universe@0: /*
universe@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
universe@0:  * Copyright 2023 Mike Becker. All rights reserved.
universe@0:  *
universe@0:  * Redistribution and use in source and binary forms, with or without
universe@0:  * modification, are permitted provided that the following conditions are met:
universe@0:  *
universe@0:  *   1. Redistributions of source code must retain the above copyright
universe@0:  *      notice, this list of conditions and the following disclaimer.
universe@0:  *
universe@0:  *   2. Redistributions in binary form must reproduce the above copyright
universe@0:  *      notice, this list of conditions and the following disclaimer in the
universe@0:  *      documentation and/or other materials provided with the distribution.
universe@0:  *
universe@0:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
universe@0:  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
universe@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
universe@0:  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
universe@0:  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
universe@0:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
universe@0:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
universe@0:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
universe@0:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
universe@0:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
universe@0:  * POSSIBILITY OF SUCH DAMAGE.
universe@0:  */
universe@0: 
universe@48: #include "ascension/core.h"
universe@48: #include <ascension/ui.h>
universe@48: 
universe@16: #include <cx/printf.h>
universe@0: 
universe@33: static void update_fps_counter(AscSceneNode *node) {
universe@46:     static uint64_t last_fps = 0;
universe@46:     static uint64_t debounce = ASC_NANOS_SECOND - 1;
universe@46:     debounce += asc_context.frame_nanos;
universe@46:     // only update text every seconds
universe@46:     if (debounce >= ASC_NANOS_SECOND) {
universe@33:         debounce = 0;
universe@46:         uint64_t fps = ASC_NANOS_SECOND;
universe@46:         fps /= asc_context.frame_nanos;
universe@33:         if (fps != last_fps) {
universe@33:             last_fps = fps;
universe@46:             snprintf(asc_text_data(node)->text, 11, "%"PRIu64" FPS", fps);
universe@33:             asc_node_update(node);
universe@33:         }
universe@0:     }
universe@0: }
universe@0: 
universe@33: static void create_fps_counter(void) {
universe@33:     asc_set_font(asc_font(ASC_FONT_REGULAR, 24));
universe@33:     asc_ink_rgb(255, 0, 0);
universe@46:     AscSceneNode* node = asc_text(10, 10, "XXXXXXX FPS");
universe@36:     asc_scene_add_behavior(node, update_fps_counter);
universe@47:     asc_scene_node_link(asc_window_active->ui, node);
universe@37: }
universe@37: 
universe@37: static void update_score_counter(AscSceneNode *node) {
universe@37:     // tie to bottom left of the screen
universe@37:     if (asc_window_active->resized) {
universe@37:         asc_vec2i bottom_left = asc_window_active->dimensions;
universe@45:         asc_vec2i scale = asc_get_scale2d(node);
universe@45:         asc_set_position2d(
universe@45:                 node,
universe@45:                 bottom_left.x - scale.width - 10,
universe@45:                 bottom_left.y - scale.height - 10
universe@45:         );
universe@37:     }
universe@37: }
universe@37: 
universe@37: static void create_score_counter(void) {
universe@37:     asc_set_font(asc_font(ASC_FONT_BOLD, 14));
universe@37:     asc_ink_rgb(0, 255, 0);
universe@37:     AscSceneNode* node = asc_text(0, 0, "Score: 0");
universe@37:     asc_scene_add_behavior(node, update_score_counter);
universe@47:     asc_scene_node_link(asc_window_active->ui, node);
universe@33: }
universe@33: 
universe@0: int main(int argc, char** argv) {
universe@0:     asc_context_initialize();
universe@33:     if (asc_has_error()) {
universe@33:         SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR,
universe@33:                 "Fatal Error",asc_get_error(),NULL);
universe@33:         return 1;
universe@33:     }
universe@0: 
universe@44:     // create window
universe@0:     AscWindowSettings settings;
universe@0:     asc_window_settings_init_defaults(&settings);
universe@36:     settings.title = "Snake";
universe@7:     AscWindow *window = asc_window_initialize(0, &settings);
universe@16: 
universe@37:     // create UI elements
universe@33:     create_fps_counter();
universe@37:     create_score_counter();
universe@37: 
universe@16: 
universe@33:     // Main Loop
universe@29:     do {
universe@0:         // quit application on any error
universe@33:         if (asc_has_error()) {
universe@33:             SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR,
universe@33:                     "Fatal Error", asc_get_error(), window->window);
universe@33:             asc_clear_error();
universe@33:             break;
universe@16:         }
universe@29:     } while (asc_loop_next());
universe@16: 
universe@0:     asc_context_destroy();
universe@0:     return 0;
universe@0: }
universe@0: