1 | /* |
1 | /* |
2 | * static char *rcsid_arch_c = |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 | * "$Id: arch.C,v 1.8 2006/08/30 06:06:26 root Exp $"; |
3 | * |
4 | */ |
4 | * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra 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) 2002 Mark Wedel & Crossfire Development Team |
5 | * Copyright (©) 2002,2007 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 | * Deliantra 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 <support@deliantra.net> |
26 | The authors can be reached via e-mail at crossfire-devel@real-time.com |
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27 | */ |
22 | */ |
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23 | |
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24 | #include <cassert> |
28 | |
25 | |
29 | #include <global.h> |
26 | #include <global.h> |
30 | #include <arch.h> |
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31 | #include <funcpoint.h> |
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32 | #include <loader.h> |
27 | #include <loader.h> |
33 | |
28 | |
34 | #include <cassert> |
29 | #include <tr1/functional> |
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30 | #include <tr1/unordered_map> |
35 | |
31 | |
36 | /* IF set, does a little timing on the archetype load. */ |
32 | archetype *loading_arch; // ugly flag to object loader etc. to suppress/request special processing |
37 | #define TIME_ARCH_LOAD 0 |
33 | arch_ptr archetype::empty; |
38 | |
34 | |
39 | static void add_arch(archetype *at); |
35 | // the hashtable |
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36 | typedef std::tr1::unordered_map |
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37 | < |
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38 | const char *, |
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39 | arch_ptr, |
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40 | str_hash, |
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41 | str_equal, |
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42 | slice_allocator< std::pair<const char *const, arch_ptr> > |
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43 | > HT; |
40 | |
44 | |
41 | static archetype *arch_table[ARCHTABLE]; |
45 | static HT ht (10000); |
42 | int arch_cmp=0; /* How many strcmp's */ |
46 | archvec archetypes; |
43 | int arch_search=0; /* How many searches */ |
47 | static unordered_vector<archetype *> allarch; |
44 | int arch_init; /* True if doing arch initialization */ |
48 | static int dirtycnt; |
45 | |
49 | |
46 | /* The naming of these functions is really poor - they are all |
50 | // the vector of other_arch references to be resolved |
47 | * pretty much named '.._arch_...', but they may more may not |
51 | static std::vector< std::pair<arch_ptr *, shstr> > postponed_arch_ref; |
48 | * return archetypes. Some make the arch_to_object call, and thus |
52 | // the vector of loaded but not yet committed archetypes |
49 | * return an object. Perhaps those should be called 'archob' functions |
53 | static std::vector<archetype *> postponed_arch; |
50 | * to denote they return an object derived from the archetype. |
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51 | * MSW 2003-04-29 |
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52 | */ |
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53 | |
54 | |
54 | /** |
55 | /** |
55 | * GROS - This function retrieves an archetype given the name that appears |
56 | * GROS - This function retrieves an archetype given the name that appears |
56 | * during the game (for example, "writing pen" instead of "stylus"). |
57 | * during the game (for example, "writing pen" instead of "stylus"). |
57 | * It does not use the hashtable system, but browse the whole archlist each time. |
58 | * It does not use the hashtable system, but browse the whole archlist each time. |
… | |
… | |
60 | * Params: |
61 | * Params: |
61 | * - name: the name we're searching for (ex: "writing pen"); |
62 | * - name: the name we're searching for (ex: "writing pen"); |
62 | * Return value: |
63 | * Return value: |
63 | * - the archetype found or null if nothing was found. |
64 | * - the archetype found or null if nothing was found. |
64 | */ |
65 | */ |
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66 | archetype * |
65 | archetype *find_archetype_by_object_name(const char *name) { |
67 | find_archetype_by_object_name (const char *name) |
66 | archetype *at; |
68 | { |
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69 | shstr_cmp name_cmp (name); |
67 | |
70 | |
68 | if (name == NULL) |
71 | for_all_archetypes (at) |
69 | return (archetype *) NULL; |
72 | if (at->name == name_cmp) |
70 | |
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71 | for(at = first_archetype;at!=NULL;at=at->next) { |
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72 | if (!strcmp(at->clone.name, name)) |
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73 | return at; |
73 | return at; |
74 | } |
74 | |
75 | return NULL; |
75 | return 0; |
76 | } |
76 | } |
77 | |
77 | |
78 | /** |
78 | /** |
79 | * This function retrieves an archetype by type and name that appears during |
79 | * This function retrieves an archetype by type and name that appears during |
80 | * the game. It is basically the same as find_archetype_by_object_name() |
80 | * the game. It is basically the same as find_archetype_by_object_name() |
81 | * except that it considers only items of the given type. |
81 | * except that it considers only items of the given type. |
82 | */ |
82 | */ |
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83 | archetype * |
83 | archetype *find_archetype_by_object_type_name(int type, const char *name) { |
84 | find_archetype_by_object_type_name (int type, const char *name) |
84 | archetype *at; |
85 | { |
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86 | shstr_cmp name_cmp (name); |
85 | |
87 | |
86 | if (name == NULL) |
88 | for_all_archetypes (at) |
87 | return NULL; |
89 | if (at->name == name_cmp && at->type == type) |
88 | |
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89 | for (at = first_archetype; at != NULL; at = at->next) { |
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90 | if (at->clone.type == type && strcmp(at->clone.name, name) == 0) |
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91 | return at; |
90 | return at; |
92 | } |
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93 | |
91 | |
94 | return NULL; |
92 | return 0; |
95 | } |
93 | } |
96 | |
94 | |
97 | /* This is a lot like the above function. Instead, we are trying to match |
95 | /* This is a lot like the above function. Instead, we are trying to match |
98 | * the arch->skill values. type is the type of object to match |
96 | * the arch->skill values. type is the type of object to match |
99 | * against (eg, to only match against skills or only skill objects for example). |
97 | * against (eg, to only match against skills or only skill objects for example). |
100 | * If type is -1, ew don't match on type. |
98 | * If type is -1, ew don't match on type. |
101 | */ |
99 | */ |
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100 | object * |
102 | object *get_archetype_by_skill_name(const char *skill, int type) { |
101 | get_archetype_by_skill_name (const char *skill, int type) |
103 | archetype *at; |
102 | { |
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103 | shstr_cmp skill_cmp (skill); |
104 | |
104 | |
105 | if (skill == NULL) |
105 | for_all_archetypes (at) |
106 | return NULL; |
106 | if (at->skill == skill_cmp && (type == -1 || type == at->type)) |
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107 | return at->instance (); |
107 | |
108 | |
108 | for(at = first_archetype;at!=NULL;at=at->next) { |
109 | return 0; |
109 | if ( ((type == -1) || (type == at->clone.type)) && |
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110 | (!strcmp(at->clone.skill, skill))) |
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111 | return arch_to_object(at); |
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112 | } |
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113 | return NULL; |
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114 | } |
110 | } |
115 | |
111 | |
116 | /* similiar to above - this returns the first archetype |
112 | /* similiar to above - this returns the first archetype |
117 | * that matches both the type and subtype. type and subtype |
113 | * that matches both the type and subtype. type and subtype |
118 | * can be -1 to say ignore, but in this case, the match it does |
114 | * can be -1 to say ignore, but in this case, the match it does |
119 | * may not be very useful. This function is most useful when |
115 | * may not be very useful. This function is most useful when |
120 | * subtypes are known to be unique for a particular type |
116 | * subtypes are known to be unique for a particular type |
121 | * (eg, skills) |
117 | * (eg, skills) |
122 | */ |
118 | */ |
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119 | archetype * |
123 | archetype *get_archetype_by_type_subtype(int type, int subtype) { |
120 | get_archetype_by_type_subtype (int type, int subtype) |
124 | archetype *at; |
121 | { |
125 | |
122 | for_all_archetypes (at) |
126 | for(at = first_archetype;at!=NULL;at=at->next) { |
123 | if ((type == -1 || type == at->type) && (subtype == -1 || subtype == at->subtype)) |
127 | if ( ((type == -1) || (type == at->clone.type)) && |
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128 | (subtype == -1 || subtype == at->clone.subtype)) |
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129 | return at; |
124 | return at; |
130 | } |
125 | |
131 | return NULL; |
126 | return 0; |
132 | } |
127 | } |
133 | |
128 | |
134 | /** |
129 | /** |
135 | * GROS - this returns a new object given the name that appears during the game |
130 | * GROS - this returns a new object given the name that appears during the game |
136 | * (for example, "writing pen" instead of "stylus"). |
131 | * (for example, "writing pen" instead of "stylus"). |
… | |
… | |
138 | * - name: The name we're searching for (ex: "writing pen"); |
133 | * - name: The name we're searching for (ex: "writing pen"); |
139 | * Return value: |
134 | * Return value: |
140 | * - a corresponding object if found; a singularity object if not found. |
135 | * - a corresponding object if found; a singularity object if not found. |
141 | * Note by MSW - it appears that it takes the full name and keeps |
136 | * Note by MSW - it appears that it takes the full name and keeps |
142 | * shortening it until it finds a match. I re-wrote this so that it |
137 | * shortening it until it finds a match. I re-wrote this so that it |
143 | * doesn't malloc it each time - not that this function is used much, |
138 | * doesn't allocate it each time - not that this function is used much, |
144 | * but it otherwise had a big memory leak. |
139 | * but it otherwise had a big memory leak. |
145 | */ |
140 | */ |
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141 | object * |
146 | object *get_archetype_by_object_name(const char *name) { |
142 | get_archetype_by_object_name (const char *name) |
147 | archetype *at; |
143 | { |
148 | char tmpname[MAX_BUF]; |
144 | char tmpname[MAX_BUF]; |
149 | int i; |
145 | int i; |
150 | |
146 | |
151 | strncpy(tmpname,name,MAX_BUF-1); |
147 | assign (tmpname, name); |
152 | tmpname[MAX_BUF-1] = 0; |
148 | |
153 | for(i=strlen(tmpname); i>0; i--) { |
149 | for (i = strlen (tmpname); i > 0; i--) |
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150 | { |
154 | tmpname[i] = 0; |
151 | tmpname[i] = 0; |
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152 | |
155 | at = find_archetype_by_object_name(tmpname); |
153 | if (archetype *at = find_archetype_by_object_name (tmpname)) |
156 | if (at !=NULL) |
154 | return at->instance (); |
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155 | } |
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156 | |
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157 | return create_singularity (name); |
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158 | } |
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159 | |
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160 | /* This is a subset of the parse_id command. Basically, name can be |
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161 | * a string seperated lists of things to match, with certain keywords. |
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162 | * pl is the player (only needed to set count properly) |
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163 | * op is the item we are trying to match. Calling function takes care |
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164 | * of what action might need to be done and if it is valid |
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165 | * (pickup, drop, etc.) Return NONZERO if we have a match. A higher |
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166 | * value means a better match. 0 means no match. |
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167 | * |
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168 | * Brief outline of the procedure: |
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169 | * We take apart the name variable into the individual components. |
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170 | * cases for 'all' and unpaid are pretty obvious. |
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171 | * Next, we check for a count (either specified in name, or in the |
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172 | * player object.) |
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173 | * If count is 1, make a quick check on the name. |
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174 | * IF count is >1, we need to make plural name. Return if match. |
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175 | * Last, make a check on the full name. |
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176 | */ |
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177 | int |
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178 | item_matched_string (object *pl, object *op, const char *name) |
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179 | { |
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180 | char *cp, local_name[MAX_BUF]; |
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181 | int count, retval = 0; |
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182 | |
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183 | assign (local_name, name); /* strtok is destructive to name */ |
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184 | |
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185 | for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ",")) |
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186 | { |
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187 | while (cp[0] == ' ') |
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188 | ++cp; /* get rid of spaces */ |
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189 | |
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190 | /* LOG(llevDebug,"Trying to match %s\n", cp); */ |
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191 | /* All is a very generic match - low match value */ |
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192 | if (!strcmp (cp, "all")) |
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193 | return 1; |
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194 | |
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195 | /* unpaid is a little more specific */ |
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196 | if (!strcmp (cp, "unpaid") && QUERY_FLAG (op, FLAG_UNPAID)) |
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197 | return 2; |
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198 | if (!strcmp (cp, "cursed") && QUERY_FLAG (op, FLAG_KNOWN_CURSED) && (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED))) |
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199 | return 2; |
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200 | |
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201 | if (!strcmp (cp, "unlocked") && !QUERY_FLAG (op, FLAG_INV_LOCKED)) |
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202 | return 2; |
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203 | |
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204 | /* Allow for things like '100 arrows' */ |
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205 | if ((count = atoi (cp)) != 0) |
157 | { |
206 | { |
158 | return arch_to_object(at); |
207 | cp = strchr (cp, ' '); |
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208 | while (cp && cp[0] == ' ') |
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209 | ++cp; /* get rid of spaces */ |
159 | } |
210 | } |
160 | } |
211 | else |
161 | return create_singularity(name); |
212 | { |
162 | } |
213 | if (pl->type == PLAYER) |
163 | |
214 | count = pl->contr->count; |
164 | /* This is a subset of the parse_id command. Basically, name can be |
215 | else |
165 | * a string seperated lists of things to match, with certain keywords. |
216 | count = 0; |
166 | * pl is the player (only needed to set count properly) |
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167 | * op is the item we are trying to match. Calling function takes care |
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168 | * of what action might need to be done and if it is valid |
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169 | * (pickup, drop, etc.) Return NONZERO if we have a match. A higher |
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170 | * value means a better match. 0 means no match. |
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171 | * |
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172 | * Brief outline of the procedure: |
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173 | * We take apart the name variable into the individual components. |
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174 | * cases for 'all' and unpaid are pretty obvious. |
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175 | * Next, we check for a count (either specified in name, or in the |
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176 | * player object.) |
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177 | * If count is 1, make a quick check on the name. |
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178 | * IF count is >1, we need to make plural name. Return if match. |
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179 | * Last, make a check on the full name. |
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180 | */ |
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181 | int item_matched_string(object *pl, object *op, const char *name) |
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182 | { |
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183 | char *cp, local_name[MAX_BUF]; |
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184 | int count,retval=0; |
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185 | strcpy(local_name, name); /* strtok is destructive to name */ |
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186 | |
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187 | for (cp=strtok(local_name,","); cp; cp=strtok(NULL,",")) { |
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188 | while (cp[0]==' ') ++cp; /* get rid of spaces */ |
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189 | |
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190 | /* LOG(llevDebug,"Trying to match %s\n", cp);*/ |
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191 | /* All is a very generic match - low match value */ |
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192 | if (!strcmp(cp,"all")) return 1; |
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193 | |
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194 | /* unpaid is a little more specific */ |
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195 | if (!strcmp(cp,"unpaid") && QUERY_FLAG(op,FLAG_UNPAID)) return 2; |
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196 | if (!strcmp(cp,"cursed") && QUERY_FLAG(op,FLAG_KNOWN_CURSED) && |
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197 | (QUERY_FLAG(op,FLAG_CURSED) ||QUERY_FLAG(op,FLAG_DAMNED))) |
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198 | return 2; |
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199 | |
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200 | if (!strcmp(cp,"unlocked") && !QUERY_FLAG(op, FLAG_INV_LOCKED)) |
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201 | return 2; |
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202 | |
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203 | /* Allow for things like '100 arrows' */ |
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204 | if ((count=atoi(cp))!=0) { |
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205 | cp=strchr(cp, ' '); |
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206 | while (cp && cp[0]==' ') ++cp; /* get rid of spaces */ |
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207 | } |
217 | } |
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218 | |
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219 | if (!cp || cp[0] == '\0' || count < 0) |
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220 | return 0; |
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221 | |
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222 | |
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223 | /* The code here should go from highest retval to lowest. That |
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224 | * is because of the 'else' handling - we don't want to match on |
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225 | * something and set a low retval, even though it may match a higher retcal |
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226 | * later. So keep it in descending order here, so we try for the best |
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227 | * match first, and work downward. |
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228 | */ |
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229 | if (!strcasecmp (cp, query_name (op))) |
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230 | retval = 20; |
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231 | else if (!strcasecmp (cp, query_short_name (op))) |
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232 | retval = 18; |
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233 | else if (!strcasecmp (cp, query_base_name (op, 0))) |
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234 | retval = 16; |
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235 | else if (!strcasecmp (cp, query_base_name (op, 1))) |
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236 | retval = 16; |
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237 | else if (op->custom_name && !strcasecmp (cp, op->custom_name)) |
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238 | retval = 15; |
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239 | else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp))) |
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240 | retval = 14; |
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241 | else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp))) |
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242 | retval = 14; |
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243 | /* Do substring checks, so things like 'Str+1' will match. |
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244 | * retval of these should perhaps be lower - they are lower |
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245 | * then the specific strcasecmp aboves, but still higher than |
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246 | * some other match criteria. |
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247 | */ |
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248 | else if (strstr (query_base_name (op, 1), cp)) |
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249 | retval = 12; |
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250 | else if (strstr (query_base_name (op, 0), cp)) |
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251 | retval = 12; |
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252 | else if (strstr (query_short_name (op), cp)) |
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253 | retval = 12; |
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254 | /* Check against plural/non plural based on count. */ |
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255 | else if (count > 1 && !strcasecmp (cp, op->name_pl)) |
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256 | retval = 6; |
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257 | else if (count == 1 && !strcasecmp (op->name, cp)) |
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258 | retval = 6; |
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259 | /* base name matched - not bad */ |
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260 | else if (strcasecmp (cp, op->name) == 0 && !count) |
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261 | retval = 4; |
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262 | /* Check for partial custom name, but give a real low priority */ |
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263 | else if (op->custom_name && strstr (op->custom_name, cp)) |
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264 | retval = 3; |
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265 | |
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266 | if (retval) |
208 | else { |
267 | { |
209 | if (pl->type==PLAYER) |
268 | if (pl->type == PLAYER) |
210 | count=pl->contr->count; |
269 | pl->contr->count = count; |
211 | else |
270 | |
212 | count = 0; |
271 | return retval; |
213 | } |
272 | } |
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273 | } |
214 | |
274 | |
215 | if (!cp || cp[0]=='\0' || count<0) return 0; |
275 | return 0; |
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276 | } |
216 | |
277 | |
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278 | archetype::archetype (const char *name) |
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279 | { |
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280 | arch = this; |
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281 | this->archname = this->name = this->name_pl = name; |
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282 | } |
217 | |
283 | |
218 | /* The code here should go from highest retval to lowest. That |
284 | archetype::~archetype () |
219 | * is because of the 'else' handling - we don't want to match on |
285 | { |
220 | * something and set a low retval, even though it may match a higher retcal |
286 | unlink (); |
221 | * later. So keep it in descending order here, so we try for the best |
287 | } |
222 | * match first, and work downward. |
288 | |
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289 | void |
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290 | archetype::link () |
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291 | { |
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292 | if (!archetypes.contains (this)) |
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293 | { |
|
|
294 | archetypes.insert (this); |
|
|
295 | ht.insert (std::make_pair (archname, this)); |
|
|
296 | } |
|
|
297 | } |
|
|
298 | |
|
|
299 | void |
|
|
300 | archetype::unlink () |
|
|
301 | { |
|
|
302 | if (archetypes.contains (this)) |
|
|
303 | { |
|
|
304 | archetypes.erase (this); |
|
|
305 | ht.erase (archname); |
|
|
306 | } |
|
|
307 | } |
|
|
308 | |
|
|
309 | /* |
|
|
310 | * Finds, using the hashtable, which archetype matches the given name. |
|
|
311 | * returns a pointer to the found archetype, otherwise NULL. |
|
|
312 | */ |
|
|
313 | archetype * |
|
|
314 | archetype::find (const char *name) |
|
|
315 | { |
|
|
316 | if (!name) |
|
|
317 | return 0; |
|
|
318 | |
|
|
319 | auto (i, ht.find (name)); |
|
|
320 | |
|
|
321 | if (i == ht.end ()) |
|
|
322 | return 0; |
|
|
323 | else |
|
|
324 | return i->second; |
|
|
325 | } |
|
|
326 | |
|
|
327 | archetype * |
|
|
328 | archetype::read (object_thawer &f) |
|
|
329 | { |
|
|
330 | assert (f.kw == KW_object); |
|
|
331 | |
|
|
332 | std::vector<archetype *> parts; |
|
|
333 | |
|
|
334 | coroapi::cede_to_tick (); |
|
|
335 | |
|
|
336 | for (;;) |
|
|
337 | { |
|
|
338 | archetype *at = new archetype (f.get_str ()); |
|
|
339 | |
|
|
340 | f.next (); |
|
|
341 | |
|
|
342 | #if 0 |
|
|
343 | // implementing it here in the server does neither allow multiple inheritence |
|
|
344 | // nor does it cleanly "just override". it would allow use in map files, though, |
|
|
345 | // and other resource files dynamically laoded (as opposed to being preprocessed). |
|
|
346 | // not that any of this is relevant as of yet... |
|
|
347 | if (f.kw == KW_inherit) |
223 | */ |
348 | { |
224 | if (!strcasecmp(cp,query_name(op))) retval=20; |
349 | if (archetype *at = find (f.get_str ())) |
225 | else if (!strcasecmp(cp,query_short_name(op))) retval=18; |
350 | *op = at->clone; |
226 | else if (!strcasecmp(cp,query_base_name(op,0))) retval=16; |
351 | else |
227 | else if (!strcasecmp(cp,query_base_name(op,1))) retval=16; |
352 | LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n", |
228 | else if (op->custom_name && !strcasecmp(cp,op->custom_name)) retval=15; |
353 | &at->archname, f.get_str ()); |
229 | else if (!strncasecmp(cp,query_base_name(op,0), |
|
|
230 | strlen(cp))) retval=14; |
|
|
231 | else if (!strncasecmp(cp,query_base_name(op,1), |
|
|
232 | strlen(cp))) retval=14; |
|
|
233 | |
354 | |
234 | /* Do substring checks, so things like 'Str+1' will match. |
355 | f.next (); |
235 | * retval of these should perhaps be lower - they are lower |
|
|
236 | * then the specific strcasecmp aboves, but still higher than |
|
|
237 | * some other match criteria. |
|
|
238 | */ |
|
|
239 | else if (strstr(query_base_name(op,1), cp)) retval = 12; |
|
|
240 | else if (strstr(query_base_name(op,0), cp)) retval = 12; |
|
|
241 | else if (strstr(query_short_name(op), cp)) retval = 12; |
|
|
242 | |
|
|
243 | /* Check against plural/non plural based on count. */ |
|
|
244 | else if (count>1 && !strcasecmp(cp,op->name_pl)) { |
|
|
245 | retval=6; |
|
|
246 | } |
356 | } |
247 | else if (count==1 && !strcasecmp(op->name,cp)) { |
357 | #endif |
248 | retval=6; |
358 | |
|
|
359 | loading_arch = at; // hack to tell parse_kv et al. to behave |
|
|
360 | bool parse_ok = at->parse_kv (f); |
|
|
361 | loading_arch = 0; |
|
|
362 | |
|
|
363 | if (!parse_ok) |
|
|
364 | goto fail; |
|
|
365 | |
|
|
366 | loading_arch = at; // hack to tell parse_kv et al. to behave |
|
|
367 | at->post_load_check (); |
|
|
368 | loading_arch = 0; |
|
|
369 | |
|
|
370 | parts.push_back (at); |
|
|
371 | |
|
|
372 | if (f.kw != KW_more) |
|
|
373 | break; |
|
|
374 | |
|
|
375 | f.next (); |
|
|
376 | |
|
|
377 | if (f.kw != KW_object) |
|
|
378 | { |
|
|
379 | f.parse_error ("more object"); |
|
|
380 | goto fail; |
249 | } |
381 | } |
250 | /* base name matched - not bad */ |
382 | } |
251 | else if (strcasecmp(cp,op->name)==0 && !count) retval=4; |
|
|
252 | /* Check for partial custom name, but give a real low priority */ |
|
|
253 | else if (op->custom_name && strstr(op->custom_name, cp)) retval = 3; |
|
|
254 | |
383 | |
255 | if (retval) { |
384 | { |
256 | if (pl->type == PLAYER) |
385 | auto (at, parts.begin ()); |
257 | pl->contr->count=count; |
386 | |
|
|
387 | archetype *new_head = parts.front (); |
|
|
388 | archetype *old_head = find (new_head->archname); |
|
|
389 | |
|
|
390 | if (old_head && !old_head->is_head ()) |
|
|
391 | { |
|
|
392 | LOG (llevError, "%s: unable to overwrite non-head archetype '%s' with head archetype, skipping.\n", |
|
|
393 | &new_head->archname, &old_head->archname); |
|
|
394 | goto fail; |
|
|
395 | } |
|
|
396 | |
|
|
397 | // check that all archetypes belong to the same old object or are new |
|
|
398 | for (auto (at, parts.begin ()); at != parts.end (); ++at) |
|
|
399 | { |
|
|
400 | archetype *new_part = *at; |
|
|
401 | archetype *old_part = find (new_part->archname); |
|
|
402 | |
|
|
403 | if (old_part && old_part->head_ () != old_head) |
|
|
404 | { |
|
|
405 | LOG (llevError, "%s: unable to overwrite archetype '%s' with archetype of different object, skipping.\n", |
|
|
406 | &new_part->archname, &((archetype *)old_part->head_ ())->archname); |
|
|
407 | goto fail; |
|
|
408 | } |
|
|
409 | } |
|
|
410 | |
|
|
411 | // assemble new chain |
|
|
412 | new_head->min_x = new_head->max_x = new_head->x; |
|
|
413 | new_head->min_y = new_head->max_y = new_head->y; |
|
|
414 | |
|
|
415 | archetype *less = new_head; |
|
|
416 | for (auto (p, parts.begin () + 1); p != parts.end (); ++p) |
|
|
417 | { |
|
|
418 | archetype *at = *p; |
|
|
419 | |
|
|
420 | // some flags get inherited from the head (probably a lot more) |
|
|
421 | // doing it here doesn't feel too cozy, but it allows code |
|
|
422 | // to ignore head checks for these flags, which saves time |
|
|
423 | at->flag [FLAG_ALIVE] = new_head->flag [FLAG_ALIVE]; |
|
|
424 | at->flag [FLAG_NO_PICK] = new_head->flag [FLAG_NO_PICK]; |
|
|
425 | at->flag [FLAG_MONSTER] = new_head->flag [FLAG_MONSTER]; |
|
|
426 | at->flag [FLAG_IS_FLOOR] = new_head->flag [FLAG_IS_FLOOR]; |
|
|
427 | |
|
|
428 | new_head->min_x = min (new_head->min_x, at->x); |
|
|
429 | new_head->min_y = min (new_head->min_y, at->y); |
|
|
430 | new_head->max_x = max (new_head->max_x, at->x); |
|
|
431 | new_head->max_y = max (new_head->max_y, at->y); |
|
|
432 | |
|
|
433 | at->head = new_head; |
|
|
434 | less->more = at; |
|
|
435 | less = at; |
|
|
436 | } |
|
|
437 | |
|
|
438 | postponed_arch.insert (postponed_arch.end (), parts.begin (), parts.end ()); |
|
|
439 | |
|
|
440 | return new_head; |
|
|
441 | } |
|
|
442 | |
|
|
443 | fail: |
|
|
444 | for (auto (p, parts.begin ()); p != parts.end (); ++p) |
|
|
445 | (*p)->destroy (true); |
|
|
446 | |
|
|
447 | return 0; |
|
|
448 | } |
|
|
449 | |
|
|
450 | void |
|
|
451 | archetype::postpone_arch_ref (arch_ptr &ref, const_utf8_string other_arch) |
|
|
452 | { |
|
|
453 | ref = 0; |
|
|
454 | postponed_arch_ref.push_back (std::pair<arch_ptr *, shstr>(&ref, shstr (other_arch))); |
|
|
455 | } |
|
|
456 | |
|
|
457 | void |
|
|
458 | archetype::commit_load () |
|
|
459 | { |
|
|
460 | // unlink old archetypes and link in new ones */ |
|
|
461 | for (auto (p, postponed_arch.begin ()); p != postponed_arch.end (); ++p) |
|
|
462 | { |
|
|
463 | archetype *at = *p; |
|
|
464 | |
|
|
465 | if (archetype *old = find (at->archname)) |
|
|
466 | old->unlink (); |
|
|
467 | |
|
|
468 | allarch.push_back (at); |
|
|
469 | |
|
|
470 | at->link (); |
|
|
471 | ++dirtycnt; |
|
|
472 | } |
|
|
473 | |
|
|
474 | postponed_arch.clear (); |
|
|
475 | |
|
|
476 | // now resolve arch references |
|
|
477 | for (auto (p, postponed_arch_ref.begin ()); p != postponed_arch_ref.end (); ++p) |
|
|
478 | { |
|
|
479 | arch_ptr *ap = p->first; |
|
|
480 | archetype *at = find (p->second); |
|
|
481 | |
|
|
482 | if (!at) |
|
|
483 | LOG (llevError, "unable to resolve postponed arch reference to '%s'", &p->second); |
|
|
484 | |
|
|
485 | *ap = at; |
|
|
486 | } |
|
|
487 | |
|
|
488 | postponed_arch_ref.clear (); |
|
|
489 | |
|
|
490 | empty = find (shstr_empty_archetype); |
|
|
491 | } |
|
|
492 | |
|
|
493 | void |
|
|
494 | archetype::gc () |
|
|
495 | { |
|
|
496 | int cnt = max (1, min (allarch.size () / 128, dirtycnt)); |
|
|
497 | dirtycnt = max (0, dirtycnt - cnt); |
|
|
498 | |
|
|
499 | do |
|
|
500 | { |
|
|
501 | static int idx; |
|
|
502 | |
|
|
503 | if (idx >= allarch.size ()) |
|
|
504 | if (idx) |
|
|
505 | idx = 0; |
|
|
506 | else |
258 | return retval; |
507 | return; |
|
|
508 | |
|
|
509 | archetype *at = allarch [idx]; |
|
|
510 | |
|
|
511 | if (at->refcnt_cnt () > 1) // all arches have ONE refcount from their object |
|
|
512 | ++idx; |
|
|
513 | else |
|
|
514 | { |
|
|
515 | LOG (llevDebug, "garbage collect arch %s", at->debug_desc ()); |
|
|
516 | assert (at->arch == at); // verify that refcnt == 1 is truly valid |
|
|
517 | allarch.erase (idx); |
|
|
518 | |
|
|
519 | // break chain |
|
|
520 | for (object *op = at->head_ (); op; ) |
|
|
521 | { |
|
|
522 | object *next = op->more; |
|
|
523 | op->head = 0; |
|
|
524 | op->more = 0; |
|
|
525 | op = next; |
|
|
526 | } |
|
|
527 | |
|
|
528 | op->destroy_inv (false); |
|
|
529 | at->destroy (true); |
|
|
530 | at->arch = 0; |
259 | } |
531 | } |
260 | } |
532 | } |
261 | return 0; |
533 | while (--cnt); |
262 | } |
534 | } |
263 | |
535 | |
264 | /* |
|
|
265 | * Initialises the internal linked list of archetypes (read from file). |
|
|
266 | * Then the global "empty_archetype" pointer is initialised. |
|
|
267 | * Then the blocksview[] array is initialised. |
|
|
268 | */ |
|
|
269 | |
|
|
270 | void init_archetypes(void) { /* called from add_player() and edit() */ |
|
|
271 | if(first_archetype!=NULL) /* Only do this once */ |
|
|
272 | return; |
|
|
273 | arch_init = 1; |
|
|
274 | load_archetypes(); |
|
|
275 | arch_init = 0; |
|
|
276 | empty_archetype=find_archetype("empty_archetype"); |
|
|
277 | /* init_blocksview();*/ |
|
|
278 | } |
|
|
279 | |
|
|
280 | /* |
|
|
281 | * Stores debug-information about how efficient the hashtable |
|
|
282 | * used for archetypes has been in the static errmsg array. |
|
|
283 | */ |
|
|
284 | |
|
|
285 | void arch_info(object *op) { |
|
|
286 | sprintf(errmsg,"%d searches and %d strcmp()'s",arch_search,arch_cmp); |
|
|
287 | new_draw_info(NDI_BLACK, 0, op,errmsg); |
|
|
288 | } |
|
|
289 | |
|
|
290 | /* |
|
|
291 | * Initialise the hashtable used by the archetypes. |
|
|
292 | */ |
|
|
293 | |
|
|
294 | void clear_archetable(void) { |
|
|
295 | memset((void *) arch_table,0,ARCHTABLE*sizeof(archetype *)); |
|
|
296 | } |
|
|
297 | |
|
|
298 | /* |
|
|
299 | * An alternative way to init the hashtable which is slower, but _works_... |
|
|
300 | */ |
|
|
301 | |
|
|
302 | void init_archetable(void) { |
|
|
303 | archetype *at; |
|
|
304 | LOG(llevDebug," Setting up archetable...\n"); |
|
|
305 | for(at=first_archetype;at!=NULL;at=(at->more==NULL)?at->next:at->more) |
|
|
306 | add_arch(at); |
|
|
307 | LOG(llevDebug,"done\n"); |
|
|
308 | } |
|
|
309 | |
|
|
310 | /* |
|
|
311 | * Dumps an archetype to debug-level output. |
|
|
312 | */ |
|
|
313 | |
|
|
314 | void dump_arch(archetype *at) { |
|
|
315 | dump_object(&at->clone); |
|
|
316 | } |
|
|
317 | |
|
|
318 | /* |
|
|
319 | * Dumps _all_ archetypes to debug-level output. |
|
|
320 | * If you run crossfire with debug, and enter DM-mode, you can trigger |
|
|
321 | * this with the O key. |
|
|
322 | */ |
|
|
323 | |
|
|
324 | void dump_all_archetypes(void) { |
|
|
325 | archetype *at; |
|
|
326 | for(at=first_archetype;at!=NULL;at=(at->more==NULL)?at->next:at->more) { |
|
|
327 | dump_arch(at); |
|
|
328 | fprintf(logfile, "%s\n", errmsg); |
|
|
329 | } |
|
|
330 | } |
|
|
331 | |
|
|
332 | void free_all_archs(void) |
|
|
333 | { |
|
|
334 | archetype *at, *next; |
|
|
335 | int i=0,f=0; |
|
|
336 | |
|
|
337 | for (at=first_archetype; at!=NULL; at=next) { |
|
|
338 | if (at->more) next=at->more; |
|
|
339 | else next=at->next; |
|
|
340 | if (at->name) free_string(at->name); |
|
|
341 | if (at->clone.name) free_string(at->clone.name); |
|
|
342 | if (at->clone.name_pl) free_string(at->clone.name_pl); |
|
|
343 | if (at->clone.title) free_string(at->clone.title); |
|
|
344 | if (at->clone.race) free_string(at->clone.race); |
|
|
345 | if (at->clone.slaying) free_string(at->clone.slaying); |
|
|
346 | if (at->clone.msg) free_string(at->clone.msg); |
|
|
347 | free(at); |
|
|
348 | i++; |
|
|
349 | } |
|
|
350 | LOG(llevDebug,"Freed %d archetypes, %d faces\n", i, f); |
|
|
351 | } |
|
|
352 | |
|
|
353 | /* |
|
|
354 | * Allocates, initialises and returns the pointer to an archetype structure. |
|
|
355 | */ |
|
|
356 | |
|
|
357 | archetype *get_archetype_struct(void) { |
|
|
358 | archetype *arch; |
|
|
359 | |
|
|
360 | arch=(archetype *)CALLOC(1,sizeof(archetype)); |
|
|
361 | if(arch==NULL) |
|
|
362 | fatal(OUT_OF_MEMORY); |
|
|
363 | arch->next=NULL; |
|
|
364 | arch->name=NULL; |
|
|
365 | arch->clone.other_arch=NULL; |
|
|
366 | arch->clone.name=NULL; |
|
|
367 | arch->clone.name_pl=NULL; |
|
|
368 | arch->clone.title=NULL; |
|
|
369 | arch->clone.race=NULL; |
|
|
370 | arch->clone.slaying=NULL; |
|
|
371 | arch->clone.msg=NULL; |
|
|
372 | clear_object(&arch->clone); /* to initial state other also */ |
|
|
373 | CLEAR_FLAG((&arch->clone),FLAG_FREED); /* This shouldn't matter, since copy_object() */ |
|
|
374 | SET_FLAG((&arch->clone), FLAG_REMOVED); /* doesn't copy these flags... */ |
|
|
375 | arch->head=NULL; |
|
|
376 | arch->more=NULL; |
|
|
377 | return arch; |
|
|
378 | } |
|
|
379 | |
|
|
380 | /* |
|
|
381 | * Reads/parses the archetype-file, and copies into a linked list |
|
|
382 | * of archetype-structures. |
|
|
383 | */ |
|
|
384 | void first_arch_pass(object_thawer &fp) { |
|
|
385 | object *op; |
|
|
386 | archetype *at,*head=NULL,*last_more=NULL; |
|
|
387 | int i,first=2; |
|
|
388 | |
|
|
389 | op=get_object(); |
|
|
390 | op->arch=first_archetype=at=get_archetype_struct(); |
|
|
391 | |
|
|
392 | while((i=load_object(fp,op,first,0))) { |
|
|
393 | first=0; |
|
|
394 | copy_object(op,&at->clone); |
|
|
395 | at->clone.speed_left= (float) (-0.1); |
|
|
396 | /* copy the body_info to the body_used - this is only really |
|
|
397 | * need for monsters, but doesn't hurt to do it for everything. |
|
|
398 | * by doing so, when a monster is created, it has good starting |
|
|
399 | * values for the body_used info, so when items are created |
|
|
400 | * for it, they can be properly equipped. |
|
|
401 | */ |
|
|
402 | memcpy(&at->clone.body_used, &op->body_info, sizeof(op->body_info)); |
|
|
403 | |
|
|
404 | switch(i) { |
|
|
405 | case LL_NORMAL: /* A new archetype, just link it with the previous */ |
|
|
406 | if(last_more!=NULL) |
|
|
407 | last_more->next=at; |
|
|
408 | if(head!=NULL) |
|
|
409 | head->next=at; |
|
|
410 | head=last_more=at; |
|
|
411 | #if 0 |
|
|
412 | if(!op->type) |
|
|
413 | LOG(llevDebug," WARNING: Archetype %s has no type info!\n", op->arch->name); |
|
|
414 | #endif |
|
|
415 | at->tail_x = 0; |
|
|
416 | at->tail_y = 0; |
|
|
417 | break; |
|
|
418 | |
|
|
419 | case LL_MORE: /* Another part of the previous archetype, link it correctly */ |
|
|
420 | |
|
|
421 | at->head=head; |
|
|
422 | at->clone.head = &head->clone; |
|
|
423 | if(last_more!=NULL) { |
|
|
424 | last_more->more=at; |
|
|
425 | last_more->clone.more = &at->clone; |
|
|
426 | } |
|
|
427 | last_more=at; |
|
|
428 | |
|
|
429 | /* If this multipart image is still composed of individual small |
|
|
430 | * images, don't set the tail_.. values. We can't use them anyways, |
|
|
431 | * and setting these to zero makes the map sending to the client much |
|
|
432 | * easier as just looking at the head, we know what to do. |
|
|
433 | */ |
|
|
434 | if (at->clone.face != head->clone.face) { |
|
|
435 | head->tail_x = 0; |
|
|
436 | head->tail_y = 0; |
|
|
437 | } else { |
|
|
438 | if (at->clone.x > head->tail_x) head->tail_x = at->clone.x; |
|
|
439 | if (at->clone.y > head->tail_y) head->tail_y = at->clone.y; |
|
|
440 | } |
|
|
441 | break; |
|
|
442 | |
|
|
443 | } |
|
|
444 | |
|
|
445 | at=get_archetype_struct(); |
|
|
446 | clear_object(op); |
|
|
447 | op->arch=at; |
|
|
448 | } |
|
|
449 | free(at); |
|
|
450 | free_object(op); |
|
|
451 | } |
|
|
452 | |
|
|
453 | /* |
|
|
454 | * Reads the archetype file once more, and links all pointers between |
|
|
455 | * archetypes. |
|
|
456 | */ |
|
|
457 | |
|
|
458 | void second_arch_pass(FILE *fp) { |
|
|
459 | char buf[MAX_BUF],*variable=buf,*argument,*cp; |
|
|
460 | archetype *at=NULL,*other; |
|
|
461 | |
|
|
462 | while(fgets(buf,MAX_BUF,fp)!=NULL) { |
|
|
463 | if(*buf=='#') |
|
|
464 | continue; |
|
|
465 | if((argument=strchr(buf,' '))!=NULL) { |
|
|
466 | *argument='\0',argument++; |
|
|
467 | cp = argument + strlen(argument)-1; |
|
|
468 | while (isspace(*cp)) { |
|
|
469 | *cp='\0'; |
|
|
470 | cp--; |
|
|
471 | } |
|
|
472 | } |
|
|
473 | if(!strcmp("Object",variable)) { |
|
|
474 | if((at=find_archetype(argument))==NULL) |
|
|
475 | LOG(llevError,"Warning: failed to find arch %s\n",argument); |
|
|
476 | } else if(!strcmp("other_arch",variable)) { |
|
|
477 | if(at!=NULL&&at->clone.other_arch==NULL) { |
|
|
478 | if((other=find_archetype(argument))==NULL) |
|
|
479 | LOG(llevError,"Warning: failed to find other_arch %s\n",argument); |
|
|
480 | else if(at!=NULL) |
|
|
481 | at->clone.other_arch=other; |
|
|
482 | } |
|
|
483 | } else if(!strcmp("randomitems",variable)) { |
|
|
484 | if(at!=NULL) { |
|
|
485 | treasurelist *tl=find_treasurelist(argument); |
|
|
486 | if(tl==NULL) |
|
|
487 | LOG(llevError,"Failed to link treasure to arch (%s): %s\n",at->name, argument); |
|
|
488 | else |
|
|
489 | at->clone.randomitems=tl; |
|
|
490 | } |
|
|
491 | } |
|
|
492 | } |
|
|
493 | } |
|
|
494 | |
|
|
495 | #ifdef DEBUG |
|
|
496 | void check_generators(void) { |
|
|
497 | archetype *at; |
|
|
498 | for(at=first_archetype;at!=NULL;at=at->next) |
|
|
499 | if(QUERY_FLAG(&at->clone,FLAG_GENERATOR)&&at->clone.other_arch==NULL) |
|
|
500 | LOG(llevError,"Warning: %s is generator but lacks other_arch.\n", |
|
|
501 | at->name); |
|
|
502 | } |
|
|
503 | #endif |
|
|
504 | |
|
|
505 | /* |
|
|
506 | * First initialises the archtype hash-table (init_archetable()). |
|
|
507 | * Reads and parses the archetype file (with the first and second-pass |
|
|
508 | * functions). |
|
|
509 | * Then initialises treasures by calling load_treasures(). |
|
|
510 | */ |
|
|
511 | |
|
|
512 | void |
|
|
513 | load_archetypes (void) |
|
|
514 | { |
|
|
515 | char filename[MAX_BUF]; |
|
|
516 | int comp; |
|
|
517 | #if TIME_ARCH_LOAD |
|
|
518 | struct timeval tv1, tv2; |
|
|
519 | #endif |
|
|
520 | |
|
|
521 | sprintf (filename, "%s/%s", settings.datadir, settings.archetypes); |
|
|
522 | LOG (llevDebug, "Reading archetypes from %s:\n", filename); |
|
|
523 | |
|
|
524 | { |
|
|
525 | object_thawer thawer (filename); |
|
|
526 | |
|
|
527 | clear_archetable (); |
|
|
528 | LOG (llevDebug, " arch-pass 1...\n"); |
|
|
529 | first_arch_pass (thawer); |
|
|
530 | LOG (llevDebug, " done\n"); |
|
|
531 | |
|
|
532 | init_archetable (); |
|
|
533 | warn_archetypes = 1; |
|
|
534 | } |
|
|
535 | |
|
|
536 | { |
|
|
537 | object_thawer thawer (filename); |
|
|
538 | |
|
|
539 | LOG (llevDebug, " loading treasure...\n"); |
|
|
540 | load_treasures (); |
|
|
541 | LOG (llevDebug, " done\n arch-pass 2...\n"); |
|
|
542 | second_arch_pass (thawer); |
|
|
543 | LOG (llevDebug, " done\n"); |
|
|
544 | #ifdef DEBUG |
|
|
545 | check_generators (); |
|
|
546 | #endif |
|
|
547 | } |
|
|
548 | LOG (llevDebug, " done\n"); |
|
|
549 | } |
|
|
550 | |
|
|
551 | /* |
|
|
552 | * Creates and returns a new object which is a copy of the given archetype. |
|
|
553 | * This function returns NULL on failure. |
|
|
554 | */ |
|
|
555 | |
|
|
556 | object *arch_to_object(archetype *at) { |
|
|
557 | object *op; |
536 | object * |
558 | if(at==NULL) { |
537 | archetype::instance () |
559 | if(warn_archetypes) |
538 | { |
560 | LOG(llevError,"Couldn't find archetype.\n"); |
539 | object *op = clone (); |
561 | return NULL; |
|
|
562 | } |
|
|
563 | op=get_object(); |
|
|
564 | copy_object(&at->clone,op); |
|
|
565 | op->instantiate (); |
540 | op->instantiate (); |
566 | op->arch=at; |
|
|
567 | return op; |
541 | return op; |
568 | } |
542 | } |
569 | |
543 | |
570 | /* |
544 | /* |
571 | * Creates an object. This function is called by get_archetype() |
545 | * Creates an object. This function is called by get_archetype() |
572 | * if it fails to find the appropriate archetype. |
546 | * if it fails to find the appropriate archetype. |
573 | * Thus get_archetype() will be guaranteed to always return |
547 | * Thus get_archetype() will be guaranteed to always return |
574 | * an object, and never NULL. |
548 | * an object, and never NULL. |
575 | */ |
549 | */ |
576 | |
550 | object * |
577 | object *create_singularity(const char *name) { |
551 | create_singularity (const char *name) |
578 | object *op; |
552 | { |
579 | char buf[MAX_BUF]; |
553 | LOG (llevError | logBacktrace, "FATAL: creating singularity for '%s'.\n", name); |
580 | sprintf(buf,"%s (%s)",ARCH_SINGULARITY,name); |
554 | |
581 | op = get_object(); |
555 | if (!strcmp (name, "bug")) |
582 | op->name = add_string(buf); |
556 | abort (); |
583 | op->name_pl = add_string(buf); |
557 | |
584 | SET_FLAG(op,FLAG_NO_PICK); |
558 | object *op = archetype::get (shstr_bug); |
|
|
559 | op->name = op->name_pl = format ("bug, please report (missing archetype %s)", name); |
|
|
560 | |
585 | return op; |
561 | return op; |
586 | } |
562 | } |
587 | |
563 | |
588 | /* |
564 | /* |
589 | * Finds which archetype matches the given name, and returns a new |
565 | * Finds which archetype matches the given name, and returns a new |
590 | * object containing a copy of the archetype. |
566 | * object containing a copy of the archetype. |
591 | */ |
567 | */ |
592 | |
568 | object * |
593 | object *get_archetype(const char *name) { |
569 | get_archetype (const char *name) |
594 | archetype *at; |
570 | { |
595 | at = find_archetype(name); |
571 | return archetype::get (name); |
596 | if (at == NULL) |
572 | } |
|
|
573 | |
|
|
574 | object * |
|
|
575 | archetype::get (const char *name) |
|
|
576 | { |
|
|
577 | archetype *at = find (name); |
|
|
578 | |
|
|
579 | if (!at) |
597 | return create_singularity(name); |
580 | return create_singularity (name); |
598 | return arch_to_object(at); |
|
|
599 | } |
|
|
600 | |
581 | |
601 | /* |
582 | return at->instance (); |
602 | * Hash-function used by the arch-hashtable. |
|
|
603 | */ |
|
|
604 | |
|
|
605 | unsigned long |
|
|
606 | hasharch(const char *str, int tablesize) { |
|
|
607 | unsigned long hash = 0; |
|
|
608 | int i = 0; |
|
|
609 | const char *p; |
|
|
610 | |
|
|
611 | /* use the one-at-a-time hash function, which supposedly is |
|
|
612 | * better than the djb2-like one used by perl5.005, but |
|
|
613 | * certainly is better then the bug used here before. |
|
|
614 | * see http://burtleburtle.net/bob/hash/doobs.html |
|
|
615 | */ |
|
|
616 | for (p = str; i < MAXSTRING && *p; p++, i++) { |
|
|
617 | hash += *p; |
|
|
618 | hash += hash << 10; |
|
|
619 | hash ^= hash >> 6; |
|
|
620 | } |
|
|
621 | hash += hash << 3; |
|
|
622 | hash ^= hash >> 11; |
|
|
623 | hash += hash << 15; |
|
|
624 | return hash % tablesize; |
|
|
625 | } |
|
|
626 | |
|
|
627 | /* |
|
|
628 | * Finds, using the hashtable, which archetype matches the given name. |
|
|
629 | * returns a pointer to the found archetype, otherwise NULL. |
|
|
630 | */ |
|
|
631 | |
|
|
632 | archetype *find_archetype(const char *name) { |
|
|
633 | archetype *at; |
|
|
634 | unsigned long index; |
|
|
635 | |
|
|
636 | if (name == NULL) |
|
|
637 | return (archetype *) NULL; |
|
|
638 | |
|
|
639 | index=hasharch(name, ARCHTABLE); |
|
|
640 | arch_search++; |
|
|
641 | for(;;) { |
|
|
642 | at = arch_table[index]; |
|
|
643 | if (at==NULL) { |
|
|
644 | if(warn_archetypes) |
|
|
645 | LOG(llevError,"Couldn't find archetype %s\n",name); |
|
|
646 | return NULL; |
|
|
647 | } |
|
|
648 | arch_cmp++; |
|
|
649 | if (!strcmp(at->name,name)) |
|
|
650 | return at; |
|
|
651 | if(++index>=ARCHTABLE) |
|
|
652 | index=0; |
|
|
653 | } |
|
|
654 | } |
|
|
655 | |
|
|
656 | /* |
|
|
657 | * Adds an archetype to the hashtable. |
|
|
658 | */ |
|
|
659 | |
|
|
660 | static void add_arch(archetype *at) { |
|
|
661 | int index=hasharch(at->name, ARCHTABLE),org_index=index; |
|
|
662 | for(;;) { |
|
|
663 | if(arch_table[index]==NULL) { |
|
|
664 | arch_table[index]=at; |
|
|
665 | return; |
|
|
666 | } |
|
|
667 | if(++index==ARCHTABLE) |
|
|
668 | index=0; |
|
|
669 | if(index==org_index) |
|
|
670 | fatal(ARCHTABLE_TOO_SMALL); |
|
|
671 | } |
|
|
672 | } |
583 | } |
673 | |
584 | |
674 | /* |
585 | /* |
675 | * Returns the first archetype using the given type. |
586 | * Returns the first archetype using the given type. |
676 | * Used in treasure-generation. |
587 | * Used in treasure-generation. |
677 | */ |
588 | */ |
678 | |
|
|
679 | archetype *type_to_archetype(int type) { |
|
|
680 | archetype *at; |
589 | archetype * |
681 | |
590 | type_to_archetype (int type) |
682 | for(at=first_archetype;at!=NULL;at=(at->more==NULL)?at->next:at->more) |
591 | { |
683 | if(at->clone.type==type) |
592 | for_all_archetypes (at) |
|
|
593 | if (at->type == type && at->head_ () != at) |
684 | return at; |
594 | return at; |
|
|
595 | |
685 | return NULL; |
596 | return 0; |
686 | } |
597 | } |
687 | |
598 | |
688 | /* |
599 | /* |
689 | * Returns a new object copied from the first archetype matching |
600 | * Returns a new object copied from the first archetype matching |
690 | * the given type. |
601 | * the given type. |
691 | * Used in treasure-generation. |
602 | * Used in treasure-generation. |
692 | */ |
603 | */ |
693 | |
604 | object * |
694 | object *clone_arch(int type) { |
605 | clone_arch (int type) |
695 | archetype *at; |
606 | { |
696 | object *op=get_object(); |
607 | archetype *at = type_to_archetype (type); |
697 | |
608 | |
698 | if((at=type_to_archetype(type))==NULL) { |
609 | if (!at) |
|
|
610 | { |
699 | LOG(llevError,"Can't clone archetype %d\n",type); |
611 | LOG (llevError, "Can't clone archetype %d\n", type); |
700 | free_object(op); |
|
|
701 | return NULL; |
612 | return 0; |
702 | } |
613 | } |
703 | copy_object(&at->clone,op); |
614 | |
704 | op->instantiate (); |
615 | return at->instance (); |
705 | return op; |
|
|
706 | } |
616 | } |
707 | |
617 | |
708 | /* |
618 | /* |
709 | * member: make instance from class |
619 | * member: make instance from class |
710 | */ |
620 | */ |
711 | |
621 | object * |
712 | object *object_create_arch (archetype * at) |
622 | object_create_arch (archetype *at) |
713 | { |
623 | { |
714 | object *op, *prev = NULL, *head = NULL; |
624 | object *op, *prev = 0, *head = 0; |
715 | |
625 | |
716 | while (at) { |
626 | while (at) |
717 | op = arch_to_object (at); |
627 | { |
|
|
628 | op = at->instance (); |
|
|
629 | |
718 | op->x = at->clone.x; |
630 | op->x = at->x; |
719 | op->y = at->clone.y; |
631 | op->y = at->y; |
|
|
632 | |
720 | if (head) |
633 | if (head) |
721 | op->head = head, prev->more = op; |
634 | op->head = head, prev->more = op; |
|
|
635 | |
722 | if (!head) |
636 | if (!head) |
723 | head = op; |
637 | head = op; |
|
|
638 | |
724 | prev = op; |
639 | prev = op; |
725 | at = at->more; |
640 | at = (archetype *)at->more; |
726 | } |
641 | } |
|
|
642 | |
727 | return (head); |
643 | return head; |
728 | } |
644 | } |
729 | |
645 | |
730 | /*** end of arch.c ***/ |
|
|