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