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Add global update loop, and cleanup

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This commit is contained in:
Daanish
2026-05-21 09:43:13 +01:00
parent 72304ee925
commit e1d18743b5
4 changed files with 53 additions and 15 deletions
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include/app/app.h
+10 -3
View File
@@ -169,10 +169,9 @@ struct Scene {
}
}
void update_scene(uint64_t delta_time) {
void update_scene(mrb_value dt_val) {
if (mrb_nil_p(update.proc))
return;
mrb_value dt_val = mrb_float_value(Ruby::mrb, delta_time / 1e9);
update.call(1, &dt_val);
}
@@ -200,6 +199,8 @@ struct Scene {
} else if (e->click_mode == ClickMode::BLOCK) {
result.push_back(*it);
break;
} else {
continue;
}
}
}
@@ -240,6 +241,7 @@ struct App {
std::vector<Key> released_keys;
Vec2<float> scroll = {0, 0};
std::string text = "";
Ruby::Block update;
void exit() {
running = false;
@@ -335,7 +337,12 @@ struct App {
}
}
scene->update_scene(dt);
int ai = mrb_gc_arena_save(Ruby::mrb);
mrb_value dt_val = mrb_float_value(Ruby::mrb, dt / 1e9);
update.call(1, &dt_val);
scene->update_scene(dt_val);
mrb_gc_arena_restore(Ruby::mrb, ai);
scene->render(window, window.get_time());
window.render();
include/binding/definitions.h
+22 -4
View File
@@ -1629,6 +1629,22 @@ static mrb_value app_start(mrb_state *mrb, mrb_value) {
return mrb_nil_value();
}
static mrb_value app_current_scene(mrb_state *mrb, mrb_value) {
uint64_t id = app_->current_scene_id;
if (id == UINT64_MAX)
return mrb_nil_value();
app::Scene *scene = app::scene_pool[id];
app::scene_pool.use(id);
return wrap(mrb, mrb_class_get(mrb, "Scene"), &Scene_type, id);
}
static mrb_value app_on_update(mrb_state *mrb, mrb_value) {
mrb_value block;
mrb_get_args(mrb, "&", &block);
app_->update.set_proc(block);
return mrb_nil_value();
}
static mrb_value app_switch_to(mrb_state *mrb, mrb_value) {
mrb_value scene_val;
mrb_get_args(mrb, "o", &scene_val);
@@ -1772,7 +1788,7 @@ inline void setup() {
ADD_METHOD(ElementText, "eql?", element_text_equal, MRB_ARGS_REQ(1));
ADD_METHOD(ElementText, "inspect", element_text_inspect, MRB_ARGS_NONE());
ADD_METHOD(ElementText, "hash", element_text_hash, MRB_ARGS_NONE());
ADD_METHOD(ElementText, "on_click", element_text_on_click, MRB_ARGS_BLOCK());
ADD_METHOD(ElementText, "click", element_text_on_click, MRB_ARGS_BLOCK());
ADD_METHOD(ElementText, "to_s", element_text_to_s, MRB_ARGS_NONE());
ADD_METHOD(ElementText, "key=", element_text_key_set, MRB_ARGS_REQ(1));
ADD_METHOD(ElementText, "key", element_text_key_get, MRB_ARGS_NONE());
@@ -1807,7 +1823,7 @@ inline void setup() {
ADD_METHOD(ElementRect, "inspect", element_rect_inspect, MRB_ARGS_NONE());
ADD_METHOD(ElementRect, "to_s", element_rect_inspect, MRB_ARGS_NONE());
ADD_METHOD(ElementRect, "hash", element_rect_hash, MRB_ARGS_NONE());
ADD_METHOD(ElementRect, "on_click", element_rect_on_click, MRB_ARGS_BLOCK());
ADD_METHOD(ElementRect, "click", element_rect_on_click, MRB_ARGS_BLOCK());
ADD_METHOD(ElementRect, "width=", element_rect_width_set, MRB_ARGS_REQ(1));
ADD_METHOD(ElementRect, "width", element_rect_width_get, MRB_ARGS_NONE());
ADD_METHOD(ElementRect, "height=", element_rect_height_set, MRB_ARGS_REQ(1));
@@ -1830,7 +1846,7 @@ inline void setup() {
ADD_METHOD(ElementRect, "click_mode", element_rect_click_mode_get, MRB_ARGS_NONE());
DEF_CLASS(ElementImage, MRB_ARGS_REQ(1) | MRB_ARGS_OPT(1));
ADD_METHOD(ElementImage, "on_click", element_image_on_click, MRB_ARGS_BLOCK());
ADD_METHOD(ElementImage, "click", element_image_on_click, MRB_ARGS_BLOCK());
ADD_METHOD(ElementImage, "==", element_image_equal, MRB_ARGS_REQ(1));
ADD_METHOD(ElementImage, "eql?", element_image_equal, MRB_ARGS_REQ(1));
ADD_METHOD(ElementImage, "inspect", element_image_inspect, MRB_ARGS_NONE());
@@ -1862,7 +1878,7 @@ inline void setup() {
ADD_METHOD(Scene, "<<", scene_add_element, MRB_ARGS_REQ(1));
ADD_METHOD(Scene, "delete", scene_delete_element, MRB_ARGS_REQ(1));
ADD_METHOD(Scene, "remove", scene_delete_element, MRB_ARGS_REQ(1));
ADD_METHOD(Scene, "on_update", scene_on_update, MRB_ARGS_BLOCK());
ADD_METHOD(Scene, "update", scene_on_update, MRB_ARGS_BLOCK());
ADD_METHOD(Scene, "elements_at", scene_elements_at, MRB_ARGS_REQ(1));
ADD_METHOD(Scene, "elements", scene_elements, MRB_ARGS_NONE());
@@ -1870,6 +1886,8 @@ inline void setup() {
ADD_MODULE_METHOD(App, "run", app_run, MRB_ARGS_REQ(3) | MRB_ARGS_OPT(1));
ADD_MODULE_METHOD(App, "start", app_start, MRB_ARGS_REQ(1));
ADD_MODULE_METHOD(App, "switch_to", app_switch_to, MRB_ARGS_REQ(1));
ADD_MODULE_METHOD(App, "scene", app_current_scene, MRB_ARGS_NONE());
ADD_MODULE_METHOD(App, "update", app_on_update, MRB_ARGS_BLOCK());
ADD_MODULE_METHOD(App, "fps=", app_fps_set, MRB_ARGS_REQ(1));
ADD_MODULE_METHOD(App, "fps", app_fps_get, MRB_ARGS_NONE());
ADD_MODULE_METHOD(App, "localize", app_localize, MRB_ARGS_REQ(3));
samples/button.rb
+19 -8
View File
@@ -12,19 +12,32 @@ bg_animation = Animation.new [bg_image1, bg_image2], fps: 5
App.language = :en
App.localize(:en, :btn_text, "Click %{name}!")
text = ElementText.new :btn_text, default_font, 0xFFFF00, {name: "Me"}, position: {x: 50, y: 50}, z: 1, click_mode: :pass, alpha: 1
text = ElementText.new :btn_text, default_font, 0xFFFF00, {name: "Me"}, position: {x: 50, y: 50}, z: 1, click_mode: :block, alpha: 1
rect = ElementRect.new 100, 25, 0xFF0000, position: {x: 50, y: 50}, z: 0, rotation: 60, scale: { x: 1, y: 1 }, alpha: 0.4
rect = ElementRect.new 100, 25, 0xFF0000, position: {x: 50, y: 50}, z: 0, rotation: 60, scale: { x: 1, y: 1 }, alpha: 0.8, click_mode: :block
image_element = ElementImage.new bg_animation, position: {x: 0, y: 0}, z: -1, click_mode: :ignore, alpha: 1
pp text, rect, image_element
rect.on_click do
end_scene = Scene.new
end_scene << rect
text.click do
App.switch_to end_scene
end
image_element.click do
pp "Image clicked"
end
rect.click do
pp "Rect clicked", rect.color.to_s(16)
rect.color = rect.color == 0xFF0000 ?
0x00FF00 :
0xFF0000
main_scene << text unless main_scene.elements.include?(text)
text.params[:name] = text.params[:name] == "Me" ?
"You" :
"Me"
@@ -37,7 +50,7 @@ start = Time.now
c_ = 0.0
c_c = 0
main_scene.on_update do |delta_time|
App.update do |delta_time|
c_ += delta_time
c_c += 1
@@ -45,7 +58,7 @@ main_scene.on_update do |delta_time|
# commented out to avoid spamming the console, but you can uncomment to see the delta time being printed every frame
# runs at 60fps, so you should see around 16-17ms being printed
el = main_scene.elements_at(App.mouse_position)
el = App.scene.elements_at(App.mouse_position)
pp App.text_input if App.text_input != ""
@@ -68,8 +81,6 @@ main_scene << text
main_scene << rect
main_scene << image_element
main_scene.delete(text)
App.start main_scene
time = Time.now - start
writeup/analysis.md
+2
View File
@@ -260,6 +260,8 @@ extra:
- network interface, with a lib to work with rack backends (and generic socket api)
- persistence store
- rng helpers
- tweening system
- layout system
## Embedded scripting language choice.