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engines/nancy/state/loadsave.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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, either version 3 of the License, or
+ * (at your option) any later version.
+
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef NANCY_STATE_LOADSAVE_H
+#define NANCY_STATE_LOADSAVE_H
+
+#include "common/singleton.h"
+#include "common/ptr.h"
+
+#include "engines/nancy/state/state.h"
+#include "engines/nancy/ui/fullscreenimage.h"
+#include "engines/nancy/ui/button.h"
+#include "engines/nancy/font.h"
+
+namespace Nancy {
+
+struct LOAD;
+
+namespace State {
+
+class LoadSaveMenu : public State, public Common::Singleton<LoadSaveMenu> {
+public:
+	virtual ~LoadSaveMenu();
+
+protected:
+	enum State { kInit, kRun, kEnterFilename, kSave, kLoad, kSuccess, kStop };
+
+	LoadSaveMenu() :
+		_blinkingCursorOverlay(6),
+		_successOverlay(8) {};
+
+	virtual void init() = 0;
+	virtual void run() = 0;
+	virtual void enterFilename();
+	virtual bool save();
+	virtual void load();
+	virtual void success();
+	virtual void stop();
+
+	virtual int scummVMSaveSlotToLoad() const = 0;
+
+	virtual void registerGraphics();
+
+	virtual uint16 writeToTextbox(int textboxID, const Common::String &text, const Font *font);
+
+	void scummVMSave();
+	void scummVMLoad();
+
+	// State API
+	void process() override;
+	void onStateEnter(const NancyState::NancyState prevState) override;
+	bool onStateExit(const NancyState::NancyState nextState) override;
+
+	const Font *_baseFont = nullptr;
+	const Font *_highlightFont = nullptr;
+	const Font *_disabledFont = nullptr;
+
+	State _state = kInit;
+	bool _enteringNewState = true;
+	bool _destroyOnExit = true;
+	const LOAD *_loadSaveData = nullptr;
+
+	int16 _selectedSave = -1;
+	RenderObject *_textboxReceivingInput = nullptr;
+
+	// UI elements common to both menus
+	Common::Array<Common::ScopedPtr<RenderObject>> _textboxes;
+	Common::ScopedPtr<UI::Button> _exitButton;
+
+	RenderObject _blinkingCursorOverlay;
+	RenderObject _successOverlay;
+
+	uint32 _nextBlink = 0;
+	Common::String _enteredString;
+};
+
+class LoadSaveMenu_V1 : public LoadSaveMenu {
+private:
+	void init() override;
+	void run() override;
+	void enterFilename() override;
+	bool save() override;
+
+	virtual int scummVMSaveSlotToLoad() const override;
+
+	void registerGraphics() override;
+
+	UI::FullScreenImage _background;
+
+	Common::Array<Common::String> _filenameStrings;
+	Common::Array<bool> _saveExists;
+	Common::Array<Common::ScopedPtr<UI::Button>> _loadButtons;
+	Common::Array<Common::ScopedPtr<UI::Button>> _saveButtons;
+	Common::Array<Common::ScopedPtr<RenderObject>> _cancelButtonOverlays;
+	Common::ScopedPtr<UI::Button> _cancelButton;
+};
+
+class LoadSaveMenu_V2 : public LoadSaveMenu {
+private:
+	void init() override;
+	void run() override;
+	void enterFilename() override;
+	bool save() override;
+	void success() override;
+
+	virtual int scummVMSaveSlotToLoad() const override;
+
+	void registerGraphics() override;
+
+	uint16 writeToTextbox(int textboxID, const Common::String &text, const Font *font) override;
+	uint16 writeToInputTextbox(const Font *font);
+
+	void filterAndSortSaveStates();
+	void extractSaveNames(uint pageID);
+	void goToPage(uint pageID);
+	void reloadSaves();
+	void setConfig();
+
+	UI::FullScreenImage _background1;
+	UI::FullScreenImage _background2;
+	Graphics::ManagedSurface _buttonsImage;
+
+	Common::Array<Common::String> _filenameStrings;
+	Common::Array<bool> _saveExists;
+
+	Common::ScopedPtr<RenderObject> _inputTextbox;
+	Common::ScopedPtr<UI::Button> _loadButton;
+	Common::ScopedPtr<UI::Button> _saveButton;
+	Common::ScopedPtr<UI::Button> _pageUpButton;
+	Common::ScopedPtr<UI::Button> _pageDownButton;
+
+	int16 _hoveredSave = -1;
+	uint _currentPage = 0;
+
+	SaveStateList _sortedSavesList;
+};
+
+} // End of namespace State
+} // End of namespace Nancy
+
+namespace Common {
+
+template<>
+Nancy::State::LoadSaveMenu *Singleton<Nancy::State::LoadSaveMenu>::makeInstance();
+
+} // End of namespace Common
+
+#endif // NANCY_STATE_LOADSAVE_H