/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 */

/* [Alternate Name: Door Processing]
 */

#include "immortal/immortal.h"

namespace Immortal {

enum DoorMask {
	kDoorXMask    = 0x1f,               // Only relevant for extracting the data from the compressed bytes in the story record
	kDoorYMask    = 0x1f,
	kDoorFullMask = 0x40,
	kDoorOnMask   = 0x60
};

enum DoorIs {
	kDoorIsRight  = 0x80,
	kDoorIsBusy   = 0x40,
	kDoorIsLocked = 0x20
};

enum DoorSide {
	kDoorTopPriority = 64,
	kDoorPriority    = 85 - kDoorTopPriority,
	kDoorLeftTop     = 24,              // To left of this enters door
	kDoorRightTop    = 8,               // To right of this enters door
	kDoorLeftBottom  = 10,
	kDoorRightBottom = 22,
	kDoorTopBottom   = 20
};

void ImmortalEngine::doorNew(SDoor door) {
	Door d;
	d._x = door._x;
	d._y = door._y;
	d._fromRoom = door._fromRoom;
	d._toRoom = door._toRoom;
	d._busyOnRight = door._dir | door._x;
	d._on = door._y & kDoorYMask;
	_doors.push_back(d);
}

/* TODO
 * Not implemented yet
 */
int ImmortalEngine::findDoorTop(int x, int y) {
	return 0;
}

/* TODO
 * Not implemented yet
 */
int ImmortalEngine::findDoor(int x, int y) {
	return 0;
}

/* TODO
 * Not implemented yet
 */
bool ImmortalEngine::doLockStuff(int d, MonsterID m, int top) {
	return true;
}

/* TODO
 * Not implemented yet
 */
bool ImmortalEngine::inDoorTop(int x, int y, MonsterID m) {
	return true;
}

/* TODO
 * Not implemented yet
 */
bool ImmortalEngine::inDoor(int x, int y, MonsterID m) {
	return true;
}

/* TODO
 * Not implemented yet
 */
int ImmortalEngine::doorDoStep(MonsterID m, int d, int index) {
	return 0;
}

/* TODO
 * Not implemented yet
 */
int ImmortalEngine::doorSetOn(int d) {
	return 0;
}

/* TODO
 * Not implemented yet
 */
int ImmortalEngine::doorComeOut(MonsterID m) {
	return 0;
}

/* TODO
 * These functions are not yet implemented
 */
void ImmortalEngine::doorSetLadders(MonsterID m) {}
void ImmortalEngine::doorDrawAll() {}
void ImmortalEngine::doorOnDoorMat() {}
void ImmortalEngine::doorOpenSecret() {}
void ImmortalEngine::doorCloseSecret() {}
void ImmortalEngine::doorInit() {}
void ImmortalEngine::doorClrLock() {}

} // namespace Immortal