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