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author | tron <tron@openttd.org> | 2005-02-07 10:41:45 +0000 |
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committer | tron <tron@openttd.org> | 2005-02-07 10:41:45 +0000 |
commit | f8d97a5f616c5e303b2822316fcef409baee6195 (patch) | |
tree | 6fb9696d4610ea19244f194d0c47fa748af72fd4 /landscape.c | |
parent | ad837c2069d37ad36dfba07f62bd35a6694dd266 (diff) | |
download | openttd-f8d97a5f616c5e303b2822316fcef409baee6195.tar.xz |
(svn r1839) Move GetTileSlope() and GetTileZ() into tile.[ch] and use more explicit types as parameters
Diffstat (limited to 'landscape.c')
-rw-r--r-- | landscape.c | 41 |
1 files changed, 1 insertions, 40 deletions
diff --git a/landscape.c b/landscape.c index bdf596d70..462e669b1 100644 --- a/landscape.c +++ b/landscape.c @@ -41,45 +41,6 @@ const byte _tileh_to_sprite[32] = { 0,0,0,0,0,0,0,16,0,0,0,17,0,15,18,0, }; -uint GetTileSlope(uint tile, int *h) -{ - uint a,b,c,d,min; - int r; - - assert(tile < MapSize()); - - if (TileX(tile) == MapMaxX() || TileY(tile) == MapMaxY()) { - if (h) - *h = 0; - return 0; - } - - min = a = TileHeight(tile); - b = TileHeight(tile + TILE_XY(1,0)); - if (min >= b) min = b; - c = TileHeight(tile + TILE_XY(0,1)); - if (min >= c) min = c; - d = TileHeight(tile + TILE_XY(1,1)); - if (min >= d) min = d; - - r = 0; - if ((a-=min)!=0) { r += (--a << 4) + 8; } - if ((c-=min)!=0) { r += (--c << 4) + 4; } - if ((d-=min)!=0) { r += (--d << 4) + 2; } - if ((b-=min)!=0) { r += (--b << 4) + 1; } - - if (h != 0) - *h = min * 8; - - return r; -} - -int GetTileZ(uint tile) -{ - int h; - GetTileSlope(tile, &h); - return h; -} void FindLandscapeHeightByTile(TileInfo *ti, TileIndex tile) { @@ -488,7 +449,7 @@ void InitializeLandscape(uint log_x, uint log_y) void ConvertGroundTilesIntoWaterTiles(void) { TileIndex tile = 0; - int h; + uint h; for (tile = 0; tile < MapSize(); ++tile) { if (IsTileType(tile, MP_CLEAR) && GetTileSlope(tile, &h) == 0 && h == 0) { |