Level.cpp

#include "Level.h"
#include <fstream>
#include <iostream>
#include <cstdio>
#include "Monster.h"
#include "windows.h"
#include "GamePanel.h"


//constructor
Level::Level() {

}

//loads the level from the file fileName
void Level::load(string fileName, Player &player) {

	//Loads the level
	ifstream file;

	//open the file and quit if it fails to open
	file.open(fileName);
	if (file.fail()) {
		cout << "There was an error openning this file." << endl;
		exit(1);
	}

	string line;

	while (getline(file, line)) {
		//adds the current line to _levelData 
		_levelData.push_back(line);
	}
	//close the file
	file.close();


	char tile;

	//process the level, .size() returns the number of elements
	for (int i = 0; i < _levelData.size(); i++) {
		//loop through each element in row i
		for (int j = 0; j < _levelData[i].size(); j++) {
			//current tile
			tile = _levelData[i][j];

			switch (tile) {
			case '@': //player is represented by a @ symbol
				player.setPosition(j, i); //set the position of the player
				break;
			case 'G': //goblin
				_monsters.push_back(Monster("Goblin", tile, 30, 15, 10, 15));
				_monsters.back().setPosition(j, i);
				break;
			case 'D': //dragon
				_monsters.push_back(Monster("Dragon", tile, 45, 28, 15, 18));
				_monsters.back().setPosition(j, i);
				break;
			case 'T': //troll
				_monsters.push_back(Monster("Troll", tile, 35, 25, 10, 15));
				_monsters.back().setPosition(j, i);
				break;
			case 'O': //ogre
				_monsters.push_back(Monster("Ogre", tile, 40, 20, 10, 10));
				_monsters.back().setPosition(j, i);
			case '#':
			case '.':
				break;
			default: //exception, unknown tile
				cout << "Warning unknown title" << endl;
				system("Pause");
				break;
			}
		}
	}
}


//print the level
void Level::print() {

	//CLEAR SCREEN!
	cout << string(100, '\n') << endl;
	//print each row, .size() returns the numb of rows
	for (int i = 0; i < _levelData.size(); i++) {
		cout << _levelData[i] << "\n";
	}
}

//player movement with input w,a,s,d
void Level::movePlayer(char input, Player &player) {

	int playerX;
	int playerY;

	//get player position using the reference parameters playerX and playerY
	player.getPosition(playerX, playerY);

	//deal with input
	switch (input) {

	case 'w': //up
	case 'W':
		processPlayerMove(player, playerX, playerY - 1);
		break;
	case 's': //down
	case 'S':
		processPlayerMove(player, playerX, playerY + 1);
		break;
	case 'a': //left
	case 'A':
		processPlayerMove(player, playerX - 1, playerY);
		break;
	case 'd': //right
	case 'D':
		processPlayerMove(player, playerX + 1, playerY);
		break;
	default: //invalid input
		cout << ("INVALID INPUT!\n") << endl;
		system("PAUSE");
		break;
	}

}


//get tile
char Level::getTile(int x, int y) {
	return _levelData[y][x];
}

//set tile
void Level::setTile(int x, int y, char tile) {
	_levelData[y][x] = tile;
}

//process the player movement
void Level::processPlayerMove(Player &player, int targetX, int targetY) {
	int playerX;
	int playerY;
	player.getPosition(playerX, playerY);

	//get the tile where the player is moving to
	char moveTile = getTile(targetX, targetY);

	//process tile
	switch (moveTile) {
	case '.': //if its a '.' symbol, player can move
		player.setPosition(targetX, targetY);
		setTile(playerX, playerY, '.');
		setTile(targetX, targetY, '@');
		break;
	case '#': //wall
		break;
	default:
		fightMonster(player, targetX, targetY);
		break;
	}
}

void Level::fightMonster(Player &player, int targetX, int targetY) {

	int monsterX;
	int monsterY;
	int playerX;
	int playerY;
	int attackNumber;
	int fightResult;
	string monsterName;

	player.getPosition(playerX, playerY);

	//find which monster to fight
	for (int i = 0; i < _monsters.size(); i++) {

		_monsters[i].getPosition(monsterX, monsterY);

		//If monster coord == target , we found monster
		if (targetX == monsterX && targetY == monsterY) {

			//Get the name of the monster
			monsterName = _monsters[i].getName();
			print(); //reprint the board


			//Player attack
			attackNumber = player.attack();
			cout << "Player attacked " << monsterName << " with: " << attackNumber << "!\n" << endl;
			fightResult = _monsters[i].dmgTaken(attackNumber);

			//If fight result is not zero, then the monster died
			if (fightResult != 0) {
				setTile(targetX, targetY, '.');
				print(); //reprint the board
				cout << monsterName << " died!\n" << endl;

				//remove the monster
				_monsters[i] = _monsters.back();
				_monsters.pop_back();
				i--;

				system("PAUSE");
				player.addExPoints(fightResult);

				return;
			}

			system("PAUSE");


			print(); //reprint the board

			//Monster attack
			attackNumber = _monsters[i].attack();
			cout << monsterName << " attacked player with: " << attackNumber << "!\n";
			fightResult = player.dmgTaken(attackNumber);

			//If fight result != 0, the player died
			if (fightResult != 0) {
				setTile(playerX, playerY, 'x');
				print();
				printf("You died !\n");
				system("PAUSE");
				cout << "\nPlease choose the following option:" << endl;
				cout << "[1] - Play again" << endl;
				cout << "[2] - Quit the game" << endl;
				int choice;
				cin >> choice;
				if (choice == 1) {
					cout << "  " << endl;
					Sleep(1000);
					cout << "...ADVENTURE-LOADING..." << endl;
					Sleep(1000);
					cout << "   " << endl;
					GamePanel gamePanel("maplevel1.txt");
					gamePanel.playGame();
				}
				else {
					exit(1); //quit game
				}
			}
			system("PAUSE");
			return;
		}
	}
}