* Adjustment: Initial CMake reworking.

Engine/lib/assimp/tools/assimp_view/AssetHelper.h

@@ -0,0 +1,236 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2022, 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();
+};
+} // namespace AssimpView
+
+#endif // !! IG