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/*
CrossFire, A Multiplayer game for X-windows
Copyright (C) 2007 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-devel@real-time.com
*/
/** @file trigger.c
* The implementation of the Trigger class of objects.
* Triggers are things like handles in the game.
*/
#include <global.h>
#include <ob_methods.h>
#include <ob_types.h>
#include <sounds.h>
#include <sproto.h>
static method_ret trigger_type_apply(ob_methods *context, object *op, object *applier, int aflags);
static method_ret trigger_type_process(ob_methods *context, object *op);
/**
* Initializer for the TRIGGER object type.
*/
void init_type_trigger(void) {
register_apply(TRIGGER, trigger_type_apply);
register_process(TRIGGER, trigger_type_process);
}
/**
* Attempts to apply a trigger.
* @param context The method context
* @param op The Trigger to apply
* @param applier The object attempting to apply the Trigger
* @param aflags Special flags (always apply/unapply)
* @return The return value is always 1
*/
static method_ret trigger_type_apply(ob_methods *context, object *op, object *applier, int aflags) {
if (check_trigger(op, applier)) {
draw_ext_info(NDI_UNIQUE, 0, applier, MSG_TYPE_APPLY, MSG_TYPE_APPLY_SUCCESS,
"You turn the handle.");
play_sound_map(SOUND_TYPE_GROUND, op, 0, "turn handle");
} else {
draw_ext_info(NDI_UNIQUE, 0, applier, MSG_TYPE_APPLY, MSG_TYPE_APPLY_FAILURE,
"The handle doesn't move.");
}
return 1;
}
/**
* Processes a Trigger.
* @param context The method context
* @param op The Trigger to process
* @return Always METHOD_OK
*/
static method_ret trigger_type_process(ob_methods *context, object *op) {
if ((unsigned char)++op->stats.wc >= NUM_ANIMATIONS(op)) {
op->stats.wc = 0;
check_trigger(op, NULL);
} else {
SET_ANIMATION(op, op->stats.wc);
object_update(op, UP_OBJ_FACE);
}
return METHOD_OK;
}
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