Make key items (flower and key staff)

Implement fog door for unlockable doors

Zennysoft.Game.Ma/src/map/dungeon/door/GlowDoor.gdshader

@@ -0,0 +1,25 @@
+shader_type spatial;
+render_mode unshaded, blend_mix;
+
+uniform sampler2D depth_texture : hint_depth_texture;
+uniform float hole_depth : hint_range(0.1, 10.0, 0.1) = 1.0;
+
+void fragment() {
+	
+	float depth = texture(depth_texture, SCREEN_UV).r;
+	
+	
+	float linear_depth = 1.0 / (depth * INV_PROJECTION_MATRIX[2].w + INV_PROJECTION_MATRIX[3].w);
+	
+	
+	linear_depth = linear_depth + VERTEX.z;
+	
+	
+	float fade = clamp(linear_depth / hole_depth, 0.0, 1.0);
+	
+	
+	ALBEDO = vec3(1.0);
+	
+	
+	ALPHA = fade;
+}

Zennysoft.Game.Ma/src/map/dungeon/door/GlowDoor.gdshader.uid

@@ -0,0 +1 @@
+uid://6vedw540l3p2