struct Input
{
    float3 Position : TEXCOORD0;
    float3 Normal : TEXCOORD1;
    float4 Color : TEXCOORD2;
    float2 UV : TEXCOORD3;
    uint Bones : TEXCOORD4;
    uint weights : TEXCOORD5;

    uint InstanceIndex : SV_InstanceID;
};

struct Output
{
    float2 TexCoord : TEXCOORD0;

    float4 Position : SV_Position;
};

struct Scene
{
    float4x4 Model;
};

StructuredBuffer<Scene> scene: register(t0, space0);

cbuffer Uniforms : register(b0, space1)
{
    float4x4 ViewProjection;
    float time;
};

#define IDENTITY_MATRIX float4x4(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1)

Output main(Input input)
{
    Output output;
    output.TexCoord = input.UV;
    
    output.Position = mul(mul(float4(input.Position, 1.0), transpose(scene[input.InstanceIndex].Model)), transpose(ViewProjection));
    return output;
}