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Kukatz 3D
0.1
Török Attila szakdolgozata
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00001 /* 00002 * grid.cpp - Kukatz 3D 00003 * Copyright (c) 2011 - TÖRÖK Attila (torokati44@gmail.com) 00004 * 00005 * This software is provided 'as-is', without any express or implied 00006 * warranty. In no event will the authors be held liable for any damages 00007 * arising from the use of this software. 00008 * 00009 * Permission is granted to anyone to use this software for any purpose, 00010 * including commercial applications, and to alter it and redistribute it 00011 * freely, subject to the following restrictions: 00012 * 00013 * 1. The origin of this software must not be misrepresented; you must not 00014 * claim that you wrote the original software. If you use this software 00015 * in a product, an acknowledgment in the product documentation would be 00016 * appreciated but is not required. 00017 * 00018 * 2. Altered source versions must be plainly marked as such, and must not be 00019 * misrepresented as being the original software. 00020 * 00021 * 3. This notice may not be removed or altered from any source 00022 * distribution. 00023 */ 00024 00025 #include "grid.hpp" 00026 00027 #include <cstring> 00028 00029 Grid::Grid(unsigned int x_s, unsigned int y_s, unsigned int z_s): 00030 x_size(x_s), y_size(y_s), z_size(z_s) 00031 { 00032 cells = new GridCell[x_s * y_s * z_s]; 00033 memset(cells, 0, x_s * y_s * z_s * sizeof(GridCell)); 00034 memset(&invalid_cell, 0, sizeof(GridCell)); 00035 invalid_cell.type = GridCell::INVALID; 00036 } 00037 00038 GridCell& Grid::operator()(unsigned int x, unsigned int y, unsigned int z) 00039 { 00040 if ((x < x_size) && (y < y_size) && (z < z_size)) 00041 { 00042 return cells[x * y_size * z_size + y * z_size + z]; 00043 } 00044 else 00045 { 00046 memset(&invalid_cell, 0, sizeof(GridCell)); 00047 invalid_cell.type = GridCell::INVALID; 00048 00049 return invalid_cell; 00050 } 00051 } 00052 00053 GridCell& Grid::operator()(const sf::Vector3i& v) 00054 { 00055 if ( 00056 ((v.x < (int)x_size) && (v.y < (int)y_size) && (v.z < (int)z_size)) && 00057 ((v.x >= 0) && (v.y >= 0) && (v.z >= 0)) 00058 ) 00059 { 00060 return cells[v.x * y_size * z_size + v.y * z_size + v.z]; 00061 } 00062 else 00063 { 00064 memset(&invalid_cell, 0, sizeof(GridCell)); 00065 invalid_cell.type = GridCell::INVALID; 00066 00067 return invalid_cell; 00068 } 00069 } 00070 00071 Grid::~Grid() 00072 { 00073 delete[] cells; 00074 }