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/cvs/deliantra/server/common/material.C
Revision: 1.14
Committed: Thu Apr 29 12:24:04 2010 UTC (14 years, 1 month ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.13: +34 -10 lines
Log Message:
correctly flag parse errors for materials

File Contents

# User Rev Content
1 root 1.1 /*
2     * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3     *
4 root 1.10 * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 root 1.9 * Copyright (©) 2002 Mark Wedel & Crossfire Development Team
6     * Copyright (©) 1992 Frank Tore Johansen
7 root 1.1 *
8     * Deliantra is free software: you can redistribute it and/or modify it under
9     * the terms of the Affero GNU General Public License as published by the
10     * Free Software Foundation, either version 3 of the License, or (at your
11     * option) any later version.
12     *
13     * This program is distributed in the hope that it will be useful,
14     * but WITHOUT ANY WARRANTY; without even the implied warranty of
15     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16     * GNU General Public License for more details.
17     *
18     * You should have received a copy of the Affero GNU General Public License
19     * and the GNU General Public License along with this program. If not, see
20     * <http://www.gnu.org/licenses/>.
21     *
22     * The authors can be reached via e-mail to <support@deliantra.net>
23     */
24    
25     #include <global.h>
26     #include <material.h>
27    
28 root 1.3 //+GPL
29    
30 root 1.5 materialtype_t *materialt;
31    
32     /*
33     materialtype material[NROFMATERIALS] = {
34     * P M F E C C A D W G P S P T F C D D C C G H B I *
35     * H A I L O O C R E H O L A U E A E E H O O O L N *
36     * Y G R E L N I A A O I O R R A N P A A U D L I T *
37     * S I E C D F D I P S S W A N R C L T O N Y N R *
38     * I C T U N O T O L E E H S T P D N *
39     {"paper", {15,10,17, 9, 5, 7,13, 0,20,15, 0,0,0,0,0,10,0,0,0,0,0,0,0,0}},
40     {"metal", { 2,12, 3,12, 2,10, 7, 0,20,15, 0,0,0,0,0,10,0,0,0,0,0,0,0,0}},
41     {"glass", {14,11, 8, 3,10, 5, 1, 0,20,15, 0,0,0,0,0, 0,0,0,0,0,0,0,0,0}},
42     {"leather", { 5,10,10, 3, 3,10,10, 0,20,15, 0,0,0,0,0,12,0,0,0,0,0,0,0,0}},
43     {"wood", {10,11,13, 2, 2,10, 9, 0,20,15, 0,0,0,0,0,12,0,0,0,0,0,0,0,0}},
44     {"organics", { 3,12, 9,11, 3,10, 9, 0,20,15, 0,0,0,0,0, 0,0,0,0,0,0,0,0,0}},
45     {"stone", { 2, 5, 2, 2, 2, 2, 1, 0,20,15, 0,0,0,0,0, 5,0,0,0,0,0,0,0,0}},
46     {"cloth", {14,11,13, 4, 4, 5,10, 0,20,15, 0,0,0,0,0, 5,0,0,0,0,0,0,0,0}},
47     {"adamant", { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0, 0,0,0,0,0,0,0,0,0}},
48     {"liquid", { 0, 8, 9, 6,17, 0,15, 0,20,15,12,0,0,0,0,11,0,0,0,0,0,0,0,0}},
49     {"soft metal",{ 6,12, 6,14, 2,10, 1, 0,20,15, 0,0,0,0,0,10,0,0,0,0,0,0,0,0}},
50     {"bone", {10, 9, 4, 5, 3,10,10, 0,20,15, 0,0,0,0,0, 2,0,0,0,0,0,0,0,0}},
51     {"ice", {14,11,16, 5, 0, 5, 6, 0,20,15, 0,0,0,0,0, 7,0,0,0,0,0,0,0,0}}
52     };
53     */
54    
55     materialtype_t::materialtype_t ()
56     {
57     next = 0;
58     name = shstr_unknown;
59     description = shstr_unknown_material_description;
60     material = 0;
61    
62     for (int i = 0; i < NROFATTACKS; i++)
63     {
64 root 1.6 save [i] = 0;
65     mod [i] = 0;
66 root 1.5 }
67    
68     chance = 0;
69     difficulty = 0;
70     magic = 0;
71     damage = 0;
72     wc = 0;
73     ac = 0;
74     sp = 0;
75     weight = 100;
76     value = 100;
77     density = 1000;
78     }
79    
80 root 1.14 // create a new material of the given name
81     static materialtype_t *
82     dummy_material (shstr_tmp name)
83 root 1.1 {
84 root 1.5 materialtype_t *mt = new materialtype_t;
85     mt->name = name;
86    
87 root 1.6 // make it susceptible to attacks
88     for (int i = 0; i < NROFATTACKS; i++)
89     {
90     mt->save [i] = 10;
91     mt->mod [i] = 9;
92     }
93    
94     mt->next = materialt; materialt = mt;
95 root 1.5
96     return mt;
97 root 1.1 }
98    
99 root 1.14 /* convert materialname to materialtype_t */
100     materialtype_t *
101     name_to_material (const shstr_tmp name)
102     {
103     for (materialtype_t *mt = materialt; mt; mt = mt->next)
104     if (name == mt->name)
105     return mt;
106    
107     LOG (llevError, "name_to_material called with nonexistent material '%s'\n", &name);
108    
109     return dummy_material (name);
110     }
111    
112     void
113     object_thawer::get (materialtype_t *&m) const
114     {
115     shstr name;
116     get (name);
117    
118     for (materialtype_t *mt = materialt; mt; mt = mt->next)
119     if (name == mt->name)
120     {
121     m = mt;
122     return;
123     }
124    
125     parse_error (format ("material called %s requested, but not found, creating dummy material.\n", &name));
126    
127     m = dummy_material (name);
128     }
129    
130 root 1.1 /* when doing transmutation of objects, we have to recheck the resistances,
131     * as some that did not apply previously, may apply now.
132     */
133     void
134     transmute_materialname (object *op, const object *change)
135     {
136 root 1.6 if (!op->is_armor ())
137     return;
138 root 1.1
139 root 1.7 if (op->material == MATERIAL_NULL)
140 root 1.1 return;
141    
142 root 1.6 if (op->material != change->material)
143 root 1.1 return;
144    
145 root 1.5 materialtype_t *mt = op->material;
146 root 1.1
147 root 1.6 for (int j = 0; j < NROFATTACKS; j++)
148 root 1.1 if (op->resist[j] == 0 && change->resist[j] != 0)
149     {
150     op->resist[j] += mt->mod[j];
151 root 1.5
152     if (op->resist[j] > 100) op->resist[j] = 100;
153     if (op->resist[j] < -100) op->resist[j] = -100;
154 root 1.1 }
155     }
156    
157     /* set the materialname and type for an item */
158     void
159 root 1.5 select_material (object *op, int difficulty)
160 root 1.1 {
161 root 1.7 if (op->material != MATERIAL_NULL || !op->materials)
162 root 1.5 return;
163 root 1.1
164 root 1.5 materialtype_t *lmt = 0;
165 root 1.1
166 root 1.5 //TODL: dead code?
167     for (materialtype_t *mt = materialt; mt; mt = mt->next)
168     if (op->materials & mt->material
169     && difficulty >= mt->difficulty
170     && rndm (1, 100) <= mt->chance
171     && (op->magic >= mt->magic || mt->magic == 0))
172     {
173     lmt = mt;
174 root 1.1
175 root 1.5 if (!(op->is_weapon () || op->is_armor ()))
176     break;
177     }
178 root 1.1
179     if (lmt)
180     {
181     if (op->stats.dam && op->is_weapon ())
182     {
183     op->stats.dam += lmt->damage;
184     if (op->stats.dam < 1)
185     op->stats.dam = 1;
186     }
187    
188 root 1.5 if (op->stats.sp && op->type == BOW ) op->stats.sp += lmt->sp;
189     if (op->stats.wc && op->is_weapon ()) op->stats.wc += lmt->wc;
190    
191 root 1.1 if (op->is_armor ())
192     {
193     if (op->stats.ac)
194     op->stats.ac += lmt->ac;
195    
196     for (int j = 0; j < NROFATTACKS; j++)
197     if (op->resist[j] != 0)
198     {
199     op->resist[j] += lmt->mod[j];
200 root 1.5 if (op->resist[j] > 100) op->resist[j] = 100;
201     if (op->resist[j] < -100) op->resist[j] = -100;
202 root 1.1 }
203     }
204    
205 root 1.5 op->material = lmt;
206    
207 root 1.1 /* dont make it unstackable if it doesn't need to be */
208     if (op->is_weapon () || op->is_armor ())
209     {
210 root 1.5 op->weight = op->weight * lmt->weight / 100;
211     op->value = op->value * lmt->value / 100;
212 root 1.1 }
213     }
214     }
215    
216 root 1.3 //-GPL
217    
218 root 1.2 void
219 root 1.8 load_materials ()
220 root 1.2 {
221     //TODO: somehow free old materials, or update them in-place
222 root 1.11 // currently we effectively leak them.
223 root 1.6 material_null.next = 0; materialt = &material_null;
224 root 1.2
225 root 1.13 object_thawer thawer (settings.datadir, "materials");
226 root 1.2
227     if (!thawer)
228     {
229 root 1.13 LOG (llevError, "Cannot open %s for reading\n", thawer.name);
230 root 1.2 goto done;
231     }
232    
233     while (thawer.kw != KW_name)
234     {
235     thawer.next ();
236    
237     if (thawer.kw == KW_EOF)
238     goto done;
239     }
240    
241     materialtype_t *mt;
242    
243     for (;;)
244     {
245     switch (thawer.kw)
246     {
247     case KW_name:
248 root 1.5 mt = new materialtype_t;
249     thawer.get (mt->name);
250     mt->description = mt->name;
251    
252 root 1.6 mt->next = materialt; materialt = mt;
253 root 1.2 break;
254    
255     case KW_description:
256     thawer.get (mt->description);
257     break;
258    
259     case KW_material:
260     thawer.get (mt->material);
261     break;
262    
263     case KW_saves:
264     {
265     const char *cp = thawer.get_str () - 1;
266    
267     for (int i = 0; i < NROFATTACKS; i++)
268     {
269     if (!cp)
270     {
271     mt->save[i] = 0;
272     continue;
273     }
274    
275     int value;
276     ++cp;
277     sscanf (cp, "%d", &value);
278     mt->save[i] = (sint8) value;
279     cp = strchr (cp, ',');
280     }
281     }
282     break;
283    
284     case KW_mods:
285     {
286     const char *cp = thawer.get_str () - 1;
287    
288     for (int i = 0; i < NROFATTACKS; i++)
289     {
290     if (!cp)
291     {
292     mt->save[i] = 0;
293     continue;
294     }
295    
296     ++cp;
297     int value;
298     sscanf (cp, "%d", &value);
299     mt->mod[i] = (sint8) value;
300     cp = strchr (cp, ',');
301     }
302     }
303     break;
304    
305     case KW_chance: thawer.get (mt->chance); break;
306     case KW_difficulty: // cf+ alias, not original cf
307     case KW_diff: thawer.get (mt->difficulty); break;
308     case KW_magic: thawer.get (mt->magic); break;
309     case KW_dam: // cf+ alias, not original cf
310     case KW_damage: thawer.get (mt->damage); break;
311     case KW_wc: thawer.get (mt->wc); break;
312     case KW_ac: thawer.get (mt->ac); break;
313     case KW_sp: thawer.get (mt->sp); break;
314     case KW_weight: thawer.get (mt->weight); break;
315     case KW_value: thawer.get (mt->value); break;
316     case KW_density: thawer.get (mt->density); break;
317    
318     case KW_EOF:
319     goto done;
320    
321     default:
322 root 1.12 if (!thawer.parse_error ("materials file"))
323 root 1.2 goto done;
324     break;
325     }
326    
327     thawer.next ();
328     }
329    
330     done:
331     LOG (llevDebug, "Done.\n");
332     }
333