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(svn r4541) Add a type for slopes and replace many magic numbers by the appropriate enums

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tron
2006-04-23 13:48:16 +00:00
parent b5ce99c52d
commit 0347fb2ab6
28 changed files with 339 additions and 292 deletions
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16
tile.c
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@@ -8,27 +8,27 @@
* @param h uint pointer to write the height to
* @return the tileh
*/
uint GetTileh(uint n, uint w, uint e, uint s, uint *h)
Slope GetTileh(uint n, uint w, uint e, uint s, uint *h)
{
uint min = n;
uint r;
Slope r;
if (min >= w) min = w;
if (min >= e) min = e;
if (min >= s) min = s;
r = 0;
if ((n -= min) != 0) r += (--n << 4) + 8;
if ((e -= min) != 0) r += (--e << 4) + 4;
if ((s -= min) != 0) r += (--s << 4) + 2;
if ((w -= min) != 0) r += (--w << 4) + 1;
r = SLOPE_FLAT;
if ((n -= min) != 0) r += (--n << 4) + SLOPE_N;
if ((e -= min) != 0) r += (--e << 4) + SLOPE_E;
if ((s -= min) != 0) r += (--s << 4) + SLOPE_S;
if ((w -= min) != 0) r += (--w << 4) + SLOPE_W;
if (h != NULL) *h = min * TILE_HEIGHT;
return r;
}
uint GetTileSlope(TileIndex tile, uint *h)
Slope GetTileSlope(TileIndex tile, uint *h)
{
uint a;
uint b;