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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef _SKY_LIGHT_H_
#define _SKY_LIGHT_H_
#include "System/float4.h"
struct ISkyLight {
public:
ISkyLight();
// no need to update the specular cubemap if this returns false, etc
bool Update() {
if (prvLightDir != curLightDir) {
prvLightDir = curLightDir;
return true;
}
return false;
}
void SetLightDir(const float4& dir) { curLightDir = dir; }
const float4& GetLightDir() const { return curLightDir; }
const float GetLightIntensity() const { return curLightDir.w; }
private:
float4 curLightDir;
float4 prvLightDir;
};
#endif
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