/* 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
 * 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 AGS_PLUGINS_AGS_WAVES_AGS_WAVES_H
#define AGS_PLUGINS_AGS_WAVES_AGS_WAVES_H

#include "audio/mixer.h"
#include "common/fs.h"
#include "ags/plugins/ags_plugin.h"
#include "ags/plugins/ags_waves/vars.h"

namespace AGS3 {
namespace Plugins {
namespace AGSWaves {

class AGSWaves : public PluginBase, public Vars {
	SCRIPT_HASH(AGSWaves)
private:
	Audio::Mixer *_mixer;
private:
	void DrawScreenEffect(ScriptMethodParams &params);
	void SFX_Play(ScriptMethodParams &params);
	void SFX_SetVolume(ScriptMethodParams &params);
	void SFX_GetVolume(ScriptMethodParams &params);
	void Music_Play(ScriptMethodParams &params);
	void Music_GetVolume(ScriptMethodParams &params);
	void Music_SetVolume(ScriptMethodParams &params);
	void SFX_Stop(ScriptMethodParams &params);
	void SFX_SetPosition(ScriptMethodParams &params);
	void SFX_SetGlobalVolume(ScriptMethodParams &params);
	void Load_SFX(ScriptMethodParams &params);
	void Audio_Apply_Filter(ScriptMethodParams &params);
	void Audio_Remove_Filter(ScriptMethodParams &params);
	void SFX_AllowOverlap(ScriptMethodParams &params);
	void SFX_Filter(ScriptMethodParams &params);
	void DrawBlur(ScriptMethodParams &params);
	void DrawTunnel(ScriptMethodParams &params);
	void DrawCylinder(ScriptMethodParams &params);
	void DrawForceField(ScriptMethodParams &params);
	void Grayscale(ScriptMethodParams &params);
	void ReadWalkBehindIntoSprite(ScriptMethodParams &params);
	void AdjustSpriteFont(ScriptMethodParams &params);
	void SpriteGradient(ScriptMethodParams &params);
	void Outline(ScriptMethodParams &params);
	void OutlineOnly(ScriptMethodParams &params);
	void SaveVariable(ScriptMethodParams &params);
	void ReadVariable(ScriptMethodParams &params);
	void GameDoOnceOnly(ScriptMethodParams &params);
	void SetGDState(ScriptMethodParams &params);
	void GetGDState(ScriptMethodParams &params);
	void ResetAllGD(ScriptMethodParams &params);
	void SpriteSkew(ScriptMethodParams &params);
	void FireUpdate(ScriptMethodParams &params);
	void WindUpdate(ScriptMethodParams &params);
	void SetWindValues(ScriptMethodParams &params);
	void ReturnWidth(ScriptMethodParams &params);
	void ReturnHeight(ScriptMethodParams &params);
	void ReturnNewHeight(ScriptMethodParams &params);
	void ReturnNewWidth(ScriptMethodParams &params);
	void Warper(ScriptMethodParams &params);
	void SetWarper(ScriptMethodParams &params);
	void RainUpdate(ScriptMethodParams &params);
	void BlendTwoSprites(ScriptMethodParams &params);
	void Blend(ScriptMethodParams &params);
	void Dissolve(ScriptMethodParams &params);
	void ReverseTransparency(ScriptMethodParams &params);
	void NoiseCreator(ScriptMethodParams &params);
	void TintProper(ScriptMethodParams &params);
	void GetWalkbehindBaserine(ScriptMethodParams &params);
	void SetWalkbehindBaserine(ScriptMethodParams &params);

private:
	void StartingValues();
	void Update();

	void CastWave(int delayMax, int PixelsWide, int n);
	void DrawEffect(int sprite_a, int sprite_b, int id, int n);
	int Random(int threshold);

	inline static int getRcolor(int color) {
		return ((color >> 16) & 0xFF);
	}
	inline static int getGcolor(int color) {
		return ((color >> 8) & 0xFF);
	}
	inline static int getBcolor(int color) {
		return ((color >> 0) & 0xFF);
	}
	inline static int getAcolor(int color) {
		return ((color >> 24) & 0xFF);
	}
	static int BlendColor(int Ln, int Bn, int perc) {
		return ((Ln < 128) ? (2 * Bn * Ln / perc) : (perc - 2 * (perc - Bn) * (perc - Ln) / perc));
	}
	static int BlendColorScreen(int Ln, int Bn, int perc) {
		return (Bn == perc) ? Bn :
			MIN(perc, (Ln * Ln / (perc - Bn)));
	}
	static int SetColorRGBA(int r, int g, int b, int a);
	static int ConvertColorToGrayScale(int color);
	static bool IsPixelTransparent(int color);
	float noiseField(float tx, float ty, float tz);

	int IntersectLines(float x1, float y1, float x2, float y2, float x3, float y3, float x4, float y4);

	static inline float fracts(float value) {
		return value - floor(value);
	}
	static inline float lerp(float x, float y, float fn) {
		return x * (1.0 - fn) + y * fn;
	}
	static inline float hasher(float n) {
		return fracts(sin(n) * 153.5453123);
	}
	static float min4(float m1, float m2, float m3, float m4) {
		return MIN(MIN(m1, m2), MIN(m3, m4));
	}
	static float max4(float m1, float m2, float m3, float m4) {
		return MAX(MAX(m1, m2), MAX(m3, m4));
	}

	// Weather
	void DrawLineCustom(int x1, int y1, int x2, int y2, int graphic, int setR, int setG, int setB, int setA, int TranDif);
	void CreateParticle(int xx, int yy, int ForceX, int ForceY);
	void CreateParticle2(int xx, int yy, int ForceX, int ForceY);
	void CreateParticleF(int xx, int yy, int ForceX, int ForceY);
	void CreateDustParticle(int xx, int yy);
	void CreateRainParticleMid(int x, int y, int fx, int fy, int maxpart);
	void CreateRainParticleFore(int x, int y, int fx, int fy, int maxpart);
	void CreateRainParticleBack(int x, int y, int fx, int fy, int maxpart);

	// Sound
	/**
	 * Plays a sound from the sounds.sfx in the Sounds/ folder
	 * @param soundToPlay	The sound to play
	 * @param repeat		Times to repeat, -1 for indefine
	 */
	void PlaySFX(int SoundToPlay, int repeat);

	/**
	 * Stops a playing sound effect
	 */
	void StopSFX(int sfxNum);

	/**
	 * Loads a ScummVM OGG stream for playback
	 */
	Audio::AudioStream *loadOGG(const Common::ArchiveMemberPtr &member);

	void playStream(Audio::Mixer::SoundType type, Audio::SoundHandle *handle, Audio::AudioStream *stream, int repeat);

	void stopAllSounds();
	void GlitchFix();
	void ApplyFilter(int SetFrequency);
	void SetFilterFrequency(int setFrequency);
	void MusicPlay(int MusicToPlay, int repeat, int fadeinMS, int fadeoutMS, int pos, bool forceplay, bool fixclick);

public:
	AGSWaves();
	virtual ~AGSWaves();

	const char *AGS_GetPluginName() override;
	void AGS_EngineStartup(IAGSEngine *engine) override;
	int64 AGS_EngineOnEvent(int event, NumberPtr data) override;
};

} // namespace AGSWaves
} // namespace Plugins
} // namespace AGS3

#endif