HELP. ME.

#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#define     MAP_WIDTH   22
#define     MAP_HEIGHT  21

struct tile {
    uint16_t Population;
    char People[5]; // note this makes struct 8 bytes each...
    // char[3] is for the brackets to mark player selection, e.g. (.::)
    // to select a single tile player bracket actually.. is like, uhh..
    // char[3] of the slected tile = ')' and char[3] of the previous tile becomes '('
};

struct cursor {
    unsigned char X: 5;
    unsigned char Y: 5;
} Cursor;

void setup(struct tile *Map, size_t numTiles)
{
    system("cls");
    srand(time(NULL));

    int X = 0; int Y = 0;
    int i = 0;
    while (i < numTiles) {
        int occupied = rand() % 10;
        int r;
        if (!occupied) {
            Map[i].Population = 0;
            r = 0;
        } else {
            Map[i].Population = r;
            r = rand() % 512;
        }
        Map[i].People[0] = ' ';
        Map[i].People[4] = '\0';

        if (!r) {
            Map[i].People[1] = ' ';
            Map[i].People[2] = ' ';
            Map[i].People[3] = ' ';
        }
        else if (r < 80) {
            Map[i].People[1] = '.';
            Map[i].People[2] = ' ';
            Map[i].People[3] = ' ';
        }
        else if (r < 160) {
            Map[i].People[1] = '.';
            Map[i].People[2] = '.';
            Map[i].People[3] = ' ';
        }
        else if (r < 240) {
            Map[i].People[1] = '.';
            Map[i].People[2] = '.';
            Map[i].People[3] = '.';
        }
        else if (r < 320) {
            Map[i].People[1] = '.';
            Map[i].People[2] = '.';
            Map[i].People[3] = ':';
        }
        else if (r < 400) {
            Map[i].People[1] = '.';
            Map[i].People[2] = ':';
            Map[i].People[3] = ':';
        }
        else if (r < 480) {
            Map[i].People[1] = ':';
            Map[i].People[2] = ':';
            Map[i].People[3] = ':';
        }
        else if (r < 500) {
            Map[i].People[1] = 'W';
            Map[i].People[2] = '=';
            Map[i].People[3] = 'W';
        } else {
            // mountains
            if (r < 510) {
                Map[i].People[1] = '/';
                Map[i].People[2] = '\\';
                Map[i].People[3] = '^';
            } else {
                Map[i].People[1] = '/';
                Map[i].People[2] = '$';
                Map[i].People[3] = '\\';
            }
        }
        ++i;
    }
}


// http://higherorderfun.com/blog/2010/08/17/understanding-the-game-main-loop/
char isTimeToUpdate()
{
        return 1;
}
int hasTimeToDraw()
{
    return 1;
}
void processInput()
{

}
void updateGameState()
{

}
void waitUntilItsTime()
{
    // ?
}

void drawScreen(const struct tile (&Map)[MAP_HEIGHT][MAP_WIDTH], int Gold)
{
    system("cls");
    int x = 0; int y = 0;
    while (y < MAP_HEIGHT) {
        x = 0;
        if (y % 2){
            printf("  ");
        }
        while (x < MAP_WIDTH) {
            printf("%s", Map[y][x].People);
            ++x;
        }
        printf("\n\n");
        ++y;
    }
    printf("Gold:  %d\n", Gold);
    printf("Prices: 150, 300, 600.");
    printf("        Population at the cursor:\n");
    printf("Speed: Normal");
    printf("                     %d", Map[Cursor.Y][Cursor.X].Population);

}

int main()
{
    struct tile Map[MAP_HEIGHT][MAP_WIDTH];
    // setup(Map, sizeof Map / sizeof *Map);
    setup(Map, MAP_HEIGHT * MAP_WIDTH);
    int GameIsRunning = 1;
    while (GameIsRunning) {
        if (isTimeToUpdate()) {
            processInput();
            updateGameState();
            if (hasTimeToDraw()) drawScreen();



        } else {
            waitUntilItsTime();
        }
    }
    return 0;
}