//////////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) 1998 - 2001 Microsoft Corporation.  All Rights Reserved.
//
//  File:       d3dx8mesh.h
//  Content:    D3DX mesh types and functions
//
//////////////////////////////////////////////////////////////////////////////

#include "d3dx8.h"

#ifndef __D3DX8MESH_H__
#define __D3DX8MESH_H__

#include "dxfile.h"     // defines LPDIRECTXFILEDATA

// {A69BA991-1F7D-11d3-B929-00C04F68DC23}
DEFINE_GUID(IID_ID3DXBaseMesh,
0xa69ba991, 0x1f7d, 0x11d3, 0xb9, 0x29, 0x0, 0xc0, 0x4f, 0x68, 0xdc, 0x23);

// {9D84AC46-6B90-49a9-A721-085C7A3E3DAE}
DEFINE_GUID(IID_ID3DXMesh,
0x9d84ac46, 0x6b90, 0x49a9, 0xa7, 0x21, 0x8, 0x5c, 0x7a, 0x3e, 0x3d, 0xae);

// {15981AA8-1A05-48e3-BBE7-FF5D49654E3F}
DEFINE_GUID(IID_ID3DXPMesh,
0x15981aa8, 0x1a05, 0x48e3, 0xbb, 0xe7, 0xff, 0x5d, 0x49, 0x65, 0x4e, 0x3f);

// {BC3BBDE2-1F7D-11d3-B929-00C04F68DC23}
DEFINE_GUID(IID_ID3DXSPMesh,
0xbc3bbde2, 0x1f7d, 0x11d3, 0xb9, 0x29, 0x0, 0xc0, 0x4f, 0x68, 0xdc, 0x23);

// {82A53844-F322-409e-A2E9-992E1104069D}
DEFINE_GUID(IID_ID3DXSkinMesh,
0x82a53844, 0xf322, 0x409e, 0xa2, 0xe9, 0x99, 0x2e, 0x11, 0x4, 0x6, 0x9d);


enum _D3DXMESH {
    D3DXMESH_32BIT                  = 0x001, // If set, then use 32 bit indices, if not set use 16 bit indices. 32BIT meshes currently not supported on ID3DXSkinMesh object
    D3DXMESH_DONOTCLIP              = 0x002, // Use D3DUSAGE_DONOTCLIP for VB & IB.
    D3DXMESH_POINTS                 = 0x004, // Use D3DUSAGE_POINTS for VB & IB.
    D3DXMESH_RTPATCHES              = 0x008, // Use D3DUSAGE_RTPATCHES for VB & IB.
    D3DXMESH_NPATCHES               = 0x4000,// Use D3DUSAGE_NPATCHES for VB & IB.
    D3DXMESH_VB_SYSTEMMEM           = 0x010, // Use D3DPOOL_SYSTEMMEM for VB. Overrides D3DXMESH_MANAGEDVERTEXBUFFER
    D3DXMESH_VB_MANAGED             = 0x020, // Use D3DPOOL_MANAGED for VB.
    D3DXMESH_VB_WRITEONLY           = 0x040, // Use D3DUSAGE_WRITEONLY for VB.
    D3DXMESH_VB_DYNAMIC             = 0x080, // Use D3DUSAGE_DYNAMIC for VB.
    D3DXMESH_IB_SYSTEMMEM           = 0x100, // Use D3DPOOL_SYSTEMMEM for IB. Overrides D3DXMESH_MANAGEDINDEXBUFFER
    D3DXMESH_IB_MANAGED             = 0x200, // Use D3DPOOL_MANAGED for IB.
    D3DXMESH_IB_WRITEONLY           = 0x400, // Use D3DUSAGE_WRITEONLY for IB.
    D3DXMESH_IB_DYNAMIC             = 0x800, // Use D3DUSAGE_DYNAMIC for IB.

    D3DXMESH_VB_SHARE               = 0x1000, // Valid for Clone* calls only, forces cloned mesh/pmesh to share vertex buffer

    D3DXMESH_USEHWONLY              = 0x2000, // Valid for ID3DXSkinMesh::ConvertToBlendedMesh

    // Helper options
    D3DXMESH_SYSTEMMEM              = 0x110, // D3DXMESH_VB_SYSTEMMEM | D3DXMESH_IB_SYSTEMMEM
    D3DXMESH_MANAGED                = 0x220, // D3DXMESH_VB_MANAGED | D3DXMESH_IB_MANAGED
    D3DXMESH_WRITEONLY              = 0x440, // D3DXMESH_VB_WRITEONLY | D3DXMESH_IB_WRITEONLY
    D3DXMESH_DYNAMIC                = 0x880, // D3DXMESH_VB_DYNAMIC | D3DXMESH_IB_DYNAMIC

};

// option field values for specifying min value in D3DXGeneratePMesh and D3DXSimplifyMesh
enum _D3DXMESHSIMP
{
    D3DXMESHSIMP_VERTEX   = 0x1,
    D3DXMESHSIMP_FACE     = 0x2,

};

enum _MAX_FVF_DECL_SIZE
{
    MAX_FVF_DECL_SIZE = 20
};

typedef struct ID3DXBaseMesh *LPD3DXBASEMESH;
typedef struct ID3DXMesh *LPD3DXMESH;
typedef struct ID3DXPMesh *LPD3DXPMESH;
typedef struct ID3DXSPMesh *LPD3DXSPMESH;
typedef struct ID3DXSkinMesh *LPD3DXSKINMESH;

typedef struct _D3DXATTRIBUTERANGE
{
    DWORD AttribId;
    DWORD FaceStart;
    DWORD FaceCount;
    DWORD VertexStart;
    DWORD VertexCount;
} D3DXATTRIBUTERANGE;

typedef D3DXATTRIBUTERANGE* LPD3DXATTRIBUTERANGE;

#ifdef __cplusplus
extern "C" {
#endif //__cplusplus
struct D3DXMATERIAL
{
    D3DMATERIAL8  MatD3D;
    LPSTR         pTextureFilename;
};
typedef struct D3DXMATERIAL *LPD3DXMATERIAL;
#ifdef __cplusplus
}
#endif //__cplusplus

typedef struct _D3DXATTRIBUTEWEIGHTS
{
    FLOAT Position;
    FLOAT Boundary;
    FLOAT Normal;
    FLOAT Diffuse;
    FLOAT Specular;
    FLOAT Tex[8];
} D3DXATTRIBUTEWEIGHTS;

typedef D3DXATTRIBUTEWEIGHTS* LPD3DXATTRIBUTEWEIGHTS;

DECLARE_INTERFACE_(ID3DXBaseMesh, IUnknown)
{
    // IUnknown
    STDMETHOD(QueryInterface)(THIS_ REFIID iid, LPVOID *ppv) PURE;
    STDMETHOD_(ULONG, AddRef)(THIS) PURE;
    STDMETHOD_(ULONG, Release)(THIS) PURE;

    // ID3DXBaseMesh
    STDMETHOD(DrawSubset)(THIS_ DWORD AttribId) PURE;
    STDMETHOD_(DWORD, GetNumFaces)(THIS) PURE;
    STDMETHOD_(DWORD, GetNumVertices)(THIS) PURE;
    STDMETHOD_(DWORD, GetFVF)(THIS) PURE;
    STDMETHOD(GetDeclaration)(THIS_ DWORD Declaration[MAX_FVF_DECL_SIZE]) PURE;
    STDMETHOD_(DWORD, GetOptions)(THIS) PURE;
    STDMETHOD(GetDevice)(THIS_ LPDIRECT3DDEVICE8* ppDevice) PURE;
    STDMETHOD(CloneMeshFVF)(THIS_ DWORD Options,
                DWORD FVF, LPDIRECT3DDEVICE8 pD3DDevice, LPD3DXMESH* ppCloneMesh) PURE;
    STDMETHOD(CloneMesh)(THIS_ DWORD Options,
                CONST DWORD *pDeclaration, LPDIRECT3DDEVICE8 pD3DDevice, LPD3DXMESH* ppCloneMesh) PURE;
    STDMETHOD(GetVertexBuffer)(THIS_ LPDIRECT3DVERTEXBUFFER8* ppVB) PURE;
    STDMETHOD(GetIndexBuffer)(THIS_ LPDIRECT3DINDEXBUFFER8* ppIB) PURE;
    STDMETHOD(LockVertexBuffer)(THIS_ DWORD Flags, BYTE** ppData) PURE;
    STDMETHOD(UnlockVertexBuffer)(THIS) PURE;
    STDMETHOD(LockIndexBuffer)(THIS_ DWORD Flags, BYTE** ppData) PURE;
    STDMETHOD(UnlockIndexBuffer)(THIS) PURE;
    STDMETHOD(GetAttributeTable)(
                THIS_ D3DXATTRIBUTERANGE *pAttribTable, DWORD* pAttribTableSize) PURE;
};

DECLARE_INTERFACE_(ID3DXMesh, ID3DXBaseMesh)
{
    // IUnknown
    STDMETHOD(QueryInterface)(THIS_ REFIID iid, LPVOID *ppv) PURE;
    STDMETHOD_(ULONG, AddRef)(THIS) PURE;
    STDMETHOD_(ULONG, Release)(THIS) PURE;

    // ID3DXBaseMesh
    STDMETHOD(DrawSubset)(THIS_ DWORD AttribId) PURE;
    STDMETHOD_(DWORD, GetNumFaces)(THIS) PURE;
    STDMETHOD_(DWORD, GetNumVertices)(THIS) PURE;
    STDMETHOD_(DWORD, GetFVF)(THIS) PURE;
    STDMETHOD(GetDeclaration)(THIS_ DWORD Declaration[MAX_FVF_DECL_SIZE]) PURE;
    STDMETHOD_(DWORD, GetOptions)(THIS) PURE;
    STDMETHOD(GetDevice)(THIS_ LPDIRECT3DDEVICE8* ppDevice) PURE;
    STDMETHOD(CloneMeshFVF)(THIS_ DWORD Options,
                DWORD FVF, LPDIRECT3DDEVICE8 pD3DDevice, LPD3DXMESH* ppCloneMesh) PURE;
    STDMETHOD(CloneMesh)(THIS_ DWORD Options,
                CONST DWORD *pDeclaration, LPDIRECT3DDEVICE8 pD3DDevice, LPD3DXMESH* ppCloneMesh) PURE;
    STDMETHOD(GetVertexBuffer)(THIS_ LPDIRECT3DVERTEXBUFFER8* ppVB) PURE;
    STDMETHOD(GetIndexBuffer)(THIS_ LPDIRECT3DINDEXBUFFER8* ppIB) PURE;
    STDMETHOD(LockVertexBuffer)(THIS_ DWORD Flags, BYTE** ppData) PURE;
    STDMETHOD(UnlockVertexBuffer)(THIS) PURE;
    STDMETHOD(LockIndexBuffer)(THIS_ DWORD Flags, BYTE** ppData) PURE;
    STDMETHOD(UnlockIndexBuffer)(THIS) PURE;
    STDMETHOD(GetAttributeTable)(
                THIS_ D3DXATTRIBUTERANGE *pAttribTable, DWORD* pAttribTableSize) PURE;

    // ID3DXMesh
    STDMETHOD(LockAttributeBuffer)(THIS_ DWORD Flags, DWORD** ppData) PURE;
    STDMETHOD(UnlockAttributeBuffer)(THIS) PURE;
    STDMETHOD(ConvertPointRepsToAdjacency)(THIS_ CONST DWORD* pPRep, DWORD* pAdjacency) PURE;
    STDMETHOD(ConvertAdjacencyToPointReps)(THIS_ CONST DWORD* pAdjacency, DWORD* pPRep) PURE;
    STDMETHOD(GenerateAdjacency)(THIS_ FLOAT fEpsilon, DWORD* pAdjacency) PURE;
    STDMETHOD(Optimize)(THIS_ DWORD Flags, CONST DWORD* pAdjacencyIn, DWORD* pAdjacencyOut,
                     DWORD* pFaceRemap, LPD3DXBUFFER *ppVertexRemap,
                     LPD3DXMESH* ppOptMesh) PURE;
    STDMETHOD(OptimizeInplace)(THIS_ DWORD Flags, CONST DWORD* pAdjacencyIn, DWORD* pAdjacencyOut,
                     DWORD* pFaceRemap, LPD3DXBUFFER *ppVertexRemap) PURE;
};

DECLARE_INTERFACE_(ID3DXPMesh, ID3DXBaseMesh)
{
    // IUnknown
    STDMETHOD(QueryInterface)(THIS_ REFIID iid, LPVOID *ppv) PURE;
    STDMETHOD_(ULONG, AddRef)(THIS) PURE;
    STDMETHOD_(ULONG, Release)(THIS) PURE;

    // ID3DXBaseMesh
    STDMETHOD(DrawSubset)(THIS_ DWORD AttribId) PURE;
    STDMETHOD_(DWORD, GetNumFaces)(THIS) PURE;
    STDMETHOD_(DWORD, GetNumVertices)(THIS) PURE;
    STDMETHOD_(DWORD, GetFVF)(THIS) PURE;
    STDMETHOD(GetDeclaration)(THIS_ DWORD Declaration[MAX_FVF_DECL_SIZE]) PURE;
    STDMETHOD_(DWORD, GetOptions)(THIS) PURE;
    STDMETHOD(GetDevice)(THIS_ LPDIRECT3DDEVICE8* ppDevice) PURE;
    STDMETHOD(CloneMeshFVF)(THIS_ DWORD Options,
                DWORD FVF, LPDIRECT3DDEVICE8 pD3DDevice, LPD3DXMESH* ppCloneMesh) PURE;
    STDMETHOD(CloneMesh)(THIS_ DWORD Options,
                CONST DWORD *pDeclaration, LPDIRECT3DDEVICE8 pD3DDevice, LPD3DXMESH* ppCloneMesh) PURE;
    STDMETHOD(GetVertexBuffer)(THIS_ LPDIRECT3DVERTEXBUFFER8* ppVB) PURE;
    STDMETHOD(GetIndexBuffer)(THIS_ LPDIRECT3DINDEXBUFFER8* ppIB) PURE;
    STDMETHOD(LockVertexBuffer)(THIS_ DWORD Flags, BYTE** ppData) PURE;
    STDMETHOD(UnlockVertexBuffer)(THIS) PURE;
    STDMETHOD(LockIndexBuffer)(THIS_ DWORD Flags, BYTE** ppData) PURE;
    STDMETHOD(UnlockIndexBuffer)(THIS) PURE;
    STDMETHOD(GetAttributeTable)(
                THIS_ D3DXATTRIBUTERANGE *pAttribTable, DWORD* pAttribTableSize) PURE;

    // ID3DXPMesh
    STDMETHOD(ClonePMeshFVF)(THIS_ DWORD Options,
                DWORD FVF, LPDIRECT3DDEVICE8 pD3D, LPD3DXPMESH* ppCloneMesh) PURE;
    STDMETHOD(ClonePMesh)(THIS_ DWORD Options,
                CONST DWORD *pDeclaration, LPDIRECT3DDEVICE8 pD3D, LPD3DXPMESH* ppCloneMesh) PURE;
    STDMETHOD(SetNumFaces)(THIS_ DWORD Faces) PURE;
    STDMETHOD(SetNumVertices)(THIS_ DWORD Vertices) PURE;
    STDMETHOD_(DWORD, GetMaxFaces)(THIS) PURE;
    STDMETHOD_(DWORD, GetMinFaces)(THIS) PURE;
    STDMETHOD_(DWORD, GetMaxVertices)(THIS) PURE;
    STDMETHOD_(DWORD, GetMinVertices)(THIS) PURE;
    STDMETHOD(Save)(THIS_ IStream *pStream, LPD3DXMATERIAL pMaterials, DWORD NumMaterials) PURE;

    STDMETHOD(Optimize)(THIS_ DWORD Flags, DWORD* pAdjacencyOut,
                     DWORD* pFaceRemap, LPD3DXBUFFER *ppVertexRemap,
                     LPD3DXMESH* ppOptMesh) PURE;
    STDMETHOD(GetAdjacency)(THIS_ DWORD* pAdjacency) PURE;
};

DECLARE_INTERFACE_(ID3DXSPMesh, IUnknown)
{
    // IUnknown
    STDMETHOD(QueryInterface)(THIS_ REFIID iid, LPVOID *ppv) PURE;
    STDMETHOD_(ULONG, AddRef)(THIS) PURE;
    STDMETHOD_(ULONG, Release)(THIS) PURE;

    // ID3DXSPMesh
    STDMETHOD_(DWORD, GetNumFaces)(THIS) PURE;
    STDMETHOD_(DWORD, GetNumVertices)(THIS) PURE;
    STDMETHOD_(DWORD, GetFVF)(THIS) PURE;
    STDMETHOD(GetDeclaration)(THIS_ DWORD Declaration[MAX_FVF_DECL_SIZE]) PURE;
    STDMETHOD_(DWORD, GetOptions)(THIS) PURE;
    STDMETHOD(GetDevice)(THIS_ LPDIRECT3DDEVICE8* ppDevice) PURE;
    STDMETHOD(CloneMeshFVF)(THIS_ DWORD Options,
                DWORD FVF, LPDIRECT3DDEVICE8 pD3D, DWORD *pAdjacencyOut, DWORD *pVertexRemapOut, LPD3DXMESH* ppCloneMesh) PURE;
    STDMETHOD(CloneMesh)(THIS_ DWORD Options,
                CONST DWORD *pDeclaration, LPDIRECT3DDEVICE8 pD3DDevice, DWORD *pAdjacencyOut, DWORD *pVertexRemapOut, LPD3DXMESH* ppCloneMesh) PURE;
    STDMETHOD(ClonePMeshFVF)(THIS_ DWORD Options,
                DWORD FVF, LPDIRECT3DDEVICE8 pD3D, DWORD *pVertexRemapOut, LPD3DXPMESH* ppCloneMesh) PURE;
    STDMETHOD(ClonePMesh)(THIS_ DWORD Options,
                CONST DWORD *pDeclaration, LPDIRECT3DDEVICE8 pD3D, DWORD *pVertexRemapOut, LPD3DXPMESH* ppCloneMesh) PURE;
    STDMETHOD(ReduceFaces)(THIS_ DWORD Faces) PURE;
    STDMETHOD(ReduceVertices)(THIS_ DWORD Vertices) PURE;
    STDMETHOD_(DWORD, GetMaxFaces)(THIS) PURE;
    STDMETHOD_(DWORD, GetMaxVertices)(THIS) PURE;
};

#define UNUSED16 (0xffff)
#define UNUSED32 (0xffffffff)

// ID3DXMesh::Optimize options
enum _D3DXMESHOPT {
    D3DXMESHOPT_COMPACT       = 0x001,
    D3DXMESHOPT_ATTRSORT      = 0x002,
    D3DXMESHOPT_VERTEXCACHE   = 0x004,
    D3DXMESHOPT_STRIPREORDER  = 0x008,
    D3DXMESHOPT_IGNOREVERTS   = 0x010,  // optimize faces only, don't touch vertices
    D3DXMESHOPT_SHAREVB       = 0x020,
};

// Subset of the mesh that has the same attribute and bone combination.
// This subset can be rendered in a single draw call
typedef struct _D3DXBONECOMBINATION
{
    DWORD AttribId;
    DWORD FaceStart;
    DWORD FaceCount;
    DWORD VertexStart;
    DWORD VertexCount;
    DWORD* BoneId;
} D3DXBONECOMBINATION, *LPD3DXBONECOMBINATION;

DECLARE_INTERFACE_(ID3DXSkinMesh, IUnknown)
{
    // IUnknown
    STDMETHOD(QueryInterface)(THIS_ REFIID iid, LPVOID *ppv) PURE;
    STDMETHOD_(ULONG, AddRef)(THIS) PURE;
    STDMETHOD_(ULONG, Release)(THIS) PURE;

    // ID3DXMesh
    STDMETHOD_(DWORD, GetNumFaces)(THIS) PURE;
    STDMETHOD_(DWORD, GetNumVertices)(THIS) PURE;
    STDMETHOD_(DWORD, GetFVF)(THIS) PURE;
    STDMETHOD(GetDeclaration)(THIS_ DWORD Declaration[MAX_FVF_DECL_SIZE]) PURE;
    STDMETHOD_(DWORD, GetOptions)(THIS) PURE;
    STDMETHOD(GetDevice)(THIS_ LPDIRECT3DDEVICE8* ppDevice) PURE;
    STDMETHOD(GetVertexBuffer)(THIS_ LPDIRECT3DVERTEXBUFFER8* ppVB) PURE;
    STDMETHOD(GetIndexBuffer)(THIS_ LPDIRECT3DINDEXBUFFER8* ppIB) PURE;
    STDMETHOD(LockVertexBuffer)(THIS_ DWORD flags, BYTE** ppData) PURE;
    STDMETHOD(UnlockVertexBuffer)(THIS) PURE;
    STDMETHOD(LockIndexBuffer)(THIS_ DWORD flags, BYTE** ppData) PURE;
    STDMETHOD(UnlockIndexBuffer)(THIS) PURE;
    STDMETHOD(LockAttributeBuffer)(THIS_ DWORD flags, DWORD** ppData) PURE;
    STDMETHOD(UnlockAttributeBuffer)(THIS) PURE;
    // ID3DXSkinMesh
    STDMETHOD_(DWORD, GetNumBones)(THIS) PURE;
    STDMETHOD(GetOriginalMesh)(THIS_ LPD3DXMESH* ppMesh) PURE;
    STDMETHOD(SetBoneInfluence)(THIS_ DWORD bone, DWORD numInfluences, CONST DWORD* vertices, CONST FLOAT* weights) PURE;
    STDMETHOD_(DWORD, GetNumBoneInfluences)(THIS_ DWORD bone) PURE;
    STDMETHOD(GetBoneInfluence)(THIS_ DWORD bone, DWORD* vertices, FLOAT* weights) PURE;
    STDMETHOD(GetMaxVertexInfluences)(THIS_ DWORD* maxVertexInfluences) PURE;
    STDMETHOD(GetMaxFaceInfluences)(THIS_ DWORD* maxFaceInfluences) PURE;
    STDMETHOD(ConvertToBlendedMesh)(THIS_ DWORD options, CONST LPDWORD pAdjacencyIn, LPDWORD pAdjacencyOut,
                            DWORD* pNumBoneCombinations, LPD3DXBUFFER* ppBoneCombinationTable, LPD3DXMESH* ppMesh) PURE;
    STDMETHOD(ConvertToIndexedBlendedMesh)(THIS_ DWORD options,
                                           CONST LPDWORD pAdjacencyIn,
                                           DWORD paletteSize,
                                           LPDWORD pAdjacencyOut,
                                           DWORD* pNumBoneCombinations,
                                           LPD3DXBUFFER* ppBoneCombinationTable,
                                           LPD3DXMESH* ppMesh) PURE;
    STDMETHOD(GenerateSkinnedMesh)(THIS_ DWORD options, FLOAT minWeight, CONST LPDWORD pAdjacencyIn, LPDWORD pAdjacencyOut, LPD3DXMESH* ppMesh) PURE;
    STDMETHOD(UpdateSkinnedMesh)(THIS_ CONST D3DXMATRIX* pBoneTransforms, LPD3DXMESH pMesh) PURE;
};

#ifdef __cplusplus
extern "C" {
#endif //__cplusplus

HRESULT WINAPI
    D3DXCreateMesh(
        DWORD NumFaces,
        DWORD NumVertices,
        DWORD Options,
        CONST DWORD *pDeclaration,
        LPDIRECT3DDEVICE8 pD3D,
        LPD3DXMESH* ppMesh);

HRESULT WINAPI
    D3DXCreateMeshFVF(
        DWORD NumFaces,
        DWORD NumVertices,
        DWORD Options,
        DWORD FVF,
        LPDIRECT3DDEVICE8 pD3D,
        LPD3DXMESH* ppMesh);

HRESULT WINAPI
    D3DXCreateSPMesh(
        LPD3DXMESH pMesh,
        CONST DWORD* pAdjacency,
        CONST LPD3DXATTRIBUTEWEIGHTS pVertexAttributeWeights,
        CONST FLOAT *pVertexWeights,
        LPD3DXSPMESH* ppSMesh);

// clean a mesh up for simplification, try to make manifold
HRESULT WINAPI
    D3DXCleanMesh(
    LPD3DXMESH pMeshIn,
    CONST DWORD* pAdjacency,
    LPD3DXMESH* ppMeshOut);

HRESULT WINAPI
    D3DXValidMesh(
    LPD3DXMESH pMeshIn,
    CONST DWORD* pAdjacency);

HRESULT WINAPI
    D3DXGeneratePMesh(
        LPD3DXMESH pMesh,
        CONST DWORD* pAdjacency,
        CONST LPD3DXATTRIBUTEWEIGHTS pVertexAttributeWeights,
        CONST FLOAT *pVertexWeights,
        DWORD MinValue,
        DWORD Options,
        LPD3DXPMESH* ppPMesh);

HRESULT WINAPI
    D3DXSimplifyMesh(
        LPD3DXMESH pMesh,
        CONST DWORD* pAdjacency,
        CONST LPD3DXATTRIBUTEWEIGHTS pVertexAttributeWeights,
        CONST FLOAT *pVertexWeights,
        DWORD MinValue,
        DWORD Options,
        LPD3DXMESH* ppMesh);

HRESULT WINAPI
    D3DXComputeBoundingSphere(
        PVOID pPointsFVF,
        DWORD NumVertices,
        DWORD FVF,
        D3DXVECTOR3 *pCenter,
        FLOAT *pRadius);

HRESULT WINAPI
    D3DXComputeBoundingBox(
        PVOID pPointsFVF,
        DWORD NumVertices,
        DWORD FVF,
        D3DXVECTOR3 *pMin,
        D3DXVECTOR3 *pMax);

HRESULT WINAPI
    D3DXComputeNormals(
        LPD3DXBASEMESH pMesh);

HRESULT WINAPI
    D3DXCreateBuffer(
        DWORD NumBytes,
        LPD3DXBUFFER *ppBuffer);


HRESULT WINAPI
    D3DXLoadMeshFromX(
        LPSTR pFilename,
        DWORD Options,
        LPDIRECT3DDEVICE8 pD3D,
        LPD3DXBUFFER *ppAdjacency,
        LPD3DXBUFFER *ppMaterials,
        PDWORD pNumMaterials,
        LPD3DXMESH *ppMesh);

HRESULT WINAPI
    D3DXSaveMeshToX(
        LPSTR pFilename,
        LPD3DXMESH pMesh,
        CONST DWORD* pAdjacency,
        CONST LPD3DXMATERIAL pMaterials,
        DWORD NumMaterials,
        DWORD Format
        );

HRESULT WINAPI
    D3DXCreatePMeshFromStream(
        IStream *pStream,
    DWORD Options,
        LPDIRECT3DDEVICE8 pD3DDevice,
        LPD3DXBUFFER *ppMaterials,
        DWORD* pNumMaterials,
        LPD3DXPMESH *ppPMesh);

HRESULT WINAPI
    D3DXCreateSkinMesh(
        DWORD numFaces,
        DWORD numVertices,
        DWORD numBones,
        DWORD options,
        CONST DWORD *pDeclaration,
        LPDIRECT3DDEVICE8 pD3D,
        LPD3DXSKINMESH* ppSkinMesh);

HRESULT WINAPI
    D3DXCreateSkinMeshFVF(
        DWORD numFaces,
        DWORD numVertices,
        DWORD numBones,
        DWORD options,
        DWORD fvf,
        LPDIRECT3DDEVICE8 pD3D,
        LPD3DXSKINMESH* ppSkinMesh);

HRESULT WINAPI
    D3DXCreateSkinMeshFromMesh(
        LPD3DXMESH pMesh,
        DWORD numBones,
        LPD3DXSKINMESH* ppSkinMesh);

HRESULT WINAPI
    D3DXLoadMeshFromXof(
        LPDIRECTXFILEDATA pXofObjMesh,
        DWORD Options,
        LPDIRECT3DDEVICE8 pD3DDevice,
        LPD3DXBUFFER *ppAdjacency,
        LPD3DXBUFFER *ppMaterials,
        PDWORD pNumMaterials,
        LPD3DXMESH *ppMesh);

HRESULT WINAPI
    D3DXLoadSkinMeshFromXof(
        LPDIRECTXFILEDATA pxofobjMesh,
        DWORD options,
        LPDIRECT3DDEVICE8 pD3D,
        LPD3DXBUFFER* ppAdjacency,
        LPD3DXBUFFER* ppMaterials,
        PDWORD pMatOut,
        LPD3DXBUFFER* ppBoneNames,
        LPD3DXBUFFER* ppBoneTransforms,
        LPD3DXSKINMESH* ppMesh);

HRESULT WINAPI
    D3DXTesselateMesh(
        LPD3DXMESH pMeshIn,
        CONST DWORD* pAdjacency,
        FLOAT NumSegs,
        BOOL  QuadraticInterpNormals,     // if false use linear intrep for normals, if true use quadratic
        LPD3DXMESH *ppMeshOut);

HRESULT WINAPI
    D3DXDeclaratorFromFVF(
        DWORD FVF,
        DWORD Declaration[MAX_FVF_DECL_SIZE]);

HRESULT WINAPI
    D3DXFVFFromDeclarator(
        CONST DWORD *pDeclarator,
        DWORD *pFVF);

HRESULT WINAPI
    D3DXWeldVertices(
        CONST LPD3DXMESH pMesh,
        float fEpsilon,
        CONST DWORD *rgdwAdjacencyIn,
        DWORD *rgdwAdjacencyOut,
        DWORD* pFaceRemap,
        LPD3DXBUFFER *ppbufVertexRemap);

HRESULT WINAPI
    D3DXIntersect(
        LPD3DXBASEMESH pMesh,
        CONST D3DXVECTOR3 *pRayPos,
        CONST D3DXVECTOR3 *pRayDir,
        BOOL    *pHit,
        DWORD   *pFaceIndex,
        FLOAT   *pU,
        FLOAT   *pV,
        FLOAT   *pDist);

BOOL WINAPI
    D3DXSphereBoundProbe(
        CONST D3DXVECTOR3 *pvCenter,
        FLOAT fRadius,
        D3DXVECTOR3 *pvRayPosition,
        D3DXVECTOR3 *pvRayDirection);

BOOL WINAPI
    D3DXBoxBoundProbe(
        CONST D3DXVECTOR3 *pvMin,
        CONST D3DXVECTOR3 *pvMax,
        D3DXVECTOR3 *pvRayPosition,
        D3DXVECTOR3 *pvRayDirection);

enum _D3DXERR {
    D3DXERR_CANNOTMODIFYINDEXBUFFER     = MAKE_DDHRESULT(2900),
    D3DXERR_INVALIDMESH                 = MAKE_DDHRESULT(2901),
    D3DXERR_CANNOTATTRSORT              = MAKE_DDHRESULT(2902),
    D3DXERR_SKINNINGNOTSUPPORTED        = MAKE_DDHRESULT(2903),
    D3DXERR_TOOMANYINFLUENCES           = MAKE_DDHRESULT(2904),
    D3DXERR_INVALIDDATA                 = MAKE_DDHRESULT(2905),
};

#ifdef __cplusplus
}
#endif //__cplusplus

#endif //__D3DX8MESH_H__