ascension: test/sandbox.c@c5dde81b6fb2 (annotated)

test/sandbox.c@c5dde81b6fb2 (annotated)

test/sandbox.c

Wed, 15 Nov 2023 22:51:40 +0100

author: Mike Becker <universe@uap-core.de>
date: Wed, 15 Nov 2023 22:51:40 +0100
changeset 16: c5dde81b6fb2
parent 15: 362b7659dc76
child 19: d0e88022e209
permissions: -rw-r--r--

add text rendering and demo FPS counter

 /*
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
  * Copyright 2023 Mike Becker. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *   1. Redistributions of source code must retain the above copyright
  *      notice, this list of conditions and the following disclaimer.
  *
  *   2. Redistributions in binary form must reproduce the above copyright
  *      notice, this list of conditions and the following disclaimer in the
  *      documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */
 #include <ascension/ascension.h>
 #include <cx/printf.h>
 static bool show_message_box_on_error(SDL_Window* window) {
     if (asc_has_error()) {
         SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR,
                 "Fatal Error",
                 asc_get_error(),
                 window);
         asc_clear_error();
         return true;
     } else {
         return false;
     }
 }
 int main(int argc, char** argv) {
     asc_context_initialize();
     if (show_message_box_on_error(NULL)) return 1;
     AscWindowSettings settings;
     asc_window_settings_init_defaults(&settings);
     settings.title = "Sandbox Application";
     AscWindow *window = asc_window_initialize(0, &settings);
     asc_shader_initialize_predefined();
     AscTextNode fps_counter = {0};
     unsigned last_fps = 0;
     while (asc_loop_next()) {
         // quit application on any error
         if (show_message_box_on_error(window->window)) break;
         // fps counter
         if (asc_context.elapsed_millis > 0) {
             unsigned fps = 1000u / asc_context.elapsed_millis;
             if (fps != last_fps) {
                 last_fps = fps;
                 asc_set_font(asc_font(ASC_FONT_REGULAR, 24));
                 asc_ink_rgb(255, 0, 0);
                 cxmutstr fpstext = cx_asprintf("%u FPS", fps);
                 asc_text_draw(&fps_counter, (asc_vec2i) {50, 50}, fpstext);
                 cx_strfree(&fpstext);
             } else {
                 asc_text_redraw(&fps_counter);
             }
         }
     }
     // TODO: maybe nodes should also be "garbage collected"
     asc_text_destroy(&fps_counter);
     asc_context_destroy();
     return 0;
 }

Mercurial > hg > ascension / annotate

test/sandbox.c@c5dde81b6fb2 (annotated)

test/sandbox.c