1 | /* |
1 | /* |
2 | * CrossFire, A Multiplayer game for X-windows |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 | * |
3 | * |
4 | * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
4 | * Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
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6 | * Copyright (C) 1992 Frank Tore Johansen |
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7 | * |
5 | * |
8 | * This program is free software; you can redistribute it and/or modify |
6 | * Deliantra is free software: you can redistribute it and/or modify it under |
9 | * it under the terms of the GNU General Public License as published by |
7 | * the terms of the Affero GNU General Public License as published by the |
10 | * the Free Software Foundation; either version 2 of the License, or |
8 | * Free Software Foundation, either version 3 of the License, or (at your |
11 | * (at your option) any later version. |
9 | * option) any later version. |
12 | * |
10 | * |
13 | * This program is distributed in the hope that it will be useful, |
11 | * This program is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * GNU General Public License for more details. |
14 | * GNU General Public License for more details. |
17 | * |
15 | * |
18 | * You should have received a copy of the GNU General Public License |
16 | * You should have received a copy of the Affero GNU General Public License |
19 | * along with this program; if not, write to the Free Software |
17 | * and the GNU General Public License along with this program. If not, see |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
18 | * <http://www.gnu.org/licenses/>. |
21 | * |
19 | * |
22 | * The maintainer of this code can be reached at <crossfire@schmorp.de> |
20 | * The authors can be reached via e-mail to <support@deliantra.net> |
23 | */ |
21 | */ |
24 | |
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25 | |
22 | |
26 | #include <global.h> |
23 | #include <global.h> |
27 | #include <stdio.h> |
24 | #include <stdio.h> |
28 | |
25 | |
29 | New_Face *new_faces; |
26 | #include "face.h" |
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27 | #include "crc.h" |
30 | |
28 | |
31 | /* bmappair and xbm are used when looking for the image id numbers |
29 | faceidx blank_face, empty_face; |
32 | * of a face by name. xbm is sorted alphabetically so that bsearch |
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33 | * can be used to quickly find the entry for a name. the number is |
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34 | * then an index into the new_faces array. |
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35 | * This data is redundant with new_face information - the difference |
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36 | * is that this data gets sorted, and that doesn't necessarily happen |
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37 | * with the new_face data - when accessing new_face[some number], |
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38 | * that some number corresponds to the face at that number - for |
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39 | * xbm, it may not. At current time, these do in fact match because |
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40 | * the bmaps file is created in a sorted order. |
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41 | */ |
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42 | |
30 | |
43 | struct bmappair |
31 | facehash_t facehash; |
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32 | std::vector<faceinfo> faces; |
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33 | |
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34 | faceidx |
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35 | face_find (const char *name, faceidx defidx) |
44 | { |
36 | { |
45 | char *name; |
37 | if (!name) |
46 | unsigned int number; |
38 | return defidx; |
47 | }; |
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48 | |
39 | |
49 | void free (bmappair *); // guard to catch free when delete should be used |
40 | facehash_t::iterator i = facehash.find (name); |
50 | |
41 | |
51 | static struct bmappair *xbm = NULL; |
42 | return i == facehash.end () |
52 | |
43 | ? defidx : i->second; |
53 | /* Following can just as easily be pointers, but |
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54 | * it is easier to keep them like this. |
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55 | */ |
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56 | New_Face *blank_face, *dark_faces[3], *empty_face, *smooth_face; |
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57 | |
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58 | |
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59 | /* nroffiles is the actual number of bitmaps defined. |
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60 | * nrofpixmaps is the number of bitmaps loaded. With |
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61 | * the automatic generation of the bmaps file, this is now equal |
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62 | * to nroffiles. |
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63 | * |
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64 | * The xbm array (which contains name and number information, and |
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65 | * is then sorted) contains nroffiles entries. the xbm_names |
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66 | * array (which is used for converting the numeric face to |
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67 | * a name) contains nrofpixmaps entries. |
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68 | */ |
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69 | static int nroffiles = 0; |
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70 | int nrofpixmaps = 0; |
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71 | |
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72 | /** |
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73 | * id is the face to smooth, smooth is the 16x2 face used to smooth id. |
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74 | */ |
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75 | struct smoothing:zero_initialised |
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76 | { |
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77 | uint16 id; |
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78 | uint16 smooth; |
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79 | }; |
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80 | |
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81 | void free (smoothing *); // guard to catch free when delete should be used |
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82 | |
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83 | /** |
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84 | * Contains all defined smoothing entries. smooth is an array of nrofsmooth |
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85 | * entries. It is sorted by smooth[].id. |
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86 | */ |
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87 | static struct smoothing *smooth = NULL; |
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88 | int nrofsmooth = 0; |
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89 | |
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90 | /* the only thing this table is used for now is to |
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91 | * translate the colorname in the magicmap field of the |
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92 | * face into a numeric index that is then sent to the |
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93 | * client for magic map commands. The order of this table |
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94 | * must match that of the NDI colors in include/newclient.h. |
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95 | */ |
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96 | static const char *const colorname[] = { |
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97 | "black", /* 0 */ |
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98 | "white", /* 1 */ |
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99 | "blue", /* 2 */ |
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100 | "red", /* 3 */ |
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101 | "orange", /* 4 */ |
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102 | "light_blue", /* 5 */ |
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103 | "dark_orange", /* 6 */ |
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104 | "green", /* 7 */ |
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105 | "light_green", /* 8 */ |
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106 | "grey", /* 9 */ |
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107 | "brown", /* 10 */ |
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108 | "yellow", /* 11 */ |
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109 | "khaki" /* 12 */ |
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110 | }; |
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111 | |
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112 | static int |
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113 | compar (const struct bmappair *a, const struct bmappair *b) |
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114 | { |
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115 | return strcmp (a->name, b->name); |
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116 | } |
44 | } |
117 | |
45 | |
118 | static int |
46 | faceinfo * |
119 | compar_smooth (const struct smoothing *a, const struct smoothing *b) |
47 | face_info (faceidx idx) |
120 | { |
48 | { |
121 | if (a->id < b->id) |
49 | assert (0 < (faceidx)-1); // faceidx must be unsigned |
122 | return -1; |
50 | |
123 | if (b->id < a->id) |
51 | if (idx >= faces.size ()) |
124 | return 1; |
52 | return 0; |
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53 | |
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54 | return &faces [idx]; |
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55 | } |
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56 | |
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57 | facedata * |
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58 | faceinfo::data (int faceset) const |
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59 | { |
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60 | return (facedata *)&(faceset && !type && data64.data.size () ? data64 : data32); |
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61 | } |
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62 | |
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63 | facedata * |
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64 | face_data (faceidx idx, int faceset) |
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65 | { |
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66 | if (faceinfo *f = face_info (idx)) |
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67 | return f->data (faceset); |
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68 | |
125 | return 0; |
69 | return 0; |
126 | } |
70 | } |
127 | |
71 | |
128 | /* |
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129 | * Returns the matching color in the coloralias if found, |
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130 | * 0 otherwise. Note that 0 will actually be black, so there is no |
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131 | * way the calling function can tell if an error occurred or not |
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132 | */ |
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133 | static uint8 |
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134 | find_color (const char *name) |
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135 | { |
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136 | uint8 i; |
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137 | |
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138 | for (i = 0; i < sizeof (colorname) / sizeof (*colorname); i++) |
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139 | if (!strcmp (name, colorname[i])) |
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140 | return i; |
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141 | LOG (llevError, "Unknown color: %s\n", name); |
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142 | return 0; |
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143 | } |
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144 | |
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145 | /* This reads the lib/faces file, getting color and visibility information. |
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146 | * it is called by ReadBmapNames. |
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147 | */ |
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148 | static void |
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149 | ReadFaceData (void) |
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150 | { |
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151 | char buf[MAX_BUF], *cp; |
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152 | New_Face *on_face = NULL; |
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153 | FILE *fp; |
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154 | |
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155 | sprintf (buf, "%s/faces", settings.datadir); |
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156 | LOG (llevDebug, "Reading faces from %s...\n", buf); |
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157 | if ((fp = fopen (buf, "r")) == NULL) |
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158 | { |
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159 | LOG (llevError, "Cannot open faces file %s: %s\n", buf, strerror (errno)); |
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160 | exit (-1); |
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161 | } |
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162 | while (fgets (buf, MAX_BUF, fp) != NULL) |
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163 | { |
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164 | if (*buf == '#') |
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165 | continue; |
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166 | if (!strncmp (buf, "end", 3)) |
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167 | { |
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168 | on_face = NULL; |
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169 | } |
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170 | else if (!strncmp (buf, "face", 4)) |
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171 | { |
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172 | int tmp; |
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173 | |
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174 | cp = buf + 5; |
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175 | cp[strlen (cp) - 1] = '\0'; /* remove newline */ |
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176 | |
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177 | if ((tmp = FindFace (cp, -1)) == -1) |
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178 | { |
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179 | LOG (llevError, "Could not find face %s\n", cp); |
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180 | continue; |
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181 | } |
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182 | on_face = &new_faces[tmp]; |
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183 | on_face->visibility = 0; |
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184 | } |
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185 | else if (on_face == NULL) |
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186 | { |
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187 | LOG (llevError, "Got line with no face set: %s\n", buf); |
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188 | } |
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189 | else if (!strncmp (buf, "color_fg", 8)) |
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190 | { |
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191 | cp = buf + 9; |
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192 | cp[strlen (cp) - 1] = '\0'; |
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193 | if (on_face->magicmap == 255) |
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194 | on_face->magicmap = find_color (cp); |
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195 | } |
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196 | else if (!strncmp (buf, "color_bg", 8)) |
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197 | { |
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198 | /* ignore it */ |
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199 | } |
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200 | else if (!strncmp (buf, "visibility", 10)) |
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201 | { |
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202 | on_face->visibility = atoi (buf + 11); |
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203 | } |
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204 | else if (!strncmp (buf, "magicmap", 8)) |
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205 | { |
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206 | cp = buf + 9; |
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207 | cp[strlen (cp) - 1] = '\0'; |
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208 | on_face->magicmap = find_color (cp); |
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209 | } |
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210 | else if (!strncmp (buf, "is_floor", 8)) |
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211 | { |
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212 | int value = atoi (buf + 9); |
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213 | |
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214 | if (value) |
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215 | on_face->magicmap |= FACE_FLOOR; |
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216 | } |
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217 | else |
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218 | LOG (llevDebug, "Got unknown line in faces file: %s\n", buf); |
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219 | } |
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220 | |
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221 | LOG (llevDebug, "done\n"); |
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222 | fclose (fp); |
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223 | } |
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224 | |
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225 | /* This reads the bmaps file to get all the bitmap names and |
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226 | * stuff. It only needs to be done once, because it is player |
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227 | * independent (ie, what display the person is on will not make a |
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228 | * difference.) |
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229 | */ |
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230 | void |
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231 | ReadBmapNames (void) |
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232 | { |
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233 | char buf[MAX_BUF], *p, *q; |
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234 | FILE *fp; |
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235 | int value, nrofbmaps = 0, i; |
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236 | size_t l; |
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237 | |
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238 | bmaps_checksum = 0; |
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239 | sprintf (buf, "%s/bmaps", settings.datadir); |
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240 | LOG (llevDebug, "Reading bmaps from %s...\n", buf); |
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241 | if ((fp = fopen (buf, "r")) == NULL) |
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242 | { |
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243 | LOG (llevError, "Cannot open bmaps file %s: %s\n", buf, strerror (errno)); |
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244 | exit (-1); |
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245 | } |
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246 | |
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247 | /* First count how many bitmaps we have, so we can allocate correctly */ |
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248 | while (fgets (buf, MAX_BUF, fp) != NULL) |
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249 | if (buf[0] != '#' && buf[0] != '\n') |
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250 | nrofbmaps++; |
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251 | rewind (fp); |
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252 | |
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253 | xbm = new bmappair[nrofbmaps]; |
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254 | memset (xbm, 0, sizeof (struct bmappair) * nrofbmaps); |
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255 | |
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256 | while (nroffiles < nrofbmaps && fgets (buf, MAX_BUF, fp) != NULL) |
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257 | { |
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258 | if (*buf == '#') |
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259 | continue; |
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260 | |
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261 | p = (*buf == '\\') ? (buf + 1) : buf; |
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262 | if (!(p = strtok (p, " \t")) || !(q = strtok (NULL, " \t\n"))) |
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263 | { |
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264 | LOG (llevDebug, "Warning, syntax error: %s\n", buf); |
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265 | continue; |
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266 | } |
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267 | value = atoi (p); |
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268 | xbm[nroffiles].name = strdup (q); |
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269 | |
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270 | /* We need to calculate the checksum of the bmaps file |
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271 | * name->number mapping to send to the client. This does not |
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272 | * need to match what sum or other utility may come up with - |
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273 | * as long as we get the same results on the same real file |
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274 | * data, it does the job as it lets the client know if |
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275 | * the file has the same data or not. |
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276 | */ |
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277 | ROTATE_RIGHT (bmaps_checksum); |
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278 | bmaps_checksum += value & 0xff; |
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279 | bmaps_checksum &= 0xffffffff; |
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280 | |
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281 | ROTATE_RIGHT (bmaps_checksum); |
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282 | bmaps_checksum += (value >> 8) & 0xff; |
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283 | bmaps_checksum &= 0xffffffff; |
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284 | for (l = 0; l < strlen (q); l++) |
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285 | { |
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286 | ROTATE_RIGHT (bmaps_checksum); |
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287 | bmaps_checksum += q[l]; |
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288 | bmaps_checksum &= 0xffffffff; |
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289 | } |
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290 | |
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291 | xbm[nroffiles].number = value; |
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292 | nroffiles++; |
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293 | if (value >= nrofpixmaps) |
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294 | nrofpixmaps = value + 1; |
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295 | } |
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296 | fclose (fp); |
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297 | |
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298 | LOG (llevDebug, "done (got %d/%d/%d)\n", nrofpixmaps, nrofbmaps, nroffiles); |
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299 | |
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300 | new_faces = new New_Face[nrofpixmaps]; |
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301 | |
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302 | for (i = 0; i < nrofpixmaps; i++) |
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303 | { |
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304 | new_faces[i].name = ""; |
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305 | new_faces[i].number = i; |
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306 | new_faces[i].visibility = 0; |
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307 | new_faces[i].magicmap = 255; |
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308 | } |
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309 | for (i = 0; i < nroffiles; i++) |
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310 | { |
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311 | new_faces[xbm[i].number].name = xbm[i].name; |
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312 | } |
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313 | |
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314 | // non-pod datatype, likely not allowed |
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315 | qsort (xbm, nroffiles, sizeof (struct bmappair), (int (*)(const void *, const void *)) compar); |
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316 | |
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317 | ReadFaceData (); |
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318 | |
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319 | for (i = 0; i < nrofpixmaps; i++) |
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320 | { |
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321 | if (new_faces[i].magicmap == 255) |
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322 | { |
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323 | #if 0 /* Useful for initial debugging, not needed now */ |
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324 | LOG (llevDebug, "Face %s still had default magicmap, resetting to black\n", new_faces[i].name); |
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325 | #endif |
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326 | new_faces[i].magicmap = 0; |
|
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327 | } |
|
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328 | } |
|
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329 | /* Actually forcefully setting the colors here probably should not |
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330 | * be done - it could easily create confusion. |
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331 | */ |
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332 | blank_face = &new_faces[FindFace (BLANK_FACE_NAME, 0)]; |
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333 | blank_face->magicmap = find_color ("khaki") | FACE_FLOOR; |
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334 | |
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335 | empty_face = &new_faces[FindFace (EMPTY_FACE_NAME, 0)]; |
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336 | |
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337 | dark_faces[0] = &new_faces[FindFace (DARK_FACE1_NAME, 0)]; |
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338 | dark_faces[1] = &new_faces[FindFace (DARK_FACE2_NAME, 0)]; |
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339 | dark_faces[2] = &new_faces[FindFace (DARK_FACE3_NAME, 0)]; |
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340 | |
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341 | smooth_face = &new_faces[FindFace (SMOOTH_FACE_NAME, 0)]; |
|
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342 | } |
|
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343 | |
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344 | /* This returns an the face number of face 'name'. Number is constant |
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345 | * during an invocation, but not necessarily between versions (this |
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346 | * is because the faces are arranged in alphabetical order, so |
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347 | * if a face is removed or added, all faces after that will now |
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348 | * have a different number. |
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349 | * |
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350 | * the parameter error determines behaviour. If a face is |
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351 | * not found, then error is returned. This can be useful if |
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352 | * you want some default face used, or can be set to negative |
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353 | * so that it will be known that the face could not be found |
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354 | * (needed in client, so that it will know to request that image |
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355 | * from the server) |
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356 | */ |
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357 | int |
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358 | FindFace (const char *name, int error) |
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359 | { |
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360 | struct bmappair *bp, tmp; |
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361 | char *p; |
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362 | |
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363 | if (!name) |
|
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364 | return error; |
|
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365 | |
|
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366 | if ((p = strchr (name, '\n'))) |
|
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367 | *p = '\0'; |
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368 | |
|
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369 | tmp.name = (char *) name; |
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370 | bp = (struct bmappair *) bsearch (&tmp, xbm, nroffiles, sizeof (struct bmappair), (int (*)(const void *, const void *)) compar); |
|
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371 | |
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372 | return bp ? bp->number : error; |
|
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373 | } |
|
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374 | |
|
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375 | /* Reads the smooth file to know how to smooth datas. |
|
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376 | * the smooth file if made of 2 elements lines. |
|
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377 | * lines starting with # are comment |
|
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378 | * the first element of line is face to smooth |
|
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379 | * the next element is the 16x2 faces picture |
|
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380 | * used for smoothing |
|
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381 | */ |
|
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382 | int |
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383 | ReadSmooth (void) |
|
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384 | { |
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385 | char buf[MAX_BUF], *p, *q; |
|
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386 | FILE *fp; |
|
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387 | int smoothcount = 0; |
|
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388 | |
|
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389 | bmaps_checksum = 0; |
|
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390 | sprintf (buf, "%s/smooth", settings.datadir); |
|
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391 | LOG (llevDebug, "Reading smooth from %s...\n", buf); |
|
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392 | if ((fp = fopen (buf, "r")) == NULL) |
|
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393 | { |
|
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394 | LOG (llevError, "Cannot open smooth file %s: %s\n", strerror (errno)); |
|
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395 | exit (-1); |
|
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396 | } |
|
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397 | |
|
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398 | /* First count how many smooth we have, so we can allocate correctly */ |
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399 | while (fgets (buf, MAX_BUF, fp) != NULL) |
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400 | if (buf[0] != '#' && buf[0] != '\n') |
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401 | smoothcount++; |
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402 | rewind (fp); |
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403 | |
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404 | smooth = new smoothing[smoothcount]; |
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405 | |
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406 | while (nrofsmooth < smoothcount && fgets (buf, MAX_BUF, fp) != NULL) |
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407 | { |
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408 | if (*buf == '#') |
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409 | continue; |
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410 | p = strchr (buf, ' '); |
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411 | if (!p) |
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412 | continue; |
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413 | *p = '\0'; |
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414 | q = buf; |
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415 | smooth[nrofsmooth].id = FindFace (q, 0); |
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416 | q = p + 1; |
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417 | smooth[nrofsmooth].smooth = FindFace (q, 0); |
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418 | nrofsmooth++; |
|
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419 | } |
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420 | fclose (fp); |
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|
421 | |
|
|
422 | LOG (llevDebug, "done (got %d smooth entries)\n", nrofsmooth); |
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423 | qsort (smooth, nrofsmooth, sizeof (struct smoothing), (int (*)(const void *, const void *)) compar_smooth); |
|
|
424 | return nrofsmooth; |
|
|
425 | } |
|
|
426 | |
|
|
427 | /** |
|
|
428 | * Find the smooth face for a given face. |
|
|
429 | * |
|
|
430 | * @param face the face to find the smoothing face for |
|
|
431 | * |
|
|
432 | * @param smoothed return value: set to smooth face |
|
|
433 | * |
|
|
434 | * @return 1=smooth face found, 0=no smooth face found |
|
|
435 | */ |
|
|
436 | int |
|
|
437 | FindSmooth (uint16 face, uint16 * smoothed) |
|
|
438 | { |
|
|
439 | struct smoothing *bp, tmp; |
|
|
440 | |
|
|
441 | tmp.id = face; |
|
|
442 | bp = (struct smoothing *) bsearch |
|
|
443 | (&tmp, smooth, nrofsmooth, sizeof (struct smoothing), (int (*)(const void *, const void *)) compar_smooth); |
|
|
444 | (*smoothed) = 0; |
|
|
445 | if (bp) |
|
|
446 | (*smoothed) = bp->smooth; |
|
|
447 | return bp ? 1 : 0; |
|
|
448 | } |
|
|
449 | |
|
|
450 | /** |
|
|
451 | * Deallocates memory allocated by ReadBmapNames() and ReadSmooth(). |
|
|
452 | */ |
|
|
453 | void |
|
|
454 | free_all_images (void) |
|
|
455 | { |
|
|
456 | int i; |
|
|
457 | |
|
|
458 | for (i = 0; i < nroffiles; i++) |
|
|
459 | free (xbm[i].name); |
|
|
460 | |
|
|
461 | delete[]xbm; |
|
|
462 | delete[]new_faces; |
|
|
463 | delete[]smooth; |
|
|
464 | } |
|
|