server/server/c_range.C

/*
 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
 * 
 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
 * Copyright (©) 1992,2007 Frank Tore Johansen
 * 
 * Deliantra is free software: you can redistribute it and/or modify
 * it under the terms of the 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 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>
 */

/* This file deals with range related commands (casting, shooting,
 * throwing, etc.
 */

#include <global.h>
#include <sproto.h>
#include <spells.h>
#include <skills.h>
#include <commands.h>

int
command_invoke (object *op, char *params)
{
  return command_cast_spell (op, params, 'i');
}

int
command_cast (object *op, char *params)
{
  return command_cast_spell (op, params, 'c');
}

int
command_prepare (object *op, char *params)
{
  return command_cast_spell (op, params, 'p');
}

/* Shows all spells that op knows.  If params is supplied, the must match
 * that.  Given there is more than one skill, we can't supply break
 * them down to cleric/wizardry.
 */
static void
show_matching_spells (object *op, char *params)
{
  object *spell;
  char spell_sort[NROFREALSPELLS][MAX_BUF], tmp[MAX_BUF], *cp;
  int num_found = 0, i;

  /* We go and see what spells the player has.  We put them
   * into the spell_sort array so that we can sort them -
   * we prefix the skill in the name so that the sorting
   * works better.
   */
  for (spell = op->inv; spell; spell = spell->below)
    {
      /* If it is a spell, and no params are passed, or they
       * match the name, process this spell.
       */
      if (spell->type == SPELL && (!params || !strncmp (params, spell->name, strlen (params))))
        {
          if (spell->path_attuned & op->path_denied)
            {
              sprintf (spell_sort[num_found++], "%s:%-22s %3s %3s", spell->skill ? &spell->skill : "generic", &spell->name, "den", "den");
            }
          else
            {
              sprintf (spell_sort[num_found++],
                       "%s:%-22s %3d %3d", spell->skill ? &spell->skill : "generic",
                       &spell->name, spell->level, SP_level_spellpoint_cost (op, spell, SPELL_HIGHEST));
            }
        }
    }

  if (!num_found)
    {
      /* If a matching string was passed along, now try it without that
       * string.  It is odd to do something like 'cast trans',
       * and it say you have no spells, when really, you do, but just
       * nothing that matches.
       */
      if (params)
        show_matching_spells (op, NULL);
      else
        new_draw_info (NDI_UNIQUE, 0, op, "You know no spells");
    }
  else
    {
      /* Note in the code below that we make some
       * presumptions that there will be a colon in the
       * string.  given the code above, this is always
       * the case.
       */
      qsort (spell_sort, num_found, MAX_BUF, (int (*)(const void *, const void *)) std::strcmp);
      strcpy (tmp, "asdfg");    /* Dummy string so initial compare fails */
      for (i = 0; i < num_found; i++)
        {
          /* Different skill name, so print banner */
          if (strncmp (tmp, spell_sort[i], strlen (tmp)))
            {
              strcpy (tmp, spell_sort[i]);
              cp = strchr (tmp, ':');
              *cp = '\0';
              new_draw_info (NDI_UNIQUE, 0, op, "");
              new_draw_info_format (NDI_UNIQUE, 0, op, "%s spells %.*s [lvl] [sp]", tmp, 12 - strlen (tmp), "              ");
            }
          new_draw_info (NDI_UNIQUE, 0, op, strchr (spell_sort[i], ':') + 1);
        }
    }
}

/* sets up to cast a spell.  op is the caster, params is the spell name,
 * and command is the first letter of the spell type (c=cast, i=invoke, 
 * p=prepare).  Invoke casts a spell immediately, where as cast (and I believe
 * prepare) just set up the range type.
 */
int
command_cast_spell (object *op, char *params, char command)
{
  int castnow = 0;
  char *cp;
  object *spob;

  if (command == 'i')
    castnow = 1;

  /* Remove control of the golem */
  if (object *golem = op->contr->golem)
    golem->drop_and_destroy ();

  if (params)
    {
      int spellnumber = 0;

      if ((spellnumber = atoi (params)))
        for (spob = op->inv; spob && spob->count != spellnumber; spob = spob->below)
          /* nop */;
      else
        spob = lookup_spell_by_name (op, params);

      if (spob && spob->type == SPELL)
        {
          /* Now grab any extra data, if there is any.  Forward pass
           * any 'of' delimiter
           */
          if (spellnumber)
            {
              /* if we passed a number, the options start at the second word */
              cp = strchr (params, ' ');
              if (cp)
                {
                  cp++;
                  if (!strncmp (cp, "of ", 3))
                    cp += 3;
                }
            }
          else if (strlen (params) > strlen (spob->name))
            {
              cp = params + strlen (spob->name);
              *cp = 0;
              cp++;
              if (!strncmp (cp, "of ", 3))
                cp += 3;
            }
          else
            cp = NULL;

          if (!spob->skill)
            {
              new_draw_info_format (NDI_UNIQUE, 0, op, "%s is a weird spell, please report it to the dungeon master!", &spob->name);
              LOG (llevError, "spell without skill found: %s", spob->debug_desc ());
              return 1;
            }

          object *skill = find_skill_by_name (op, spob->skill);

          if (!skill)
            {
              op->failmsg (format ("You need the skill %s to cast %s!", &spob->skill, &spob->name));
              return 1;
            }

          splay (spob);

          if (castnow)
            cast_spell (op, op, op->facing, spob, cp);
          else
            {
              if (op->contr->ranged_ob)
                if (op->contr->ranged_ob->flag [FLAG_APPLIED])
                  apply_special (op, op->contr->ranged_ob, AP_UNAPPLY);
                else
                  op->contr->ranged_ob = 0;

              if (op->contr->ranged_ob)
                op->failmsg (format ("You have to unapply the %s first to ready a spell.", &op->contr->ranged_ob->name));
              else
                {
                  op->change_weapon (op->contr->ranged_ob = spob);

                  assign (op->contr->spellparam, cp ? cp : "");
                  op->statusmsg (format ("You ready the spell %s", &spob->name));
                }
            }

          return 0;
        }                       /* else fall through to below and print spells */
    }                           /* params supplied */

  /* We get here if cast was given without options or we could not find
   * the requested spell.  List all the spells the player knows.
   */
  new_draw_info (NDI_UNIQUE, 0, op, "Cast what spell? Choose one of:");
  show_matching_spells (op, params);

  return 1;
}

/**************************************************************************/

void
change_spell (object *op, char k)
{
  if (op->contr->combat_ob == op->current_weapon)
    {
      if (op->contr->ranged_ob)
        op->change_weapon (op->contr->ranged_ob);
    }
  else if (op->contr->ranged_ob == op->current_weapon)
    {
      if (op->contr->combat_ob)
        op->change_weapon (op->contr->combat_ob);
    }

  //TODO: maybe switch to golem, if any?
}

int
command_rotateshoottype (object *op, char *params)
{
  if (!params)
    change_spell (op, '+');
  else
    change_spell (op, params[0]);

  return 0;
}
Revision:	1.38
Committed:	Mon Sep 29 10:31:32 2008 UTC (15 years, 8 months ago) by root
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rel-2_80, rel-2_72, rel-2_73, rel-2_76, rel-2_77, rel-2_74, rel-2_75, rel-2_79, rel-2_78
Changes since 1.37:	+1 -4 lines
Log Message:	introduce drop_and_destroy and use it
#	Content
1	/*
2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*
4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen
7	*
8	* Deliantra is free software: you can redistribute it and/or modify
9	* it under the terms of the GNU General Public License as published by
10	* the Free Software Foundation, either version 3 of the License, or
11	* (at your 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 GNU General Public License
19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	*
21	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/
23
24	/* This file deals with range related commands (casting, shooting,
25	* throwing, etc.
26	*/
27
28	#include <global.h>
29	#include <sproto.h>
30	#include <spells.h>
31	#include <skills.h>
32	#include <commands.h>
33
34	int
35	command_invoke (object op, char params)
36	{
37	return command_cast_spell (op, params, 'i');
38	}
39
40	int
41	command_cast (object op, char params)
42	{
43	return command_cast_spell (op, params, 'c');
44	}
45
46	int
47	command_prepare (object op, char params)
48	{
49	return command_cast_spell (op, params, 'p');
50	}
51
52	/* Shows all spells that op knows. If params is supplied, the must match
53	* that. Given there is more than one skill, we can't supply break
54	* them down to cleric/wizardry.
55	*/
56	static void
57	show_matching_spells (object op, char params)
58	{
59	object *spell;
60	char spell_sort[NROFREALSPELLS][MAX_BUF], tmp[MAX_BUF], *cp;
61	int num_found = 0, i;
62
63	/* We go and see what spells the player has. We put them
64	* into the spell_sort array so that we can sort them -
65	* we prefix the skill in the name so that the sorting
66	* works better.
67	*/
68	for (spell = op->inv; spell; spell = spell->below)
69	{
70	/* If it is a spell, and no params are passed, or they
71	* match the name, process this spell.
72	*/
73	if (spell->type == SPELL && (!params \|\| !strncmp (params, spell->name, strlen (params))))
74	{
75	if (spell->path_attuned & op->path_denied)
76	{
77	sprintf (spell_sort[num_found++], "%s:%-22s %3s %3s", spell->skill ? &spell->skill : "generic", &spell->name, "den", "den");
78	}
79	else
80	{
81	sprintf (spell_sort[num_found++],
82	"%s:%-22s %3d %3d", spell->skill ? &spell->skill : "generic",
83	&spell->name, spell->level, SP_level_spellpoint_cost (op, spell, SPELL_HIGHEST));
84	}
85	}
86	}
87
88	if (!num_found)
89	{
90	/* If a matching string was passed along, now try it without that
91	* string. It is odd to do something like 'cast trans',
92	* and it say you have no spells, when really, you do, but just
93	* nothing that matches.
94	*/
95	if (params)
96	show_matching_spells (op, NULL);
97	else
98	new_draw_info (NDI_UNIQUE, 0, op, "You know no spells");
99	}
100	else
101	{
102	/* Note in the code below that we make some
103	* presumptions that there will be a colon in the
104	* string. given the code above, this is always
105	* the case.
106	*/
107	qsort (spell_sort, num_found, MAX_BUF, (int ()(const void , const void *)) std::strcmp);
108	strcpy (tmp, "asdfg"); /* Dummy string so initial compare fails */
109	for (i = 0; i < num_found; i++)
110	{
111	/* Different skill name, so print banner */
112	if (strncmp (tmp, spell_sort[i], strlen (tmp)))
113	{
114	strcpy (tmp, spell_sort[i]);
115	cp = strchr (tmp, ':');
116	*cp = '\0';
117	new_draw_info (NDI_UNIQUE, 0, op, "");
118	new_draw_info_format (NDI_UNIQUE, 0, op, "%s spells %.*s [lvl] [sp]", tmp, 12 - strlen (tmp), " ");
119	}
120	new_draw_info (NDI_UNIQUE, 0, op, strchr (spell_sort[i], ':') + 1);
121	}
122	}
123	}
124
125	/* sets up to cast a spell. op is the caster, params is the spell name,
126	* and command is the first letter of the spell type (c=cast, i=invoke,
127	* p=prepare). Invoke casts a spell immediately, where as cast (and I believe
128	* prepare) just set up the range type.
129	*/
130	int
131	command_cast_spell (object op, char params, char command)
132	{
133	int castnow = 0;
134	char *cp;
135	object *spob;
136
137	if (command == 'i')
138	castnow = 1;
139
140	/* Remove control of the golem */
141	if (object *golem = op->contr->golem)
142	golem->drop_and_destroy ();
143
144	if (params)
145	{
146	int spellnumber = 0;
147
148	if ((spellnumber = atoi (params)))
149	for (spob = op->inv; spob && spob->count != spellnumber; spob = spob->below)
150	/* nop */;
151	else
152	spob = lookup_spell_by_name (op, params);
153
154	if (spob && spob->type == SPELL)
155	{
156	/* Now grab any extra data, if there is any. Forward pass
157	* any 'of' delimiter
158	*/
159	if (spellnumber)
160	{
161	/* if we passed a number, the options start at the second word */
162	cp = strchr (params, ' ');
163	if (cp)
164	{
165	cp++;
166	if (!strncmp (cp, "of ", 3))
167	cp += 3;
168	}
169	}
170	else if (strlen (params) > strlen (spob->name))
171	{
172	cp = params + strlen (spob->name);
173	*cp = 0;
174	cp++;
175	if (!strncmp (cp, "of ", 3))
176	cp += 3;
177	}
178	else
179	cp = NULL;
180
181	if (!spob->skill)
182	{
183	new_draw_info_format (NDI_UNIQUE, 0, op, "%s is a weird spell, please report it to the dungeon master!", &spob->name);
184	LOG (llevError, "spell without skill found: %s", spob->debug_desc ());
185	return 1;
186	}
187
188	object *skill = find_skill_by_name (op, spob->skill);
189
190	if (!skill)
191	{
192	op->failmsg (format ("You need the skill %s to cast %s!", &spob->skill, &spob->name));
193	return 1;
194	}
195
196	splay (spob);
197
198	if (castnow)
199	cast_spell (op, op, op->facing, spob, cp);
200	else
201	{
202	if (op->contr->ranged_ob)
203	if (op->contr->ranged_ob->flag [FLAG_APPLIED])
204	apply_special (op, op->contr->ranged_ob, AP_UNAPPLY);
205	else
206	op->contr->ranged_ob = 0;
207
208	if (op->contr->ranged_ob)
209	op->failmsg (format ("You have to unapply the %s first to ready a spell.", &op->contr->ranged_ob->name));
210	else
211	{
212	op->change_weapon (op->contr->ranged_ob = spob);
213
214	assign (op->contr->spellparam, cp ? cp : "");
215	op->statusmsg (format ("You ready the spell %s", &spob->name));
216	}
217	}
218
219	return 0;
220	} /* else fall through to below and print spells */
221	} /* params supplied */
222
223	/* We get here if cast was given without options or we could not find
224	* the requested spell. List all the spells the player knows.
225	*/
226	new_draw_info (NDI_UNIQUE, 0, op, "Cast what spell? Choose one of:");
227	show_matching_spells (op, params);
228
229	return 1;
230	}
231
232	/**************************************************************************/
233
234	void
235	change_spell (object *op, char k)
236	{
237	if (op->contr->combat_ob == op->current_weapon)
238	{
239	if (op->contr->ranged_ob)
240	op->change_weapon (op->contr->ranged_ob);
241	}
242	else if (op->contr->ranged_ob == op->current_weapon)
243	{
244	if (op->contr->combat_ob)
245	op->change_weapon (op->contr->combat_ob);
246	}
247
248	//TODO: maybe switch to golem, if any?
249	}
250
251	int
252	command_rotateshoottype (object op, char params)
253	{
254	if (!params)
255	change_spell (op, '+');
256	else
257	change_spell (op, params[0]);
258
259	return 0;
260	}