C:/Marmalade/7.4/examples/GameTutorial/CPP/Stage2/source/Grid.h

// ---------------------------------------------------------------------------
// PLATFORM: All                                                             -
// PRODUCT: Fourplay                                                         -
// VISIBILITY: Public                                                        -
// ---------------------------------------------------------------------------
//                                                                           -
// PURPOSE: The grid that the discs will be fired into.                      -
//                                                                           -
// ---------------------------------------------------------------------------

#ifndef GRID_H
#define GRID_H

#include "GridColumn.h"
#include "PhysicsObject.h"
#include "RectangleCollider.h"

class Grid
{

public:
        Grid(CIwFVec2 position, 
                 int tileSize);

        ~Grid();

        void Draw();

        int GetNumberOfColliders();

        int GetNumberOfColumns();

        PhysicsObject* GetTopCollider(int index);

        RectangleCollider* GetColumnSideCollider(int index);

        PhysicsObject* GetColumnTopCollider(int index);
        
        float GetPositionOfNextEmptySquareInColumn(int index);

        int GetIndexOfNextEmptySquareInColumn(int index);

        void DecreaseEmptySquaresInColumn(int index);

        void SetColumnSquare(int column, 
                                                 int row, 
                                                 int colour);

        void PreventColumnOverflow(int index);

        bool IsColumnFull(int index);

        int CheckForWinner();

        void ClearGrid();

        void ToCharArray(char (&arr)[6][7]);

protected:
        static const int m_numColumns = 7;

        static const int m_numRows = 6;

        static const int m_numColliders = 8;

        static const int m_numSideColliders = 8;

        static const int m_numTopColliders = 7;

        CIwFVec2 m_position;

        GridColumn *m_columns[m_numColumns];

        PhysicsObject *m_colliders[m_numColliders];

        RectangleCollider *m_columnSideColliders[m_numSideColliders];

        PhysicsObject *m_columnTopColliders[m_numTopColliders];

        float m_colliderRadius;

        float m_colliderMass;

        enum Result { REDWIN = 1, YELLOWWIN = 2, DRAW = 3 };

        float m_sideColWidth;

        float m_sideColHeight;

        float m_topColliderRadius;
};

#endif