# HG changeset patch
# User Mike Becker <universe@uap-core.de>
# Date 1709764697 -3600
# Node ID e26b4ac1661c3d406d7674badf9622e796da2833
# Parent  674eb53c12f3e7880745c01fbb0ebee1ebe566c6
invert the logic of converting between specialized nodes and the generic interface

diff -r 674eb53c12f3 -r e26b4ac1661c src/ascension/text.h
--- a/src/ascension/text.h	Wed Mar 06 23:13:06 2024 +0100
+++ b/src/ascension/text.h	Wed Mar 06 23:38:17 2024 +0100
@@ -49,17 +49,24 @@
 /**
  * Creates a text node.
  *
- * The current context ink and font will be used and the
- * node will be automatically added to the UI scene of the
- * currently active window.
+ * The current context ink and font will be used.
  *
  * @param x the position where to draw the text
  * @param y the position where to draw the text
  * @param text the text to draw
+ * @return the scene node
+ *
  * @see asc_ink()
  * @see asc_font()
  */
-AscText *asc_text(int x, int y, char const* text);
+AscSceneNode *asc_text(int x, int y, char const* text);
+
+/**
+ * Provides access to the text data fields.
+ *
+ * @param node scene node created by asc_text()
+ */
+#define asc_text_data(node) ((AscText*)node)
 
 /**
  * Releases all the memory of this node.
diff -r 674eb53c12f3 -r e26b4ac1661c src/ascension/window.h
--- a/src/ascension/window.h	Wed Mar 06 23:13:06 2024 +0100
+++ b/src/ascension/window.h	Wed Mar 06 23:38:17 2024 +0100
@@ -59,6 +59,8 @@
     AscScene ui;
 } AscWindow;
 
+#define asc_window_active_ui &(asc_context.active_window->ui)
+
 /**
  * Initializes the settings structure with default values.
  *
diff -r 674eb53c12f3 -r e26b4ac1661c src/text.c
--- a/src/text.c	Wed Mar 06 23:13:06 2024 +0100
+++ b/src/text.c	Wed Mar 06 23:38:17 2024 +0100
@@ -99,7 +99,7 @@
     SDL_FreeSurface(surface);
 }
 
-AscText *asc_text(int x, int y, char const *text) {
+AscSceneNode *asc_text(int x, int y, char const *text) {
     AscText *node = calloc(1, sizeof(AscText));
     if (node == NULL) {
         asc_error("Out of memory.");
@@ -118,9 +118,7 @@
         node->text = strdup(text);
     }
 
-    asc_scene_add(&asc_context.active_window->ui, &node->base);
-
-    return node;
+    return &node->base;
 }
 
 void asc_text_free(AscText *node) {
diff -r 674eb53c12f3 -r e26b4ac1661c test/snake.c
--- a/test/snake.c	Wed Mar 06 23:13:06 2024 +0100
+++ b/test/snake.c	Wed Mar 06 23:38:17 2024 +0100
@@ -40,7 +40,7 @@
         fps /= asc_context.elapsed_millis;
         if (fps != last_fps) {
             last_fps = fps;
-            snprintf(((AscText*)node)->text, 9, "%u FPS", fps);
+            snprintf(asc_text_data(node)->text, 9, "%u FPS", fps);
             asc_node_update(node);
         }
     }
@@ -49,8 +49,9 @@
 static void create_fps_counter(void) {
     asc_set_font(asc_font(ASC_FONT_REGULAR, 24));
     asc_ink_rgb(255, 0, 0);
-    AscText* text = asc_text(10, 10, "XXXXX FPS");
-    asc_scene_add_behavior(asc_node(text), update_fps_counter);
+    AscSceneNode* node = asc_text(10, 10, "XXXXX FPS");
+    asc_scene_add_behavior(node, update_fps_counter);
+    asc_scene_add(asc_window_active_ui, node);
 }
 
 int main(int argc, char** argv) {
@@ -63,7 +64,7 @@
 
     AscWindowSettings settings;
     asc_window_settings_init_defaults(&settings);
-    settings.title = "Sandbox Application";
+    settings.title = "Snake";
 
     AscWindow *window = asc_window_initialize(0, &settings);
     asc_shader_initialize_predefined();