Fight Cave Spawn Predictor v1.3.3

#include <stdlib.h>
#include <stdio.h>

//Done by IGN:FwostyMage

int printspawn (int wave) {
  if (wave >= 31) { printf("360 "); return wave-31; }
  if (wave >= 15) { printf("180 "); return wave-15; }
  if (wave >= 7) { printf("90 "); return wave-7; }
  if (wave >= 3) { printf("45 "); return wave-3; }
  printf("22 ");
  return wave-1;
}

void getspawn (int loc) {
  int spawnarr[15] = {3, 5, 2, 1, 5, 3, 4, 1, 2, 3, 5, 4, 1, 2, 4};
  int sval = spawnarr[loc];
  if (sval == 1) printf("NW, ");
  if (sval == 2) printf("C, ");
  if (sval == 3) printf("SE, ");
  if (sval == 4) printf("S, ");
  if (sval == 5) printf("SW, ");
  return;
}

void jadspawn (int start) {
  int i=1;
  printf("JAD ");
  getspawn(start);
  printf("Healers: ");
  while (i<5) {
    getspawn((start+i)%15);
    i++;
  }
  printf("\n");
  return;
}

void printwave (int start, int wave) {
  int i = 0;
  int curwave = wave;
  printf("Wave %d: ", wave);
  if (curwave == 63) {
    jadspawn((start)%15);
    return;
  }
  while (curwave > 0) {
    curwave = printspawn(curwave);
    getspawn((start+i)%15);
    i++;
  }
  printf("\n");
  return;
}

int spawn2int(char spn[3]) {
  if (strcmp(spn,"NW")==0) return 1;
  if (strcmp(spn,"N")==0) return 1;
  if (strcmp(spn,"C")==0) return 2;
  if (strcmp(spn,"SE")==0) return 3;
  if (strcmp(spn,"E")==0) return 3;
  if (strcmp(spn,"S")==0) return 4;
  if (strcmp(spn,"SW")==0) return 5;
  if (strcmp(spn,"W")==0) return 5;
  printf("Return a valid format please! \n");
  return -1;
}

/*
int spawnarr2start (int spawnarr[4]) {
  int spawns[15] = {3, 5, 2, 1, 5, 3, 4, 1, 2, 3, 5, 4, 1, 2, 4};
  int i = 0, j, k;
  while (i < 15) {
    j = 0, k = 0;
    while ((j < 4) && (k == 0)) {
      if (spawns[(i+j)%15] != spawnarr[j]) k=1;
      j++;
    }
    if (k == 0) return i;
    i++;
  }
  printf("Spawns aren't accurate! \n");
  return -1;
}
*/

int getstart () {
  char s1[3];
  int c1=-1;
  int* c2 = malloc(sizeof(int));
  *c2=-1;
  printf("Enter center as C, south as S, \n");
  printf("northwest as NW or N, southwest as SW or W, \n");
  printf("and southeast as SE or E. First 22 spawn?");
  scanf("%s",s1);
  c1=spawn2int(s1);
  switch (c1) {
  case 1 : //nw
    printf("Where did the next 22s spawn? \n");
    printf("If SW and SE, type 1 \n");
    printf("If C and SE, type 2 \n");
    printf("If C and S, type 3");
    scanf("%d",c2);
    switch(*c2) {
    case 1:
      return 3;
      break;
    case 2:
      return 7;
      break;
    case 3:
      return 12;
      break;
    default :
      return -1;
    }
  case 2 : //center
    printf("Where did the next 22s spawn? \n");
    printf("If NW and SW, type 1 \n");
    printf("If SE and SW, type 2 \n");
    printf("If S and SE, type 3");
    scanf("%d",c2);
    switch(*c2) {
    case 1:
      return 2;
      break;
    case 2:
      return 8;
      break;
    case 3:
      return 13;
      break;
    default :
      return -1;
    }
  case 3 : //se
    printf("Where did the next 22s spawn? \n");
    printf("If SW and C, type 1 \n");
    printf("If S and NW, type 2 \n");
    printf("If SW and S, type 3");
    scanf("%d",c2);
    switch(*c2) {
    case 1:
      return 0;
      break;
    case 2:
      return 5;
      break;
    case 3:
      return 9;
      break;
    default :
      return -1;
    }
  case 4 : //south
    printf("Where did the next 22s spawn? \n");
    printf("If SE and SW, type 1 \n");
    printf("If NW and C, type 2");
    scanf("%d",c2);
    switch(*c2) {
    case 1:
      return 14;
      break;
    case 2:
      *c2=-1;
      printf("The first 45 should spawn center. \n");
      printf("Type 1 if the second 45 spawned SE and 2 if it spawned S.");
      scanf("%d",c2);
      switch(*c2) {
      case 1 :
        return 6;
      case 2 :
        return 11;
      default :
        return -1;
      }
      break;
    default :
      return -1;
    }
  case 5 : //sw
    printf("Where did the next 22s spawn? \n");
    printf("If C and NW, type 1 \n");
    printf("If SE and S, type 2 \n");
    printf("If S and NW, type 3");
    scanf("%d",c2);
    switch(*c2) {
    case 1:
      return 1;
      break;
    case 2:
      return 4;
      break;
    case 3:
      return 10;
      break;
    default :
      return -1;
    }
  default :
    return -1;
  }
}

int main () {
  int wave = 4, start = -1;
  char s1[3];
  int i=0,j;
  start=getstart();
  printf("\n");
  if (start == -1) { return -1; }
  if ((start!=6)&&(start!=11)) { printwave(start+2,3); }
  start=start+3;
  getchar();
  while (i < 6) {
    j=0;
    while (j < 10) {
      printwave(start,wave);
      wave++;
      start++;
      j++;
    }
    if (i==5) return 0;
    printf("Press ENTER to print more waves.\n");
    getchar();
    i++;
  }
  return 0;
}