tron@2186: /* $Id$ */
tron@2186: 
belugas@6443: /** @file bridge_gui.cpp Graphical user interface for bridge construction */
celestar@2262: 
truelight@0: #include "stdafx.h"
Darkvater@1891: #include "openttd.h"
truelight@0: #include "gui.h"
rubidium@9723: #include "window_gui.h"
rubidium@9723: #include "command_func.h"
rubidium@9723: #include "economy_func.h"
tron@2159: #include "variables.h"
celestar@2262: #include "bridge.h"
rubidium@9723: #include "strings_func.h"
rubidium@9723: #include "window_func.h"
rubidium@9723: #include "sound_func.h"
rubidium@9723: #include "map_func.h"
rubidium@9723: #include "viewport_func.h"
rubidium@9723: #include "gfx_func.h"
rubidium@9724: #include "tunnelbridge.h"
glx@10645: #include "sortlist_type.h"
glx@10645: #include "widgets/dropdown_func.h"
rubidium@9724: 
rubidium@9724: #include "table/strings.h"
truelight@0: 
glx@10645: /**
glx@10645:  * Carriage for the data we need if we want to build a bridge
glx@10645:  */
glx@10645: struct BuildBridgeData {
glx@10645: 	BridgeType index;
glx@10645: 	const BridgeSpec *spec;
glx@10645: 	Money cost;
glx@10645: };
truelight@0: 
glx@10645: typedef GUIList<BuildBridgeData> GUIBridgeList;
glx@10645: 
glx@10645: /**
glx@10645:  * Callback executed after a build Bridge CMD has been called
glx@10645:  *
glx@10645:  * @param scucess True if the build succeded
glx@10645:  * @param tile The tile where the command has been executed
glx@10645:  * @param p1 not used
glx@10645:  * @param p2 not used
glx@10645:  */
tron@1977: void CcBuildBridge(bool success, TileIndex tile, uint32 p1, uint32 p2)
truelight@0: {
tron@541: 	if (success) SndPlayTileFx(SND_27_BLACKSMITH_ANVIL, tile);
truelight@0: }
truelight@0: 
rubidium@9723: /* Names of the build bridge selection window */
rubidium@9723: enum BuildBridgeSelectionWidgets {
rubidium@9723: 	BBSW_CLOSEBOX = 0,
rubidium@9723: 	BBSW_CAPTION,
glx@10645: 	BBSW_DROPDOWN_ORDER,
glx@10645: 	BBSW_DROPDOWN_CRITERIA,
rubidium@9723: 	BBSW_BRIDGE_LIST,
rubidium@9723: 	BBSW_SCROLLBAR,
rubidium@9723: 	BBSW_RESIZEBOX
rubidium@9723: };
rubidium@9723: 
glx@10645: class BuildBridgeWindow : public Window {
glx@10645: private:
glx@10776: 	/* Runtime saved values */
glx@10645: 	static uint last_size;
glx@10776: 	static Listing last_sorting;
rubidium@9723: 
glx@10776: 	/* Constants for sorting the bridges */
glx@10776: 	static const StringID sorter_names[];
glx@10776: 	static GUIBridgeList::SortFunction *const sorter_funcs[];
glx@10776: 
glx@10776: 	/* Internal variables */
glx@10645: 	TileIndex start_tile;
glx@10645: 	TileIndex end_tile;
glx@10645: 	uint32 type;
glx@10645: 	GUIBridgeList *bridges;
truelight@0: 
glx@10776: 	/** Sort the bridges by their index */
glx@10776: 	static int CDECL BridgeIndexSorter(const BuildBridgeData *a, const BuildBridgeData *b)
glx@10776: 	{
glx@10776: 		return a->index - b->index;
glx@10776: 	}
glx@10776: 
glx@10776: 	/** Sort the bridges by their price */
glx@10776: 	static int CDECL BridgePriceSorter(const BuildBridgeData *a, const BuildBridgeData *b)
glx@10776: 	{
glx@10776: 		return a->cost - b->cost;
glx@10776: 	}
glx@10776: 
glx@10776: 	/** Sort the bridges by their maximum speed */
glx@10776: 	static int CDECL BridgeSpeedSorter(const BuildBridgeData *a, const BuildBridgeData *b)
glx@10776: 	{
glx@10776: 		return a->spec->speed - b->spec->speed;
glx@10776: 	}
glx@10776: 
glx@10645: 	void BuildBridge(uint8 i)
glx@10645: 	{
glx@10776: 		DoCommandP(this->end_tile, this->start_tile, this->type | this->bridges->Get(i)->index,
glx@10645: 				CcBuildBridge, CMD_BUILD_BRIDGE | CMD_MSG(STR_5015_CAN_T_BUILD_BRIDGE_HERE));
glx@10645: 	}
truelight@0: 
glx@10645: 	/** Sort the builable bridges */
glx@10645: 	void SortBridgeList()
glx@10645: 	{
glx@10776: 		this->bridges->Sort();
glx@10645: 
glx@10645: 		/* Display the current sort variant */
glx@10776: 		this->widget[BBSW_DROPDOWN_CRITERIA].data = this->sorter_names[this->bridges->SortType()];
glx@10645: 
glx@10645: 		/* Set the modified widgets dirty */
glx@10645: 		this->InvalidateWidget(BBSW_DROPDOWN_CRITERIA);
glx@10645: 		this->InvalidateWidget(BBSW_BRIDGE_LIST);
glx@10645: 	}
glx@10645: 
glx@10645: public:
glx@10645: 	BuildBridgeWindow(const WindowDesc *desc, TileIndex start, TileIndex end, uint32 br_type, GUIBridgeList *bl) : Window(desc),
glx@10645: 		start_tile(start),
glx@10645: 		end_tile(end),
glx@10645: 		type(br_type),
glx@10645: 		bridges(bl)
glx@10645: 	{
glx@10776: 		this->bridges->SetListing(this->last_sorting);
glx@10776: 		this->bridges->SetSortFuncs(this->sorter_funcs);
glx@10920: 		this->bridges->NeedResort();
glx@10645: 		this->SortBridgeList();
glx@10645: 
glx@10645: 		/* Change the data, or the caption of the gui. Set it to road or rail, accordingly */
glx@10645: 		this->widget[BBSW_CAPTION].data = (GB(this->type, 15, 2) == TRANSPORT_ROAD) ? STR_1803_SELECT_ROAD_BRIDGE : STR_100D_SELECT_RAIL_BRIDGE;
glx@10645: 
glx@10645: 		this->resize.step_height = 22;
glx@10776: 		this->vscroll.count = bl->Length();
glx@10645: 
glx@10645: 		if (this->last_size <= 4) {
glx@10645: 			this->vscroll.cap = 4;
glx@10645: 		} else {
glx@10645: 			/* Resize the bridge selection window if we used a bigger one the last time */
glx@10645: 			this->vscroll.cap = (this->vscroll.count > this->last_size) ? this->last_size : this->vscroll.count;
glx@10645: 			ResizeWindow(this, 0, (this->vscroll.cap - 4) * this->resize.step_height);
glx@10645: 			this->widget[BBSW_BRIDGE_LIST].data = (this->vscroll.cap << 8) + 1;
rubidium@9723: 		}
peter1138@6530: 
glx@10645: 		this->FindWindowPlacementAndResize(desc);
glx@10645: 	}
peter1138@6530: 
glx@10645: 	~BuildBridgeWindow()
glx@10645: 	{
glx@10776: 		this->last_sorting = this->bridges->GetListing();
glx@10776: 
glx@10645: 		delete bridges;
glx@10645: 	}
truelight@193: 
glx@10645: 	virtual void OnPaint()
glx@10645: 	{
glx@10645: 		this->DrawWidgets();
glx@10645: 
glx@10645: 		this->DrawSortButtonState(BBSW_DROPDOWN_ORDER, (this->bridges->flags & VL_DESC) ? SBS_DOWN : SBS_UP);
glx@10645: 
glx@10645: 		uint y = this->widget[BBSW_BRIDGE_LIST].top + 2;
glx@10645: 
glx@10776: 		for (int i = this->vscroll.pos; (i < (this->vscroll.cap + this->vscroll.pos)) && (i < (int)this->bridges->Length()); i++) {
glx@10776: 			const BridgeSpec *b = this->bridges->Get(i)->spec;
glx@10645: 
glx@10776: 			SetDParam(2, this->bridges->Get(i)->cost);
glx@10645: 			SetDParam(1, b->speed * 10 / 16);
glx@10645: 			SetDParam(0, b->material);
glx@10645: 
glx@10645: 			DrawSprite(b->sprite, b->pal, 3, y);
glx@10645: 			DrawString(44, y, STR_500D, TC_FROMSTRING);
glx@10645: 			y += this->resize.step_height;
glx@10645: 
glx@10645: 		}
glx@10645: 	}
glx@10645: 
glx@10645: 	virtual EventState OnKeyPress(uint16 key, uint16 keycode)
glx@10645: 	{
glx@10645: 		const uint8 i = keycode - '1';
glx@10776: 		if (i < 9 && i < this->bridges->Length()) {
glx@10645: 			/* Build the requested bridge */
glx@10645: 			this->BuildBridge(i);
glx@10645: 			delete this;
glx@10645: 			return ES_HANDLED;
glx@10645: 		}
glx@10645: 		return ES_NOT_HANDLED;
glx@10645: 	}
glx@10645: 
glx@10645: 	virtual void OnClick(Point pt, int widget)
glx@10645: 	{
glx@10645: 		switch (widget) {
glx@10645: 			default: break;
glx@10645: 			case BBSW_BRIDGE_LIST: {
glx@10645: 				uint i = ((int)pt.y - this->widget[BBSW_BRIDGE_LIST].top) / this->resize.step_height;
glx@10645: 				if (i < this->vscroll.cap) {
glx@10645: 					i += this->vscroll.pos;
glx@10776: 					if (i < this->bridges->Length()) {
glx@10645: 						this->BuildBridge(i);
glx@10645: 						delete this;
rubidium@9723: 					}
rubidium@9723: 				}
glx@10645: 			} break;
rubidium@9723: 
glx@10645: 			case BBSW_DROPDOWN_ORDER:
glx@10776: 				this->bridges->ToggleSortOrder();
glx@10776: 				this->SetDirty();
glx@10645: 				break;
glx@10645: 
glx@10645: 			case BBSW_DROPDOWN_CRITERIA:
glx@10776: 				ShowDropDownMenu(this, this->sorter_names, this->bridges->SortType(), BBSW_DROPDOWN_CRITERIA, 0, 0);
glx@10645: 				break;
glx@10645: 		}
truelight@0: 	}
glx@10645: 
glx@10645: 	virtual void OnDropdownSelect(int widget, int index)
glx@10645: 	{
glx@10776: 		if (widget == BBSW_DROPDOWN_CRITERIA && this->bridges->SortType() != index) {
glx@10776: 			this->bridges->SetSortType(index);
glx@10645: 
glx@10645: 			this->SortBridgeList();
glx@10645: 		}
glx@10645: 	}
glx@10645: 
glx@10645: 	virtual void OnResize(Point new_size, Point delta)
glx@10645: 	{
glx@10645: 		this->vscroll.cap += delta.y / (int)this->resize.step_height;
glx@10645: 		this->widget[BBSW_BRIDGE_LIST].data = (this->vscroll.cap << 8) + 1;
glx@10776: 		SetVScrollCount(this, this->bridges->Length());
glx@10645: 
glx@10645: 		this->last_size = this->vscroll.cap;
glx@10645: 	}
glx@10645: };
glx@10645: 
glx@10645: /* Set the default size of the Build Bridge Window */
glx@10645: uint BuildBridgeWindow::last_size = 4;
glx@10776: /* Set the default sorting for the bridges */
glx@10776: Listing BuildBridgeWindow::last_sorting = {false, 0};
glx@10776: 
glx@10776: /* Availible bridge sorting functions */
glx@10776: GUIBridgeList::SortFunction* const BuildBridgeWindow::sorter_funcs[] = {
glx@10776: 	&BridgeIndexSorter,
glx@10776: 	&BridgePriceSorter,
glx@10776: 	&BridgeSpeedSorter
glx@10776: };
glx@10776: 
glx@10776: /* Names of the sorting functions */
glx@10776: const StringID BuildBridgeWindow::sorter_names[] = {
glx@10776: 	STR_SORT_BY_NUMBER,
glx@10776: 	STR_ENGINE_SORT_COST,
glx@10776: 	STR_SORT_BY_MAX_SPEED,
glx@10776: 	INVALID_STRING_ID
glx@10776: };
truelight@0: 
rubidium@9723: /* Widget definition for the rail bridge selection window */
truelight@0: static const Widget _build_bridge_widgets[] = {
rubidium@9723: {   WWT_CLOSEBOX,   RESIZE_NONE,  7,   0,  10,   0,  13, STR_00C5,                    STR_018B_CLOSE_WINDOW},            // BBSW_CLOSEBOX
rubidium@9723: {    WWT_CAPTION,   RESIZE_NONE,  7,  11, 199,   0,  13, STR_100D_SELECT_RAIL_BRIDGE, STR_018C_WINDOW_TITLE_DRAG_THIS},  // BBSW_CAPTION
glx@10645: 
glx@10645: {    WWT_TEXTBTN,   RESIZE_NONE,  7,   0,  80,  14,  25, STR_SORT_BY,                 STR_SORT_ORDER_TIP},               // BBSW_DROPDOWN_ORDER
glx@10645: {   WWT_DROPDOWN,   RESIZE_NONE,  7,  81, 199,  14,  25, 0x0,                         STR_SORT_CRITERIA_TIP},            // BBSW_DROPDOWN_CRITERIA
glx@10645: 
glx@10645: {     WWT_MATRIX, RESIZE_BOTTOM,  7,   0, 187,  26, 113, 0x401,                       STR_101F_BRIDGE_SELECTION_CLICK},  // BBSW_BRIDGE_LIST
glx@10645: {  WWT_SCROLLBAR, RESIZE_BOTTOM,  7, 188, 199,  26, 101, 0x0,                         STR_0190_SCROLL_BAR_SCROLLS_LIST}, // BBSW_SCROLLBAR
glx@10645: {  WWT_RESIZEBOX,     RESIZE_TB,  7, 188, 199, 102, 113, 0x0,                         STR_RESIZE_BUTTON},                // BBSW_RESIZEBOX
darkvater@176: {   WIDGETS_END},
truelight@0: };
truelight@0: 
rubidium@9723: /* Window definition for the rail bridge selection window */
truelight@0: static const WindowDesc _build_bridge_desc = {
glx@10645: 	WDP_AUTO, WDP_AUTO, 200, 114, 200, 114,
Darkvater@5070: 	WC_BUILD_BRIDGE, WC_BUILD_TOOLBAR,
rubidium@9723: 	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_RESIZABLE,
truelight@0: 	_build_bridge_widgets,
truelight@0: };
truelight@0: 
glx@10645: /**
glx@10645:  * Prepare the data for the build a bridge window.
glx@10645:  *  If we can't build a bridge under the given conditions
glx@10645:  *  show an error message.
glx@10645:  *
glx@10645:  * @parma start The start tile of the bridge
glx@10645:  * @param end The end tile of the bridge
glx@10645:  * @param transport_type The transport type
glx@10645:  * @param bridge_type The bridge type
glx@10645:  */
glx@9732: void ShowBuildBridgeWindow(TileIndex start, TileIndex end, TransportType transport_type, byte bridge_type)
truelight@0: {
truelight@0: 	DeleteWindowById(WC_BUILD_BRIDGE, 0);
truelight@0: 
glx@10645: 	/* Data type for the bridge.
glx@10645: 	 * Bit 16,15 = transport type,
glx@10645: 	 *     14..8 = road/rail pieces,
glx@10645: 	 *      7..0 = type of bridge */
glx@10645: 	uint32 type = (transport_type << 15) | (bridge_type << 8);
truelight@0: 
rubidium@9723: 	/* only query bridge building possibility once, result is the same for all bridges!
rubidium@9723: 	 * returns CMD_ERROR on failure, and price on success */
rubidium@9723: 	StringID errmsg = INVALID_STRING_ID;
glx@10645: 	CommandCost ret = DoCommand(end, start, type, DC_AUTO | DC_QUERY_COST, CMD_BUILD_BRIDGE);
truelight@0: 
glx@10645: 	GUIBridgeList *bl = NULL;
peter1138@2737: 	if (CmdFailed(ret)) {
truelight@0: 		errmsg = _error_message;
tron@2548: 	} else {
rubidium@9723: 		/* check which bridges can be built
rubidium@9723: 		 * get absolute bridge length
rubidium@9723: 		 * length of the middle parts of the bridge */
rubidium@9724: 		const uint bridge_len = GetTunnelBridgeLength(start, end);
rubidium@9723: 		/* total length of bridge */
rubidium@9723: 		const uint tot_bridgedata_len = CalcBridgeLenCostFactor(bridge_len + 2);
truelight@0: 
glx@10776: 		bl = new GUIBridgeList();
glx@10776: 
rubidium@9723: 		/* loop for all bridgetypes */
glx@9732: 		for (BridgeType brd_type = 0; brd_type != MAX_BRIDGES; brd_type++) {
glx@9732: 			if (CheckBridge_Stuff(brd_type, bridge_len)) {
rubidium@9723: 				/* bridge is accepted, add to list */
glx@10776: 				BuildBridgeData *item = bl->Append();
glx@10776: 				item->index = brd_type;
glx@10776: 				item->spec = GetBridgeSpec(brd_type);
rubidium@9723: 				/* Add to terraforming & bulldozing costs the cost of the
rubidium@9723: 				 * bridge itself (not computed with DC_QUERY_COST) */
glx@10776: 				item->cost = ret.GetCost() + (((int64)tot_bridgedata_len * _price.build_bridge * item->spec->price) >> 8);
truelight@0: 			}
truelight@0: 		}
truelight@0: 	}
truelight@0: 
glx@10776: 	if (bl != NULL && bl->Length() != 0) {
glx@10645: 		new BuildBridgeWindow(&_build_bridge_desc, start, end, type, bl);
truelight@0: 	} else {
glx@10776: 		if (bl != NULL) delete bl;
celestar@3422: 		ShowErrorMessage(errmsg, STR_5015_CAN_T_BUILD_BRIDGE_HERE, TileX(end) * TILE_SIZE, TileY(end) * TILE_SIZE);
truelight@0: 	}
truelight@0: }