server/server/c_range.C

/*
 * CrossFire, A Multiplayer game
 *
 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
 * Copyright (C) 2002 Mark Wedel & Crossfire Development Team
 * Copyright (C) 1992 Frank Tore Johansen
 *
 * This program 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 2 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, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * The authors can be reached via e-mail at <crossfire@schmorp.de>
 */

/* 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->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)
            {
              new_draw_info_format (NDI_UNIQUE, 0, op, "You need the skill %s to cast %s!", &spob->skill, &spob->name);
              return 1;
            }

          if (castnow)
            cast_spell (op, op, op->facing, spob, cp);
          else
            {
              op->contr->ranged_ob = spob;

              assign (op->contr->spellparam, cp ? cp : "");
              new_draw_info_format (NDI_UNIQUE, 0, op, "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)
{
  //TODO: maybe switch to golem, if any?
  // does nothing
}

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

  return 0;
}
Revision:	1.21
Committed:	Tue May 1 05:48:20 2007 UTC (17 years ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.20:	+1 -2 lines
Log Message:	big simplification, still doesn't work, but feels cleaner
#	User	Rev	Content
1	elmex	1.1	/*
2	root	1.18	* CrossFire, A Multiplayer game
3			*
4	pippijn	1.15	* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
5			* Copyright (C) 2002 Mark Wedel & Crossfire Development Team
6			* Copyright (C) 1992 Frank Tore Johansen
7	root	1.18	*
8	pippijn	1.15	* This program 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 2 of the License, or
11			* (at your option) any later version.
12	root	1.18	*
13	pippijn	1.15	* 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	pippijn	1.15	* You should have received a copy of the GNU General Public License
19			* along with this program; if not, write to the Free Software
20			* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21			*
22			* The authors can be reached via e-mail at <crossfire@schmorp.de>
23			*/
24	elmex	1.1
25			/* This file deals with range related commands (casting, shooting,
26			* throwing, etc.
27			*/
28
29			#include <global.h>
30	root	1.13	#include <sproto.h>
31	elmex	1.1	#include <spells.h>
32			#include <skills.h>
33			#include <commands.h>
34
35	root	1.5	int
36			command_invoke (object op, char params)
37	elmex	1.1	{
38	root	1.5	return command_cast_spell (op, params, 'i');
39	elmex	1.1	}
40
41	root	1.5	int
42			command_cast (object op, char params)
43	elmex	1.1	{
44	root	1.5	return command_cast_spell (op, params, 'c');
45	elmex	1.1	}
46
47	root	1.5	int
48			command_prepare (object op, char params)
49	elmex	1.1	{
50	root	1.5	return command_cast_spell (op, params, 'p');
51	elmex	1.1	}
52
53			/* Shows all spells that op knows. If params is supplied, the must match
54			* that. Given there is more than one skill, we can't supply break
55			* them down to cleric/wizardry.
56			*/
57	root	1.5	static void
58			show_matching_spells (object op, char params)
59	elmex	1.1	{
60	root	1.5	object *spell;
61			char spell_sort[NROFREALSPELLS][MAX_BUF], tmp[MAX_BUF], *cp;
62			int num_found = 0, i;
63
64			/* We go and see what spells the player has. We put them
65			* into the spell_sort array so that we can sort them -
66			* we prefix the skill in the name so that the sorting
67			* works better.
68			*/
69	root	1.19	for (spell = op->inv; spell; spell = spell->below)
70	root	1.5	{
71			/* If it is a spell, and no params are passed, or they
72			* match the name, process this spell.
73			*/
74			if (spell->type == SPELL && (!params \|\| !strncmp (params, spell->name, strlen (params))))
75			{
76			if (spell->path_attuned & op->path_denied)
77			{
78			sprintf (spell_sort[num_found++], "%s:%-22s %3s %3s", spell->skill ? &spell->skill : "generic", &spell->name, "den", "den");
79			}
80			else
81			{
82			sprintf (spell_sort[num_found++],
83			"%s:%-22s %3d %3d", spell->skill ? &spell->skill : "generic",
84			&spell->name, spell->level, SP_level_spellpoint_cost (op, spell, SPELL_HIGHEST));
85	root	1.2	}
86			}
87	elmex	1.1	}
88	root	1.19
89	root	1.5	if (!num_found)
90			{
91			/* If a matching string was passed along, now try it without that
92			* string. It is odd to do something like 'cast trans',
93			* and it say you have no spells, when really, you do, but just
94			* nothing that matches.
95			*/
96			if (params)
97			show_matching_spells (op, NULL);
98			else
99			new_draw_info (NDI_UNIQUE, 0, op, "You know no spells");
100			}
101			else
102			{
103			/* Note in the code below that we make some
104			* presumptions that there will be a colon in the
105			* string. given the code above, this is always
106			* the case.
107			*/
108	root	1.16	qsort (spell_sort, num_found, MAX_BUF, (int ()(const void , const void *)) std::strcmp);
109	root	1.5	strcpy (tmp, "asdfg"); /* Dummy string so initial compare fails */
110			for (i = 0; i < num_found; i++)
111			{
112			/* Different skill name, so print banner */
113			if (strncmp (tmp, spell_sort[i], strlen (tmp)))
114			{
115			strcpy (tmp, spell_sort[i]);
116			cp = strchr (tmp, ':');
117			*cp = '\0';
118			new_draw_info (NDI_UNIQUE, 0, op, "");
119			new_draw_info_format (NDI_UNIQUE, 0, op, "%s spells %.*s [lvl] [sp]", tmp, 12 - strlen (tmp), " ");
120	root	1.2	}
121	root	1.5	new_draw_info (NDI_UNIQUE, 0, op, strchr (spell_sort[i], ':') + 1);
122	root	1.2	}
123	elmex	1.1	}
124			}
125
126			/* sets up to cast a spell. op is the caster, params is the spell name,
127			* and command is the first letter of the spell type (c=cast, i=invoke,
128			* p=prepare). Invoke casts a spell immediately, where as cast (and I believe
129			* prepare) just set up the range type.
130			*/
131	root	1.5	int
132			command_cast_spell (object op, char params, char command)
133	elmex	1.1	{
134	root	1.5	int castnow = 0;
135			char *cp;
136			object *spob;
137
138			if (command == 'i')
139			castnow = 1;
140
141			/* Remove control of the golem */
142	root	1.20	if (object *golem = op->contr->golem)
143	root	1.18	golem->destroy ();
144	elmex	1.1
145	root	1.18	if (params)
146	root	1.5	{
147			int spellnumber = 0;
148
149			if ((spellnumber = atoi (params)))
150	root	1.9	for (spob = op->inv; spob && spob->count != spellnumber; spob = spob->below)
151	root	1.6	/* nop */;
152	root	1.5	else
153			spob = lookup_spell_by_name (op, params);
154
155			if (spob && spob->type == SPELL)
156			{
157			/* Now grab any extra data, if there is any. Forward pass
158			* any 'of' delimiter
159			*/
160			if (spellnumber)
161			{
162			/* if we passed a number, the options start at the second word */
163			cp = strchr (params, ' ');
164			if (cp)
165			{
166			cp++;
167			if (!strncmp (cp, "of ", 3))
168			cp += 3;
169	root	1.2	}
170			}
171	root	1.20	else if (strlen (params) > strlen (spob->name))
172	root	1.5	{
173			cp = params + strlen (spob->name);
174			*cp = 0;
175			cp++;
176			if (!strncmp (cp, "of ", 3))
177			cp += 3;
178	root	1.2	}
179	root	1.5	else
180			cp = NULL;
181
182	root	1.20	if (!spob->skill)
183			{
184			new_draw_info_format (NDI_UNIQUE, 0, op, "%s is a weird spell, please report it to the dungeon master!", &spob->name);
185			LOG (llevError, "spell without skill found: %s", spob->debug_desc ());
186			return 1;
187			}
188
189			object *skill = find_skill_by_name (op, spob->skill);
190
191			if (!skill)
192	root	1.5	{
193			new_draw_info_format (NDI_UNIQUE, 0, op, "You need the skill %s to cast %s!", &spob->skill, &spob->name);
194			return 1;
195			}
196
197			if (castnow)
198	root	1.6	cast_spell (op, op, op->facing, spob, cp);
199	root	1.5	else
200			{
201	root	1.21	op->contr->ranged_ob = spob;
202	root	1.20
203	root	1.7	assign (op->contr->spellparam, cp ? cp : "");
204	root	1.5	new_draw_info_format (NDI_UNIQUE, 0, op, "You ready the spell %s", &spob->name);
205	root	1.2	}
206	root	1.6
207	root	1.5	return 0;
208			} /* else fall through to below and print spells */
209			} /* params supplied */
210
211			/* We get here if cast was given without options or we could not find
212			* the requested spell. List all the spells the player knows.
213			*/
214			new_draw_info (NDI_UNIQUE, 0, op, "Cast what spell? Choose one of:");
215			show_matching_spells (op, params);
216			return 1;
217	elmex	1.1	}
218
219			/**************************************************************************/
220
221	root	1.5	void
222			change_spell (object *op, char k)
223			{
224	root	1.20	//TODO: maybe switch to golem, if any?
225			// does nothing
226	elmex	1.1	}
227
228	root	1.5	int
229			command_rotateshoottype (object op, char params)
230	elmex	1.1	{
231			if (!params)
232	root	1.5	change_spell (op, '+');
233	elmex	1.1	else
234	root	1.5	change_spell (op, params[0]);
235	root	1.19
236	elmex	1.1	return 0;
237			}