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Initial commit of Command & Conquer Renegade source code.

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LFeenanEA
2025-02-27 16:39:46 +00:00
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Code/Tools/LevelEdit/Grid3D.h Normal file
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/*
** Command & Conquer Renegade(tm)
** Copyright 2025 Electronic Arts Inc.
**
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/***********************************************************************************************
*** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ***
***********************************************************************************************
* *
* Project Name : LevelEdit *
* *
* $Archive:: /Commando/Code/Tools/LevelEdit/Grid3D.h $Modtime:: $*
* *
* $Revision:: 2 $*
* *
*---------------------------------------------------------------------------------------------*
* Functions: *
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#if defined(_MSC_VER)
#pragma once
#endif
#ifndef __GRID_3D_H
#define __GRID_3D_H
#include "Vector3.H"
#include "WWDebug.H"
//////////////////////////////////////////////////////////////////////////
//
// Grid3DClass
//
//////////////////////////////////////////////////////////////////////////
template<class T>
class Grid3DClass
{
public:
////////////////////////////////////////////////////////////////////
// Public constructors/destructors
////////////////////////////////////////////////////////////////////
Grid3DClass (void)
: m_GridSize (0, 0, 0),
m_Grid (NULL) { }
Grid3DClass (const Vector3 &grid_size, const T &inital_value)
: m_GridSize (0, 0, 0),
m_Grid (NULL) { Create_Grid (grid_size, inital_value); }
virtual ~Grid3DClass (void) { Free_Grid (); }
////////////////////////////////////////////////////////////////////
// Public methods
////////////////////////////////////////////////////////////////////
// Cell manipulation
T & Get_At (int x, int y, int z);
void Set_At (int x, int y, int z, const T &value);
// Allocation routines
void Create_Grid (const Vector3 &grid_size, const T &initial_value);
void Free_Grid (void);
// Information methods
Vector3 Get_Grid_Size (void) const { return m_GridSize; }
int Get_Cells_X (void) const { return m_GridSize.X; }
int Get_Cells_Y (void) const { return m_GridSize.Y; }
int Get_Cells_Z (void) const { return m_GridSize.Z; }
// 'Flat' methods, for enumerating every cell
T & Get_At_Flat (int index) { return m_Grid[index]; }
int Get_Flat_Size (void) const { return (m_GridSize.X * m_GridSize.Y * m_GridSize.Z); }
protected:
////////////////////////////////////////////////////////////////////
// Protected methods
////////////////////////////////////////////////////////////////////
virtual int Cell_Coord_To_Index (int x, int y, int z);
private:
////////////////////////////////////////////////////////////////////
// Private member data
////////////////////////////////////////////////////////////////////
T * m_Grid;
Vector3 m_GridSize;
};
//////////////////////////////////////////////////////////////////////////
//
// Create_Grid
//
//////////////////////////////////////////////////////////////////////////
template<class T>
inline void
Grid3DClass<T>::Create_Grid (const Vector3 &grid_size, const T &inital_value)
{
// Start fresh
Free_Grid ();
// Store the grid's dimensions
m_GridSize = grid_size;
//
// Allocate a flat array we can index into like a 3-D grid
//
int flat_size = m_GridSize.X * m_GridSize.Y * m_GridSize.Z;
WWASSERT ((flat_size * sizeof (T)) < 16000000L);
m_Grid = new T[flat_size];
//
// Initialize the grid cells
//
for (int index = 0; index < flat_size; index ++) {
m_Grid[index] = inital_value;
}
return ;
}
//////////////////////////////////////////////////////////////////////////
//
// Free_Grid
//
//////////////////////////////////////////////////////////////////////////
template<class T>
inline void
Grid3DClass<T>::Free_Grid (void)
{
if (m_Grid != NULL) {
delete m_Grid;
m_Grid = NULL;
}
m_GridSize.Set (0, 0, 0);
return ;
}
//////////////////////////////////////////////////////////////////////////
//
// Cell_Coord_To_Index
//
//////////////////////////////////////////////////////////////////////////
template<class T>
inline int
Grid3DClass<T>::Cell_Coord_To_Index (int x, int y, int z)
{
return (x + (y * m_GridSize.X) + (z * m_GridSize.X * m_GridSize.Y));
}
//////////////////////////////////////////////////////////////////////////
//
// Get_At
//
//////////////////////////////////////////////////////////////////////////
template<class T>
inline T &
Grid3DClass<T>::Get_At (int x, int y, int z)
{
WWASSERT (m_Grid != NULL);
WWASSERT ((x < m_GridSize.X) && (y < m_GridSize.Y) && (z < m_GridSize.Z));
return m_Grid[Cell_Coord_To_Index (x, y, z)];
}
//////////////////////////////////////////////////////////////////////////
//
// Set_At
//
//////////////////////////////////////////////////////////////////////////
template<class T>
inline void
Grid3DClass<T>::Set_At (int x, int y, int z, const T &value)
{
WWASSERT (m_Grid != NULL);
WWASSERT ((x < m_GridSize.X) && (y < m_GridSize.Y) && (z < m_GridSize.Z));
m_Grid[Cell_Coord_To_Index (x, y, z)] = value;
return ;
}
#endif //__GRID_3D_H