NvCloth 1.1.4 Release. (24070740)

1 files changed, 595 insertions, 0 deletions

diff --git a/NvCloth/samples/external/assimp-4.1.0/code/3DSHelper.h b/NvCloth/samples/external/assimp-4.1.0/code/3DSHelper.h
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+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2017, 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.
+
+----------------------------------------------------------------------
+*/
+
+/** @file Defines helper data structures for the import of 3DS files */
+
+#ifndef AI_3DSFILEHELPER_H_INC
+#define AI_3DSFILEHELPER_H_INC
+
+#include "SpatialSort.h"
+#include "SmoothingGroups.h"
+#include "StringUtils.h"
+#include "qnan.h"
+#include <assimp/material.h>
+#include <assimp/camera.h>
+#include <assimp/light.h>
+#include <assimp/anim.h>
+#include <stdio.h> //sprintf
+
+namespace Assimp    {
+namespace D3DS  {
+
+#include "./../include/assimp/Compiler/pushpack1.h"
+
+// ---------------------------------------------------------------------------
+/** Discreet3DS class: Helper class for loading 3ds files. Defines chunks
+*  and data structures.
+*/
+class Discreet3DS {
+private:
+    Discreet3DS() {
+        // empty
+    }
+
+    ~Discreet3DS() {
+        // empty
+    }
+
+public:
+    //! data structure for a single chunk in a .3ds file
+    struct Chunk {
+        uint16_t    Flag;
+        uint32_t    Size;
+    } PACK_STRUCT;
+
+
+    //! Used for shading field in material3ds structure
+    //! From AutoDesk 3ds SDK
+    typedef enum
+    {
+        // translated to gouraud shading with wireframe active
+        Wire = 0x0,
+
+        // if this material is set, no vertex normals will
+        // be calculated for the model. Face normals + gouraud
+        Flat = 0x1,
+
+        // standard gouraud shading
+        Gouraud = 0x2,
+
+        // phong shading
+        Phong = 0x3,
+
+        // cooktorrance or anistropic phong shading ...
+        // the exact meaning is unknown, if you know it
+        // feel free to tell me ;-)
+        Metal = 0x4,
+
+        // required by the ASE loader
+        Blinn = 0x5
+    } shadetype3ds;
+
+    // Flags for animated keys
+    enum
+    {
+        KEY_USE_TENS         = 0x1,
+        KEY_USE_CONT         = 0x2,
+        KEY_USE_BIAS         = 0x4,
+        KEY_USE_EASE_TO      = 0x8,
+        KEY_USE_EASE_FROM    = 0x10
+    } ;
+
+    enum
+    {
+
+        // ********************************************************************
+        // Basic chunks which can be found everywhere in the file
+        CHUNK_VERSION   = 0x0002,
+        CHUNK_RGBF      = 0x0010,       // float4 R; float4 G; float4 B
+        CHUNK_RGBB      = 0x0011,       // int1 R; int1 G; int B
+
+        // Linear color values (gamma = 2.2?)
+        CHUNK_LINRGBF      = 0x0013,    // float4 R; float4 G; float4 B
+        CHUNK_LINRGBB      = 0x0012,    // int1 R; int1 G; int B
+
+        CHUNK_PERCENTW  = 0x0030,       // int2   percentage
+        CHUNK_PERCENTF  = 0x0031,       // float4  percentage
+        CHUNK_PERCENTD  = 0x0032,       // float8  percentage
+        // ********************************************************************
+
+        // Prj master chunk
+        CHUNK_PRJ       = 0xC23D,
+
+        // MDLI master chunk
+        CHUNK_MLI       = 0x3DAA,
+
+        // Primary main chunk of the .3ds file
+        CHUNK_MAIN      = 0x4D4D,
+
+        // Mesh main chunk
+        CHUNK_OBJMESH   = 0x3D3D,
+
+        // Specifies the background color of the .3ds file
+        // This is passed through the material system for
+        // viewing purposes.
+        CHUNK_BKGCOLOR  = 0x1200,
+
+        // Specifies the ambient base color of the scene.
+        // This is added to all materials in the file
+        CHUNK_AMBCOLOR  = 0x2100,
+
+        // Specifies the background image for the whole scene
+        // This value is passed through the material system
+        // to the viewer
+        CHUNK_BIT_MAP   = 0x1100,
+        CHUNK_BIT_MAP_EXISTS  = 0x1101,
+
+        // ********************************************************************
+        // Viewport related stuff. Ignored
+        CHUNK_DEFAULT_VIEW = 0x3000,
+        CHUNK_VIEW_TOP = 0x3010,
+        CHUNK_VIEW_BOTTOM = 0x3020,
+        CHUNK_VIEW_LEFT = 0x3030,
+        CHUNK_VIEW_RIGHT = 0x3040,
+        CHUNK_VIEW_FRONT = 0x3050,
+        CHUNK_VIEW_BACK = 0x3060,
+        CHUNK_VIEW_USER = 0x3070,
+        CHUNK_VIEW_CAMERA = 0x3080,
+        // ********************************************************************
+
+        // Mesh chunks
+        CHUNK_OBJBLOCK  = 0x4000,
+        CHUNK_TRIMESH   = 0x4100,
+        CHUNK_VERTLIST  = 0x4110,
+        CHUNK_VERTFLAGS = 0x4111,
+        CHUNK_FACELIST  = 0x4120,
+        CHUNK_FACEMAT   = 0x4130,
+        CHUNK_MAPLIST   = 0x4140,
+        CHUNK_SMOOLIST  = 0x4150,
+        CHUNK_TRMATRIX  = 0x4160,
+        CHUNK_MESHCOLOR = 0x4165,
+        CHUNK_TXTINFO   = 0x4170,
+        CHUNK_LIGHT     = 0x4600,
+        CHUNK_CAMERA    = 0x4700,
+        CHUNK_HIERARCHY = 0x4F00,
+
+        // Specifies the global scaling factor. This is applied
+        // to the root node's transformation matrix
+        CHUNK_MASTER_SCALE    = 0x0100,
+
+        // ********************************************************************
+        // Material chunks
+        CHUNK_MAT_MATERIAL  = 0xAFFF,
+
+            // asciiz containing the name of the material
+            CHUNK_MAT_MATNAME   = 0xA000,
+            CHUNK_MAT_AMBIENT   = 0xA010, // followed by color chunk
+            CHUNK_MAT_DIFFUSE   = 0xA020, // followed by color chunk
+            CHUNK_MAT_SPECULAR  = 0xA030, // followed by color chunk
+
+            // Specifies the shininess of the material
+            // followed by percentage chunk
+            CHUNK_MAT_SHININESS  = 0xA040,
+            CHUNK_MAT_SHININESS_PERCENT  = 0xA041 ,
+
+            // Specifies the shading mode to be used
+            // followed by a short
+            CHUNK_MAT_SHADING  = 0xA100,
+
+            // NOTE: Emissive color (self illumination) seems not
+            // to be a color but a single value, type is unknown.
+            // Make the parser accept both of them.
+            // followed by percentage chunk (?)
+            CHUNK_MAT_SELF_ILLUM = 0xA080,
+
+            // Always followed by percentage chunk  (?)
+            CHUNK_MAT_SELF_ILPCT = 0xA084,
+
+            // Always followed by percentage chunk
+            CHUNK_MAT_TRANSPARENCY = 0xA050,
+
+            // Diffuse texture channel 0
+            CHUNK_MAT_TEXTURE   = 0xA200,
+
+            // Contains opacity information for each texel
+            CHUNK_MAT_OPACMAP = 0xA210,
+
+            // Contains a reflection map to be used to reflect
+            // the environment. This is partially supported.
+            CHUNK_MAT_REFLMAP = 0xA220,
+
+            // Self Illumination map (emissive colors)
+            CHUNK_MAT_SELFIMAP = 0xA33d,
+
+            // Bumpmap. Not specified whether it is a heightmap
+            // or a normal map. Assme it is a heightmap since
+            // artist normally prefer this format.
+            CHUNK_MAT_BUMPMAP = 0xA230,
+
+            // Specular map. Seems to influence the specular color
+            CHUNK_MAT_SPECMAP = 0xA204,
+
+            // Holds shininess data.
+            CHUNK_MAT_MAT_SHINMAP = 0xA33C,
+
+            // Scaling in U/V direction.
+            // (need to gen separate UV coordinate set
+            // and do this by hand)
+            CHUNK_MAT_MAP_USCALE      = 0xA354,
+            CHUNK_MAT_MAP_VSCALE      = 0xA356,
+
+            // Translation in U/V direction.
+            // (need to gen separate UV coordinate set
+            // and do this by hand)
+            CHUNK_MAT_MAP_UOFFSET     = 0xA358,
+            CHUNK_MAT_MAP_VOFFSET     = 0xA35a,
+
+            // UV-coordinates rotation around the z-axis
+            // Assumed to be in radians.
+            CHUNK_MAT_MAP_ANG = 0xA35C,
+
+            // Tiling flags for 3DS files
+            CHUNK_MAT_MAP_TILING = 0xa351,
+
+            // Specifies the file name of a texture
+            CHUNK_MAPFILE   = 0xA300,
+
+            // Specifies whether a materail requires two-sided rendering
+            CHUNK_MAT_TWO_SIDE = 0xA081,
+        // ********************************************************************
+
+        // Main keyframer chunk. Contains translation/rotation/scaling data
+        CHUNK_KEYFRAMER     = 0xB000,
+
+        // Supported sub chunks
+        CHUNK_TRACKINFO     = 0xB002,
+        CHUNK_TRACKOBJNAME  = 0xB010,
+        CHUNK_TRACKDUMMYOBJNAME  = 0xB011,
+        CHUNK_TRACKPIVOT    = 0xB013,
+        CHUNK_TRACKPOS      = 0xB020,
+        CHUNK_TRACKROTATE   = 0xB021,
+        CHUNK_TRACKSCALE    = 0xB022,
+
+        // ********************************************************************
+        // Keyframes for various other stuff in the file
+        // Partially ignored
+        CHUNK_AMBIENTKEY    = 0xB001,
+        CHUNK_TRACKMORPH    = 0xB026,
+        CHUNK_TRACKHIDE     = 0xB029,
+        CHUNK_OBJNUMBER     = 0xB030,
+        CHUNK_TRACKCAMERA   = 0xB003,
+        CHUNK_TRACKFOV      = 0xB023,
+        CHUNK_TRACKROLL     = 0xB024,
+        CHUNK_TRACKCAMTGT   = 0xB004,
+        CHUNK_TRACKLIGHT    = 0xB005,
+        CHUNK_TRACKLIGTGT   = 0xB006,
+        CHUNK_TRACKSPOTL    = 0xB007,
+        CHUNK_FRAMES        = 0xB008,
+        // ********************************************************************
+
+        // light sub-chunks
+        CHUNK_DL_OFF                 = 0x4620,
+        CHUNK_DL_OUTER_RANGE         = 0x465A,
+        CHUNK_DL_INNER_RANGE         = 0x4659,
+        CHUNK_DL_MULTIPLIER          = 0x465B,
+        CHUNK_DL_EXCLUDE             = 0x4654,
+        CHUNK_DL_ATTENUATE           = 0x4625,
+        CHUNK_DL_SPOTLIGHT           = 0x4610,
+
+        // camera sub-chunks
+        CHUNK_CAM_RANGES             = 0x4720
+    };
+};
+
+// ---------------------------------------------------------------------------
+/** Helper structure representing a 3ds mesh face */
+struct Face : public FaceWithSmoothingGroup
+{
+};
+
+// ---------------------------------------------------------------------------
+/** Helper structure representing a texture */
+struct Texture
+{
+    //! Default constructor
+    Texture()
+        : mOffsetU  (0.0)
+        , mOffsetV  (0.0)
+        , mScaleU   (1.0)
+        , mScaleV   (1.0)
+        , mRotation (0.0)
+        , mMapMode  (aiTextureMapMode_Wrap)
+        , bPrivate()
+        , iUVSrc    (0)
+    {
+        mTextureBlend = get_qnan();
+    }
+
+    //! Specifies the blend factor for the texture
+    ai_real mTextureBlend;
+
+    //! Specifies the filename of the texture
+    std::string mMapName;
+
+    //! Specifies texture coordinate offsets/scaling/rotations
+    ai_real mOffsetU;
+    ai_real mOffsetV;
+    ai_real mScaleU;
+    ai_real mScaleV;
+    ai_real mRotation;
+
+    //! Specifies the mapping mode to be used for the texture
+    aiTextureMapMode mMapMode;
+
+    //! Used internally
+    bool bPrivate;
+    int iUVSrc;
+};
+
+#include "./../include/assimp/Compiler/poppack1.h"
+
+// ---------------------------------------------------------------------------
+/** Helper structure representing a 3ds material */
+struct Material
+{
+    //! Default constructor. Builds a default name for the material
+    Material()
+    : mDiffuse            ( ai_real( 0.6 ), ai_real( 0.6 ), ai_real( 0.6 ) ) // FIX ... we won't want object to be black
+    , mSpecularExponent   ( ai_real( 0.0 ) )
+    , mShininessStrength  ( ai_real( 1.0 ) )
+    , mShading(Discreet3DS::Gouraud)
+    , mTransparency       ( ai_real( 1.0 ) )
+    , mBumpHeight         ( ai_real( 1.0 ) )
+    , mTwoSided           (false)
+    {
+        static int iCnt = 0;
+
+        char szTemp[128];
+        ai_snprintf(szTemp, 128, "UNNAMED_%i",iCnt++);
+        mName = szTemp;
+    }
+
+    //! Name of the material
+    std::string mName;
+    //! Diffuse color of the material
+    aiColor3D mDiffuse;
+    //! Specular exponent
+    ai_real mSpecularExponent;
+    //! Shininess strength, in percent
+    ai_real mShininessStrength;
+    //! Specular color of the material
+    aiColor3D mSpecular;
+    //! Ambient color of the material
+    aiColor3D mAmbient;
+    //! Shading type to be used
+    Discreet3DS::shadetype3ds mShading;
+    //! Opacity of the material
+    ai_real mTransparency;
+    //! Diffuse texture channel
+    Texture sTexDiffuse;
+    //! Opacity texture channel
+    Texture sTexOpacity;
+    //! Specular texture channel
+    Texture sTexSpecular;
+    //! Reflective texture channel
+    Texture sTexReflective;
+    //! Bump texture channel
+    Texture sTexBump;
+    //! Emissive texture channel
+    Texture sTexEmissive;
+    //! Shininess texture channel
+    Texture sTexShininess;
+    //! Scaling factor for the bump values
+    ai_real mBumpHeight;
+    //! Emissive color
+    aiColor3D mEmissive;
+    //! Ambient texture channel
+    //! (used by the ASE format)
+    Texture sTexAmbient;
+    //! True if the material must be rendered from two sides
+    bool mTwoSided;
+};
+
+// ---------------------------------------------------------------------------
+/** Helper structure to represent a 3ds file mesh */
+struct Mesh : public MeshWithSmoothingGroups<D3DS::Face>
+{
+    //! Default constructor
+    Mesh()
+    {
+        static int iCnt = 0;
+
+        // Generate a default name for the mesh
+        char szTemp[128];
+        ai_snprintf(szTemp, 128, "UNNAMED_%i",iCnt++);
+        mName = szTemp;
+    }
+
+    //! Name of the mesh
+    std::string mName;
+
+    //! Texture coordinates
+    std::vector<aiVector3D> mTexCoords;
+
+    //! Face materials
+    std::vector<unsigned int> mFaceMaterials;
+
+    //! Local transformation matrix
+    aiMatrix4x4 mMat;
+};
+
+// ---------------------------------------------------------------------------
+/** Float key - quite similar to aiVectorKey and aiQuatKey. Both are in the
+    C-API, so it would be difficult to make them a template. */
+struct aiFloatKey
+{
+    double mTime;      ///< The time of this key
+    ai_real mValue;   ///< The value of this key
+
+#ifdef __cplusplus
+
+    // time is not compared
+    bool operator == (const aiFloatKey& o) const
+        {return o.mValue == this->mValue;}
+
+    bool operator != (const aiFloatKey& o) const
+        {return o.mValue != this->mValue;}
+
+    // Only time is compared. This operator is defined
+    // for use with std::sort
+    bool operator < (const aiFloatKey& o) const
+        {return mTime < o.mTime;}
+
+    bool operator > (const aiFloatKey& o) const
+        {return mTime > o.mTime;}
+
+#endif
+};
+
+// ---------------------------------------------------------------------------
+/** Helper structure to represent a 3ds file node */
+struct Node
+{
+    Node():
+    	mParent(NULL)
+		,	mInstanceNumber(0)
+		,	mHierarchyPos		(0)
+		,	mHierarchyIndex		(0)
+		,	mInstanceCount		(1)
+    {
+        static int iCnt = 0;
+
+        // Generate a default name for the node
+        char szTemp[128];
+        ::ai_snprintf(szTemp, 128, "UNNAMED_%i",iCnt++);
+        mName = szTemp;
+
+        aRotationKeys.reserve (20);
+        aPositionKeys.reserve (20);
+        aScalingKeys.reserve  (20);
+    }
+
+    ~Node()
+    {
+        for (unsigned int i = 0; i < mChildren.size();++i)
+            delete mChildren[i];
+    }
+
+    //! Pointer to the parent node
+    Node* mParent;
+
+    //! Holds all child nodes
+    std::vector<Node*> mChildren;
+
+    //! Name of the node
+    std::string mName;
+
+    //! InstanceNumber of the node
+    int32_t mInstanceNumber;
+
+    //! Dummy nodes: real name to be combined with the $$$DUMMY
+    std::string mDummyName;
+
+    //! Position of the node in the hierarchy (tree depth)
+    int16_t mHierarchyPos;
+
+    //! Index of the node
+    int16_t mHierarchyIndex;
+
+    //! Rotation keys loaded from the file
+    std::vector<aiQuatKey> aRotationKeys;
+
+    //! Position keys loaded from the file
+    std::vector<aiVectorKey> aPositionKeys;
+
+    //! Scaling keys loaded from the file
+    std::vector<aiVectorKey> aScalingKeys;
+
+
+    // For target lights (spot lights and directional lights):
+    // The position of the target
+    std::vector< aiVectorKey > aTargetPositionKeys;
+
+    // For cameras: the camera roll angle
+    std::vector< aiFloatKey > aCameraRollKeys;
+
+    //! Pivot position loaded from the file
+    aiVector3D vPivot;
+
+    //instance count, will be kept only for the first node
+    int32_t mInstanceCount;
+
+    //! Add a child node, setup the right parent node for it
+    //! \param pc Node to be 'adopted'
+    inline Node& push_back(Node* pc)
+    {
+        mChildren.push_back(pc);
+        pc->mParent = this;
+        return *this;
+    }
+};
+// ---------------------------------------------------------------------------
+/** Helper structure analogue to aiScene */
+struct Scene
+{
+    //! List of all materials loaded
+    //! NOTE: 3ds references materials globally
+    std::vector<Material> mMaterials;
+
+    //! List of all meshes loaded
+    std::vector<Mesh> mMeshes;
+
+    //! List of all cameras loaded
+    std::vector<aiCamera*> mCameras;
+
+    //! List of all lights loaded
+    std::vector<aiLight*> mLights;
+
+    //! Pointer to the root node of the scene
+    // --- moved to main class
+    // Node* pcRootNode;
+};
+
+
+} // end of namespace D3DS
+} // end of namespace Assimp
+
+#endif // AI_XFILEHELPER_H_INC