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 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
5 | * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
6 | * Copyright (C) 1992 Frank Tore Johansen |
6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
7 | * |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify |
8 | * 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 |
9 | * 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 |
10 | * Free Software Foundation, either version 3 of the License, or (at your |
11 | * (at your option) any later version. |
11 | * option) any later version. |
12 | * |
12 | * |
13 | * 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, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * GNU General Public License for more details. |
16 | * GNU General Public License for more details. |
17 | * |
17 | * |
18 | * You should have received a copy of the GNU General Public License |
18 | * 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 |
19 | * and the GNU General Public License along with this program. If not, see |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | * <http://www.gnu.org/licenses/>. |
21 | * |
21 | * |
22 | * The authors can be reached via e-mail at <crossfire@schmorp.de> |
22 | * The authors can be reached via e-mail to <support@deliantra.net> |
23 | */ |
23 | */ |
24 | |
24 | |
25 | #include <cassert> |
25 | #include <cassert> |
26 | |
26 | |
27 | #include <global.h> |
27 | #include <global.h> |
28 | #include <funcpoint.h> |
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29 | #include <loader.h> |
28 | #include <loader.h> |
30 | |
29 | |
31 | #include <tr1/functional> |
30 | #include <tr1/functional> |
32 | #include <tr1/unordered_map> |
31 | #include <tr1/unordered_map> |
33 | |
32 | |
34 | /* The naming of these functions is really poor - they are all |
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35 | * pretty much named '.._arch_...', but they may more may not |
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36 | * return archetypes. Some make the arch_to_object call, and thus |
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37 | * return an object. Perhaps those should be called 'archob' functions |
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38 | * to denote they return an object derived from the archetype. |
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39 | * MSW 2003-04-29 |
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40 | */ |
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41 | |
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42 | bool loading_arch; // ugly flag to object laoder etc. to suppress/request special processing |
33 | archetype *loading_arch; // ugly flag to object loader etc. to suppress/request special processing |
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34 | arch_ptr archetype::empty; |
43 | |
35 | |
44 | // the hashtable |
36 | // the hashtable |
45 | typedef std::tr1::unordered_map |
37 | typedef std::tr1::unordered_map |
46 | < |
38 | < |
47 | const char *, |
39 | const char *, |
… | |
… | |
49 | str_hash, |
41 | str_hash, |
50 | str_equal, |
42 | str_equal, |
51 | slice_allocator< std::pair<const char *const, arch_ptr> > |
43 | slice_allocator< std::pair<const char *const, arch_ptr> > |
52 | > HT; |
44 | > HT; |
53 | |
45 | |
54 | static HT ht (5000); |
46 | static HT ht (10000); |
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47 | archvec archetypes; |
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48 | static unordered_vector<archetype *> allarch; |
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49 | static int dirtycnt; |
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50 | |
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51 | // the vector of other_arch references to be resolved |
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52 | static std::vector< std::pair<arch_ptr *, shstr> > postponed_arch_ref; |
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53 | // the vector of loaded but not yet committed archetypes |
55 | static std::vector<archetype *> archetypes; |
54 | static std::vector<archetype *> postponed_arch; |
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55 | |
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56 | //+GPL |
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57 | |
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58 | /* |
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59 | * Creates an object. This function is called by get_archetype() |
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60 | * if it fails to find the appropriate archetype. |
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61 | * Thus get_archetype() will be guaranteed to always return |
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62 | * an object, and never NULL. |
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63 | */ |
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64 | static object * |
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65 | create_singularity (const char *name) |
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66 | { |
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67 | LOG (llevError | logBacktrace, "FATAL: creating singularity for '%s'.\n", name); |
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68 | |
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69 | if (!strcmp (name, "bug")) |
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70 | abort (); |
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71 | |
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72 | object *op = archetype::get (shstr_bug); |
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73 | op->name = op->name_pl = format ("bug, please report (missing archetype %s)", name); |
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74 | |
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75 | return op; |
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76 | } |
56 | |
77 | |
57 | /** |
78 | /** |
58 | * GROS - This function retrieves an archetype given the name that appears |
79 | * GROS - This function retrieves an archetype given the name that appears |
59 | * during the game (for example, "writing pen" instead of "stylus"). |
80 | * during the game (for example, "writing pen" instead of "stylus"). |
60 | * It does not use the hashtable system, but browse the whole archlist each time. |
81 | * It does not use the hashtable system, but browse the whole archlist each time. |
… | |
… | |
68 | archetype * |
89 | archetype * |
69 | find_archetype_by_object_name (const char *name) |
90 | find_archetype_by_object_name (const char *name) |
70 | { |
91 | { |
71 | shstr_cmp name_cmp (name); |
92 | shstr_cmp name_cmp (name); |
72 | |
93 | |
73 | for (archetype *at = first_archetype; at; at = at->next) |
94 | for_all_archetypes (at) |
74 | if (at->clone.name == name_cmp) |
95 | if (at->name == name_cmp) |
75 | return at; |
96 | return at; |
76 | |
97 | |
77 | return 0; |
98 | return 0; |
78 | } |
99 | } |
79 | |
100 | |
… | |
… | |
85 | archetype * |
106 | archetype * |
86 | find_archetype_by_object_type_name (int type, const char *name) |
107 | find_archetype_by_object_type_name (int type, const char *name) |
87 | { |
108 | { |
88 | shstr_cmp name_cmp (name); |
109 | shstr_cmp name_cmp (name); |
89 | |
110 | |
90 | for (archetype *at = first_archetype; at; at = at->next) |
111 | for_all_archetypes (at) |
91 | if (at->clone.name == name_cmp && at->clone.type == type) |
112 | if (at->name == name_cmp && at->type == type) |
92 | return at; |
113 | return at; |
93 | |
114 | |
94 | return 0; |
115 | return 0; |
95 | } |
116 | } |
96 | |
117 | |
… | |
… | |
102 | object * |
123 | object * |
103 | get_archetype_by_skill_name (const char *skill, int type) |
124 | get_archetype_by_skill_name (const char *skill, int type) |
104 | { |
125 | { |
105 | shstr_cmp skill_cmp (skill); |
126 | shstr_cmp skill_cmp (skill); |
106 | |
127 | |
107 | for (archetype *at = first_archetype; at; at = at->next) |
128 | for_all_archetypes (at) |
108 | if (at->clone.skill == skill_cmp && (type == -1 || type == at->clone.type)) |
129 | if (at->skill == skill_cmp && (type == -1 || type == at->type)) |
109 | return arch_to_object (at); |
130 | return at->instance (); |
110 | |
131 | |
111 | return 0; |
132 | return 0; |
112 | } |
133 | } |
113 | |
134 | |
114 | /* similiar to above - this returns the first archetype |
135 | /* similiar to above - this returns the first archetype |
… | |
… | |
119 | * (eg, skills) |
140 | * (eg, skills) |
120 | */ |
141 | */ |
121 | archetype * |
142 | archetype * |
122 | get_archetype_by_type_subtype (int type, int subtype) |
143 | get_archetype_by_type_subtype (int type, int subtype) |
123 | { |
144 | { |
124 | for (archetype *at = first_archetype; at; at = at->next) |
145 | for_all_archetypes (at) |
125 | if ((type == -1 || type == at->clone.type) && (subtype == -1 || subtype == at->clone.subtype)) |
146 | if ((type == -1 || type == at->type) && (subtype == -1 || subtype == at->subtype)) |
126 | return at; |
147 | return at; |
127 | |
148 | |
128 | return 0; |
149 | return 0; |
129 | } |
150 | } |
130 | |
151 | |
… | |
… | |
135 | * - name: The name we're searching for (ex: "writing pen"); |
156 | * - name: The name we're searching for (ex: "writing pen"); |
136 | * Return value: |
157 | * Return value: |
137 | * - a corresponding object if found; a singularity object if not found. |
158 | * - a corresponding object if found; a singularity object if not found. |
138 | * Note by MSW - it appears that it takes the full name and keeps |
159 | * Note by MSW - it appears that it takes the full name and keeps |
139 | * shortening it until it finds a match. I re-wrote this so that it |
160 | * shortening it until it finds a match. I re-wrote this so that it |
140 | * doesn't malloc it each time - not that this function is used much, |
161 | * doesn't allocate it each time - not that this function is used much, |
141 | * but it otherwise had a big memory leak. |
162 | * but it otherwise had a big memory leak. |
142 | */ |
163 | */ |
143 | object * |
164 | object * |
144 | get_archetype_by_object_name (const char *name) |
165 | get_archetype_by_object_name (const char *name) |
145 | { |
166 | { |
146 | char tmpname[MAX_BUF]; |
167 | char tmpname[MAX_BUF]; |
147 | int i; |
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148 | |
168 | |
149 | assign (tmpname, name); |
169 | assign (tmpname, name); |
150 | |
170 | |
151 | for (i = strlen (tmpname); i > 0; i--) |
171 | for (int i = strlen (tmpname); i > 0; i--) |
152 | { |
172 | { |
153 | tmpname[i] = 0; |
173 | tmpname[i] = 0; |
154 | |
174 | |
155 | if (archetype *at = find_archetype_by_object_name (tmpname)) |
175 | if (archetype *at = find_archetype_by_object_name (tmpname)) |
156 | return arch_to_object (at); |
176 | return at->instance (); |
157 | } |
177 | } |
158 | |
178 | |
159 | return create_singularity (name); |
179 | return create_singularity (name); |
160 | } |
180 | } |
161 | |
181 | |
162 | /* This is a subset of the parse_id command. Basically, name can be |
182 | /* This is a subset of the parse_id command. Basically, name can be |
163 | * a string seperated lists of things to match, with certain keywords. |
183 | * a string seperated lists of things to match, with certain keywords. |
164 | * pl is the player (only needed to set count properly) |
184 | * pl is the player (only needed to set count properly) |
165 | * op is the item we are trying to match. Calling function takes care |
185 | * op is the item we are trying to match. Calling function takes care |
166 | * of what action might need to be done and if it is valid |
186 | * of what action might need to be done and if it is valid |
167 | * (pickup, drop, etc.) Return NONZERO if we have a match. A higher |
187 | * (pickup, drop, etc.) Return NONZERO if we have a match. A higher |
168 | * value means a better match. 0 means no match. |
188 | * value means a better match. 0 means no match. |
169 | * |
189 | * |
170 | * Brief outline of the procedure: |
190 | * Brief outline of the procedure: |
171 | * We take apart the name variable into the individual components. |
191 | * We take apart the name variable into the individual components. |
172 | * cases for 'all' and unpaid are pretty obvious. |
192 | * cases for 'all' and unpaid are pretty obvious. |
173 | * Next, we check for a count (either specified in name, or in the |
193 | * Next, we check for a count (either specified in name, or in the |
174 | * player object.) |
194 | * player object.) |
175 | * If count is 1, make a quick check on the name. |
195 | * If count is 1, make a quick check on the name. |
176 | * IF count is >1, we need to make plural name. Return if match. |
196 | * IF count is >1, we need to make plural name. Return if match. |
177 | * Last, make a check on the full name. |
197 | * Last, make a check on the full name. |
178 | */ |
198 | */ |
179 | int |
199 | int |
180 | item_matched_string (object *pl, object *op, const char *name) |
200 | item_matched_string (object *pl, object *op, const char *name) |
181 | { |
201 | { |
182 | char *cp, local_name[MAX_BUF]; |
202 | char *cp, local_name[MAX_BUF]; |
183 | int count, retval = 0; |
203 | int count, retval = 0; |
… | |
… | |
195 | return 1; |
215 | return 1; |
196 | |
216 | |
197 | /* unpaid is a little more specific */ |
217 | /* unpaid is a little more specific */ |
198 | if (!strcmp (cp, "unpaid") && QUERY_FLAG (op, FLAG_UNPAID)) |
218 | if (!strcmp (cp, "unpaid") && QUERY_FLAG (op, FLAG_UNPAID)) |
199 | return 2; |
219 | return 2; |
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220 | |
200 | if (!strcmp (cp, "cursed") && QUERY_FLAG (op, FLAG_KNOWN_CURSED) && (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED))) |
221 | if (!strcmp (cp, "cursed") && QUERY_FLAG (op, FLAG_KNOWN_CURSED) && (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED))) |
201 | return 2; |
222 | return 2; |
202 | |
223 | |
203 | if (!strcmp (cp, "unlocked") && !QUERY_FLAG (op, FLAG_INV_LOCKED)) |
224 | if (!strcmp (cp, "unlocked") && !QUERY_FLAG (op, FLAG_INV_LOCKED)) |
204 | return 2; |
225 | return 2; |
… | |
… | |
226 | * is because of the 'else' handling - we don't want to match on |
247 | * is because of the 'else' handling - we don't want to match on |
227 | * something and set a low retval, even though it may match a higher retcal |
248 | * something and set a low retval, even though it may match a higher retcal |
228 | * later. So keep it in descending order here, so we try for the best |
249 | * later. So keep it in descending order here, so we try for the best |
229 | * match first, and work downward. |
250 | * match first, and work downward. |
230 | */ |
251 | */ |
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252 | const char *qbn0, *qbn1, *qsn; // query base name/short name caches |
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253 | |
231 | if (!strcasecmp (cp, query_name (op))) |
254 | if (!strcasecmp (cp, query_name (op))) |
232 | retval = 20; |
255 | retval = 20; |
233 | else if (!strcasecmp (cp, query_short_name (op))) |
256 | else if (!strcasecmp (cp, qsn = query_short_name (op))) |
234 | retval = 18; |
257 | retval = 18; |
235 | else if (!strcasecmp (cp, query_base_name (op, 0))) |
258 | else if (!strcasecmp (cp, qbn0 = query_base_name (op, 0))) |
236 | retval = 16; |
259 | retval = 16; |
237 | else if (!strcasecmp (cp, query_base_name (op, 1))) |
260 | else if (!strcasecmp (cp, qbn1 = query_base_name (op, 1))) |
238 | retval = 16; |
261 | retval = 16; |
239 | else if (op->custom_name && !strcasecmp (cp, op->custom_name)) |
262 | else if (op->custom_name && !strcasecmp (cp, op->custom_name)) |
240 | retval = 15; |
263 | retval = 15; |
241 | else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp))) |
264 | else if (!strncasecmp (cp, qbn0, strlen (cp))) |
242 | retval = 14; |
265 | retval = 14; |
243 | else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp))) |
266 | else if (!strncasecmp (cp, qbn1, strlen (cp))) |
244 | retval = 14; |
267 | retval = 14; |
245 | /* Do substring checks, so things like 'Str+1' will match. |
268 | /* Do substring checks, so things like 'Str+1' will match. |
246 | * retval of these should perhaps be lower - they are lower |
269 | * retval of these should perhaps be lower - they are lower |
247 | * then the specific strcasecmp aboves, but still higher than |
270 | * then the specific strcasecmp aboves, but still higher than |
248 | * some other match criteria. |
271 | * some other match criteria. |
249 | */ |
272 | */ |
250 | else if (strstr (query_base_name (op, 1), cp)) |
273 | else if (strstr (qbn1, cp)) |
251 | retval = 12; |
274 | retval = 12; |
252 | else if (strstr (query_base_name (op, 0), cp)) |
275 | else if (strstr (qbn0, cp)) |
253 | retval = 12; |
276 | retval = 12; |
254 | else if (strstr (query_short_name (op), cp)) |
277 | else if (strstr (qsn, cp)) |
255 | retval = 12; |
278 | retval = 12; |
256 | /* Check against plural/non plural based on count. */ |
279 | /* Check against plural/non plural based on count. */ |
257 | else if (count > 1 && !strcasecmp (cp, op->name_pl)) |
280 | else if (count > 1 && !strcasecmp (cp, op->name_pl)) |
258 | retval = 6; |
281 | retval = 6; |
259 | else if (count == 1 && !strcasecmp (op->name, cp)) |
282 | else if (count == 1 && !strcasecmp (op->name, cp)) |
260 | retval = 6; |
283 | retval = 6; |
261 | /* base name matched - not bad */ |
284 | /* base name matched - not bad */ |
262 | else if (strcasecmp (cp, op->name) == 0 && !count) |
285 | else if (strcasecmp (cp, op->name) == 0 && !count) |
263 | retval = 4; |
286 | retval = 4; |
264 | /* Check for partial custom name, but give a real low priority */ |
287 | /* Check for partial custom name, but give a real low priority */ |
265 | else if (op->custom_name && strstr (op->custom_name, cp)) |
288 | else if (op->custom_name.contains (cp)) |
266 | retval = 3; |
289 | retval = 3; |
267 | |
290 | |
268 | if (retval) |
291 | if (retval) |
269 | { |
292 | { |
270 | if (pl->type == PLAYER) |
293 | if (pl->type == PLAYER) |
… | |
… | |
275 | } |
298 | } |
276 | |
299 | |
277 | return 0; |
300 | return 0; |
278 | } |
301 | } |
279 | |
302 | |
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303 | //-GPL |
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304 | |
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305 | archetype::archetype (const char *name) |
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306 | { |
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307 | arch = this; |
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308 | this->archname = this->name = this->name_pl = name; |
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309 | } |
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310 | |
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311 | archetype::~archetype () |
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312 | { |
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313 | unlink (); |
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314 | } |
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315 | |
280 | void |
316 | void |
281 | init_archetypes (void) |
317 | archetype::link () |
282 | { |
318 | { |
283 | load_archetypes (); |
319 | if (!archetypes.contains (this)) |
284 | |
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285 | empty_archetype = archetype::find ("empty_archetype"); |
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286 | } |
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287 | |
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288 | archetype::archetype () |
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289 | { |
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290 | clone.arch = this; |
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291 | |
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292 | CLEAR_FLAG (&clone, FLAG_FREED); /* This shouldn't matter, since copy_to */ |
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293 | SET_FLAG (&clone, FLAG_REMOVED); /* doesn't copy these flags... */ |
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294 | } |
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295 | |
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296 | archetype::~archetype () |
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297 | { |
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298 | //TODO: nuke ->more's |
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299 | } |
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300 | |
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301 | static void |
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302 | unlink (archetype *at) |
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303 | { |
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304 | if (at->head) |
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305 | at = at->head; |
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306 | |
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307 | // destroy this archetype's link, making singletons out of its parts |
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308 | while (at) |
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309 | { |
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310 | archetype *more = at->more; |
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311 | at->clone.destroy_inv (); |
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312 | at->head = at->more = 0; |
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313 | at = more; |
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314 | } |
320 | { |
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321 | archetypes.insert (this); |
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322 | ht.insert (std::make_pair (archname, this)); |
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323 | } |
315 | } |
324 | } |
316 | |
325 | |
317 | // dire hack, need to rationalise |
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318 | void |
326 | void |
319 | overwrite (archetype *at, object *op) |
327 | archetype::unlink () |
320 | { |
328 | { |
321 | at->clone = *op; |
329 | if (archetypes.contains (this)) |
322 | |
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323 | at->clone.arch = at; |
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324 | //TODO: inv et al. |
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325 | } |
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326 | |
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327 | archetype * |
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328 | archetype::read (object_thawer &f) |
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329 | { |
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330 | assert (f.kw == KW_object); |
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331 | |
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332 | archetype *head = get (f.get_str ()); |
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333 | unlink (head); |
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334 | object *op = object::create (); |
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335 | |
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336 | if (!op->parse_kv (f)) |
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337 | { |
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338 | op->destroy (true); |
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339 | // leak head |
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340 | return 0; |
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341 | } |
330 | { |
342 | |
331 | archetypes.erase (this); |
343 | overwrite (head, op); |
332 | ht.erase (archname); |
344 | op->destroy (); |
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345 | |
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346 | for (archetype *prev = head; f.kw == KW_more; ) |
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347 | { |
333 | } |
348 | f.next (); |
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349 | assert (f.kw == KW_object); |
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350 | |
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351 | archetype *more = get (f.get_str ()); |
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352 | unlink (more); |
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353 | object *op = object::create (); |
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354 | |
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355 | if (!op->parse_kv (f)) |
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356 | { |
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357 | op->destroy (true); |
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358 | // leak head more* |
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359 | return 0; |
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|
360 | } |
|
|
361 | |
|
|
362 | overwrite (more, op); |
|
|
363 | op->destroy (); |
|
|
364 | |
|
|
365 | if (more->clone.x > head->tail_x) head->tail_x = more->clone.x; |
|
|
366 | if (more->clone.y > head->tail_y) head->tail_y = more->clone.y; |
|
|
367 | |
|
|
368 | more->head = head; |
|
|
369 | more->clone.head = &head->clone; |
|
|
370 | prev->more = more; |
|
|
371 | prev->clone.more = &more->clone; |
|
|
372 | |
|
|
373 | prev = more; |
|
|
374 | } |
|
|
375 | |
|
|
376 | if (!head->next) |
|
|
377 | { |
|
|
378 | head->next = first_archetype; |
|
|
379 | first_archetype = head; |
|
|
380 | } |
|
|
381 | |
|
|
382 | return head; |
|
|
383 | } |
|
|
384 | |
|
|
385 | /* |
|
|
386 | * Reads/parses the archetype-file, and copies into a linked list |
|
|
387 | * of archetype-structures. |
|
|
388 | */ |
|
|
389 | static bool |
|
|
390 | load_archetypes (object_thawer &f) |
|
|
391 | { |
|
|
392 | for (;;) |
|
|
393 | { |
|
|
394 | switch (f.kw) |
|
|
395 | { |
|
|
396 | case KW_object: |
|
|
397 | loading_arch = true; |
|
|
398 | if (!archetype::read (f)) |
|
|
399 | { |
|
|
400 | loading_arch = false; |
|
|
401 | return false; |
|
|
402 | } |
|
|
403 | |
|
|
404 | loading_arch = false; |
|
|
405 | continue; |
|
|
406 | |
|
|
407 | case KW_EOF: |
|
|
408 | return true; |
|
|
409 | |
|
|
410 | default: |
|
|
411 | if (!f.parse_error ("archetypes file")) |
|
|
412 | return false; |
|
|
413 | } |
|
|
414 | |
|
|
415 | f.next (); |
|
|
416 | } |
|
|
417 | } |
|
|
418 | |
|
|
419 | /* |
|
|
420 | * First initialises the archtype hash-table (init_archetable()). |
|
|
421 | * Reads and parses the archetype file (with the first and second-pass |
|
|
422 | * functions). |
|
|
423 | * Then initialises treasures by calling load_treasures(). |
|
|
424 | */ |
|
|
425 | void |
|
|
426 | load_archetypes (void) |
|
|
427 | { |
|
|
428 | char filename[MAX_BUF]; |
|
|
429 | |
|
|
430 | sprintf (filename, "%s/%s", settings.datadir, settings.archetypes); |
|
|
431 | LOG (llevDebug, "Reading archetypes from %s:\n", filename); |
|
|
432 | |
|
|
433 | object_thawer f (filename); |
|
|
434 | |
|
|
435 | f.next (); |
|
|
436 | |
|
|
437 | if (!load_archetypes (f)) |
|
|
438 | cleanup ("unable to load archetypes"); |
|
|
439 | |
|
|
440 | warn_archetypes = 1; |
|
|
441 | } |
|
|
442 | |
|
|
443 | /* |
|
|
444 | * Creates and returns a new object which is a copy of the given archetype. |
|
|
445 | * This function returns NULL on failure. |
|
|
446 | */ |
|
|
447 | object * |
|
|
448 | arch_to_object (archetype *at) |
|
|
449 | { |
|
|
450 | if (!at) |
|
|
451 | { |
|
|
452 | if (warn_archetypes) |
|
|
453 | LOG (llevError, "Couldn't find archetype.\n"); |
|
|
454 | |
|
|
455 | return NULL; |
|
|
456 | } |
|
|
457 | |
|
|
458 | object *op = at->clone.clone (); |
|
|
459 | op->arch = at; |
|
|
460 | op->instantiate (); |
|
|
461 | return op; |
|
|
462 | } |
|
|
463 | |
|
|
464 | /* |
|
|
465 | * Creates an object. This function is called by get_archetype() |
|
|
466 | * if it fails to find the appropriate archetype. |
|
|
467 | * Thus get_archetype() will be guaranteed to always return |
|
|
468 | * an object, and never NULL. |
|
|
469 | */ |
|
|
470 | object * |
|
|
471 | create_singularity (const char *name) |
|
|
472 | { |
|
|
473 | object *op; |
|
|
474 | char buf[MAX_BUF]; |
|
|
475 | |
|
|
476 | sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name); |
|
|
477 | op = object::create (); |
|
|
478 | op->name = op->name_pl = buf; |
|
|
479 | SET_FLAG (op, FLAG_NO_PICK); |
|
|
480 | return op; |
|
|
481 | } |
|
|
482 | |
|
|
483 | /* |
|
|
484 | * Finds which archetype matches the given name, and returns a new |
|
|
485 | * object containing a copy of the archetype. |
|
|
486 | */ |
|
|
487 | object * |
|
|
488 | get_archetype (const char *name) |
|
|
489 | { |
|
|
490 | archetype *at = archetype::find (name); |
|
|
491 | |
|
|
492 | if (!at) |
|
|
493 | return create_singularity (name); |
|
|
494 | |
|
|
495 | return arch_to_object (at); |
|
|
496 | } |
|
|
497 | |
|
|
498 | /* |
|
|
499 | * Hash-function used by the arch-hashtable. |
|
|
500 | */ |
|
|
501 | |
|
|
502 | unsigned long |
|
|
503 | hasharch (const char *str, int tablesize) |
|
|
504 | { |
|
|
505 | unsigned long hash = 0; |
|
|
506 | unsigned int i = 0; |
|
|
507 | const char *p; |
|
|
508 | |
|
|
509 | /* use the one-at-a-time hash function, which supposedly is |
|
|
510 | * better than the djb2-like one used by perl5.005, but |
|
|
511 | * certainly is better then the bug used here before. |
|
|
512 | * see http://burtleburtle.net/bob/hash/doobs.html |
|
|
513 | */ |
|
|
514 | for (p = str; i < MAXSTRING && *p; p++, i++) |
|
|
515 | { |
|
|
516 | hash += *p; |
|
|
517 | hash += hash << 10; |
|
|
518 | hash ^= hash >> 6; |
|
|
519 | } |
|
|
520 | |
|
|
521 | hash += hash << 3; |
|
|
522 | hash ^= hash >> 11; |
|
|
523 | hash += hash << 15; |
|
|
524 | |
|
|
525 | return hash % tablesize; |
|
|
526 | } |
334 | } |
527 | |
335 | |
528 | /* |
336 | /* |
529 | * Finds, using the hashtable, which archetype matches the given name. |
337 | * Finds, using the hashtable, which archetype matches the given name. |
530 | * returns a pointer to the found archetype, otherwise NULL. |
338 | * returns a pointer to the found archetype, otherwise NULL. |
… | |
… | |
533 | archetype::find (const char *name) |
341 | archetype::find (const char *name) |
534 | { |
342 | { |
535 | if (!name) |
343 | if (!name) |
536 | return 0; |
344 | return 0; |
537 | |
345 | |
538 | AUTODECL (i, ht.find (name)); |
346 | auto (i, ht.find (name)); |
539 | |
347 | |
540 | if (i == ht.end ()) |
348 | if (i == ht.end ()) |
541 | return 0; |
349 | return 0; |
542 | else |
350 | else |
543 | return i->second; |
351 | return i->second; |
544 | } |
352 | } |
545 | |
353 | |
546 | archetype * |
354 | archetype * |
|
|
355 | archetype::read (object_thawer &f) |
|
|
356 | { |
|
|
357 | assert (f.kw == KW_object); |
|
|
358 | |
|
|
359 | std::vector<archetype *> parts; |
|
|
360 | |
|
|
361 | coroapi::cede_to_tick (); |
|
|
362 | |
|
|
363 | for (;;) |
|
|
364 | { |
|
|
365 | archetype *at = new archetype (f.get_str ()); |
|
|
366 | |
|
|
367 | f.next (); |
|
|
368 | |
|
|
369 | #if 0 |
|
|
370 | // implementing it here in the server does neither allow multiple inheritence |
|
|
371 | // nor does it cleanly "just override". it would allow use in map files, though, |
|
|
372 | // and other resource files dynamically laoded (as opposed to being preprocessed). |
|
|
373 | // not that any of this is relevant as of yet... |
|
|
374 | if (f.kw == KW_inherit) |
|
|
375 | { |
|
|
376 | if (archetype *at = find (f.get_str ())) |
|
|
377 | *op = at->clone; |
|
|
378 | else |
|
|
379 | LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n", |
|
|
380 | &at->archname, f.get_str ()); |
|
|
381 | |
|
|
382 | f.next (); |
|
|
383 | } |
|
|
384 | #endif |
|
|
385 | |
|
|
386 | loading_arch = at; // hack to tell parse_kv et al. to behave |
|
|
387 | bool parse_ok = at->parse_kv (f); |
|
|
388 | loading_arch = 0; |
|
|
389 | |
|
|
390 | if (!parse_ok) |
|
|
391 | goto fail; |
|
|
392 | |
|
|
393 | loading_arch = at; // hack to tell parse_kv et al. to behave |
|
|
394 | at->post_load_check (); |
|
|
395 | loading_arch = 0; |
|
|
396 | |
|
|
397 | parts.push_back (at); |
|
|
398 | |
|
|
399 | if (f.kw != KW_more) |
|
|
400 | break; |
|
|
401 | |
|
|
402 | f.next (); |
|
|
403 | |
|
|
404 | if (f.kw != KW_object) |
|
|
405 | { |
|
|
406 | f.parse_error ("more object"); |
|
|
407 | goto fail; |
|
|
408 | } |
|
|
409 | } |
|
|
410 | |
|
|
411 | { |
|
|
412 | auto (at, parts.begin ()); |
|
|
413 | |
|
|
414 | archetype *new_head = parts.front (); |
|
|
415 | archetype *old_head = find (new_head->archname); |
|
|
416 | |
|
|
417 | if (old_head && !old_head->is_head ()) |
|
|
418 | { |
|
|
419 | LOG (llevError, "%s: unable to overwrite non-head archetype '%s' with head archetype, skipping.\n", |
|
|
420 | &new_head->archname, &old_head->archname); |
|
|
421 | goto fail; |
|
|
422 | } |
|
|
423 | |
|
|
424 | // check that all archetypes belong to the same old object or are new |
|
|
425 | for (auto (at, parts.begin ()); at != parts.end (); ++at) |
|
|
426 | { |
|
|
427 | archetype *new_part = *at; |
|
|
428 | archetype *old_part = find (new_part->archname); |
|
|
429 | |
|
|
430 | if (old_part && old_part->head_ () != old_head) |
|
|
431 | { |
|
|
432 | LOG (llevError, "%s: unable to overwrite archetype '%s' with archetype of different object, skipping.\n", |
|
|
433 | &new_part->archname, &((archetype *)old_part->head_ ())->archname); |
|
|
434 | goto fail; |
|
|
435 | } |
|
|
436 | } |
|
|
437 | |
|
|
438 | // assemble new chain |
|
|
439 | new_head->min_x = new_head->max_x = new_head->x; |
|
|
440 | new_head->min_y = new_head->max_y = new_head->y; |
|
|
441 | |
|
|
442 | archetype *less = new_head; |
|
|
443 | for (auto (p, parts.begin () + 1); p != parts.end (); ++p) |
|
|
444 | { |
|
|
445 | archetype *at = *p; |
|
|
446 | |
|
|
447 | // some flags get inherited from the head (probably a lot more) |
|
|
448 | // doing it here doesn't feel too cozy, but it allows code |
|
|
449 | // to ignore head checks for these flags, which saves time |
|
|
450 | at->flag [FLAG_ALIVE] = new_head->flag [FLAG_ALIVE]; |
|
|
451 | at->flag [FLAG_NO_PICK] = new_head->flag [FLAG_NO_PICK]; |
|
|
452 | at->flag [FLAG_MONSTER] = new_head->flag [FLAG_MONSTER]; |
|
|
453 | at->flag [FLAG_IS_FLOOR] = new_head->flag [FLAG_IS_FLOOR]; |
|
|
454 | |
|
|
455 | new_head->min_x = min (new_head->min_x, at->x); |
|
|
456 | new_head->min_y = min (new_head->min_y, at->y); |
|
|
457 | new_head->max_x = max (new_head->max_x, at->x); |
|
|
458 | new_head->max_y = max (new_head->max_y, at->y); |
|
|
459 | |
|
|
460 | at->head = new_head; |
|
|
461 | less->more = at; |
|
|
462 | less = at; |
|
|
463 | } |
|
|
464 | |
|
|
465 | postponed_arch.insert (postponed_arch.end (), parts.begin (), parts.end ()); |
|
|
466 | |
|
|
467 | return new_head; |
|
|
468 | } |
|
|
469 | |
|
|
470 | fail: |
|
|
471 | for (auto (p, parts.begin ()); p != parts.end (); ++p) |
|
|
472 | (*p)->destroy (); |
|
|
473 | |
|
|
474 | return 0; |
|
|
475 | } |
|
|
476 | |
|
|
477 | void |
|
|
478 | archetype::postpone_arch_ref (arch_ptr &ref, const_utf8_string other_arch) |
|
|
479 | { |
|
|
480 | ref = 0; |
|
|
481 | postponed_arch_ref.push_back (std::pair<arch_ptr *, shstr>(&ref, shstr (other_arch))); |
|
|
482 | } |
|
|
483 | |
|
|
484 | void |
|
|
485 | archetype::commit_load () |
|
|
486 | { |
|
|
487 | // unlink old archetypes and link in new ones */ |
|
|
488 | for (auto (p, postponed_arch.begin ()); p != postponed_arch.end (); ++p) |
|
|
489 | { |
|
|
490 | archetype *at = *p; |
|
|
491 | |
|
|
492 | if (archetype *old = find (at->archname)) |
|
|
493 | old->unlink (); |
|
|
494 | |
|
|
495 | allarch.push_back (at); |
|
|
496 | |
|
|
497 | at->link (); |
|
|
498 | ++dirtycnt; |
|
|
499 | } |
|
|
500 | |
|
|
501 | postponed_arch.clear (); |
|
|
502 | |
|
|
503 | // now resolve arch references |
|
|
504 | for (auto (p, postponed_arch_ref.begin ()); p != postponed_arch_ref.end (); ++p) |
|
|
505 | { |
|
|
506 | arch_ptr *ap = p->first; |
|
|
507 | archetype *at = find (p->second); |
|
|
508 | |
|
|
509 | if (!at) |
|
|
510 | LOG (llevError, "unable to resolve postponed arch reference to '%s'", &p->second); |
|
|
511 | |
|
|
512 | *ap = at; |
|
|
513 | } |
|
|
514 | |
|
|
515 | postponed_arch_ref.clear (); |
|
|
516 | |
|
|
517 | empty = find (shstr_empty_archetype); |
|
|
518 | } |
|
|
519 | |
|
|
520 | void |
|
|
521 | archetype::gc () |
|
|
522 | { |
|
|
523 | int cnt = max (1, min (allarch.size () / 128, dirtycnt)); |
|
|
524 | dirtycnt = max (0, dirtycnt - cnt); |
|
|
525 | |
|
|
526 | do |
|
|
527 | { |
|
|
528 | static int idx; |
|
|
529 | |
|
|
530 | if (idx >= allarch.size ()) |
|
|
531 | if (idx) |
|
|
532 | idx = 0; |
|
|
533 | else |
|
|
534 | return; |
|
|
535 | |
|
|
536 | archetype *at = allarch [idx]; |
|
|
537 | |
|
|
538 | if (at->refcnt_cnt () > 1) // all arches have ONE refcount from their object |
|
|
539 | ++idx; |
|
|
540 | else |
|
|
541 | { |
|
|
542 | LOG (llevDebug, "garbage collect arch %s", &at->archname); |
|
|
543 | assert (at->arch == at); // verify that refcnt == 1 is truly valid |
|
|
544 | allarch.erase (idx); |
|
|
545 | |
|
|
546 | // break chain |
|
|
547 | for (object *op = at->head_ (); op; ) |
|
|
548 | { |
|
|
549 | object *next = op->more; |
|
|
550 | op->head = 0; |
|
|
551 | op->more = 0; |
|
|
552 | op = next; |
|
|
553 | } |
|
|
554 | |
|
|
555 | at->destroy (); |
|
|
556 | at->arch = 0; |
|
|
557 | } |
|
|
558 | } |
|
|
559 | while (--cnt); |
|
|
560 | } |
|
|
561 | |
|
|
562 | object * |
|
|
563 | archetype::instance () |
|
|
564 | { |
|
|
565 | object *op = clone (); |
|
|
566 | op->instantiate (); |
|
|
567 | return op; |
|
|
568 | } |
|
|
569 | |
|
|
570 | //+GPL |
|
|
571 | |
|
|
572 | /* |
|
|
573 | * Finds which archetype matches the given name, and returns a new |
|
|
574 | * object containing a copy of the archetype. |
|
|
575 | */ |
|
|
576 | object * |
|
|
577 | get_archetype (const char *name) |
|
|
578 | { |
|
|
579 | return archetype::get (name); |
|
|
580 | } |
|
|
581 | |
|
|
582 | object * |
547 | archetype::get (const char *name) |
583 | archetype::get (const char *name) |
548 | { |
584 | { |
549 | archetype *at = find (name); |
585 | archetype *at = find (name); |
550 | |
586 | |
551 | if (!at) |
587 | if (!at) |
552 | { |
588 | return create_singularity (name); |
553 | archetypes.push_back (at = new archetype); |
|
|
554 | at->name = name; |
|
|
555 | at->hash_add (); |
|
|
556 | } |
|
|
557 | |
589 | |
558 | return at; |
590 | return at->instance (); |
559 | } |
|
|
560 | |
|
|
561 | /* |
|
|
562 | * Adds an archetype to the hashtable. |
|
|
563 | */ |
|
|
564 | void |
|
|
565 | archetype::hash_add () |
|
|
566 | { |
|
|
567 | ht.insert (std::make_pair (name, this)); |
|
|
568 | } |
|
|
569 | |
|
|
570 | void |
|
|
571 | archetype::hash_del () |
|
|
572 | { |
|
|
573 | ht.erase (name); |
|
|
574 | } |
591 | } |
575 | |
592 | |
576 | /* |
593 | /* |
577 | * Returns the first archetype using the given type. |
594 | * Returns the first archetype using the given type. |
578 | * Used in treasure-generation. |
595 | * Used in treasure-generation. |
579 | */ |
596 | */ |
580 | archetype * |
597 | archetype * |
581 | type_to_archetype (int type) |
598 | type_to_archetype (int type) |
582 | { |
599 | { |
583 | for (archetype *at = first_archetype; at; at = at->more == 0 ? at->next : at->more) |
600 | for_all_archetypes (at) |
584 | if (at->clone.type == type) |
601 | if (at->type == type && at->head_ () != at) |
585 | return at; |
602 | return at; |
586 | |
603 | |
587 | return 0; |
604 | return 0; |
588 | } |
605 | } |
589 | |
606 | |
… | |
… | |
593 | * Used in treasure-generation. |
610 | * Used in treasure-generation. |
594 | */ |
611 | */ |
595 | object * |
612 | object * |
596 | clone_arch (int type) |
613 | clone_arch (int type) |
597 | { |
614 | { |
598 | archetype *at; |
615 | archetype *at = type_to_archetype (type); |
599 | |
616 | |
600 | if ((at = type_to_archetype (type)) == NULL) |
617 | if (!at) |
601 | { |
618 | { |
602 | LOG (llevError, "Can't clone archetype %d\n", type); |
619 | LOG (llevError, "Can't clone archetype %d\n", type); |
603 | return 0; |
620 | return 0; |
604 | } |
621 | } |
605 | |
622 | |
606 | object *op = at->clone.clone (); |
623 | return at->instance (); |
607 | op->instantiate (); |
|
|
608 | return op; |
|
|
609 | } |
624 | } |
610 | |
625 | |
611 | /* |
626 | /* |
612 | * member: make instance from class |
627 | * member: make instance from class |
613 | */ |
628 | */ |
614 | |
|
|
615 | object * |
629 | object * |
616 | object_create_arch (archetype *at) |
630 | object_create_arch (archetype *at) |
617 | { |
631 | { |
618 | object *op, *prev = 0, *head = 0; |
632 | object *op, *prev = 0, *head = 0; |
619 | |
633 | |
620 | while (at) |
634 | while (at) |
621 | { |
635 | { |
622 | op = arch_to_object (at); |
636 | op = at->instance (); |
|
|
637 | |
623 | op->x = at->clone.x; |
638 | op->x = at->x; |
624 | op->y = at->clone.y; |
639 | op->y = at->y; |
625 | |
640 | |
626 | if (head) |
641 | if (head) |
627 | op->head = head, prev->more = op; |
642 | op->head = head, prev->more = op; |
628 | |
643 | |
629 | if (!head) |
644 | if (!head) |
630 | head = op; |
645 | head = op; |
631 | |
646 | |
632 | prev = op; |
647 | prev = op; |
633 | at = at->more; |
648 | at = (archetype *)at->more; |
634 | } |
649 | } |
635 | |
650 | |
636 | return (head); |
651 | return head; |
637 | } |
652 | } |
638 | |
653 | |
|
|
654 | //-GPL |
|
|
655 | |