/* 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 SCUMM_SCRIPT_V7_H
#define SCUMM_SCRIPT_V7_H

#ifdef ENABLE_SCUMM_7_8

#include "scumm/scumm_v6.h"
#include "scumm/charset_v7.h"
#include "scumm/insane/insane.h"

namespace Scumm {

class Insane;
class SmushMixer;
class SmushPlayer;
class TextRenderer_v7;

class ScummEngine_v7 : public ScummEngine_v6 {
	friend class SmushPlayer;
	friend class Insane;
public:
	ScummEngine_v7(OSystem *syst, const DetectorResult &dr);
	~ScummEngine_v7() override;


protected:
	int _smushFrameRate = 0;

	/**
	 * Flag which signals that the SMUSH video playback should end now
	 * (e.g. because it was aborted by the user or it's simply finished).
	 */
	bool _smushVideoShouldFinish = false;

	bool _smushActive = false;

	Insane *_insane = nullptr;

public:
	void syncSoundSettings() override;

	SmushMixer *_smixer;
	SmushPlayer *_splayer;


	struct LangIndexNode {
		char tag[12+1];
		int32 offset;
	};

protected:
	TextRenderer_v7 *_textV7;
	Common::Rect _defaultTextClipRect;
	Common::Rect _wrappedTextClipRect;
	bool _newTextRenderStyle = false;
	int _blastTextRectsQueue = 0;

	int _verbLineSpacing = 0;
	bool _existLanguageFile = false;
	char *_languageBuffer = nullptr;
	LangIndexNode *_languageIndex;
	int _languageIndexSize = 0;
	char _lastStringTag[12+1] = {};

	struct SubtitleText : TextObject {
		void clear() {
			TextObject::clear();
			actorSpeechMsg = center = wrap = false;
		}
		bool actorSpeechMsg;
		bool center;
		bool wrap;
	};

	friend void syncWithSerializer(Common::Serializer &, SubtitleText &);

	int _subtitleQueuePos;
	SubtitleText _subtitleQueue[20];

public:
	void processSubtitleQueue();
	void addSubtitleToQueue(const byte *text, const Common::Point &pos, byte color, byte charset, bool center, bool wrap);
	void clearSubtitleQueue();
	void displayDialog() override;
	bool isSmushActive() override { return _smushActive; }
	bool isInsaneActive() override { return _insane ? _insane->isInsaneActive() : false; }
	void removeBlastTexts() override;
	void restoreBlastTextsRects();

protected:

	void scummLoop_handleSound() override;
	void scummLoop_handleDrawing() override;
	void processInput() override;
	void processKeyboard(Common::KeyState lastKeyHit) override;

	void setupScumm(const Common::Path &macResourceFile) override;
	void resetScumm() override;

	void setupScummVars() override;
	void resetScummVars() override;

	void akos_processQueue() override;

	void saveLoadWithSerializer(Common::Serializer &s) override;

	void readMAXS(int blockSize) override;
	void readGlobalObjects() override;
	void readIndexBlock(uint32 blocktype, uint32 itemsize) override;

	void setCameraAt(int pos_x, int pos_y) override;
	void setCameraFollows(Actor *a, bool setCamera = false) override;
	void moveCamera() override;
	void panCameraTo(int x, int y) override;

	int getObjectIdFromOBIM(const byte *obim) override;

	void createTextRenderer(GlyphRenderer_v7 *gr) override;
	void enqueueText(const byte *text, int x, int y, byte color, byte charset, TextStyleFlags flags, bool ttsVoiceText = true, bool ttsIsSubtitle = false);
	void drawTextImmediately(const byte *text, Common::Rect *clipRect, int x, int y, byte color, byte charset, TextStyleFlags flags);
	void drawBlastTexts() override;
	void showMessageDialog(const byte *msg) override;

	void actorTalk(const byte *msg) override;
	void translateText(const byte *text, byte *trans_buff, int transBufferSize) override;
	void loadLanguageBundle() override;
	void playSpeech(const byte *ptr);

	void queryQuit(bool returnToLauncher) override;
	int getBannerColor(int bannerId) override;
	const char *getGUIString(int stringId) override;
	int getGUIStringHeight(const char *str) override;
	int getGUIStringWidth(const char *str) override;
	void drawGUIText(const char *buttonString, Common::Rect *clipRect, int textXPos, int textYPos, int textColor, bool centerFlag) override;
	int getMusicVolume() override;
	int getSpeechVolume() override;
	int getSFXVolume() override;
	void setMusicVolume(int volume) override;
	void setSpeechVolume(int volume) override;
	void setSFXVolume(int volume) override;
	void toggleVoiceMode() override;
	void handleLoadDuringSmush() override;

	void setDefaultCursor() override;
	void updateCursor() override;
	void setCursorTransparency(int a) override;
	void setCursorFromImg(uint img, uint room, uint imgindex) override;

	void drawVerb(int verb, int mode, Common::TextToSpeechManager::Action ttsAction = Common::TextToSpeechManager::INTERRUPT) override;

	void pauseEngineIntern(bool pause) override;

	void o6_kernelSetFunctions() override;

	struct BlastText : TextObject {
		Common::Rect rect;
		TextStyleFlags flags;
#ifdef USE_TTS
		bool voiceText;
		bool isSubtitle;
#endif

		void clear() {
			this->TextObject::clear();
			rect = Common::Rect();
#ifdef USE_TTS
			voiceText = true;
			isSubtitle = false;
#endif
		}
	};

	int _blastTextQueuePos;
	BlastText _blastTextQueue[50];

	byte *_guiStringTransBuff = nullptr;
};


} // End of namespace Scumm

#endif // ENABLE_SCUMM_7_8

#endif