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WIP of assimp integration.

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Areloch 2019-02-08 16:25:43 -06:00
parent 32c7f2c7a7
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Engine/lib/assimp/tools/assimp_view/AssetHelper.h Normal file
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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2012, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
#if (!defined AV_ASSET_HELPER_H_INCLUDED)
#define AV_ASSET_HELPER_H_INCLUDED
#include <d3d9.h>
#include <d3dx9.h>
#include <d3dx9mesh.h>
#include <assimp/scene.h>
namespace AssimpView {
class SceneAnimator;
//-------------------------------------------------------------------------------
/** \brief Class to wrap ASSIMP's asset output structures
*/
//-------------------------------------------------------------------------------
class AssetHelper
{
public:
enum
{
// the original normal set will be used
ORIGINAL = 0x0u,
// a smoothed normal set will be used
SMOOTH = 0x1u,
// a hard normal set will be used
HARD = 0x2u,
};
// default constructor
AssetHelper()
: iNormalSet( ORIGINAL )
{
mAnimator = NULL;
apcMeshes = NULL;
pcScene = NULL;
}
//---------------------------------------------------------------
// default vertex data structure
// (even if tangents, bitangents or normals aren't
// required by the shader they will be committed to the GPU)
//---------------------------------------------------------------
struct Vertex
{
aiVector3D vPosition;
aiVector3D vNormal;
D3DCOLOR dColorDiffuse;
aiVector3D vTangent;
aiVector3D vBitangent;
aiVector2D vTextureUV;
aiVector2D vTextureUV2;
unsigned char mBoneIndices[ 4 ];
unsigned char mBoneWeights[ 4 ]; // last Weight not used, calculated inside the vertex shader
/** Returns the vertex declaration elements to create a declaration from. */
static D3DVERTEXELEMENT9* GetDeclarationElements()
{
static D3DVERTEXELEMENT9 decl[] =
{
{ 0, 0, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_POSITION, 0 },
{ 0, 12, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_NORMAL, 0 },
{ 0, 24, D3DDECLTYPE_D3DCOLOR, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_COLOR, 0 },
{ 0, 28, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TANGENT, 0 },
{ 0, 40, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_BINORMAL, 0 },
{ 0, 52, D3DDECLTYPE_FLOAT2, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 0 },
{ 0, 60, D3DDECLTYPE_FLOAT2, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 1 },
{ 0, 68, D3DDECLTYPE_UBYTE4, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_BLENDINDICES, 0 },
{ 0, 72, D3DDECLTYPE_UBYTE4N, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_BLENDWEIGHT, 0 },
D3DDECL_END()
};
return decl;
}
};
//---------------------------------------------------------------
// FVF vertex structure used for normals
//---------------------------------------------------------------
struct LineVertex
{
aiVector3D vPosition;
DWORD dColorDiffuse;
// retrieves the FVF code of the vertex type
static DWORD GetFVF()
{
return D3DFVF_DIFFUSE | D3DFVF_XYZ;
}
};
//---------------------------------------------------------------
// Helper class to store GPU related resources created for
// a given aiMesh
//---------------------------------------------------------------
class MeshHelper
{
public:
MeshHelper()
:
eShadingMode(),
piVB( NULL ),
piIB( NULL ),
piVBNormals( NULL ),
piEffect( NULL ),
bSharedFX( false ),
piDiffuseTexture( NULL ),
piSpecularTexture( NULL ),
piAmbientTexture( NULL ),
piEmissiveTexture( NULL ),
piNormalTexture( NULL ),
piOpacityTexture( NULL ),
piShininessTexture( NULL ),
piLightmapTexture( NULL ),
fOpacity(),
fShininess(),
fSpecularStrength(),
twosided( false ),
pvOriginalNormals( NULL )
{}
~MeshHelper()
{
// NOTE: This is done in DeleteAssetData()
// TODO: Make this a proper d'tor
}
// shading mode to use. Either Lambert or otherwise phong
// will be used in every case
aiShadingMode eShadingMode;
// vertex buffer
IDirect3DVertexBuffer9* piVB;
// index buffer. For partially transparent meshes
// created with dynamic usage to be able to update
// the buffer contents quickly
IDirect3DIndexBuffer9* piIB;
// vertex buffer to be used to draw vertex normals
// (vertex normals are generated in every case)
IDirect3DVertexBuffer9* piVBNormals;
// shader to be used
ID3DXEffect* piEffect;
bool bSharedFX;
// material textures
IDirect3DTexture9* piDiffuseTexture;
IDirect3DTexture9* piSpecularTexture;
IDirect3DTexture9* piAmbientTexture;
IDirect3DTexture9* piEmissiveTexture;
IDirect3DTexture9* piNormalTexture;
IDirect3DTexture9* piOpacityTexture;
IDirect3DTexture9* piShininessTexture;
IDirect3DTexture9* piLightmapTexture;
// material colors
D3DXVECTOR4 vDiffuseColor;
D3DXVECTOR4 vSpecularColor;
D3DXVECTOR4 vAmbientColor;
D3DXVECTOR4 vEmissiveColor;
// opacity for the material
float fOpacity;
// shininess for the material
float fShininess;
// strength of the specular highlight
float fSpecularStrength;
// two-sided?
bool twosided;
// Stores a pointer to the original normal set of the asset
aiVector3D* pvOriginalNormals;
};
// One instance per aiMesh in the globally loaded asset
MeshHelper** apcMeshes;
// Scene wrapper instance
aiScene* pcScene;
// Animation player to animate the scene if necessary
SceneAnimator* mAnimator;
// Specifies the normal set to be used
unsigned int iNormalSet;
// ------------------------------------------------------------------
// set the normal set to be used
void SetNormalSet( unsigned int iSet );
// ------------------------------------------------------------------
// flip all normal vectors
void FlipNormals();
void FlipNormalsInt();
};
}
#endif // !! IG