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mapcreate.cpp
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mapcreate.cpp
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#include <stdlib.h>
#include <iostream>
#include <fstream>
#include <string>
#include <sstream>
#include "terraincreator.h"
using namespace std;
#define helpParam 0 //Indicate -h parameter was used
#define usageError 1 //Indicate the program was called incorrectly
void printHelpMessage(int coutType);
void parseConfig(int* forestAgentNum, int* forestFrequency, char* forestChar, char* oceanChar,char* landChar,char* mountainChar,int* landFrequency,int* landAgentNum,int* mountainFrequency,int* mountainAgentNum);
int main(int argc,char* argv[])
{
//Constants to be read in from config file
/*
const char oceanChar = '~';
const char landChar = 'W';
const char mountainChar = '^';
const unsigned int landFrequency = 5000;
const unsigned int landAgentNum = 45;
const unsigned int mountainFrequency = 10000;
const unsigned int mountainAgentNum = 500;
const unsigned int snakePattern = 0;
const unsigned int densePattern = 1;
//
*/
bool readFromStdin = false;
unsigned int paramFlag = 0; //Value to be incrementmented upon encountering a parameter flag
if(argc > 3) //Check for more than 3 arguments (implies a parameter flag)
{
for(int i = 0; i < argc; i++)
{
if(argv[i][0] == '-')
{
switch(argv[i][1])
{
case 'h':
printHelpMessage(helpParam);
paramFlag++;
return 0;
break;
case 'i':
readFromStdin = true;
paramFlag++;
break;
default:
printHelpMessage(usageError);
return 1;
break;
}
}
else break;
}
}
else if(argc < 3)
{
printHelpMessage(usageError);
return 1;
}
char oceanChar;
char landChar;
char mountainChar;
char forestChar;
int landFrequency;
int landAgentNum;
int mountainFrequency;
int mountainAgentNum;
int forestFrequency;
int forestAgentNum;
if(readFromStdin)
{
cin >> oceanChar;
cin >> landChar;
cin >> mountainChar;
cin >> landFrequency;
cin >> landAgentNum;
cin >> mountainFrequency;
cin >> mountainAgentNum;
}
else
{
parseConfig(&forestAgentNum, &forestFrequency, &forestChar,&oceanChar,&landChar,&mountainChar,&landFrequency,&landAgentNum,&mountainFrequency,&mountainAgentNum);
}
//ifstream configFile(argv[1]);
unsigned int xSize = atoi(argv[1 + paramFlag]); //Read in the x-size of the map
unsigned int ySize = atoi(argv[2 + paramFlag]); //Read in the y-size of the map
//cout << endl << "xSize = " << xSize;
//cout << endl << "ySize = " << ySize;
//char map[(xSize+1)*(ySize+1)];
terrainCreator map(xSize, ySize);
map.fillMap(oceanChar);
map.createFeature(landAgentNum, landChar, oceanChar, landFrequency);
map.smoothFeature(landChar, oceanChar);
map.smoothFeature(landChar, oceanChar);
map.createFeature(mountainAgentNum, mountainChar, landChar, mountainFrequency);
map.smoothFeature(mountainChar, landChar);
map.createFeature(forestAgentNum, forestChar, landChar, forestFrequency);
map.smoothFeature(forestChar, landChar);
cout << map.printMap();
}
//Function:
// printHelpMessage
//
//Description:
// Prints a help message on program parameter errors or -h parameter used
//
//Preconditions:
// Understanding by user of what output stream they want to print to
//
//Arguments:
// int coutType - flag differntiating between std error and std out for the help message
//
//Postconditions:
// Help message is printed to the screen
//
//Returns:
// None
//
void printHelpMessage(int coutType)
{
if(coutType == 0)
{
cout << "Usage: mapcreate [OPTION] <integer-x-dimension> <integer-y-dimension>." << endl << endl;
cout << "Options:" << endl;
cout << "-h display this help message" << endl;
cout << "-i read config from stdin" << endl;
}
else
{
cerr << "Usage: mapcreate [OPTION] <integer-x-dimension> <integer-y-dimension>." << endl << endl;
cerr << "Options:" << endl;
cerr << "-h display this help message" << endl;
cerr << "-i read config from stdin" << endl;
}
}
//Function:
// parseConfig
//
//Description:
// Parses input data from the config file
//
//Preconditions:
// config file exists
//
//Arguments:
// char* oceanChar,char* landChar,char* mountainChar,int* landFrequency,int* landAgentNum,int* mountainFrequency,int* mountainAgentNum
//
//Postconditions:
//
//
//Returns:
//
//
void parseConfig(int* forestAgentNum, int* forestFrequency, char* forestChar, char* oceanChar,char* landChar,char* mountainChar,int* landFrequency,int* landAgentNum,int* mountainFrequency,int* mountainAgentNum)
{
ifstream configFile ("./config");
if(configFile.fail())
{
cerr << "MapCreate: Error: Can't find config file.";
}
const int numParams = 11;
string configParams[numParams] =
{
"plains_character",
"mountain_character",
"forest_character",
"ocean_character",
"river_character",
"landFrequency",
"landAgentNum",
"mountainFrequency",
"mountainAgentNum",
"forestFrequency",
"forestAgentNum"
};
string line;
int lineLocation;
int lineEnd;
for(int i = 0; i < numParams;i++)
{
if(configFile.eof()) break;
getline(configFile, line);
lineLocation = line.find(configParams[i]);
if(lineLocation >= 0)
{
lineLocation = line.find_first_of(39); //look for apostrophe
lineEnd = line.find_last_of(39);
istringstream tempStream(line.substr(lineLocation+1, lineEnd-lineLocation-1));
switch(i)
{
case 0:
tempStream >> (*landChar);
break;
case 1:
tempStream >> (*mountainChar);
break;
case 2:
tempStream >> (*forestChar);
break;
case 3:
tempStream >> (*oceanChar);
break;
case 4:
//river
break;
case 5:
tempStream >> (*landFrequency);
break;
case 6:
tempStream >> (*landAgentNum);
break;
case 7:
tempStream >> (*mountainFrequency);
break;
case 8:
tempStream >> (*mountainAgentNum);
break;
case 9:
tempStream >> (*forestFrequency);
break;
case 10:
tempStream >> (*forestAgentNum);
break;
default:
cerr << "MapCreate: Error: Something went wrong while parsing.";
}
} else i--;
}
}