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authorpeter1138 <peter1138@openttd.org>2008-01-04 18:18:46 +0000
committerpeter1138 <peter1138@openttd.org>2008-01-04 18:18:46 +0000
commit9299f76af42eb4c8ca8d7077fc60f87c2d962047 (patch)
tree508479974d8c96e3bbe1e304ace061d91d4a6d71
parent6a1306793108d0ebd51c8d79b8bb8cecd77a6ef6 (diff)
downloadopenttd-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.
-rw-r--r--src/clear_cmd.cpp12
-rw-r--r--src/gui.h2
-rw-r--r--src/main_gui.cpp2
-rw-r--r--src/terraform_gui.cpp18
4 files changed, 23 insertions, 11 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);
diff --git a/src/gui.h b/src/gui.h
index 4d2a0cf70..38d41175a 100644
--- a/src/gui.h
+++ b/src/gui.h
@@ -64,6 +64,8 @@ VARDEF PlaceProc *_place_proc;
* you've selected it. */
enum {
DDSP_DEMOLISH_AREA,
+ DDSP_RAISE_AND_LEVEL_AREA,
+ DDSP_LOWER_AND_LEVEL_AREA,
DDSP_LEVEL_AREA,
DDSP_CREATE_DESERT,
DDSP_CREATE_ROCKS,
diff --git a/src/main_gui.cpp b/src/main_gui.cpp
index cf4ef3d54..73a51f6e5 100644
--- a/src/main_gui.cpp
+++ b/src/main_gui.cpp
@@ -1382,6 +1382,8 @@ static void ScenEditLandGenWndProc(Window *w, WindowEvent *e)
case DDSP_CREATE_ROCKS:
case DDSP_CREATE_DESERT:
case DDSP_CREATE_WATER:
+ case DDSP_RAISE_AND_LEVEL_AREA:
+ case DDSP_LOWER_AND_LEVEL_AREA:
case DDSP_LEVEL_AREA:
case DDSP_DEMOLISH_AREA:
GUIPlaceProcDragXY(e);
diff --git a/src/terraform_gui.cpp b/src/terraform_gui.cpp
index cf22fd5e9..b078261b4 100644
--- a/src/terraform_gui.cpp
+++ b/src/terraform_gui.cpp
@@ -105,6 +105,12 @@ bool GUIPlaceProcDragXY(const WindowEvent *e)
case DDSP_DEMOLISH_AREA:
DoCommandP(end_tile, start_tile, 0, CcPlaySound10, CMD_CLEAR_AREA | CMD_MSG(STR_00B5_CAN_T_CLEAR_THIS_AREA));
break;
+ case DDSP_RAISE_AND_LEVEL_AREA:
+ DoCommandP(end_tile, start_tile, 1, CcTerraform, CMD_LEVEL_LAND| CMD_MSG(STR_0808_CAN_T_RAISE_LAND_HERE));
+ break;
+ case DDSP_LOWER_AND_LEVEL_AREA:
+ DoCommandP(end_tile, start_tile, -1, CcTerraform, CMD_LEVEL_LAND | CMD_MSG(STR_0809_CAN_T_LOWER_LAND_HERE));
+ break;
case DDSP_LEVEL_AREA:
DoCommandP(end_tile, start_tile, 0, CcPlaySound10, CMD_LEVEL_LAND);
break;
@@ -143,18 +149,12 @@ void PlaceProc_DemolishArea(TileIndex tile)
static void PlaceProc_RaiseLand(TileIndex tile)
{
- DoCommandP(
- tile, SLOPE_N, 1, CcTerraform,
- CMD_TERRAFORM_LAND | CMD_MSG(STR_0808_CAN_T_RAISE_LAND_HERE)
- );
+ VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_RAISE_AND_LEVEL_AREA);
}
static void PlaceProc_LowerLand(TileIndex tile)
{
- DoCommandP(
- tile, SLOPE_N, 0, CcTerraform,
- CMD_TERRAFORM_LAND | CMD_MSG(STR_0809_CAN_T_LOWER_LAND_HERE)
- );
+ VpStartPlaceSizing(tile, VPM_X_AND_Y, DDSP_LOWER_AND_LEVEL_AREA);
}
void PlaceProc_LevelLand(TileIndex tile)
@@ -244,6 +244,8 @@ static void TerraformToolbWndProc(Window *w, WindowEvent *e)
if (e->we.place.pt.x != -1) {
switch (e->we.place.select_proc) {
case DDSP_DEMOLISH_AREA:
+ case DDSP_RAISE_AND_LEVEL_AREA:
+ case DDSP_LOWER_AND_LEVEL_AREA:
case DDSP_LEVEL_AREA:
GUIPlaceProcDragXY(e);
break;