#version 330 core

// Input
in vec2 TexCoord;

// Output
out vec4 PixelColor;

// Uniforms
uniform sampler2D Texture;
uniform sampler2D LightMask;
uniform vec4 LightColor;
uniform vec4 TintColor;

// Main
void main()
{
	vec4 TextureColor = texture(Texture, TexCoord);
	if (TextureColor.a < 0.25) discard;
	
	vec4 MaskColor = texture(LightMask, TexCoord);
	float MaskValue = (MaskColor.r + MaskColor.g + MaskColor.b) / 3;
	vec4 MaskedColor = mix(vec4(1,1,1,1), LightColor, MaskValue);
	
	PixelColor = TextureColor * MaskedColor * TintColor;
	PixelColor.a = 0;
}