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/cvs/deliantra/server/common/material.C
Revision: 1.19
Committed: Sun Nov 4 01:01:13 2012 UTC (11 years, 6 months ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: rel-3_1
Changes since 1.18: +1 -1 lines
Log Message:
*** empty log message ***

File Contents

# User Rev Content
1 root 1.1 /*
2     * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 root 1.18 *
4 root 1.17 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 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 1.18 *
8 root 1.1 * 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 root 1.18 *
13 root 1.1 * 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 root 1.18 *
18 root 1.1 * 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 root 1.18 *
22 root 1.1 * 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 root 1.15 next = 0;
58     reset ();
59     }
60    
61     void
62     materialtype_t::reset ()
63     {
64 root 1.5 name = shstr_unknown;
65     description = shstr_unknown_material_description;
66     material = 0;
67    
68     for (int i = 0; i < NROFATTACKS; i++)
69     {
70 root 1.6 save [i] = 0;
71     mod [i] = 0;
72 root 1.5 }
73    
74     chance = 0;
75     difficulty = 0;
76     magic = 0;
77     damage = 0;
78     wc = 0;
79     ac = 0;
80     sp = 0;
81     weight = 100;
82     value = 100;
83     density = 1000;
84     }
85    
86 root 1.14 // create a new material of the given name
87     static materialtype_t *
88     dummy_material (shstr_tmp name)
89 root 1.1 {
90 root 1.5 materialtype_t *mt = new materialtype_t;
91     mt->name = name;
92    
93 root 1.6 // make it susceptible to attacks
94     for (int i = 0; i < NROFATTACKS; i++)
95     {
96     mt->save [i] = 10;
97     mt->mod [i] = 9;
98     }
99    
100     mt->next = materialt; materialt = mt;
101 root 1.5
102     return mt;
103 root 1.1 }
104    
105 root 1.15 static materialtype_t *
106     find (const shstr_tmp name)
107     {
108     for (materialtype_t *mt = materialt; mt; mt = mt->next)
109     if (name == mt->name)
110     return mt;
111    
112     return 0;
113     }
114    
115 root 1.14 /* convert materialname to materialtype_t */
116     materialtype_t *
117     name_to_material (const shstr_tmp name)
118     {
119 root 1.15 materialtype_t *mt = find (name);
120 root 1.14
121 root 1.15 if (!mt)
122     {
123     LOG (llevError, "name_to_material called with nonexistent material '%s'\n", &name);
124     mt = dummy_material (name);
125     }
126 root 1.14
127 root 1.15 return mt;
128 root 1.14 }
129    
130     void
131 root 1.15 object_thawer::get (materialtype_t *&mt) const
132 root 1.14 {
133     shstr name;
134     get (name);
135    
136 root 1.15 mt = find (name);
137 root 1.14
138 root 1.15 if (!mt)
139     {
140     parse_error (format ("material called %s requested, but not found, creating dummy material.\n", &name));
141     mt = dummy_material (name);
142     }
143 root 1.14 }
144    
145 root 1.1 /* when doing transmutation of objects, we have to recheck the resistances,
146     * as some that did not apply previously, may apply now.
147     */
148     void
149     transmute_materialname (object *op, const object *change)
150     {
151 root 1.6 if (!op->is_armor ())
152     return;
153 root 1.1
154 root 1.7 if (op->material == MATERIAL_NULL)
155 root 1.1 return;
156    
157 root 1.6 if (op->material != change->material)
158 root 1.1 return;
159    
160 root 1.5 materialtype_t *mt = op->material;
161 root 1.1
162 root 1.6 for (int j = 0; j < NROFATTACKS; j++)
163 root 1.1 if (op->resist[j] == 0 && change->resist[j] != 0)
164     {
165     op->resist[j] += mt->mod[j];
166 root 1.5
167     if (op->resist[j] > 100) op->resist[j] = 100;
168     if (op->resist[j] < -100) op->resist[j] = -100;
169 root 1.1 }
170     }
171    
172     /* set the materialname and type for an item */
173     void
174 root 1.5 select_material (object *op, int difficulty)
175 root 1.1 {
176 root 1.7 if (op->material != MATERIAL_NULL || !op->materials)
177 root 1.5 return;
178 root 1.1
179 root 1.5 materialtype_t *lmt = 0;
180 root 1.1
181 root 1.5 //TODL: dead code?
182     for (materialtype_t *mt = materialt; mt; mt = mt->next)
183     if (op->materials & mt->material
184     && difficulty >= mt->difficulty
185     && rndm (1, 100) <= mt->chance
186     && (op->magic >= mt->magic || mt->magic == 0))
187     {
188     lmt = mt;
189 root 1.1
190 root 1.5 if (!(op->is_weapon () || op->is_armor ()))
191     break;
192     }
193 root 1.1
194     if (lmt)
195     {
196     if (op->stats.dam && op->is_weapon ())
197     {
198     op->stats.dam += lmt->damage;
199     if (op->stats.dam < 1)
200     op->stats.dam = 1;
201     }
202    
203 root 1.5 if (op->stats.sp && op->type == BOW ) op->stats.sp += lmt->sp;
204     if (op->stats.wc && op->is_weapon ()) op->stats.wc += lmt->wc;
205    
206 root 1.1 if (op->is_armor ())
207     {
208     if (op->stats.ac)
209     op->stats.ac += lmt->ac;
210    
211     for (int j = 0; j < NROFATTACKS; j++)
212     if (op->resist[j] != 0)
213     {
214     op->resist[j] += lmt->mod[j];
215 root 1.5 if (op->resist[j] > 100) op->resist[j] = 100;
216     if (op->resist[j] < -100) op->resist[j] = -100;
217 root 1.1 }
218     }
219    
220 root 1.5 op->material = lmt;
221    
222 root 1.1 /* dont make it unstackable if it doesn't need to be */
223     if (op->is_weapon () || op->is_armor ())
224     {
225 root 1.5 op->weight = op->weight * lmt->weight / 100;
226     op->value = op->value * lmt->value / 100;
227 root 1.1 }
228     }
229     }
230    
231 root 1.3 //-GPL
232    
233 root 1.2 void
234 root 1.19 _reload_materials ()
235 root 1.2 {
236 root 1.13 object_thawer thawer (settings.datadir, "materials");
237 root 1.2
238     if (!thawer)
239     {
240 root 1.15 LOG (llevError, "unable to load %s for reading\n", thawer.name);
241     return;
242 root 1.2 }
243    
244     while (thawer.kw != KW_name)
245     {
246     thawer.next ();
247    
248     if (thawer.kw == KW_EOF)
249 root 1.15 return;
250 root 1.2 }
251    
252     materialtype_t *mt;
253    
254     for (;;)
255     {
256     switch (thawer.kw)
257     {
258     case KW_name:
259 root 1.15 coroapi::cede_to_tick ();
260    
261     {
262     // create a new dummy material, or find the existing material
263     shstr name;
264     thawer.get (name);
265    
266     mt = find (name);
267    
268     if (mt)
269     mt->reset ();
270     else
271     {
272     mt = new materialtype_t;
273     mt->next = materialt; materialt = mt;
274     }
275 root 1.5
276 root 1.15 mt->name = name;
277     mt->description = name;
278     }
279 root 1.2 break;
280    
281     case KW_description:
282     thawer.get (mt->description);
283     break;
284    
285     case KW_material:
286     thawer.get (mt->material);
287     break;
288    
289     case KW_saves:
290     {
291     const char *cp = thawer.get_str () - 1;
292    
293     for (int i = 0; i < NROFATTACKS; i++)
294     {
295     if (!cp)
296     {
297     mt->save[i] = 0;
298     continue;
299     }
300    
301     int value;
302     ++cp;
303     sscanf (cp, "%d", &value);
304     mt->save[i] = (sint8) value;
305     cp = strchr (cp, ',');
306     }
307     }
308     break;
309    
310     case KW_mods:
311     {
312     const char *cp = thawer.get_str () - 1;
313    
314     for (int i = 0; i < NROFATTACKS; i++)
315     {
316     if (!cp)
317     {
318     mt->save[i] = 0;
319     continue;
320     }
321    
322     ++cp;
323     int value;
324     sscanf (cp, "%d", &value);
325     mt->mod[i] = (sint8) value;
326     cp = strchr (cp, ',');
327     }
328     }
329     break;
330    
331     case KW_chance: thawer.get (mt->chance); break;
332     case KW_difficulty: // cf+ alias, not original cf
333     case KW_diff: thawer.get (mt->difficulty); break;
334     case KW_magic: thawer.get (mt->magic); break;
335     case KW_dam: // cf+ alias, not original cf
336     case KW_damage: thawer.get (mt->damage); break;
337     case KW_wc: thawer.get (mt->wc); break;
338     case KW_ac: thawer.get (mt->ac); break;
339     case KW_sp: thawer.get (mt->sp); break;
340     case KW_weight: thawer.get (mt->weight); break;
341     case KW_value: thawer.get (mt->value); break;
342     case KW_density: thawer.get (mt->density); break;
343    
344     case KW_EOF:
345 root 1.15 return;
346 root 1.2
347     default:
348 root 1.12 if (!thawer.parse_error ("materials file"))
349 root 1.15 return;
350 root 1.2 break;
351     }
352    
353     thawer.next ();
354     }
355     }
356