diff -r 7daec2f067a9 -r 26ebb2f1e6e6 src/text.c
--- a/src/text.c	Wed Apr 10 19:43:34 2024 +0200
+++ b/src/text.c	Fri Apr 12 22:03:15 2024 +0200
@@ -30,6 +30,8 @@
 #include "ascension/error.h"
 #include "ascension/shader.h"
 
+#include <cx/printf.h>
+
 #include <GL/glew.h>
 
 static void asc_text_draw(AscText const *node) {
@@ -58,19 +60,27 @@
 
     // Render text onto a surface
     TTF_Font *font = asc_font_cache_validate(node->font)->ptr;
+    static int alignments[] = {
+            TTF_WRAPPED_ALIGN_LEFT,
+            TTF_WRAPPED_ALIGN_CENTER,
+            TTF_WRAPPED_ALIGN_RIGHT
+    };
     TTF_SetFontWrappedAlign(
-            font, node->centered ?
-                  TTF_WRAPPED_ALIGN_CENTER : TTF_WRAPPED_ALIGN_LEFT
-    );
+            font, alignments[node->base.flags & ASC_TEXT_ALIGNMENT_MASK]);
     SDL_Surface *surface = TTF_RenderUTF8_Blended_Wrapped(
-            font, node->text, asc_col_sdl(node->color), node->max_width
+            font, node->text.ptr, asc_col_sdl(node->color), node->max_width
     );
     if (surface == NULL) {
         asc_error(SDL_GetError());
         return;
     }
     asc_set_scale2d(&node->base, surface->w, surface->h);
-    asc_update_transform((AscSceneNode *) node);
+    if (asc_test_flag(node->base.flags, ASC_TEXT_CENTERED_FLAG)) {
+        unsigned short newoffx = surface->w / 2;
+        asc_vec2i pos = asc_get_position2d(&node->base);
+        asc_set_position2d(&node->base, pos.x + node->offx - newoffx, pos.y);
+        node->offx = newoffx;
+    }
 
     // Transfer Image Data
     asc_texture_from_surface(&node->tex, surface);
@@ -80,6 +90,7 @@
 }
 
 AscSceneNode *asc_text(int x, int y, char const *text) {
+    // TODO: implement fancy struct "named param" initialization
     AscText *node = calloc(1, sizeof(AscText));
 
     node->base.render_group = ASC_RENDER_GROUP_SPRITE_BLEND;
@@ -91,8 +102,10 @@
     node->base.position.y = (float) y;
     node->font = asc_context.active_font;
     node->color = asc_context.ink;
-    if (text != NULL) {
-        node->text = strdup(text);
+    if (text == NULL) {
+        node->text = cx_mutstr(strdup(" "));
+    } else {
+        node->text = cx_mutstr(strdup(text));
     }
 
     // initialize
@@ -103,6 +116,19 @@
 
 void asc_text_free(AscText *node) {
     asc_texture_destroy(&node->tex);
-    free(node->text);
+    cx_strfree(&node->text);
     free(node);
-}
\ No newline at end of file
+}
+
+void asc_text_printf(
+        AscSceneNode *node,
+        char const* format,
+        ...
+) {
+    cxmutstr text = ((AscText*)node)->text;
+    va_list ap;
+    va_start(ap, format);
+    cx_vsprintf(&text.ptr, &text.length, format, ap);
+    va_end(ap);
+    asc_node_update(node);
+}