ascension: test/sandbox.c@d0e88022e209

     1 /*

     2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

     3  * Copyright 2023 Mike Becker. All rights reserved.

     4  *

     5  * Redistribution and use in source and binary forms, with or without

     6  * modification, are permitted provided that the following conditions are met:

     7  *

     8  *   1. Redistributions of source code must retain the above copyright

     9  *      notice, this list of conditions and the following disclaimer.

    10  *

    11  *   2. Redistributions in binary form must reproduce the above copyright

    12  *      notice, this list of conditions and the following disclaimer in the

    13  *      documentation and/or other materials provided with the distribution.

    14  *

    15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

    16  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

    18  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE

    19  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

    20  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

    21  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

    22  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

    23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

    24  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

    25  * POSSIBILITY OF SUCH DAMAGE.

    26  */

    28 #include <ascension/ascension.h>

    29 #include <cx/printf.h>

    31 static bool show_message_box_on_error(SDL_Window* window) {

    32     if (asc_has_error()) {

    33         SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR,

    34                 "Fatal Error",

    35                 asc_get_error(),

    36                 window);

    37         asc_clear_error();

    38         return true;

    39     } else {

    40         return false;

    41     }

    42 }

    44 int main(int argc, char** argv) {

    45     asc_context_initialize();

    46     if (show_message_box_on_error(NULL)) return 1;

    48     AscWindowSettings settings;

    49     asc_window_settings_init_defaults(&settings);

    50     settings.title = "Sandbox Application";

    52     AscWindow *window = asc_window_initialize(0, &settings);

    53     asc_shader_initialize_predefined();

    55     asc_set_font(asc_font(ASC_FONT_REGULAR, 24));

    56     asc_ink_rgb(255, 0, 0);

    57     AscTextNode *fps_counter = asc_text(50, 50, "60 FPS");

    58     unsigned last_fps = 0;

    60     while (asc_loop_next()) {

    61         // quit application on any error

    62         if (show_message_box_on_error(window->window)) break;

    65         // fps counter

    66         if (asc_context.elapsed_millis > 0) {

    67             unsigned fps = 1000u / asc_context.elapsed_millis;

    68             if (fps != last_fps) {

    69                 last_fps = fps;

    70                 cxBufferClear(&fps_counter->text);

    71                 cx_bprintf(&fps_counter->text, "%u FPS", fps);

    72                 asc_text_update(fps_counter);

    73             }

    74         }

    75         asc_text_draw(fps_counter);

    76     }

    78     // TODO: maybe nodes should also be "garbage collected"

    79     asc_text_free(fps_counter);

    81     asc_context_destroy();

    82     return 0;

    83 }

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