// MinecraftPT — Weather Fragment Shader (rain/snow)

#include "/Lib/Settings.glsl"
#include "/Lib/Utilities.glsl"

in vec2 texcoord;
in vec3 worldPos;
in vec3 worldNormal;
in vec3 vertexNormal;
in vec4 color;
in vec2 lightmap;
flat in int blockId;

layout(location = 0) out vec4 colortex0Out;
layout(location = 1) out vec4 colortex1Out;
layout(location = 2) out vec4 colortex2Out;
layout(location = 3) out vec4 colortex3Out;
layout(location = 4) out vec4 colortex4Out;
layout(location = 5) out vec4 colortex5Out;

void main(){
	vec4 albedo = texture(tex, texcoord) * color;

	if (albedo.a < 0.004) discard;

	// Weather drops are thin — mark as particle-ish translucent
	colortex0Out = vec4(albedo.rgb, 0.0);
	colortex1Out = vec4(EncodeNormal(worldNormal), EncodeNormal(vertexNormal));
	colortex2Out = vec4(0.0, 0.0, 0.0, 17.0 / 255.0); // MATID_PARTICLE
	colortex3Out = vec4(1.0, 1.0, 1.0, 1.0);

	colortex4Out = vec4(0.0);
	colortex5Out = vec4(0.0);
}