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/*
* Crossfire -- cooperative multi-player graphical RPG and adventure game
*
* Copyright (c) 1999-2014 Mark Wedel and the Crossfire Development Team
* Copyright (c) 1992 Frank Tore Johansen
*
* Crossfire is free software and comes with ABSOLUTELY NO WARRANTY. You are
* welcome to redistribute it under certain conditions. For details, please
* see COPYING and LICENSE.
*
* The authors can be reached via e-mail at <crossfire@metalforge.org>.
*/
/**
* @file
* The implementation of the Gate and Timed Gate classes of objects.
* @todo merge GATE and TIMED_GATE object types.
*/
#include "global.h"
#include <stdlib.h>
#include "ob_methods.h"
#include "ob_types.h"
#include "sounds.h"
#include "sproto.h"
static method_ret gate_type_process(ob_methods *context, object *op);
static method_ret timed_gate_type_process(ob_methods *context, object *op);
/**
* Initializer for the gate object type.
*/
void init_type_gate(void) {
register_process(GATE, gate_type_process);
register_process(TIMED_GATE, timed_gate_type_process);
}
/**
* Handle ob_process for all gate objects.
* @param context The method context
* @param op The gate that's being processed.
* @return METHOD_OK
*/
static method_ret gate_type_process(ob_methods *context, object *op) {
object *tmp, *part;
if (op->stats.wc < 0 || (int)op->stats.wc >= NUM_ANIMATIONS(op)) {
StringBuffer *sb;
char *diff;
LOG(llevError, "Gate error: animation was %d, max=%d, on %s (%d, %d)\n", op->stats.wc, NUM_ANIMATIONS(op), map_get_path(op), op->x, op->y);
sb = stringbuffer_new();
object_dump(op, sb);
diff = stringbuffer_finish(sb);
LOG(llevError, "%s\n", diff);
free(diff);
op->stats.wc = 0;
}
/* We're going down */
if (op->value) {
if (--op->stats.wc <= 0) { /* Reached bottom, let's stop */
op->stats.wc = 0;
if (op->arch->clone.speed)
op->value = 0;
else {
op->speed = 0;
object_update_speed(op);
}
}
for (part = op; part != NULL; part = part->more) {
if ((int)op->stats.wc < (NUM_ANIMATIONS(op)/2+1)) {
part->move_block = 0;
CLEAR_FLAG(part, FLAG_BLOCKSVIEW);
update_all_los(part->map, part->x, part->y);
}
SET_ANIMATION(part, op->stats.wc);
}
object_update(op, UP_OBJ_CHANGE);
play_sound_map(SOUND_TYPE_GROUND, op, 0, "gate moving");
return METHOD_OK;
}
/* We're going up */
/* First, lets see if we are already at the top */
if ((unsigned char)op->stats.wc == (NUM_ANIMATIONS(op)-1)) {
/* Check to make sure that only non pickable and non rollable
* objects are above the gate. If so, we finish closing the gate,
* otherwise, we fall through to the code below which should lower
* the gate slightly.
*/
for (tmp = op->above; tmp != NULL; tmp = tmp->above)
if (!QUERY_FLAG(tmp, FLAG_NO_PICK)
|| QUERY_FLAG(tmp, FLAG_CAN_ROLL)
|| QUERY_FLAG(tmp, FLAG_ALIVE))
break;
if (tmp == NULL) {
if (op->arch->clone.speed)
op->value = 1;
else {
op->speed = 0;
object_update_speed(op); /* Reached top, let's stop */
}
return METHOD_OK;
}
}
if (op->stats.food) { /* The gate is going temporarily down */
if (--op->stats.wc <= 0) { /* Gone all the way down? */
op->stats.food = 0; /* Then let's try again */
op->stats.wc = 0;
}
} else { /* The gate is still going up */
op->stats.wc++;
if ((int)op->stats.wc >= (NUM_ANIMATIONS(op)))
op->stats.wc = (signed char)NUM_ANIMATIONS(op)-1;
/* If there is something on top of the gate, we try to roll it off.
* If a player/monster, we don't roll, we just hit them with damage
*/
if ((int)op->stats.wc >= NUM_ANIMATIONS(op)/2) {
/* Halfway or further, check blocks */
/* First, get the top object on the square. */
for (tmp = op->above; tmp != NULL && tmp->above != NULL; tmp = tmp->above)
;
if (tmp != NULL) {
if (QUERY_FLAG(tmp, FLAG_ALIVE)) {
hit_player(tmp, random_roll(1, op->stats.dam, tmp, PREFER_LOW), op, AT_PHYSICAL, 1);
if (tmp->type == PLAYER)
draw_ext_info_format(NDI_UNIQUE, 0, tmp, MSG_TYPE_VICTIM, MSG_TYPE_VICTIM_WAS_HIT,
"You are crushed by the %s!",
op->name);
} else
/* If the object is not alive, and the object either can
* be picked up or the object rolls, move the object
* off the gate.
*/
if (!QUERY_FLAG(tmp, FLAG_ALIVE)
&& (!QUERY_FLAG(tmp, FLAG_NO_PICK) || QUERY_FLAG(tmp, FLAG_CAN_ROLL))) {
/* If it has speed, it should move itself, otherwise: */
int i = object_find_free_spot(tmp, op->map, op->x, op->y, 1, 9);
/* If there is a free spot, move the object someplace */
if (i != -1) {
object_remove(tmp);
object_insert_in_map_at(tmp, op->map, op, 0, op->x+freearr_x[i], op->y+freearr_y[i]);
}
}
}
/* See if there is still anything blocking the gate */
for (tmp = op->above; tmp != NULL; tmp = tmp->above)
if (!QUERY_FLAG(tmp, FLAG_NO_PICK)
|| QUERY_FLAG(tmp, FLAG_CAN_ROLL)
|| QUERY_FLAG(tmp, FLAG_ALIVE))
break;
/* IF there is, start putting the gate down */
if (tmp) {
op->stats.food = 1;
} else {
object* part;
for (part = op; part != NULL; part = part->more) {
if (!part->stats.luck)
part->move_block = MOVE_ALL;
if (!part->stats.ac) {
SET_FLAG(part, FLAG_BLOCKSVIEW);
update_all_los(part->map, part->x, part->y);
}
}
}
} /* gate is halfway up */
for (part = op; part != NULL; part = part->more) {
SET_ANIMATION(part, op->stats.wc);
}
object_update(op, UP_OBJ_CHANGE);
play_sound_map(SOUND_TYPE_GROUND, op, 0, "gate moving");
} /* gate is going up */
return METHOD_OK;
}
/**
* Handle ob_process for all timed gate objects.
* - hp : how long door is open/closed
* - maxhp : initial value for hp
* - sp : 1 = open, 0 = close
* @param context The method context
* @param op The timed gate that's being processed.
* @return METHOD_OK
* @todo Split function into more managable functions.
*/
static method_ret timed_gate_type_process(ob_methods *context, object *op) {
int v = op->value;
if (op->stats.sp) {
gate_type_process(context, op);
if (op->value != v) /* change direction ? */
op->stats.sp = 0;
return METHOD_OK;
}
if (--op->stats.hp <= 0) { /* keep gate down */
gate_type_process(context, op);
if (op->value != v) { /* ready ? */
op->speed = 0;
object_update_speed(op);
}
}
return METHOD_OK;
}
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