refactor(card_base): 分离高亮和不可用的 sprite

* 将 card_base_highlighted.png 修改为仅包含高亮不包含背景色的 card_base_highlight_border.png
* 将原先的 AnimatedSprite2D 场景分离为 DisabledSprite、HighlightSprite 和 CardBaseSprite

objects/card_base/card_base.tscn

@@ -5,7 +5,7 @@
 [ext_resource type="FontFile" uid="uid://1000owdyvwfg" path="res://fonts/unifont-15.1.04.otf" id="3_0qykx"]
 [ext_resource type="Texture2D" uid="uid://b5d2rfms7vyfi" path="res://objects/card_base/card_base1.png" id="3_h7i1h"]
 [ext_resource type="Texture2D" uid="uid://bkjbrw1ppac5q" path="res://objects/card_base/card_base_disabled.png" id="4_0unxr"]
-[ext_resource type="Texture2D" uid="uid://cs7vfmsrhpomj" path="res://objects/card_base/card_base_highlighted.png" id="5_tkdj2"]
+[ext_resource type="Texture2D" uid="uid://bkuwo3g8pyuyi" path="res://objects/card_base/card_base_highlight_border.png" id="5_r41oe"]
 [ext_resource type="AudioStream" uid="uid://0sefo32v1jne" path="res://objects/card_base/pick_up.wav" id="7_0c7kt"]
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_2cmwb"]
@@ -28,14 +28,6 @@ animations = [{
 "loop": true,
 "name": &"disabled",
 "speed": 5.0
-}, {
-"frames": [{
-"duration": 1.0,
-"texture": ExtResource("5_tkdj2")
-}],
-"loop": true,
-"name": &"highlighted",
-"speed": 5.0
 }]
 
 [node name="CardBase" type="Area2D"]
@@ -45,10 +37,20 @@ script = ExtResource("1_k5qn1")
 shape = SubResource("RectangleShape2D_2cmwb")
 debug_color = Color(0.65098, 0.431373, 0.756863, 0.419608)
 
+[node name="CardBaseSprite" type="AnimatedSprite2D" parent="."]
+sprite_frames = SubResource("SpriteFrames_bhb3x")
+
 [node name="Word" parent="." instance=ExtResource("2_jvsp3")]
-z_index = 1
 frame_progress = 0.953211
 
+[node name="HighlightSprite" type="Sprite2D" parent="."]
+visible = false
+texture = ExtResource("5_r41oe")
+
+[node name="DisabledSprite" type="Sprite2D" parent="."]
+visible = false
+texture = ExtResource("4_0unxr")
+
 [node name="Label" type="Label" parent="."]
 offset_left = -13.0
 offset_top = 17.0
@@ -59,9 +61,6 @@ text = "0"
 horizontal_alignment = 1
 vertical_alignment = 1
 
-[node name="AnimatedSprite2D" type="AnimatedSprite2D" parent="."]
-sprite_frames = SubResource("SpriteFrames_bhb3x")
-
 [node name="Cards" type="Node" parent="."]
 
 [node name="FadeTimer" type="Timer" parent="."]

objects/card_base/card_base_highlighted.png.import → objects/card_base/card_base_highlight_border.png.import

@@ -2,16 +2,16 @@
 
 importer="texture"
 type="CompressedTexture2D"
-uid="uid://cs7vfmsrhpomj"
-path="res://.godot/imported/card_base_highlighted.png-50d4af98046c8a87d73d61ca6664f89e.ctex"
+uid="uid://bkuwo3g8pyuyi"
+path="res://.godot/imported/card_base_highlight_border.png-02641e6f6e23a694917134adadde948a.ctex"
 metadata={
 "vram_texture": false
 }
 
 [deps]
 
-source_file="res://objects/card_base/card_base_highlighted.png"
-dest_files=["res://.godot/imported/card_base_highlighted.png-50d4af98046c8a87d73d61ca6664f89e.ctex"]
+source_file="res://objects/card_base/card_base_highlight_border.png"
+dest_files=["res://.godot/imported/card_base_highlight_border.png-02641e6f6e23a694917134adadde948a.ctex"]
 
 [params]