e19-01.cpp

游戏开发数据结构Data Structures for Game Programmers

// =======================================================
//  Chapter 19, Example 1
//  Converting a tilemap to the new map format.
// =======================================================
#include <iostream.h>
#include <stdio.h>
#include "Array3D.h"





void main()
{
    // name of the file to convert
    char filename[64];

    // the 4-layer 64x64 map
    Array3D<int> mapdata( 64, 64, 4 );

    // the exit strings
    char exits[3][64];


    // the type of map. 0 is a 64x64x2 tilemap with 2 extra layers
    // for items and people (see chapter 9).
    int maptype = 0;

    // the file to convert.
    FILE* f = 0;

    cout << "Enter a filename: ";
    cin >> filename;

    cout << "converting file...";

    f = fopen( filename, "rb" );

    // read in the map
    fread( mapdata.m_array, 64*64*4, sizeof(int), f );

    // read in the exit strings
    fread( exits[0], 64, sizeof(char), f );
    fread( exits[1], 64, sizeof(char), f );
    fread( exits[2], 64, sizeof(char), f );

    // close the file.
    fclose( f );


    // now save the data back to disk in the new format:
    f = fopen( filename, "wb" );

    // write the version number
    fwrite( &maptype, 1, sizeof(int), f );

    // write the map data
    fwrite( mapdata.m_array, 64*64*4, sizeof(int), f );

    // write the exit strings
    fwrite( exits[0], 64, sizeof(char), f );
    fwrite( exits[1], 64, sizeof(char), f );
    fwrite( exits[2], 64, sizeof(char), f );

    // close the file
    fclose( f );



}