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changeset 18244:8f6022f41538 draft

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(svn r23080) -Feature: [NewGRF] Use variable 10 to enable vehicle GRFs to draw different sprites on the map and in various GUIs.
author frosch <frosch@openttd.org>
date Tue, 01 Nov 2011 16:51:47 +0000
parents 0f4af8be53f9
children 5ae9a9954ec1
files src/aircraft.h src/aircraft_cmd.cpp src/aircraft_gui.cpp src/build_vehicle_gui.cpp src/depot_gui.cpp src/engine_gui.cpp src/engine_gui.h src/group_gui.cpp src/newgrf_engine.cpp src/newgrf_engine.h src/news_gui.cpp src/roadveh.h src/roadveh_cmd.cpp src/roadveh_gui.cpp src/saveload/vehicle_sl.cpp src/ship.h src/ship_cmd.cpp src/ship_gui.cpp src/train.h src/train_cmd.cpp src/train_gui.cpp src/vehicle_base.h src/vehicle_gui.cpp src/vehicle_gui.h src/vehicle_type.h
diffstat 25 files changed, 124 insertions(+), 111 deletions(-) [+]
line wrap: on
line diff
--- a/src/aircraft.h
+++ b/src/aircraft.h
@@ -27,7 +27,7 @@
 
 
 void HandleAircraftEnterHangar(Aircraft *v);
-void GetAircraftSpriteSize(EngineID engine, uint &width, uint &height);
+void GetAircraftSpriteSize(EngineID engine, uint &width, uint &height, EngineImageType image_type);
 void UpdateAirplanesOnNewStation(const Station *st);
 void UpdateAircraftCache(Aircraft *v);
 
@@ -58,7 +58,7 @@
 	void UpdateDeltaXY(Direction direction);
 	ExpensesType GetExpenseType(bool income) const { return income ? EXPENSES_AIRCRAFT_INC : EXPENSES_AIRCRAFT_RUN; }
 	bool IsPrimaryVehicle() const                  { return this->IsNormalAircraft(); }
-	SpriteID GetImage(Direction direction) const;
+	SpriteID GetImage(Direction direction, EngineImageType image_type) const;
 	int GetDisplaySpeed() const    { return this->cur_speed; }
 	int GetDisplayMaxSpeed() const { return this->vcache.cached_max_speed; }
 	int GetSpeedOldUnits() const   { return this->vcache.cached_max_speed * 10 / 128; }
@@ -90,7 +90,7 @@
  */
 #define FOR_ALL_AIRCRAFT(var) FOR_ALL_VEHICLES_OF_TYPE(Aircraft, var)
 
-SpriteID GetRotorImage(const Aircraft *v);
+SpriteID GetRotorImage(const Aircraft *v, EngineImageType image_type);
 
 Station *GetTargetAirportIfValid(const Aircraft *v);
 
--- a/src/aircraft_cmd.cpp
+++ b/src/aircraft_cmd.cpp
@@ -143,12 +143,12 @@
 	return index;
 }
 
-SpriteID Aircraft::GetImage(Direction direction) const
+SpriteID Aircraft::GetImage(Direction direction, EngineImageType image_type) const
 {
 	uint8 spritenum = this->spritenum;
 
 	if (is_custom_sprite(spritenum)) {
-		SpriteID sprite = GetCustomVehicleSprite(this, direction);
+		SpriteID sprite = GetCustomVehicleSprite(this, direction, image_type);
 		if (sprite != 0) return sprite;
 
 		spritenum = this->GetEngine()->original_image_index;
@@ -157,13 +157,13 @@
 	return direction + _aircraft_sprite[spritenum];
 }
 
-SpriteID GetRotorImage(const Aircraft *v)
+SpriteID GetRotorImage(const Aircraft *v, EngineImageType image_type)
 {
 	assert(v->subtype == AIR_HELICOPTER);
 
 	const Aircraft *w = v->Next()->Next();
 	if (is_custom_sprite(v->spritenum)) {
-		SpriteID sprite = GetCustomRotorSprite(v, false);
+		SpriteID sprite = GetCustomRotorSprite(v, false, image_type);
 		if (sprite != 0) return sprite;
 	}
 
@@ -171,13 +171,13 @@
 	return SPR_ROTOR_STOPPED + w->state;
 }
 
-static SpriteID GetAircraftIcon(EngineID engine)
+static SpriteID GetAircraftIcon(EngineID engine, EngineImageType image_type)
 {
 	const Engine *e = Engine::Get(engine);
 	uint8 spritenum = e->u.air.image_index;
 
 	if (is_custom_sprite(spritenum)) {
-		SpriteID sprite = GetCustomVehicleIcon(engine, DIR_W);
+		SpriteID sprite = GetCustomVehicleIcon(engine, DIR_W, image_type);
 		if (sprite != 0) return sprite;
 
 		spritenum = e->original_image_index;
@@ -186,15 +186,15 @@
 	return DIR_W + _aircraft_sprite[spritenum];
 }
 
-void DrawAircraftEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal)
+void DrawAircraftEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal, EngineImageType image_type)
 {
-	SpriteID sprite = GetAircraftIcon(engine);
+	SpriteID sprite = GetAircraftIcon(engine, image_type);
 	const Sprite *real_sprite = GetSprite(sprite, ST_NORMAL);
 	preferred_x = Clamp(preferred_x, left - real_sprite->x_offs, right - real_sprite->width - real_sprite->x_offs);
 	DrawSprite(sprite, pal, preferred_x, y);
 
 	if (!(AircraftVehInfo(engine)->subtype & AIR_CTOL)) {
-		SpriteID rotor_sprite = GetCustomRotorIcon(engine);
+		SpriteID rotor_sprite = GetCustomRotorIcon(engine, image_type);
 		if (rotor_sprite == 0) rotor_sprite = SPR_ROTOR_STOPPED;
 		DrawSprite(rotor_sprite, PAL_NONE, preferred_x, y - 5);
 	}
@@ -206,9 +206,9 @@
  * @param width The width of the sprite
  * @param height The height of the sprite
  */
-void GetAircraftSpriteSize(EngineID engine, uint &width, uint &height)
+void GetAircraftSpriteSize(EngineID engine, uint &width, uint &height, EngineImageType image_type)
 {
-	const Sprite *spr = GetSprite(GetAircraftIcon(engine), ST_NORMAL);
+	const Sprite *spr = GetSprite(GetAircraftIcon(engine, image_type), ST_NORMAL);
 
 	width  = spr->width;
 	height = spr->height;
@@ -449,13 +449,13 @@
 	SpriteID img;
 	if (spd == 0) {
 		u->state = HRS_ROTOR_STOPPED;
-		img = GetRotorImage(v);
+		img = GetRotorImage(v, EIT_ON_MAP);
 		if (u->cur_image == img) return;
 	} else if (tick >= spd) {
 		u->tick_counter = 0;
 		u->state++;
 		if (u->state > HRS_ROTOR_MOVING_3) u->state = HRS_ROTOR_MOVING_1;
-		img = GetRotorImage(v);
+		img = GetRotorImage(v, EIT_ON_MAP);
 	} else {
 		return;
 	}
@@ -479,7 +479,7 @@
 	v->z_pos = z;
 
 	v->UpdateViewport(true, false);
-	if (v->subtype == AIR_HELICOPTER) v->Next()->Next()->cur_image = GetRotorImage(v);
+	if (v->subtype == AIR_HELICOPTER) v->Next()->Next()->cur_image = GetRotorImage(v, EIT_ON_MAP);
 
 	Aircraft *u = v->Next();
 
@@ -1116,7 +1116,7 @@
 void Aircraft::MarkDirty()
 {
 	this->UpdateViewport(false, false);
-	if (this->subtype == AIR_HELICOPTER) this->Next()->Next()->cur_image = GetRotorImage(this);
+	if (this->subtype == AIR_HELICOPTER) this->Next()->Next()->cur_image = GetRotorImage(this, EIT_ON_MAP);
 }
 
 
--- a/src/aircraft_gui.cpp
+++ b/src/aircraft_gui.cpp
@@ -76,11 +76,11 @@
  * @param y         Vertical position to draw at
  * @param selection Selected vehicle to draw a frame around
  */
-void DrawAircraftImage(const Vehicle *v, int left, int right, int y, VehicleID selection)
+void DrawAircraftImage(const Vehicle *v, int left, int right, int y, VehicleID selection, EngineImageType image_type)
 {
 	bool rtl = _current_text_dir == TD_RTL;
 
-	SpriteID sprite = v->GetImage(rtl ? DIR_E : DIR_W);
+	SpriteID sprite = v->GetImage(rtl ? DIR_E : DIR_W, image_type);
 	const Sprite *real_sprite = GetSprite(sprite, ST_NORMAL);
 
 	int x = rtl ? right - real_sprite->width - real_sprite->x_offs : left - real_sprite->x_offs;
@@ -90,7 +90,7 @@
 	DrawSprite(sprite, pal, x, y + 10);
 	if (helicopter) {
 		const Aircraft *a = Aircraft::From(v);
-		SpriteID rotor_sprite = GetCustomRotorSprite(a, true);
+		SpriteID rotor_sprite = GetCustomRotorSprite(a, true, image_type);
 		if (rotor_sprite == 0) rotor_sprite = SPR_ROTOR_STOPPED;
 		DrawSprite(rotor_sprite, PAL_NONE, x, y + 5);
 	}
--- a/src/build_vehicle_gui.cpp
+++ b/src/build_vehicle_gui.cpp
@@ -878,7 +878,7 @@
 
 		SetDParam(0, engine);
 		DrawString(text_left, text_right, y + normal_text_y_offset, STR_ENGINE_NAME, engine == selected_id ? TC_WHITE : TC_BLACK);
-		DrawVehicleEngine(l, r, sprite_x, y + sprite_y_offset, engine, (show_count && num_engines == 0) ? PALETTE_CRASH : GetEnginePalette(engine, _local_company));
+		DrawVehicleEngine(l, r, sprite_x, y + sprite_y_offset, engine, (show_count && num_engines == 0) ? PALETTE_CRASH : GetEnginePalette(engine, _local_company), EIT_PURCHASE);
 		if (show_count) {
 			SetDParam(0, num_engines);
 			DrawString(text_left, text_right, y + small_text_y_offset, STR_TINY_BLACK_COMA, TC_FROMSTRING, SA_RIGHT);
--- a/src/depot_gui.cpp
+++ b/src/depot_gui.cpp
@@ -180,8 +180,8 @@
 
 		switch (type) {
 			default: NOT_REACHED();
-			case VEH_SHIP:     GetShipSpriteSize(    eid, x, y); break;
-			case VEH_AIRCRAFT: GetAircraftSpriteSize(eid, x, y); break;
+			case VEH_SHIP:     GetShipSpriteSize(    eid, x, y, EIT_IN_DEPOT); break;
+			case VEH_AIRCRAFT: GetAircraftSpriteSize(eid, x, y, EIT_IN_DEPOT); break;
 		}
 		if (x > max_width)  max_width  = x;
 		if (y > max_height) max_height = y;
@@ -283,7 +283,7 @@
 
 				uint x_space = free_wagon ? TRAININFO_DEFAULT_VEHICLE_WIDTH : 0;
 				DrawTrainImage(u, image_left + (rtl ? 0 : x_space), image_right - (rtl ? x_space : 0), sprite_y - 1,
-						this->sel, free_wagon ? 0 : this->hscroll->GetPosition(), this->vehicle_over);
+						this->sel, EIT_IN_DEPOT, free_wagon ? 0 : this->hscroll->GetPosition(), this->vehicle_over);
 
 				/* Length of consist in tiles with 1 fractional digit (rounded up) */
 				SetDParam(0, CeilDiv(u->gcache.cached_total_length * 10, TILE_SIZE));
@@ -292,13 +292,13 @@
 				break;
 			}
 
-			case VEH_ROAD:     DrawRoadVehImage( v, image_left, image_right, sprite_y, this->sel); break;
-			case VEH_SHIP:     DrawShipImage(    v, image_left, image_right, sprite_y, this->sel); break;
+			case VEH_ROAD:     DrawRoadVehImage( v, image_left, image_right, sprite_y, this->sel, EIT_IN_DEPOT); break;
+			case VEH_SHIP:     DrawShipImage(    v, image_left, image_right, sprite_y, this->sel, EIT_IN_DEPOT); break;
 			case VEH_AIRCRAFT: {
-				const Sprite *spr = GetSprite(v->GetImage(DIR_W), ST_NORMAL);
+				const Sprite *spr = GetSprite(v->GetImage(DIR_W, EIT_IN_DEPOT), ST_NORMAL);
 				DrawAircraftImage(v, image_left, image_right,
 									y + max(spr->height + spr->y_offs - 14, 0), // tall sprites needs an y offset
-									this->sel);
+									this->sel, EIT_IN_DEPOT);
 				break;
 			}
 			default: NOT_REACHED();
@@ -501,7 +501,7 @@
 					this->sel = INVALID_VEHICLE;
 					TrainDepotMoveVehicle(v, sel, gdvp.head);
 				} else if (v != NULL) {
-					int image = v->GetImage(_current_text_dir == TD_RTL ? DIR_E : DIR_W);
+					int image = v->GetImage(_current_text_dir == TD_RTL ? DIR_E : DIR_W, EIT_IN_DEPOT);
 					SetObjectToPlaceWnd(image, GetVehiclePalette(v), HT_DRAG, this);
 
 					this->sel = v->index;
--- a/src/engine_gui.cpp
+++ b/src/engine_gui.cpp
@@ -96,7 +96,7 @@
 		DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_ENGINE_NAME, TC_BLACK, SA_HOR_CENTER);
 		y += FONT_HEIGHT_NORMAL;
 
-		DrawVehicleEngine(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, this->width >> 1, y + VEHICLE_SPACE / 2, engine, GetEnginePalette(engine, _local_company));
+		DrawVehicleEngine(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, this->width >> 1, y + VEHICLE_SPACE / 2, engine, GetEnginePalette(engine, _local_company), EIT_PREVIEW);
 
 		y += VEHICLE_SPACE;
 		DrawStringMultiLine(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, r.bottom, GetEngineInfoString(engine), TC_FROMSTRING, SA_CENTER);
@@ -268,25 +268,25 @@
  * @param engine Engine to draw.
  * @param pal    Palette to use for drawing.
  */
-void DrawVehicleEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal)
+void DrawVehicleEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal, EngineImageType image_type)
 {
 	const Engine *e = Engine::Get(engine);
 
 	switch (e->type) {
 		case VEH_TRAIN:
-			DrawTrainEngine(left, right, preferred_x, y, engine, pal);
+			DrawTrainEngine(left, right, preferred_x, y, engine, pal, image_type);
 			break;
 
 		case VEH_ROAD:
-			DrawRoadVehEngine(left, right, preferred_x, y, engine, pal);
+			DrawRoadVehEngine(left, right, preferred_x, y, engine, pal, image_type);
 			break;
 
 		case VEH_SHIP:
-			DrawShipEngine(left, right, preferred_x, y, engine, pal);
+			DrawShipEngine(left, right, preferred_x, y, engine, pal, image_type);
 			break;
 
 		case VEH_AIRCRAFT:
-			DrawAircraftEngine(left, right, preferred_x, y, engine, pal);
+			DrawAircraftEngine(left, right, preferred_x, y, engine, pal, image_type);
 			break;
 
 		default: NOT_REACHED();
--- a/src/engine_gui.h
+++ b/src/engine_gui.h
@@ -25,10 +25,10 @@
 StringID GetEngineCategoryName(EngineID engine);
 StringID GetEngineInfoString(EngineID engine);
 
-void DrawVehicleEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal);
-void DrawTrainEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal);
-void DrawRoadVehEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal);
-void DrawShipEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal);
-void DrawAircraftEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal);
+void DrawVehicleEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal, EngineImageType image_type);
+void DrawTrainEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal, EngineImageType image_type);
+void DrawRoadVehEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal, EngineImageType image_type);
+void DrawShipEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal, EngineImageType image_type);
+void DrawAircraftEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal, EngineImageType image_type);
 
 #endif /* ENGINE_GUI_H */
--- a/src/group_gui.cpp
+++ b/src/group_gui.cpp
@@ -573,7 +573,7 @@
 
 				this->vehicle_sel = v->index;
 
-				int image = v->GetImage(_current_text_dir == TD_RTL ? DIR_E : DIR_W);
+				int image = v->GetImage(_current_text_dir == TD_RTL ? DIR_E : DIR_W, EIT_IN_LIST);
 				SetObjectToPlaceWnd(image, GetVehiclePalette(v), HT_DRAG, this);
 				_cursor.vehchain = true;
 
--- a/src/newgrf_engine.cpp
+++ b/src/newgrf_engine.cpp
@@ -964,13 +964,15 @@
 }
 
 
-SpriteID GetCustomEngineSprite(EngineID engine, const Vehicle *v, Direction direction)
+SpriteID GetCustomEngineSprite(EngineID engine, const Vehicle *v, Direction direction, EngineImageType image_type)
 {
 	const SpriteGroup *group;
 	ResolverObject object;
 
 	NewVehicleResolver(&object, engine, v);
 
+	object.callback_param1 = image_type;
+
 	group = SpriteGroup::Resolve(GetVehicleSpriteGroup(engine, v), &object);
 	if (group == NULL || group->GetNumResults() == 0) return 0;
 
@@ -978,7 +980,7 @@
 }
 
 
-SpriteID GetRotorOverrideSprite(EngineID engine, const Aircraft *v, bool info_view)
+SpriteID GetRotorOverrideSprite(EngineID engine, const Aircraft *v, bool info_view, EngineImageType image_type)
 {
 	const Engine *e = Engine::Get(engine);
 
@@ -990,6 +992,7 @@
 
 	NewVehicleResolver(&object, engine, v);
 
+	object.callback_param1 = image_type;
 	object.u.vehicle.info_view = info_view;
 
 	const SpriteGroup *group = GetWagonOverrideSpriteSet(engine, CT_DEFAULT, engine);
--- a/src/newgrf_engine.h
+++ b/src/newgrf_engine.h
@@ -26,10 +26,10 @@
 void SetWagonOverrideSprites(EngineID engine, CargoID cargo, const struct SpriteGroup *group, EngineID *train_id, uint trains);
 const SpriteGroup *GetWagonOverrideSpriteSet(EngineID engine, CargoID cargo, EngineID overriding_engine);
 void SetCustomEngineSprites(EngineID engine, byte cargo, const struct SpriteGroup *group);
-SpriteID GetCustomEngineSprite(EngineID engine, const Vehicle *v, Direction direction);
-SpriteID GetRotorOverrideSprite(EngineID engine, const struct Aircraft *v, bool info_view);
-#define GetCustomRotorSprite(v, i) GetRotorOverrideSprite(v->engine_type, v, i)
-#define GetCustomRotorIcon(et) GetRotorOverrideSprite(et, NULL, true)
+SpriteID GetCustomEngineSprite(EngineID engine, const Vehicle *v, Direction direction, EngineImageType image_type);
+SpriteID GetRotorOverrideSprite(EngineID engine, const struct Aircraft *v, bool info_view, EngineImageType image_type);
+#define GetCustomRotorSprite(v, i, image_type) GetRotorOverrideSprite(v->engine_type, v, i, image_type)
+#define GetCustomRotorIcon(et, image_type) GetRotorOverrideSprite(et, NULL, true, image_type)
 
 /* Forward declaration of GRFFile, to avoid unnecessary inclusion of newgrf.h
  * elsewhere... */
@@ -40,8 +40,8 @@
 uint16 GetVehicleCallback(CallbackID callback, uint32 param1, uint32 param2, EngineID engine, const Vehicle *v);
 uint16 GetVehicleCallbackParent(CallbackID callback, uint32 param1, uint32 param2, EngineID engine, const Vehicle *v, const Vehicle *parent);
 bool UsesWagonOverride(const Vehicle *v);
-#define GetCustomVehicleSprite(v, direction) GetCustomEngineSprite(v->engine_type, v, direction)
-#define GetCustomVehicleIcon(et, direction) GetCustomEngineSprite(et, NULL, direction)
+#define GetCustomVehicleSprite(v, direction, image_type) GetCustomEngineSprite(v->engine_type, v, direction, image_type)
+#define GetCustomVehicleIcon(et, direction, image_type) GetCustomEngineSprite(et, NULL, direction, image_type)
 
 /* Handler to Evaluate callback 36. If the callback fails (i.e. most of the
  * time) orig_value is returned */
--- a/src/news_gui.cpp
+++ b/src/news_gui.cpp
@@ -436,7 +436,7 @@
 			case NTW_VEH_SPR: {
 				assert(this->ni->reftype1 == NR_ENGINE);
 				EngineID engine = this->ni->ref1;
-				DrawVehicleEngine(r.left, r.right, (r.left + r.right) / 2, (r.top + r.bottom) / 2, engine, GetEnginePalette(engine, _local_company));
+				DrawVehicleEngine(r.left, r.right, (r.left + r.right) / 2, (r.top + r.bottom) / 2, engine, GetEnginePalette(engine, _local_company), EIT_PREVIEW);
 				GfxFillRect(r.left, r.top, r.right, r.bottom, PALETTE_NEWSPAPER, FILLRECT_RECOLOUR);
 				break;
 			}
--- a/src/roadveh.h
+++ b/src/roadveh.h
@@ -107,7 +107,7 @@
 	void UpdateDeltaXY(Direction direction);
 	ExpensesType GetExpenseType(bool income) const { return income ? EXPENSES_ROADVEH_INC : EXPENSES_ROADVEH_RUN; }
 	bool IsPrimaryVehicle() const { return this->IsFrontEngine(); }
-	SpriteID GetImage(Direction direction) const;
+	SpriteID GetImage(Direction direction, EngineImageType image_type) const;
 	int GetDisplaySpeed() const { return this->gcache.last_speed / 2; }
 	int GetDisplayMaxSpeed() const { return this->vcache.cached_max_speed / 2; }
 	Money GetRunningCost() const;
--- a/src/roadveh_cmd.cpp
+++ b/src/roadveh_cmd.cpp
@@ -103,13 +103,13 @@
 	return this->gcache.cached_veh_length * reference_width / VEHICLE_LENGTH;
 }
 
-static SpriteID GetRoadVehIcon(EngineID engine)
+static SpriteID GetRoadVehIcon(EngineID engine, EngineImageType image_type)
 {
 	const Engine *e = Engine::Get(engine);
 	uint8 spritenum = e->u.road.image_index;
 
 	if (is_custom_sprite(spritenum)) {
-		SpriteID sprite = GetCustomVehicleIcon(engine, DIR_W);
+		SpriteID sprite = GetCustomVehicleIcon(engine, DIR_W, image_type);
 		if (sprite != 0) return sprite;
 
 		spritenum = e->original_image_index;
@@ -118,13 +118,13 @@
 	return DIR_W + _roadveh_images[spritenum];
 }
 
-SpriteID RoadVehicle::GetImage(Direction direction) const
+SpriteID RoadVehicle::GetImage(Direction direction, EngineImageType image_type) const
 {
 	uint8 spritenum = this->spritenum;
 	SpriteID sprite;
 
 	if (is_custom_sprite(spritenum)) {
-		sprite = GetCustomVehicleSprite(this, (Direction)(direction + 4 * IS_CUSTOM_SECONDHEAD_SPRITE(spritenum)));
+		sprite = GetCustomVehicleSprite(this, (Direction)(direction + 4 * IS_CUSTOM_SECONDHEAD_SPRITE(spritenum)), image_type);
 		if (sprite != 0) return sprite;
 
 		spritenum = this->GetEngine()->original_image_index;
@@ -146,9 +146,9 @@
  * @param engine Engine to draw
  * @param pal Palette to use.
  */
-void DrawRoadVehEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal)
+void DrawRoadVehEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal, EngineImageType image_type)
 {
-	SpriteID sprite = GetRoadVehIcon(engine);
+	SpriteID sprite = GetRoadVehIcon(engine, image_type);
 	const Sprite *real_sprite = GetSprite(sprite, ST_NORMAL);
 	preferred_x = Clamp(preferred_x, left - real_sprite->x_offs, right - real_sprite->width - real_sprite->x_offs);
 	DrawSprite(sprite, pal, preferred_x, y);
--- a/src/roadveh_gui.cpp
+++ b/src/roadveh_gui.cpp
@@ -128,7 +128,7 @@
  * @param selection Selected vehicle to draw a frame around
  * @param skip      Number of pixels to skip at the front (for scrolling)
  */
-void DrawRoadVehImage(const Vehicle *v, int left, int right, int y, VehicleID selection, int skip)
+void DrawRoadVehImage(const Vehicle *v, int left, int right, int y, VehicleID selection, EngineImageType image_type, int skip)
 {
 	bool rtl = _current_text_dir == TD_RTL;
 	Direction dir = rtl ? DIR_E : DIR_W;
@@ -149,7 +149,7 @@
 
 		if (rtl ? px + width > 0 : px - width < max_width) {
 			PaletteID pal = (u->vehstatus & VS_CRASHED) ? PALETTE_CRASH : GetVehiclePalette(u);
-			DrawSprite(u->GetImage(dir), pal, px + (rtl ? -offset.x : offset.x), 6 + offset.y);
+			DrawSprite(u->GetImage(dir, image_type), pal, px + (rtl ? -offset.x : offset.x), 6 + offset.y);
 		}
 
 		px += rtl ? -width : width;
--- a/src/saveload/vehicle_sl.cpp
+++ b/src/saveload/vehicle_sl.cpp
@@ -419,12 +419,12 @@
 
 			case VEH_TRAIN:
 			case VEH_SHIP:
-				v->cur_image = v->GetImage(v->direction);
+				v->cur_image = v->GetImage(v->direction, EIT_ON_MAP);
 				break;
 
 			case VEH_AIRCRAFT:
 				if (Aircraft::From(v)->IsNormalAircraft()) {
-					v->cur_image = v->GetImage(v->direction);
+					v->cur_image = v->GetImage(v->direction, EIT_ON_MAP);
 
 					/* The plane's shadow will have the same image as the plane */
 					Vehicle *shadow = v->Next();
@@ -433,7 +433,7 @@
 					/* In the case of a helicopter we will update the rotor sprites */
 					if (v->subtype == AIR_HELICOPTER) {
 						Vehicle *rotor = shadow->Next();
-						rotor->cur_image = GetRotorImage(Aircraft::From(v));
+						rotor->cur_image = GetRotorImage(Aircraft::From(v), EIT_ON_MAP);
 					}
 
 					UpdateAircraftCache(Aircraft::From(v));
--- a/src/ship.h
+++ b/src/ship.h
@@ -15,7 +15,7 @@
 #include "vehicle_base.h"
 #include "water_map.h"
 
-void GetShipSpriteSize(EngineID engine, uint &width, uint &height);
+void GetShipSpriteSize(EngineID engine, uint &width, uint &height, EngineImageType image_type);
 WaterClass GetEffectiveWaterClass(TileIndex tile);
 
 /**
@@ -34,7 +34,7 @@
 	ExpensesType GetExpenseType(bool income) const { return income ? EXPENSES_SHIP_INC : EXPENSES_SHIP_RUN; }
 	void PlayLeaveStationSound() const;
 	bool IsPrimaryVehicle() const { return true; }
-	SpriteID GetImage(Direction direction) const;
+	SpriteID GetImage(Direction direction, EngineImageType image_type) const;
 	int GetDisplaySpeed() const { return this->cur_speed / 2; }
 	int GetDisplayMaxSpeed() const { return this->vcache.cached_max_speed / 2; }
 	Money GetRunningCost() const;
--- a/src/ship_cmd.cpp
+++ b/src/ship_cmd.cpp
@@ -62,13 +62,13 @@
 	return TrackStatusToTrackBits(GetTileTrackStatus(tile, TRANSPORT_WATER, 0));
 }
 
-static SpriteID GetShipIcon(EngineID engine)
+static SpriteID GetShipIcon(EngineID engine, EngineImageType image_type)
 {
 	const Engine *e = Engine::Get(engine);
 	uint8 spritenum = e->u.ship.image_index;
 
 	if (is_custom_sprite(spritenum)) {
-		SpriteID sprite = GetCustomVehicleIcon(engine, DIR_W);
+		SpriteID sprite = GetCustomVehicleIcon(engine, DIR_W, image_type);
 		if (sprite != 0) return sprite;
 
 		spritenum = e->original_image_index;
@@ -77,9 +77,9 @@
 	return DIR_W + _ship_sprites[spritenum];
 }
 
-void DrawShipEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal)
+void DrawShipEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal, EngineImageType image_type)
 {
-	SpriteID sprite = GetShipIcon(engine);
+	SpriteID sprite = GetShipIcon(engine, image_type);
 	const Sprite *real_sprite = GetSprite(sprite, ST_NORMAL);
 	preferred_x = Clamp(preferred_x, left - real_sprite->x_offs, right - real_sprite->width - real_sprite->x_offs);
 	DrawSprite(sprite, pal, preferred_x, y);
@@ -91,20 +91,20 @@
  * @param width The width of the sprite
  * @param height The height of the sprite
  */
-void GetShipSpriteSize(EngineID engine, uint &width, uint &height)
+void GetShipSpriteSize(EngineID engine, uint &width, uint &height, EngineImageType image_type)
 {
-	const Sprite *spr = GetSprite(GetShipIcon(engine), ST_NORMAL);
+	const Sprite *spr = GetSprite(GetShipIcon(engine, image_type), ST_NORMAL);
 
 	width  = spr->width;
 	height = spr->height;
 }
 
-SpriteID Ship::GetImage(Direction direction) const
+SpriteID Ship::GetImage(Direction direction, EngineImageType image_type) const
 {
 	uint8 spritenum = this->spritenum;
 
 	if (is_custom_sprite(spritenum)) {
-		SpriteID sprite = GetCustomVehicleSprite(this, direction);
+		SpriteID sprite = GetCustomVehicleSprite(this, direction, image_type);
 		if (sprite != 0) return sprite;
 
 		spritenum = this->GetEngine()->original_image_index;
--- a/src/ship_gui.cpp
+++ b/src/ship_gui.cpp
@@ -28,11 +28,11 @@
  * @param y         Vertical position to draw at
  * @param selection Selected vehicle to draw a frame around
  */
-void DrawShipImage(const Vehicle *v, int left, int right, int y, VehicleID selection)
+void DrawShipImage(const Vehicle *v, int left, int right, int y, VehicleID selection, EngineImageType image_type)
 {
 	bool rtl = _current_text_dir == TD_RTL;
 
-	SpriteID sprite = v->GetImage(rtl ? DIR_E : DIR_W);
+	SpriteID sprite = v->GetImage(rtl ? DIR_E : DIR_W, image_type);
 	const Sprite *real_sprite = GetSprite(sprite, ST_NORMAL);
 
 	int x = rtl ? right - real_sprite->width - real_sprite->x_offs : left - real_sprite->x_offs;
--- a/src/train.h
+++ b/src/train.h
@@ -96,7 +96,7 @@
 	ExpensesType GetExpenseType(bool income) const { return income ? EXPENSES_TRAIN_INC : EXPENSES_TRAIN_RUN; }
 	void PlayLeaveStationSound() const;
 	bool IsPrimaryVehicle() const { return this->IsFrontEngine(); }
-	SpriteID GetImage(Direction direction) const;
+	SpriteID GetImage(Direction direction, EngineImageType image_type) const;
 	int GetDisplaySpeed() const { return this->gcache.last_speed; }
 	int GetDisplayMaxSpeed() const { return this->vcache.cached_max_speed; }
 	Money GetRunningCost() const;
--- a/src/train_cmd.cpp
+++ b/src/train_cmd.cpp
@@ -473,7 +473,7 @@
 	return ((direction + _engine_sprite_add[spritenum]) & _engine_sprite_and[spritenum]) + _engine_sprite_base[spritenum];
 }
 
-SpriteID Train::GetImage(Direction direction) const
+SpriteID Train::GetImage(Direction direction, EngineImageType image_type) const
 {
 	uint8 spritenum = this->spritenum;
 	SpriteID sprite;
@@ -481,7 +481,7 @@
 	if (HasBit(this->flags, VRF_REVERSE_DIRECTION)) direction = ReverseDir(direction);
 
 	if (is_custom_sprite(spritenum)) {
-		sprite = GetCustomVehicleSprite(this, (Direction)(direction + 4 * IS_CUSTOM_SECONDHEAD_SPRITE(spritenum)));
+		sprite = GetCustomVehicleSprite(this, (Direction)(direction + 4 * IS_CUSTOM_SECONDHEAD_SPRITE(spritenum)), image_type);
 		if (sprite != 0) return sprite;
 
 		spritenum = this->GetEngine()->original_image_index;
@@ -494,14 +494,14 @@
 	return sprite;
 }
 
-static SpriteID GetRailIcon(EngineID engine, bool rear_head, int &y)
+static SpriteID GetRailIcon(EngineID engine, bool rear_head, int &y, EngineImageType image_type)
 {
 	const Engine *e = Engine::Get(engine);
 	Direction dir = rear_head ? DIR_E : DIR_W;
 	uint8 spritenum = e->u.rail.image_index;
 
 	if (is_custom_sprite(spritenum)) {
-		SpriteID sprite = GetCustomVehicleIcon(engine, dir);
+		SpriteID sprite = GetCustomVehicleIcon(engine, dir, image_type);
 		if (sprite != 0) {
 			if (e->GetGRF() != NULL) {
 				y += e->GetGRF()->traininfo_vehicle_pitch;
@@ -517,14 +517,14 @@
 	return GetDefaultTrainSprite(spritenum, DIR_W);
 }
 
-void DrawTrainEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal)
+void DrawTrainEngine(int left, int right, int preferred_x, int y, EngineID engine, PaletteID pal, EngineImageType image_type)
 {
 	if (RailVehInfo(engine)->railveh_type == RAILVEH_MULTIHEAD) {
 		int yf = y;
 		int yr = y;
 
-		SpriteID spritef = GetRailIcon(engine, false, yf);
-		SpriteID spriter = GetRailIcon(engine, true, yr);
+		SpriteID spritef = GetRailIcon(engine, false, yf, image_type);
+		SpriteID spriter = GetRailIcon(engine, true, yr, image_type);
 		const Sprite *real_spritef = GetSprite(spritef, ST_NORMAL);
 		const Sprite *real_spriter = GetSprite(spriter, ST_NORMAL);
 
@@ -533,7 +533,7 @@
 		DrawSprite(spritef, pal, preferred_x - 14, yf);
 		DrawSprite(spriter, pal, preferred_x + 15, yr);
 	} else {
-		SpriteID sprite = GetRailIcon(engine, false, y);
+		SpriteID sprite = GetRailIcon(engine, false, y, image_type);
 		const Sprite *real_sprite = GetSprite(sprite, ST_NORMAL);
 		preferred_x = Clamp(preferred_x, left - real_sprite->x_offs, right - real_sprite->width - real_sprite->x_offs);
 		DrawSprite(sprite, pal, preferred_x, y);
@@ -2046,7 +2046,7 @@
 	v->cur_speed = 0;
 
 	v->UpdateDeltaXY(v->direction);
-	v->cur_image = v->GetImage(v->direction);
+	v->cur_image = v->GetImage(v->direction, EIT_ON_MAP);
 	VehicleMove(v, false);
 	UpdateSignalsOnSegment(v->tile, INVALID_DIAGDIR, v->owner);
 	v->UpdateAcceleration();
@@ -3317,7 +3317,7 @@
 		if (!(v->vehstatus & VS_HIDDEN)) {
 			v->direction = ChangeDir(v->direction, delta[GB(Random(), 0, 2)]);
 			v->UpdateDeltaXY(v->direction);
-			v->cur_image = v->GetImage(v->direction);
+			v->cur_image = v->GetImage(v->direction, EIT_ON_MAP);
 			/* Refrain from updating the z position of the vehicle when on
 			 * a bridge, because UpdateInclination() will put the vehicle under
 			 * the bridge in that case */
--- a/src/train_gui.cpp
+++ b/src/train_gui.cpp
@@ -90,7 +90,7 @@
  * @param skip      Number of pixels to skip at the front (for scrolling)
  * @param drag_dest The vehicle another one is dragged over, \c INVALID_VEHICLE if none.
  */
-void DrawTrainImage(const Train *v, int left, int right, int y, VehicleID selection, int skip, VehicleID drag_dest)
+void DrawTrainImage(const Train *v, int left, int right, int y, VehicleID selection, EngineImageType image_type, int skip, VehicleID drag_dest)
 {
 	bool rtl = _current_text_dir == TD_RTL;
 	Direction dir = rtl ? DIR_E : DIR_W;
@@ -122,7 +122,7 @@
 
 		if (rtl ? px + width > 0 : px - width < max_width) {
 			PaletteID pal = (v->vehstatus & VS_CRASHED) ? PALETTE_CRASH : GetVehiclePalette(v);
-			DrawSprite(v->GetImage(dir), pal, px + (rtl ? -offset.x : offset.x), 7 + offset.y);
+			DrawSprite(v->GetImage(dir, image_type), pal, px + (rtl ? -offset.x : offset.x), 7 + offset.y);
 		}
 
 		if (!v->IsArticulatedPart()) sel_articulated = false;
@@ -359,7 +359,7 @@
 				int width = u->GetDisplayImageWidth(&offset);
 				if (vscroll_pos <= 0 && vscroll_pos > -vscroll_cap) {
 					PaletteID pal = (v->vehstatus & VS_CRASHED) ? PALETTE_CRASH : GetVehiclePalette(v);
-					DrawSprite(u->GetImage(dir), pal, px + (rtl ? -offset.x : offset.x), y - line_height * vscroll_pos + sprite_y_offset + offset.y);
+					DrawSprite(u->GetImage(dir, EIT_IN_DETAILS), pal, px + (rtl ? -offset.x : offset.x), y - line_height * vscroll_pos + sprite_y_offset + offset.y);
 				}
 				px += rtl ? -width : width;
 				dx += width;
--- a/src/vehicle_base.h
+++ b/src/vehicle_base.h
@@ -347,7 +347,7 @@
 	 * @param direction the direction the vehicle is facing
 	 * @return the sprite for the given vehicle in the given direction
 	 */
-	virtual SpriteID GetImage(Direction direction) const { return 0; }
+	virtual SpriteID GetImage(Direction direction, EngineImageType image_type) const { return 0; }
 
 	const GRFFile *GetGRF() const;
 	uint32 GetGRFID() const;
@@ -992,7 +992,7 @@
 		 * it gives ~3% runtime improvements in games with many vehicles */
 		if (turned) ((T *)this)->T::UpdateDeltaXY(this->direction);
 		SpriteID old_image = this->cur_image;
-		this->cur_image = ((T *)this)->T::GetImage(this->direction);
+		this->cur_image = ((T *)this)->T::GetImage(this->direction, EIT_ON_MAP);
 		if (moved || this->cur_image != old_image) VehicleMove(this, true);
 	}
 };
--- a/src/vehicle_gui.cpp
+++ b/src/vehicle_gui.cpp
@@ -612,7 +612,7 @@
 			case VRW_VEHICLE_PANEL_DISPLAY: {
 				Vehicle *v = Vehicle::Get(this->window_number);
 				DrawVehicleImage(v, this->sprite_left + WD_FRAMERECT_LEFT, this->sprite_right - WD_FRAMERECT_RIGHT,
-					r.top + WD_FRAMERECT_TOP, INVALID_VEHICLE, this->hscroll != NULL ? this->hscroll->GetPosition() : 0);
+					r.top + WD_FRAMERECT_TOP, INVALID_VEHICLE, EIT_IN_DETAILS, this->hscroll != NULL ? this->hscroll->GetPosition() : 0);
 
 				/* Highlight selected vehicles. */
 				if (this->order != INVALID_VEH_ORDER_ID) break;
@@ -705,7 +705,7 @@
 				this->BuildRefitList();
 
 				/* The vehicle width has changed too. */
-				this->vehicle_width = GetVehicleWidth(Vehicle::Get(this->window_number));
+				this->vehicle_width = GetVehicleWidth(Vehicle::Get(this->window_number), EIT_IN_DETAILS);
 				uint max_width = 0;
 
 				/* Check the width of all cargo information strings. */
@@ -866,7 +866,7 @@
 
 	virtual void OnResize()
 	{
-		this->vehicle_width = GetVehicleWidth(Vehicle::Get(this->window_number));
+		this->vehicle_width = GetVehicleWidth(Vehicle::Get(this->window_number), EIT_IN_DETAILS);
 		this->vscroll->SetCapacityFromWidget(this, VRW_MATRIX);
 		if (this->hscroll != NULL) this->hscroll->SetCapacityFromWidget(this, VRW_VEHICLE_PANEL_DISPLAY);
 		this->GetWidget<NWidgetCore>(VRW_MATRIX)->widget_data = (this->vscroll->GetCapacity() << MAT_ROW_START) + (1 << MAT_COL_START);
@@ -1237,13 +1237,13 @@
  * @param selection Selected vehicle to draw a frame around
  * @param skip      Number of pixels to skip at the front (for scrolling)
  */
-void DrawVehicleImage(const Vehicle *v, int left, int right, int y, VehicleID selection, int skip)
+void DrawVehicleImage(const Vehicle *v, int left, int right, int y, VehicleID selection, EngineImageType image_type, int skip)
 {
 	switch (v->type) {
-		case VEH_TRAIN:    DrawTrainImage(Train::From(v), left, right, y, selection, skip); break;
-		case VEH_ROAD:     DrawRoadVehImage(v, left, right, y, selection, skip);  break;
-		case VEH_SHIP:     DrawShipImage(v, left, right, y, selection);     break;
-		case VEH_AIRCRAFT: DrawAircraftImage(v, left, right, y, selection); break;
+		case VEH_TRAIN:    DrawTrainImage(Train::From(v), left, right, y, selection, image_type, skip); break;
+		case VEH_ROAD:     DrawRoadVehImage(v, left, right, y, selection, image_type, skip);  break;
+		case VEH_SHIP:     DrawShipImage(v, left, right, y, selection, image_type);     break;
+		case VEH_AIRCRAFT: DrawAircraftImage(v, left, right, y, selection, image_type); break;
 		default: NOT_REACHED();
 	}
 }
@@ -1303,7 +1303,7 @@
 		SetDParam(0, v->GetDisplayProfitThisYear());
 		SetDParam(1, v->GetDisplayProfitLastYear());
 
-		DrawVehicleImage(v, image_left, image_right, y + FONT_HEIGHT_SMALL - 1, selected_vehicle, 0);
+		DrawVehicleImage(v, image_left, image_right, y + FONT_HEIGHT_SMALL - 1, selected_vehicle, EIT_IN_LIST, 0);
 		DrawString(text_left, text_right, y + line_height - FONT_HEIGHT_SMALL - WD_FRAMERECT_BOTTOM - 1, STR_VEHICLE_LIST_PROFIT_THIS_YEAR_LAST_YEAR);
 
 		if (v->name != NULL) {
@@ -1996,19 +1996,19 @@
 			case VLD_WIDGET_MIDDLE_DETAILS: {
 				/* For other vehicles, at the place of the matrix. */
 				bool rtl = _current_text_dir == TD_RTL;
-				uint sprite_width = max<uint>(GetSprite(v->GetImage(rtl ? DIR_E : DIR_W), ST_NORMAL)->width, 70U) + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
+				uint sprite_width = max<uint>(GetSprite(v->GetImage(rtl ? DIR_E : DIR_W, EIT_IN_DETAILS), ST_NORMAL)->width, 70U) + WD_FRAMERECT_LEFT + WD_FRAMERECT_RIGHT;
 
 				uint text_left  = r.left  + (rtl ? 0 : sprite_width);
 				uint text_right = r.right - (rtl ? sprite_width : 0);
 
 				/* Articulated road vehicles use a complete line. */
 				if (v->type == VEH_ROAD && v->HasArticulatedPart()) {
-					DrawVehicleImage(v, r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_FRAMERECT_TOP, INVALID_VEHICLE, 0);
+					DrawVehicleImage(v, r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, r.top + WD_FRAMERECT_TOP, INVALID_VEHICLE, EIT_IN_DETAILS, 0);
 				} else {
 					uint sprite_left  = rtl ? text_right : r.left;
 					uint sprite_right = rtl ? r.right : text_left;
 
-					DrawVehicleImage(v, sprite_left + WD_FRAMERECT_LEFT, sprite_right - WD_FRAMERECT_RIGHT, r.top + WD_FRAMERECT_TOP, INVALID_VEHICLE, 0);
+					DrawVehicleImage(v, sprite_left + WD_FRAMERECT_LEFT, sprite_right - WD_FRAMERECT_RIGHT, r.top + WD_FRAMERECT_TOP, INVALID_VEHICLE, EIT_IN_DETAILS, 0);
 				}
 				DrawVehicleDetails(v, text_left + WD_FRAMERECT_LEFT, text_right - WD_FRAMERECT_RIGHT, r.top + WD_FRAMERECT_TOP, 0, 0, this->tab);
 				break;
@@ -2686,7 +2686,7 @@
  * @param v Vehicle to get the width for.
  * @return Width of the vehicle.
  */
-int GetVehicleWidth(Vehicle *v)
+int GetVehicleWidth(Vehicle *v, EngineImageType image_type)
 {
 	int vehicle_width = 0;
 
@@ -2705,7 +2705,7 @@
 
 		default:
 			bool rtl = _current_text_dir == TD_RTL;
-			SpriteID sprite = v->GetImage(rtl ? DIR_E : DIR_W);
+			SpriteID sprite = v->GetImage(rtl ? DIR_E : DIR_W, image_type);
 			const Sprite *real_sprite = GetSprite(sprite, ST_NORMAL);
 			vehicle_width = real_sprite->width;
 
--- a/src/vehicle_gui.h
+++ b/src/vehicle_gui.h
@@ -48,10 +48,10 @@
 
 int DrawVehiclePurchaseInfo(int left, int right, int y, EngineID engine_number);
 
-void DrawTrainImage(const Train *v, int left, int right, int y, VehicleID selection, int skip, VehicleID drag_dest = INVALID_VEHICLE);
-void DrawRoadVehImage(const Vehicle *v, int left, int right, int y, VehicleID selection, int skip = 0);
-void DrawShipImage(const Vehicle *v, int left, int right, int y, VehicleID selection);
-void DrawAircraftImage(const Vehicle *v, int left, int right, int y, VehicleID selection);
+void DrawTrainImage(const Train *v, int left, int right, int y, VehicleID selection, EngineImageType image_type, int skip, VehicleID drag_dest = INVALID_VEHICLE);
+void DrawRoadVehImage(const Vehicle *v, int left, int right, int y, VehicleID selection, EngineImageType image_type, int skip = 0);
+void DrawShipImage(const Vehicle *v, int left, int right, int y, VehicleID selection, EngineImageType image_type);
+void DrawAircraftImage(const Vehicle *v, int left, int right, int y, VehicleID selection, EngineImageType image_type);
 
 void ShowBuildVehicleWindow(TileIndex tile, VehicleType type);
 
@@ -73,7 +73,7 @@
 	return (type == VEH_TRAIN || type == VEH_ROAD) ? 14 : 24;
 }
 
-int GetVehicleWidth(Vehicle *v);
+int GetVehicleWidth(Vehicle *v, EngineImageType image_type);
 
 /**
  * Get WindowClass for vehicle list of given vehicle type
@@ -99,6 +99,6 @@
 
 Vehicle *CheckClickOnVehicle(const struct ViewPort *vp, int x, int y);
 
-void DrawVehicleImage(const Vehicle *v, int left, int right, int y, VehicleID selection, int skip);
+void DrawVehicleImage(const Vehicle *v, int left, int right, int y, VehicleID selection, EngineImageType image_type, int skip);
 
 #endif /* VEHICLE_GUI_H */
--- a/src/vehicle_type.h
+++ b/src/vehicle_type.h
@@ -83,4 +83,14 @@
 	AM_REALISTIC,
 };
 
+/** Visualisation contexts of vehicles and engines. */
+enum EngineImageType {
+	EIT_ON_MAP     = 0x00,  ///< Vehicle drawn in viewport.
+	EIT_IN_DEPOT   = 0x10,  ///< Vehicle drawn in depot.
+	EIT_IN_DETAILS = 0x11,  ///< Vehicle drawn in vehicle details, refit window, ...
+	EIT_IN_LIST    = 0x12,  ///< Vehicle drawn in vehicle list, group list, ...
+	EIT_PURCHASE   = 0x20,  ///< Vehicle drawn in purchase list, autoreplace gui, ...
+	EIT_PREVIEW    = 0x21,  ///< Vehicle drawn in preview window, news, ...
+};
+
 #endif /* VEHICLE_TYPE_H */