Added help information.
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8e10be3ea9
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@ -123,6 +123,9 @@ void handle_event() {
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show_help = !show_help;
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else if(evnt.keyboard.keycode == ALLEGRO_KEY_I)
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show_info = !show_info;
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else if(evnt.keyboard.keycode == ALLEGRO_KEY_Q ||
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evnt.keyboard.keycode == ALLEGRO_KEY_ESCAPE)
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run = 0;
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else
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set_key(evnt.keyboard.keycode, 1);
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break;
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@ -25,6 +25,19 @@
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#ifndef FPS
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# define FPS 60.0f
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#endif
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#ifndef ACCEL
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# define ACCEL 0.5f
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#endif
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#ifndef TURN_ACCEL
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# define TURN_ACCEL (M_PI / FPS) // turn at pi radians / sec
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#endif
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#ifndef WINDOW_WIDTH
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# define WINDOW_WIDTH 800
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#endif
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#ifndef WINDOW_HEIGHT
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# define WINDOW_HEIGHT 600
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#endif
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#include <allegro5/allegro.h>
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30
src/main.c
30
src/main.c
@ -28,6 +28,14 @@ int show_info;
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#include <stdio.h>
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#include <allegro5/allegro.h>
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#include <allegro5/allegro_primitives.h>
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#include <allegro5/allegro_font.h>
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const char *help =
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"HELP:\n"
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"LEFT/RIGHT - turn the ship\n"
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"UP/DOWN - accelerate/decelerate\n"
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"H - show/hide this help information\n"
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"Q/ESC - quit";
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int main() {
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printf("SpaceShipSim v%s\n", VERSION);
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@ -49,7 +57,13 @@ int main() {
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puts("Initialized primitives addon.");
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#endif
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ALLEGRO_DISPLAY *display = al_create_display(800, 600);
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if(!al_init_font_addon())
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{
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fprintf(stderr, "alleg5: failed to initialize font addon.\n");
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return 1;
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}
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ALLEGRO_DISPLAY *display = al_create_display(WINDOW_WIDTH, WINDOW_HEIGHT);
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if(!display)
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{
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fprintf(stderr, "alleg5: failed to initialize display.\n");
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@ -70,6 +84,8 @@ int main() {
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struct ship ship;
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ship_init(&ship, 400, 300);
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ALLEGRO_FONT *font = al_create_builtin_font();
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// begin running the simulation
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run = 1;
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redraw = 1;
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@ -97,17 +113,27 @@ int main() {
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if(show_help)
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{
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// TODO: draw help information
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al_draw_multiline_text(font,
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al_map_rgb(0xFF, 0xFF, 0xFF),
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WINDOW_WIDTH / 2, WINDOW_HEIGHT / 2,
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WINDOW_WIDTH, 10.0f,
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ALLEGRO_ALIGN_CENTRE,
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help);
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}
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al_flip_display();
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redraw = 0;
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}
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}
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al_destroy_font(font);
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evnt_mngr_deinit();
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al_destroy_display(display);
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#ifdef DEBUG
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puts("Destroyed display.");
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#endif
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al_shutdown_font_addon();
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#ifdef DEBUG
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puts("Shutdown font addon.");
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#endif
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al_shutdown_primitives_addon();
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#ifdef DEBUG
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@ -29,8 +29,6 @@
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# define M_PI 3.14159265f
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#endif
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#define ACCEL 0.5f
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#define TURN_ACCEL (M_PI / FPS) // turn at pi radians / sec
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#define SHIP_RADIUS 10.0f // radius of the ship in pixels
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void ship_init(struct ship *ship, int x, int y) {
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