Crossfire Server, Trunk  R20513
common_trap.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 
41 method_ret common_trap_type_move_on(ob_methods *context, object *trap, object *victim, object *originator) {
42  if (common_pre_ob_move_on(trap, victim, originator) == METHOD_ERROR)
43  return METHOD_OK;
44  if (trap->level && QUERY_FLAG(victim, FLAG_ALIVE))
45  spring_trap(trap, victim);
46  common_post_ob_move_on(trap, victim, originator);
47  return METHOD_OK;
48 }
49 
67  int det = 0;
68 
69  if (!op->level) {
70  return METHOD_OK; /* runes of level zero cannot detonate. */
71  }
72 
73  det = op->invisible;
74  if (!(rndm(0, MAX(1, (op->stats.Cha))-1))) {
75  op->invisible = 0;
76  op->speed_left -= 1;
77  } else
78  op->invisible = 1;
79  if (op->invisible != det)
81  return METHOD_OK;
82 }
void spring_trap(object *trap, object *victim)
This function generalizes attacks by runes/traps.
Definition: rune.c:205
Sound-related defines.
#define UP_OBJ_FACE
Only thing that changed was the face.
Definition: object.h:519
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
int16_t invisible
How much longer the object will be invis.
Definition: object.h:360
#define MAX(x, y)
Definition: compat.h:20
void object_update(object *op, int action)
object_update() updates the array which represents the map.
Definition: object.c:1239
method_ret common_trap_type_process(ob_methods *context, object *op)
Processes a Rune or Trap.
Definition: common_trap.c:66
Global type definitions and header inclusions.
method_ret common_trap_type_move_on(ob_methods *context, object *trap, object *victim, object *originator)
Move on this Rune or Trap object.
Definition: common_trap.c:41
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
int rndm(int min, int max)
Returns a number between min and max.
Definition: utils.c:161
#define FLAG_ALIVE
Object can fight (or be fought)
Definition: define.h:230
float speed_left
How much speed is left to spend this round.
Definition: object.h:329
#define METHOD_OK
Definition: ob_methods.h:15
int8_t Cha
Definition: living.h:35
#define QUERY_FLAG(xyz, p)
Definition: define.h:225
Object type variables.
void common_post_ob_move_on(object *trap, object *victim, object *originator)
Definition: common_apply.c:87
living stats
Str, Con, Dex, etc.
Definition: object.h:368
Object type functions and variables.
int16_t level
Level of creature or object.
Definition: object.h:351