#pragma once

#ifdef __cplusplus
extern "C"
{
#endif

#include "PommeTypes.h"
#include <stdbool.h>

typedef float		TQ3Float32;
typedef uint32_t	TQ3Uns32;
typedef int32_t		TQ3Int32;
typedef int32_t		TQ3ObjectType;

typedef enum
{
	kQ3False                                    = 0,
	kQ3True                                     = 1,
	kQ3BooleanSize32                            = 0xFFFFFFFF
} TQ3Boolean;

typedef enum
{
	kQ3Off                                      = 0,
	kQ3On                                       = 1,
	kQ3SwitchSize32                             = 0xFFFFFFFF
} TQ3Switch;

typedef enum
{
	kQ3Failure                                  = 0,
	kQ3Success                                  = 1,
	kQ3StatusSize32                             = 0xFFFFFFFF
} TQ3Status;

// WARNING: this enum did not exist in QD3D
typedef enum
{
	kQ3TexturingModeInvalid						= -1,
	kQ3TexturingModeOff							= 0,
	kQ3TexturingModeOpaque,
	kQ3TexturingModeAlphaTest,
	kQ3TexturingModeAlphaBlend,
	kQ3TexturingModeSize32						= 0xFFFFFFFF,
} TQ3TexturingMode;

typedef enum
{
	kQ3ShaderUVBoundaryWrap                     = 0,
	kQ3ShaderUVBoundaryClamp                    = 1,
	kQ3ShaderUVBoundarySize32                   = 0xFFFFFFFF
} TQ3ShaderUVBoundary;

enum TQ3AttributeTypes
{
	kQ3AttributeTypeNone                        = 0,            // N/A
	kQ3AttributeTypeSurfaceUV                   = 1,            // TQ3Param2D
	kQ3AttributeTypeShadingUV                   = 2,            // TQ3Param2D
	kQ3AttributeTypeNormal                      = 3,            // TQ3Vector3D
	kQ3AttributeTypeAmbientCoefficient          = 4,            // float
	kQ3AttributeTypeDiffuseColor                = 5,            // TQ3ColorRGB
	kQ3AttributeTypeSpecularColor               = 6,            // TQ3ColorRGB
	kQ3AttributeTypeSpecularControl             = 7,            // float
	kQ3AttributeTypeTransparencyColor           = 8,            // TQ3ColorRGB
	kQ3AttributeTypeSurfaceTangent              = 9,            // TQ3Tangent2D
	kQ3AttributeTypeHighlightState              = 10,           // TQ3Switch
	kQ3AttributeTypeSurfaceShader               = 11,           // TQ3SurfaceShaderObject
	kQ3AttributeTypeEmissiveColor               = 12,           // TQ3ColorRGB
	kQ3AttributeTypeNumTypes                    = 13,           // N/A
	kQ3AttributeTypeSize32                      = 0xFFFFFFFF
};

typedef enum
{
	/// 8 bits for red, green, and blue. High-order byte ignored.
	kQ3PixelTypeRGB32                           = 0,

	/// 8 bits for alpha, red, green, and blue.
	kQ3PixelTypeARGB32                          = 1,

	/// 5 bits for red, green, and blue. High-order bit ignored.
	kQ3PixelTypeRGB16                           = 2,

	/// 1 bit for alpha. 5 bits for red, green, and blue.
	kQ3PixelTypeARGB16                          = 3,

	/// 5 bits for red, 6 bits for green, 5 bits for blue.
	kQ3PixelTypeRGB16_565                       = 4,

	/// 8 bits for red, green, and blue. No alpha byte.
	kQ3PixelTypeRGB24                           = 5,

	/// 8 bits for red, green, and blue, and alpha (Pomme extension, not in real 3DMF files)
	kQ3PixelTypeRGBA32                          = 6,

	kQ3PixelTypeUnknown							= 200,
	kQ3PixelTypeSize32                          = 0xFFFFFFFF
} TQ3PixelType;

typedef enum TQ3InterpolationStyle
{
	kQ3InterpolationStyleNone                   = 0,
	kQ3InterpolationStyleVertex                 = 1,
	kQ3InterpolationStylePixel                  = 2,
	kQ3InterpolationSize32                      = 0xFFFFFFFF
} TQ3InterpolationStyle;

typedef enum TQ3BackfacingStyle
{
	kQ3BackfacingStyleBoth                      = 0,
	kQ3BackfacingStyleRemove                    = 1,
	kQ3BackfacingStyleFlip                      = 2,
	kQ3BackfacingStyleRemoveFront				= 3,
	kQ3BackfacingStyleSize32                    = 0xFFFFFFFF
} TQ3BackfacingStyle;

typedef enum TQ3FillStyle
{
	kQ3FillStyleFilled                          = 0,
	kQ3FillStyleEdges                           = 1,
	kQ3FillStylePoints                          = 2,
	kQ3FillStyleSize32                          = 0xFFFFFFFF
} TQ3FillStyle;

typedef enum TQ3FogMode
{
	kQ3FogModeLinear                            = 0,
	kQ3FogModeExponential                       = 1,
	kQ3FogModeExponentialSquared                = 2,
	kQ3FogModeAlpha                             = 3,
	kQ3FogModePlaneBasedLinear                  = 4,
	kQ3FogModeSize32                            = 0xFFFFFFFF
} TQ3FogMode;

typedef enum
{
	kQ3EndianBig                                = 0,
	kQ3EndianLittle                             = 1,
#if __BIG_ENDIAN__
	kQ3EndianNative								= kQ3EndianBig,
#else
	kQ3EndianNative								= kQ3EndianLittle,
#endif
	kQ3EndianSize32                             = 0xFFFFFFFF
} TQ3Endian;

typedef enum
{
	kQ3TriMeshDataFeatureNone					= 0,
	kQ3TriMeshDataFeatureVertexUVs				= 1 << 0,
	kQ3TriMeshDataFeatureVertexNormals			= 1 << 1,
	kQ3TriMeshDataFeatureVertexColors			= 1 << 2,
} TQ3TriMeshDataFeatureFlags;

typedef struct TQ3Param2D
{
	float					u;
	float					v;
} TQ3Param2D;

typedef struct TQ3Point2D
{
	float					x;
	float					y;
} TQ3Point2D;

typedef struct TQ3Area
{
	TQ3Point2D				min;
	TQ3Point2D				max;
} TQ3Area;

typedef struct TQ3Point3D
{
	float					x;
	float					y;
	float					z;
} TQ3Point3D;

typedef struct TQ3Vector2D
{
	float					x;
	float					y;
} TQ3Vector2D;

typedef struct TQ3Vector3D
{
	float					x;
	float					y;
	float					z;
} TQ3Vector3D;

typedef struct TQ3RationalPoint3D
{
	float					x;
	float					y;
	float					w;
} TQ3RationalPoint3D;

typedef struct TQ3RationalPoint4D
{
	float					x;
	float					y;
	float					z;
	float					w;
} TQ3RationalPoint4D;

typedef struct TQ3ColorARGB
{
	float					a;
	float					r;
	float					g;
	float					b;
} TQ3ColorARGB;

typedef struct TQ3ColorRGBA
{
	float					r;
	float					g;
	float					b;
	float					a;
} TQ3ColorRGBA;

typedef struct TQ3ColorRGB
{
	float					r;
	float					g;
	float					b;
} TQ3ColorRGB;

// WARNING: this structure differs from QD3D
typedef struct TQ3Vertex3D
{
	TQ3Point3D				point;
} TQ3Vertex3D;

typedef struct TQ3BoundingBox
{
	TQ3Point3D				min;
	TQ3Point3D				max;
	TQ3Boolean				isEmpty;
} TQ3BoundingBox;

typedef struct TQ3BoundingSphere
{
	TQ3Point3D				origin;
	float					radius;
	TQ3Boolean				isEmpty;
} TQ3BoundingSphere;


typedef struct TQ3Matrix3x3
{
	float					value[3][3];
} TQ3Matrix3x3;

typedef struct TQ3Matrix4x4
{
	float					value[4][4];
} TQ3Matrix4x4;

typedef struct TQ3PlaneEquation
{
	TQ3Vector3D                                 normal;
	float                                       constant;
} TQ3PlaneEquation;

typedef struct TQ3TriMeshTriangleData
{
	uint32_t									pointIndices[3];
} TQ3TriMeshTriangleData;

// This structure differs from QD3D.
typedef struct TQ3TriMeshData
{
	int											numTriangles;
	TQ3TriMeshTriangleData						*triangles;

	int											numPoints;
	TQ3Point3D									*points;
	TQ3Vector3D									*vertexNormals;
	TQ3Param2D									*vertexUVs;			// automatically allocated by constructor
	TQ3ColorRGBA								*vertexColors;		// may be null if mesh doesn't need per-vertex colors (Nanosaur never does)

	TQ3BoundingBox								bBox;

	TQ3TexturingMode							texturingMode;
	int											internalTextureID;
	uint32_t									glTextureName;

	bool										hasVertexNormals;
	bool										hasVertexColors;

	TQ3ColorRGBA								diffuseColor;
} TQ3TriMeshData;

// This structure does not exist in QD3D.
typedef struct TQ3TriMeshFlatGroup
{
	int											numMeshes;
	TQ3TriMeshData**							meshes;
} TQ3TriMeshFlatGroup;

typedef struct TQ3FogStyleData
{
	TQ3Switch                                   state;
	TQ3FogMode                                  mode;
	float                                       fogStart;
	float                                       fogEnd;
	float                                       density;
	TQ3ColorRGBA                                color;
} TQ3FogStyleData;

typedef struct TQ3CameraPlacement
{
	TQ3Point3D                                  cameraLocation;
	TQ3Point3D                                  pointOfInterest;
	TQ3Vector3D                                 upVector;
} TQ3CameraPlacement;

typedef struct TQ3Pixmap
{
	uint8_t 									*image;
	uint32_t									width;
	uint32_t									height;
	uint32_t									rowBytes;
	uint32_t									pixelSize;
	uint32_t									pixelType;
	uint32_t									bitOrder;
	uint32_t									byteOrder;
} TQ3Pixmap;

// WARNING: this structure does not exist in QD3D.
typedef struct TQ3TextureShader
{
	TQ3Pixmap									*pixmap;
	TQ3ShaderUVBoundary							boundaryU;
	TQ3ShaderUVBoundary							boundaryV;
} TQ3TextureShader;

// WARNING: this structure does not exist in QD3D.
typedef struct TQ3MetaFile
{
	int 										numTextures;
	TQ3TextureShader							*textures;

	int											numMeshes;
	TQ3TriMeshData								**meshes;

	int											numTopLevelGroups;
	TQ3TriMeshFlatGroup							*topLevelGroups;
} TQ3MetaFile;

#pragma mark -

TQ3MetaFile* Q3MetaFile_Load3DMF(const FSSpec* spec);

void Q3MetaFile_Dispose(TQ3MetaFile* the3DMFFile);

#pragma mark -

void Q3Pixmap_ApplyEdgePadding(TQ3Pixmap*);

void Q3Pixmap_Dispose(TQ3Pixmap*);

#pragma mark -

TQ3TriMeshData* Q3TriMeshData_New(int numTriangles, int numPoints, int featureFlags);

TQ3TriMeshData* Q3TriMeshData_Duplicate(const TQ3TriMeshData* source);

void Q3TriMeshData_Dispose(TQ3TriMeshData*);

void Q3TriMeshData_SubdivideTriangles(TQ3TriMeshData* src);

#ifdef __cplusplus
}
#endif