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/* |
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* This file is part of Deliantra, the Roguelike Realtime MMORPG. |
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* |
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* Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
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* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
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* Copyright (©) 1992,2007 Frank Tore Johansen |
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* |
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* Deliantra is free software: you can redistribute it and/or modify it under |
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* the terms of the Affero GNU General Public License as published by the |
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* Free Software Foundation, either version 3 of the License, or (at your |
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* option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the Affero GNU General Public License |
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* and the GNU General Public License along with this program. If not, see |
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* <http://www.gnu.org/licenses/>. |
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* |
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* The authors can be reached via e-mail to <support@deliantra.net> |
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*/ |
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|
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#include <global.h> |
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#include <material.h> |
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|
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/* convert materialname to materialtype_t */ |
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|
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materialtype_t * |
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name_to_material (const shstr_cmp name) |
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{ |
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for (materialtype_t *mt = materialt; mt; mt = mt->next) |
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if (name == mt->name) |
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return mt; |
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|
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return 0; |
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} |
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|
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/* when doing transmutation of objects, we have to recheck the resistances, |
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* as some that did not apply previously, may apply now. |
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*/ |
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void |
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transmute_materialname (object *op, const object *change) |
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{ |
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materialtype_t *mt; |
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int j; |
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|
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if (!op->materialname) |
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return; |
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|
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if (op->materialname != change->materialname) |
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return; |
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|
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if (!op->is_armor ()) |
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return; |
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|
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mt = name_to_material (op->materialname); |
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if (!mt) |
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{ |
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LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->archname, &op->name, &op->materialname); |
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return; |
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} |
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|
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for (j = 0; j < NROFATTACKS; j++) |
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if (op->resist[j] == 0 && change->resist[j] != 0) |
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{ |
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op->resist[j] += mt->mod[j]; |
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if (op->resist[j] > 100) |
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op->resist[j] = 100; |
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if (op->resist[j] < -100) |
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op->resist[j] = -100; |
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} |
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} |
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|
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/* set the materialname and type for an item */ |
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void |
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set_materialname (object *op, int difficulty, materialtype_t *nmt) |
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{ |
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materialtype_t *mt, *lmt; |
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|
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if (!op->materialname) |
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return; |
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|
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if (nmt) |
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lmt = nmt; |
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else |
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{ |
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lmt = 0; |
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|
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for (mt = materialt; mt; mt = mt->next) |
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if (op->materials & mt->material && rndm (1, 100) <= mt->chance && |
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difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0)) |
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{ |
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lmt = mt; |
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if (!(op->is_weapon () || op->is_armor ())) |
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break; |
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} |
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} |
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|
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if (lmt) |
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{ |
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if (op->stats.dam && op->is_weapon ()) |
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{ |
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op->stats.dam += lmt->damage; |
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if (op->stats.dam < 1) |
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op->stats.dam = 1; |
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} |
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|
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if (op->stats.sp && op->type == BOW) |
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op->stats.sp += lmt->sp; |
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if (op->stats.wc && op->is_weapon ()) |
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op->stats.wc += lmt->wc; |
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if (op->is_armor ()) |
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{ |
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if (op->stats.ac) |
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op->stats.ac += lmt->ac; |
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|
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for (int j = 0; j < NROFATTACKS; j++) |
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if (op->resist[j] != 0) |
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{ |
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op->resist[j] += lmt->mod[j]; |
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if (op->resist[j] > 100) |
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op->resist[j] = 100; |
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if (op->resist[j] < -100) |
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op->resist[j] = -100; |
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} |
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} |
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|
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op->materialname = lmt->name; |
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/* dont make it unstackable if it doesn't need to be */ |
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if (op->is_weapon () || op->is_armor ()) |
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{ |
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op->weight = (op->weight * lmt->weight) / 100; |
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op->value = (op->value * lmt->value) / 100; |
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} |
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} |
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} |
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|
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//TODO: make this a constructor |
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static materialtype_t * |
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get_empty_mat (void) |
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{ |
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materialtype_t *mt; |
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int i; |
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|
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mt = new materialtype_t; |
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|
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mt->name = shstr_unknown; |
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mt->description = 0; |
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|
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for (i = 0; i < NROFATTACKS; i++) |
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{ |
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mt->save[i] = 0; |
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mt->mod[i] = 0; |
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} |
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|
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mt->chance = 0; |
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mt->difficulty = 0; |
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mt->magic = 0; |
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mt->damage = 0; |
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mt->wc = 0; |
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mt->ac = 0; |
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mt->sp = 0; |
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mt->weight = 100; |
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mt->value = 100; |
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mt->density = 1; |
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mt->next = 0; |
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|
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return mt; |
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} |
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|
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void |
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load_materials (void) |
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{ |
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char filename[MAX_BUF]; |
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|
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sprintf (filename, "%s/materials", settings.datadir); |
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LOG (llevDebug, "Reading material type data from %s...\n", filename); |
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|
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//TODO: somehow free old materials, or update them in-place |
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materialt = 0; |
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|
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object_thawer thawer (filename); |
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|
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if (!thawer) |
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{ |
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LOG (llevError, "Cannot open %s for reading\n", filename); |
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goto done; |
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} |
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|
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while (thawer.kw != KW_name) |
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{ |
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thawer.next (); |
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|
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if (thawer.kw == KW_EOF) |
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goto done; |
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} |
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|
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materialtype_t *mt; |
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|
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for (;;) |
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{ |
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switch (thawer.kw) |
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{ |
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case KW_name: |
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mt = get_empty_mat (); |
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mt->next = materialt; |
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materialt = mt; |
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|
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thawer.get (mt->name); |
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mt->description = mt->name; |
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break; |
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|
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case KW_description: |
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thawer.get (mt->description); |
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break; |
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|
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case KW_material: |
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thawer.get (mt->material); |
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break; |
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|
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case KW_saves: |
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{ |
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const char *cp = thawer.get_str () - 1; |
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|
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for (int i = 0; i < NROFATTACKS; i++) |
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{ |
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if (!cp) |
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{ |
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mt->save[i] = 0; |
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continue; |
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} |
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|
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int value; |
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++cp; |
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sscanf (cp, "%d", &value); |
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mt->save[i] = (sint8) value; |
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cp = strchr (cp, ','); |
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} |
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} |
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break; |
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|
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case KW_mods: |
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{ |
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const char *cp = thawer.get_str () - 1; |
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|
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for (int i = 0; i < NROFATTACKS; i++) |
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{ |
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if (!cp) |
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{ |
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mt->save[i] = 0; |
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continue; |
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} |
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|
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++cp; |
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int value; |
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sscanf (cp, "%d", &value); |
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mt->mod[i] = (sint8) value; |
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cp = strchr (cp, ','); |
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} |
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} |
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break; |
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|
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case KW_chance: thawer.get (mt->chance); break; |
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case KW_difficulty: // cf+ alias, not original cf |
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case KW_diff: thawer.get (mt->difficulty); break; |
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case KW_magic: thawer.get (mt->magic); break; |
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case KW_dam: // cf+ alias, not original cf |
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case KW_damage: thawer.get (mt->damage); break; |
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case KW_wc: thawer.get (mt->wc); break; |
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case KW_ac: thawer.get (mt->ac); break; |
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case KW_sp: thawer.get (mt->sp); break; |
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case KW_weight: thawer.get (mt->weight); break; |
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case KW_value: thawer.get (mt->value); break; |
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case KW_density: thawer.get (mt->density); break; |
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|
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case KW_EOF: |
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goto done; |
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|
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default: |
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if (!thawer.parse_error ("materials file", "materials")) |
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goto done; |
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break; |
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} |
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|
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thawer.next (); |
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} |
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|
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done: |
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if (!materialt) |
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materialt = get_empty_mat (); |
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|
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LOG (llevDebug, "Done.\n"); |
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} |
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|