/*
* The Mana World
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World 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
* any later version.
*
* The Mana World 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 The Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*/
#ifndef _TMW_MAP_H
#define _TMW_MAP_H
#define MAP_WIDTH 200
#define MAP_HEIGHT 200
#define TILESET_WIDTH 30
#define WALKABLE 0
#define NOT_WALKABLE 1
/** Struct representing a tile. A tile is composed of 3 layers.
1st: Ground layer (used for grass, water, ...) -> bit 0-9 of data
2nd: Fringe layer (objects that are overlapped by the player) -> bit 10-19 of data
3rd: Over layer (roofs, tree leaves, ...) -> bit 20-29
Walk flag: tells if a tile is walkable or not -> bit 30
Animation flag: tells if a tile is animated or not -> bit 31
data field:
1st byte: [1][1][1][1][1][1][1][1]
2nd byte: [1][1][2][2][2][2][2][2]
3rd byte: [2][2][2][2][3][3][3][3]
4th byte: [3][3][3][3][3][3][W][A]
Legend:
1 - First layer
2 - Second layer
3 - Third layer
W - Walkability flag
A - Animated tile flag
flags field:
[l][l][f][f][f][f][f][f][f]
Legend:
l - Animated layer
f - future use
*/
struct TILE {
char data[4];
char flags;
};
struct MAP {
TILE tiles[MAP_WIDTH][MAP_HEIGHT];
char tileset[20];
char bg_music[20];
};
/** Loads a map file */
bool load_map(char *map_file);
/** Set walkability flag for a tile */
void set_walk(short x_c, short y_c, bool walkable);
/** Tell if a tile is walkable or not */
bool get_walk(short x_c, short y_c);
/** Tell if a tile is walkable or not (0=walkable,1=not walkable) */
unsigned char get_path_walk(unsigned short x, unsigned short y);
/** Tell if a tile is animated or not */
bool get_anim(short x_c, short y_c, char layer);
/** Set tile ID */
void set_tile(short x_c, short y_c, char layer, unsigned short id);
/** Return tile ID */
unsigned short get_tile(short x_c, short y_c, char layer);
/** Return tile x coordinate in tileset */
inline int get_tile_x(int x, int y, int layer) {
return get_tile(x,y,layer)%TILESET_WIDTH;
}
/** Return tile y coordinate in tileset */
inline int get_tile_y(int x, int y, int layer) {
return get_tile(x,y,layer)/TILESET_WIDTH;
}
#endif
