server-1.12/types/altar/altar.c

80 lines
2.8 KiB
C

/*
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 altar.c
* The implementation of the Altar class of objects.
*/
#include <global.h>
#include <ob_methods.h>
#include <ob_types.h>
#include <sounds.h>
#include <sproto.h>
static method_ret altar_type_move_on(ob_methods *context, object *trap, object *victim, object *originator);
/**
* Initializer for the ALTAR object type.
*/
void init_type_altar(void) {
register_move_on(ALTAR, altar_type_move_on);
}
/**
* Move on this Altar object.
* @param context The method context
* @param trap The Altar we're moving on
* @param victim The object moving over this one
* @param originator The object that caused the move_on event
* @return METHOD_OK
*/
static method_ret altar_type_move_on(ob_methods *context, object *trap, object *victim, object *originator) {
if (trap->head)
trap = trap->head;
if (common_pre_ob_move_on(trap, victim, originator) == METHOD_ERROR)
return METHOD_OK;
/* sacrifice victim on trap */
/* Only players can make sacrifices on spell casting altars. */
if (trap->inv && (!originator || originator->type != PLAYER)) {
common_post_ob_move_on(trap, victim, originator);
return METHOD_OK;
}
if (operate_altar(trap, &victim)) {
/* Simple check. Unfortunately, it means you can't cast magic bullet
* with an altar. We call it a Potion - altars are stationary - it
* is up to map designers to use them properly.
*/
if (trap->inv && trap->inv->type == SPELL) {
draw_ext_info_format(NDI_BLACK, 0, originator, MSG_TYPE_APPLY, MSG_TYPE_APPLY_SUCCESS,
"The altar casts %s.", "The altar casts %s.", trap->inv->name);
cast_spell(originator, trap, 0, trap->inv, NULL);
} else {
trap->value = 1; /* works only once */
push_button(trap);
}
}
common_post_ob_move_on(trap, victim, originator);
return METHOD_OK;
}