tron@679: #include "stdafx.h"
tron@679: #include "ttd.h"
tron@679: #include "map.h"
tron@679: 
tron@927: #define TILE_X_BITS 8
tron@927: #define TILE_Y_BITS 8
tron@927: 
tron@689: uint _map_log_x = TILE_X_BITS;
tron@689: uint _map_log_y = TILE_Y_BITS;
tron@689: 
tron@863: #define MAP_SIZE ((1 << TILE_X_BITS) * (1 << TILE_Y_BITS))
tron@863: 
tron@863: byte   _map_type_and_height [MAP_SIZE];
tron@863: byte   _map5                [MAP_SIZE];
tron@863: byte   _map3_lo             [MAP_SIZE];
tron@863: byte   _map3_hi             [MAP_SIZE];
tron@863: byte   _map_owner           [MAP_SIZE];
tron@863: uint16 _map2                [MAP_SIZE];
tron@863: byte   _map_extra_bits      [MAP_SIZE / 4];
tron@900: 
tron@955: 
tron@955: #ifdef _DEBUG
tron@955: TileIndex TileAdd(TileIndex tile, TileIndexDiff add,
tron@955: 	const char *exp, const char *file, int line)
tron@955: {
tron@955: 	int dx;
tron@955: 	int dy;
tron@955: 	uint x;
tron@955: 	uint y;
tron@955: 
tron@955: 	dx = add & MapMaxX();
darkvater@957: 	if (dx >= (int)MapSizeX() / 2) dx -= MapSizeX();
tron@955: 	dy = (add - dx) / (int)MapSizeX();
tron@955: 
tron@955: 	x = TileX(tile) + dx;
tron@955: 	y = TileY(tile) + dy;
tron@955: 
tron@955: 	if (x >= MapSizeX() || y >= MapSizeY()) {
tron@955: 		char buf[512];
tron@955: 
tron@955: 		sprintf(buf, "TILE_ADD(%s) when adding 0x%.4X and 0x%.4X failed",
tron@955: 			exp, tile, add);
tron@955: #if !defined(_MSC_VER)
tron@955: 		fprintf(stderr, "%s:%d %s\n", file, line, buf);
tron@955: #else
tron@955: 		_assert(buf, (char*)file, line);
tron@955: #endif
tron@955: 	}
tron@955: 
tron@955: 	assert(TILE_XY(x,y) == TILE_MASK(tile + add));
tron@955: 
tron@955: 	return TILE_XY(x,y);
tron@955: }
tron@955: #endif
tron@955: 
tron@955: 
tron@909: const TileIndexDiffC _tileoffs_by_dir[] = {
tron@909: 	{-1,  0},
tron@909: 	{ 0,  1},
tron@909: 	{ 1,  0},
tron@909: 	{ 0, -1}
tron@900: };