Crossfire Server, Trunk  R20513
altar.c
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1 /*
2  CrossFire, A Multiplayer game for X-windows
3 
4  Copyright (C) 2007 Mark Wedel & Crossfire Development Team
5  Copyright (C) 1992 Frank Tore Johansen
6 
7  This program is free software; you can redistribute it and/or modify
8  it under the terms of the GNU General Public License as published by
9  the Free Software Foundation; either version 2 of the License, or
10  (at your option) any later version.
11 
12  This program is distributed in the hope that it will be useful,
13  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  GNU General Public License for more details.
16 
17  You should have received a copy of the GNU General Public License
18  along with this program; if not, write to the Free Software
19  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 
21  The authors can be reached via e-mail at crossfire-devel@real-time.com
22 */
23 
27 #include <global.h>
28 #include <ob_methods.h>
29 #include <ob_types.h>
30 #include <sounds.h>
31 #include <sproto.h>
32 
33 static method_ret altar_type_move_on(ob_methods *context, object *trap, object *victim, object *originator);
34 
38 void init_type_altar(void) {
40 }
41 
50 static method_ret altar_type_move_on(ob_methods *context, object *trap, object *victim, object *originator) {
51  trap = HEAD(trap);
52 
53  if (common_pre_ob_move_on(trap, victim, originator) == METHOD_ERROR)
54  return METHOD_OK;
55 
56  /* sacrifice victim on trap */
57  /* Only players can make sacrifices on spell casting altars. */
58  if (trap->inv && (!originator || originator->type != PLAYER)) {
59  common_post_ob_move_on(trap, victim, originator);
60  return METHOD_OK;
61  }
62  if (operate_altar(trap, &victim)) {
63  /* Simple check. Unfortunately, it means you can't cast magic bullet
64  * with an altar. We call it a Potion - altars are stationary - it
65  * is up to map designers to use them properly.
66  */
67  if (trap->inv && trap->inv->type == SPELL) {
69  "The altar casts %s.", trap->inv->name);
70  cast_spell(originator, trap, 0, trap->inv, NULL);
71  } else {
72  trap->value = 1; /* works only once */
73  push_button(trap);
74  }
75  }
76  common_post_ob_move_on(trap, victim, originator);
77  return METHOD_OK;
78 }
void draw_ext_info_format(int flags, int pri, const object *pl, uint8_t type, uint8_t subtype, const char *format,...)
Sends message to player(s).
Definition: main.c:315
Sound-related defines.
void init_type_altar(void)
Initializer for the ALTAR object type.
Definition: altar.c:38
void push_button(object *op)
Push the specified object.
Definition: button.c:154
Typedefs for ob_methods.
Definition: ob_methods.h:45
method_ret common_pre_ob_move_on(object *trap, object *victim, object *originator)
Definition: common_apply.c:51
#define METHOD_ERROR
Definition: ob_methods.h:17
#define NDI_BLACK
Definition: newclient.h:221
Global type definitions and header inclusions.
#define MSG_TYPE_APPLY
Applying objects.
Definition: newclient.h:384
char method_ret
Define some standard return values for callbacks which don&#39;t need to return any other results...
Definition: ob_methods.h:14
static method_ret altar_type_move_on(ob_methods *context, object *trap, object *victim, object *originator)
Move on this Altar object.
Definition: altar.c:50
void register_move_on(int ob_type, move_on_func method)
Registers the move_on method for the given type.
Definition: ob_types.c:89
#define METHOD_OK
Definition: ob_methods.h:15
const char * name
The name of the object, obviously...
Definition: object.h:311
int operate_altar(object *altar, object **sacrifice)
Checks if sacrifice was accepted and removes sacrificed objects.
Definition: button.c:468
See Spell.
Definition: object.h:214
#define HEAD(op)
Returns the head part of an object.
Definition: object.h:594
Object type variables.
void common_post_ob_move_on(object *trap, object *victim, object *originator)
Definition: common_apply.c:87
See Player.
Definition: object.h:107
See Altar.
Definition: object.h:122
uint8_t type
PLAYER, BULLET, etc.
Definition: object.h:338
#define MSG_TYPE_APPLY_SUCCESS
Was able to apply object.
Definition: newclient.h:598
struct obj * inv
Pointer to the first object in the inventory.
Definition: object.h:290
Object type functions and variables.
int32_t value
How much money it is worth (or contains)
Definition: object.h:350
int cast_spell(object *op, object *caster, int dir, object *spell_ob, char *stringarg)
Main dispatch when someone casts a spell.
Definition: spell_util.c:1471