Structures.h

#pragma once

#include <d3d11_1.h>
#include <directxmath.h>

using namespace DirectX;

//these structures were brought over from OBJLoader
struct MeshData
{
	ID3D11Buffer* VertexBuffer;
	ID3D11Buffer* IndexBuffer;
	UINT VBStride;
	UINT VBOffset;
	UINT IndexCount;

	MeshData() {};

	MeshData(ID3D11Buffer* newVertexBuffer, ID3D11Buffer* newIndexBuffer, UINT newVBStride, UINT newVBOffset, UINT newIndexCount) {
		VertexBuffer = newVertexBuffer;
		IndexBuffer = newIndexBuffer;
		VBStride = newVBStride;
		VBOffset = newVBOffset;
		IndexCount = newIndexCount;
	}
};

struct SimpleVertex
{
	XMFLOAT3 Pos;
	XMFLOAT3 Normal;
	XMFLOAT2 TexC;

	bool operator<(const SimpleVertex other) const
	{
		return memcmp((void*)this, (void*)&other, sizeof(SimpleVertex)) > 0;
	};
};

struct FogSettings
{
	XMFLOAT4 fogColor;
	FLOAT fogStart;
	FLOAT fogRange;
};

//this structure was written to encapsulate the constant buffer
struct ConstantBuffer
{
	XMMATRIX mWorld;
	XMMATRIX mView;
	XMMATRIX mProjection;

	XMFLOAT4 AmbLight;
	XMFLOAT4 AmbMat;

	XMFLOAT4 SpecMat;
	XMFLOAT4 SpecLight;
	XMFLOAT3 EyeLoc;
	FLOAT SpecPower;

	XMFLOAT4 DiffLight;
	XMFLOAT4 DiffMat;
	XMFLOAT3 DirToLight;

	FLOAT FogStart;
	XMFLOAT4 FogColor;
	FLOAT FogRange;
};

//structure to provide light colours and strength with, a shared feature across all light types.
struct LightData
{
	XMFLOAT4 diffuseMat;
	XMFLOAT4 diffuseStr;

	XMFLOAT4 ambientMat;
	XMFLOAT4 ambientStr;

	XMFLOAT4 specularMat;
	XMFLOAT4 specularStr;
	FLOAT specularPow;

	XMFLOAT3 dir;
};

//structure to contain a transform in its simple euler form rather than the world matrix result
struct Transform
{
	XMFLOAT3 position;
	XMFLOAT3 rotation;
	XMFLOAT3 scale = XMFLOAT3(1.0f, 1.0f, 1.0f); //default of 1 scale
};