# HG changeset patch
# User rubidium <rubidium@openttd.org>
# Date 2009-07-13 23:15:13
# Node ID b07134554c65fc389573ff97f21937d9a5e04a96
# Parent  3d462365c04a91449ccf3dde6e2695ef9d6268a1

(svn r16825) -Codechange: unify dirtying when updating the viewport signs.

diff --git a/src/signs_cmd.cpp b/src/signs_cmd.cpp
--- a/src/signs_cmd.cpp
+++ b/src/signs_cmd.cpp
@@ -47,7 +47,6 @@ CommandCost CmdPlaceSign(TileIndex tile,
 			si->name = strdup(text);
 		}
 		si->UpdateVirtCoord();
-		si->sign.MarkDirty();
 		InvalidateWindowData(WC_SIGN_LIST, 0, 0);
 		_new_sign_id = si->index;
 	}
@@ -80,10 +79,7 @@ CommandCost CmdRenameSign(TileIndex tile
 			si->name = strdup(text);
 			si->owner = _current_company;
 
-			/* Update; mark sign dirty twice, because it can either become longer, or shorter */
-			si->sign.MarkDirty();
 			si->UpdateVirtCoord();
-			si->sign.MarkDirty();
 			InvalidateWindowData(WC_SIGN_LIST, 0, 1);
 		}
 	} else { // Delete sign
diff --git a/src/station_cmd.cpp b/src/station_cmd.cpp
--- a/src/station_cmd.cpp
+++ b/src/station_cmd.cpp
@@ -391,21 +391,6 @@ void UpdateAllStationVirtCoords()
 	}
 }
 
-/**
- * Update the station virt coords while making the modified parts dirty.
- *
- * This function updates the virt coords and mark the modified parts as dirty
- *
- * @param st The station to update the virt coords
- * @ingroup dirty
- */
-static void UpdateStationVirtCoordDirty(Station *st)
-{
-	st->sign.MarkDirty();
-	st->UpdateVirtCoord();
-	st->sign.MarkDirty();
-}
-
 /** Get a mask of the cargo types that the station accepts.
  * @param st Station to query
  * @return the expected mask
@@ -598,7 +583,7 @@ static void UpdateStationSignCoord(Stati
 
 	/* clamp sign coord to be inside the station rect */
 	st->xy = TileXY(ClampU(TileX(st->xy), r->left, r->right), ClampU(TileY(st->xy), r->top, r->bottom));
-	UpdateStationVirtCoordDirty(st);
+	st->UpdateVirtCoord();
 }
 
 /** This is called right after a station was deleted.
@@ -1043,7 +1028,7 @@ CommandCost CmdBuildRailroadStation(Tile
 		}
 
 		st->MarkTilesDirty(false);
-		UpdateStationVirtCoordDirty(st);
+		st->UpdateVirtCoord();
 		UpdateStationAcceptance(st, false);
 		st->RecomputeIndustriesNear();
 		InvalidateWindowData(WC_SELECT_STATION, 0, 0);
@@ -1218,7 +1203,7 @@ CommandCost CmdRemoveFromRailroadStation
 		if (st->train_tile == INVALID_TILE) {
 			st->facilities &= ~FACIL_TRAIN;
 			InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_TRAINS);
-			UpdateStationVirtCoordDirty(st);
+			st->UpdateVirtCoord();
 			DeleteStationIfEmpty(st);
 		}
 
@@ -1302,7 +1287,7 @@ static CommandCost RemoveRailroadStation
 		st->cached_anim_triggers = 0;
 
 		InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_TRAINS);
-		UpdateStationVirtCoordDirty(st);
+		st->UpdateVirtCoord();
 		st->RecomputeIndustriesNear();
 		DeleteStationIfEmpty(st);
 	}
@@ -1468,7 +1453,7 @@ CommandCost CmdBuildRoadStop(TileIndex t
 			MakeRoadStop(tile, st->owner, st->index, rs_type, rts, (DiagDirection)p1);
 		}
 
-		UpdateStationVirtCoordDirty(st);
+		st->UpdateVirtCoord();
 		UpdateStationAcceptance(st, false);
 		st->RecomputeIndustriesNear();
 		InvalidateWindowData(WC_SELECT_STATION, 0, 0);
@@ -1553,7 +1538,7 @@ static CommandCost RemoveRoadStop(TileIn
 		DoClearSquare(tile);
 		st->rect.AfterRemoveTile(st, tile);
 
-		UpdateStationVirtCoordDirty(st);
+		st->UpdateVirtCoord();
 		st->RecomputeIndustriesNear();
 		DeleteStationIfEmpty(st);
 	}
@@ -1837,7 +1822,7 @@ CommandCost CmdBuildAirport(TileIndex ti
 			} END_TILE_LOOP(tile_cur, w, h, tile)
 		}
 
-		UpdateStationVirtCoordDirty(st);
+		st->UpdateVirtCoord();
 		UpdateStationAcceptance(st, false);
 		st->RecomputeIndustriesNear();
 		InvalidateWindowData(WC_SELECT_STATION, 0, 0);
@@ -1913,7 +1898,7 @@ static CommandCost RemoveAirport(TileInd
 			InvalidateWindow(WC_TOWN_VIEW, st->town->index);
 		}
 
-		UpdateStationVirtCoordDirty(st);
+		st->UpdateVirtCoord();
 		st->RecomputeIndustriesNear();
 		DeleteStationIfEmpty(st);
 	}
@@ -1957,7 +1942,7 @@ CommandCost CmdBuildBuoy(TileIndex tile,
 
 		MakeBuoy(tile, st->index, GetWaterClass(tile));
 
-		UpdateStationVirtCoordDirty(st);
+		st->UpdateVirtCoord();
 		UpdateStationAcceptance(st, false);
 		st->RecomputeIndustriesNear();
 		InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
@@ -2021,7 +2006,7 @@ static CommandCost RemoveBuoy(TileIndex 
 		MakeWaterKeepingClass(tile, GetTileOwner(tile));
 		MarkTileDirtyByTile(tile);
 
-		UpdateStationVirtCoordDirty(st);
+		st->UpdateVirtCoord();
 		st->RecomputeIndustriesNear();
 		DeleteStationIfEmpty(st);
 	}
@@ -2136,7 +2121,7 @@ CommandCost CmdBuildDock(TileIndex tile,
 
 		MakeDock(tile, st->owner, st->index, direction, wc);
 
-		UpdateStationVirtCoordDirty(st);
+		st->UpdateVirtCoord();
 		UpdateStationAcceptance(st, false);
 		st->RecomputeIndustriesNear();
 		InvalidateWindowData(WC_SELECT_STATION, 0, 0);
@@ -2177,7 +2162,7 @@ static CommandCost RemoveDock(TileIndex 
 		st->facilities &= ~FACIL_DOCK;
 
 		InvalidateWindowWidget(WC_STATION_VIEW, st->index, SVW_SHIPS);
-		UpdateStationVirtCoordDirty(st);
+		st->UpdateVirtCoord();
 		st->RecomputeIndustriesNear();
 		DeleteStationIfEmpty(st);
 	}
@@ -2850,7 +2835,6 @@ CommandCost CmdRenameStation(TileIndex t
 
 		st->UpdateVirtCoord();
 		InvalidateWindowData(WC_STATION_LIST, st->owner, 1);
-		MarkWholeScreenDirty();
 	}
 
 	return CommandCost();
@@ -3008,7 +2992,7 @@ void BuildOilRig(TileIndex tile)
 		st->goods[j].last_age = 255;
 	}
 
-	UpdateStationVirtCoordDirty(st);
+	st->UpdateVirtCoord();
 	UpdateStationAcceptance(st, false);
 	st->RecomputeIndustriesNear();
 }
@@ -3027,7 +3011,7 @@ void DeleteOilRig(TileIndex tile)
 
 	st->rect.AfterRemoveTile(st, tile);
 
-	UpdateStationVirtCoordDirty(st);
+	st->UpdateVirtCoord();
 	st->RecomputeIndustriesNear();
 	if (st->facilities == 0) delete st;
 }
diff --git a/src/town_cmd.cpp b/src/town_cmd.cpp
--- a/src/town_cmd.cpp
+++ b/src/town_cmd.cpp
@@ -327,13 +327,11 @@ static bool IsCloseToTown(TileIndex tile
  */
 void Town::UpdateVirtCoord()
 {
-	this->sign.MarkDirty();
 	Point pt = RemapCoords2(TileX(this->xy) * TILE_SIZE, TileY(this->xy) * TILE_SIZE);
 	SetDParam(0, this->index);
 	SetDParam(1, this->population);
 	this->sign.UpdatePosition(pt.x, pt.y - 24,
 		_settings_client.gui.population_in_label ? STR_TOWN_LABEL_POP : STR_TOWN_LABEL);
-	this->sign.MarkDirty();
 }
 
 /** Update the virtual coords needed to draw the town sign for all towns. */
@@ -2289,7 +2287,6 @@ CommandCost CmdRenameTown(TileIndex tile
 		InvalidateWindowData(WC_TOWN_DIRECTORY, 0, 1);
 		UpdateAllStationVirtCoords();
 		UpdateAllWaypointVirtCoords();
-		MarkWholeScreenDirty();
 	}
 	return CommandCost();
 }
diff --git a/src/viewport.cpp b/src/viewport.cpp
--- a/src/viewport.cpp
+++ b/src/viewport.cpp
@@ -1287,6 +1287,8 @@ static void ViewportAddWaypoints(DrawPix
  */
 void ViewportSign::UpdatePosition(int center, int top, StringID str)
 {
+	if (this->width_normal != 0) this->MarkDirty();
+
 	this->top = top;
 
 	char buffer[DRAW_STRING_BUFFER];
@@ -1299,6 +1301,8 @@ void ViewportSign::UpdatePosition(int ce
 	_cur_fontsize = FS_SMALL;
 	this->width_small = GetStringBoundingBox(buffer).width + 3;
 	_cur_fontsize = FS_NORMAL;
+
+	this->MarkDirty();
 }
 
 /**
diff --git a/src/waypoint_cmd.cpp b/src/waypoint_cmd.cpp
--- a/src/waypoint_cmd.cpp
+++ b/src/waypoint_cmd.cpp
@@ -180,7 +180,6 @@ CommandCost CmdBuildTrainWaypoint(TileIn
 				}
 			}
 
-			wp->sign.MarkDirty();
 			wp->xy = tile;
 			InvalidateWindowData(WC_WAYPOINT_VIEW, wp->index);
 		}
@@ -212,7 +211,6 @@ CommandCost CmdBuildTrainWaypoint(TileIn
 		if (wp->town_index == INVALID_TOWN) MakeDefaultWaypointName(wp);
 
 		wp->UpdateVirtCoord();
-		wp->sign.MarkDirty();
 		YapfNotifyTrackLayoutChange(tile, AxisToTrack(axis));
 	}
 
@@ -320,7 +318,6 @@ CommandCost CmdRenameWaypoint(TileIndex 
 		}
 
 		wp->UpdateVirtCoord();
-		MarkWholeScreenDirty();
 	}
 	return CommandCost();
 }