Mercurial > hg > ascension / file diff

     1.1 --- a/src/context.c	Wed Nov 08 23:17:07 2023 +0100
     1.2 +++ b/src/context.c	Wed Nov 15 22:51:40 2023 +0100
     1.3 @@ -81,3 +81,59 @@
     1.4      asc_context.flags = 0;
     1.5      asc_dprintf("Ascension context destroyed.");
     1.6  }
     1.7 +
     1.8 +static void asc_event_window_resized(Uint32 id, Sint32 width, Sint32 height) {
     1.9 +    for (unsigned int i = 0 ; i < ASC_MAX_WINDOWS ; i++) {
    1.10 +        if (asc_context.windows[i].id == id) {
    1.11 +            asc_context.windows[i].dimensions.width = width;
    1.12 +            asc_context.windows[i].dimensions.height = height;
    1.13 +            asc_mat4f_ortho(asc_context.windows[i].projection, 0, (float) width, (float) height, 0);
    1.14 +            return;
    1.15 +        }
    1.16 +    }
    1.17 +}
    1.18 +
    1.19 +bool asc_loop_next(void) {
    1.20 +    // dispatch SDL events
    1.21 +    SDL_Event event;
    1.22 +    while (SDL_PollEvent(&event)) {
    1.23 +        switch (event.type) {
    1.24 +            case SDL_QUIT:
    1.25 +                asc_set_flag(&asc_context.flags, ASC_FLAG_QUIT);
    1.26 +                break;
    1.27 +            case SDL_WINDOWEVENT: {
    1.28 +                if (event.window.event == SDL_WINDOWEVENT_RESIZED)
    1.29 +                    asc_event_window_resized(
    1.30 +                            event.window.windowID,
    1.31 +                            event.window.data1,
    1.32 +                            event.window.data2
    1.33 +                    );
    1.34 +                break;
    1.35 +            }
    1.36 +            case SDL_KEYDOWN:
    1.37 +                // TODO: remove this code and implement key press map instead
    1.38 +                if (event.key.keysym.sym == SDLK_ESCAPE)
    1.39 +                    return false;
    1.40 +                break;
    1.41 +            case SDL_KEYUP:
    1.42 +                // TODO: implement key press map
    1.43 +                break;
    1.44 +        }
    1.45 +    }
    1.46 +
    1.47 +    // sync the windows
    1.48 +    for (unsigned int i = 0 ; i < ASC_MAX_WINDOWS ; i++) {
    1.49 +        if (asc_context.windows[i].id > 0) {
    1.50 +            asc_window_sync(&asc_context.windows[i]);
    1.51 +        }
    1.52 +    }
    1.53 +
    1.54 +    // compute frame time
    1.55 +    static Uint32 ticks;
    1.56 +    Uint32 ticks_elapsed = SDL_GetTicks() - ticks;
    1.57 +    ticks = SDL_GetTicks();
    1.58 +    asc_context.elapsed_millis = ticks_elapsed;
    1.59 +    asc_context.elapsed = (float) ticks_elapsed / 1000.0f;
    1.60 +
    1.61 +    return !asc_test_flag(asc_context.flags, ASC_FLAG_QUIT);
    1.62 +}