[2823] | 1 | /*! |
---|
[3360] | 2 | \file model.h |
---|
| 3 | \brief Contains the Model Class that handles 3D-Models |
---|
[2823] | 4 | */ |
---|
| 5 | |
---|
[3360] | 6 | #ifndef _MODEL_H |
---|
| 7 | #define _MODEL_H |
---|
[2773] | 8 | |
---|
[2776] | 9 | #include "material.h" |
---|
[3917] | 10 | #include "glincl.h" |
---|
[2748] | 11 | |
---|
[3427] | 12 | // FORWARD DEFINITION // |
---|
| 13 | class Array; |
---|
| 14 | class Vector; |
---|
[3910] | 15 | template<class T> class tList; |
---|
[3427] | 16 | |
---|
[3916] | 17 | //! an enumerator fot the different Model Types. |
---|
| 18 | /** |
---|
| 19 | MODEL_DISPLAY_LIST means, that a DisplayList will be built out of the model. This model will be STATIC, meaning it cannot be changed after initialisation. |
---|
| 20 | MODEL_VERTEX_ARRAY means, that a VertexArray will be built out of the model. This moel will be DYNAMIX, meaning that one can change the properties from outside of the model. |
---|
| 21 | */ |
---|
| 22 | typedef enum MODEL_TYPE {MODEL_DISPLAY_LIST, |
---|
| 23 | MODEL_VERTEX_ARRAY}; |
---|
[3910] | 24 | |
---|
| 25 | |
---|
[3657] | 26 | // definition of different modes for setting up Faces |
---|
| 27 | #define VERTEX 0 //!< If Faces are created WITH Vertex-Coordinate |
---|
| 28 | #define NORMAL 1 //!< If Faces are created WITH Normals (otherwise autocalculate) |
---|
| 29 | #define TEXCOORD 2 //!< If Faces are created WITH TextureCoordinate |
---|
[3894] | 30 | //! an enumerator for VERTEX_FORMAT |
---|
[3916] | 31 | typedef enum VERTEX_FORMAT {VERTEX_ONLY = VERTEX, |
---|
[3894] | 32 | VERTEX_NORMAL = NORMAL, |
---|
| 33 | VERTEX_TEXCOORD = TEXCOORD, |
---|
[3895] | 34 | VERTEX_TEXCOORD_NORMAL = NORMAL | TEXCOORD}; |
---|
[2842] | 35 | |
---|
[3360] | 36 | //! Class that handles 3D-Models. it can also read them in and display them. |
---|
| 37 | class Model |
---|
[2748] | 38 | { |
---|
[3910] | 39 | private: |
---|
| 40 | ///////////// |
---|
| 41 | // structs // |
---|
| 42 | ///////////// |
---|
[3186] | 43 | //! This is the placeholder of one Vertex beloning to a Face. |
---|
[3396] | 44 | struct FaceElement |
---|
[3063] | 45 | { |
---|
[3186] | 46 | int vertexNumber; //!< The number of the Vertex out of the Array* vertices, this vertex points to. |
---|
| 47 | int normalNumber; //!< The number of the Normal out of the Array* normals, this vertex points to. |
---|
| 48 | int texCoordNumber; //!< The number of the textureCoordinate out of the Array* vTexture, this vertex points to. |
---|
| 49 | FaceElement* next; //!< Point to the next FaceElement in this List. |
---|
[3063] | 50 | }; |
---|
| 51 | |
---|
[3186] | 52 | //! This is the placeholder of a Face belonging to a Group of Faces. |
---|
[3418] | 53 | struct Face |
---|
[3063] | 54 | { |
---|
[3186] | 55 | int vertexCount; //!< The Count of vertices this Face has. |
---|
| 56 | FaceElement* firstElem; //!< Points to the first Vertex (FaceElement) of this Face. |
---|
[3063] | 57 | |
---|
[3801] | 58 | Material* material; //!< The Material to use. |
---|
[3063] | 59 | |
---|
[3186] | 60 | Face* next; //!< Pointer to the next Face. |
---|
| 61 | }; |
---|
[3063] | 62 | |
---|
[3360] | 63 | //! Group to handle multiple Models per obj-file. |
---|
[2850] | 64 | struct Group |
---|
| 65 | { |
---|
[3186] | 66 | char* name; //!< the Name of the Group. this is an identifier, that can be accessed via the draw (char* name) function. |
---|
[2850] | 67 | |
---|
[3917] | 68 | GLubyte* indices; //!< The indices of the Groups. Needed for vertex-arrays |
---|
| 69 | GLuint listNumber; //!< The number of the GL-List this Group gets. |
---|
[3186] | 70 | Face* firstFace; //!< The first Face in this group. |
---|
| 71 | Face* currentFace; //!< The current Face in this Group (the one we are currently working with.) |
---|
| 72 | int faceMode; //!< The Mode the Face is in: initially -1, 0 for FaceList opened, 1 for Material, 3 for triangle, 4 for Quad, 5+ for Poly \todo ENUM... |
---|
| 73 | int faceCount; //!< The Number of Faces this Group holds. |
---|
[2850] | 74 | |
---|
[3186] | 75 | Group* next; //!< Pointer to the next Group. |
---|
[3063] | 76 | }; |
---|
[2850] | 77 | |
---|
[3910] | 78 | char* name; //!< This is the name of the Model. |
---|
[3916] | 79 | MODEL_TYPE type; |
---|
[3910] | 80 | bool finalized; //!< Sets the Object to be finalized. |
---|
[3063] | 81 | |
---|
[3186] | 82 | Array* vertices; //!< The Array that handles the Vertices. |
---|
| 83 | int verticesCount; //!< A global Counter for vertices. |
---|
| 84 | Array* normals; //!< The Array that handles the Normals. |
---|
| 85 | Array* vTexture; //!< The Array that handles the VertexTextureCoordinates. |
---|
[3063] | 86 | |
---|
[3186] | 87 | Group* firstGroup; //!< The first of all groups. |
---|
| 88 | Group* currentGroup; //!< The currentGroup. this is the one we will work with. |
---|
| 89 | int groupCount; //!< The Count of Groups. |
---|
[2850] | 90 | |
---|
[3916] | 91 | tList<Material>* materialList; |
---|
| 92 | |
---|
| 93 | |
---|
[2850] | 94 | bool initGroup(Group* group); |
---|
[3066] | 95 | bool initFace (Face* face); |
---|
[3910] | 96 | |
---|
[3911] | 97 | bool buildVertexNormals(void); |
---|
| 98 | |
---|
[3916] | 99 | bool importToDisplayList(void); |
---|
[3911] | 100 | bool addGLElement(FaceElement* elem); |
---|
| 101 | |
---|
[3916] | 102 | bool importToVertexArray(void); |
---|
| 103 | |
---|
| 104 | bool deleteArrays(void); |
---|
[3911] | 105 | bool cleanup(void); |
---|
[3066] | 106 | bool cleanupGroup(Group* group); |
---|
| 107 | bool cleanupFace(Face* face); |
---|
[3068] | 108 | bool cleanupFaceElement(FaceElement* faceElem); |
---|
[2850] | 109 | |
---|
[3910] | 110 | |
---|
| 111 | protected: |
---|
| 112 | float scaleFactor; //!< The Factor with which the Model should be scaled. \todo maybe one wants to scale the Model after Initialisation |
---|
| 113 | |
---|
[3913] | 114 | Material* findMaterialByName(const char* materialName); |
---|
| 115 | |
---|
[3910] | 116 | void cubeModel(void); |
---|
| 117 | |
---|
[3398] | 118 | public: |
---|
[3916] | 119 | Model(const char* modelName = NULL, MODEL_TYPE type = MODEL_DISPLAY_LIST); |
---|
[3910] | 120 | virtual ~Model(void); |
---|
| 121 | |
---|
| 122 | void setName(const char* name); |
---|
| 123 | inline const char* getName() {return this->name;} |
---|
| 124 | |
---|
| 125 | void draw(void) const; |
---|
| 126 | void draw(int groupNumber) const; |
---|
| 127 | void draw(char* groupName) const; |
---|
| 128 | int getGroupCount() const; |
---|
| 129 | |
---|
[3913] | 130 | Material* addMaterial(Material* material); |
---|
| 131 | Material* addMaterial(const char* materialName); |
---|
| 132 | |
---|
[3894] | 133 | bool addGroup(const char* groupString); |
---|
[3909] | 134 | bool addVertex(const char* vertexString); |
---|
[3894] | 135 | bool addVertex(float x, float y, float z); |
---|
[3909] | 136 | bool addFace(const char* faceString); |
---|
[3895] | 137 | bool addFace(int faceElemCount, VERTEX_FORMAT type, ...); |
---|
[3909] | 138 | bool addVertexNormal(const char* normalString); |
---|
[3894] | 139 | bool addVertexNormal(float x, float y, float z); |
---|
[3909] | 140 | bool addVertexTexture(const char* vTextureString); |
---|
[3894] | 141 | bool addVertexTexture(float u, float v); |
---|
[3913] | 142 | bool setMaterial(const char* mtlString); |
---|
| 143 | bool setMaterial(Material* mtl); |
---|
[3398] | 144 | void finalize(void); |
---|
[2748] | 145 | }; |
---|
[2773] | 146 | |
---|
| 147 | #endif |
---|