1 |
elmex |
1.1 |
/* |
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CrossFire, A Multiplayer game for X-windows |
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Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
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Copyright (C) 1992 Frank Tore Johansen |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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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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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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root |
1.8 |
The authors can be reached via e-mail at <crossfire@schmorp.de> |
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elmex |
1.1 |
*/ |
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/* This file deals with range related commands (casting, shooting, |
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* throwing, etc. |
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*/ |
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#include <global.h> |
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#ifndef __CEXTRACT__ |
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root |
1.5 |
# include <sproto.h> |
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elmex |
1.1 |
#endif |
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#include <spells.h> |
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#include <skills.h> |
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#include <newclient.h> |
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#include <commands.h> |
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|
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root |
1.5 |
int |
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command_invoke (object *op, char *params) |
39 |
elmex |
1.1 |
{ |
40 |
root |
1.5 |
return command_cast_spell (op, params, 'i'); |
41 |
elmex |
1.1 |
} |
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root |
1.5 |
int |
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command_cast (object *op, char *params) |
45 |
elmex |
1.1 |
{ |
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root |
1.5 |
return command_cast_spell (op, params, 'c'); |
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elmex |
1.1 |
} |
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root |
1.5 |
int |
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command_prepare (object *op, char *params) |
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elmex |
1.1 |
{ |
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root |
1.5 |
return command_cast_spell (op, params, 'p'); |
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elmex |
1.1 |
} |
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/* Shows all spells that op knows. If params is supplied, the must match |
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* that. Given there is more than one skill, we can't supply break |
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* them down to cleric/wizardry. |
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*/ |
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root |
1.5 |
static void |
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show_matching_spells (object *op, char *params) |
61 |
elmex |
1.1 |
{ |
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root |
1.5 |
object *spell; |
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char spell_sort[NROFREALSPELLS][MAX_BUF], tmp[MAX_BUF], *cp; |
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int num_found = 0, i; |
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/* We go and see what spells the player has. We put them |
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* into the spell_sort array so that we can sort them - |
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* we prefix the skill in the name so that the sorting |
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* works better. |
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*/ |
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for (spell = op->inv; spell != NULL; spell = spell->below) |
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{ |
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/* If it is a spell, and no params are passed, or they |
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* match the name, process this spell. |
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*/ |
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if (spell->type == SPELL && (!params || !strncmp (params, spell->name, strlen (params)))) |
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{ |
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if (spell->path_attuned & op->path_denied) |
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{ |
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sprintf (spell_sort[num_found++], "%s:%-22s %3s %3s", spell->skill ? &spell->skill : "generic", &spell->name, "den", "den"); |
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} |
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else |
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{ |
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sprintf (spell_sort[num_found++], |
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"%s:%-22s %3d %3d", spell->skill ? &spell->skill : "generic", |
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&spell->name, spell->level, SP_level_spellpoint_cost (op, spell, SPELL_HIGHEST)); |
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root |
1.2 |
} |
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} |
89 |
elmex |
1.1 |
} |
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root |
1.5 |
if (!num_found) |
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{ |
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/* If a matching string was passed along, now try it without that |
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* string. It is odd to do something like 'cast trans', |
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* and it say you have no spells, when really, you do, but just |
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* nothing that matches. |
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*/ |
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if (params) |
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show_matching_spells (op, NULL); |
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else |
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new_draw_info (NDI_UNIQUE, 0, op, "You know no spells"); |
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} |
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else |
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{ |
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/* Note in the code below that we make some |
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* presumptions that there will be a colon in the |
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* string. given the code above, this is always |
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* the case. |
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*/ |
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qsort (spell_sort, num_found, MAX_BUF, (int (*)(const void *, const void *)) strcmp); |
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strcpy (tmp, "asdfg"); /* Dummy string so initial compare fails */ |
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for (i = 0; i < num_found; i++) |
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{ |
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/* Different skill name, so print banner */ |
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if (strncmp (tmp, spell_sort[i], strlen (tmp))) |
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{ |
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strcpy (tmp, spell_sort[i]); |
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cp = strchr (tmp, ':'); |
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*cp = '\0'; |
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new_draw_info (NDI_UNIQUE, 0, op, ""); |
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new_draw_info_format (NDI_UNIQUE, 0, op, "%s spells %.*s [lvl] [sp]", tmp, 12 - strlen (tmp), " "); |
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root |
1.2 |
} |
122 |
root |
1.5 |
new_draw_info (NDI_UNIQUE, 0, op, strchr (spell_sort[i], ':') + 1); |
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root |
1.2 |
} |
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elmex |
1.1 |
} |
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} |
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/* sets up to cast a spell. op is the caster, params is the spell name, |
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* and command is the first letter of the spell type (c=cast, i=invoke, |
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* p=prepare). Invoke casts a spell immediately, where as cast (and I believe |
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* prepare) just set up the range type. |
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*/ |
132 |
root |
1.5 |
int |
133 |
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command_cast_spell (object *op, char *params, char command) |
134 |
elmex |
1.1 |
{ |
135 |
root |
1.5 |
int castnow = 0; |
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char *cp; |
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object *spob; |
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if (command == 'i') |
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castnow = 1; |
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/* Remove control of the golem */ |
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root |
1.10 |
if (op->contr->ranges[range_golem]) |
144 |
root |
1.5 |
{ |
145 |
root |
1.10 |
remove_friendly_object (op->contr->ranges[range_golem]); |
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remove_ob (op->contr->ranges[range_golem]); |
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free_object (op->contr->ranges[range_golem]); |
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root |
1.6 |
|
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root |
1.10 |
op->contr->ranges[range_golem] = 0; |
150 |
elmex |
1.1 |
} |
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152 |
root |
1.5 |
if (params != NULL) |
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{ |
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int spellnumber = 0; |
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if ((spellnumber = atoi (params))) |
157 |
root |
1.9 |
for (spob = op->inv; spob && spob->count != spellnumber; spob = spob->below) |
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root |
1.6 |
/* nop */; |
159 |
root |
1.5 |
else |
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spob = lookup_spell_by_name (op, params); |
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if (spob && spob->type == SPELL) |
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{ |
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/* Now grab any extra data, if there is any. Forward pass |
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* any 'of' delimiter |
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*/ |
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if (spellnumber) |
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{ |
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/* if we passed a number, the options start at the second word */ |
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cp = strchr (params, ' '); |
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if (cp) |
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{ |
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cp++; |
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if (!strncmp (cp, "of ", 3)) |
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cp += 3; |
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root |
1.2 |
} |
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} |
178 |
root |
1.5 |
else if (strlen (params) > (size_t) strlen (spob->name)) |
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{ |
180 |
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cp = params + strlen (spob->name); |
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*cp = 0; |
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cp++; |
183 |
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if (!strncmp (cp, "of ", 3)) |
184 |
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cp += 3; |
185 |
root |
1.2 |
} |
186 |
root |
1.5 |
else |
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cp = NULL; |
188 |
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189 |
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if (spob->skill && !find_skill_by_name (op, spob->skill)) |
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{ |
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new_draw_info_format (NDI_UNIQUE, 0, op, "You need the skill %s to cast %s!", &spob->skill, &spob->name); |
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return 1; |
193 |
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} |
194 |
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195 |
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if (castnow) |
196 |
root |
1.6 |
cast_spell (op, op, op->facing, spob, cp); |
197 |
root |
1.5 |
else |
198 |
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{ |
199 |
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op->contr->ranges[range_magic] = spob; |
200 |
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op->contr->shoottype = range_magic; |
201 |
root |
1.7 |
assign (op->contr->spellparam, cp ? cp : ""); |
202 |
root |
1.5 |
new_draw_info_format (NDI_UNIQUE, 0, op, "You ready the spell %s", &spob->name); |
203 |
root |
1.2 |
} |
204 |
root |
1.6 |
|
205 |
root |
1.5 |
return 0; |
206 |
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} /* else fall through to below and print spells */ |
207 |
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} /* params supplied */ |
208 |
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209 |
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/* We get here if cast was given without options or we could not find |
210 |
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* the requested spell. List all the spells the player knows. |
211 |
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*/ |
212 |
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new_draw_info (NDI_UNIQUE, 0, op, "Cast what spell? Choose one of:"); |
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show_matching_spells (op, params); |
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return 1; |
215 |
elmex |
1.1 |
} |
216 |
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217 |
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/**************************************************************************/ |
218 |
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219 |
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/* Returns TRUE if the range specified (int r) is legal - that is, |
220 |
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* the character has an item that is equipped for that range type. |
221 |
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* return 0 if there is no item of that range type that is usable. |
222 |
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* This function could probably be simplified, eg, everything |
223 |
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* should index into the ranges[] array. |
224 |
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*/ |
225 |
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226 |
root |
1.5 |
int |
227 |
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legal_range (object *op, int r) |
228 |
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{ |
229 |
elmex |
1.1 |
|
230 |
root |
1.5 |
switch (r) |
231 |
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{ |
232 |
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case range_none: /* "Nothing" is always legal */ |
233 |
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return 1; |
234 |
root |
1.10 |
|
235 |
root |
1.2 |
case range_bow: |
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case range_misc: |
237 |
root |
1.5 |
case range_magic: /* cast spells */ |
238 |
root |
1.10 |
return !!op->contr->ranges[r]; |
239 |
root |
1.5 |
|
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case range_golem: /* Use scrolls */ |
241 |
root |
1.10 |
return !!op->contr->ranges[range_golem]; |
242 |
root |
1.2 |
|
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case range_skill: |
244 |
root |
1.10 |
return !!op->chosen_skill; |
245 |
elmex |
1.1 |
} |
246 |
root |
1.10 |
|
247 |
root |
1.5 |
/* No match above, must not be valid */ |
248 |
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return 0; |
249 |
elmex |
1.1 |
} |
250 |
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251 |
root |
1.5 |
void |
252 |
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change_spell (object *op, char k) |
253 |
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{ |
254 |
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255 |
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do |
256 |
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{ |
257 |
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op->contr->shoottype = (rangetype) (op->contr->shoottype + ((k == '+') ? 1 : -1)); |
258 |
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if (op->contr->shoottype >= range_size) |
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op->contr->shoottype = range_none; |
260 |
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else if (op->contr->shoottype <= range_bottom) |
261 |
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op->contr->shoottype = (rangetype) (range_size - 1); |
262 |
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} |
263 |
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while (!legal_range (op, op->contr->shoottype)); |
264 |
elmex |
1.1 |
|
265 |
root |
1.5 |
/* Legal range has already checked that we have an appropriate item |
266 |
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* that uses the slot, so we don't need to be too careful about |
267 |
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* checking the status of the object. |
268 |
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*/ |
269 |
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switch (op->contr->shoottype) |
270 |
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{ |
271 |
root |
1.2 |
case range_none: |
272 |
root |
1.5 |
new_draw_info (NDI_UNIQUE, 0, op, "No ranged attack chosen."); |
273 |
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break; |
274 |
root |
1.2 |
|
275 |
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case range_golem: |
276 |
root |
1.5 |
new_draw_info (NDI_UNIQUE, 0, op, "You regain control of your golem."); |
277 |
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break; |
278 |
root |
1.2 |
|
279 |
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case range_bow: |
280 |
root |
1.5 |
new_draw_info_format (NDI_UNIQUE, 0, op, "Switched to %s and %s.", query_name (op->contr->ranges[range_bow]), |
281 |
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op->contr->ranges[range_bow]->race ? &op->contr->ranges[range_bow]->race : "nothing"); |
282 |
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break; |
283 |
root |
1.2 |
|
284 |
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case range_magic: |
285 |
root |
1.5 |
new_draw_info_format (NDI_UNIQUE, 0, op, "Switched to spells (%s).", &op->contr->ranges[range_magic]->name); |
286 |
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break; |
287 |
root |
1.2 |
|
288 |
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case range_misc: |
289 |
root |
1.5 |
new_draw_info_format (NDI_UNIQUE, 0, op, "Switched to %s.", query_base_name (op->contr->ranges[range_misc], 0)); |
290 |
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break; |
291 |
root |
1.2 |
|
292 |
root |
1.5 |
case range_skill: |
293 |
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new_draw_info_format (NDI_UNIQUE, 0, op, "Switched to skill: %s", op->chosen_skill ? &op->chosen_skill->name : "none"); |
294 |
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break; |
295 |
elmex |
1.1 |
|
296 |
root |
1.2 |
default: |
297 |
root |
1.5 |
break; |
298 |
elmex |
1.1 |
} |
299 |
|
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} |
300 |
|
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|
301 |
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|
302 |
root |
1.5 |
int |
303 |
|
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command_rotateshoottype (object *op, char *params) |
304 |
elmex |
1.1 |
{ |
305 |
|
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if (!params) |
306 |
root |
1.5 |
change_spell (op, '+'); |
307 |
elmex |
1.1 |
else |
308 |
root |
1.5 |
change_spell (op, params[0]); |
309 |
elmex |
1.1 |
return 0; |
310 |
|
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} |