431 | op->activate_recursive (); |
|
|
432 | } |
|
|
433 | |
|
|
434 | void |
|
|
435 | maptile::deactivate () |
|
|
436 | { |
|
|
437 | active = false; |
|
|
438 | |
|
|
439 | if (spaces) |
|
|
440 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
|
|
441 | for (object *op = ms->bot; op; op = op->above) |
|
|
442 | op->deactivate_recursive (); |
|
|
443 | } |
|
|
444 | |
|
|
445 | bool |
|
|
446 | maptile::_save_objects (object_freezer &f, int flags) |
|
|
447 | { |
|
|
448 | coroapi::cede_to_tick (); |
|
|
449 | |
|
|
450 | if (flags & IO_HEADER) |
|
|
451 | _save_header (f); |
|
|
452 | |
|
|
453 | if (!spaces) |
|
|
454 | return false; |
|
|
455 | |
|
|
456 | for (int i = 0; i < size (); ++i) |
|
|
457 | { |
|
|
458 | int unique = 0; |
|
|
459 | for (object *op = spaces [i].bot; op; op = op->above) |
|
|
460 | { |
|
|
461 | if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR]) |
|
|
462 | unique = 1; |
|
|
463 | |
|
|
464 | if (!op->can_map_save ()) |
|
|
465 | continue; |
|
|
466 | |
|
|
467 | if (unique || op->flag [FLAG_UNIQUE]) |
|
|
468 | { |
|
|
469 | if (flags & IO_UNIQUES) |
|
|
470 | op->write (f); |
|
|
471 | } |
|
|
472 | else if (flags & IO_OBJECTS) |
|
|
473 | op->write (f); |
560 | } |
474 | } |
561 | op=get_object(); |
|
|
562 | op->map = m; |
|
|
563 | } |
475 | } |
564 | for (i=0;i<m->width;i++){ |
476 | |
565 | for (j=0;j<m->height;j++){ |
477 | coroapi::cede_to_tick (); |
566 | unique =0; |
478 | |
567 | /* check for unique items, or unique squares */ |
479 | return true; |
568 | for (otmp = get_map_ob(m, i, j); otmp; otmp = otmp->above) { |
480 | } |
569 | if (QUERY_FLAG(otmp, FLAG_UNIQUE) || QUERY_FLAG(otmp, FLAG_OBJ_SAVE_ON_OVL)) |
481 | |
570 | unique = 1; |
482 | bool |
571 | if (!(mapflags & (MAP_OVERLAY|MAP_PLAYER_UNIQUE) || unique)) |
483 | maptile::_load_objects (const char *path, bool skip_header) |
572 | SET_FLAG(otmp, FLAG_OBJ_ORIGINAL); |
484 | { |
573 | } |
485 | object_thawer f (path); |
|
|
486 | |
|
|
487 | if (!f) |
|
|
488 | return false; |
|
|
489 | |
|
|
490 | f.next (); |
|
|
491 | |
|
|
492 | if (skip_header) |
|
|
493 | for (;;) |
|
|
494 | { |
|
|
495 | keyword kw = f.kw; |
|
|
496 | f.skip (); |
|
|
497 | if (kw == KW_end) |
|
|
498 | break; |
574 | } |
499 | } |
575 | } |
|
|
576 | free_object(op); |
|
|
577 | link_multipart_objects(m); |
|
|
578 | } |
|
|
579 | |
500 | |
580 | /* This saves all the objects on the map in a non destructive fashion. |
501 | return _load_objects (f); |
581 | * Modified by MSW 2001-07-01 to do in a single pass - reduces code, |
502 | } |
582 | * and we only save the head of multi part objects - this is needed |
503 | |
583 | * in order to do map tiling properly. |
504 | bool |
|
|
505 | maptile::_save_objects (const char *path, int flags) |
|
|
506 | { |
|
|
507 | object_freezer freezer; |
|
|
508 | |
|
|
509 | if (!_save_objects (freezer, flags)) |
|
|
510 | return false; |
|
|
511 | |
|
|
512 | return freezer.save (path); |
|
|
513 | } |
|
|
514 | |
|
|
515 | maptile::maptile () |
|
|
516 | { |
|
|
517 | in_memory = MAP_SWAPPED; |
|
|
518 | |
|
|
519 | /* The maps used to pick up default x and y values from the |
|
|
520 | * map archetype. Mimic that behaviour. |
584 | */ |
521 | */ |
585 | void save_objects (mapstruct *m, object_freezer &fp, object_freezer &fp2, int flag) { |
522 | width = 16; |
586 | int i, j = 0,unique=0; |
523 | height = 16; |
587 | object *op; |
524 | timeout = 300; |
588 | /* first pass - save one-part objects */ |
525 | max_nrof = 1000; // 1000 items of anything |
589 | for(i = 0; i < MAP_WIDTH(m); i++) |
526 | max_volume = 2000000; // 2m³ |
590 | for (j = 0; j < MAP_HEIGHT(m); j++) { |
527 | } |
591 | unique=0; |
|
|
592 | for(op = get_map_ob (m, i, j); op; op = op->above) { |
|
|
593 | if (QUERY_FLAG(op,FLAG_IS_FLOOR) && QUERY_FLAG(op, FLAG_UNIQUE)) |
|
|
594 | unique=1; |
|
|
595 | |
528 | |
596 | if(op->type == PLAYER) { |
529 | maptile::maptile (int w, int h) |
597 | LOG(llevDebug, "Player on map that is being saved\n"); |
530 | { |
598 | continue; |
531 | in_memory = MAP_SWAPPED; |
599 | } |
|
|
600 | |
532 | |
601 | if (op->head || op->owner) |
533 | width = w; |
602 | continue; |
534 | height = h; |
|
|
535 | reset_timeout = 0; |
|
|
536 | timeout = 300; |
|
|
537 | enter_x = 0; |
|
|
538 | enter_y = 0; |
603 | |
539 | |
604 | if (unique || QUERY_FLAG(op, FLAG_UNIQUE)) |
540 | alloc (); |
605 | save_object (fp2, op, 3); |
|
|
606 | else |
|
|
607 | if (flag == 0 || |
|
|
608 | (flag == 2 && (!QUERY_FLAG(op, FLAG_OBJ_ORIGINAL) && |
|
|
609 | !QUERY_FLAG(op, FLAG_UNPAID)))) |
|
|
610 | save_object(fp, op, 3); |
|
|
611 | |
|
|
612 | } /* for this space */ |
|
|
613 | } /* for this j */ |
|
|
614 | } |
541 | } |
615 | |
542 | |
616 | /* |
543 | /* |
617 | * Allocates, initialises, and returns a pointer to a mapstruct. |
|
|
618 | * Modified to no longer take a path option which was not being |
|
|
619 | * used anyways. MSW 2001-07-01 |
|
|
620 | */ |
|
|
621 | |
|
|
622 | mapstruct *get_linked_map(void) { |
|
|
623 | mapstruct *map=(mapstruct *) calloc(1,sizeof(mapstruct)); |
|
|
624 | mapstruct *mp; |
|
|
625 | |
|
|
626 | if(map==NULL) |
|
|
627 | fatal(OUT_OF_MEMORY); |
|
|
628 | |
|
|
629 | for(mp=first_map;mp!=NULL&&mp->next!=NULL;mp=mp->next); |
|
|
630 | if(mp==NULL) |
|
|
631 | first_map=map; |
|
|
632 | else |
|
|
633 | mp->next=map; |
|
|
634 | |
|
|
635 | map->in_memory=MAP_SWAPPED; |
|
|
636 | /* The maps used to pick up default x and y values from the |
|
|
637 | * map archetype. Mimic that behaviour. |
|
|
638 | */ |
|
|
639 | MAP_WIDTH(map)=16; |
|
|
640 | MAP_HEIGHT(map)=16; |
|
|
641 | MAP_RESET_TIMEOUT(map)=0; |
|
|
642 | MAP_TIMEOUT(map)=300; |
|
|
643 | MAP_ENTER_X(map)=0; |
|
|
644 | MAP_ENTER_Y(map)=0; |
|
|
645 | /*set part to -1 indicating conversion to weather map not yet done*/ |
|
|
646 | MAP_WORLDPARTX(map)=-1; |
|
|
647 | MAP_WORLDPARTY(map)=-1; |
|
|
648 | return map; |
|
|
649 | } |
|
|
650 | |
|
|
651 | /* |
|
|
652 | * Allocates the arrays contained in a mapstruct. |
544 | * Allocates the arrays contained in a maptile. |
653 | * This basically allocates the dynamic array of spaces for the |
545 | * This basically allocates the dynamic array of spaces for the |
654 | * map. |
546 | * map. |
655 | */ |
547 | */ |
656 | |
548 | void |
657 | void allocate_map(mapstruct *m) { |
549 | maptile::alloc () |
658 | m->in_memory = MAP_IN_MEMORY; |
550 | { |
659 | /* Log this condition and free the storage. We could I suppose |
|
|
660 | * realloc, but if the caller is presuming the data will be intact, |
|
|
661 | * that is their poor assumption. |
|
|
662 | */ |
|
|
663 | if (m->spaces) { |
551 | if (spaces) |
664 | LOG(llevError,"allocate_map called with already allocated map (%s)\n", m->path); |
|
|
665 | free(m->spaces); |
|
|
666 | } |
|
|
667 | |
|
|
668 | m->spaces = (MapSpace *) calloc(1, MAP_WIDTH(m) * MAP_HEIGHT(m) * sizeof(MapSpace)); |
|
|
669 | |
|
|
670 | if(m->spaces==NULL) |
|
|
671 | fatal(OUT_OF_MEMORY); |
|
|
672 | } |
|
|
673 | |
|
|
674 | /* Create and returns a map of the specific size. Used |
|
|
675 | * in random map code and the editor. |
|
|
676 | */ |
|
|
677 | mapstruct *get_empty_map(int sizex, int sizey) { |
|
|
678 | mapstruct *m = get_linked_map(); |
|
|
679 | m->width = sizex; |
|
|
680 | m->height = sizey; |
|
|
681 | m->in_memory = MAP_SWAPPED; |
|
|
682 | allocate_map(m); |
|
|
683 | return m; |
552 | return; |
|
|
553 | |
|
|
554 | spaces = salloc0<mapspace> (size ()); |
684 | } |
555 | } |
685 | |
556 | |
686 | /* Takes a string from a map definition and outputs a pointer to the array of shopitems |
557 | /* Takes a string from a map definition and outputs a pointer to the array of shopitems |
687 | * corresponding to that string. Memory is allocated for this, it must be freed |
558 | * corresponding to that string. Memory is allocated for this, it must be freed |
688 | * at a later date. |
559 | * at a later date. |
689 | * Called by parse_map_headers below. |
560 | * Called by parse_map_headers below. |
690 | */ |
561 | */ |
691 | |
562 | static shopitems * |
692 | static shopitems *parse_shop_string (const char *input_string) { |
563 | parse_shop_string (const char *input_string) |
|
|
564 | { |
693 | char *shop_string, *p, *q, *next_semicolon, *next_colon; |
565 | char *shop_string, *p, *q, *next_semicolon, *next_colon; |
694 | shopitems *items=NULL; |
566 | shopitems *items = NULL; |
695 | int i=0, number_of_entries=0; |
567 | int i = 0, number_of_entries = 0; |
696 | const typedata *current_type; |
568 | const typedata *current_type; |
697 | |
569 | |
698 | shop_string=strdup_local(input_string); |
570 | shop_string = strdup (input_string); |
699 | p=shop_string; |
571 | p = shop_string; |
700 | /* first we'll count the entries, we'll need that for allocating the array shortly */ |
572 | /* first we'll count the entries, we'll need that for allocating the array shortly */ |
701 | while (p) { |
573 | while (p) |
|
|
574 | { |
702 | p=strchr(p, ';'); |
575 | p = strchr (p, ';'); |
703 | number_of_entries++; |
576 | number_of_entries++; |
704 | if (p) p++; |
577 | if (p) |
|
|
578 | p++; |
705 | } |
579 | } |
|
|
580 | |
706 | p=shop_string; |
581 | p = shop_string; |
707 | strip_endline(p); |
582 | strip_endline (p); |
708 | items=(shopitems *) CALLOC(number_of_entries+1, sizeof(shopitems)); |
583 | items = new shopitems[number_of_entries + 1]; |
709 | memset(items, 0, (sizeof(shopitems) * number_of_entries+1)); |
|
|
710 | for (i=0; i<number_of_entries; i++) { |
584 | for (i = 0; i < number_of_entries; i++) |
|
|
585 | { |
711 | if (!p) { |
586 | if (!p) |
|
|
587 | { |
712 | LOG(llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n"); |
588 | LOG (llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n"); |
713 | break; |
589 | break; |
714 | } |
590 | } |
|
|
591 | |
715 | next_semicolon=strchr(p, ';'); |
592 | next_semicolon = strchr (p, ';'); |
716 | next_colon=strchr(p, ':'); |
593 | next_colon = strchr (p, ':'); |
717 | /* if there is a stregth specified, figure out what it is, we'll need it soon. */ |
594 | /* if there is a stregth specified, figure out what it is, we'll need it soon. */ |
718 | if (next_colon &&( !next_semicolon || next_colon<next_semicolon)) |
595 | if (next_colon && (!next_semicolon || next_colon < next_semicolon)) |
719 | items[i].strength=atoi(strchr(p,':')+1); |
596 | items[i].strength = atoi (strchr (p, ':') + 1); |
|
|
597 | |
|
|
598 | if (isdigit (*p) || *p == '*') |
720 | |
599 | { |
721 | if (isdigit(*p) || *p=='*') { |
|
|
722 | items[i].typenum = atoi(p); /* atoi returns 0 when we have an asterisk */ |
600 | items[i].typenum = atoi (p); /* atoi returns 0 when we have an asterisk */ |
723 | current_type=get_typedata(items[i].typenum); |
601 | current_type = get_typedata (items[i].typenum); |
724 | if (current_type) { |
602 | if (current_type) |
|
|
603 | { |
725 | items[i].name=current_type->name; |
604 | items[i].name = current_type->name; |
726 | items[i].name_pl=current_type->name_pl; |
605 | items[i].name_pl = current_type->name_pl; |
727 | } |
|
|
728 | } |
|
|
729 | else { /*we have a named type, let's figure out what it is */ |
|
|
730 | q=strpbrk(p,";:"); |
|
|
731 | if (q) *q='\0'; |
|
|
732 | |
|
|
733 | current_type=get_typedata_by_name(p); |
|
|
734 | if (current_type) { |
|
|
735 | items[i].name=current_type->name; |
|
|
736 | items[i].typenum=current_type->number; |
|
|
737 | items[i].name_pl=current_type->name_pl; |
|
|
738 | } |
|
|
739 | else { /* oh uh, something's wrong, let's free up this one, and try |
|
|
740 | * the next entry while we're at it, better print a warning |
|
|
741 | */ |
|
|
742 | LOG(llevError, "invalid type %s defined in shopitems in string %s\n", |
|
|
743 | p, input_string); |
|
|
744 | } |
606 | } |
745 | } |
607 | } |
|
|
608 | else |
|
|
609 | { /*we have a named type, let's figure out what it is */ |
|
|
610 | q = strpbrk (p, ";:"); |
|
|
611 | if (q) |
|
|
612 | *q = '\0'; |
|
|
613 | |
|
|
614 | current_type = get_typedata_by_name (p); |
|
|
615 | if (current_type) |
|
|
616 | { |
|
|
617 | items[i].name = current_type->name; |
|
|
618 | items[i].typenum = current_type->number; |
|
|
619 | items[i].name_pl = current_type->name_pl; |
|
|
620 | } |
|
|
621 | else |
|
|
622 | { /* oh uh, something's wrong, let's free up this one, and try |
|
|
623 | * the next entry while we're at it, better print a warning |
|
|
624 | */ |
|
|
625 | LOG (llevError, "invalid type %s defined in shopitems in string %s\n", p, input_string); |
|
|
626 | } |
|
|
627 | } |
|
|
628 | |
746 | items[i].index=number_of_entries; |
629 | items[i].index = number_of_entries; |
747 | if (next_semicolon) p=++next_semicolon; |
630 | if (next_semicolon) |
|
|
631 | p = ++next_semicolon; |
|
|
632 | else |
748 | else p=NULL; |
633 | p = NULL; |
749 | } |
634 | } |
|
|
635 | |
750 | free(shop_string); |
636 | free (shop_string); |
751 | return items; |
637 | return items; |
752 | } |
638 | } |
753 | |
639 | |
754 | /* opposite of parse string, this puts the string that was originally fed in to |
640 | /* opposite of parse string, this puts the string that was originally fed in to |
755 | * the map (or something equivilent) into output_string. */ |
641 | * the map (or something equivilent) into output_string. */ |
|
|
642 | static void |
756 | static void print_shop_string(mapstruct *m, char *output_string) { |
643 | print_shop_string (maptile *m, char *output_string) |
|
|
644 | { |
757 | int i; |
645 | int i; |
758 | char tmp[MAX_BUF]; |
646 | char tmp[MAX_BUF]; |
|
|
647 | |
759 | strcpy(output_string, ""); |
648 | strcpy (output_string, ""); |
760 | for (i=0; i< m->shopitems[0].index; i++) { |
649 | for (i = 0; i < m->shopitems[0].index; i++) |
|
|
650 | { |
761 | if (m->shopitems[i].typenum) { |
651 | if (m->shopitems[i].typenum) |
|
|
652 | { |
762 | if (m->shopitems[i].strength) { |
653 | if (m->shopitems[i].strength) |
763 | sprintf(tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength); |
654 | sprintf (tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength); |
764 | } |
655 | else |
765 | else sprintf(tmp, "%s;", m->shopitems[i].name); |
656 | sprintf (tmp, "%s;", m->shopitems[i].name); |
766 | } |
657 | } |
767 | else { |
658 | else |
|
|
659 | { |
768 | if (m->shopitems[i].strength) { |
660 | if (m->shopitems[i].strength) |
769 | sprintf(tmp, "*:%d;", m->shopitems[i].strength); |
661 | sprintf (tmp, "*:%d;", m->shopitems[i].strength); |
770 | } |
662 | else |
771 | else sprintf(tmp, "*"); |
663 | sprintf (tmp, "*"); |
772 | } |
664 | } |
|
|
665 | |
773 | strcat(output_string, tmp); |
666 | strcat (output_string, tmp); |
774 | } |
667 | } |
775 | } |
668 | } |
776 | |
669 | |
777 | /* This loads the header information of the map. The header |
670 | /* This loads the header information of the map. The header |
778 | * contains things like difficulty, size, timeout, etc. |
671 | * contains things like difficulty, size, timeout, etc. |
… | |
… | |
782 | * put all the stuff in the map object so that names actually make |
675 | * put all the stuff in the map object so that names actually make |
783 | * sense. |
676 | * sense. |
784 | * This could be done in lex (like the object loader), but I think |
677 | * This could be done in lex (like the object loader), but I think |
785 | * currently, there are few enough fields this is not a big deal. |
678 | * currently, there are few enough fields this is not a big deal. |
786 | * MSW 2001-07-01 |
679 | * MSW 2001-07-01 |
787 | * return 0 on success, 1 on failure. |
|
|
788 | */ |
680 | */ |
789 | |
681 | bool |
790 | static int load_map_header(object_thawer &fp, mapstruct *m) |
682 | maptile::_load_header (object_thawer &thawer) |
791 | { |
683 | { |
792 | char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key=NULL, *value, *end; |
684 | for (;;) |
793 | int msgpos=0; |
685 | { |
794 | int maplorepos=0; |
686 | thawer.next (); |
795 | |
687 | |
796 | while (fgets(buf, HUGE_BUF-1, fp)!=NULL) { |
688 | switch (thawer.kw) |
797 | buf[HUGE_BUF-1] = 0; |
|
|
798 | key = buf; |
|
|
799 | while (isspace(*key)) key++; |
|
|
800 | if (*key == 0) continue; /* empty line */ |
|
|
801 | value = strchr(key, ' '); |
|
|
802 | if (!value) { |
|
|
803 | end = strchr(key, '\n'); |
|
|
804 | if (end != NULL) { |
|
|
805 | *end = 0; |
|
|
806 | } |
|
|
807 | } else { |
|
|
808 | *value = 0; |
|
|
809 | value++; |
|
|
810 | end = strchr(value, '\n'); |
|
|
811 | while (isspace(*value)) { |
|
|
812 | value++; |
|
|
813 | if (*value == '\0' || value == end) { |
|
|
814 | /* Nothing but spaces. */ |
|
|
815 | value = NULL; |
|
|
816 | break; |
|
|
817 | } |
|
|
818 | } |
|
|
819 | } |
689 | { |
820 | if (!end) { |
690 | case KW_msg: |
821 | LOG(llevError, "Error loading map header - did not find a newline - perhaps file is truncated? Buf=%s\n", |
691 | thawer.get_ml (KW_endmsg, msg); |
822 | buf); |
692 | break; |
|
|
693 | |
|
|
694 | case KW_lore: // CF+ extension |
|
|
695 | thawer.get_ml (KW_endlore, maplore); |
|
|
696 | break; |
|
|
697 | |
|
|
698 | case KW_maplore: |
|
|
699 | thawer.get_ml (KW_endmaplore, maplore); |
|
|
700 | break; |
|
|
701 | |
|
|
702 | case KW_arch: |
|
|
703 | if (strcmp (thawer.get_str (), "map")) |
|
|
704 | LOG (llevError, "%s: loading map and got a non 'arch map' line (arch %s), skipping.\n", &path, thawer.get_str ()); |
|
|
705 | break; |
|
|
706 | |
|
|
707 | case KW_oid: |
|
|
708 | thawer.get (this, thawer.get_sint32 ()); |
|
|
709 | break; |
|
|
710 | |
|
|
711 | case KW_file_format_version: break; // nop |
|
|
712 | |
|
|
713 | case KW_name: thawer.get (name); break; |
|
|
714 | case KW_attach: thawer.get (attach); break; |
|
|
715 | case KW_reset_time: thawer.get (reset_time); break; |
|
|
716 | case KW_shopgreed: thawer.get (shopgreed); break; |
|
|
717 | case KW_shopmin: thawer.get (shopmin); break; |
|
|
718 | case KW_shopmax: thawer.get (shopmax); break; |
|
|
719 | case KW_shoprace: thawer.get (shoprace); break; |
|
|
720 | case KW_outdoor: thawer.get (outdoor); break; |
|
|
721 | case KW_temp: thawer.get (temp); break; |
|
|
722 | case KW_pressure: thawer.get (pressure); break; |
|
|
723 | case KW_humid: thawer.get (humid); break; |
|
|
724 | case KW_windspeed: thawer.get (windspeed); break; |
|
|
725 | case KW_winddir: thawer.get (winddir); break; |
|
|
726 | case KW_sky: thawer.get (sky); break; |
|
|
727 | |
|
|
728 | case KW_per_player: thawer.get (per_player); break; |
|
|
729 | case KW_per_party: thawer.get (per_party); break; |
|
|
730 | case KW_no_reset: thawer.get (no_reset); break; |
|
|
731 | |
|
|
732 | case KW_region: default_region = region::find (thawer.get_str ()); break; |
|
|
733 | case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break; |
|
|
734 | |
|
|
735 | // old names new names |
|
|
736 | case KW_hp: case KW_enter_x: thawer.get (enter_x); break; |
|
|
737 | case KW_sp: case KW_enter_y: thawer.get (enter_y); break; |
|
|
738 | case KW_x: case KW_width: thawer.get (width); break; |
|
|
739 | case KW_y: case KW_height: thawer.get (height); break; |
|
|
740 | case KW_weight: case KW_reset_timeout: thawer.get (reset_timeout); break; |
|
|
741 | case KW_value: case KW_swap_time: thawer.get (timeout); break; |
|
|
742 | case KW_level: case KW_difficulty: thawer.get (difficulty); difficulty = clamp (difficulty, 1, settings.max_level); break; |
|
|
743 | case KW_invisible: case KW_darkness: thawer.get (darkness); break; |
|
|
744 | case KW_stand_still: case KW_fixed_resettime: thawer.get (fixed_resettime); break; |
|
|
745 | |
|
|
746 | case KW_tile_path_1: thawer.get (tile_path [0]); break; |
|
|
747 | case KW_tile_path_2: thawer.get (tile_path [1]); break; |
|
|
748 | case KW_tile_path_3: thawer.get (tile_path [2]); break; |
|
|
749 | case KW_tile_path_4: thawer.get (tile_path [3]); break; |
|
|
750 | |
|
|
751 | case KW_end: |
823 | return 1; |
752 | return true; |
824 | } |
|
|
825 | |
|
|
826 | |
753 | |
827 | /* key is the field name, value is what it should be set |
754 | default: |
828 | * to. We've already done the work to null terminate key, |
755 | if (!thawer.parse_error ("map", 0)) |
829 | * and strip off any leading spaces for both of these. |
756 | return false; |
830 | * We have not touched the newline at the end of the line - |
|
|
831 | * these are needed for some values. the end pointer |
|
|
832 | * points to the first of the newlines. |
|
|
833 | * value could be NULL! It would be easy enough to just point |
|
|
834 | * this to "" to prevent cores, but that would let more errors slide |
|
|
835 | * through. |
|
|
836 | * |
|
|
837 | * First check for entries that do not use the value parameter, then |
|
|
838 | * validate that value is given and check for the remaining entries |
|
|
839 | * that use the parameter. |
|
|
840 | */ |
|
|
841 | |
|
|
842 | if (!strcmp(key,"msg")) { |
|
|
843 | while (fgets(buf, HUGE_BUF-1, fp)!=NULL) { |
|
|
844 | if (!strcmp(buf,"endmsg\n")) break; |
|
|
845 | else { |
|
|
846 | /* slightly more efficient than strcat */ |
|
|
847 | strcpy(msgbuf+msgpos, buf); |
|
|
848 | msgpos += strlen(buf); |
|
|
849 | } |
|
|
850 | } |
|
|
851 | /* There are lots of maps that have empty messages (eg, msg/endmsg |
|
|
852 | * with nothing between). There is no reason in those cases to |
|
|
853 | * keep the empty message. Also, msgbuf contains garbage data |
|
|
854 | * when msgpos is zero, so copying it results in crashes |
|
|
855 | */ |
|
|
856 | if (msgpos != 0) |
|
|
857 | m->msg = strdup_local(msgbuf); |
|
|
858 | } |
|
|
859 | else if (!strcmp(key,"maplore")) { |
|
|
860 | while (fgets(buf, HUGE_BUF-1, fp)!=NULL) { |
|
|
861 | if (!strcmp(buf,"endmaplore\n")) break; |
|
|
862 | else { |
|
|
863 | /* slightly more efficient than strcat */ |
|
|
864 | strcpy(maplorebuf+maplorepos, buf); |
|
|
865 | maplorepos += strlen(buf); |
|
|
866 | } |
|
|
867 | } |
|
|
868 | if (maplorepos != 0) |
|
|
869 | m->maplore = strdup_local(maplorebuf); |
|
|
870 | } |
|
|
871 | else if (!strcmp(key,"end")) { |
|
|
872 | break; |
757 | break; |
873 | } |
758 | } |
874 | else if (value == NULL) { |
|
|
875 | LOG(llevError, "Got '%s' line without parameter in map header\n", key); |
|
|
876 | } |
|
|
877 | else if (!strcmp(key, "arch")) { |
|
|
878 | /* This is an oddity, but not something we care about much. */ |
|
|
879 | if (strcmp(value,"map\n")) |
|
|
880 | LOG(llevError,"loading map and got a non 'arch map' line(%s %s)?\n",key,value); |
|
|
881 | } |
|
|
882 | else if (!strcmp(key,"name")) { |
|
|
883 | *end=0; |
|
|
884 | m->name = strdup_local(value); |
|
|
885 | } |
|
|
886 | /* first strcmp value on these are old names supported |
|
|
887 | * for compatibility reasons. The new values (second) are |
|
|
888 | * what really should be used. |
|
|
889 | */ |
|
|
890 | else if (!strcmp(key,"oid")) { |
|
|
891 | fp.get (m, atoi(value)); |
|
|
892 | } else if (!strcmp(key, "attach")) { |
|
|
893 | m->attach = add_string (value); |
|
|
894 | } else if (!strcmp(key,"hp") || !strcmp(key, "enter_x")) { |
|
|
895 | m->enter_x = atoi(value); |
|
|
896 | } else if (!strcmp(key,"sp") || !strcmp(key, "enter_y")) { |
|
|
897 | m->enter_y = atoi(value); |
|
|
898 | } else if (!strcmp(key,"x") || !strcmp(key, "width")) { |
|
|
899 | m->width = atoi(value); |
|
|
900 | } else if (!strcmp(key,"y") || !strcmp(key, "height")) { |
|
|
901 | m->height = atoi(value); |
|
|
902 | } else if (!strcmp(key,"weight") || !strcmp(key, "reset_timeout")) { |
|
|
903 | m->reset_timeout = atoi(value); |
|
|
904 | } else if (!strcmp(key,"value") || !strcmp(key, "swap_time")) { |
|
|
905 | m->timeout = atoi(value); |
|
|
906 | } else if (!strcmp(key,"level") || !strcmp(key, "difficulty")) { |
|
|
907 | m->difficulty = atoi(value); |
|
|
908 | } else if (!strcmp(key,"invisible") || !strcmp(key, "darkness")) { |
|
|
909 | m->darkness = atoi(value); |
|
|
910 | } else if (!strcmp(key,"stand_still") || !strcmp(key, "fixed_resettime")) { |
|
|
911 | m->fixed_resettime = atoi(value); |
|
|
912 | } else if (!strcmp(key,"unique")) { |
|
|
913 | m->unique = atoi(value); |
|
|
914 | } else if (!strcmp(key,"template")) { |
|
|
915 | m->templatemap = atoi(value); |
|
|
916 | } else if (!strcmp(key,"region")) { |
|
|
917 | m->region = get_region_by_name(value); |
|
|
918 | } else if (!strcmp(key,"shopitems")) { |
|
|
919 | *end=0; |
|
|
920 | m->shopitems = parse_shop_string(value); |
|
|
921 | } else if (!strcmp(key,"shopgreed")) { |
|
|
922 | m->shopgreed = atof(value); |
|
|
923 | } else if (!strcmp(key,"shopmin")) { |
|
|
924 | m->shopmin = atol(value); |
|
|
925 | } else if (!strcmp(key,"shopmax")) { |
|
|
926 | m->shopmax = atol(value); |
|
|
927 | } else if (!strcmp(key,"shoprace")) { |
|
|
928 | *end=0; |
|
|
929 | m->shoprace = strdup_local(value); |
|
|
930 | } else if (!strcmp(key,"outdoor")) { |
|
|
931 | m->outdoor = atoi(value); |
|
|
932 | } else if (!strcmp(key, "temp")) { |
|
|
933 | m->temp = atoi(value); |
|
|
934 | } else if (!strcmp(key, "pressure")) { |
|
|
935 | m->pressure = atoi(value); |
|
|
936 | } else if (!strcmp(key, "humid")) { |
|
|
937 | m->humid = atoi(value); |
|
|
938 | } else if (!strcmp(key, "windspeed")) { |
|
|
939 | m->windspeed = atoi(value); |
|
|
940 | } else if (!strcmp(key, "winddir")) { |
|
|
941 | m->winddir = atoi(value); |
|
|
942 | } else if (!strcmp(key, "sky")) { |
|
|
943 | m->sky = atoi(value); |
|
|
944 | } else if (!strcmp(key, "nosmooth")) { |
|
|
945 | m->nosmooth = atoi(value); |
|
|
946 | } |
|
|
947 | else if (!strncmp(key,"tile_path_", 10)) { |
|
|
948 | int tile=atoi(key+10); |
|
|
949 | |
|
|
950 | if (tile<1 || tile>4) { |
|
|
951 | LOG(llevError,"load_map_header: tile location %d out of bounds (%s)\n", |
|
|
952 | tile, m->path); |
|
|
953 | } else { |
|
|
954 | char *path; |
|
|
955 | |
|
|
956 | *end = 0; |
|
|
957 | |
|
|
958 | if (m->tile_path[tile-1]) { |
|
|
959 | LOG(llevError,"load_map_header: tile location %d duplicated (%s)\n", |
|
|
960 | tile, m->path); |
|
|
961 | free(m->tile_path[tile-1]); |
|
|
962 | m->tile_path[tile-1] = NULL; |
|
|
963 | } |
|
|
964 | |
|
|
965 | if (check_path(value, 1) != -1) { |
|
|
966 | /* The unadorned path works. */ |
|
|
967 | path = value; |
|
|
968 | } else { |
|
|
969 | /* Try again; it could be a relative exit. */ |
|
|
970 | |
|
|
971 | path = path_combine_and_normalize(m->path, value); |
|
|
972 | |
|
|
973 | if (check_path(path, 1) == -1) { |
|
|
974 | LOG(llevError, "get_map_header: Bad tile path %s %s\n", m->path, value); |
|
|
975 | path = NULL; |
|
|
976 | } |
|
|
977 | } |
|
|
978 | |
|
|
979 | if (editor) { |
|
|
980 | /* Use the value as in the file. */ |
|
|
981 | m->tile_path[tile-1] = strdup_local(value); |
|
|
982 | } else if (path != NULL) { |
|
|
983 | /* Use the normalized value. */ |
|
|
984 | m->tile_path[tile-1] = strdup_local(path); |
|
|
985 | } |
|
|
986 | } /* end if tile direction (in)valid */ |
|
|
987 | } |
|
|
988 | else { |
|
|
989 | LOG(llevError,"Got unknown value in map header: %s %s\n", key, value); |
|
|
990 | } |
|
|
991 | } |
|
|
992 | if (!key || strcmp(key,"end")) { |
|
|
993 | LOG(llevError,"Got premature eof on map header!\n"); |
|
|
994 | return 1; |
|
|
995 | } |
|
|
996 | return 0; |
|
|
997 | } |
|
|
998 | |
|
|
999 | /* |
|
|
1000 | * Opens the file "filename" and reads information about the map |
|
|
1001 | * from the given file, and stores it in a newly allocated |
|
|
1002 | * mapstruct. A pointer to this structure is returned, or NULL on failure. |
|
|
1003 | * flags correspond to those in map.h. Main ones used are |
|
|
1004 | * MAP_PLAYER_UNIQUE, in which case we don't do any name changes, and |
|
|
1005 | * MAP_BLOCK, in which case we block on this load. This happens in all |
|
|
1006 | * cases, no matter if this flag is set or not. |
|
|
1007 | * MAP_STYLE: style map - don't add active objects, don't add to server |
|
|
1008 | * managed map list. |
|
|
1009 | */ |
|
|
1010 | |
|
|
1011 | mapstruct *load_original_map(const char *filename, int flags) { |
|
|
1012 | mapstruct *m; |
|
|
1013 | char pathname[MAX_BUF]; |
|
|
1014 | |
759 | } |
1015 | LOG(llevDebug, "load_original_map: %s (%x)\n", filename,flags); |
|
|
1016 | if (flags & MAP_PLAYER_UNIQUE) |
|
|
1017 | strcpy(pathname, filename); |
|
|
1018 | else if (flags & MAP_OVERLAY) |
|
|
1019 | strcpy(pathname, create_overlay_pathname(filename)); |
|
|
1020 | else |
|
|
1021 | strcpy(pathname, create_pathname(filename)); |
|
|
1022 | |
760 | |
|
|
761 | abort (); |
|
|
762 | } |
|
|
763 | |
|
|
764 | bool |
|
|
765 | maptile::_load_header (const char *path) |
|
|
766 | { |
1023 | object_thawer thawer (pathname); |
767 | object_thawer thawer (path); |
1024 | |
768 | |
1025 | if (!thawer) |
769 | if (!thawer) |
1026 | return 0; |
|
|
1027 | |
|
|
1028 | m = get_linked_map(); |
|
|
1029 | |
|
|
1030 | strcpy (m->path, filename); |
|
|
1031 | if (load_map_header(thawer, m)) { |
|
|
1032 | LOG(llevError,"Error loading map header for %s, flags=%d\n", |
|
|
1033 | filename, flags); |
|
|
1034 | delete_map(m); |
|
|
1035 | return NULL; |
|
|
1036 | } |
|
|
1037 | |
|
|
1038 | allocate_map(m); |
|
|
1039 | |
|
|
1040 | m->in_memory=MAP_LOADING; |
|
|
1041 | load_objects (m, thawer, flags & (MAP_BLOCK|MAP_STYLE)); |
|
|
1042 | |
|
|
1043 | m->in_memory=MAP_IN_MEMORY; |
|
|
1044 | if (!MAP_DIFFICULTY(m)) |
|
|
1045 | MAP_DIFFICULTY(m)=calculate_difficulty(m); |
|
|
1046 | set_map_reset_time(m); |
|
|
1047 | m->instantiate (); |
|
|
1048 | return (m); |
|
|
1049 | } |
|
|
1050 | |
|
|
1051 | /* |
|
|
1052 | * Loads a map, which has been loaded earlier, from file. |
|
|
1053 | * Return the map object we load into (this can change from the passed |
|
|
1054 | * option if we can't find the original map) |
|
|
1055 | */ |
|
|
1056 | |
|
|
1057 | static mapstruct *load_temporary_map(mapstruct *m) { |
|
|
1058 | int comp; |
|
|
1059 | char buf[MAX_BUF]; |
|
|
1060 | |
|
|
1061 | if (!m->tmpname) { |
|
|
1062 | LOG(llevError, "No temporary filename for map %s\n", m->path); |
|
|
1063 | strcpy(buf, m->path); |
|
|
1064 | delete_map(m); |
|
|
1065 | m = load_original_map(buf, 0); |
|
|
1066 | if(m==NULL) return NULL; |
|
|
1067 | fix_auto_apply(m); /* Chests which open as default */ |
|
|
1068 | return m; |
|
|
1069 | } |
|
|
1070 | |
|
|
1071 | object_thawer thawer (m->tmpname); |
|
|
1072 | |
|
|
1073 | if (!thawer) |
|
|
1074 | { |
|
|
1075 | strcpy (buf, m->path); |
|
|
1076 | delete_map (m); |
|
|
1077 | m = load_original_map (buf, 0); |
|
|
1078 | if (!m) return NULL; |
|
|
1079 | fix_auto_apply (m); /* Chests which open as default */ |
|
|
1080 | return m; |
|
|
1081 | } |
|
|
1082 | |
|
|
1083 | if (load_map_header(thawer, m)) { |
|
|
1084 | LOG(llevError,"Error loading map header for %s (%s)\n", |
|
|
1085 | m->path, m->tmpname); |
|
|
1086 | delete_map(m); |
|
|
1087 | m = load_original_map(m->path, 0); |
|
|
1088 | return NULL; |
|
|
1089 | } |
|
|
1090 | allocate_map(m); |
|
|
1091 | |
|
|
1092 | m->in_memory=MAP_LOADING; |
|
|
1093 | load_objects (m, thawer, 0); |
|
|
1094 | |
|
|
1095 | m->in_memory=MAP_IN_MEMORY; |
|
|
1096 | INVOKE_MAP (SWAPIN, m); |
|
|
1097 | return m; |
770 | return false; |
1098 | } |
|
|
1099 | |
771 | |
1100 | /* |
772 | return _load_header (thawer); |
1101 | * Loads a map, which has been loaded earlier, from file. |
|
|
1102 | * Return the map object we load into (this can change from the passed |
|
|
1103 | * option if we can't find the original map) |
|
|
1104 | */ |
|
|
1105 | |
|
|
1106 | mapstruct *load_overlay_map(const char *filename, mapstruct *m) { |
|
|
1107 | char pathname[MAX_BUF]; |
|
|
1108 | |
|
|
1109 | strcpy(pathname, create_overlay_pathname(filename)); |
|
|
1110 | |
|
|
1111 | object_thawer thawer (pathname); |
|
|
1112 | |
|
|
1113 | if (!thawer) |
|
|
1114 | return m; |
|
|
1115 | |
|
|
1116 | if (load_map_header(thawer, m)) { |
|
|
1117 | LOG(llevError,"Error loading map header for overlay %s (%s)\n", |
|
|
1118 | m->path, pathname); |
|
|
1119 | delete_map(m); |
|
|
1120 | m = load_original_map(m->path, 0); |
|
|
1121 | return NULL; |
|
|
1122 | } |
|
|
1123 | /*allocate_map(m);*/ |
|
|
1124 | |
|
|
1125 | m->in_memory=MAP_LOADING; |
|
|
1126 | load_objects (m, thawer, MAP_OVERLAY); |
|
|
1127 | |
|
|
1128 | m->in_memory=MAP_IN_MEMORY; |
|
|
1129 | return m; |
|
|
1130 | } |
773 | } |
1131 | |
774 | |
1132 | /****************************************************************************** |
775 | /****************************************************************************** |
1133 | * This is the start of unique map handling code |
776 | * This is the start of unique map handling code |
1134 | *****************************************************************************/ |
777 | *****************************************************************************/ |
1135 | |
778 | |
1136 | /* This goes through map 'm' and removed any unique items on the map. */ |
779 | /* This goes through the maptile and removed any unique items on the map. */ |
1137 | static void delete_unique_items(mapstruct *m) |
780 | void |
|
|
781 | maptile::clear_unique_items () |
1138 | { |
782 | { |
1139 | int i,j,unique; |
783 | for (int i = 0; i < size (); ++i) |
1140 | object *op, *next; |
784 | { |
1141 | |
|
|
1142 | for(i=0; i<MAP_WIDTH(m); i++) |
|
|
1143 | for(j=0; j<MAP_HEIGHT(m); j++) { |
|
|
1144 | unique=0; |
785 | int unique = 0; |
1145 | for (op=get_map_ob(m, i, j); op; op=next) { |
786 | for (object *op = spaces [i].bot; op; ) |
1146 | next = op->above; |
787 | { |
|
|
788 | object *above = op->above; |
|
|
789 | |
1147 | if (QUERY_FLAG(op, FLAG_IS_FLOOR) && QUERY_FLAG(op, FLAG_UNIQUE)) |
790 | if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) |
1148 | unique=1; |
791 | unique = 1; |
|
|
792 | |
1149 | if(op->head == NULL && (QUERY_FLAG(op, FLAG_UNIQUE) || unique)) { |
793 | if (op->head_ () == op && (QUERY_FLAG (op, FLAG_UNIQUE) || unique)) |
1150 | clean_object(op); |
|
|
1151 | if (QUERY_FLAG(op, FLAG_IS_LINKED)) |
|
|
1152 | remove_button_link(op); |
|
|
1153 | remove_ob(op); |
|
|
1154 | free_object(op); |
|
|
1155 | } |
794 | { |
|
|
795 | op->destroy_inv (false); |
|
|
796 | op->destroy (); |
1156 | } |
797 | } |
|
|
798 | |
|
|
799 | op = above; |
1157 | } |
800 | } |
1158 | } |
|
|
1159 | |
|
|
1160 | |
|
|
1161 | /* |
|
|
1162 | * Loads unique objects from file(s) into the map which is in memory |
|
|
1163 | * m is the map to load unique items into. |
|
|
1164 | */ |
|
|
1165 | static void load_unique_objects(mapstruct *m) { |
|
|
1166 | int count; |
|
|
1167 | char firstname[MAX_BUF]; |
|
|
1168 | |
|
|
1169 | for (count=0; count<10; count++) { |
|
|
1170 | sprintf(firstname, "%s.v%02d", create_items_path(m->path), count); |
|
|
1171 | if (!access(firstname, R_OK)) break; |
|
|
1172 | } |
|
|
1173 | /* If we get here, we did not find any map */ |
|
|
1174 | if (count==10) return; |
|
|
1175 | |
|
|
1176 | object_thawer thawer (firstname); |
|
|
1177 | |
|
|
1178 | if (!thawer) |
|
|
1179 | return; |
|
|
1180 | |
|
|
1181 | m->in_memory=MAP_LOADING; |
|
|
1182 | if (m->tmpname == NULL) /* if we have loaded unique items from */ |
|
|
1183 | delete_unique_items(m); /* original map before, don't duplicate them */ |
|
|
1184 | load_object(thawer, NULL, LO_NOREAD,0); |
|
|
1185 | load_objects (m, thawer, 0); |
|
|
1186 | |
|
|
1187 | m->in_memory=MAP_IN_MEMORY; |
|
|
1188 | } |
|
|
1189 | |
|
|
1190 | |
|
|
1191 | /* |
|
|
1192 | * Saves a map to file. If flag is set, it is saved into the same |
|
|
1193 | * file it was (originally) loaded from. Otherwise a temporary |
|
|
1194 | * filename will be genarated, and the file will be stored there. |
|
|
1195 | * The temporary filename will be stored in the mapstructure. |
|
|
1196 | * If the map is unique, we also save to the filename in the map |
|
|
1197 | * (this should have been updated when first loaded) |
|
|
1198 | */ |
|
|
1199 | |
|
|
1200 | int |
|
|
1201 | new_save_map (mapstruct * m, int flag) |
|
|
1202 | { |
|
|
1203 | char filename[MAX_BUF], buf[MAX_BUF], buf_s[MAX_BUF], shop[MAX_BUF]; |
|
|
1204 | int i; |
|
|
1205 | |
|
|
1206 | if (flag && !*m->path) |
|
|
1207 | { |
801 | } |
1208 | LOG (llevError, "Tried to save map without path.\n"); |
802 | } |
1209 | return -1; |
|
|
1210 | } |
|
|
1211 | |
803 | |
1212 | if (flag || (m->unique) || (m->templatemap)) |
804 | bool |
1213 | { |
805 | maptile::_save_header (object_freezer &freezer) |
1214 | if (!m->unique && !m->templatemap) |
806 | { |
1215 | { /* flag is set */ |
807 | #define MAP_OUT(k) freezer.put (KW_ ## k, k) |
1216 | if (flag == 2) |
808 | #define MAP_OUT2(k,v) freezer.put (KW_ ## k, v) |
1217 | strcpy (filename, create_overlay_pathname (m->path)); |
|
|
1218 | else |
|
|
1219 | strcpy (filename, create_pathname (m->path)); |
|
|
1220 | } |
|
|
1221 | else |
|
|
1222 | strcpy (filename, m->path); |
|
|
1223 | |
809 | |
1224 | make_path_to_file (filename); |
810 | MAP_OUT2 (arch, "map"); |
1225 | } |
|
|
1226 | else |
|
|
1227 | { |
|
|
1228 | if (!m->tmpname) |
|
|
1229 | m->tmpname = tempnam_local (settings.tmpdir, NULL); |
|
|
1230 | strcpy (filename, m->tmpname); |
|
|
1231 | } |
|
|
1232 | |
811 | |
1233 | LOG (llevDebug, "Saving map %s to %s\n", m->path, filename); |
812 | if (name) MAP_OUT (name); |
1234 | m->in_memory = MAP_SAVING; |
813 | MAP_OUT (swap_time); |
1235 | |
814 | MAP_OUT (reset_time); |
1236 | object_freezer fp (filename); |
815 | MAP_OUT (reset_timeout); |
1237 | |
|
|
1238 | /* legacy */ |
|
|
1239 | fprintf (fp, "arch map\n"); |
|
|
1240 | if (m->name) |
|
|
1241 | fprintf (fp, "name %s\n", m->name); |
|
|
1242 | if (!flag) |
|
|
1243 | fprintf (fp, "swap_time %d\n", m->swap_time); |
|
|
1244 | if (m->reset_timeout) |
|
|
1245 | fprintf (fp, "reset_timeout %d\n", m->reset_timeout); |
|
|
1246 | if (m->fixed_resettime) |
816 | MAP_OUT (fixed_resettime); |
1247 | fprintf (fp, "fixed_resettime %d\n", m->fixed_resettime); |
817 | MAP_OUT (no_reset); |
1248 | /* we unfortunately have no idea if this is a value the creator set |
818 | MAP_OUT (difficulty); |
1249 | * or a difficulty value we generated when the map was first loaded |
819 | |
1250 | */ |
820 | if (default_region) MAP_OUT2 (region, default_region->name); |
1251 | if (m->difficulty) |
821 | |
1252 | fprintf (fp, "difficulty %d\n", m->difficulty); |
|
|
1253 | if (m->region) |
|
|
1254 | fprintf (fp, "region %s\n", m->region->name); |
|
|
1255 | if (m->shopitems) |
822 | if (shopitems) |
1256 | { |
823 | { |
|
|
824 | char shop[MAX_BUF]; |
1257 | print_shop_string (m, shop); |
825 | print_shop_string (this, shop); |
1258 | fprintf (fp, "shopitems %s\n", shop); |
826 | MAP_OUT2 (shopitems, shop); |
1259 | } |
|
|
1260 | if (m->shopgreed) |
|
|
1261 | fprintf (fp, "shopgreed %f\n", m->shopgreed); |
|
|
1262 | #ifndef WIN32 |
|
|
1263 | if (m->shopmin) |
|
|
1264 | fprintf (fp, "shopmin %llu\n", m->shopmin); |
|
|
1265 | if (m->shopmax) |
|
|
1266 | fprintf (fp, "shopmax %llu\n", m->shopmax); |
|
|
1267 | #else |
|
|
1268 | if (m->shopmin) |
|
|
1269 | fprintf (fp, "shopmin %I64u\n", m->shopmin); |
|
|
1270 | if (m->shopmax) |
|
|
1271 | fprintf (fp, "shopmax %I64u\n", m->shopmax); |
|
|
1272 | #endif |
|
|
1273 | if (m->shoprace) |
|
|
1274 | fprintf (fp, "shoprace %s\n", m->shoprace); |
|
|
1275 | if (m->darkness) |
|
|
1276 | fprintf (fp, "darkness %d\n", m->darkness); |
|
|
1277 | if (m->width) |
|
|
1278 | fprintf (fp, "width %d\n", m->width); |
|
|
1279 | if (m->height) |
|
|
1280 | fprintf (fp, "height %d\n", m->height); |
|
|
1281 | if (m->enter_x) |
|
|
1282 | fprintf (fp, "enter_x %d\n", m->enter_x); |
|
|
1283 | if (m->enter_y) |
|
|
1284 | fprintf (fp, "enter_y %d\n", m->enter_y); |
|
|
1285 | if (m->msg) |
|
|
1286 | fprintf (fp, "msg\n%sendmsg\n", m->msg); |
|
|
1287 | if (m->maplore) |
|
|
1288 | fprintf (fp, "maplore\n%sendmaplore\n", m->maplore); |
|
|
1289 | if (m->unique) |
|
|
1290 | fprintf (fp, "unique %d\n", m->unique); |
|
|
1291 | if (m->templatemap) |
|
|
1292 | fprintf (fp, "template %d\n", m->templatemap); |
|
|
1293 | if (m->outdoor) |
|
|
1294 | fprintf (fp, "outdoor %d\n", m->outdoor); |
|
|
1295 | if (m->temp) |
|
|
1296 | fprintf (fp, "temp %d\n", m->temp); |
|
|
1297 | if (m->pressure) |
|
|
1298 | fprintf (fp, "pressure %d\n", m->pressure); |
|
|
1299 | if (m->humid) |
|
|
1300 | fprintf (fp, "humid %d\n", m->humid); |
|
|
1301 | if (m->windspeed) |
|
|
1302 | fprintf (fp, "windspeed %d\n", m->windspeed); |
|
|
1303 | if (m->winddir) |
|
|
1304 | fprintf (fp, "winddir %d\n", m->winddir); |
|
|
1305 | if (m->sky) |
|
|
1306 | fprintf (fp, "sky %d\n", m->sky); |
|
|
1307 | if (m->nosmooth) |
|
|
1308 | fprintf (fp, "nosmooth %d\n", m->nosmooth); |
|
|
1309 | |
|
|
1310 | /* Save any tiling information, except on overlays */ |
|
|
1311 | if (flag != 2) |
|
|
1312 | for (i = 0; i < 4; i++) |
|
|
1313 | if (m->tile_path[i]) |
|
|
1314 | fprintf (fp, "tile_path_%d %s\n", i + 1, m->tile_path[i]); |
|
|
1315 | |
|
|
1316 | fp.put (m); |
|
|
1317 | fprintf (fp, "end\n"); |
|
|
1318 | |
|
|
1319 | /* In the game save unique items in the different file, but |
|
|
1320 | * in the editor save them to the normal map file. |
|
|
1321 | * If unique map, save files in the proper destination (set by |
|
|
1322 | * player) |
|
|
1323 | */ |
|
|
1324 | if ((flag == 0 || flag == 2) && !m->unique && !m->templatemap) |
|
|
1325 | { |
827 | } |
1326 | sprintf (buf, "%s.v00", create_items_path (m->path)); |
|
|
1327 | |
828 | |
1328 | object_freezer fp2 (buf); |
829 | MAP_OUT (shopgreed); |
|
|
830 | MAP_OUT (shopmin); |
|
|
831 | MAP_OUT (shopmax); |
|
|
832 | if (shoprace) MAP_OUT (shoprace); |
|
|
833 | MAP_OUT (darkness); |
|
|
834 | MAP_OUT (width); |
|
|
835 | MAP_OUT (height); |
|
|
836 | MAP_OUT (enter_x); |
|
|
837 | MAP_OUT (enter_y); |
1329 | |
838 | |
1330 | if (flag == 2) |
839 | if (msg) freezer.put (KW_msg , KW_endmsg , msg); |
1331 | save_objects (m, fp, fp2, 2); |
840 | if (maplore) freezer.put (KW_maplore, KW_endmaplore, maplore); |
1332 | else |
|
|
1333 | save_objects (m, fp, fp2, 0); |
|
|
1334 | } |
|
|
1335 | else |
|
|
1336 | { /* save same file when not playing, like in editor */ |
|
|
1337 | save_objects (m, fp, fp, 0); |
|
|
1338 | } |
|
|
1339 | |
841 | |
|
|
842 | MAP_OUT (outdoor); |
|
|
843 | MAP_OUT (temp); |
|
|
844 | MAP_OUT (pressure); |
|
|
845 | MAP_OUT (humid); |
|
|
846 | MAP_OUT (windspeed); |
|
|
847 | MAP_OUT (winddir); |
|
|
848 | MAP_OUT (sky); |
|
|
849 | |
|
|
850 | MAP_OUT (per_player); |
|
|
851 | MAP_OUT (per_party); |
|
|
852 | |
|
|
853 | if (tile_path [0]) MAP_OUT2 (tile_path_1, tile_path [0]); |
|
|
854 | if (tile_path [1]) MAP_OUT2 (tile_path_2, tile_path [1]); |
|
|
855 | if (tile_path [2]) MAP_OUT2 (tile_path_3, tile_path [2]); |
|
|
856 | if (tile_path [3]) MAP_OUT2 (tile_path_4, tile_path [3]); |
|
|
857 | |
|
|
858 | freezer.put (this); |
|
|
859 | freezer.put (KW_end); |
|
|
860 | |
1340 | return 0; |
861 | return true; |
1341 | } |
862 | } |
1342 | |
863 | |
1343 | |
864 | bool |
1344 | /* |
865 | maptile::_save_header (const char *path) |
1345 | * Remove and free all objects in the inventory of the given object. |
|
|
1346 | * object.c ? |
|
|
1347 | */ |
|
|
1348 | |
|
|
1349 | void clean_object(object *op) |
|
|
1350 | { |
866 | { |
1351 | object *tmp, *next; |
867 | object_freezer freezer; |
1352 | |
868 | |
1353 | for(tmp = op->inv; tmp; tmp = next) |
869 | if (!_save_header (freezer)) |
1354 | { |
870 | return false; |
1355 | next = tmp->below; |
871 | |
1356 | clean_object(tmp); |
872 | return freezer.save (path); |
1357 | if (QUERY_FLAG(tmp, FLAG_IS_LINKED)) |
|
|
1358 | remove_button_link(tmp); |
|
|
1359 | remove_ob(tmp); |
|
|
1360 | free_object(tmp); |
|
|
1361 | } |
|
|
1362 | } |
873 | } |
1363 | |
874 | |
1364 | /* |
875 | /* |
1365 | * Remove and free all objects in the given map. |
876 | * Remove and free all objects in the given map. |
1366 | */ |
877 | */ |
|
|
878 | void |
|
|
879 | maptile::clear () |
|
|
880 | { |
|
|
881 | sfree (regions, size ()), regions = 0; |
|
|
882 | free (regionmap), regionmap = 0; |
1367 | |
883 | |
1368 | void free_all_objects(mapstruct *m) { |
884 | if (spaces) |
1369 | int i,j; |
885 | { |
1370 | object *op; |
886 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
1371 | |
887 | while (object *op = ms->bot) |
1372 | for(i=0;i<MAP_WIDTH(m);i++) |
888 | { |
1373 | for(j=0;j<MAP_HEIGHT(m);j++) { |
|
|
1374 | object *previous_obj=NULL; |
|
|
1375 | while((op=GET_MAP_OB(m,i,j))!=NULL) { |
|
|
1376 | if (op==previous_obj) { |
|
|
1377 | LOG(llevDebug, "free_all_objects: Link error, bailing out.\n"); |
|
|
1378 | break; |
|
|
1379 | } |
|
|
1380 | previous_obj=op; |
|
|
1381 | if(op->head!=NULL) |
|
|
1382 | op = op->head; |
889 | op = op->head_ (); |
1383 | |
890 | op->destroy_inv (false); |
1384 | /* If the map isn't in memory, free_object will remove and |
891 | op->destroy (); |
1385 | * free objects in op's inventory. So let it do the job. |
|
|
1386 | */ |
|
|
1387 | if (m->in_memory==MAP_IN_MEMORY) |
|
|
1388 | clean_object(op); |
|
|
1389 | remove_ob(op); |
|
|
1390 | free_object(op); |
|
|
1391 | } |
892 | } |
|
|
893 | |
|
|
894 | sfree (spaces, size ()), spaces = 0; |
|
|
895 | } |
|
|
896 | |
|
|
897 | if (buttons) |
|
|
898 | free_objectlinkpt (buttons), buttons = 0; |
|
|
899 | } |
|
|
900 | |
|
|
901 | void |
|
|
902 | maptile::clear_header () |
|
|
903 | { |
|
|
904 | name = 0; |
|
|
905 | msg = 0; |
|
|
906 | maplore = 0; |
|
|
907 | shoprace = 0; |
|
|
908 | delete [] shopitems, shopitems = 0; |
|
|
909 | |
|
|
910 | for (int i = 0; i < 4; i++) |
|
|
911 | tile_path [i] = 0; |
|
|
912 | } |
|
|
913 | |
|
|
914 | maptile::~maptile () |
|
|
915 | { |
|
|
916 | assert (destroyed ()); |
|
|
917 | } |
|
|
918 | |
|
|
919 | void |
|
|
920 | maptile::clear_links_to (maptile *m) |
|
|
921 | { |
|
|
922 | /* We need to look through all the maps and see if any maps |
|
|
923 | * are pointing at this one for tiling information. Since |
|
|
924 | * tiling can be asymetric, we just can not look to see which |
|
|
925 | * maps this map tiles with and clears those. |
|
|
926 | */ |
|
|
927 | for (int i = 0; i < 4; i++) |
|
|
928 | if (tile_map[i] == m) |
|
|
929 | tile_map[i] = 0; |
|
|
930 | } |
|
|
931 | |
|
|
932 | void |
|
|
933 | maptile::do_destroy () |
|
|
934 | { |
|
|
935 | attachable::do_destroy (); |
|
|
936 | |
|
|
937 | clear (); |
|
|
938 | } |
|
|
939 | |
|
|
940 | /* decay and destroy perishable items in a map */ |
|
|
941 | void |
|
|
942 | maptile::do_decay_objects () |
|
|
943 | { |
|
|
944 | if (!spaces) |
|
|
945 | return; |
|
|
946 | |
|
|
947 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
|
|
948 | for (object *above, *op = ms->bot; op; op = above) |
|
|
949 | { |
|
|
950 | above = op->above; |
|
|
951 | |
|
|
952 | bool destroy = 0; |
|
|
953 | |
|
|
954 | // do not decay anything above unique floor tiles (yet :) |
|
|
955 | if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) |
|
|
956 | break; |
|
|
957 | |
|
|
958 | if (QUERY_FLAG (op, FLAG_IS_FLOOR) |
|
|
959 | || QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) |
|
|
960 | || QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL) |
|
|
961 | || QUERY_FLAG (op, FLAG_UNIQUE) |
|
|
962 | || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR) |
|
|
963 | || QUERY_FLAG (op, FLAG_UNPAID) |
|
|
964 | || op->is_alive ()) |
|
|
965 | ; // do not decay |
|
|
966 | else if (op->is_weapon ()) |
|
|
967 | { |
|
|
968 | op->stats.dam--; |
|
|
969 | if (op->stats.dam < 0) |
|
|
970 | destroy = 1; |
1392 | } |
971 | } |
1393 | #ifdef MANY_CORES |
972 | else if (op->is_armor ()) |
1394 | /* I see periodic cores on metalforge where a map has been swapped out, but apparantly |
973 | { |
1395 | * an item on that map was not saved - look for that condition and die as appropriate - |
974 | op->stats.ac--; |
1396 | * this leaves more of the map data intact for better debugging. |
975 | if (op->stats.ac < 0) |
1397 | */ |
976 | destroy = 1; |
1398 | for (op=objects; op!=NULL; op=op->next) { |
|
|
1399 | if (!QUERY_FLAG(op, FLAG_REMOVED) && op->map == m) { |
|
|
1400 | LOG(llevDebug,"free_all_objects: object %s still on map after it should have been freed\n", op->name); |
|
|
1401 | abort(); |
|
|
1402 | } |
977 | } |
|
|
978 | else if (op->type == FOOD) |
|
|
979 | { |
|
|
980 | op->stats.food -= rndm (5, 20); |
|
|
981 | if (op->stats.food < 0) |
|
|
982 | destroy = 1; |
|
|
983 | } |
|
|
984 | else |
|
|
985 | { |
|
|
986 | int mat = op->materials; |
|
|
987 | |
|
|
988 | if (mat & M_PAPER |
|
|
989 | || mat & M_LEATHER |
|
|
990 | || mat & M_WOOD |
|
|
991 | || mat & M_ORGANIC |
|
|
992 | || mat & M_CLOTH |
|
|
993 | || mat & M_LIQUID |
|
|
994 | || (mat & M_IRON && rndm (1, 5) == 1) |
|
|
995 | || (mat & M_GLASS && rndm (1, 2) == 1) |
|
|
996 | || ((mat & M_STONE || mat & M_ADAMANT) && rndm (1, 10) == 1) |
|
|
997 | || ((mat & M_SOFT_METAL || mat & M_BONE) && rndm (1, 3) == 1) |
|
|
998 | || (mat & M_ICE && temp > 32)) |
|
|
999 | destroy = 1; |
|
|
1000 | } |
|
|
1001 | |
|
|
1002 | /* adjust overall chance below */ |
|
|
1003 | if (destroy && rndm (0, 1)) |
|
|
1004 | op->destroy (); |
1403 | } |
1005 | } |
1404 | #endif |
|
|
1405 | } |
1006 | } |
1406 | |
1007 | |
1407 | /* |
1008 | /* |
1408 | * Frees everything allocated by the given mapstructure. |
1009 | * Updates every button on the map (by calling update_button() for them). |
1409 | * don't free tmpname - our caller is left to do that |
|
|
1410 | */ |
1010 | */ |
1411 | |
1011 | void |
1412 | void free_map(mapstruct *m,int flag) { |
1012 | maptile::update_buttons () |
1413 | int i; |
1013 | { |
1414 | |
1014 | for (oblinkpt *obp = buttons; obp; obp = obp->next) |
1415 | if (!m->in_memory) { |
1015 | for (objectlink *ol = obp->link; ol; ol = ol->next) |
1416 | LOG(llevError,"Trying to free freed map.\n"); |
1016 | { |
1417 | return; |
1017 | if (!ol->ob) |
1418 | } |
|
|
1419 | if (flag && m->spaces) free_all_objects(m); |
|
|
1420 | if (m->name) FREE_AND_CLEAR(m->name); |
|
|
1421 | if (m->spaces) FREE_AND_CLEAR(m->spaces); |
|
|
1422 | if (m->msg) FREE_AND_CLEAR(m->msg); |
|
|
1423 | if (m->maplore) FREE_AND_CLEAR(m->maplore); |
|
|
1424 | if (m->shopitems) FREE_AND_CLEAR(m->shopitems); |
|
|
1425 | if (m->shoprace) FREE_AND_CLEAR(m->shoprace); |
|
|
1426 | if (m->buttons) |
|
|
1427 | free_objectlinkpt(m->buttons); |
|
|
1428 | m->buttons = NULL; |
|
|
1429 | for (i=0; i<4; i++) { |
|
|
1430 | if (m->tile_path[i]) FREE_AND_CLEAR(m->tile_path[i]); |
|
|
1431 | m->tile_map[i] = NULL; |
|
|
1432 | } |
|
|
1433 | m->in_memory = MAP_SWAPPED; |
|
|
1434 | } |
|
|
1435 | |
|
|
1436 | /* |
|
|
1437 | * function: vanish mapstruct |
|
|
1438 | * m : pointer to mapstruct, if NULL no action |
|
|
1439 | * this deletes all the data on the map (freeing pointers) |
|
|
1440 | * and then removes this map from the global linked list of maps. |
|
|
1441 | */ |
|
|
1442 | |
|
|
1443 | void delete_map(mapstruct *m) { |
|
|
1444 | mapstruct *tmp, *last; |
|
|
1445 | int i; |
|
|
1446 | |
|
|
1447 | if (!m) |
|
|
1448 | return; |
|
|
1449 | |
|
|
1450 | m->clear (); |
|
|
1451 | |
|
|
1452 | if (m->in_memory == MAP_IN_MEMORY) { |
|
|
1453 | /* change to MAP_SAVING, even though we are not, |
|
|
1454 | * so that remove_ob doesn't do as much work. |
|
|
1455 | */ |
1018 | { |
1456 | m->in_memory = MAP_SAVING; |
1019 | LOG (llevError, "Internal error in update_button (%s (%dx%d), connected %ld).\n", |
1457 | free_map (m, 1); |
1020 | ol->ob ? (const char *) ol->ob->name : "null", ol->ob ? ol->ob->x : -1, ol->ob ? ol->ob->y : -1, obp->value); |
1458 | } |
1021 | continue; |
1459 | /* move this out of free_map, since tmpname can still be needed if |
|
|
1460 | * the map is swapped out. |
|
|
1461 | */ |
|
|
1462 | if (m->tmpname) { |
|
|
1463 | free(m->tmpname); |
|
|
1464 | m->tmpname=NULL; |
|
|
1465 | } |
|
|
1466 | last = NULL; |
|
|
1467 | /* We need to look through all the maps and see if any maps |
|
|
1468 | * are pointing at this one for tiling information. Since |
|
|
1469 | * tiling can be assymetric, we just can not look to see which |
|
|
1470 | * maps this map tiles with and clears those. |
|
|
1471 | */ |
|
|
1472 | for (tmp = first_map; tmp != NULL; tmp = tmp->next) { |
|
|
1473 | if (tmp->next == m) last = tmp; |
|
|
1474 | |
|
|
1475 | /* This should hopefully get unrolled on a decent compiler */ |
|
|
1476 | for (i=0; i<4; i++) |
|
|
1477 | if (tmp->tile_map[i] == m) tmp->tile_map[i]=NULL; |
|
|
1478 | } |
|
|
1479 | |
|
|
1480 | /* If last is null, then this should be the first map in the list */ |
|
|
1481 | if (!last) { |
|
|
1482 | if (m == first_map) |
|
|
1483 | first_map = m->next; |
|
|
1484 | else |
|
|
1485 | /* m->path is a static char, so should hopefully still have |
|
|
1486 | * some useful data in it. |
|
|
1487 | */ |
|
|
1488 | LOG(llevError,"delete_map: Unable to find map %s in list\n", |
|
|
1489 | m->path); |
|
|
1490 | } |
|
|
1491 | else |
|
|
1492 | last->next = m->next; |
|
|
1493 | |
|
|
1494 | free (m); |
|
|
1495 | } |
|
|
1496 | |
|
|
1497 | |
|
|
1498 | |
|
|
1499 | /* |
|
|
1500 | * Makes sure the given map is loaded and swapped in. |
|
|
1501 | * name is path name of the map. |
|
|
1502 | * flags meaning: |
|
|
1503 | * 0x1 (MAP_FLUSH): flush the map - always load from the map directory, |
|
|
1504 | * and don't do unique items or the like. |
|
|
1505 | * 0x2 (MAP_PLAYER_UNIQUE) - this is a unique map for each player. |
|
|
1506 | * dont do any more name translation on it. |
|
|
1507 | * |
|
|
1508 | * Returns a pointer to the given map. |
|
|
1509 | */ |
|
|
1510 | |
|
|
1511 | mapstruct *ready_map_name(const char *name, int flags) { |
|
|
1512 | mapstruct *m; |
|
|
1513 | |
|
|
1514 | if (!name) |
|
|
1515 | return (NULL); |
|
|
1516 | |
|
|
1517 | /* Have we been at this level before? */ |
|
|
1518 | m = has_been_loaded (name); |
|
|
1519 | |
|
|
1520 | /* Map is good to go, so just return it */ |
|
|
1521 | if (m && (m->in_memory == MAP_LOADING || m->in_memory == MAP_IN_MEMORY)) { |
|
|
1522 | return m; |
|
|
1523 | } |
|
|
1524 | |
|
|
1525 | /* unique maps always get loaded from their original location, and never |
|
|
1526 | * a temp location. Likewise, if map_flush is set, or we have never loaded |
|
|
1527 | * this map, load it now. I removed the reset checking from here - |
|
|
1528 | * it seems the probability of a player trying to enter a map that should |
|
|
1529 | * reset but hasn't yet is quite low, and removing that makes this function |
|
|
1530 | * a bit cleaner (and players probably shouldn't rely on exact timing for |
|
|
1531 | * resets in any case - if they really care, they should use the 'maps command. |
|
|
1532 | */ |
|
|
1533 | if ((flags & (MAP_FLUSH|MAP_PLAYER_UNIQUE)) || !m) { |
|
|
1534 | |
|
|
1535 | /* first visit or time to reset */ |
|
|
1536 | if (m) { |
|
|
1537 | clean_tmp_map(m); /* Doesn't make much difference */ |
|
|
1538 | delete_map(m); |
|
|
1539 | } |
1022 | } |
1540 | |
1023 | |
1541 | /* create and load a map */ |
1024 | if (ol->ob->type == BUTTON || ol->ob->type == PEDESTAL) |
1542 | if (flags & MAP_PLAYER_UNIQUE) |
|
|
1543 | LOG(llevDebug, "Trying to load map %s.\n", name); |
|
|
1544 | else |
|
|
1545 | LOG(llevDebug, "Trying to load map %s.\n", create_pathname(name)); |
|
|
1546 | |
|
|
1547 | if (!(m = load_original_map(name, (flags & MAP_PLAYER_UNIQUE)))) |
|
|
1548 | return (NULL); |
|
|
1549 | |
|
|
1550 | fix_auto_apply(m); /* Chests which open as default */ |
|
|
1551 | |
|
|
1552 | /* If a player unique map, no extra unique object file to load. |
|
|
1553 | * if from the editor, likewise. |
|
|
1554 | */ |
1025 | { |
1555 | if (! (flags & (MAP_FLUSH|MAP_PLAYER_UNIQUE))) |
1026 | update_button (ol->ob); |
1556 | load_unique_objects(m); |
1027 | break; |
1557 | |
|
|
1558 | if (! (flags & (MAP_FLUSH|MAP_PLAYER_UNIQUE|MAP_OVERLAY))) { |
|
|
1559 | m=load_overlay_map(name, m); |
|
|
1560 | if (m==NULL) |
|
|
1561 | return NULL; |
|
|
1562 | } |
1028 | } |
1563 | |
|
|
1564 | if (flags & MAP_PLAYER_UNIQUE) |
|
|
1565 | INVOKE_MAP (SWAPIN, m); |
|
|
1566 | |
|
|
1567 | } else { |
|
|
1568 | /* If in this loop, we found a temporary map, so load it up. */ |
|
|
1569 | |
|
|
1570 | m=load_temporary_map (m); |
|
|
1571 | if(m==NULL) return NULL; |
|
|
1572 | load_unique_objects(m); |
|
|
1573 | |
|
|
1574 | clean_tmp_map(m); |
|
|
1575 | m->in_memory = MAP_IN_MEMORY; |
|
|
1576 | /* tempnam() on sun systems (probably others) uses malloc |
|
|
1577 | * to allocated space for the string. Free it here. |
|
|
1578 | * In some cases, load_temporary_map above won't find the |
|
|
1579 | * temporary map, and so has reloaded a new map. If that |
|
|
1580 | * is the case, tmpname is now null |
|
|
1581 | */ |
|
|
1582 | if (m->tmpname) free(m->tmpname); |
|
|
1583 | m->tmpname = NULL; |
|
|
1584 | /* It's going to be saved anew anyway */ |
|
|
1585 | } |
1029 | } |
1586 | |
|
|
1587 | /* Below here is stuff common to both first time loaded maps and |
|
|
1588 | * temp maps. |
|
|
1589 | */ |
|
|
1590 | |
|
|
1591 | decay_objects(m); /* start the decay */ |
|
|
1592 | /* In case other objects press some buttons down */ |
|
|
1593 | update_buttons(m); |
|
|
1594 | if (m->outdoor) |
|
|
1595 | set_darkness_map(m); |
|
|
1596 | /* run the weather over this map */ |
|
|
1597 | weather_effect(name); |
|
|
1598 | return m; |
|
|
1599 | } |
1030 | } |
1600 | |
|
|
1601 | |
1031 | |
1602 | /* |
1032 | /* |
1603 | * This routine is supposed to find out the difficulty of the map. |
1033 | * This routine is supposed to find out the difficulty of the map. |
1604 | * difficulty does not have a lot to do with character level, |
1034 | * difficulty does not have a lot to do with character level, |
1605 | * but does have a lot to do with treasure on the map. |
1035 | * but does have a lot to do with treasure on the map. |
… | |
… | |
1607 | * Difficulty can now be set by the map creature. If the value stored |
1037 | * Difficulty can now be set by the map creature. If the value stored |
1608 | * in the map is zero, then use this routine. Maps should really |
1038 | * in the map is zero, then use this routine. Maps should really |
1609 | * have a difficulty set than using this function - human calculation |
1039 | * have a difficulty set than using this function - human calculation |
1610 | * is much better than this functions guesswork. |
1040 | * is much better than this functions guesswork. |
1611 | */ |
1041 | */ |
1612 | |
1042 | int |
1613 | int calculate_difficulty(mapstruct *m) { |
1043 | maptile::estimate_difficulty () const |
1614 | object *op; |
1044 | { |
1615 | archetype *at; |
|
|
1616 | int x, y, i, diff; |
|
|
1617 | long monster_cnt = 0; |
1045 | long monster_cnt = 0; |
1618 | double avgexp = 0; |
1046 | double avgexp = 0; |
1619 | sint64 total_exp = 0; |
1047 | sint64 total_exp = 0; |
1620 | |
1048 | |
1621 | if (MAP_DIFFICULTY (m)) |
1049 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
1622 | { |
1050 | for (object *op = ms->bot; op; op = op->above) |
1623 | LOG(llevDebug, "Using stored map difficulty: %d\n", MAP_DIFFICULTY (m)); |
|
|
1624 | return MAP_DIFFICULTY (m); |
|
|
1625 | } |
|
|
1626 | |
|
|
1627 | for(x = 0; x < MAP_WIDTH(m); x++) |
|
|
1628 | for(y = 0; y < MAP_HEIGHT(m); y++) |
|
|
1629 | for(op = get_map_ob(m, x, y); op != NULL; op = op->above) |
|
|
1630 | { |
1051 | { |
1631 | if(QUERY_FLAG (op, FLAG_MONSTER)) |
1052 | if (QUERY_FLAG (op, FLAG_MONSTER)) |
1632 | { |
1053 | { |
1633 | total_exp += op->stats.exp; |
1054 | total_exp += op->stats.exp; |
1634 | monster_cnt++; |
1055 | monster_cnt++; |
1635 | } |
1056 | } |
1636 | |
1057 | |
1637 | if(QUERY_FLAG (op, FLAG_GENERATOR)) |
1058 | if (QUERY_FLAG (op, FLAG_GENERATOR)) |
1638 | { |
1059 | { |
1639 | total_exp += op->stats.exp; |
1060 | total_exp += op->stats.exp; |
|
|
1061 | |
1640 | at = type_to_archetype(GENERATE_TYPE (op)); |
1062 | if (archetype *at = type_to_archetype (GENERATE_TYPE (op))) |
1641 | |
|
|
1642 | if(at != NULL) |
|
|
1643 | total_exp += at->clone.stats.exp * 8; |
1063 | total_exp += at->stats.exp * 8; |
1644 | |
1064 | |
1645 | monster_cnt++; |
1065 | monster_cnt++; |
1646 | } |
1066 | } |
1647 | } |
1067 | } |
1648 | |
1068 | |
1649 | avgexp = (double) total_exp / monster_cnt; |
1069 | avgexp = (double) total_exp / monster_cnt; |
1650 | |
1070 | |
1651 | for (i = 1; i <= settings.max_level; i++) |
1071 | for (int i = 1; i <= settings.max_level; i++) |
1652 | { |
|
|
1653 | if ((level_exp (i, 1) - level_exp (i - 1, 1)) > (100 * avgexp)) |
1072 | if ((level_exp (i, 1) - level_exp (i - 1, 1)) > (100 * avgexp)) |
1654 | { |
|
|
1655 | /* LOG(llevDebug, "Calculated difficulty for map: %s: %d\n", m->name, i); */ |
|
|
1656 | return i; |
1073 | return i; |
1657 | } |
|
|
1658 | } |
|
|
1659 | |
1074 | |
1660 | return 1; |
1075 | return 1; |
1661 | } |
|
|
1662 | |
|
|
1663 | void clean_tmp_map(mapstruct *m) { |
|
|
1664 | if(m->tmpname == NULL) |
|
|
1665 | return; |
|
|
1666 | INVOKE_MAP (CLEAN, m); |
|
|
1667 | (void) unlink(m->tmpname); |
|
|
1668 | } |
|
|
1669 | |
|
|
1670 | void free_all_maps(void) |
|
|
1671 | { |
|
|
1672 | int real_maps=0; |
|
|
1673 | |
|
|
1674 | while (first_map) { |
|
|
1675 | /* I think some of the callers above before it gets here set this to be |
|
|
1676 | * saving, but we still want to free this data |
|
|
1677 | */ |
|
|
1678 | if (first_map->in_memory == MAP_SAVING) first_map->in_memory = MAP_IN_MEMORY; |
|
|
1679 | delete_map(first_map); |
|
|
1680 | real_maps++; |
|
|
1681 | } |
|
|
1682 | LOG(llevDebug,"free_all_maps: Freed %d maps\n", real_maps); |
|
|
1683 | } |
1076 | } |
1684 | |
1077 | |
1685 | /* change_map_light() - used to change map light level (darkness) |
1078 | /* change_map_light() - used to change map light level (darkness) |
1686 | * up or down. Returns true if successful. It should now be |
1079 | * up or down. Returns true if successful. It should now be |
1687 | * possible to change a value by more than 1. |
1080 | * possible to change a value by more than 1. |
1688 | * Move this from los.c to map.c since this is more related |
1081 | * Move this from los.c to map.c since this is more related |
1689 | * to maps than los. |
1082 | * to maps than los. |
1690 | * postive values make it darker, negative make it brighter |
1083 | * postive values make it darker, negative make it brighter |
1691 | */ |
1084 | */ |
1692 | |
1085 | int |
1693 | int change_map_light(mapstruct *m, int change) { |
1086 | maptile::change_map_light (int change) |
|
|
1087 | { |
1694 | int new_level = m->darkness + change; |
1088 | int new_level = darkness + change; |
1695 | |
1089 | |
1696 | /* Nothing to do */ |
1090 | /* Nothing to do */ |
1697 | if(!change || (new_level <= 0 && m->darkness == 0) || |
1091 | if (!change || (new_level <= 0 && darkness == 0) || (new_level >= MAX_DARKNESS && darkness >= MAX_DARKNESS)) |
1698 | (new_level >= MAX_DARKNESS && m->darkness >=MAX_DARKNESS)) { |
|
|
1699 | return 0; |
1092 | return 0; |
1700 | } |
|
|
1701 | |
1093 | |
1702 | /* inform all players on the map */ |
1094 | /* inform all players on the map */ |
1703 | if (change>0) |
1095 | if (change > 0) |
1704 | new_info_map(NDI_BLACK|NDI_UNIQUE, m,"It becomes darker."); |
1096 | new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker."); |
1705 | else |
1097 | else |
1706 | new_info_map(NDI_BLACK|NDI_UNIQUE, m,"It becomes brighter."); |
1098 | new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter."); |
1707 | |
1099 | |
1708 | /* Do extra checking. since m->darkness is a unsigned value, |
1100 | /* Do extra checking. since darkness is a unsigned value, |
1709 | * we need to be extra careful about negative values. |
1101 | * we need to be extra careful about negative values. |
1710 | * In general, the checks below are only needed if change |
1102 | * In general, the checks below are only needed if change |
1711 | * is not +/-1 |
1103 | * is not +/-1 |
1712 | */ |
1104 | */ |
1713 | if (new_level < 0) m->darkness = 0; |
1105 | if (new_level < 0) |
1714 | else if (new_level >=MAX_DARKNESS) m->darkness = MAX_DARKNESS; |
1106 | darkness = 0; |
|
|
1107 | else if (new_level >= MAX_DARKNESS) |
|
|
1108 | darkness = MAX_DARKNESS; |
|
|
1109 | else |
1715 | else m->darkness=new_level; |
1110 | darkness = new_level; |
1716 | |
1111 | |
1717 | /* All clients need to get re-updated for the change */ |
1112 | /* All clients need to get re-updated for the change */ |
1718 | update_all_map_los(m); |
1113 | update_all_map_los (this); |
1719 | return 1; |
1114 | return 1; |
1720 | } |
1115 | } |
1721 | |
|
|
1722 | |
1116 | |
1723 | /* |
1117 | /* |
1724 | * This function updates various attributes about a specific space |
1118 | * This function updates various attributes about a specific space |
1725 | * on the map (what it looks like, whether it blocks magic, |
1119 | * on the map (what it looks like, whether it blocks magic, |
1726 | * has a living creatures, prevents people from passing |
1120 | * has a living creatures, prevents people from passing |
1727 | * through, etc) |
1121 | * through, etc) |
1728 | */ |
1122 | */ |
1729 | void update_position (mapstruct *m, int x, int y) { |
1123 | void |
|
|
1124 | mapspace::update_ () |
|
|
1125 | { |
1730 | object *tmp, *last = NULL; |
1126 | object *tmp, *last = 0; |
1731 | uint8 flags = 0, oldflags, light=0, anywhere=0; |
1127 | uint8 flags = P_UPTODATE, light = 0, anywhere = 0; |
1732 | New_Face *top,*floor, *middle; |
|
|
1733 | object *top_obj, *floor_obj, *middle_obj; |
|
|
1734 | MoveType move_block=0, move_slow=0, move_on=0, move_off=0, move_allow=0; |
1128 | MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0; |
1735 | |
1129 | |
1736 | oldflags = GET_MAP_FLAGS(m,x,y); |
1130 | //object *middle = 0; |
1737 | if (!(oldflags & P_NEED_UPDATE)) { |
1131 | //object *top = 0; |
1738 | LOG(llevDebug,"update_position called with P_NEED_UPDATE not set: %s (%d, %d)\n", |
1132 | //object *floor = 0; |
1739 | m->path, x, y); |
1133 | // this seems to generate better code than using locals, above |
1740 | return; |
1134 | object *&top = faces_obj[0] = 0; |
1741 | } |
1135 | object *&middle = faces_obj[1] = 0; |
|
|
1136 | object *&floor = faces_obj[2] = 0; |
1742 | |
1137 | |
1743 | middle=blank_face; |
|
|
1744 | top=blank_face; |
|
|
1745 | floor=blank_face; |
|
|
1746 | |
|
|
1747 | middle_obj = NULL; |
|
|
1748 | top_obj = NULL; |
|
|
1749 | floor_obj = NULL; |
|
|
1750 | |
|
|
1751 | for (tmp = get_map_ob (m, x, y); tmp; last = tmp, tmp = tmp->above) { |
1138 | for (tmp = bot; tmp; last = tmp, tmp = tmp->above) |
1752 | |
1139 | { |
1753 | /* This could be made additive I guess (two lights better than |
1140 | /* This could be made additive I guess (two lights better than |
1754 | * one). But if so, it shouldn't be a simple additive - 2 |
1141 | * one). But if so, it shouldn't be a simple additive - 2 |
1755 | * light bulbs do not illuminate twice as far as once since |
1142 | * light bulbs do not illuminate twice as far as once since |
1756 | * it is a disapation factor that is squared (or is it cubed?) |
1143 | * it is a dissapation factor that is cubed. |
1757 | */ |
1144 | */ |
1758 | if (tmp->glow_radius > light) light = tmp->glow_radius; |
1145 | if (tmp->glow_radius > light) |
|
|
1146 | light = tmp->glow_radius; |
1759 | |
1147 | |
1760 | /* This call is needed in order to update objects the player |
1148 | /* This call is needed in order to update objects the player |
1761 | * is standing in that have animations (ie, grass, fire, etc). |
1149 | * is standing in that have animations (ie, grass, fire, etc). |
1762 | * However, it also causes the look window to be re-drawn |
1150 | * However, it also causes the look window to be re-drawn |
1763 | * 3 times each time the player moves, because many of the |
1151 | * 3 times each time the player moves, because many of the |
1764 | * functions the move_player calls eventualy call this. |
1152 | * functions the move_player calls eventualy call this. |
1765 | * |
1153 | * |
1766 | * Always put the player down for drawing. |
1154 | * Always put the player down for drawing. |
1767 | */ |
1155 | */ |
1768 | if (!tmp->invisible) { |
1156 | if (!tmp->invisible) |
|
|
1157 | { |
1769 | if ((tmp->type==PLAYER || QUERY_FLAG(tmp, FLAG_MONSTER))) { |
1158 | if ((tmp->type == PLAYER || QUERY_FLAG (tmp, FLAG_MONSTER))) |
1770 | top = tmp->face; |
|
|
1771 | top_obj = tmp; |
1159 | top = tmp; |
|
|
1160 | else if (QUERY_FLAG (tmp, FLAG_IS_FLOOR)) |
|
|
1161 | { |
|
|
1162 | /* If we got a floor, that means middle and top were below it, |
|
|
1163 | * so should not be visible, so we clear them. |
|
|
1164 | */ |
|
|
1165 | middle = 0; |
|
|
1166 | top = 0; |
|
|
1167 | floor = tmp; |
1772 | } |
1168 | } |
|
|
1169 | /* Flag anywhere have high priority */ |
1773 | else if (QUERY_FLAG(tmp,FLAG_IS_FLOOR)) { |
1170 | else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE)) |
1774 | /* If we got a floor, that means middle and top were below it, |
|
|
1775 | * so should not be visible, so we clear them. |
|
|
1776 | */ |
1171 | { |
1777 | middle=blank_face; |
1172 | middle = tmp; |
1778 | top=blank_face; |
1173 | anywhere = 1; |
1779 | floor = tmp->face; |
|
|
1780 | floor_obj = tmp; |
|
|
1781 | } |
1174 | } |
1782 | /* Flag anywhere have high priority */ |
1175 | /* Find the highest visible face around. If equal |
1783 | else if (QUERY_FLAG(tmp, FLAG_SEE_ANYWHERE)) { |
1176 | * visibilities, we still want the one nearer to the |
|
|
1177 | * top |
|
|
1178 | */ |
|
|
1179 | else if (!middle || (::faces [tmp->face].visibility > ::faces [middle->face].visibility && !anywhere)) |
1784 | middle = tmp->face; |
1180 | middle = tmp; |
|
|
1181 | } |
1785 | |
1182 | |
|
|
1183 | if (tmp == tmp->above) |
|
|
1184 | { |
|
|
1185 | LOG (llevError, "Error in structure of map\n"); |
|
|
1186 | exit (-1); |
|
|
1187 | } |
|
|
1188 | |
|
|
1189 | move_slow |= tmp->move_slow; |
|
|
1190 | move_block |= tmp->move_block; |
|
|
1191 | move_on |= tmp->move_on; |
|
|
1192 | move_off |= tmp->move_off; |
|
|
1193 | move_allow |= tmp->move_allow; |
|
|
1194 | |
|
|
1195 | if (QUERY_FLAG (tmp, FLAG_BLOCKSVIEW)) flags |= P_BLOCKSVIEW; |
|
|
1196 | if (QUERY_FLAG (tmp, FLAG_NO_MAGIC)) flags |= P_NO_MAGIC; |
|
|
1197 | if (tmp->type == PLAYER) flags |= P_PLAYER; |
|
|
1198 | if (tmp->type == SAFE_GROUND) flags |= P_SAFE; |
|
|
1199 | if (QUERY_FLAG (tmp, FLAG_ALIVE)) flags |= P_IS_ALIVE; |
|
|
1200 | if (QUERY_FLAG (tmp, FLAG_DAMNED)) flags |= P_NO_CLERIC; |
|
|
1201 | } |
|
|
1202 | |
|
|
1203 | this->light = light; |
|
|
1204 | this->flags_ = flags; |
|
|
1205 | this->move_block = move_block & ~move_allow; |
|
|
1206 | this->move_on = move_on; |
|
|
1207 | this->move_off = move_off; |
|
|
1208 | this->move_slow = move_slow; |
|
|
1209 | |
|
|
1210 | /* At this point, we have a floor face (if there is a floor), |
|
|
1211 | * and the floor is set - we are not going to touch it at |
|
|
1212 | * this point. |
|
|
1213 | * middle contains the highest visibility face. |
|
|
1214 | * top contains a player/monster face, if there is one. |
|
|
1215 | * |
|
|
1216 | * We now need to fill in top.face and/or middle.face. |
|
|
1217 | */ |
|
|
1218 | |
|
|
1219 | /* If the top face also happens to be high visibility, re-do our |
|
|
1220 | * middle face. This should not happen, as we already have the |
|
|
1221 | * else statement above so middle should not get set. OTOH, it |
|
|
1222 | * may be possible for the faces to match but be different objects. |
|
|
1223 | */ |
|
|
1224 | if (top == middle) |
|
|
1225 | middle = 0; |
|
|
1226 | |
|
|
1227 | /* There are three posibilities at this point: |
|
|
1228 | * 1) top face is set, need middle to be set. |
|
|
1229 | * 2) middle is set, need to set top. |
|
|
1230 | * 3) neither middle or top is set - need to set both. |
|
|
1231 | */ |
|
|
1232 | |
|
|
1233 | for (tmp = last; tmp; tmp = tmp->below) |
|
|
1234 | { |
|
|
1235 | /* Once we get to a floor, stop, since we already have a floor object */ |
|
|
1236 | if (QUERY_FLAG (tmp, FLAG_IS_FLOOR)) |
|
|
1237 | break; |
|
|
1238 | |
|
|
1239 | /* If two top faces are already set, quit processing */ |
|
|
1240 | if (top && middle) |
|
|
1241 | break; |
|
|
1242 | |
|
|
1243 | /* Only show visible faces */ |
|
|
1244 | if (!tmp->invisible) |
|
|
1245 | { |
|
|
1246 | /* Fill in top if needed */ |
|
|
1247 | if (!top) |
|
|
1248 | { |
|
|
1249 | top = tmp; |
|
|
1250 | if (top == middle) |
1786 | middle_obj = tmp; |
1251 | middle = 0; |
1787 | anywhere =1; |
|
|
1788 | } |
1252 | } |
1789 | /* Find the highest visible face around. If equal |
1253 | else |
1790 | * visibilities, we still want the one nearer to the |
|
|
1791 | * top |
|
|
1792 | */ |
|
|
1793 | else if (middle == blank_face || (tmp->face->visibility > middle->visibility && !anywhere)) { |
|
|
1794 | middle = tmp->face; |
|
|
1795 | middle_obj = tmp; |
|
|
1796 | } |
1254 | { |
1797 | } |
|
|
1798 | if (tmp==tmp->above) { |
|
|
1799 | LOG(llevError, "Error in structure of map\n"); |
|
|
1800 | exit (-1); |
|
|
1801 | } |
|
|
1802 | |
|
|
1803 | move_slow |= tmp->move_slow; |
|
|
1804 | move_block |= tmp->move_block; |
|
|
1805 | move_on |= tmp->move_on; |
|
|
1806 | move_off |= tmp->move_off; |
|
|
1807 | move_allow |= tmp->move_allow; |
|
|
1808 | |
|
|
1809 | if (QUERY_FLAG(tmp,FLAG_ALIVE)) |
|
|
1810 | flags |= P_IS_ALIVE; |
|
|
1811 | if (QUERY_FLAG(tmp,FLAG_NO_MAGIC)) |
|
|
1812 | flags |= P_NO_MAGIC; |
|
|
1813 | if (QUERY_FLAG(tmp,FLAG_DAMNED)) |
|
|
1814 | flags |= P_NO_CLERIC; |
|
|
1815 | if (tmp->type == SAFE_GROUND) |
|
|
1816 | flags |= P_SAFE | P_NO_CLERIC | P_NO_MAGIC; |
|
|
1817 | |
|
|
1818 | if (QUERY_FLAG(tmp,FLAG_BLOCKSVIEW)) |
|
|
1819 | flags |= P_BLOCKSVIEW; |
|
|
1820 | } /* for stack of objects */ |
|
|
1821 | |
|
|
1822 | /* we don't want to rely on this function to have accurate flags, but |
|
|
1823 | * since we're already doing the work, we calculate them here. |
|
|
1824 | * if they don't match, logic is broken someplace. |
|
|
1825 | */ |
|
|
1826 | if (((oldflags & ~(P_NEED_UPDATE|P_NO_ERROR)) != flags) && |
|
|
1827 | (!(oldflags & P_NO_ERROR))) { |
|
|
1828 | LOG(llevDebug,"update_position: updated flags do not match old flags: %s (old=%d,new=%d) %x != %x\n", |
|
|
1829 | m->path, x, y, |
|
|
1830 | (oldflags & ~P_NEED_UPDATE), flags); |
|
|
1831 | } |
|
|
1832 | SET_MAP_FLAGS(m, x, y, flags); |
|
|
1833 | SET_MAP_MOVE_BLOCK(m, x, y, move_block & ~move_allow); |
|
|
1834 | SET_MAP_MOVE_ON(m, x, y, move_on); |
|
|
1835 | SET_MAP_MOVE_OFF(m, x, y, move_off); |
|
|
1836 | SET_MAP_MOVE_SLOW(m, x, y, move_slow); |
|
|
1837 | |
|
|
1838 | /* At this point, we have a floor face (if there is a floor), |
|
|
1839 | * and the floor is set - we are not going to touch it at |
|
|
1840 | * this point. |
|
|
1841 | * middle contains the highest visibility face. |
|
|
1842 | * top contains a player/monster face, if there is one. |
|
|
1843 | * |
|
|
1844 | * We now need to fill in top.face and/or middle.face. |
|
|
1845 | */ |
|
|
1846 | |
|
|
1847 | /* If the top face also happens to be high visibility, re-do our |
|
|
1848 | * middle face. This should not happen, as we already have the |
|
|
1849 | * else statement above so middle should not get set. OTOH, it |
|
|
1850 | * may be possible for the faces to match but be different objects. |
|
|
1851 | */ |
|
|
1852 | if (top == middle) middle=blank_face; |
|
|
1853 | |
|
|
1854 | /* There are three posibilities at this point: |
|
|
1855 | * 1) top face is set, need middle to be set. |
|
|
1856 | * 2) middle is set, need to set top. |
|
|
1857 | * 3) neither middle or top is set - need to set both. |
|
|
1858 | */ |
|
|
1859 | |
|
|
1860 | for (tmp=last; tmp; tmp=tmp->below) { |
|
|
1861 | /* Once we get to a floor, stop, since we already have a floor object */ |
|
|
1862 | if (QUERY_FLAG(tmp,FLAG_IS_FLOOR)) break; |
|
|
1863 | |
|
|
1864 | /* If two top faces are already set, quit processing */ |
|
|
1865 | if ((top != blank_face) && (middle != blank_face)) break; |
|
|
1866 | |
|
|
1867 | /* Only show visible faces, unless its the editor - show all */ |
|
|
1868 | if (!tmp->invisible || editor) { |
|
|
1869 | /* Fill in top if needed */ |
|
|
1870 | if (top == blank_face) { |
|
|
1871 | top = tmp->face; |
|
|
1872 | top_obj = tmp; |
|
|
1873 | if (top == middle) middle=blank_face; |
|
|
1874 | } else { |
|
|
1875 | /* top is already set - we should only get here if |
1255 | /* top is already set - we should only get here if |
1876 | * middle is not set |
1256 | * middle is not set |
1877 | * |
1257 | * |
1878 | * Set the middle face and break out, since there is nothing |
1258 | * Set the middle face and break out, since there is nothing |
1879 | * more to fill in. We don't check visiblity here, since |
1259 | * more to fill in. We don't check visiblity here, since |
1880 | * |
1260 | * |
1881 | */ |
1261 | */ |
1882 | if (tmp->face != top ) { |
1262 | if (tmp != top) |
1883 | middle = tmp->face; |
1263 | { |
1884 | middle_obj = tmp; |
1264 | middle = tmp; |
1885 | break; |
1265 | break; |
1886 | } |
1266 | } |
1887 | } |
1267 | } |
1888 | } |
1268 | } |
1889 | } |
1269 | } |
1890 | if (middle == floor) middle = blank_face; |
|
|
1891 | if (top == middle) middle = blank_face; |
|
|
1892 | SET_MAP_FACE(m,x,y,top,0); |
|
|
1893 | if(top != blank_face) |
|
|
1894 | SET_MAP_FACE_OBJ(m,x,y,top_obj,0); |
|
|
1895 | else |
|
|
1896 | SET_MAP_FACE_OBJ(m,x,y,NULL,0); |
|
|
1897 | SET_MAP_FACE(m,x,y,middle,1); |
|
|
1898 | if(middle != blank_face) |
|
|
1899 | SET_MAP_FACE_OBJ(m,x,y,middle_obj,1); |
|
|
1900 | else |
|
|
1901 | SET_MAP_FACE_OBJ(m,x,y,NULL,1); |
|
|
1902 | SET_MAP_FACE(m,x,y,floor,2); |
|
|
1903 | if(floor != blank_face) |
|
|
1904 | SET_MAP_FACE_OBJ(m,x,y,floor_obj,2); |
|
|
1905 | else |
|
|
1906 | SET_MAP_FACE_OBJ(m,x,y,NULL,2); |
|
|
1907 | SET_MAP_LIGHT(m,x,y,light); |
|
|
1908 | } |
|
|
1909 | |
1270 | |
|
|
1271 | if (middle == floor) |
|
|
1272 | middle = 0; |
1910 | |
1273 | |
1911 | void set_map_reset_time(mapstruct *map) { |
1274 | if (top == middle) |
1912 | int timeout; |
1275 | middle = 0; |
1913 | |
1276 | |
1914 | timeout = MAP_RESET_TIMEOUT(map); |
1277 | #if 0 |
1915 | if (timeout <= 0) |
1278 | faces_obj [0] = top; |
1916 | timeout = MAP_DEFAULTRESET; |
1279 | faces_obj [1] = middle; |
1917 | if (timeout >= MAP_MAXRESET) |
1280 | faces_obj [2] = floor; |
1918 | timeout = MAP_MAXRESET; |
1281 | #endif |
1919 | MAP_WHEN_RESET(map) = seconds()+timeout; |
|
|
1920 | } |
1282 | } |
1921 | |
1283 | |
|
|
1284 | uint64 |
|
|
1285 | mapspace::volume () const |
|
|
1286 | { |
|
|
1287 | uint64 vol = 0; |
|
|
1288 | |
|
|
1289 | for (object *op = top; op && !op->flag [FLAG_NO_PICK]; op = op->below) |
|
|
1290 | vol += op->volume (); |
|
|
1291 | |
|
|
1292 | return vol; |
|
|
1293 | } |
|
|
1294 | |
1922 | /* this updates the orig_map->tile_map[tile_num] value after loading |
1295 | /* this updates the orig_map->tile_map[tile_num] value after finding |
1923 | * the map. It also takes care of linking back the freshly loaded |
1296 | * the map. It also takes care of linking back the freshly found |
1924 | * maps tile_map values if it tiles back to this one. It returns |
1297 | * maps tile_map values if it tiles back to this one. It returns |
1925 | * the value of orig_map->tile_map[tile_num]. It really only does this |
1298 | * the value of orig_map->tile_map[tile_num]. |
1926 | * so that it is easier for calling functions to verify success. |
|
|
1927 | */ |
1299 | */ |
1928 | |
1300 | static inline maptile * |
1929 | static mapstruct *load_and_link_tiled_map(mapstruct *orig_map, int tile_num) |
1301 | find_and_link (maptile *orig_map, int tile_num) |
1930 | { |
1302 | { |
|
|
1303 | maptile *mp = orig_map->tile_map [tile_num]; |
|
|
1304 | |
|
|
1305 | if (!mp) |
|
|
1306 | { |
|
|
1307 | mp = orig_map->find_sync (orig_map->tile_path [tile_num], orig_map); |
|
|
1308 | |
|
|
1309 | if (!mp) |
|
|
1310 | { |
|
|
1311 | // emergency mode, manufacture a dummy map, this creates a memleak, but thats fine |
|
|
1312 | LOG (llevError, "FATAL: cannot load tiled map %s from %s, leaking memory and worse!\n", |
|
|
1313 | &orig_map->tile_path[tile_num], &orig_map->path); |
|
|
1314 | mp = new maptile (1, 1); |
|
|
1315 | mp->alloc (); |
|
|
1316 | mp->in_memory = MAP_IN_MEMORY; |
|
|
1317 | } |
|
|
1318 | } |
|
|
1319 | |
1931 | int dest_tile = (tile_num +2) % 4; |
1320 | int dest_tile = (tile_num + 2) % 4; |
1932 | char *path = path_combine_and_normalize(orig_map->path, orig_map->tile_path[tile_num]); |
|
|
1933 | |
1321 | |
1934 | orig_map->tile_map[tile_num] = ready_map_name(path, 0); |
1322 | orig_map->tile_map [tile_num] = mp; |
1935 | |
1323 | |
1936 | /* need to do a strcmp here as the orig_map->path is not a shared string */ |
1324 | // optimisation: back-link map to origin map if euclidean |
1937 | if (orig_map->tile_map[tile_num]->tile_path[dest_tile] && |
1325 | //TODO: non-euclidean maps MUST GO |
1938 | !strcmp(orig_map->tile_map[tile_num]->tile_path[dest_tile], orig_map->path)) |
1326 | if (orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path) |
1939 | orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map; |
1327 | orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map; |
1940 | |
1328 | |
1941 | return orig_map->tile_map[tile_num]; |
1329 | return mp; |
|
|
1330 | } |
|
|
1331 | |
|
|
1332 | static inline void |
|
|
1333 | load_and_link (maptile *orig_map, int tile_num) |
|
|
1334 | { |
|
|
1335 | find_and_link (orig_map, tile_num)->load_sync (); |
1942 | } |
1336 | } |
1943 | |
1337 | |
1944 | /* this returns TRUE if the coordinates (x,y) are out of |
1338 | /* this returns TRUE if the coordinates (x,y) are out of |
1945 | * map m. This function also takes into account any |
1339 | * map m. This function also takes into account any |
1946 | * tiling considerations, loading adjacant maps as needed. |
1340 | * tiling considerations, loading adjacant maps as needed. |
1947 | * This is the function should always be used when it |
1341 | * This is the function should always be used when it |
1948 | * necessary to check for valid coordinates. |
1342 | * necessary to check for valid coordinates. |
1949 | * This function will recursively call itself for the |
1343 | * This function will recursively call itself for the |
1950 | * tiled maps. |
1344 | * tiled maps. |
1951 | * |
1345 | */ |
1952 | * |
1346 | int |
1953 | */ |
|
|
1954 | int out_of_map(mapstruct *m, int x, int y) |
1347 | out_of_map (maptile *m, int x, int y) |
1955 | { |
1348 | { |
1956 | |
|
|
1957 | /* If we get passed a null map, this is obviously the |
1349 | /* If we get passed a null map, this is obviously the |
1958 | * case. This generally shouldn't happen, but if the |
1350 | * case. This generally shouldn't happen, but if the |
1959 | * map loads fail below, it could happen. |
1351 | * map loads fail below, it could happen. |
1960 | */ |
1352 | */ |
1961 | if (!m) return 0; |
1353 | if (!m) |
1962 | |
|
|
1963 | if (x<0) { |
|
|
1964 | if (!m->tile_path[3]) return 1; |
|
|
1965 | if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) { |
|
|
1966 | load_and_link_tiled_map(m, 3); |
|
|
1967 | } |
|
|
1968 | return (out_of_map(m->tile_map[3], x + MAP_WIDTH(m->tile_map[3]), y)); |
|
|
1969 | } |
|
|
1970 | if (x>=MAP_WIDTH(m)) { |
|
|
1971 | if (!m->tile_path[1]) return 1; |
|
|
1972 | if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) { |
|
|
1973 | load_and_link_tiled_map(m, 1); |
|
|
1974 | } |
|
|
1975 | return (out_of_map(m->tile_map[1], x - MAP_WIDTH(m), y)); |
|
|
1976 | } |
|
|
1977 | if (y<0) { |
|
|
1978 | if (!m->tile_path[0]) return 1; |
|
|
1979 | if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) { |
|
|
1980 | load_and_link_tiled_map(m, 0); |
|
|
1981 | } |
|
|
1982 | return (out_of_map(m->tile_map[0], x, y + MAP_HEIGHT(m->tile_map[0]))); |
|
|
1983 | } |
|
|
1984 | if (y>=MAP_HEIGHT(m)) { |
|
|
1985 | if (!m->tile_path[2]) return 1; |
|
|
1986 | if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) { |
|
|
1987 | load_and_link_tiled_map(m, 2); |
|
|
1988 | } |
|
|
1989 | return (out_of_map(m->tile_map[2], x, y - MAP_HEIGHT(m))); |
|
|
1990 | } |
|
|
1991 | |
|
|
1992 | /* Simple case - coordinates are within this local |
|
|
1993 | * map. |
|
|
1994 | */ |
|
|
1995 | return 0; |
1354 | return 0; |
|
|
1355 | |
|
|
1356 | if (x < 0) |
|
|
1357 | { |
|
|
1358 | if (!m->tile_path[3]) |
|
|
1359 | return 1; |
|
|
1360 | |
|
|
1361 | if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) |
|
|
1362 | find_and_link (m, 3); |
|
|
1363 | |
|
|
1364 | return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y); |
|
|
1365 | } |
|
|
1366 | |
|
|
1367 | if (x >= m->width) |
|
|
1368 | { |
|
|
1369 | if (!m->tile_path[1]) |
|
|
1370 | return 1; |
|
|
1371 | |
|
|
1372 | if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) |
|
|
1373 | find_and_link (m, 1); |
|
|
1374 | |
|
|
1375 | return out_of_map (m->tile_map[1], x - m->width, y); |
|
|
1376 | } |
|
|
1377 | |
|
|
1378 | if (y < 0) |
|
|
1379 | { |
|
|
1380 | if (!m->tile_path[0]) |
|
|
1381 | return 1; |
|
|
1382 | |
|
|
1383 | if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) |
|
|
1384 | find_and_link (m, 0); |
|
|
1385 | |
|
|
1386 | return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height); |
|
|
1387 | } |
|
|
1388 | |
|
|
1389 | if (y >= m->height) |
|
|
1390 | { |
|
|
1391 | if (!m->tile_path[2]) |
|
|
1392 | return 1; |
|
|
1393 | |
|
|
1394 | if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) |
|
|
1395 | find_and_link (m, 2); |
|
|
1396 | |
|
|
1397 | return out_of_map (m->tile_map[2], x, y - m->height); |
|
|
1398 | } |
|
|
1399 | |
|
|
1400 | /* Simple case - coordinates are within this local |
|
|
1401 | * map. |
|
|
1402 | */ |
|
|
1403 | return 0; |
1996 | } |
1404 | } |
1997 | |
1405 | |
1998 | /* This is basically the same as out_of_map above, but |
1406 | /* This is basically the same as out_of_map above, but |
1999 | * instead we return NULL if no map is valid (coordinates |
1407 | * instead we return NULL if no map is valid (coordinates |
2000 | * out of bounds and no tiled map), otherwise it returns |
1408 | * out of bounds and no tiled map), otherwise it returns |
2001 | * the map as that the coordinates are really on, and |
1409 | * the map as that the coordinates are really on, and |
2002 | * updates x and y to be the localized coordinates. |
1410 | * updates x and y to be the localised coordinates. |
2003 | * Using this is more efficient of calling out_of_map |
1411 | * Using this is more efficient of calling out_of_map |
2004 | * and then figuring out what the real map is |
1412 | * and then figuring out what the real map is |
2005 | */ |
1413 | */ |
2006 | mapstruct *get_map_from_coord(mapstruct *m, sint16 *x, sint16 *y) |
1414 | maptile * |
|
|
1415 | maptile::xy_find (sint16 &x, sint16 &y) |
2007 | { |
1416 | { |
2008 | |
1417 | if (x < 0) |
2009 | if (*x<0) { |
|
|
2010 | if (!m->tile_path[3]) return NULL; |
|
|
2011 | if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) |
|
|
2012 | load_and_link_tiled_map(m, 3); |
|
|
2013 | |
|
|
2014 | *x += MAP_WIDTH(m->tile_map[3]); |
|
|
2015 | return (get_map_from_coord(m->tile_map[3], x, y)); |
|
|
2016 | } |
1418 | { |
2017 | if (*x>=MAP_WIDTH(m)) { |
1419 | if (!tile_path[3]) |
2018 | if (!m->tile_path[1]) return NULL; |
1420 | return 0; |
2019 | if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) |
|
|
2020 | load_and_link_tiled_map(m, 1); |
|
|
2021 | |
1421 | |
2022 | *x -= MAP_WIDTH(m); |
1422 | find_and_link (this, 3); |
2023 | return (get_map_from_coord(m->tile_map[1], x, y)); |
1423 | x += tile_map[3]->width; |
|
|
1424 | return tile_map[3]->xy_find (x, y); |
|
|
1425 | } |
|
|
1426 | |
|
|
1427 | if (x >= width) |
2024 | } |
1428 | { |
2025 | if (*y<0) { |
1429 | if (!tile_path[1]) |
2026 | if (!m->tile_path[0]) return NULL; |
1430 | return 0; |
2027 | if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) |
|
|
2028 | load_and_link_tiled_map(m, 0); |
|
|
2029 | |
1431 | |
2030 | *y += MAP_HEIGHT(m->tile_map[0]); |
1432 | find_and_link (this, 1); |
2031 | return (get_map_from_coord(m->tile_map[0], x, y)); |
1433 | x -= width; |
|
|
1434 | return tile_map[1]->xy_find (x, y); |
|
|
1435 | } |
|
|
1436 | |
|
|
1437 | if (y < 0) |
2032 | } |
1438 | { |
2033 | if (*y>=MAP_HEIGHT(m)) { |
1439 | if (!tile_path[0]) |
2034 | if (!m->tile_path[2]) return NULL; |
1440 | return 0; |
2035 | if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) |
|
|
2036 | load_and_link_tiled_map(m, 2); |
|
|
2037 | |
1441 | |
2038 | *y -= MAP_HEIGHT(m); |
1442 | find_and_link (this, 0); |
2039 | return (get_map_from_coord(m->tile_map[2], x, y)); |
1443 | y += tile_map[0]->height; |
|
|
1444 | return tile_map[0]->xy_find (x, y); |
|
|
1445 | } |
|
|
1446 | |
|
|
1447 | if (y >= height) |
2040 | } |
1448 | { |
|
|
1449 | if (!tile_path[2]) |
|
|
1450 | return 0; |
2041 | |
1451 | |
|
|
1452 | find_and_link (this, 2); |
|
|
1453 | y -= height; |
|
|
1454 | return tile_map[2]->xy_find (x, y); |
|
|
1455 | } |
|
|
1456 | |
2042 | /* Simple case - coordinates are within this local |
1457 | /* Simple case - coordinates are within this local |
2043 | * map. |
1458 | * map. |
2044 | */ |
1459 | */ |
2045 | |
1460 | return this; |
2046 | return m; |
|
|
2047 | } |
1461 | } |
2048 | |
1462 | |
2049 | /** |
1463 | /** |
2050 | * Return whether map2 is adjacent to map1. If so, store the distance from |
1464 | * Return whether map2 is adjacent to map1. If so, store the distance from |
2051 | * map1 to map2 in dx/dy. |
1465 | * map1 to map2 in dx/dy. |
2052 | */ |
1466 | */ |
|
|
1467 | int |
2053 | static int adjacent_map(const mapstruct *map1, const mapstruct *map2, int *dx, int *dy) { |
1468 | adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy) |
|
|
1469 | { |
2054 | if (!map1 || !map2) |
1470 | if (!map1 || !map2) |
2055 | return 0; |
1471 | return 0; |
2056 | |
1472 | |
|
|
1473 | //TODO: this doesn't actually check corretcly when intermediate maps are not loaded |
|
|
1474 | //fix: compare paths instead (this is likely faster, too!) |
2057 | if (map1 == map2) { |
1475 | if (map1 == map2) |
|
|
1476 | { |
2058 | *dx = 0; |
1477 | *dx = 0; |
2059 | *dy = 0; |
1478 | *dy = 0; |
2060 | |
1479 | } |
2061 | } else if (map1->tile_map[0] == map2) { /* up */ |
1480 | else if (map1->tile_map[0] == map2) |
|
|
1481 | { /* up */ |
2062 | *dx = 0; |
1482 | *dx = 0; |
2063 | *dy = -MAP_HEIGHT(map2); |
1483 | *dy = -map2->height; |
|
|
1484 | } |
2064 | } else if (map1->tile_map[1] == map2) { /* right */ |
1485 | else if (map1->tile_map[1] == map2) |
2065 | *dx = MAP_WIDTH(map1); |
1486 | { /* right */ |
|
|
1487 | *dx = map1->width; |
2066 | *dy = 0; |
1488 | *dy = 0; |
|
|
1489 | } |
2067 | } else if (map1->tile_map[2] == map2) { /* down */ |
1490 | else if (map1->tile_map[2] == map2) |
|
|
1491 | { /* down */ |
2068 | *dx = 0; |
1492 | *dx = 0; |
2069 | *dy = MAP_HEIGHT(map1); |
1493 | *dy = map1->height; |
|
|
1494 | } |
2070 | } else if (map1->tile_map[3] == map2) { /* left */ |
1495 | else if (map1->tile_map[3] == map2) |
2071 | *dx = -MAP_WIDTH(map2); |
1496 | { /* left */ |
|
|
1497 | *dx = -map2->width; |
2072 | *dy = 0; |
1498 | *dy = 0; |
2073 | |
1499 | } |
2074 | } else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2) { /* up right */ |
1500 | else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2) |
|
|
1501 | { /* up right */ |
2075 | *dx = MAP_WIDTH(map1->tile_map[0]); |
1502 | *dx = map1->tile_map[0]->width; |
2076 | *dy = -MAP_HEIGHT(map1->tile_map[0]); |
1503 | *dy = -map1->tile_map[0]->height; |
|
|
1504 | } |
2077 | } else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2) { /* up left */ |
1505 | else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2) |
2078 | *dx = -MAP_WIDTH(map2); |
1506 | { /* up left */ |
2079 | *dy = -MAP_HEIGHT(map1->tile_map[0]); |
1507 | *dx = -map2->width; |
|
|
1508 | *dy = -map1->tile_map[0]->height; |
|
|
1509 | } |
2080 | } else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2) { /* right up */ |
1510 | else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2) |
2081 | *dx = MAP_WIDTH(map1); |
1511 | { /* right up */ |
2082 | *dy = -MAP_HEIGHT(map2); |
1512 | *dx = map1->width; |
|
|
1513 | *dy = -map2->height; |
|
|
1514 | } |
2083 | } else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2) { /* right down */ |
1515 | else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2) |
2084 | *dx = MAP_WIDTH(map1); |
1516 | { /* right down */ |
2085 | *dy = MAP_HEIGHT(map1->tile_map[1]); |
1517 | *dx = map1->width; |
|
|
1518 | *dy = map1->tile_map[1]->height; |
|
|
1519 | } |
2086 | } else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2) { /* down right */ |
1520 | else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2) |
|
|
1521 | { /* down right */ |
2087 | *dx = MAP_WIDTH(map1->tile_map[2]); |
1522 | *dx = map1->tile_map[2]->width; |
2088 | *dy = MAP_HEIGHT(map1); |
1523 | *dy = map1->height; |
|
|
1524 | } |
2089 | } else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2) { /* down left */ |
1525 | else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2) |
2090 | *dx = -MAP_WIDTH(map2); |
1526 | { /* down left */ |
2091 | *dy = MAP_HEIGHT(map1); |
1527 | *dx = -map2->width; |
|
|
1528 | *dy = map1->height; |
|
|
1529 | } |
2092 | } else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2) { /* left up */ |
1530 | else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2) |
|
|
1531 | { /* left up */ |
2093 | *dx = -MAP_WIDTH(map1->tile_map[3]); |
1532 | *dx = -map1->tile_map[3]->width; |
2094 | *dy = -MAP_HEIGHT(map2); |
1533 | *dy = -map2->height; |
|
|
1534 | } |
2095 | } else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2) { /* left down */ |
1535 | else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2) |
|
|
1536 | { /* left down */ |
2096 | *dx = -MAP_WIDTH(map1->tile_map[3]); |
1537 | *dx = -map1->tile_map[3]->width; |
2097 | *dy = MAP_HEIGHT(map1->tile_map[3]); |
1538 | *dy = map1->tile_map[3]->height; |
2098 | |
|
|
2099 | } else { /* not "adjacent" enough */ |
|
|
2100 | return 0; |
|
|
2101 | } |
1539 | } |
2102 | |
1540 | else |
2103 | return 1; |
1541 | return 0; |
|
|
1542 | |
|
|
1543 | return 1; |
|
|
1544 | } |
|
|
1545 | |
|
|
1546 | maptile * |
|
|
1547 | maptile::xy_load (sint16 &x, sint16 &y) |
|
|
1548 | { |
|
|
1549 | maptile *map = xy_find (x, y); |
|
|
1550 | |
|
|
1551 | if (map) |
|
|
1552 | map->load_sync (); |
|
|
1553 | |
|
|
1554 | return map; |
|
|
1555 | } |
|
|
1556 | |
|
|
1557 | maptile * |
|
|
1558 | get_map_from_coord (maptile *m, sint16 *x, sint16 *y) |
|
|
1559 | { |
|
|
1560 | return m->xy_load (*x, *y); |
2104 | } |
1561 | } |
2105 | |
1562 | |
2106 | /* From map.c |
1563 | /* From map.c |
2107 | * This is used by get_player to determine where the other |
1564 | * This is used by get_player to determine where the other |
2108 | * creature is. get_rangevector takes into account map tiling, |
1565 | * creature is. get_rangevector takes into account map tiling, |
2109 | * so you just can not look the the map coordinates and get the |
1566 | * so you just can not look the the map coordinates and get the |
2110 | * righte value. distance_x/y are distance away, which |
1567 | * righte value. distance_x/y are distance away, which |
2111 | * can be negativbe. direction is the crossfire direction scheme |
1568 | * can be negative. direction is the crossfire direction scheme |
2112 | * that the creature should head. part is the part of the |
1569 | * that the creature should head. part is the part of the |
2113 | * monster that is closest. |
1570 | * monster that is closest. |
2114 | * |
1571 | * |
2115 | * get_rangevector looks at op1 and op2, and fills in the |
1572 | * get_rangevector looks at op1 and op2, and fills in the |
2116 | * structure for op1 to get to op2. |
1573 | * structure for op1 to get to op2. |
… | |
… | |
2121 | * be unexpected |
1578 | * be unexpected |
2122 | * |
1579 | * |
2123 | * currently, the only flag supported (0x1) is don't translate for |
1580 | * currently, the only flag supported (0x1) is don't translate for |
2124 | * closest body part of 'op1' |
1581 | * closest body part of 'op1' |
2125 | */ |
1582 | */ |
2126 | |
1583 | void |
2127 | void get_rangevector(object *op1, object *op2, rv_vector *retval, int flags) { |
1584 | get_rangevector (object *op1, object *op2, rv_vector * retval, int flags) |
|
|
1585 | { |
2128 | if (!adjacent_map(op1->map, op2->map, &retval->distance_x, &retval->distance_y)) { |
1586 | if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y)) |
|
|
1587 | { |
2129 | /* be conservative and fill in _some_ data */ |
1588 | /* be conservative and fill in _some_ data */ |
2130 | retval->distance = 100000; |
1589 | retval->distance = 10000; |
2131 | retval->distance_x = 32767; |
1590 | retval->distance_x = 10000; |
2132 | retval->distance_y = 32767; |
1591 | retval->distance_y = 10000; |
2133 | retval->direction = 0; |
1592 | retval->direction = 0; |
2134 | retval->part = 0; |
1593 | retval->part = 0; |
2135 | } else { |
1594 | } |
|
|
1595 | else |
|
|
1596 | { |
2136 | object *best; |
1597 | object *best; |
2137 | |
1598 | |
2138 | retval->distance_x += op2->x-op1->x; |
1599 | retval->distance_x += op2->x - op1->x; |
2139 | retval->distance_y += op2->y-op1->y; |
1600 | retval->distance_y += op2->y - op1->y; |
2140 | |
1601 | |
2141 | best = op1; |
1602 | best = op1; |
2142 | /* If this is multipart, find the closest part now */ |
1603 | /* If this is multipart, find the closest part now */ |
2143 | if (!(flags&0x1) && op1->more) { |
1604 | if (!(flags & 0x1) && op1->more) |
2144 | object *tmp; |
1605 | { |
2145 | int best_distance = retval->distance_x*retval->distance_x+ |
1606 | int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi; |
2146 | retval->distance_y*retval->distance_y, tmpi; |
|
|
2147 | |
1607 | |
2148 | /* we just take the offset of the piece to head to figure |
1608 | /* we just take the offset of the piece to head to figure |
2149 | * distance instead of doing all that work above again |
1609 | * distance instead of doing all that work above again |
2150 | * since the distance fields we set above are positive in the |
1610 | * since the distance fields we set above are positive in the |
2151 | * same axis as is used for multipart objects, the simply arithmetic |
1611 | * same axis as is used for multipart objects, the simply arithmetic |
2152 | * below works. |
1612 | * below works. |
2153 | */ |
1613 | */ |
2154 | for (tmp = op1->more; tmp != NULL; tmp = tmp->more) { |
1614 | for (object *tmp = op1->more; tmp; tmp = tmp->more) |
|
|
1615 | { |
2155 | tmpi = (op1->x-tmp->x+retval->distance_x)*(op1->x-tmp->x+retval->distance_x)+ |
1616 | tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) + |
2156 | (op1->y-tmp->y+retval->distance_y)*(op1->y-tmp->y+retval->distance_y); |
1617 | (op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y); |
2157 | if (tmpi < best_distance) { |
1618 | if (tmpi < best_distance) |
|
|
1619 | { |
2158 | best_distance = tmpi; |
1620 | best_distance = tmpi; |
2159 | best = tmp; |
1621 | best = tmp; |
2160 | } |
1622 | } |
2161 | } |
1623 | } |
|
|
1624 | |
2162 | if (best != op1) { |
1625 | if (best != op1) |
|
|
1626 | { |
2163 | retval->distance_x += op1->x-best->x; |
1627 | retval->distance_x += op1->x - best->x; |
2164 | retval->distance_y += op1->y-best->y; |
1628 | retval->distance_y += op1->y - best->y; |
2165 | } |
1629 | } |
2166 | } |
1630 | } |
|
|
1631 | |
2167 | retval->part = best; |
1632 | retval->part = best; |
2168 | retval->distance = isqrt(retval->distance_x*retval->distance_x+retval->distance_y*retval->distance_y); |
1633 | retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y)); |
2169 | retval->direction = find_dir_2(-retval->distance_x, -retval->distance_y); |
1634 | retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); |
2170 | } |
1635 | } |
2171 | } |
1636 | } |
2172 | |
1637 | |
2173 | /* this is basically the same as get_rangevector above, but instead of |
1638 | /* this is basically the same as get_rangevector above, but instead of |
2174 | * the first parameter being an object, it instead is the map |
1639 | * the first parameter being an object, it instead is the map |
… | |
… | |
2178 | * flags has no meaning for this function at this time - I kept it in to |
1643 | * flags has no meaning for this function at this time - I kept it in to |
2179 | * be more consistant with the above function and also in case they are needed |
1644 | * be more consistant with the above function and also in case they are needed |
2180 | * for something in the future. Also, since no object is pasted, the best |
1645 | * for something in the future. Also, since no object is pasted, the best |
2181 | * field of the rv_vector is set to NULL. |
1646 | * field of the rv_vector is set to NULL. |
2182 | */ |
1647 | */ |
2183 | |
1648 | void |
2184 | void get_rangevector_from_mapcoord(const mapstruct *m, int x, int y, const object *op2, rv_vector *retval, int flags) { |
1649 | get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags) |
|
|
1650 | { |
2185 | if (!adjacent_map(m, op2->map, &retval->distance_x, &retval->distance_y)) { |
1651 | if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y)) |
|
|
1652 | { |
2186 | /* be conservative and fill in _some_ data */ |
1653 | /* be conservative and fill in _some_ data */ |
2187 | retval->distance = 100000; |
1654 | retval->distance = 100000; |
2188 | retval->distance_x = 32767; |
1655 | retval->distance_x = 32767; |
2189 | retval->distance_y = 32767; |
1656 | retval->distance_y = 32767; |
2190 | retval->direction = 0; |
1657 | retval->direction = 0; |
2191 | retval->part = 0; |
1658 | retval->part = 0; |
2192 | } else { |
1659 | } |
|
|
1660 | else |
|
|
1661 | { |
2193 | retval->distance_x += op2->x-x; |
1662 | retval->distance_x += op2->x - x; |
2194 | retval->distance_y += op2->y-y; |
1663 | retval->distance_y += op2->y - y; |
2195 | |
1664 | |
2196 | retval->part = NULL; |
1665 | retval->part = NULL; |
2197 | retval->distance = isqrt(retval->distance_x*retval->distance_x+retval->distance_y*retval->distance_y); |
1666 | retval->distance = idistance (retval->distance_x, retval->distance_y); |
2198 | retval->direction = find_dir_2(-retval->distance_x, -retval->distance_y); |
1667 | retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); |
2199 | } |
1668 | } |
2200 | } |
1669 | } |
2201 | |
1670 | |
2202 | /* Returns true of op1 and op2 are effectively on the same map |
1671 | /* Returns true of op1 and op2 are effectively on the same map |
2203 | * (as related to map tiling). Note that this looks for a path from |
1672 | * (as related to map tiling). Note that this looks for a path from |
2204 | * op1 to op2, so if the tiled maps are assymetric and op2 has a path |
1673 | * op1 to op2, so if the tiled maps are asymetric and op2 has a path |
2205 | * to op1, this will still return false. |
1674 | * to op1, this will still return false. |
2206 | * Note we only look one map out to keep the processing simple |
1675 | * Note we only look one map out to keep the processing simple |
2207 | * and efficient. This could probably be a macro. |
1676 | * and efficient. This could probably be a macro. |
2208 | * MSW 2001-08-05 |
1677 | * MSW 2001-08-05 |
2209 | */ |
1678 | */ |
|
|
1679 | int |
2210 | int on_same_map(const object *op1, const object *op2) { |
1680 | on_same_map (const object *op1, const object *op2) |
|
|
1681 | { |
2211 | int dx, dy; |
1682 | int dx, dy; |
2212 | |
1683 | |
2213 | return adjacent_map(op1->map, op2->map, &dx, &dy); |
1684 | return adjacent_map (op1->map, op2->map, &dx, &dy); |
2214 | } |
1685 | } |
|
|
1686 | |
|
|
1687 | object * |
|
|
1688 | maptile::insert (object *op, int x, int y, object *originator, int flags) |
|
|
1689 | { |
|
|
1690 | if (!op->flag [FLAG_REMOVED]) |
|
|
1691 | op->remove (); |
|
|
1692 | |
|
|
1693 | return insert_ob_in_map_at (op, this, originator, flags, x, y); |
|
|
1694 | } |
|
|
1695 | |
|
|
1696 | region * |
|
|
1697 | maptile::region (int x, int y) const |
|
|
1698 | { |
|
|
1699 | if (regions |
|
|
1700 | && regionmap |
|
|
1701 | && !OUT_OF_REAL_MAP (this, x, y)) |
|
|
1702 | if (struct region *reg = regionmap [regions [y * width + x]]) |
|
|
1703 | return reg; |
|
|
1704 | |
|
|
1705 | if (default_region) |
|
|
1706 | return default_region; |
|
|
1707 | |
|
|
1708 | return ::region::default_region (); |
|
|
1709 | } |
|
|
1710 | |
|
|
1711 | /* picks a random object from a style map. |
|
|
1712 | * Redone by MSW so it should be faster and not use static |
|
|
1713 | * variables to generate tables. |
|
|
1714 | */ |
|
|
1715 | object * |
|
|
1716 | maptile::pick_random_object () const |
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1717 | { |
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1718 | /* while returning a null object will result in a crash, that |
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1719 | * is actually preferable to an infinite loop. That is because |
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1720 | * most servers will automatically restart in case of crash. |
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1721 | * Change the logic on getting the random space - shouldn't make |
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1722 | * any difference, but this seems clearer to me. |
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1723 | */ |
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1724 | for (int i = 1000; --i;) |
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1725 | { |
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1726 | object *pick = at (rndm (width), rndm (height)).bot; |
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1727 | |
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1728 | // do not prefer big monsters just because they are big. |
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1729 | if (pick && pick->head_ () == pick) |
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1730 | return pick->head_ (); |
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1731 | } |
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1732 | |
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1733 | // instead of crashing in the unlikely(?) case, try to return *something* |
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1734 | return get_archetype ("blocked"); |
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1735 | } |
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1736 | |