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changeset 18874:cbdefaa36526 draft

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(svn r23723) -Codechange: speedup flood checks a bit
author yexo <yexo@openttd.org>
date Tue, 03 Jan 2012 00:44:23 +0000
parents 2b302b40fba9
children b09d72b6f543
files src/object_cmd.cpp src/water_cmd.cpp
diffstat 2 files changed, 6 insertions(+), 6 deletions(-) [+]
line wrap: on
line diff
--- a/src/object_cmd.cpp
+++ b/src/object_cmd.cpp
@@ -697,8 +697,8 @@
 				assert(tile < MapSize());
 				break;
 			}
-			tile = AddTileIndexDiffCWrap(tile, TileIndexDiffCByDiagDir(dir));
-			if (tile == INVALID_TILE) break;
+			tile += TileOffsByDiagDir(dir);
+			if (!IsValidTile(tile)) break;
 		}
 	}
 }
--- a/src/water_cmd.cpp
+++ b/src/water_cmd.cpp
@@ -1148,8 +1148,8 @@
 	switch (GetFloodingBehaviour(tile)) {
 		case FLOOD_ACTIVE:
 			for (Direction dir = DIR_BEGIN; dir < DIR_END; dir++) {
-				TileIndex dest = AddTileIndexDiffCWrap(tile, TileIndexDiffCByDir(dir));
-				if (dest == INVALID_TILE) continue;
+				TileIndex dest = tile + TileOffsByDir(dir);
+				if (!IsValidTile(dest)) continue;
 				/* do not try to flood water tiles - increases performance a lot */
 				if (IsTileType(dest, MP_WATER)) continue;
 
@@ -1167,8 +1167,8 @@
 			Slope slope_here = GetFoundationSlope(tile) & ~SLOPE_HALFTILE_MASK & ~SLOPE_STEEP;
 			uint dir;
 			FOR_EACH_SET_BIT(dir, _flood_from_dirs[slope_here]) {
-				TileIndex dest = AddTileIndexDiffCWrap(tile, TileIndexDiffCByDir((Direction)dir));
-				if (dest == INVALID_TILE) continue;
+				TileIndex dest = tile + TileOffsByDir(dir);
+				if (!IsValidTile(dest)) continue;
 
 				FloodingBehaviour dest_behaviour = GetFloodingBehaviour(dest);
 				if ((dest_behaviour == FLOOD_ACTIVE) || (dest_behaviour == FLOOD_PASSIVE)) return;