#version 420

layout(location=0) in vec4 in_Position;
layout(location=1) in vec2 in_Tex;
layout(location=2) in vec4 in_Normal;

out vec4 ex_Pos;
out vec2 ex_Tex;
out vec3 ex_Normal;

layout (binding = 0) uniform ScreenVariables {
    mat4 CameraView;
    mat4 Projection;
    vec4 CameraEye;
    
    vec4 FogColor;
    float FogNear;
    float FogFar;
};

layout (binding = 1) uniform ObjectVariables {
    mat4 Transform;
    vec2 TexOffset;
    vec2 TexScale;
    vec4 Scale;

    vec4 BaseColor;
    vec4 Emission;
    float SpecularMix;
    float DiffuseMix;
    float Metallic;
    float DiffuseRoughness;
    float SpecularPower;
    float IncidentSpecular;
    
    int ColorReplace;
    int Lit;
};

void main(void) {
    vec4 inputPos = vec4(in_Position.xyz, 1.0);

    inputPos.xyz *= Scale.xyz;

    inputPos = inputPos * Transform;
    ex_Pos = inputPos;

    inputPos = inputPos * CameraView;
    inputPos = inputPos * Projection;

    vec4 finalNormal = vec4(in_Normal.xyz, 0.0);
    ex_Normal = vec3(finalNormal * Transform);

    gl_Position = vec4(inputPos.xyzw);

    ex_Tex = in_Tex;
}