I seem to have lost my mind. This game is a breakout clone. Not pong. I suppose my questions are still apply regardless. Hope this clears up some potential confusion with the code.
The game logic and drawing code are separate. The main file looks as follows.
#include <allegro.h> // You must include the Allegro Header file#include <time.h>#include <iostream.h>#include <fstream.h>#include <string.h>#include <stdio.h>#include "ball class.h"#define WIDTH 640#define HEIGHT 480#define TILE_W 40#define TILE_H 10volatile long speed_counter = 0; // A long integer which will store the value of the // speed counter. void increment_speed_counter() // A function to increment the speed counter{ speed_counter++; // This will just increment the speed counter by one. :)}END_OF_FUNCTION(increment_speed_counter);int main(int argc, char *argv[]){ //int frame_counter = 0; // A counter for understanding fps bool done = false; bool ball_waiting = true; // ball is waiting for deployment on paddle bool ball_in_play = false; // ball is currently moving char map[16][48]; // 192 tile map short unsigned int map_x, map_y; short unsigned int paddle_x, paddle_y; short unsigned int ball_tile_x, ball_tile_y; int color; // tests for color of brick unsigned short int i,j; map_x = 0; map_y = 0; paddle_x = (WIDTH/2); paddle_y = (HEIGHT-20); ball_tile_x = 0; ball_tile_y = 0; ifstream map_file_read; // level to be read srand (time(NULL)); // seed the random number generator allegro_init(); // Initialize Allegro install_keyboard(); // Initialize keyboard routines install_timer(); // initialize the timer routine install_mouse(); // initialize the mouse routines enable_hardware_cursor(); // Set normal arrow pointer select_mouse_cursor(MOUSE_CURSOR_ARROW); LOCK_VARIABLE(speed_counter); //Used to set the timer - which regulates the game's LOCK_FUNCTION(increment_speed_counter);//speed. install_int_ex(increment_speed_counter, BPS_TO_TIMER(60));//Set our BPS set_color_depth(16); // Set the color depth set_gfx_mode(GFX_AUTODETECT_WINDOWED, WIDTH, HEIGHT, 0, 0); set_window_title("Bumper Blocks"); BITMAP *buffer = create_bitmap(WIDTH,HEIGHT); BITMAP *a = load_bitmap("a.bmp", NULL); BITMAP *b = load_bitmap("b.bmp", NULL); BITMAP *c = load_bitmap("c.bmp", NULL); BITMAP *d = load_bitmap("d.bmp", NULL); BITMAP *e = load_bitmap("e.bmp", NULL); BITMAP *f = load_bitmap("f.bmp", NULL); BITMAP *paddle = load_bitmap("paddle.bmp", NULL); BITMAP *ball = load_bitmap("ball.bmp", NULL); map_file_read.open("map_file.txt"); for (map_y=0; map_y<48; map_y++) { for (map_x=0; map_x<16; map_x++) { // read map info here map[map_x][map_y] = map_file_read.get(); } } map_file_read.close(); //show_mouse(buffer); CBall ball1; ball1.set_velocity(2,2); ball1.set_position(120,240); ball1.set_direction(NORTHEAST); // main game loop while (done != true) { // while loop for logic while (speed_counter > 0) { if(key[KEY_ESC]) { done = true; } if(key[KEY_ENTER]) { allegro_message("Paused"); } paddle_x = mouse_x; // paddle collision detection if (paddle_x <= 0) { // collision with left wall paddle_x = 0; } if (paddle_x >= 560) { // collision with right wall paddle_x = 560; } // set ball into motion ball1.set_moving(); //check collisions for ball1 ball1.collide_w(); speed_counter--; //frame_counter++; } // end of logic while loop //draw tile map for (short unsigned int i=0; i<16; i++) { for (short unsigned int j=0; j<48; j++) { if (map[j] == 'a') { draw_sprite(buffer, a, i*TILE_W, j*TILE_H); } if (map[j] == 'b') { draw_sprite(buffer, b, i*TILE_W, j*TILE_H); } if (map[j] == 'c') { draw_sprite(buffer, c, i*TILE_W, j*TILE_H); } if (map[j] == 'd') { draw_sprite(buffer, d, i*TILE_W, j*TILE_H); } if (map[j] == 'e') { draw_sprite(buffer, e, i*TILE_W, j*TILE_H); } if (map[j] == 'f') { draw_sprite(buffer, f, i*TILE_W, j*TILE_H); } } } draw_sprite(buffer, paddle, paddle_x, paddle_y);// draw paddle draw_sprite(buffer, ball, ball1.x, ball1.y); // draw ball1 textprintf_ex(buffer, font, 2, (HEIGHT-20), makecol(255,255,255), -1, "mouse_x = %d", mouse_x); textprintf_ex(buffer, font, 2, (HEIGHT-10), makecol(255,255,255), -1, "mouse_y = %d", mouse_y); textprintf_ex(buffer, font, 2, (HEIGHT-30), makecol(255,255,255), -1, "paddle_x = %d", paddle_x); textprintf_ex(buffer, font, 2, (HEIGHT-40), makecol(255,255,255), -1, "ball1.y = %d", ball1.y); textprintf_ex(buffer, font, 2, (HEIGHT-50), makecol(255,255,255), -1, "ball1.x = %d", ball1.x); textprintf_ex(buffer, font, 2, (HEIGHT-60), makecol(255,255,255), -1, "ball_tile_x = %d", ball_tile_x); textprintf_ex(buffer, font, 2, (HEIGHT-70), makecol(255,255,255), -1, "ball_tile_y = %d", ball_tile_y); textprintf_ex(buffer, font, 2, (HEIGHT-80), makecol(255,255,255), -1, "ball1.direction = %d", ball1.direction); textprintf_ex(buffer, font, 2, (HEIGHT-90), makecol(255,255,255), -1, "ball1.xv = %d", ball1.xv); textprintf_ex(buffer, font, 2, (HEIGHT-100), makecol(255,255,255), -1, "ball1.yv = %d", ball1.yv); // draw the buffer to the screen blit(buffer, screen, 0,0,0,0,WIDTH,HEIGHT); clear_bitmap(buffer); } //destroy_bitmap(tile_grid); destroy_bitmap(buffer); destroy_bitmap(a); destroy_bitmap(b); destroy_bitmap(c); destroy_bitmap(d); destroy_bitmap(e); destroy_bitmap(f); destroy_bitmap(paddle); destroy_bitmap(ball); return 0; // Exit with no errors}END_OF_MAIN() // This must be called right after the closing bracket of your MAIN function. // It is Allegro specific.
