lightview.h

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/*
 * Copyright (c) 2010-2020 OTClient <https://github.com/edubart/otclient>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 */
 
#ifndef LIGHTVIEW_H
#define LIGHTVIEW_H
 
#include "declarations.h"
#include <framework/graphics/declarations.h>
#include <framework/graphics/painter.h>
#include "thingtype.h"
 
struct LightSource {
    Color color;
    Point center;
    int radius;
};
 
class LightView : public LuaObject
{
public:
    LightView();
 
    void reset();
    void setGlobalLight(const Light& light);
    void addLightSource(const Point& center, float scaleFactor, const Light& light);
    void resize(const Size& size);
    void draw(const Rect& dest, const Rect& src);
 
    void setBlendEquation(Painter::BlendEquation blendEquation) { m_blendEquation = blendEquation; }
 
private:
    void drawGlobalLight(const Light& light);
    void drawLightSource(const Point& center, const Color& color, int radius);
    TexturePtr generateLightBubble(float centerFactor);
 
    Painter::BlendEquation m_blendEquation;
    TexturePtr m_lightTexture;
    FrameBufferPtr m_lightbuffer;
    Light m_globalLight;
    std::vector<LightSource> m_lightMap;
};
 
#endif