d3dx9mesh.h

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//////////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) Microsoft Corporation.  All Rights Reserved.
//
//  File:       d3dx9mesh.h
//  Content:    D3DX mesh types and functions
//
//////////////////////////////////////////////////////////////////////////////

#include "d3dx9.h"

#ifndef __D3DX9MESH_H__
#define __D3DX9MESH_H__

#include "dxfile.h"     // defines LPDIRECTXFILEDATA

// {2A835771-BF4D-43f4-8E14-82A809F17D8A}
DEFINE_GUID(IID_ID3DXBaseMesh, 
0x2a835771, 0xbf4d, 0x43f4, 0x8e, 0x14, 0x82, 0xa8, 0x9, 0xf1, 0x7d, 0x8a);

// {CCAE5C3B-4DD1-4d0f-997E-4684CA64557F}
DEFINE_GUID(IID_ID3DXMesh, 
0xccae5c3b, 0x4dd1, 0x4d0f, 0x99, 0x7e, 0x46, 0x84, 0xca, 0x64, 0x55, 0x7f);

// {19FBE386-C282-4659-97BD-CB869B084A6C}
DEFINE_GUID(IID_ID3DXPMesh, 
0x19fbe386, 0xc282, 0x4659, 0x97, 0xbd, 0xcb, 0x86, 0x9b, 0x8, 0x4a, 0x6c);

// {4E3CA05C-D4FF-4d11-8A02-16459E08F6F4}
DEFINE_GUID(IID_ID3DXSPMesh, 
0x4e3ca05c, 0xd4ff, 0x4d11, 0x8a, 0x2, 0x16, 0x45, 0x9e, 0x8, 0xf6, 0xf4);

// {0E7DBBF3-421A-4dd8-B738-A5DAC3A48767}
DEFINE_GUID(IID_ID3DXSkinInfo, 
0xe7dbbf3, 0x421a, 0x4dd8, 0xb7, 0x38, 0xa5, 0xda, 0xc3, 0xa4, 0x87, 0x67);

// {0AD3E8BC-290D-4dc7-91AB-73A82755B13E}
DEFINE_GUID(IID_ID3DXPatchMesh, 
0xad3e8bc, 0x290d, 0x4dc7, 0x91, 0xab, 0x73, 0xa8, 0x27, 0x55, 0xb1, 0x3e);

//patch mesh can be quads or tris
typedef enum _D3DXPATCHMESHTYPE {
    D3DXPATCHMESH_RECT   = 0x001,
    D3DXPATCHMESH_TRI    = 0x002,
    D3DXPATCHMESH_NPATCH = 0x003,

    D3DXPATCHMESH_FORCE_DWORD    = 0x7fffffff, /* force 32-bit size enum */
} D3DXPATCHMESHTYPE;

// Mesh options - lower 3 bytes only, upper byte used by _D3DXMESHOPT option flags
enum _D3DXMESH {
    D3DXMESH_32BIT                  = 0x001, // If set, then use 32 bit indices, if not set use 16 bit indices.
    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_VB_SOFTWAREPROCESSING = 0x8000, // Use D3DUSAGE_SOFTWAREPROCESSING 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_IB_SOFTWAREPROCESSING= 0x10000, // Use D3DUSAGE_SOFTWAREPROCESSING 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
    D3DXMESH_SOFTWAREPROCESSING   = 0x18000, // D3DXMESH_VB_SOFTWAREPROCESSING | D3DXMESH_IB_SOFTWAREPROCESSING

};

//patch mesh options
enum _D3DXPATCHMESH {
    D3DXPATCHMESH_DEFAULT = 000,
};
// 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 = MAXD3DDECLLENGTH + 1 // +1 for END
};

typedef struct ID3DXBaseMesh *LPD3DXBASEMESH;
typedef struct ID3DXMesh *LPD3DXMESH;
typedef struct ID3DXPMesh *LPD3DXPMESH;
typedef struct ID3DXSPMesh *LPD3DXSPMESH;
typedef struct ID3DXSkinInfo *LPD3DXSKININFO;
typedef struct ID3DXPatchMesh *LPD3DXPATCHMESH;

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

typedef D3DXATTRIBUTERANGE* LPD3DXATTRIBUTERANGE;

typedef struct _D3DXMATERIAL
{
    D3DMATERIAL9  MatD3D;
    LPSTR         pTextureFilename;
} D3DXMATERIAL;
typedef D3DXMATERIAL *LPD3DXMATERIAL;

typedef enum _D3DXEFFECTDEFAULTTYPE
{
    D3DXEDT_STRING = 0x1,       // pValue points to a null terminated ASCII string 
    D3DXEDT_FLOATS = 0x2,       // pValue points to an array of floats - number of floats is NumBytes / sizeof(float)
    D3DXEDT_DWORD  = 0x3,       // pValue points to a DWORD

    D3DXEDT_FORCEDWORD = 0x7fffffff
} D3DXEFFECTDEFAULTTYPE;

typedef struct _D3DXEFFECTDEFAULT
{
    LPSTR                 pParamName;
    D3DXEFFECTDEFAULTTYPE Type;           // type of the data pointed to by pValue
    DWORD                 NumBytes;       // size in bytes of the data pointed to by pValue
    LPVOID                pValue;         // data for the default of the effect
} D3DXEFFECTDEFAULT, *LPD3DXEFFECTDEFAULT;

typedef struct _D3DXEFFECTINSTANCE
{
    LPSTR               pEffectFilename;
    DWORD               NumDefaults;
    LPD3DXEFFECTDEFAULT pDefaults;
} D3DXEFFECTINSTANCE, *LPD3DXEFFECTINSTANCE;

typedef struct _D3DXATTRIBUTEWEIGHTS
{
    FLOAT Position;
    FLOAT Boundary;
    FLOAT Normal;
    FLOAT Diffuse;
    FLOAT Specular;
    FLOAT Texcoord[8];
    FLOAT Tangent;
    FLOAT Binormal;
} D3DXATTRIBUTEWEIGHTS, *LPD3DXATTRIBUTEWEIGHTS;

enum _D3DXWELDEPSILONSFLAGS
{
    D3DXWELDEPSILONS_WELDALL             = 0x1,  // weld all vertices marked by adjacency as being overlapping

    D3DXWELDEPSILONS_WELDPARTIALMATCHES  = 0x2,  // if a given vertex component is within epsilon, modify partial matched 
                                                    // vertices so that both components identical AND if all components "equal"
                                                    // remove one of the vertices
    D3DXWELDEPSILONS_DONOTREMOVEVERTICES = 0x4,  // instructs weld to only allow modifications to vertices and not removal
                                                    // ONLY valid if D3DXWELDEPSILONS_WELDPARTIALMATCHES is set
                                                    // useful to modify vertices to be equal, but not allow vertices to be removed

    D3DXWELDEPSILONS_DONOTSPLIT          = 0x8,  // instructs weld to specify the D3DXMESHOPT_DONOTSPLIT flag when doing an Optimize(ATTR_SORT)
                                                    // if this flag is not set, all vertices that are in separate attribute groups
                                                    // will remain split and not welded.  Setting this flag can slow down software vertex processing

};

typedef struct _D3DXWELDEPSILONS
{
    FLOAT Position;                 // NOTE: This does NOT replace the epsilon in GenerateAdjacency
                                            // in general, it should be the same value or greater than the one passed to GeneratedAdjacency
    FLOAT BlendWeights;
    FLOAT Normal;
    FLOAT PSize;
    FLOAT Specular;
    FLOAT Diffuse;
    FLOAT Texcoord[8];
    FLOAT Tangent;
    FLOAT Binormal;
    FLOAT TessFactor;
} D3DXWELDEPSILONS;

typedef D3DXWELDEPSILONS* LPD3DXWELDEPSILONS;


#undef INTERFACE
#define INTERFACE ID3DXBaseMesh

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_ D3DVERTEXELEMENT9 Declaration[MAX_FVF_DECL_SIZE]) PURE;
    STDMETHOD_(DWORD, GetNumBytesPerVertex)(THIS) PURE;
    STDMETHOD_(DWORD, GetOptions)(THIS) PURE;
    STDMETHOD(GetDevice)(THIS_ LPDIRECT3DDEVICE9* ppDevice) PURE;
    STDMETHOD(CloneMeshFVF)(THIS_ DWORD Options, 
                DWORD FVF, LPDIRECT3DDEVICE9 pD3DDevice, LPD3DXMESH* ppCloneMesh) PURE;
    STDMETHOD(CloneMesh)(THIS_ DWORD Options, 
                CONST D3DVERTEXELEMENT9 *pDeclaration, LPDIRECT3DDEVICE9 pD3DDevice, LPD3DXMESH* ppCloneMesh) PURE;
    STDMETHOD(GetVertexBuffer)(THIS_ LPDIRECT3DVERTEXBUFFER9* ppVB) PURE;
    STDMETHOD(GetIndexBuffer)(THIS_ LPDIRECT3DINDEXBUFFER9* ppIB) PURE;
    STDMETHOD(LockVertexBuffer)(THIS_ DWORD Flags, void** ppData) PURE;
    STDMETHOD(UnlockVertexBuffer)(THIS) PURE;
    STDMETHOD(LockIndexBuffer)(THIS_ DWORD Flags, void** ppData) PURE;
    STDMETHOD(UnlockIndexBuffer)(THIS) PURE;
    STDMETHOD(GetAttributeTable)(
                THIS_ D3DXATTRIBUTERANGE *pAttribTable, DWORD* pAttribTableSize) PURE;

    STDMETHOD(ConvertPointRepsToAdjacency)(THIS_ CONST DWORD* pPRep, DWORD* pAdjacency) PURE;
    STDMETHOD(ConvertAdjacencyToPointReps)(THIS_ CONST DWORD* pAdjacency, DWORD* pPRep) PURE;
    STDMETHOD(GenerateAdjacency)(THIS_ FLOAT Epsilon, DWORD* pAdjacency) PURE;

    STDMETHOD(UpdateSemantics)(THIS_ D3DVERTEXELEMENT9 Declaration[MAX_FVF_DECL_SIZE]) PURE;
};


#undef INTERFACE
#define INTERFACE ID3DXMesh

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_ D3DVERTEXELEMENT9 Declaration[MAX_FVF_DECL_SIZE]) PURE;
    STDMETHOD_(DWORD, GetNumBytesPerVertex)(THIS) PURE;
    STDMETHOD_(DWORD, GetOptions)(THIS) PURE;
    STDMETHOD(GetDevice)(THIS_ LPDIRECT3DDEVICE9* ppDevice) PURE;
    STDMETHOD(CloneMeshFVF)(THIS_ DWORD Options, 
                DWORD FVF, LPDIRECT3DDEVICE9 pD3DDevice, LPD3DXMESH* ppCloneMesh) PURE;
    STDMETHOD(CloneMesh)(THIS_ DWORD Options, 
                CONST D3DVERTEXELEMENT9 *pDeclaration, LPDIRECT3DDEVICE9 pD3DDevice, LPD3DXMESH* ppCloneMesh) PURE;
    STDMETHOD(GetVertexBuffer)(THIS_ LPDIRECT3DVERTEXBUFFER9* ppVB) PURE;
    STDMETHOD(GetIndexBuffer)(THIS_ LPDIRECT3DINDEXBUFFER9* ppIB) PURE;
    STDMETHOD(LockVertexBuffer)(THIS_ DWORD Flags, void** ppData) PURE;
    STDMETHOD(UnlockVertexBuffer)(THIS) PURE;
    STDMETHOD(LockIndexBuffer)(THIS_ DWORD Flags, void** ppData) PURE;
    STDMETHOD(UnlockIndexBuffer)(THIS) PURE;
    STDMETHOD(GetAttributeTable)(
                THIS_ D3DXATTRIBUTERANGE *pAttribTable, DWORD* pAttribTableSize) PURE;

    STDMETHOD(ConvertPointRepsToAdjacency)(THIS_ CONST DWORD* pPRep, DWORD* pAdjacency) PURE;
    STDMETHOD(ConvertAdjacencyToPointReps)(THIS_ CONST DWORD* pAdjacency, DWORD* pPRep) PURE;
    STDMETHOD(GenerateAdjacency)(THIS_ FLOAT Epsilon, DWORD* pAdjacency) PURE;

    STDMETHOD(UpdateSemantics)(THIS_ D3DVERTEXELEMENT9 Declaration[MAX_FVF_DECL_SIZE]) PURE;

    // ID3DXMesh
    STDMETHOD(LockAttributeBuffer)(THIS_ DWORD Flags, DWORD** ppData) PURE;
    STDMETHOD(UnlockAttributeBuffer)(THIS) 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;
    STDMETHOD(SetAttributeTable)(THIS_ CONST D3DXATTRIBUTERANGE *pAttribTable, DWORD cAttribTableSize) PURE;
};


#undef INTERFACE
#define INTERFACE ID3DXPMesh

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_ D3DVERTEXELEMENT9 Declaration[MAX_FVF_DECL_SIZE]) PURE;
    STDMETHOD_(DWORD, GetNumBytesPerVertex)(THIS) PURE;
    STDMETHOD_(DWORD, GetOptions)(THIS) PURE;
    STDMETHOD(GetDevice)(THIS_ LPDIRECT3DDEVICE9* ppDevice) PURE;
    STDMETHOD(CloneMeshFVF)(THIS_ DWORD Options, 
                DWORD FVF, LPDIRECT3DDEVICE9 pD3DDevice, LPD3DXMESH* ppCloneMesh) PURE;
    STDMETHOD(CloneMesh)(THIS_ DWORD Options, 
                CONST D3DVERTEXELEMENT9 *pDeclaration, LPDIRECT3DDEVICE9 pD3DDevice, LPD3DXMESH* ppCloneMesh) PURE;
    STDMETHOD(GetVertexBuffer)(THIS_ LPDIRECT3DVERTEXBUFFER9* ppVB) PURE;
    STDMETHOD(GetIndexBuffer)(THIS_ LPDIRECT3DINDEXBUFFER9* ppIB) PURE;
    STDMETHOD(LockVertexBuffer)(THIS_ DWORD Flags, void** ppData) PURE;
    STDMETHOD(UnlockVertexBuffer)(THIS) PURE;
    STDMETHOD(LockIndexBuffer)(THIS_ DWORD Flags, void** ppData) PURE;
    STDMETHOD(UnlockIndexBuffer)(THIS) PURE;
    STDMETHOD(GetAttributeTable)(
                THIS_ D3DXATTRIBUTERANGE *pAttribTable, DWORD* pAttribTableSize) PURE;

    STDMETHOD(ConvertPointRepsToAdjacency)(THIS_ CONST DWORD* pPRep, DWORD* pAdjacency) PURE;
    STDMETHOD(ConvertAdjacencyToPointReps)(THIS_ CONST DWORD* pAdjacency, DWORD* pPRep) PURE;
    STDMETHOD(GenerateAdjacency)(THIS_ FLOAT Epsilon, DWORD* pAdjacency) PURE;

    STDMETHOD(UpdateSemantics)(THIS_ D3DVERTEXELEMENT9 Declaration[MAX_FVF_DECL_SIZE]) PURE;

    // ID3DXPMesh
    STDMETHOD(ClonePMeshFVF)(THIS_ DWORD Options, 
                DWORD FVF, LPDIRECT3DDEVICE9 pD3D, LPD3DXPMESH* ppCloneMesh) PURE;
    STDMETHOD(ClonePMesh)(THIS_ DWORD Options, 
                CONST D3DVERTEXELEMENT9 *pDeclaration, LPDIRECT3DDEVICE9 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, CONST D3DXMATERIAL* pMaterials, CONST D3DXEFFECTINSTANCE* pEffectInstances, DWORD NumMaterials) PURE;

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