ags_waves.h

/* 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
    void PlaySFX(int SoundToPlay, int repeat);

    void StopSFX(int sfxNum);

    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