Crossfire Server, Trunk
trapdoor.cpp
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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 trapdoor_type_move_on(object *trap, object *victim, object *originator);
34 
38 void init_type_trapdoor(void) {
40 }
41 
49 static method_ret trapdoor_type_move_on(object *trap, object *victim, object *originator) {
50  int max, sound_was_played;
51  object *ab, *ab_next;
52  if (common_pre_ob_move_on(trap, victim, originator) == METHOD_ERROR)
53  return METHOD_OK;
54  if (!trap->value) {
55  int tot;
56 
57  for (ab = trap->above, tot = 0; ab != NULL; ab = ab->above)
58  if ((ab->move_type && trap->move_on) || ab->move_type == 0)
59  tot += NROF(ab)*ab->weight+ab->carrying;
60 
61  if (!(trap->value = (tot > trap->weight) ? 1 : 0)) {
62  common_post_ob_move_on(trap, victim, originator);
63  return METHOD_OK;
64  }
65  SET_ANIMATION(trap, trap->value);
67  }
68 
69  for (ab = trap->above, max = 100, sound_was_played = 0; --max && ab; ab = ab_next) {
70  /* need to set this up, since if we do transfer the object,
71  * ab->above would be bogus
72  */
73  ab_next = ab->above;
74 
75  if ((ab->move_type && trap->move_on) || ab->move_type == 0) {
76  if (!sound_was_played) {
77  play_sound_map(SOUND_TYPE_GROUND, trap, 0, "fall hole");
78  sound_was_played = 1;
79  }
81  "You fall into a trapdoor!");
82  transfer_ob(ab, (int)EXIT_X(trap), (int)EXIT_Y(trap), 0, ab);
83  }
84  }
85  common_post_ob_move_on(trap, victim, originator);
86  return METHOD_OK;
87 }
UP_OBJ_FACE
#define UP_OBJ_FACE
Definition: object.h:522
global.h
METHOD_OK
#define METHOD_OK
Definition: ob_methods.h:15
register_move_on
void register_move_on(int ob_type, move_on_func method)
Definition: ob_types.cpp:89
SET_ANIMATION
#define SET_ANIMATION(ob, newanim)
Definition: global.h:166
play_sound_map
void play_sound_map(int8_t sound_type, object *emitter, int dir, const char *action)
Definition: sounds.cpp:113
object::above
object * above
Definition: object.h:294
object::carrying
int32_t carrying
Definition: object.h:375
object_update
void object_update(object *op, int action)
Definition: object.cpp:1434
NROF
static uint32_t NROF(const object *const ob)
Definition: object.h:614
common_pre_ob_move_on
method_ret common_pre_ob_move_on(object *trap, object *victim, object *originator)
Definition: common_apply.cpp:35
object::move_type
MoveType move_type
Definition: object.h:432
object::value
int32_t value
Definition: object.h:358
MSG_TYPE_APPLY_TRAP
#define MSG_TYPE_APPLY_TRAP
Definition: newclient.h:606
object::move_on
MoveType move_on
Definition: object.h:435
say.max
dictionary max
Definition: say.py:148
sproto.h
EXIT_X
#define EXIT_X(xyz)
Definition: define.h:441
object::weight
int32_t weight
Definition: object.h:373
transfer_ob
int transfer_ob(object *op, int x, int y, int randomly, object *originator)
Definition: move.cpp:163
method_ret
char method_ret
Definition: ob_methods.h:14
ob_types.h
sounds.h
NDI_UNIQUE
#define NDI_UNIQUE
Definition: newclient.h:262
trapdoor_type_move_on
static method_ret trapdoor_type_move_on(object *trap, object *victim, object *originator)
Definition: trapdoor.cpp:49
SOUND_TYPE_GROUND
#define SOUND_TYPE_GROUND
Definition: newclient.h:336
reputation.victim
victim
Definition: reputation.py:14
EXIT_Y
#define EXIT_Y(xyz)
Definition: define.h:442
draw_ext_info
void draw_ext_info(int flags, int pri, const object *pl, uint8_t type, uint8_t subtype, const char *message)
Definition: main.cpp:308
init_type_trapdoor
void init_type_trapdoor(void)
Definition: trapdoor.cpp:38
METHOD_ERROR
#define METHOD_ERROR
Definition: ob_methods.h:17
ob_methods.h
MSG_TYPE_APPLY
#define MSG_TYPE_APPLY
Definition: newclient.h:408
common_post_ob_move_on
void common_post_ob_move_on(object *trap, object *victim, object *originator)
Definition: common_apply.cpp:67
TRAPDOOR
@ TRAPDOOR
Definition: object.h:213