Initiual commit: AssetImporter source moved from ZFXCE repository to its own repository. PLease do not use the ZFXCE repo any more.

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@1 67173fc5-114c-0410-ac8e-9d2fd5bffc1f

code/3DSLoader.h

@@ -0,0 +1,235 @@
+/** @file Definition of the .3ds importer class. */
+#ifndef AI_3DSIMPORTER_H_INC
+#define AI_3DSIMPORTER_H_INC
+
+#include <map>
+
+#include "BaseImporter.h"
+
+#include "../include/aiTypes.h"
+
+struct aiNode;
+
+#include "3DSHelper.h"
+namespace Assimp
+{
+	class MaterialHelper;
+
+	using namespace Dot3DS;
+
+	// ---------------------------------------------------------------------------
+	/** The Dot3DSImporter is a worker class capable of importing a scene from a
+	* 3ds Max 4/5 File (.3ds)
+	*/
+	class Dot3DSImporter : public BaseImporter
+	{
+		friend class Importer;
+
+	protected:
+		/** Constructor to be privately used by Importer */
+		Dot3DSImporter();
+
+		/** Destructor, private as well */
+		~Dot3DSImporter();
+
+	public:
+		// -------------------------------------------------------------------
+		/** Returns whether the class can handle the format of the given file. 
+		* See BaseImporter::CanRead() for details.	*/
+		bool CanRead( const std::string& pFile, IOSystem* pIOHandler) const;
+
+	protected:
+		// -------------------------------------------------------------------
+		/** Imports the given file into the given scene structure. 
+		* See BaseImporter::InternReadFile() for details
+		*/
+		void InternReadFile( const std::string& pFile, aiScene* pScene, IOSystem* pIOHandler);
+
+
+		// -------------------------------------------------------------------
+		/** Converts a temporary material to the outer representation 
+		*/
+		void ConvertMaterial(Dot3DS::Material& p_cMat,
+			MaterialHelper& p_pcOut);
+
+
+		// -------------------------------------------------------------------
+		/** Read a chunk, get a pointer to it
+		*  The mCurrent pointer will be increased by sizeof(Dot3DSFile::Chunk),
+		* thus pointing directly to the data of the chunk
+		*/
+		void ReadChunk(const Dot3DSFile::Chunk** p_ppcOut);
+
+		// -------------------------------------------------------------------
+		/** Parse a percentage chunk. mCurrent will point to the next
+		* chunk behind afterwards. If no percentage chunk is found
+		* QNAN is returned.
+		*/
+		float ParsePercentageChunk();
+
+		// -------------------------------------------------------------------
+		/** Parse a color chunk. mCurrent will point to the next
+		* chunk behind afterwards. If no color chunk is found
+		* QNAN is returned in all members.
+		*/
+		void ParseColorChunk(aiColor3D* p_pcOut,
+			bool p_bAcceptPercent = true);
+
+
+		// -------------------------------------------------------------------
+		/** Skip a chunk in the file
+		*/
+		void SkipChunk();
+
+		// -------------------------------------------------------------------
+		/** Generate the nodegraph
+		*/
+		void GenerateNodeGraph(aiScene* pcOut);
+
+		// -------------------------------------------------------------------
+		/** Parse a main top-level chunk in the file
+		*/
+		void ParseMainChunk(int* piRemaining);
+
+		// -------------------------------------------------------------------
+		/** Parse a top-level chunk in the file
+		*/
+		void ParseChunk(int* piRemaining);
+
+		// -------------------------------------------------------------------
+		/** Parse a top-level editor chunk in the file
+		*/
+		void ParseEditorChunk(int* piRemaining);
+
+		// -------------------------------------------------------------------
+		/** Parse a top-level object chunk in the file
+		*/
+		void ParseObjectChunk(int* piRemaining);
+
+		// -------------------------------------------------------------------
+		/** Parse a material chunk in the file
+		*/
+		void ParseMaterialChunk(int* piRemaining);
+
+		// -------------------------------------------------------------------
+		/** Apply texture coordinate offsets
+		*/
+		void ApplyScaleNOffset();
+		void BakeScaleNOffset(aiMesh* pcMesh, Dot3DS::Material* pcSrc);
+
+		// -------------------------------------------------------------------
+		/** Parse a mesh chunk in the file
+		*/
+		void ParseMeshChunk(int* piRemaining);
+
+		// -------------------------------------------------------------------
+		/** Parse a face list chunk in the file
+		*/
+		void ParseFaceChunk(int* piRemaining);
+
+		// -------------------------------------------------------------------
+		/** Parse a keyframe chunk in the file
+		*/
+		void ParseKeyframeChunk(int* piRemaining);
+
+		// -------------------------------------------------------------------
+		/** Parse a hierarchy chunk in the file
+		*/
+		void ParseHierarchyChunk(int* piRemaining);
+
+		// -------------------------------------------------------------------
+		/** Parse a texture chunk in the file
+		*/
+		void ParseTextureChunk(int* piRemaining,Dot3DS::Texture* pcOut);
+
+		// -------------------------------------------------------------------
+		/** Convert the meshes in the file
+		*/
+		void ConvertMeshes(aiScene* pcOut);
+
+		// -------------------------------------------------------------------
+		/** Replace the default material in the scene
+		*/
+		void ReplaceDefaultMaterial();
+
+		// -------------------------------------------------------------------
+		/** Convert the whole scene
+		*/
+		void ConvertScene(aiScene* pcOut);
+
+		// -------------------------------------------------------------------
+		/** U/V Scaling/Offset handling
+		*/
+		void GenTexCoord (Dot3DS::Texture* pcTexture,
+			const std::vector<aiVector2D>& p_vIn,
+			std::vector<aiVector2D>& p_vOut);
+
+		// -------------------------------------------------------------------
+		/** generate normal vectors for a given mesh
+		*/
+		void GenNormals(Dot3DS::Mesh* sMesh);
+
+
+		// -------------------------------------------------------------------
+		/** generate unique vertices for a mesh
+		*/
+		void MakeUnique(Dot3DS::Mesh* sMesh);
+
+
+		// -------------------------------------------------------------------
+		/** Add a node to the node graph
+		*/
+		void AddNodeToGraph(aiScene* pcSOut,aiNode* pcOut,Dot3DS::Node* pcIn);
+
+		// -------------------------------------------------------------------
+		/** Search for a node in the graph.
+		* Called recursively
+		*/
+		void InverseNodeSearch(Dot3DS::Node* pcNode,Dot3DS::Node* pcCurrent);
+
+
+		// -------------------------------------------------------------------
+		/** Apply the master scaling factor to the mesh
+		*/
+		void ApplyMasterScale(aiScene* pScene);
+
+
+		// -------------------------------------------------------------------
+		/** Clamp all indices in the file to a valid range
+		*/
+		void Dot3DSImporter::CheckIndices(Dot3DS::Mesh* sMesh);
+
+
+	protected:
+		/** Buffer to hold the loaded file */
+		unsigned char* mBuffer;
+
+		/** Pointer to the current read position */
+		const unsigned char* mCurrent;
+
+		/** Used to store old chunk addresses to jump back in the file*/
+		const unsigned char* mLast;
+
+		/** Last touched node index */
+		short mLastNodeIndex;
+
+		/** Current node, root node */
+		Dot3DS::Node* mCurrentNode, *mRootNode;
+
+		/** Scene under construction */
+		Dot3DS::Scene* mScene;
+
+		/** Ambient base color of the scene */
+		aiColor3D mClrAmbient;
+
+		/** Master scaling factor of the scene */
+		float mMasterScale;
+
+		/** Path to the background image of the scene */
+		std::string mBackgroundImage;
+		bool bHasBG;
+	};
+
+} // end of namespace Assimp
+
+#endif // AI_3DSIMPORTER_H_INC