#version 330 core

layout (location = 0) in vec3 inPos;
layout (location = 1) in vec3 inNormal;
layout (location = 2) in vec3 inTangent;
layout (location = 3) in vec3 inBitangent;
layout (location = 4) in vec2 inTextCoords;

out vec4 outPos;
out vec3 outNormal;
out vec3 outTangent;
out vec3 outBitangent;
out vec2 outTextCoords;

uniform mat4 projectionMatrix;
uniform mat4 modelMatrix;
uniform mat4 viewMatrix;


void main()
{
//    vec4 worldPos = modelMatrix * vec4(inPos,1);
//    gl_Position = projectionMatrix * viewMatrix * modelMatrix * vec4(inPos, 1.0);
//    mat3 mNormal = transpose(inverse(mat3(modelMatrix)));
//    outPos = worldPos;
//    outNormal = mNormal * normalize(inNormal);
//    outTextCoords = inTextCoords;

    mat4 modelViewMatrix = viewMatrix * modelMatrix;
    vec4 mvPosition =  modelViewMatrix * vec4(inPos, 1.0);
    gl_Position = projectionMatrix * mvPosition;
    outPos = mvPosition;
    outNormal = normalize(modelViewMatrix * vec4(inNormal, 0.0)).xyz;
    outTangent = inNormal * normalize(inTangent);
    outBitangent = inNormal * normalize(inBitangent);
    outTextCoords = inTextCoords;
}