cpp/openttd-patchpack/source Changeset - r16750:d175f523b128

Changeset - r16750:d175f523b128

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rubidium - 13 years ago 2010-12-13 11:21:53
rubidium@openttd.org

(svn r21493) -Codechange: don't use the full 32 bits of the level land command to tell whether to raise, lower or keep the level of the first selected tile

4 files changed with 22 insertions and 7 deletions:

src/ai/api/ai_tile.cpp

src/map_type.h

src/terraform_cmd.cpp

src/terraform_gui.cpp

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src/ai/api/ai_tile.cpp

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@@ @@ -234,7 +234,7 @@ @@
 	EnforcePrecondition(false, start_tile < ::MapSize());
 	EnforcePrecondition(false, end_tile < ::MapSize());
-	return AIObject::DoCommand(end_tile, start_tile, 0, CMD_LEVEL_LAND);
+	return AIObject::DoCommand(end_tile, start_tile, LM_LEVEL << 1, CMD_LEVEL_LAND);
+}
 /* static */ bool AITile::DemolishTile(TileIndex tile)

src/map_type.h

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@@ @@ -75,4 +75,11 @@ static const uint MAX_MAP_SIZE = 1 @@
  */
 #define STRAIGHT_TRACK_LENGTH 7071/10000
 /** Argument for CmdLevelLand describing what to do. */
 enum LevelMode {
 	LM_LEVEL, ///< Level the land.
 	LM_LOWER, ///< Lower the land.
 	LM_RAISE, ///< Raise the land.
 };
 #endif /* MAP_TYPE_H */

src/terraform_cmd.cpp

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@@ @@ -378,7 +378,8 @@ CommandCost CmdTerraformLand(TileIndex t @@
  * @param tile end tile of area-drag
  * @param flags for this command type
  * @param p1 start tile of area drag
  * @param p2 height difference; eg raise (+1), lower (-1) or level (0)
  * @param p2 various bitstuffed data.
  *  bits 1 - 2: Mode of leveling \c LevelMode.
  * @param text unused
  * @return the cost of this operation or an error
  */
@@ @@ -392,14 +393,21 @@ CommandCost CmdLevelLand(TileIndex tile, @@
 	uint oldh = TileHeight(p1);
 	/* compute new height */
 	uint h = oldh + (int8)p2;
 	uint h = oldh;
 	LevelMode lm = (LevelMode)GB(p2, 1, 2);
 	switch (lm) {
 		case LM_LEVEL: break;
 		case LM_RAISE: h++; break;
 		case LM_LOWER: h--; break;
 		default: return CMD_ERROR;
+	}
 	/* Check range of destination height */
 	if (h > MAX_TILE_HEIGHT) return_cmd_error((oldh == 0) ? STR_ERROR_ALREADY_AT_SEA_LEVEL : STR_ERROR_TOO_HIGH);
 	Money money = GetAvailableMoneyForCommand();
 	CommandCost cost(EXPENSES_CONSTRUCTION);
-	CommandCost last_error((p2 == 0) ? STR_ERROR_ALREADY_LEVELLED : INVALID_STRING_ID);
+	CommandCost last_error(lm == LM_LEVEL ? STR_ERROR_ALREADY_LEVELLED : INVALID_STRING_ID);
 	bool had_success = false;
 	TileArea ta(tile, p1);

src/terraform_gui.cpp

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@@ @@ -110,13 +110,13 @@ bool GUIPlaceProcDragXY(ViewportDragDrop @@
 			DoCommandP(end_tile, start_tile, 0, CMD_CLEAR_AREA | CMD_MSG(STR_ERROR_CAN_T_CLEAR_THIS_AREA), CcPlaySound10);
 			break;
 		case DDSP_RAISE_AND_LEVEL_AREA:
 			DoCommandP(end_tile, start_tile, 1, CMD_LEVEL_LAND | CMD_MSG(STR_ERROR_CAN_T_RAISE_LAND_HERE), CcTerraform);
+			DoCommandP(end_tile, start_tile, LM_RAISE << 1, CMD_LEVEL_LAND | CMD_MSG(STR_ERROR_CAN_T_RAISE_LAND_HERE), CcTerraform);
 			break;
 		case DDSP_LOWER_AND_LEVEL_AREA:
-			DoCommandP(end_tile, start_tile, (uint32)-1, CMD_LEVEL_LAND | CMD_MSG(STR_ERROR_CAN_T_LOWER_LAND_HERE), CcTerraform);
+			DoCommandP(end_tile, start_tile, LM_LOWER << 1, CMD_LEVEL_LAND | CMD_MSG(STR_ERROR_CAN_T_LOWER_LAND_HERE), CcTerraform);
 			break;
 		case DDSP_LEVEL_AREA:
-			DoCommandP(end_tile, start_tile, 0, CMD_LEVEL_LAND | CMD_MSG(STR_ERROR_CAN_T_LEVEL_LAND_HERE), CcTerraform);
+			DoCommandP(end_tile, start_tile, LM_LEVEL << 1, CMD_LEVEL_LAND | CMD_MSG(STR_ERROR_CAN_T_LEVEL_LAND_HERE), CcTerraform);
 			break;
 		case DDSP_CREATE_ROCKS:
 			GenerateRockyArea(end_tile, start_tile);

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