model.h

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// Neurosis Engine - LP23.com
// Copyright © Luigi Pino. All rights reserved.

/***************************************************************************/

#ifndef _NEUROSIS_ENGINE_MODEL_H_
#define _NEUROSIS_ENGINE_MODEL_H_

/***************************************************************************/

struct SRenderBatch {
  float mTextureX, mTextureY;
  float mColorR, mColorG, mColorB, mColorA;
  float mNormalX, mNormalY, mNormalZ;
  float mVertexX, mVertexY, mVertexZ;
};

/***************************************************************************/

class CNeurosisPoints {
  public:
    CNeurosisPoints();
    ~CNeurosisPoints();

    void  operator= (CNeurosisPoints &rhs);
    bool  operator== (CNeurosisPoints rhs);
    bool  operator!= (CNeurosisPoints rhs);

    void  Initialize();

    color3  mColor;
    float3  mPosition;
};

/***************************************************************************/

class CNeurosisTriangles {
  public:
    CNeurosisTriangles();
    ~CNeurosisTriangles();

    void  operator= (CNeurosisTriangles &rhs);
    bool  operator== (CNeurosisTriangles rhs);
    bool  operator!= (CNeurosisTriangles rhs);

    void  Initialize();

    float   mTransparency;                            // Transparency [0.0f..1.0f]
    float3  mCenter;                                  // Center
    float3  mNormal;                                  // Normal
    float3  mSideNormals[3];                          // Normal of corresponding sides
    float3  mPercent[3];                              // Texture coordinates
    int     iMesh;                                    // Mesh index
    int     iTexture;                                 // Texture index
    int     mPoint[3];                                // CNeurosisPoints index reference
};

/***************************************************************************/

class CNeurosisModel {
  public:
    CNeurosisModel();
    ~CNeurosisModel();

    void  operator= (CNeurosisModel &rhs);

    int     Add_Point(float3 *newPoint, bool duplicateCheck = true);
    int     Add_Triangle(int point0, int point1, int point2);
    void    Add_Triangle(int iTexture, float bottomLeftX, float bottomLeftY, float bottomLeftZ, float topRightX, float topRightY, float topRightZ, float topLeftX, float topLeftY, float topLeftZ, float bottomLeftPercentX = 0.0f, float bottomLeftPercentY = 0.0f, float topRightPercentX = 1.0f, float topRightPercentY = 1.0f, float topLeftPercentX = 0.0f, float topLeftPercentY = 1.0f);
    void    Add_Quad(int iTexture, float bottomLeftX, float bottomLeftY, float bottomLeftZ, float bottomRightX, float bottomRightY, float bottomRightZ, float topRightX, float topRightY, float topRightZ, float topLeftX, float topLeftY, float topLeftZ, float bottomLeftPercentX = 0.0f, float bottomLeftPercentY = 0.0f, float bottomRightPercentX = 1.0f, float bottomRightPercentY = 0.0f, float topRightPercentX = 1.0f, float topRightPercentY = 1.0f, float topLeftPercentX = 0.0f, float topLeftPercentY = 1.0f);
    void    Calculate_Centers();
    void    Calculate_Normals();
    void    Calculate_Radius();
    bool    File_Load(char *filename);
    bool    File_Save(char *filename);
    float   Get_Mass();
    int     Get_Total_Triangles();
    int     Get_Total_Points();
    float   Get_Transparency(int iTriangle);
    void    Move(float3 *amount, bool modifyPoints = true);
    bool    Oct_Tree(int iTriangle, CNeurosisModel *destModel, float3 *highBound, float3 *lowBound);
    float   Plane_Distance(int iTriangle, int iNormal, float3 *point);
    int     Plane_Orientation(int iTriangle, int iNormal, float3 *point);
    float3  Polygon_Get_Position(int iTriangle, int iPoint);
    int     Polygon_Orientation(int iTriangle, float3 *point);
    int     Remove_Point(int index);
    int     Remove_Triangle(int index);
    void    Render(int iTriangle = -1, int iMesh = -1, bool isTextured = true);
    int     Render_Batch(int iArray, SRenderBatch batch[], int iMesh = -1);
    void    Resize_Points(int newSize);
    void    Resize_Triangles(int newSize);
    void    Rotate_x(float amount);
    void    Rotate_y(float amount);
    void    Rotate_z(float amount);
    void    Set_Mass(float amount);
    void    Set_Transparency(float amount, int iTriangle = -1);

    CNeurosisPoints     *pPoints;                     // Point memory
    CNeurosisTriangles  *pTriangles;                  // Triangle memory

    float               mRadius;                      // Radius
    float3              mBase;                        // Base point
    float3              mCurrent;                     // Current position
    float3              mPrevious;                    // Previous position
    float3              mVector;                      // Movement vector

  private:
    float               mMass;                        // Mass [min 0.0f]
    int                 mTotalPoints;                 // Total points
    int                 mTotalTriangles;              // Total triangles
};

/***************************************************************************/
#endif