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(svn r25848) -Codechange: Refactor check for if a tile is not an edge tile to new IsInnerTile method (cirdan, LordAro)

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This commit is contained in:
zuu 2013-10-12 22:03:13 +00:00
parent d908897918
commit b35b8aa5bb
4 changed files with 21 additions and 10 deletions
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3
src/heightmap.cpp
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@ -364,8 +364,7 @@ static void GrayscaleToMapHeights(uint img_width, uint img_height, byte *map)
SetTileHeight(tile, map[img_row * img_width + img_col] / 16);
}
/* Only clear the tiles within the map area. */
if (TileX(tile) != MapMaxX() && TileY(tile) != MapMaxY() &&
(!_settings_game.construction.freeform_edges || (TileX(tile) != 0 && TileY(tile) != 0))) {
if (IsInnerTile(tile)) {
MakeClear(tile, CLEAR_GRASS, 3);
}
}

3
src/tgp.cpp
View File

@ -950,8 +950,7 @@ static void TgenSetTileHeight(TileIndex tile, int height)
SetTileHeight(tile, height);
/* Only clear the tiles within the map area. */
if (TileX(tile) != MapMaxX() && TileY(tile) != MapMaxY() &&
(!_settings_game.construction.freeform_edges || (TileX(tile) != 0 && TileY(tile) != 0))) {
if (IsInnerTile(tile)) {
MakeClear(tile, CLEAR_GRASS, 3);
}
}

6
src/tile_map.cpp
View File

@ -22,11 +22,7 @@ Slope GetTileSlope(TileIndex tile, int *h)
{
assert(tile < MapSize());
uint x = TileX(tile);
uint y = TileY(tile);
if (x == MapMaxX() || y == MapMaxY() ||
((x == 0 || y == 0) && _settings_game.construction.freeform_edges)) {
if (!IsInnerTile(tile)) {
if (h != NULL) *h = TileHeight(tile);
return SLOPE_FLAT;
}

19
src/tile_map.h
View File

@ -77,6 +77,23 @@ static inline TileType GetTileType(TileIndex tile)
return (TileType)GB(_m[tile].type_height, 4, 4);
}
/**
* Check if a tile is within the map (not a border)
*
* @param tile The tile to check
* @return Whether the tile is in the interior of the map
* @pre tile < MapSize()
*/
static inline bool IsInnerTile(TileIndex tile)
{
assert(tile < MapSize());
uint x = TileX(tile);
uint y = TileY(tile);
return x < MapMaxX() && y < MapMaxY() && ((x > 0 && y > 0) || !_settings_game.construction.freeform_edges);
}
/**
* Set the type of a tile
*
@ -95,7 +112,7 @@ static inline void SetTileType(TileIndex tile, TileType type)
/* VOID tiles (and no others) are exactly allowed at the lower left and right
* edges of the map. If _settings_game.construction.freeform_edges is true,
* the upper edges of the map are also VOID tiles. */
assert((TileX(tile) == MapMaxX() || TileY(tile) == MapMaxY() || (_settings_game.construction.freeform_edges && (TileX(tile) == 0 || TileY(tile) == 0))) == (type == MP_VOID));
assert(IsInnerTile(tile) == (type != MP_VOID));
SB(_m[tile].type_height, 4, 4, type);
}