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| author | peter1138 <peter1138@openttd.org> | 2008-01-04 18:18:46 +0000 |
|---|---|---|
| committer | peter1138 <peter1138@openttd.org> | 2008-01-04 18:18:46 +0000 |
| commit | 9299f76af42eb4c8ca8d7077fc60f87c2d962047 (patch) | |
| tree | 508479974d8c96e3bbe1e304ace061d91d4a6d71 /src/clear_cmd.cpp | |
| parent | 6a1306793108d0ebd51c8d79b8bb8cecd77a6ef6 (diff) | |
| download | openttd-9299f76af42eb4c8ca8d7077fc60f87c2d962047.tar.xz | |
(svn r11759) -Feature: Add drag-n-drop support to the raise/lower land tools. Land is raised/lowered at the start and the rest of the area levelled to match. Patch by Roujin.
Diffstat (limited to 'src/clear_cmd.cpp')
| -rw-r--r-- | src/clear_cmd.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/clear_cmd.cpp b/src/clear_cmd.cpp index eb443d85b..73183c504 100644 --- a/src/clear_cmd.cpp +++ b/src/clear_cmd.cpp @@ -355,7 +355,7 @@ CommandCost CmdTerraformLand(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) * @param tile end tile of area-drag * @param flags for this command type * @param p1 start tile of area drag - * @param p2 unused + * @param p2 height difference; eg raise (+1), lower (-1) or level (0) * @return error or cost of terraforming */ CommandCost CmdLevelLand(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) @@ -364,7 +364,7 @@ CommandCost CmdLevelLand(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) int ex; int ey; int sx, sy; - uint h, curh; + uint h, oldh, curh; CommandCost money; CommandCost ret; CommandCost cost; @@ -374,7 +374,13 @@ CommandCost CmdLevelLand(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); /* remember level height */ - h = TileHeight(p1); + oldh = TileHeight(p1); + + /* compute new height */ + h = oldh + p2; + + /* Check range of destination height */ + if (h > MAX_TILE_HEIGHT) return_cmd_error((oldh == 0) ? STR_1003_ALREADY_AT_SEA_LEVEL : STR_1004_TOO_HIGH); /* make sure sx,sy are smaller than ex,ey */ ex = TileX(tile); |