server/common/material.C

/*
 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
 * 
 * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
 * Copyright (©) 2002 Mark Wedel & Crossfire Development Team
 * Copyright (©) 1992 Frank Tore Johansen
 * 
 * Deliantra is free software: you can redistribute it and/or modify it under
 * the terms of the Affero GNU General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the Affero GNU General Public License
 * and the GNU General Public License along with this program. If not, see
 * <http://www.gnu.org/licenses/>.
 * 
 * The authors can be reached via e-mail to <support@deliantra.net>
 */

#include <global.h>
#include <material.h>

//+GPL

materialtype_t *materialt;

/*
materialtype material[NROFMATERIALS] = {
  *               P  M  F  E  C  C  A  D  W  G  P S P T F  C D D C C G H B  I *
   *              H  A  I  L  O  O  C  R  E  H  O L A U E  A E E H O O O L  N *
   *              Y  G  R  E  L  N  I  A  A  O  I O R R A  N P A A U D L I  T *
   *              S  I  E  C  D  F  D  I  P  S  S W A N R  C L T O N   Y N  R *
   *              I  C     T     U     N  O  T  O   L      E E H S T P   D  N *
  {"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}},
  {"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}},
  {"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}},
  {"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}},
  {"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}},
  {"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}},
  {"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}},
  {"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}},
  {"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}},
  {"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}},
  {"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}},
  {"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}},
  {"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}}
};
*/

materialtype_t::materialtype_t ()
{
  next        = 0;
  name        = shstr_unknown;
  description = shstr_unknown_material_description;
  material    = 0;

  for (int i = 0; i < NROFATTACKS; i++)
    {
      save [i] = 0;
      mod  [i] = 0;
    }

  chance      = 0;
  difficulty  = 0;
  magic       = 0;
  damage      = 0;
  wc          = 0;
  ac          = 0;
  sp          = 0;
  weight      = 100;
  value       = 100;
  density     = 1000;
}

/* convert materialname to materialtype_t */
materialtype_t *
name_to_material (const shstr_tmp name)
{
  for (materialtype_t *mt = materialt; mt; mt = mt->next)
    if (name == mt->name)
      return mt;

  LOG (llevError, "name_to_material called with nonexistent material '%s'\n", &name);

  // create a new material of the given name
  materialtype_t *mt = new materialtype_t;
  mt->name = name;

  // make it susceptible to attacks
  for (int i = 0; i < NROFATTACKS; i++)
    {
      mt->save [i] = 10;
      mt->mod  [i] =  9;
    }

  mt->next = materialt; materialt = mt;

  return mt;
}

/* when doing transmutation of objects, we have to recheck the resistances,
 * as some that did not apply previously, may apply now.
 */
void
transmute_materialname (object *op, const object *change)
{
  if (!op->is_armor ())
    return;

  if (op->material == MATERIAL_NULL)
    return;

  if (op->material != change->material)
    return;

  materialtype_t *mt = op->material;

  for (int j = 0; j < NROFATTACKS; j++)
    if (op->resist[j] == 0 && change->resist[j] != 0)
      {
        op->resist[j] += mt->mod[j];

        if (op->resist[j] >  100) op->resist[j] =  100;
        if (op->resist[j] < -100) op->resist[j] = -100;
      }
}

/* set the materialname and type for an item */
void
select_material (object *op, int difficulty)
{
  if (op->material != MATERIAL_NULL || !op->materials)
    return;

  materialtype_t *lmt = 0;

  //TODL: dead code?
  for (materialtype_t *mt = materialt; mt; mt = mt->next)
    if (op->materials & mt->material
        && difficulty >= mt->difficulty
        && rndm (1, 100) <= mt->chance
        && (op->magic >= mt->magic || mt->magic == 0))
      {
        lmt = mt;

        if (!(op->is_weapon () || op->is_armor ()))
          break;
      }

  if (lmt)
    {
      if (op->stats.dam && op->is_weapon ())
        {
          op->stats.dam += lmt->damage;
          if (op->stats.dam < 1)
            op->stats.dam = 1;
        }

      if (op->stats.sp && op->type == BOW ) op->stats.sp += lmt->sp;
      if (op->stats.wc && op->is_weapon ()) op->stats.wc += lmt->wc;

      if (op->is_armor ())
        {
          if (op->stats.ac)
            op->stats.ac += lmt->ac;

          for (int j = 0; j < NROFATTACKS; j++)
            if (op->resist[j] != 0)
              {
                op->resist[j] += lmt->mod[j];
                if (op->resist[j] >  100) op->resist[j] =  100;
                if (op->resist[j] < -100) op->resist[j] = -100;
              }
        }

      op->material = lmt;

      /* dont make it unstackable if it doesn't need to be */
      if (op->is_weapon () || op->is_armor ())
        {
          op->weight = op->weight * lmt->weight / 100;
          op->value  = op->value  * lmt->value  / 100;
        }
    }
}

//-GPL

void
load_materials ()
{
  //TODO: somehow free old materials, or update them in-place
  // currently we effectively leak them.
  material_null.next = 0; materialt = &material_null;

  object_thawer thawer (settings.datadir, "materials");

  if (!thawer)
    {
      LOG (llevError, "Cannot open %s for reading\n", thawer.name);
      goto done;
    }

  while (thawer.kw != KW_name)
    {
      thawer.next ();

      if (thawer.kw == KW_EOF)
        goto done;
    }

  materialtype_t *mt;

  for (;;)
    {
      switch (thawer.kw)
        {
          case KW_name:
            mt = new materialtype_t;
            thawer.get (mt->name);
            mt->description = mt->name;

            mt->next = materialt; materialt = mt;
            break;

          case KW_description:
            thawer.get (mt->description);
            break;

          case KW_material:
            thawer.get (mt->material);
            break;

          case KW_saves:
            {
              const char *cp = thawer.get_str () - 1;

              for (int i = 0; i < NROFATTACKS; i++)
                {
                  if (!cp)
                    {
                      mt->save[i] = 0;
                      continue;
                    }

                  int value;
                  ++cp;
                  sscanf (cp, "%d", &value);
                  mt->save[i] = (sint8) value;
                  cp = strchr (cp, ',');
                }
            }
            break;

          case KW_mods:
            {
              const char *cp = thawer.get_str () - 1;

              for (int i = 0; i < NROFATTACKS; i++)
                {
                  if (!cp)
                    {
                      mt->save[i] = 0;
                      continue;
                    }

                  ++cp;
                  int value;
                  sscanf (cp, "%d", &value);
                  mt->mod[i] = (sint8) value;
                  cp = strchr (cp, ',');
                }
            }
            break;

          case KW_chance:  thawer.get (mt->chance);     break;
          case KW_difficulty: // cf+ alias, not original cf
          case KW_diff:    thawer.get (mt->difficulty); break;
          case KW_magic:   thawer.get (mt->magic);      break;
          case KW_dam:        // cf+ alias, not original cf
          case KW_damage:  thawer.get (mt->damage);     break;
          case KW_wc:      thawer.get (mt->wc);         break;
          case KW_ac:      thawer.get (mt->ac);         break;
          case KW_sp:      thawer.get (mt->sp);         break;
          case KW_weight:  thawer.get (mt->weight);     break;
          case KW_value:   thawer.get (mt->value);      break;
          case KW_density: thawer.get (mt->density);    break;

          case KW_EOF:
            goto done;

          default:
            if (!thawer.parse_error ("materials file"))
              goto done;
            break;
        }

      thawer.next ();
    }

done:
  LOG (llevDebug, "Done.\n");
}

Revision:	1.13
Committed:	Wed Apr 28 19:49:50 2010 UTC (14 years, 1 month ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.12:	+2 -7 lines
Log Message:	less MAX_BUF, more object_thawer dir/file convenience
#	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	1.1	/* convert materialname to materialtype_t */
81			materialtype_t *
82	root	1.5	name_to_material (const shstr_tmp name)
83	root	1.1	{
84			for (materialtype_t *mt = materialt; mt; mt = mt->next)
85			if (name == mt->name)
86			return mt;
87
88	root	1.5	LOG (llevError, "name_to_material called with nonexistent material '%s'\n", &name);
89
90			// create a new material of the given name
91			materialtype_t *mt = new materialtype_t;
92			mt->name = name;
93
94	root	1.6	// make it susceptible to attacks
95			for (int i = 0; i < NROFATTACKS; i++)
96			{
97			mt->save [i] = 10;
98			mt->mod [i] = 9;
99			}
100
101			mt->next = materialt; materialt = mt;
102	root	1.5
103			return mt;
104	root	1.1	}
105
106			/* when doing transmutation of objects, we have to recheck the resistances,
107			* as some that did not apply previously, may apply now.
108			*/
109			void
110			transmute_materialname (object op, const object change)
111			{
112	root	1.6	if (!op->is_armor ())
113			return;
114	root	1.1
115	root	1.7	if (op->material == MATERIAL_NULL)
116	root	1.1	return;
117
118	root	1.6	if (op->material != change->material)
119	root	1.1	return;
120
121	root	1.5	materialtype_t *mt = op->material;
122	root	1.1
123	root	1.6	for (int j = 0; j < NROFATTACKS; j++)
124	root	1.1	if (op->resist[j] == 0 && change->resist[j] != 0)
125			{
126			op->resist[j] += mt->mod[j];
127	root	1.5
128			if (op->resist[j] > 100) op->resist[j] = 100;
129			if (op->resist[j] < -100) op->resist[j] = -100;
130	root	1.1	}
131			}
132
133			/* set the materialname and type for an item */
134			void
135	root	1.5	select_material (object *op, int difficulty)
136	root	1.1	{
137	root	1.7	if (op->material != MATERIAL_NULL \|\| !op->materials)
138	root	1.5	return;
139	root	1.1
140	root	1.5	materialtype_t *lmt = 0;
141	root	1.1
142	root	1.5	//TODL: dead code?
143			for (materialtype_t *mt = materialt; mt; mt = mt->next)
144			if (op->materials & mt->material
145			&& difficulty >= mt->difficulty
146			&& rndm (1, 100) <= mt->chance
147			&& (op->magic >= mt->magic \|\| mt->magic == 0))
148			{
149			lmt = mt;
150	root	1.1
151	root	1.5	if (!(op->is_weapon () \|\| op->is_armor ()))
152			break;
153			}
154	root	1.1
155			if (lmt)
156			{
157			if (op->stats.dam && op->is_weapon ())
158			{
159			op->stats.dam += lmt->damage;
160			if (op->stats.dam < 1)
161			op->stats.dam = 1;
162			}
163
164	root	1.5	if (op->stats.sp && op->type == BOW ) op->stats.sp += lmt->sp;
165			if (op->stats.wc && op->is_weapon ()) op->stats.wc += lmt->wc;
166
167	root	1.1	if (op->is_armor ())
168			{
169			if (op->stats.ac)
170			op->stats.ac += lmt->ac;
171
172			for (int j = 0; j < NROFATTACKS; j++)
173			if (op->resist[j] != 0)
174			{
175			op->resist[j] += lmt->mod[j];
176	root	1.5	if (op->resist[j] > 100) op->resist[j] = 100;
177			if (op->resist[j] < -100) op->resist[j] = -100;
178	root	1.1	}
179			}
180
181	root	1.5	op->material = lmt;
182
183	root	1.1	/* dont make it unstackable if it doesn't need to be */
184			if (op->is_weapon () \|\| op->is_armor ())
185			{
186	root	1.5	op->weight = op->weight * lmt->weight / 100;
187			op->value = op->value * lmt->value / 100;
188	root	1.1	}
189			}
190			}
191
192	root	1.3	//-GPL
193
194	root	1.2	void
195	root	1.8	load_materials ()
196	root	1.2	{
197			//TODO: somehow free old materials, or update them in-place
198	root	1.11	// currently we effectively leak them.
199	root	1.6	material_null.next = 0; materialt = &material_null;
200	root	1.2
201	root	1.13	object_thawer thawer (settings.datadir, "materials");
202	root	1.2
203			if (!thawer)
204			{
205	root	1.13	LOG (llevError, "Cannot open %s for reading\n", thawer.name);
206	root	1.2	goto done;
207			}
208
209			while (thawer.kw != KW_name)
210			{
211			thawer.next ();
212
213			if (thawer.kw == KW_EOF)
214			goto done;
215			}
216
217			materialtype_t *mt;
218
219			for (;;)
220			{
221			switch (thawer.kw)
222			{
223			case KW_name:
224	root	1.5	mt = new materialtype_t;
225			thawer.get (mt->name);
226			mt->description = mt->name;
227
228	root	1.6	mt->next = materialt; materialt = mt;
229	root	1.2	break;
230
231			case KW_description:
232			thawer.get (mt->description);
233			break;
234
235			case KW_material:
236			thawer.get (mt->material);
237			break;
238
239			case KW_saves:
240			{
241			const char *cp = thawer.get_str () - 1;
242
243			for (int i = 0; i < NROFATTACKS; i++)
244			{
245			if (!cp)
246			{
247			mt->save[i] = 0;
248			continue;
249			}
250
251			int value;
252			++cp;
253			sscanf (cp, "%d", &value);
254			mt->save[i] = (sint8) value;
255			cp = strchr (cp, ',');
256			}
257			}
258			break;
259
260			case KW_mods:
261			{
262			const char *cp = thawer.get_str () - 1;
263
264			for (int i = 0; i < NROFATTACKS; i++)
265			{
266			if (!cp)
267			{
268			mt->save[i] = 0;
269			continue;
270			}
271
272			++cp;
273			int value;
274			sscanf (cp, "%d", &value);
275			mt->mod[i] = (sint8) value;
276			cp = strchr (cp, ',');
277			}
278			}
279			break;
280
281			case KW_chance: thawer.get (mt->chance); break;
282			case KW_difficulty: // cf+ alias, not original cf
283			case KW_diff: thawer.get (mt->difficulty); break;
284			case KW_magic: thawer.get (mt->magic); break;
285			case KW_dam: // cf+ alias, not original cf
286			case KW_damage: thawer.get (mt->damage); break;
287			case KW_wc: thawer.get (mt->wc); break;
288			case KW_ac: thawer.get (mt->ac); break;
289			case KW_sp: thawer.get (mt->sp); break;
290			case KW_weight: thawer.get (mt->weight); break;
291			case KW_value: thawer.get (mt->value); break;
292			case KW_density: thawer.get (mt->density); break;
293
294			case KW_EOF:
295			goto done;
296
297			default:
298	root	1.12	if (!thawer.parse_error ("materials file"))
299	root	1.2	goto done;
300			break;
301			}
302
303			thawer.next ();
304			}
305
306			done:
307			LOG (llevDebug, "Done.\n");
308			}
309