Text-based rpg engine alpha .5

#include "stdafx.h"
#include <iostream>
#include <string>
#include <fstream>
#include <vector>
#include <stdio.h>
#include <stdlib.h>
#include <ctime>
#include <math.h>



using namespace std;

int _tmain(int argc, _TCHAR* argv[])
{
    start:
    cout << "Text-rpg Engine (c) 2012 piexil" << ".\n";
    string load;
    cout << "Would you like to load (Y/N)?" << ".\n";
    //Loading of the varibles time
    bool debugmode;
    int bnm;
    int dun;
    int dun2;
    int gold;
    int inv[30];
    //inv is for quest items, such as the golden guantlet which is inv[1]
    int hp;
    int invret;
    int quest;
    int wepbonus;
    int pos[2];
    int poso[2];
    int expr;
    int mon;
    int health;
    float lvl;
    int randum[5];
    float dmg;
    float mondmg;
    float monlvl;
    int tlvl;
    float monhealth;
    float monatk;
    float atk;
    float def;
    float mondef;
    string debug;
    string invdir;
    string towndir;
    string battledir;
    string monster;
    string l;
    string lo;
    string line;
    vector <string> v ;
    //setting the deafualts for the varibles
    inv[2] = 2;
    //inv[2] is your current weapon
    bnm = 0;
    debugmode = false;
    dun=0;
    dun2=0;
    poso[1] = 0;
    poso[2] = 0;
    invret = 0;
    gold = 0;
    inv[1] = 0;
    monlvl = 1;
    expr = 0;
    lvl = 1;
    health = 2.33 * sqrt(lvl) *100 ;
    mon = 0;
    pos[1] = 0;
    pos[2] = 0;
    quest = 0;
    hp = 1;
    wepbonus = 1;
    //pos[1] is the veritical position, pos [2] is the horizontal
    cin >> load;
    if(load=="Y" || load=="y"){
         ifstream lo ("save.txt");
  if (lo.is_open())
  {
    while ( lo.good() )
    {
      while (getline(lo, l))
          {
  v.push_back( l);

  }

    //this is strictly for debuging purposes
   cout << "line 1 = " << v[1] << endl;
   //since the vector for loading the save file is a string, we must cionvert to integers
   pos[1] = atoi(v[0].c_str());
   pos[2] = atoi(v[1].c_str());
    health = atoi(v[2].c_str());
    expr = atoi(v[3].c_str());
    lvl = atoi(v[4].c_str());
    inv[1]= atoi(v[5].c_str());
    inv[2]= atoi(v[6].c_str());
    hp = atoi(v[7].c_str());
    gold = atoi(v[8].c_str());
    dun2 = atoi(v[9].c_str());
    poso[1]= atoi(v[10].c_str());
    poso[2]= atoi(v[11].c_str());
    goto move;
    }
    lo.close();


  }

  else cout << "Unable to open file";

    }
    if(load=="N" || "n"){
        goto move;
    }






move:
    //here we see whether or not the next space the user goes to is a battle sequence, it has a 1/6 chance of being one

    srand(time(0));
     if(dun2==1){randum[1] = (rand() % 3 + 1);
    if(randum[1] == 3){
        mon = 1;

    //this if statement is for the debug mode were you can disable monsters

    }
     }

    randum[1] = (rand() % 6 + 1);
    if(randum[1] == 3){
        mon = 1;
    }
    else {
        mon = 0;
    }
    //mon is the varible which tells us to either go back to the move sequence or to the battle sequence

    randum[5] = (rand() % 10 + 1);
    //this is for random health potions, you have a 1/10th chance of getting one
    if(randum[5]==2){
        cout << "You have found a health potion!" << "\n";
        hp = hp +1;

    }

    string dir;
    if (dun2==0 & pos[1]==5 & pos[2]==3) {
        goto townA;
    }
    if (dun2==0 & pos[1]==4 & pos[2]==5) {
        dun=1;
    }

    else {
        dun=0;
    }


    while(dun==1) {
        cout << "You have entered the caverns!" << "\n" << "It is a 30 x 30 plane" << "\n";
        dun2=1;
        poso[1]=pos[1];
        poso[2]=pos[2];
        pos[1]=0;
        pos[2]=0;
        dun=0;
    }
    if (dun2==1 & pos[1]==15 & pos[2]==15 & inv[1]==0) {
        cout << "you have found the golden guantlets!" << "\n";
        inv[1]==1;
        goto move;
    }
    if (dun2==1 & pos[1]==3 & pos[2]==5 & inv[2] < 3) {
        cout << "you have found a long sword!" << "\n";
            inv[2]=3;
    }


    if(dun2==1 & pos[2] >= 30 || dun2==1 & pos[1] >= 30 || dun2==1 & pos[2] < 0 || dun2==1 & pos[1] < 0){
        cout << "There's a wall there!" << "\n";
        if(pos[1] >= 30)
        {pos[1]=29;}
        if(pos[2] >= 30)
        {pos[2]=29;}
        if(pos[1] < 0)
        {pos[1]=0;}
        if(pos[2] < 0)
        {pos[2]=0;}
    }

    cout << "Your current vertical position is: " << pos[1] << ".\n";
    cout << "Your current Horizontal position is: " << pos[2] << ".\n";
    cout << "Your current exprirence is: " << expr << ".\n";
    cout << "Your current level is: " <<  lvl << ".\n";
    cout << "Your current health is: " << health << ".\n";
    if(debugmode==true){
        cout << "Debug mode enabled!" << "\n";

    }
    if(bnm==1){
        mon=0;
    }

    cout << "What would you like to do?";
    cin >> dir;
    if(dir=="N" || dir=="n") {
        pos[1] = pos[1] + 1;
        if(mon==1)
            goto battle;
        else if(mon==0)
            goto move;
    }
    if(dir=="S" || dir=="s") {
        pos[1] = pos[1] - 1;
        if(mon==1)
            goto battle;
        else if(mon==0)
            goto move;
    }
    if (dir=="E" || dir=="e") {
        pos[2] = pos[2] + 1;
        if(mon==1)
            goto battle;
        else if(mon==0)
            goto move;
    }

        if(dir=="W" || dir=="w") {
        pos[2] = pos[2] - 1;
        if(mon==1)
            goto battle;
        else if(mon==0)
            goto move;
    }
        if(dir=="Save" || dir=="save") {
        ofstream save;
        save.open ("save.txt");
         save << pos[1] << "\n" << pos[2] << "\n" << health << "\n" << expr << "\n" << lvl << "\n" << inv[1] << "\n" << inv[2] << "\n" << hp << "\n" << gold << "\n" << dun2 << "\n" << poso[1] << "\n" << poso[2] << "\n";
         save.close();
         cout << "Saved succesfully" << ".\n";
         goto move;
    }

        if (dun2>=1 & dir=="leave" || dir=="leave")

            {
                dun2 = 0;
                    cout << "You have left" << "\n";
                pos[1]=poso[1];
                pos[2]=poso[2];
                goto move;
            }

            if(dir=="iamjesus") {
                cout << "You have entered debug mode!" << "\n";
                debugmode=true;
                goto move;

            }
            if(dir=="inv" || dir=="Inv"){
            invret = 1;
                goto inv;
        }
            if(debugmode==true & dir=="health"){
                cout << "You are changing your health, what would you like it to be?" << "\n";
                cin >> debug;
                hp = atoi(debug.c_str());
                goto move;
            }
            if(debugmode==true & dir=="vpos"){
                cout << "Set your new vertical position: ";
            cin >> debug;
            pos[1] = atoi(debug.c_str());
                goto move;
            }
            if(debugmode==true & dir=="hpos"){
                cout << "Set your new Horizontl position: ";
                cin >> debug;
                pos[2] = atoi(debug.c_str());
                    goto move;
            }
            if(debugmode==true & dir=="bnm"){
                bnm = 1;
                cout << "Monsters have been disabled!";

                goto move;
            }


        else {
            cout << "That is not a valid command" << ".\n";
            goto move;
        }





battle:
        //This is the battle sequence if the position has mon=1
        //next we roll to see which monster it is
        srand(time(0));
    randum[2] = (rand() % 6 + 1);
    cout << "You have encourted a wild: ";
        if(randum[2]==1){
            monster="Imp";
            cout << monster << "\n";
            //next we roll for its level, but it's max is actually 1 level above your level
            srand(time(0));
            tlvl = lvl + 1;
             monlvl = (rand() % tlvl + 1);
            monatk = 5*sqrt(monlvl/sqrt(lvl)) * 2;
            monhealth = 2.33 * sqrt(monlvl) *100;
            goto battleseq;




        }
        else {
            monster = "Flying pig";
            cout << monster << "\n";
        srand(time(0));
            tlvl = lvl + 3;
            monlvl = (rand() % tlvl + 1);
            monatk = 5*sqrt(monlvl/sqrt(lvl))* 1;
            monhealth = 2.33 * sqrt(monlvl) *100;
            goto battleseq;
        }
battleseq:
        if(health<=0){
            cout << "you died!" << "\n";
                goto start;
        }

            if(monhealth<=0){
                cout << "The " << monster << " Has been defeated!" << "\n";
                    //next we award expirence
                expr = expr + (monlvl + monatk) / (sqrt(lvl) + sqrt(atk));
                if(expr >= 100){
                    lvl = 2;
                        goto move;
                }
                if(expr >= 300){
                    lvl = 3;
                        goto move;
                }
                if(expr >= 500){
                    lvl = 4;
                        goto move;
                }
                if(expr >= 700){
                    lvl = 5;
                        goto move;
                }
                if(expr >= 1000){
                    lvl = 6;
                        goto move;
                }
                else{
                    lvl = 1;
                    goto move;
            }
            }
            else {
    cout << "Its level is " << monlvl << "\n";
    cout << "Its attack strength is: " << monatk << "\n";
    //we must generate your attacking strength
    atk = 5*sqrt(lvl/sqrt(monlvl)) * inv[2];
    cout << "Your attack strength is: " << atk << "\n";
    //now we have to generate the defencive strength
    def = 4*sqrt(lvl)+sqrt(atk);
    mondef = 4*sqrt(monlvl)+sqrt(monatk);
    cout << "Its defnsive strength is: " << mondef << "\n";
    cout << "Your defesive strength is: " << def << "\n";
    cout << "Your health is: " << health << "\n";
    cout << "Its health is: " << monhealth << "\n";
    cout << "What will you do? ";
    cin >> battledir;
    if(battledir=="A" || battledir=="a") {
        cout << "You attacked for: ";
        //now we need to do the damage calculations
        dmg = ((2* lvl  +2) * (atk / mondef) /50 ) + 2 * ((rand() % 100 + 50) ) /10;
        cout << dmg << "Damage" << "\n";
        monhealth = monhealth - dmg;
        mondmg = ((2* monlvl  +2) * (monatk / def) /50 ) + 2 * ((rand() % 100 + 50)) /10;
        cout << "It attacked for: " << mondmg << " Damage" << "\n";
        health = health - mondmg;
        goto battleseq;
    }

    if(battledir=="Run" || battledir=="run"){
        //this is what pussies do
        //instead of attacking, you get a 5/6th chance of escaping back to move phase, but the monster will still do damage
        mondmg = ((2* monlvl  +2) * (monatk / def) /50 ) + 2 * ((rand() % 100 + 50) ) /10;
        cout << "It attacked for: " << mondmg << " Damage"<< "\n" ;
        health = health - mondmg;
        srand(time(0));
    randum[3] = (rand() % 6 + 1);
    if(randum[3]!=4){
        cout << "you succesfully escaped!" << "\n";
        goto move;
    }
    if(randum[3]==4){
        cout << "You did not escape! :c" << "\n";
        goto battleseq;
    }
    }
    if(battledir=="inv" || battledir=="Inv"){
        invret=2;
            goto inv;
    }


    else {
        cout << "Invalid command" << "\n";
        goto battleseq;
    }









            }
townA:
            cout << "Welcome to stormdale, brother!" << "\n";
            cout << "What would you like to do?" << "\n";
            cin >> towndir;
            if(towndir=="leave" || towndir=="Leave"){
                pos[1]=pos[1]+1;
                pos[2]=pos[2]+1;
                goto move;
            }
            if(towndir=="quest" || towndir=="Quest"){
                goto questlog;
            }
            if(towndir=="inv" || towndir=="Inv"){
                invret=3;
                goto inv;
            }



questlog:
            if(quest==0){
                if(inv[1]==0){
                cout << "Alright rookie, this is your first quest!" << "\n";
                cout << "I need you to go to the caverns and retrive the golden guantlets, alright?" << "\n";
                    goto townA;
                }
                if(inv[1]==1){
                    cout << "Alright, good job!" << "\n";
                    cout << "Here's some gold and expirence!" << "\n";
                        quest =1;
                    gold = gold + 30;
                        expr = expr +60;
                            goto townA;
                }
inv:
                cout << "You have: " << "\n";
                cout << hp << "x Health potions" << "\n";
                cout << gold << " Gold" << "\n";

                if(inv[1]==1){
                    cout << "Golden guantlets" << "\n";
                }
                cout << "Your current weapon is: ";
                if(inv[2]==2){
                    cout << "Short sword" << "\n";
                }
                if(inv[2]==3){
                    cout << "Long sword" << "\n";
                }
                if(inv[2]==4){
                    cout << "Sword of Death!" << "\n";
                }


                cout << "What would you like to do?" << "\n";
                cin >> invdir;
                if(invdir=="Heal" || invdir=="heal"){
                    if(hp>=1){
                        hp = hp -1;
                            health = health +50;
                            cout << "You have recovered 50 health!" << "\n";
                            goto inv;
                    }
                    if(hp<=0){
                        cout << "Sorry, you need a health potion" << "\n";
                        goto inv;

                    }
                }
                if(invdir=="exit" || invdir=="Exit"){
                    if(invret==1){
                        invret=0;
                        goto move;
                    }
                    if(invret==2){
                        invret=0;
                        goto battleseq;

                    }
                    if(invret==3){
                        invret=0;
                        goto townA;

                    }
                    else {
                        cout << "An error has occured, somone herped in the derp" << "\n";
                    goto inv;
                    }
                }
                    else {
                        cout << "Invalid command" << "\n";
                        goto inv;
                    }