/* $Id$ */ /* * This file is part of OpenTTD. * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2. * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>. */ /** @file object_gui.cpp The GUI for objects. */ #include "stdafx.h" #include "command_func.h" #include "core/geometry_func.hpp" #include "newgrf.h" #include "newgrf_object.h" #include "newgrf_text.h" #include "sprite.h" #include "strings_func.h" #include "viewport_func.h" #include "widgets/dropdown_type.h" #include "window_gui.h" #include "table/strings.h" static ObjectClassID _selected_object_class; ///< the currently visible object class static int _selected_object_index; ///< the index of the selected object in the current class or -1 /** Object widgets in the object picker window. */ enum BuildObjectWidgets { BOW_CLASS_DROPDOWN, ///< The dropdown with classes. BOW_OBJECT_LIST, ///< The list with objects of a given class. BOW_SCROLLBAR, ///< The scrollbar associated with the list. BOW_OBJECT_SPRITE, ///< A preview sprite of the object. BOW_OBJECT_SIZE, ///< The size of an object. BOW_INFO, ///< Other information about the object (from the NewGRF). }; /** The window used for building objects. */ class BuildObjectWindow : public PickerWindowBase { static const int OBJECT_MARGIN = 4; ///< The margin (in pixels) around an object. int line_height; ///< The height of a single line. int object_height; ///< The height of the object box. int info_height; ///< The height of the info box. Scrollbar *vscroll; ///< The scollbar. /** Build a dropdown list of available object classes */ static DropDownList *BuildObjectClassDropDown() { DropDownList *list = new DropDownList(); for (uint i = 0; i < ObjectClass::GetCount(); i++) { list->push_back(new DropDownListStringItem(ObjectClass::GetName((ObjectClassID)i), i, false)); } return list; } public: BuildObjectWindow(const WindowDesc *desc, Window *w) : PickerWindowBase(w), info_height(1) { this->CreateNestedTree(desc); this->vscroll = this->GetScrollbar(BOW_SCROLLBAR); this->vscroll->SetCapacity(5); this->vscroll->SetPosition(0); this->FinishInitNested(desc, 0); this->vscroll->SetCount(ObjectClass::GetCount(_selected_object_class)); this->SelectFirstAvailableObject(true); } virtual ~BuildObjectWindow() { } virtual void SetStringParameters(int widget) const { switch (widget) { case BOW_CLASS_DROPDOWN: SetDParam(0, ObjectClass::GetName(_selected_object_class)); break; case BOW_OBJECT_SIZE: { const ObjectSpec *spec = ObjectClass::Get(_selected_object_class, _selected_object_index); int size = spec == NULL ? 0 : spec->size; SetDParam(0, GB(size, 0, 4)); SetDParam(1, GB(size, 4, 4)); break; } default: break; } } virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) { switch (widget) { case BOW_CLASS_DROPDOWN: { Dimension d = {0, 0}; for (uint i = 0; i < ObjectClass::GetCount(); i++) { SetDParam(0, ObjectClass::GetName((ObjectClassID)i)); d = maxdim(d, GetStringBoundingBox(STR_BLACK_STRING)); } d.width += padding.width; d.height += padding.height; *size = maxdim(*size, d); break; } case BOW_OBJECT_LIST: { for (int i = 0; i < NUM_OBJECTS; i++) { const ObjectSpec *spec = ObjectSpec::Get(i); if (!spec->enabled) continue; size->width = max(size->width, GetStringBoundingBox(spec->name).width); } this->line_height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM; size->height = this->vscroll->GetCapacity() * this->line_height; break; } case BOW_OBJECT_SPRITE: { byte height = 0; for (int i = 0; i < NUM_OBJECTS; i++) { height = max(ObjectSpec::Get(i)->height, height); } this->object_height = height * TILE_HEIGHT; size->height = TILE_PIXELS + this->object_height + 2 * OBJECT_MARGIN; break; } case BOW_INFO: size->height = this->info_height; break; default: break; } } virtual void DrawWidget(const Rect &r, int widget) const { switch (widget) { case BOW_OBJECT_LIST: { int y = r.top; for (uint i = this->vscroll->GetPosition(); this->vscroll->IsVisible(i) && i < ObjectClass::GetCount(_selected_object_class); i++) { const ObjectSpec *spec = ObjectClass::Get(_selected_object_class, i); if (!spec->IsAvailable()) { GfxFillRect(r.left + 1, y + 1, r.right - 1, y + this->line_height - 2, 0, FILLRECT_CHECKER); } DrawString(r.left + WD_MATRIX_LEFT, r.right + WD_MATRIX_RIGHT, y + WD_MATRIX_TOP, spec->name, ((int)i == _selected_object_index) ? TC_WHITE : TC_BLACK); y += this->line_height; } break; } case BOW_OBJECT_SPRITE: { const ObjectSpec *spec = ObjectClass::Get(_selected_object_class, _selected_object_index); if (spec == NULL) break; DrawPixelInfo tmp_dpi; /* Set up a clipping area for the preview. */ if (FillDrawPixelInfo(&tmp_dpi, r.left, r.top, r.right - r.left + 1, r.bottom - r.top + 1)) { DrawPixelInfo *old_dpi = _cur_dpi; _cur_dpi = &tmp_dpi; if (spec->grf_prop.grffile == NULL) { extern const DrawTileSprites _objects[]; const DrawTileSprites *dts = &_objects[spec->grf_prop.local_id]; DrawOrigTileSeqInGUI((r.right - r.left) / 2 - 1, this->object_height + OBJECT_MARGIN, dts, PAL_NONE); } else { DrawNewObjectTileInGUI((r.right - r.left) / 2 - 1, this->object_height + OBJECT_MARGIN, spec); } _cur_dpi = old_dpi; } break; } case BOW_INFO: { const ObjectSpec *spec = ObjectClass::Get(_selected_object_class, _selected_object_index); if (spec == NULL) break; /* Get the extra message for the GUI */ if (HasBit(spec->callback_mask, CBM_OBJ_FUND_MORE_TEXT)) { uint16 callback_res = GetObjectCallback(CBID_OBJECT_FUND_MORE_TEXT, 0, 0, spec, NULL, INVALID_TILE); if (callback_res != CALLBACK_FAILED) { StringID message = GetGRFStringID(spec->grf_prop.grffile->grfid, 0xD000 + callback_res); if (message != STR_NULL && message != STR_UNDEFINED) { PrepareTextRefStackUsage(6); /* Use all the available space left from where we stand up to the * end of the window. We ALSO enlarge the window if needed, so we * can 'go' wild with the bottom of the window. */ int y = DrawStringMultiLine(r.left, r.right, r.top, UINT16_MAX, message) - r.top; StopTextRefStackUsage(); if (y > this->info_height) { BuildObjectWindow *bow = const_cast<BuildObjectWindow *>(this); bow->info_height = y + 2; bow->ReInit(); } } } } } } } void SelectOtherObject(int object_index) { _selected_object_index = object_index; this->UpdateSelectSize(); this->SetDirty(); } void UpdateSelectSize() { if (_selected_object_index == -1) { SetTileSelectSize(1, 1); } else { const ObjectSpec *spec = ObjectClass::Get(_selected_object_class, _selected_object_index); int w = GB(spec->size, 0, 4); int h = GB(spec->size, 4, 4); SetTileSelectSize(w, h); } } virtual void OnClick(Point pt, int widget, int click_count) { switch (widget) { case BOW_CLASS_DROPDOWN: ShowDropDownList(this, BuildObjectClassDropDown(), _selected_object_class, BOW_CLASS_DROPDOWN); break; case BOW_OBJECT_LIST: { int num_clicked = this->vscroll->GetPosition() + (pt.y - this->nested_array[widget]->pos_y) / this->line_height; if (num_clicked >= this->vscroll->GetCount()) break; const ObjectSpec *spec = ObjectClass::Get(_selected_object_class, num_clicked); if (spec->IsAvailable()) this->SelectOtherObject(num_clicked); break; } } } /** * Select the first available object. * @param change_class If true, change the class if no object in the current * class is available. */ void SelectFirstAvailableObject(bool change_class) { /* First try to select an object in the selected class. */ for (uint i = 0; i < ObjectClass::GetCount(_selected_object_class); i++) { const ObjectSpec *spec = ObjectClass::Get(_selected_object_class, i); if (spec->IsAvailable()) { this->SelectOtherObject(0); return; } } if (change_class) { /* If that fails, select the first available object * from a random class. */ for (ObjectClassID j = OBJECT_CLASS_BEGIN; j < OBJECT_CLASS_MAX; j++) { for (uint i = 0; i < ObjectClass::GetCount(j); i++) { const ObjectSpec *spec = ObjectClass::Get(j, i); if (spec->IsAvailable()) { _selected_object_class = j; this->SelectOtherObject(i); return; } } } } /* If all objects are unavailable, select nothing. */ this->SelectOtherObject(-1); } virtual void OnDropdownSelect(int widget, int index) { assert(widget == BOW_CLASS_DROPDOWN); _selected_object_class = (ObjectClassID)index; this->vscroll->SetCount(ObjectClass::GetCount(_selected_object_class)); this->SelectFirstAvailableObject(false); } }; static const NWidgetPart _nested_build_object_widgets[] = { NWidget(NWID_HORIZONTAL), NWidget(WWT_CLOSEBOX, COLOUR_DARK_GREEN), NWidget(WWT_CAPTION, COLOUR_DARK_GREEN), SetDataTip(STR_OBJECT_BUILD_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS), EndContainer(), NWidget(WWT_PANEL, COLOUR_DARK_GREEN), SetFill(1, 0), NWidget(WWT_LABEL, COLOUR_DARK_GREEN), SetPadding(2, 5, 2, 5), SetDataTip(STR_OBJECT_BUILD_CLASS_LABEL, STR_NULL), SetFill(1, 0), NWidget(WWT_DROPDOWN, COLOUR_GREY, BOW_CLASS_DROPDOWN), SetPadding(0, 5, 2, 5), SetFill(1, 0), SetDataTip(STR_BLACK_STRING, STR_OBJECT_BUILD_TOOLTIP), NWidget(NWID_HORIZONTAL), SetPadding(0, 5, 2, 5), NWidget(WWT_MATRIX, COLOUR_GREY, BOW_OBJECT_LIST), SetFill(1, 0), SetDataTip(0x501, STR_OBJECT_BUILD_TOOLTIP), SetScrollbar(BOW_SCROLLBAR), NWidget(NWID_VSCROLLBAR, COLOUR_GREY, BOW_SCROLLBAR), EndContainer(), NWidget(NWID_HORIZONTAL), SetPadding(0, 5, 0, 5), NWidget(WWT_PANEL, COLOUR_GREY, BOW_OBJECT_SPRITE), SetMinimalSize(130, 0), SetFill(1, 0), SetDataTip(0x0, STR_STATION_BUILD_RAILROAD_ORIENTATION_TOOLTIP), EndContainer(), EndContainer(), NWidget(WWT_TEXT, COLOUR_DARK_GREEN, BOW_OBJECT_SIZE), SetDataTip(STR_OBJECT_BUILD_SIZE, STR_NULL), SetPadding(2, 5, 2, 5), NWidget(WWT_EMPTY, COLOUR_DARK_GREEN, BOW_INFO), SetPadding(2, 5, 0, 5), EndContainer(), }; static const WindowDesc _build_object_desc( WDP_AUTO, 0, 0, WC_BUILD_OBJECT, WC_BUILD_TOOLBAR, WDF_CONSTRUCTION, _nested_build_object_widgets, lengthof(_nested_build_object_widgets) ); /** * Show our object picker. * @param w The toolbar window we're associated with. */ void ShowBuildObjectPicker(Window *w) { new BuildObjectWindow(&_build_object_desc, w); } /** Reset all data of the object GUI. */ void InitializeObjectGui() { _selected_object_class = (ObjectClassID)0; } /** * PlaceProc function, called when someone pressed the button if the * object-tool is selected * @param tile on which to place the object */ void PlaceProc_Object(TileIndex tile) { DoCommandP(tile, ObjectClass::Get(_selected_object_class, _selected_object_index)->Index(), 0, CMD_BUILD_OBJECT | CMD_MSG(STR_ERROR_CAN_T_BUILD_OBJECT), CcTerraform); }