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diff --git a/MagicEx/l3ds.h b/MagicEx/l3ds.h
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-// copyright (c) 2001-2002 Lev Povalahev
-// this is a 3ds importer version 2
-
-#ifndef L3DS_H
-#define L3DS_H
-
-// includes
-#include <vector>
-#include <string>
-
-//---------------------------------------------------------
-
-typedef unsigned int uint;
-typedef unsigned char byte;
-
-enum LShading {sWireframe, sFlat, sGouraud, sPhong, sMetal};
-
-enum LOptimizationLevel {oNone, oSimple, oFull};
-
-// for internal use
-struct LChunk;
-struct LTri;
-
-//------------------------------------------------
-
-struct LVector4
-{
- float x;
- float y;
- float z;
- float w;
-
- int operator==(const LVector4& v) const { return x==v.x && y==v.y && z==v.z && w==v.w; }
-};
-
-struct LVector3
-{
- float x;
- float y;
- float z;
-
- int operator==(const LVector3& v) const { return x==v.x && y==v.y && z==v.z; }
-};
-
-struct LVector2
-{
- float x;
- float y;
-
- int operator==(const LVector2& v) const { return x==v.x && y==v.y; }
-};
-
-struct LColor3
-{
- float r;
- float g;
- float b;
-
- int operator==(const LColor3& v) const { return r==v.r && g==v.g && b==v.b; }
-};
-
-//------------------------------------------------
-
-struct LTriangle
-{
- unsigned short a;
- unsigned short b;
- unsigned short c;
-};
-
-struct LMatrix4
-{
- float m[4][4];
-};
-
-struct LTriangle2
-{
- LVector4 vertices[3];
- LVector3 vertexNormals[3];
- LVector2 textureCoords[3];
- LVector3 faceNormal;
- uint materialId;
-};
-
-// a structure for a texture map
-struct LMap
-{
- // the strength of the texture map
- float strength;
- // the file name of the map. only 8.3 format in 3ds files :(
- char mapName[255];
- float uScale;
- float vScale;
- float uOffset;
- float vOffset;
- float angle;
-};
-
-//------------------------------------------------
-
-class LObject
-{
-public:
- // the default constructor, initilializes the m_name here
- LObject();
- // the destructor frees memory (m_name)
- virtual ~LObject();
- // call this to get the name of the object
- virtual const std::string& GetName();
-
- // this methods should not be used by the "user", they're used internally to fill the class
- // with valid data when reading from file. If you're about to add an importer for another format you'LL
- // have to use these methods
- // call this to set the name of the object
- virtual void SetName(const std::string& value);
- // returns true if the object's name is the name passed as parameter
- bool IsObject(const std::string &name);
-protected:
- // the name of the object
- std::string m_name;
-};
-
-//------------------------------------------------
-
-class LMaterial : public LObject
-{
-public:
- // the default constructor, does the initialization
- LMaterial();
- // the destructor
- virtual ~LMaterial();
- // returns the material ID
- uint GetID();
- // returns the pointer to teh texture map 1
- LMap& GetTextureMap1();
- // returns the pointer to the texture map 2
- LMap& GetTextureMap2();
- // returns the pointer to teh opacity map
- LMap& GetOpacityMap();
- // returns the pointer to the specular (gloss) map
- LMap& GetSpecularMap();
- // returns the pointer to the bump map
- LMap& GetBumpMap();
- // returns the pointer to the reflection map
- LMap& GetReflectionMap();
- // returns the ambient color of the material
- LColor3 GetAmbientColor();
- // returns the diffuse color of the material
- LColor3 GetDiffuseColor();
- // returns the specular color of the material
- LColor3 GetSpecularColor();
- // returns the shininess of the material, ranging from 0(matte) to 1(shiny)
- float GetShininess();
- // returns the transparency of the material, ranging from 1(fully transparent) to 0(opaque)
- float GetTransparency();
- // returns the type of shading, see LShading type
- LShading GetShadingType();
-
- // this methods should not be used by the "user", they're used internally to fill the class
- // with valid data when reading from file. If you're about to add an importer for another format you'LL
- // have to use these methods
- // sets the material ID to "value"
- void SetID(uint value);
- // call this to set the ambient color of the material
- void SetAmbientColor(const LColor3 &color);
- // sets the diffuse color of the material
- void SetDiffuseColor(const LColor3 &color);
- // sets the specular color of the material
- void SetSpecularColor(const LColor3 &color);
- // sets the shininess of the material
- void SetShininess(float value);
- // sets the transparency of the material
- void SetTransparency(float value);
- // sets the shading type
- void SetShadingType(LShading shading);
-protected:
- // the unique material ID
- int m_id;
- // the first texture map
- LMap m_texMap1;
- // the second texture map
- LMap m_texMap2;
- // the opacity map
- LMap m_opacMap;
- // the reflection map
- LMap m_reflMap;
- // the bump map
- LMap m_bumpMap;
- // specular map
- LMap m_specMap;
- // material ambient color
- LColor3 m_ambient;
- // material diffuse color
- LColor3 m_diffuse;
- // material specular color
- LColor3 m_specular;
- // shininess
- float m_shininess;
- // transparency
- float m_transparency;
- // the shading type for the material
- LShading m_shading;
-};
-
-//------------------------------------------------
-
-class LMesh : public LObject
-{
-public:
- // the default constructor
- LMesh();
- // the destructor
- virtual ~LMesh();
- // clears the mesh, deleteing all data
- void Clear();
- // returns the number of vertices in the mesh
- uint GetVertexCount();
- // sets the the size fo the vertex array - for internal use
- void SetVertexArraySize(uint value);
- // returns the number of triangles in the mesh
- uint GetTriangleCount();
- // sets the size of the triangle array - for internal use
- void SetTriangleArraySize(uint value);
- // returns given vertex
- const LVector4& GetVertex(uint index);
- // returns the given normal
- const LVector3& GetNormal(uint index);
- // returns the given texture coordinates vector
- const LVector2& GetUV(uint index);
- // returns the pointer to the array of tangents
- const LVector3& GetTangent(uint index);
- // returns the pointer to the array of binormals
- const LVector3& GetBinormal(uint index);
- // sets the vertex at a given index to "vec" - for internal use
- void SetVertex(const LVector4 &vec, uint index);
- // sets the normal at a given index to "vec" - for internal use
- void SetNormal(const LVector3 &vec, uint index);
- // sets the texture coordinates vector at a given index to "vec" - for internal use
- void SetUV(const LVector2 &vec, uint index);
- // sets the tangent at a given index to "vec" - for internal use
- void SetTangent(const LVector3 &vec, uint index);
- // sets the binormal at a given index to "vec" - for internal use
- void SetBinormal(const LVector3 &vec, uint index);
- // returns the triangle with a given index
- const LTriangle& GetTriangle(uint index);
- // returns the triangle with a given index, see LTriangle2 structure description
- LTriangle2 GetTriangle2(uint index);
- // returns the mesh matrix, should be identity matrix after loading
- LMatrix4 GetMatrix();
- // sets the mesh matrix to a given matrix - for internal use
- void SetMatrix(LMatrix4 m);
- // optimizises the mesh using a given optimization level
- void Optimize(LOptimizationLevel value);
- // sets an internal triangle structure with index "index" - for internal use only
- void SetTri(const LTri &tri, uint index);
- // returns the pointer to the internal triangle structure - for internal use only
- LTri& GetTri(uint index);
- // returns the material id with a given index for the mesh
- uint GetMaterial(uint index);
- // adds a material to the mesh and returns its index - for internal use
- uint AddMaterial(uint id);
- // returns the number of materials used in the mesh
- uint GetMaterialCount();
-protected:
- // the vertices, normals, etc.
- std::vector<LVector4> m_vertices;
- std::vector<LVector3> m_normals;
- std::vector<LVector3> m_binormals;
- std::vector<LVector3> m_tangents;
- std::vector<LVector2> m_uv;
-
- // triangles
- std::vector<LTriangle> m_triangles;
-
- //used internally
- std::vector<LTri> m_tris;
-
- // the transformation matrix.
- LMatrix4 m_matrix;
-
- // the material ID array
- std::vector<uint> m_materials;
-
- // calculates the normals, either using the smoothing groups information or not
- void CalcNormals(bool useSmoothingGroups);
- // calculates the texture(tangent) space for each vertex
- void CalcTextureSpace();
- // transforms the vertices by the mesh matrix
- void TransformVertices();
-};
-
-//------------------------------------------------
-
-class LLight : public LObject
-{
-public:
- // the default constructor
- LLight();
- // the destructor
- virtual ~LLight();
- // clears the data the class holds
- void Clear();
- // sets the position of the light source - for internal use
- void SetPosition(LVector3 vec);
- // returns the position of the light source
- LVector3 GetPosition();
- // sets the color of the light - for internal use
- void SetColor(LColor3 color);
- // returns the color of the light
- LColor3 GetColor();
- // sets whether the light is a spotlight or not - internal use
- void SetSpotlight(bool value);
- // returns true if the light is a spotlight
- bool GetSpotlight();
- // sets the target of the light - internal use
- void SetTarget(LVector3 target);
- // returns the target of the spotlight
- LVector3 GetTarget();
- // sets the hotspot - internal use
- void SetHotspot(float value);
- // returns the hotspot
- float GetHotspot();
- // sets falloff - internal use
- void SetFalloff(float value);
- // returns falloff
- float GetFalloff();
-protected:
- LVector3 m_pos;
- LColor3 m_color;
- bool m_spotlight;
- LVector3 m_target;
- float m_hotspot;
- float m_falloff;
-};
-
-//------------------------------------------------
-
-class LImporter
-{
-public:
- // the default constructor
- LImporter();
- // the destructor
- virtual ~LImporter();
- // reads the model from a file, must be overriden by the child classes
- virtual bool LoadFile(const char *filename) = 0;
- // returns the number of meshes in the scene
- uint GetMeshCount();
- // returns the number of lights in the scene
- uint GetLightCount();
- // returns the number of materials in the scene
- uint GetMaterialCount();
- // returns a pointer to a mesh
- LMesh& GetMesh(uint index);
- // returns a pointer to a light at a given index
- LLight& GetLight(uint index);
- // returns the pointer to the material
- LMaterial& GetMaterial(uint index);
- // returns the pointer to the material with a given name, or NULL if the material was not found
- LMaterial* FindMaterial(const std::string &name);
- // returns the pointer to the mesh with a given name, or NULL if the mesh with such name
- // is not present in the scene
- LMesh* FindMesh(const std::string &name);
- // returns the pointer to the light with a given name, or NULL if not found
- LLight* FindLight(const std::string &name);
- // sets the optimization level to a given value
- void SetOptimizationLevel(LOptimizationLevel value);
- // returns the current optimization level
- LOptimizationLevel GetOptimizationLevel();
-protected:
- // the lights found in the scene
- std::vector<LLight> m_lights;
- // triangular meshes
- std::vector<LMesh> m_meshes;
- // the materials in the scene
- std::vector<LMaterial> m_materials;
- // level of optimization to perform on the meshes
- LOptimizationLevel m_optLevel;
- // clears all data.
- virtual void Clear();
-};
-//------------------------------------------------
-
-class L3DS : public LImporter
-{
-public:
- // the default contructor
- L3DS();
- // constructs the object and loads the file
- L3DS(const char *filename);
- // destructor
- virtual ~L3DS();
- // load 3ds file
- virtual bool LoadFile(const char *filename);
-protected:
- // used internally for reading
- char m_objName[100];
- // true if end of file is reached
- bool m_eof;
- // buffer for loading, used for speedup
- unsigned char *m_buffer;
- // the size of the buffer
- uint m_bufferSize;
- // the current cursor position in the buffer
- uint m_pos;
-
- // reads a short value from the buffer
- short ReadShort();
- // reads an int value from the buffer
- int ReadInt();
- // reads a char from the buffer
- char ReadChar();
- //reada a floatvalue from the buffer
- float ReadFloat();
- //reads an unsigned byte from the buffer
- byte ReadByte();
- //reads an asciiz string
- int ReadASCIIZ(char *buf, int max_count);
- // seek wihtin the buffer
- void Seek(int offset, int origin);
- // returns the position of the cursor
- uint Pos();
-
- // read the chunk and return it.
- LChunk ReadChunk();
- // read until given chunk is found
- bool FindChunk(LChunk &target, const LChunk &parent);
- // skip to the end of chunk "chunk"
- void SkipChunk(const LChunk &chunk);
- // goes to the beginning of the data in teh given chunk
- void GotoChunk(const LChunk &chunk);
-
- // the function read the color chunk (any of the color chunks)
- LColor3 ReadColor(const LChunk &chunk);
- // the function that read the percentage chunk and returns a float from 0 to 1
- float ReadPercentage(const LChunk &chunk);
- // this is where 3ds file is being read
- bool Read3DS();
- // read a light chunk
- void ReadLight(const LChunk &parent);
- // read a trimesh chunk
- void ReadMesh(const LChunk &parent);
- // reads the face list, face materials, smoothing groups... and fill rthe information into the mesh
- void ReadFaceList(const LChunk &chunk, LMesh &mesh);
- // reads the material
- void ReadMaterial(const LChunk &parent);
- // reads the map info and fills the given map with this information
- void ReadMap(const LChunk &chunk, LMap& map);
- // reads keyframer data of the OBJECT_NODE_TAG chunk
- void ReadKeyframeData(const LChunk &parent);
- // reads the keyheader structure from the current offset and returns the frame number
- long ReadKeyheader();
-};
-
-//---------------------------------------------------------
-
-#endif \ No newline at end of file
generated by cgit v1.1 at 2024-11-16 20:05:25 +0000