first commit

screens/animations/add_animation_clip.py

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+import json
+
+import db
+
+from .ensure_animation_schema import ensure_animation_schema
+
+# Point de départ raisonnable pour un nouveau clip "personnalisé" : un
+# fondu simple de 0 à 1, que le créateur du jeu peut ensuite modifier ou
+# remplacer entièrement dans l'éditeur de images-clés.
+_DEFAULT_CUSTOM_KEYFRAMES = [
+    {"percent": 0, "props": {"opacity": "0"}},
+    {"percent": 100, "props": {"opacity": "1"}},
+]
+
+
+def add_animation_clip(slug, screen_id, element_id, kind="animate_css", animate_name=None,
+                        custom_keyframes=None, start_time=0, duration=1, delay=0,
+                        easing="ease", iteration_count="1"):
+    ensure_animation_schema(slug)
+    if kind == "custom" and not custom_keyframes:
+        custom_keyframes = _DEFAULT_CUSTOM_KEYFRAMES
+    if kind == "animate_css" and not animate_name:
+        animate_name = "fadeIn"
+    keyframes_json = json.dumps(custom_keyframes) if custom_keyframes else None
+    conn = db.connect(slug)
+    conn.execute(
+        """INSERT INTO _animation_clips
+           (screen_id, element_id, kind, animate_name, custom_keyframes,
+            start_time, duration, delay, easing, iteration_count)
+           VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)""",
+        (screen_id, element_id, kind, animate_name, keyframes_json,
+         float(start_time), float(duration), float(delay), easing, str(iteration_count)),
+    )
+    clip_id = conn.execute("SELECT last_insert_rowid() AS id").fetchone()["id"]
+    conn.commit()
+    conn.close()
+    return clip_id