(svn r8363) -Codechange: [autoreplace GUI] moved the autoreplace GUI to a file of it's own

1 files changed, 630 insertions, 0 deletions

diff --git a/src/autoreplace_gui.cpp b/src/autoreplace_gui.cpp
new file mode 100644
index 000000000..42901ed8f
--- /dev/null
+++ b/src/autoreplace_gui.cpp
@@ -0,0 +1,630 @@
+/* $Id$ */
+
+#include "stdafx.h"
+#include "openttd.h"
+#include "debug.h"
+#include "functions.h"
+#include "table/sprites.h"
+#include "table/strings.h"
+#include "window.h"
+#include "gui.h"
+#include "command.h"
+#include "variables.h"
+#include "vehicle_gui.h"
+#include "newgrf_engine.h"
+
+
+static RailType _railtype_selected_in_replace_gui;
+
+static const StringID _rail_types_list[] = {
+	STR_RAIL_VEHICLES,
+	STR_ELRAIL_VEHICLES,
+	STR_MONORAIL_VEHICLES,
+	STR_MAGLEV_VEHICLES,
+	INVALID_STRING_ID
+};
+
+/* General Vehicle GUI based procedures that are independent of vehicle types */
+void InitializeVehiclesGuiList(void)
+{
+	_railtype_selected_in_replace_gui = RAILTYPE_RAIL;
+}
+
+// this define is to match engine.c, but engine.c keeps it to itself
+// ENGINE_AVAILABLE is used in ReplaceVehicleWndProc
+#define ENGINE_AVAILABLE ((e->flags & 1 && HASBIT(info->climates, _opt.landscape)) || HASBIT(e->player_avail, _local_player))
+
+/*  if show_outdated is selected, it do not sort psudo engines properly but it draws all engines
+ * if used compined with show_cars set to false, it will work as intended. Replace window do it like that
+ *  this was a big hack even before show_outdated was added. Stupid newgrf :p
+ */
+static void train_engine_drawing_loop(int *x, int *y, int *pos, int *sel, EngineID *selected_id, RailType railtype,
+	uint8 lines_drawn, bool is_engine, bool show_cars, bool show_outdated, bool show_compatible)
+{
+	EngineID j;
+	byte colour;
+	const Player *p = GetPlayer(_local_player);
+
+	for (j = 0; j < NUM_TRAIN_ENGINES; j++) {
+		EngineID i = GetRailVehAtPosition(j);
+		const Engine *e = GetEngine(i);
+		const RailVehicleInfo *rvi = RailVehInfo(i);
+		const EngineInfo *info = EngInfo(i);
+
+		if (!EngineHasReplacementForPlayer(p, i) && p->num_engines[i] == 0 && show_outdated) continue;
+
+		if ((rvi->power == 0 && !show_cars) || (rvi->power != 0 && show_cars))  // show wagons or engines (works since wagons do not have power)
+			continue;
+
+		if (*sel == 0) *selected_id = j;
+
+
+		colour = *sel == 0 ? 0xC : 0x10;
+		if (!(ENGINE_AVAILABLE && show_outdated && RailVehInfo(i)->power && IsCompatibleRail(e->railtype, railtype))) {
+			if ((!IsCompatibleRail(e->railtype, railtype) && show_compatible)
+				|| (e->railtype != railtype && !show_compatible)
+				|| !(rvi->flags & RVI_WAGON) != is_engine ||
+				!HASBIT(e->player_avail, _local_player))
+				continue;
+#if 0
+		} else {
+			// TODO find a nice red colour for vehicles being replaced
+			if ( _autoreplace_array[i] != i )
+				colour = *sel == 0 ? 0x44 : 0x45;
+#endif
+		}
+
+		if (IS_INT_INSIDE(--*pos, -lines_drawn, 0)) {
+			DrawString(*x + 59, *y + 2, GetCustomEngineName(i),
+				colour);
+			// show_outdated is true only for left side, which is where we show old replacements
+			DrawTrainEngine(*x + 29, *y + 6, i, (p->num_engines[i] == 0 && show_outdated) ?
+				PALETTE_CRASH : GetEnginePalette(i, _local_player));
+			if ( show_outdated ) {
+				SetDParam(0, p->num_engines[i]);
+				DrawStringRightAligned(213, *y+5, STR_TINY_BLACK, 0);
+			}
+			*y += 14;
+		}
+		--*sel;
+	}
+}
+
+
+static void SetupScrollStuffForReplaceWindow(Window *w)
+{
+	EngineID selected_id[2] = { INVALID_ENGINE, INVALID_ENGINE };
+	const Player* p = GetPlayer(_local_player);
+	uint sel[2];
+	uint count = 0;
+	uint count2 = 0;
+	EngineID i;
+
+	sel[0] = WP(w,replaceveh_d).sel_index[0];
+	sel[1] = WP(w,replaceveh_d).sel_index[1];
+
+	switch (WP(w,replaceveh_d).vehicletype) {
+		case VEH_Train: {
+			RailType railtype = _railtype_selected_in_replace_gui;
+
+			w->widget[13].color = _player_colors[_local_player]; // sets the colour of that art thing
+			w->widget[16].color = _player_colors[_local_player]; // sets the colour of that art thing
+
+			for (i = 0; i < NUM_TRAIN_ENGINES; i++) {
+				EngineID eid = GetRailVehAtPosition(i);
+				const Engine* e = GetEngine(eid);
+				const EngineInfo* info = EngInfo(eid);
+
+				// left window contains compatible engines while right window only contains engines of the selected type
+				if (ENGINE_AVAILABLE &&
+						(RailVehInfo(eid)->power != 0) == (WP(w, replaceveh_d).wagon_btnstate != 0)) {
+					if (IsCompatibleRail(e->railtype, railtype) && (p->num_engines[eid] > 0 || EngineHasReplacementForPlayer(p, eid))) {
+						if (sel[0] == count) selected_id[0] = eid;
+						count++;
+					}
+					if (e->railtype == railtype && HASBIT(e->player_avail, _local_player)) {
+						if (sel[1] == count2) selected_id[1] = eid;
+						count2++;
+					}
+				}
+			}
+			break;
+		}
+
+		case VEH_Road: {
+			for (i = ROAD_ENGINES_INDEX; i < ROAD_ENGINES_INDEX + NUM_ROAD_ENGINES; i++) {
+				if (p->num_engines[i] > 0 || EngineHasReplacementForPlayer(p, i)) {
+					if (sel[0] == count) selected_id[0] = i;
+					count++;
+				}
+			}
+
+			if (selected_id[0] != INVALID_ENGINE) { // only draw right array if we have anything in the left one
+				CargoID cargo = RoadVehInfo(selected_id[0])->cargo_type;
+
+				for (i = ROAD_ENGINES_INDEX; i < ROAD_ENGINES_INDEX + NUM_ROAD_ENGINES; i++) {
+					if (cargo == RoadVehInfo(i)->cargo_type &&
+							HASBIT(GetEngine(i)->player_avail, _local_player)) {
+						if (sel[1] == count2) selected_id[1] = i;
+						count2++;
+					}
+				}
+			}
+			break;
+		}
+
+		case VEH_Ship: {
+			for (i = SHIP_ENGINES_INDEX; i < SHIP_ENGINES_INDEX + NUM_SHIP_ENGINES; i++) {
+				if (p->num_engines[i] > 0 || EngineHasReplacementForPlayer(p, i)) {
+					if (sel[0] == count) selected_id[0] = i;
+					count++;
+				}
+			}
+
+			if (selected_id[0] != INVALID_ENGINE) {
+				const ShipVehicleInfo* svi = ShipVehInfo(selected_id[0]);
+				CargoID cargo = svi->cargo_type;
+				bool refittable = svi->refittable;
+
+				for (i = SHIP_ENGINES_INDEX; i < SHIP_ENGINES_INDEX + NUM_SHIP_ENGINES; i++) {
+					if (HASBIT(GetEngine(i)->player_avail, _local_player) && (
+								ShipVehInfo(i)->cargo_type == cargo ||
+								ShipVehInfo(i)->refittable && refittable
+							)) {
+						if (sel[1] == count2) selected_id[1] = i;
+						count2++;
+					}
+				}
+			}
+			break;
+		}
+
+		case VEH_Aircraft: {
+			for (i = AIRCRAFT_ENGINES_INDEX; i < AIRCRAFT_ENGINES_INDEX + NUM_AIRCRAFT_ENGINES; i++) {
+				if (p->num_engines[i] > 0 || EngineHasReplacementForPlayer(p, i)) {
+					if (sel[0] == count) selected_id[0] = i;
+					count++;
+				}
+			}
+
+			if (selected_id[0] != INVALID_ENGINE) {
+				byte subtype = AircraftVehInfo(selected_id[0])->subtype;
+
+				for (i = AIRCRAFT_ENGINES_INDEX; i < AIRCRAFT_ENGINES_INDEX + NUM_AIRCRAFT_ENGINES; i++) {
+					if (HASBIT(GetEngine(i)->player_avail, _local_player) &&
+							(subtype & AIR_CTOL) == (AircraftVehInfo(i)->subtype & AIR_CTOL)) {
+						if (sel[1] == count2) selected_id[1] = i;
+						count2++;
+					}
+				}
+			}
+			break;
+		}
+	}
+	// sets up the number of items in each list
+	SetVScrollCount(w, count);
+	SetVScroll2Count(w, count2);
+	WP(w,replaceveh_d).sel_engine[0] = selected_id[0];
+	WP(w,replaceveh_d).sel_engine[1] = selected_id[1];
+
+	WP(w,replaceveh_d).count[0] = count;
+	WP(w,replaceveh_d).count[1] = count2;
+	return;
+}
+
+
+static void DrawEngineArrayInReplaceWindow(Window *w, int x, int y, int x2, int y2, int pos, int pos2,
+	int sel1, int sel2, EngineID selected_id1, EngineID selected_id2)
+{
+	int sel[2];
+	EngineID selected_id[2];
+	const Player *p = GetPlayer(_local_player);
+
+	sel[0] = sel1;
+	sel[1] = sel2;
+
+	selected_id[0] = selected_id1;
+	selected_id[1] = selected_id2;
+
+	switch (WP(w,replaceveh_d).vehicletype) {
+		case VEH_Train: {
+			RailType railtype = _railtype_selected_in_replace_gui;
+			DrawString(157, w->widget[14].top + 1, _rail_types_list[railtype], 0x10);
+			/* draw sorting criteria string */
+
+			/* Ensure that custom engines which substituted wagons
+			 * are sorted correctly.
+			 * XXX - DO NOT EVER DO THIS EVER AGAIN! GRRR hacking in wagons as
+			 * engines to get more types.. Stays here until we have our own format
+			 * then it is exit!!! */
+			if (WP(w,replaceveh_d).wagon_btnstate) {
+				train_engine_drawing_loop(&x, &y, &pos, &sel[0], &selected_id[0], railtype, w->vscroll.cap, true, false, true, true); // True engines
+				train_engine_drawing_loop(&x2, &y2, &pos2, &sel[1], &selected_id[1], railtype, w->vscroll.cap, true, false, false, false); // True engines
+				train_engine_drawing_loop(&x2, &y2, &pos2, &sel[1], &selected_id[1], railtype, w->vscroll.cap, false, false, false, false); // Feeble wagons
+			} else {
+				train_engine_drawing_loop(&x, &y, &pos, &sel[0], &selected_id[0], railtype, w->vscroll.cap, false, true, true, true);
+				train_engine_drawing_loop(&x2, &y2, &pos2, &sel[1], &selected_id[1], railtype, w->vscroll.cap, false, true, false, true);
+			}
+			break;
+		}
+
+		case VEH_Road: {
+			int num = NUM_ROAD_ENGINES;
+			const Engine* e = GetEngine(ROAD_ENGINES_INDEX);
+			EngineID engine_id = ROAD_ENGINES_INDEX;
+
+			do {
+				if (p->num_engines[engine_id] > 0 || EngineHasReplacementForPlayer(p, engine_id)) {
+					if (IS_INT_INSIDE(--pos, -w->vscroll.cap, 0)) {
+						DrawString(x+59, y+2, GetCustomEngineName(engine_id), sel[0]==0 ? 0xC : 0x10);
+						DrawRoadVehEngine(x+29, y+6, engine_id, p->num_engines[engine_id] > 0 ? GetEnginePalette(engine_id, _local_player) : PALETTE_CRASH);
+						SetDParam(0, p->num_engines[engine_id]);
+						DrawStringRightAligned(213, y+5, STR_TINY_BLACK, 0);
+						y += 14;
+					}
+				sel[0]--;
+				}
+
+				if (selected_id[0] != INVALID_ENGINE) {
+					byte cargo = RoadVehInfo(selected_id[0])->cargo_type;
+
+					if (RoadVehInfo(engine_id)->cargo_type == cargo && HASBIT(e->player_avail, _local_player)) {
+						if (IS_INT_INSIDE(--pos2, -w->vscroll.cap, 0) && RoadVehInfo(engine_id)->cargo_type == cargo) {
+							DrawString(x2+59, y2+2, GetCustomEngineName(engine_id), sel[1]==0 ? 0xC : 0x10);
+							DrawRoadVehEngine(x2+29, y2+6, engine_id, GetEnginePalette(engine_id, _local_player));
+							y2 += 14;
+						}
+						sel[1]--;
+					}
+				}
+			} while (++engine_id, ++e,--num);
+			break;
+		}
+
+		case VEH_Ship: {
+			int num = NUM_SHIP_ENGINES;
+			const Engine* e = GetEngine(SHIP_ENGINES_INDEX);
+			EngineID engine_id = SHIP_ENGINES_INDEX;
+
+			do {
+				if (p->num_engines[engine_id] > 0 || EngineHasReplacementForPlayer(p, engine_id)) {
+					if (IS_INT_INSIDE(--pos, -w->vscroll.cap, 0)) {
+						DrawString(x+75, y+7, GetCustomEngineName(engine_id), sel[0]==0 ? 0xC : 0x10);
+						DrawShipEngine(x+35, y+10, engine_id, p->num_engines[engine_id] > 0 ? GetEnginePalette(engine_id, _local_player) : PALETTE_CRASH);
+						SetDParam(0, p->num_engines[engine_id]);
+						DrawStringRightAligned(213, y+15, STR_TINY_BLACK, 0);
+						y += 24;
+					}
+					sel[0]--;
+				}
+
+				if (selected_id[0] != INVALID_ENGINE) {
+					CargoID cargo = ShipVehInfo(selected_id[0])->cargo_type;
+					bool refittable = ShipVehInfo(selected_id[0])->refittable;
+
+					if (HASBIT(e->player_avail, _local_player) && ( cargo == ShipVehInfo(engine_id)->cargo_type || refittable & ShipVehInfo(engine_id)->refittable)) {
+						if (IS_INT_INSIDE(--pos2, -w->vscroll.cap, 0)) {
+							DrawString(x2+75, y2+7, GetCustomEngineName(engine_id), sel[1]==0 ? 0xC : 0x10);
+							DrawShipEngine(x2+35, y2+10, engine_id, GetEnginePalette(engine_id, _local_player));
+							y2 += 24;
+						}
+						sel[1]--;
+					}
+				}
+			} while (++engine_id, ++e, --num);
+			break;
+		}   //end of ship
+
+		case VEH_Aircraft: {
+			int num = NUM_AIRCRAFT_ENGINES;
+			const Engine* e = GetEngine(AIRCRAFT_ENGINES_INDEX);
+			EngineID engine_id = AIRCRAFT_ENGINES_INDEX;
+
+			do {
+				if (p->num_engines[engine_id] > 0 || EngineHasReplacementForPlayer(p, engine_id)) {
+					if (sel[0] == 0) selected_id[0] = engine_id;
+					if (IS_INT_INSIDE(--pos, -w->vscroll.cap, 0)) {
+						DrawString(x+62, y+7, GetCustomEngineName(engine_id), sel[0]==0 ? 0xC : 0x10);
+						DrawAircraftEngine(x+29, y+10, engine_id, p->num_engines[engine_id] > 0 ? GetEnginePalette(engine_id, _local_player) : PALETTE_CRASH);
+						SetDParam(0, p->num_engines[engine_id]);
+						DrawStringRightAligned(213, y+15, STR_TINY_BLACK, 0);
+						y += 24;
+					}
+					sel[0]--;
+				}
+
+				if (selected_id[0] != INVALID_ENGINE) {
+					byte subtype = AircraftVehInfo(selected_id[0])->subtype;
+
+					if ((subtype & AIR_CTOL) == (AircraftVehInfo(engine_id)->subtype & AIR_CTOL) &&
+							HASBIT(e->player_avail, _local_player)) {
+						if (sel[1] == 0) selected_id[1] = engine_id;
+						if (IS_INT_INSIDE(--pos2, -w->vscroll.cap, 0)) {
+							DrawString(x2+62, y2+7, GetCustomEngineName(engine_id), sel[1]==0 ? 0xC : 0x10);
+							DrawAircraftEngine(x2+29, y2+10, engine_id, GetEnginePalette(engine_id, _local_player));
+							y2 += 24;
+						}
+						sel[1]--;
+					}
+				}
+			} while (++engine_id, ++e,--num);
+			break;
+		}   // end of aircraft
+	}
+}
+
+static void ReplaceVehicleWndProc(Window *w, WindowEvent *e)
+{
+	static const StringID _vehicle_type_names[] = {
+		STR_019F_TRAIN,
+		STR_019C_ROAD_VEHICLE,
+		STR_019E_SHIP,
+		STR_019D_AIRCRAFT
+	};
+
+	switch (e->event) {
+		case WE_PAINT: {
+				Player *p = GetPlayer(_local_player);
+				int pos = w->vscroll.pos;
+				EngineID selected_id[2] = { INVALID_ENGINE, INVALID_ENGINE };
+				int x = 1;
+				int y = 15;
+				int pos2 = w->vscroll2.pos;
+				int x2 = 1 + 228;
+				int y2 = 15;
+				int sel[2];
+				byte i;
+				sel[0] = WP(w,replaceveh_d).sel_index[0];
+				sel[1] = WP(w,replaceveh_d).sel_index[1];
+
+				SetupScrollStuffForReplaceWindow(w);
+
+				selected_id[0] = WP(w,replaceveh_d).sel_engine[0];
+				selected_id[1] = WP(w,replaceveh_d).sel_engine[1];
+
+				// Disable the "Start Replacing" button if:
+				//    Either list is empty
+				// or Both lists have the same vehicle selected
+				// or The selected replacement engine has a replacement (to prevent loops)
+				// or The right list (new replacement) has the existing replacement vehicle selected
+				SetWindowWidgetDisabledState(w, 4,
+						selected_id[0] == INVALID_ENGINE ||
+						selected_id[1] == INVALID_ENGINE ||
+						selected_id[0] == selected_id[1] ||
+						EngineReplacementForPlayer(p, selected_id[1]) != INVALID_ENGINE ||
+						EngineReplacementForPlayer(p, selected_id[0]) == selected_id[1]);
+
+				// Disable the "Stop Replacing" button if:
+				//    The left list (existing vehicle) is empty
+				// or The selected vehicle has no replacement set up
+				SetWindowWidgetDisabledState(w, 6,
+						selected_id[0] == INVALID_ENGINE ||
+						!EngineHasReplacementForPlayer(p, selected_id[0]));
+
+				// now the actual drawing of the window itself takes place
+				SetDParam(0, _vehicle_type_names[WP(w, replaceveh_d).vehicletype - VEH_Train]);
+
+				if (WP(w, replaceveh_d).vehicletype == VEH_Train) {
+					// set on/off for renew_keep_length
+					SetDParam(1, p->renew_keep_length ? STR_CONFIG_PATCHES_ON : STR_CONFIG_PATCHES_OFF);
+
+					// set wagon/engine button
+					SetDParam(2, WP(w, replaceveh_d).wagon_btnstate ? STR_ENGINES : STR_WAGONS);
+				}
+
+				DrawWindowWidgets(w);
+
+				// sets up the string for the vehicle that is being replaced to
+				if (selected_id[0] != INVALID_ENGINE) {
+					if (!EngineHasReplacementForPlayer(p, selected_id[0])) {
+						SetDParam(0, STR_NOT_REPLACING);
+					} else {
+						SetDParam(0, GetCustomEngineName(EngineReplacementForPlayer(p, selected_id[0])));
+					}
+				} else {
+					SetDParam(0, STR_NOT_REPLACING_VEHICLE_SELECTED);
+				}
+
+				DrawString(145, w->widget[5].top + 1, STR_02BD, 0x10);
+
+				/* now we draw the two arrays according to what we just counted */
+				DrawEngineArrayInReplaceWindow(w, x, y, x2, y2, pos, pos2, sel[0], sel[1], selected_id[0], selected_id[1]);
+
+				WP(w,replaceveh_d).sel_engine[0] = selected_id[0];
+				WP(w,replaceveh_d).sel_engine[1] = selected_id[1];
+				/* now we draw the info about the vehicles we selected */
+				for (i = 0 ; i < 2 ; i++) {
+					if (selected_id[i] != INVALID_ENGINE) {
+						const Widget *wi = &w->widget[i == 0 ? 3 : 11];
+						DrawVehiclePurchaseInfo(wi->left + 2 , wi->top + 1, wi->right - wi->left - 2, selected_id[i]);
+					}
+				}
+			} break;   // end of paint
+
+		case WE_CLICK: {
+			// these 3 variables is used if any of the lists is clicked
+			uint16 click_scroll_pos = w->vscroll2.pos;
+			uint16 click_scroll_cap = w->vscroll2.cap;
+			byte click_side = 1;
+
+			switch (e->we.click.widget) {
+				case 12:
+					WP(w, replaceveh_d).wagon_btnstate = !(WP(w, replaceveh_d).wagon_btnstate);
+					SetWindowDirty(w);
+					break;
+
+				case 14:
+				case 15: /* Railtype selection dropdown menu */
+					ShowDropDownMenu(w, _rail_types_list, _railtype_selected_in_replace_gui, 15, 0, ~GetPlayer(_local_player)->avail_railtypes);
+					break;
+
+				case 17: /* toggle renew_keep_length */
+					DoCommandP(0, 5, GetPlayer(_local_player)->renew_keep_length ? 0 : 1, NULL, CMD_SET_AUTOREPLACE);
+					break;
+
+				case 4: { /* Start replacing */
+					EngineID veh_from = WP(w, replaceveh_d).sel_engine[0];
+					EngineID veh_to = WP(w, replaceveh_d).sel_engine[1];
+					DoCommandP(0, 3, veh_from + (veh_to << 16), NULL, CMD_SET_AUTOREPLACE);
+					break;
+				}
+
+				case 6: { /* Stop replacing */
+					EngineID veh_from = WP(w, replaceveh_d).sel_engine[0];
+					DoCommandP(0, 3, veh_from + (INVALID_ENGINE << 16), NULL, CMD_SET_AUTOREPLACE);
+					break;
+				}
+
+				case 7:
+					// sets up that the left one was clicked. The default values are for the right one (9)
+					// this way, the code for 9 handles both sides
+					click_scroll_pos = w->vscroll.pos;
+					click_scroll_cap = w->vscroll.cap;
+					click_side = 0;
+					/* FALL THROUGH */
+
+				case 9: {
+					uint i = (e->we.click.pt.y - 14) / w->resize.step_height;
+					if (i < click_scroll_cap) {
+						WP(w,replaceveh_d).sel_index[click_side] = i + click_scroll_pos;
+						SetWindowDirty(w);
+					}
+					break;
+				}
+			}
+			break;
+		}
+
+		case WE_DROPDOWN_SELECT: /* we have selected a dropdown item in the list */
+			_railtype_selected_in_replace_gui = (RailType)e->we.dropdown.index;
+			/* Reset scrollbar positions */
+			w->vscroll.pos  = 0;
+			w->vscroll2.pos = 0;
+			SetWindowDirty(w);
+			break;
+
+		case WE_RESIZE:
+			w->vscroll.cap  += e->we.sizing.diff.y / (int)w->resize.step_height;
+			w->vscroll2.cap += e->we.sizing.diff.y / (int)w->resize.step_height;
+
+			w->widget[7].data = (w->vscroll.cap  << 8) + 1;
+			w->widget[9].data = (w->vscroll2.cap << 8) + 1;
+			break;
+	}
+}
+
+static const Widget _replace_rail_vehicle_widgets[] = {
+{   WWT_CLOSEBOX,   RESIZE_NONE,    14,     0,    10,     0,    13, STR_00C5,       STR_018B_CLOSE_WINDOW},
+{    WWT_CAPTION,   RESIZE_NONE,    14,    11,   443,     0,    13, STR_REPLACE_VEHICLES_WHITE, STR_018C_WINDOW_TITLE_DRAG_THIS},
+{  WWT_STICKYBOX,   RESIZE_NONE,    14,   444,   455,     0,    13, STR_NULL,       STR_STICKY_BUTTON},
+{      WWT_PANEL,     RESIZE_TB,    14,     0,   227,   126,   227, 0x0,            STR_NULL},
+{ WWT_PUSHTXTBTN,     RESIZE_TB,    14,     0,   138,   240,   251, STR_REPLACE_VEHICLES_START, STR_REPLACE_HELP_START_BUTTON},
+{      WWT_PANEL,     RESIZE_TB,    14,   139,   316,   228,   239, 0x0,            STR_REPLACE_HELP_REPLACE_INFO_TAB},
+{ WWT_PUSHTXTBTN,     RESIZE_TB,    14,   306,   443,   240,   251, STR_REPLACE_VEHICLES_STOP,  STR_REPLACE_HELP_STOP_BUTTON},
+{     WWT_MATRIX, RESIZE_BOTTOM,    14,     0,   215,    14,   125, 0x801,          STR_REPLACE_HELP_LEFT_ARRAY},
+{  WWT_SCROLLBAR, RESIZE_BOTTOM,    14,   216,   227,    14,   125, STR_NULL,       STR_0190_SCROLL_BAR_SCROLLS_LIST},
+{     WWT_MATRIX, RESIZE_BOTTOM,    14,   228,   443,    14,   125, 0x801,          STR_REPLACE_HELP_RIGHT_ARRAY},
+{ WWT_SCROLL2BAR, RESIZE_BOTTOM,    14,   444,   455,    14,   125, STR_NULL,       STR_0190_SCROLL_BAR_SCROLLS_LIST},
+{      WWT_PANEL,     RESIZE_TB,    14,   228,   455,   126,   227, 0x0,            STR_NULL},
+// train specific stuff
+{ WWT_PUSHTXTBTN,     RESIZE_TB,    14,     0,   138,   228,   239, STR_REPLACE_ENGINE_WAGON_SELECT,       STR_REPLACE_ENGINE_WAGON_SELECT_HELP},  // widget 12
+{      WWT_PANEL,     RESIZE_TB,    14,   139,   153,   240,   251, 0x0,            STR_NULL},
+{      WWT_PANEL,     RESIZE_TB,    14,   154,   277,   240,   251, 0x0,            STR_REPLACE_HELP_RAILTYPE},
+{    WWT_TEXTBTN,     RESIZE_TB,    14,   278,   289,   240,   251, STR_0225,       STR_REPLACE_HELP_RAILTYPE},
+{      WWT_PANEL,     RESIZE_TB,    14,   290,   305,   240,   251, 0x0,            STR_NULL},
+{ WWT_PUSHTXTBTN,     RESIZE_TB,    14,   317,   455,   228,   239, STR_REPLACE_REMOVE_WAGON,       STR_REPLACE_REMOVE_WAGON_HELP},
+// end of train specific stuff
+{  WWT_RESIZEBOX,     RESIZE_TB,    14,   444,   455,   240,   251, STR_NULL,       STR_RESIZE_BUTTON},
+{   WIDGETS_END},
+};
+
+static const Widget _replace_road_vehicle_widgets[] = {
+{   WWT_CLOSEBOX,   RESIZE_NONE,    14,     0,    10,     0,    13, STR_00C5,                    STR_018B_CLOSE_WINDOW},
+{    WWT_CAPTION,   RESIZE_NONE,    14,    11,   443,     0,    13, STR_REPLACE_VEHICLES_WHITE,  STR_018C_WINDOW_TITLE_DRAG_THIS},
+{  WWT_STICKYBOX,   RESIZE_NONE,    14,   444,   455,     0,    13, STR_NULL,                    STR_STICKY_BUTTON},
+{      WWT_PANEL,     RESIZE_TB,    14,     0,   227,   126,   217, 0x0,                         STR_NULL},
+{ WWT_PUSHTXTBTN,     RESIZE_TB,    14,     0,   138,   218,   229, STR_REPLACE_VEHICLES_START,  STR_REPLACE_HELP_START_BUTTON},
+{      WWT_PANEL,     RESIZE_TB,    14,   139,   305,   218,   229, 0x0,                         STR_REPLACE_HELP_REPLACE_INFO_TAB},
+{ WWT_PUSHTXTBTN,     RESIZE_TB,    14,   306,   443,   218,   229, STR_REPLACE_VEHICLES_STOP,   STR_REPLACE_HELP_STOP_BUTTON},
+{     WWT_MATRIX, RESIZE_BOTTOM,    14,     0,   215,    14,   125, 0x801,                       STR_REPLACE_HELP_LEFT_ARRAY},
+{  WWT_SCROLLBAR, RESIZE_BOTTOM,    14,   216,   227,    14,   125, STR_NULL,                    STR_0190_SCROLL_BAR_SCROLLS_LIST},
+{     WWT_MATRIX, RESIZE_BOTTOM,    14,   228,   443,    14,   125, 0x801,                       STR_REPLACE_HELP_RIGHT_ARRAY},
+{ WWT_SCROLL2BAR, RESIZE_BOTTOM,    14,   444,   455,    14,   125, STR_NULL,                    STR_0190_SCROLL_BAR_SCROLLS_LIST},
+{      WWT_PANEL,     RESIZE_TB,    14,   228,   455,   126,   217, 0x0,                         STR_NULL},
+{  WWT_RESIZEBOX,     RESIZE_TB,    14,   444,   455,   218,   229, STR_NULL,                    STR_RESIZE_BUTTON},
+{   WIDGETS_END},
+};
+
+static const Widget _replace_ship_aircraft_vehicle_widgets[] = {
+{   WWT_CLOSEBOX,   RESIZE_NONE,    14,     0,    10,     0,    13, STR_00C5,                    STR_018B_CLOSE_WINDOW},
+{    WWT_CAPTION,   RESIZE_NONE,    14,    11,   443,     0,    13, STR_REPLACE_VEHICLES_WHITE,  STR_018C_WINDOW_TITLE_DRAG_THIS},
+{  WWT_STICKYBOX,   RESIZE_NONE,    14,   444,   455,     0,    13, STR_NULL,                    STR_STICKY_BUTTON},
+{      WWT_PANEL,     RESIZE_TB,    14,     0,   227,   110,   201, 0x0,                         STR_NULL},
+{ WWT_PUSHTXTBTN,     RESIZE_TB,    14,     0,   138,   202,   213, STR_REPLACE_VEHICLES_START,  STR_REPLACE_HELP_START_BUTTON},
+{      WWT_PANEL,     RESIZE_TB,    14,   139,   305,   202,   213, 0x0,                         STR_REPLACE_HELP_REPLACE_INFO_TAB},
+{ WWT_PUSHTXTBTN,     RESIZE_TB,    14,   306,   443,   202,   213, STR_REPLACE_VEHICLES_STOP,   STR_REPLACE_HELP_STOP_BUTTON},
+{     WWT_MATRIX, RESIZE_BOTTOM,    14,     0,   215,    14,   109, 0x401,                       STR_REPLACE_HELP_LEFT_ARRAY},
+{  WWT_SCROLLBAR, RESIZE_BOTTOM,    14,   216,   227,    14,   109, STR_NULL,                    STR_0190_SCROLL_BAR_SCROLLS_LIST},
+{     WWT_MATRIX, RESIZE_BOTTOM,    14,   228,   443,    14,   109, 0x401,                       STR_REPLACE_HELP_RIGHT_ARRAY},
+{ WWT_SCROLL2BAR, RESIZE_BOTTOM,    14,   444,   455,    14,   109, STR_NULL,                    STR_0190_SCROLL_BAR_SCROLLS_LIST},
+{      WWT_PANEL,     RESIZE_TB,    14,   228,   455,   110,   201, 0x0,                         STR_NULL},
+{  WWT_RESIZEBOX,     RESIZE_TB,    14,   444,   455,   202,   213, STR_NULL,                    STR_RESIZE_BUTTON},
+{   WIDGETS_END},
+};
+
+static const WindowDesc _replace_rail_vehicle_desc = {
+	WDP_AUTO, WDP_AUTO, 456, 252,
+	WC_REPLACE_VEHICLE,0,
+	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_STICKY_BUTTON | WDF_RESIZABLE,
+	_replace_rail_vehicle_widgets,
+	ReplaceVehicleWndProc
+};
+
+static const WindowDesc _replace_road_vehicle_desc = {
+	WDP_AUTO, WDP_AUTO, 456, 230,
+	WC_REPLACE_VEHICLE,0,
+	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_STICKY_BUTTON | WDF_RESIZABLE,
+	_replace_road_vehicle_widgets,
+	ReplaceVehicleWndProc
+};
+
+static const WindowDesc _replace_ship_aircraft_vehicle_desc = {
+	WDP_AUTO, WDP_AUTO, 456, 214,
+	WC_REPLACE_VEHICLE,0,
+	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_STICKY_BUTTON | WDF_RESIZABLE,
+	_replace_ship_aircraft_vehicle_widgets,
+	ReplaceVehicleWndProc
+};
+
+
+void ShowReplaceVehicleWindow(byte vehicletype)
+{
+	Window *w;
+
+	DeleteWindowById(WC_REPLACE_VEHICLE, vehicletype);
+
+	switch (vehicletype) {
+		case VEH_Train:
+			w = AllocateWindowDescFront(&_replace_rail_vehicle_desc, vehicletype);
+			w->vscroll.cap  = 8;
+			w->resize.step_height = 14;
+			WP(w, replaceveh_d).wagon_btnstate = true;
+			break;
+		case VEH_Road:
+			w = AllocateWindowDescFront(&_replace_road_vehicle_desc, vehicletype);
+			w->vscroll.cap  = 8;
+			w->resize.step_height = 14;
+			break;
+		case VEH_Ship:
+		case VEH_Aircraft:
+			w = AllocateWindowDescFront(&_replace_ship_aircraft_vehicle_desc, vehicletype);
+			w->vscroll.cap  = 4;
+			w->resize.step_height = 24;
+			break;
+		default: return;
+	}
+
+	w->caption_color = _local_player;
+	WP(w, replaceveh_d).vehicletype = vehicletype;
+	w->vscroll2.cap = w->vscroll.cap;   // these two are always the same
+}