challenges.c

#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <sys/stat.h>
#include <errno.h>
#include "challenges.h"

int err() {
    printf("errno %d\n%s\n", errno, strerror(errno));
    exit(1);
}

int randyLit() { //Randomly fill an integer variable with data that can be manipulated into a random number
    int randNum;
    int* pointer = &randNum;
    int recieve = open("/dev/random", O_RDONLY);

    if (recieve == -1)
        err();

    read(recieve, pointer, 4);

    return *pointer;
}

int duel(struct player_values mine, struct player_values opponent) { //Initiate a duel on your end and this will determine who the winner is and handle all of the
    int sum = mine.troops + opponent.troops;                         //subsequent winnings and whatnot
    int random = randyLit()%sum + 1;                                 //The math is basically that if the random number lands in your amount of troops you win
                                                                     //If it is in your opponent's amount of troops then they win
    if (random > mine.troops) {
        opponent.troops += 1;
        mine.troops -= 1;
        int troops_lost = randyLit()%(mine.troops/2) + (mine.troops/10);
    }
    else {
        opponent.troops -= 1;
        mine.troops += 1;
        int troops_lost = randyLit()%(opponent.troops/2) + (opponent.troops/10);
    }
}

int wager(struct player_values mine, struct player_values opponent, int amount) { //Same sort of thing as duel but fifty/fifty chance and beting gold
    int random = randyLit()%2 + 1;
    if (random == 1) {
        opponent.gold += amount;
        mine.gold -= amount;
    }
    else {
        opponent.gold -= amount;
        mine.gold += amount;
    }
}

int tribeEntry(int tribe, struct player_values input) { //This command edits a player's multi value for whatever faction/tribe they chose
    input.troopMulti = 1.0;
    input.goldMulti = 1.0;
    input.populationMulti = 1.0;
    if (tribe == 0) {
        input.troopMulti = 1.1; //This is fire because they do well in the heat of battle
    }
    else if (tribe == 1) {
        input.goldMulti = 1.1; //This is water because it keeps their assets liquid
    }
    else if (tribe == 2){
        input.populationMulti = 1.1; //This is grass because their nation is growing strong roots
    }
}

int commonEvent(int random, struct player_values input){ //Simple common events for individual events (Very low stakes)
    if (random <= 13) {                                  //Uses the same random that was made to determine if the event should be common, uncommon, or rare
        printf("Your kingdom faces harsh weather, you lose 20 gold.\n");
        input.gold -= 20;
    }
    else if (random <= 2*13) {
        printf("Bandits bombard your kingdom, you lose 10 troops.\n");
        input.troops -= 10;
    }
    else if (random <= 3*13) {
        printf("You receive refugees, your population grows by 20 people.\n");
        input.population += (int) (20*input.populationMulti);
    }
    else if (random<= 4*13) {
        printf("Some residents hate your recent actions, your population decreases by 10 people.\n");
        input.population -= 10;
    }
    else {
        printf("Your kingdom becomes enveloped in fog, when it clears you find that nothing has happened.\n");
    }
}

int uncommonEvent(int random, struct player_values input){ //Same deal as the Common event just with higher stakes
    if (random <= 65+8) {
        printf("Your city floods and much is lost, you lose 100 gold and 50 people.\n");
        input.population -= 50;
        input.gold -= 100;
    }
    else if (random <= 65+8*2) {
        printf("A great hero visits your kingdom, many flock to visit them. You gain 300 gold.\n");
        input.gold += (int) (300 * input.goldMulti);
    }
    else {
        printf("A cult forms in your kingdom, many kill themselves in hopes of meeting the great flying spaghetti monster. You lose 120 people.");
        input.population -= 120;
    }
}

int rareEvent(int random, struct player_values input) { //Once again the same thing as the previous individual events
    if (random <= 94) {
        printf("A dragon attacks your kingdom! You lose 2 cities, 400 people, 320 gold, and 330 troops.\n");
        input.cities -= 2;
        input.population -= 100;
        input.gold -= 320;
        input.troops -= 330;
    }
    else {
        printf("Mr.K has smiled upon you. You gain 400 gold and two cities.\n");
        input.cities += 2;
        input.gold += (int) (400 * input.goldMulti);
        input.population += (int) (400 * input.populationMulti);
    }
}

int tribeLevel(struct player_values input) { //Determines whether the event for that round should be common
    int random = randyLit()%100 +1;
    if (random <= 65) { //There is a 65% chance of a common event when there is an individual event
      commonEvent(random, input);
    }
    else if (random <= 89) { //There is a 24% chance of an uncommon event when there is an individual event
        uncommonEvent(random, input);
    }
    else if (random <= 99) { //There is a 10% chance of a rare event when there is an individual event
        rareEvent(random, input);
    }
    else { //There is a 1% chance of immediately losing when there is an individual event.
        printf("EVERYTHING IS ON FIRE, AAAAAAAAAAH.\n");
        sleep(2);
        printf("Your kingdom is burnt to ash, you could not do anything. L.\n");
        input.population = 0;
        //ADD A FUNCTION THAT CONSTANTLY CHECKS THE VALUE OF POPULATION TO DETERMINE IF A KINGDOM IS ALIVE OR NOT
    }
}

int serverLevel(struct player_values input) { //There are three potential serverLevel events
    int random = randyLit()%3 + 1;            //Should definitely be restricted from happening even with a low likelihood until a certain number of rounds have passed
    int final;
    if (random <= 1) {
        printf("The goblin empire is aiming to conquer everything. Your nation is in its warpath.\n");
        printf("What will you do?\n");
        printf("Option 1: The goblins are incompetent, do nothing.\n");
        printf("Option 2: Shelter in and prepare all of your cities for a siege.\n");
        printf("Option 3: WAAAAAAR!!!!!!! (Take the battle to them with a preemptive strike).\n");
        printf("Option 4: Attempt diplomacy with the goblins (Do you have a good translator?).\n");
        printf("What path will your kingdom take, please select an option: ");
        scanf("%d", &final);
        eventInput(random, final, input); //Function to determine the outcome of the user's choice
        return final; //Returns what the player has selected
    }
    else if (random <= 2) {
        printf("A plague is sweeping the continent. Your people live in terrible fear of the Miasma of Doom\n");
        printf("What will you do?\n");
        printf("Option 1: Miasma is nothing, why should I take action?\n");
        printf("Option 2: Spend half of your nation's gold to gather the greatest physicians in the land.\n");
        printf("Option 3: Execute all of the sick and burn their bodies.\n");
        printf("Option 4: Turn to the church and believe in the power of god(s).\n");
        printf("What path will your kingdom take, please select an option: ");
        scanf("%d", &final);
        eventInput(random, final, input); //Function to determine the outcome of the user's choice
        return final; //Returns what the player has selected
    }
    else {
        printf("SHARKNADO!!!!!!\n");
        printf("What will you do?\n");
        printf("Option 1: What's a Shark...? OH GOD!\n");
        printf("Option 2: Send in the troops.\n");
        printf("Option 3: Send in the treasury.\n");
        printf("Option 4: Send in the... people I guess?\n");
        printf("What path will your kingdom take, please select an option: ");
        scanf("%d", &final);
        eventInput(random, final, input); //Function to determine the outcome of the user's choice
        return final; //Returns what the player has selected
    }
}

int eventInput(int random, int response, struct player_values input) {
  if (random <= 1) { //Goblin Empire
    if (response == 1) { //Ignore
      printf("The goblins are mighty and powerful!!!! But they also never even heard of your kingdom so they pass you by.\n");
      //no changes to the kingdom since nothing happened
    }
    else if (response == 2) { //Prepare for siege
      printf("The goblins hear word of your preparations and launch a massive assault.\n");
      printf("Your kingdom is able to resist the goblins until they need to retreat because of other forces.\n");
      printf("You have lost 350 gold.");
      input.gold -= 350;
    }
    else if (response == 3) { //Preemptive strike
      printf("The massive goblin army is caught off guard by your offensive measures!\n");
      printf("Your army fights admirably and wins you the battle but many troops are lost.\n");
      printf("You gain 600 gold but sacrifice 400 troops\n");
      input.gold += (int) (600 * input.goldMulti);
      input.troops -= 400;
    }
    else { //Diplomacy
      printf("Your translator was lying about speaking the goblin language and has greatly offended their emperor.\n");
      printf("Your nation now must face the full force of the goblin army and you suffer many losses.\n");
      printf("You lose 400 citizens, 500 troops, and 650 gold.\n");
      input.gold -= 650;
      input.population -= 400;
      input.troops -= 500;
    }
  }
  else if (random <= 2) { //Plague
    if (response == 1) { //Ignore
      printf("The plague ravages your nation and you lose countless people.\n");
      printf("You lose 700 citizens.\n");
      input.population -= 700;
    }
    else if (response == 2) { //Buy doctors
      printf("You spend half of your treasury to get the best doctors from accross the world and stem the spread of the virus\n");
      printf("You have lost %d gold.", input.gold/2);
      input.gold /= 2;
    }
    else if (response == 3) { //Kill the sick
      printf("Countless citizens die but you successfully stop the disease.\n");
      printf("You lose 800 from your population and 200 troops\n");
      input.troops -= 200;
      input.population -= 800;
    }
    else { //PRAY
      printf("The church does not do very much in terms of giving you \"tangible results\"\n");
      printf("You lose 550 gold and 600 people\n");
      input.gold -= 550;
      input.population -= 600;
    }
  }
  else { //SHARKNADO!!!
    if (response == 1) { //Ignore
      printf("The Sharknado decimates your kingdom.\n");
      printf("You lose 600 citizens and two cities\n");
      input.population -= 600;
      input.cities -= 2;
    }
    else if (response == 2) { //Send in the troops
      printf("What did you expect the troops to do about a tornado of sharks?\n");
      printf("The sharknado decimates your troops and continues on to your kingdom.")
      printf("You have lost 400 troops, 400 people, and a city.");
      input.troops -= 400;
      input.population -= 400;
      input.cities -= 1;
    }
    else if (response == 3) { //Send in the treasury
      printf("The sharks die as they're thrown into the gold and the tornado is diverted by the power of money.\n");
      printf("You lose 500 gold\n");
      input.gold -= 500;
    }
    else { //Send in the people
      printf("The sharks just... they just eat a lot of your people.\n");
      printf("You lose 700 people\n");
      input.population -= 700;
    }
  }
}

int isAlive(struct player_values input) { //Returns true if the character is still alive
    if (input.population == 0) {
        return 1;
    }
    return 0;
}

int gainFromCities(struct player_values input) { //Used every round because the cities pay taxes to you and grow over time
  input.gold += (int) (100 * input.goldMulti * input.cities);
  input.population += (int) (50 * input.populationMulti * input.cities); //Bellow we update the player on their gains
  printf("You have gained %d gold and %d people from your cities.\n", (int) (100 * input.goldMulti * input.cities), (int) (50 * input.populationMulti * input.cities));
}

int currentStatus(struct player_values input) { //Should be called every round before we offer the options for what to do so that the player knows what is up
  printf("Here is your kingdom's current status readout:\n");
  printf("Gold: %d\n", input.gold);
  printf("Population: %d\n", input.population);
  printf("Troops: %d\n", input.troops);
  printf("Cities: %d\n", input.cities);
}

int buyTroops(int numTroops, struct player_values input) { //Used as an option for an action to purchase troops
  if (input.gold >= numTroops * 10) {                      //Must sacrafice as many member of your population as you want troops
    input.gold -= numTroops * 10;                          //Troops cost 10 gold each (flat fee)
    input.troops += (int) (numTroops * input.troopsMulti);
    input.population -= numTroops;
    printf("You have spent %d gold to buy %d troops and lost %d citizens.\n", numTroops * 10, (int) (numTroops * input.troopsMulti), numTroops);
    return 0;
  }
  else {
    printf("You do not have enough gold to purchase that many troops.\n");
    return 1;
  }
}

int buyCities(int numCities, struct player_values input) { //Each purchase of a city nets 200 population increase
  if (input.gold >= numCities * 150) {                     //A city costs 150 gold so that the city pays for itself twice over in three rounds
    input.gold -= numCities * 150;
    input.cities += numCities;
    input.population += (int) (200 * input.populationMulti);
    printf("You have spent %d gold to buy %d cities and gained %d citizens.\n", numCities * 150, numCities, (int) (200 * input.populationMulti));
    return 0;
  }
  else {
    printf("You do not have enough gold to purchase that many cities.\n");
    return 1;
  }
}


int optionsToTakeEachRound(struct player_values input) { //Should likely be run after the event for that round
  printf("What actions would you like to take?\n");
  printf("Option 1: See status\n");
  printf("Option 2: Buy troops (10 gold and 1 citizen per troop)\n");
  printf("Option 3: Buy cities (150 gold per city)\n");
  printf("Option 4: Proceed to the next round\n");
  printf("Option 5: Challenge final boss\n");
  printf("What option do you select? ");

  int final;
  int holding;

  scanf("%d", &final);
  if (final == 1) {
    currentStatus(input);
    final = optionsToTakeEachRound(input);
  }
  else if (final == 2) {
    printf("How many troops would you like to buy? ");
    scanf("%d", holding);
    if (buyTroops(holding, input)) {
      final = optionsToTakeEachRound(input);
    }
  }
  else if (final == 3) {
    printf("How many cities would you like to buy? ");
    scanf("%d", holding);
    if (buyCities(holding, input)) {
      final = optionsToTakeEachRound(input);
    }
  }
  else if (final == 4) {
    //I do not know if we should do anything here, I presume not since the player did not want to but maybe we should make some indicator for skipping
    //If nothing else it helps with the final else statement at the end of this function
  }
  else if (final == 5) {
    if (input.troops >= 5000 && input.cities >= 6 && input.population >= 6500) {
      return final;
    }
    else {
      printf("You are not yet qualified for the final boss which requires 5000 troops, 6 cities, and 6500 citizens at least to challenge\n");
      printf("Please try again after growing your kingdom.\n");
      final = optionsToTakeEachRound(input);
    }
  }
  else {
    printf("You did not select a valid option, please try again.\n");
    final = optionsToTakeEachRound(input);
  }
  return final; //Returns the value for use again and again
}