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