cpp/openttd-patchpack/source Changeset - r12452:737113301015

Changeset - r12452:737113301015

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rubidium - 15 years ago 2009-07-21 11:11:05
rubidium@openttd.org

(svn r16896) -Codechange: make station spec allocation and station animation functions work for both stations and waypoints

6 files changed with 125 insertions and 53 deletions:

src/newgrf_station.cpp

src/newgrf_station.h

src/station_base.h

src/station_cmd.cpp

src/waypoint.cpp

src/waypoint.h

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src/newgrf_station.cpp

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@@ @@ -31,6 +31,48 @@ enum { @@
 	MAX_SPECLIST = 255,
 };
 enum TriggerArea {
 	TA_TILE,
 	TA_PLATFORM,
 	TA_WHOLE,
 };
 struct ETileArea : TileArea {
 	ETileArea(const BaseStation *st, TileIndex tile, TriggerArea ta)
+	{
 		switch (ta) {
 			default: NOT_REACHED();
 			case TA_TILE:
 				this->tile = tile;
 				this->w    = 1;
 				this->h    = 1;
 				break;
 			case TA_PLATFORM: {
 				TileIndex start, end;
 				Axis axis = GetRailStationAxis(tile);
 				TileIndexDiff delta = TileOffsByDiagDir(AxisToDiagDir(axis));
 				for (end = tile; IsRailwayStationTile(end + delta) && IsCompatibleTrainStationTile(tile, end + delta); end += delta) { /* Nothing */ }
 				for (start = tile; IsRailwayStationTile(start - delta) && IsCompatibleTrainStationTile(tile, start - delta); start -= delta) { /* Nothing */ }
 				this->tile = start;
 				this->w = TileX(end) - TileX(start) + 1;
 				this->h = TileY(end) - TileY(start) + 1;
 				break;
+			}
 			case TA_WHOLE:
 				st->GetTileArea(this, Station::IsExpected(st) ? STATION_RAIL : STATION_WAYPOINT);
 				this->w++;
 				this->h++;
 				break;
+		}
+	}
 };
 /**
  * Reset station classes to their default state.
  * This includes initialising the Default and Waypoint classes with an empty
@@ @@ -734,7 +776,7 @@ uint16 GetStationCallback(CallbackID cal @@
  * @param exec Whether to actually allocate the spec.
  * @return Index within the Station's spec list, or -1 if the allocation failed.
  */
-int AllocateSpecToStation(const StationSpec *statspec, Station *st, bool exec)
+int AllocateSpecToStation(const StationSpec *statspec, BaseStation *st, bool exec)
+{
 	uint i;
@@ @@ -784,17 +826,22 @@ int AllocateSpecToStation(const StationS @@
  * @param specindex Index of the custom station within the Station's spec list.
  * @return Indicates whether the StationSpec was deallocated.
  */
-void DeallocateSpecFromStation(Station *st, byte specindex)
+void DeallocateSpecFromStation(BaseStation *st, byte specindex)
+{
 	/* specindex of 0 (default) is never freeable */
 	if (specindex == 0) return;
 	ETileArea area = ETileArea(st, INVALID_TILE, TA_WHOLE);
 	/* Check all tiles over the station to check if the specindex is still in use */
 	BEGIN_TILE_LOOP(tile, st->trainst_w, st->trainst_h, st->train_tile) {
 		if (IsRailwayStationTile(tile) && GetStationIndex(tile) == st->index && GetCustomStationSpecIndex(tile) == specindex) {
 	for (uint y = 0; y < area.h; y++) {
 		for (uint x = 0; x < area.w; x++) {
 			if (st->TileBelongsToRailStation(area.tile) && GetCustomStationSpecIndex(area.tile) == specindex) {
 			return;
+		}
 	} END_TILE_LOOP(tile, st->trainst_w, st->trainst_h, st->train_tile)
 			area.tile += TileDiffXY(1, 0);
+		}
 		area.tile += TileDiffXY(-area.w, 1);
+	}
 	/* This specindex is no longer in use, so deallocate it */
 	st->speclist[specindex].spec     = NULL;
@@ @@ -1020,51 +1067,6 @@ static void ChangeStationAnimationFrame( @@
 	if (GB(callback, 8, 7) != 0) PlayTileSound(ss->grffile, GB(callback, 8, 7), tile);
+}
 enum TriggerArea {
 	TA_TILE,
 	TA_PLATFORM,
 	TA_WHOLE,
 };
 struct TileArea {
 	TileIndex tile;
 	uint8 w;
 	uint8 h;
 	TileArea(const Station *st, TileIndex tile, TriggerArea ta)
+	{
 		switch (ta) {
 			default: NOT_REACHED();
 			case TA_TILE:
 				this->tile = tile;
 				this->w    = 1;
 				this->h    = 1;
 				break;
 			case TA_PLATFORM: {
 				TileIndex start, end;
 				Axis axis = GetRailStationAxis(tile);
 				TileIndexDiff delta = TileOffsByDiagDir(AxisToDiagDir(axis));
 				for (end = tile; IsRailwayStationTile(end + delta) && IsCompatibleTrainStationTile(tile, end + delta); end += delta) { /* Nothing */ }
 				for (start = tile; IsRailwayStationTile(start - delta) && IsCompatibleTrainStationTile(tile, start - delta); start -= delta) { /* Nothing */ }
 				this->tile = start;
 				this->w = TileX(end) - TileX(start) + 1;
 				this->h = TileY(end) - TileY(start) + 1;
 				break;
+			}
 			case TA_WHOLE:
 				this->tile = st->train_tile;
 				this->w    = st->trainst_w + 1;
 				this->h    = st->trainst_h + 1;
 				break;
+		}
+	}
 };
 void StationAnimationTrigger(const BaseStation *st, TileIndex tile, StatAnimTrigger trigger, CargoID cargo_type)
+{
 	/* List of coverage areas for each animation trigger */
@@ @@ -1080,8 +1082,9 @@ void StationAnimationTrigger(const BaseS @@
 	if (!HasBit(st->cached_anim_triggers, trigger)) return;
 	uint16 random_bits = Random();
-	TileArea area = TileArea(Station::From(st), tile, tas[trigger]);
+	ETileArea area = ETileArea(st, tile, tas[trigger]);
 	/* Check all tiles over the station to check if the specindex is still in use */
 	for (uint y = 0; y < area.h; y++) {
 		for (uint x = 0; x < area.w; x++) {
 			if (st->TileBelongsToRailStation(area.tile)) {

src/newgrf_station.h

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@@ @@ -136,10 +136,10 @@ SpriteID GetCustomStationGroundRelocatio @@
 uint16 GetStationCallback(CallbackID callback, uint32 param1, uint32 param2, const StationSpec *statspec, const BaseStation *st, TileIndex tile);
 /* Allocate a StationSpec to a Station. This is called once per build operation. */
-int AllocateSpecToStation(const StationSpec *statspec, Station *st, bool exec);
+int AllocateSpecToStation(const StationSpec *statspec, BaseStation *st, bool exec);
 /* Deallocate a StationSpec from a Station. Called when removing a single station tile. */
-void DeallocateSpecFromStation(Station *st, byte specindex);
+void DeallocateSpecFromStation(BaseStation *st, byte specindex);
 /* Draw representation of a station tile for GUI purposes. */
 bool DrawStationTile(int x, int y, RailType railtype, Axis axis, StationClassID sclass, uint station);

src/station_base.h

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@@ @@ -77,6 +77,13 @@ struct StationRect : public Rect { @@
 	StationRect& operator = (Rect src);
 };
 /** Represents the covered area */
 struct TileArea {
 	TileIndex tile; ///< The base tile of the area
 	uint8 w;        ///< The width of the area
 	uint8 h;        ///< The height of the area
 };
 /** Base class for all station-ish types */
 struct BaseStation {
 	TileIndex xy;                   ///< Base tile of the station
@@ @@ -126,6 +133,13 @@ struct BaseStation { @@
 	virtual void UpdateVirtCoord() = 0;
 	/**
 	 * Get the tile area for a given station type.
 	 * @param ta tile area to fill.
 	 * @param type the type of the area
 	 */
 	virtual void GetTileArea(TileArea *ta, StationType type) const = 0;
 	/**
 	 * Get the base station belonging to a specific tile.
 	 * @param tile The tile to get the base station from.
 	 * @return the station associated with that tile.
@@ @@ -258,6 +272,8 @@ public: @@
 	/* virtual */ uint32 GetNewGRFVariable(const ResolverObject *object, byte variable, byte parameter, bool *available) const;
 	/* virtual */ void GetTileArea(TileArea *ta, StationType type) const;
 	/**
 	 * Determines whether a station is a buoy only.
 	 * @todo Ditch this encoding of buoys

src/station_cmd.cpp

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@@ @@ -368,6 +368,42 @@ static Station *GetClosestDeletedStation @@
 	return best_station;
+}
 void Station::GetTileArea(TileArea *ta, StationType type) const
+{
 	switch (type) {
 		case STATION_RAIL:
 			ta->tile = this->train_tile;
 			ta->w    = this->trainst_w;
 			ta->h    = this->trainst_h;
 			return;
 		case STATION_AIRPORT:
 			ta->tile = this->airport_tile;
 			ta->w    = this->Airport()->size_x;
 			ta->h    = this->Airport()->size_y;
 		case STATION_TRUCK:
 			ta->tile = this->truck_stops != NULL ? this->truck_stops->xy : INVALID_TILE;
 			break;
 		case STATION_BUS:
 			ta->tile = this->bus_stops != NULL ? this->bus_stops->xy : INVALID_TILE;
 			break;
 		case STATION_DOCK:
 		case STATION_OILRIG:
 		case STATION_BUOY:
 			ta->tile = this->dock_tile;
 			break;
 		default: NOT_REACHED();
+	}
 	ta->w = 1;
 	ta->h = 1;
+}
 /**
  * Update the virtual coords needed to draw the station sign.
  */

src/waypoint.cpp

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@@ @@ -44,6 +44,21 @@ void DrawWaypointSprite(int x, int y, in @@
+	}
+}
 void Waypoint::GetTileArea(TileArea *ta, StationType type) const
+{
 	switch (type) {
 		case STATION_BUOY:
 		case STATION_WAYPOINT:
 			break;
 		default: NOT_REACHED();
+	}
 	ta->tile = this->xy;
 	ta->w    = 1;
 	ta->h    = 1;
+}
 Waypoint::~Waypoint()
+{
 	if (CleaningPool()) return;

src/waypoint.h

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@@ @@ -32,6 +32,8 @@ struct Waypoint : WaypointPool::PoolItem @@
 	/* virtual */ uint32 GetNewGRFVariable(const struct ResolverObject *object, byte variable, byte parameter, bool *available) const;
 	/* virtual */ void GetTileArea(TileArea *ta, StationType type) const;
 	void AssignStationSpec(uint index);
 	/**

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