1 files changed, 60 insertions, 0 deletions
diff --git a/rust/src/buff_phase.rs b/rust/src/buff_phase.rs
new file mode 100644
index 0000000..e64508e
--- /dev/null
+++ b/rust/src/buff_phase.rs
@@ -0,0 +1,60 @@
+use gdnative::api::*;
+use gdnative::prelude::*;
+use crate::buff_trait::Buff;
+
+struct BuffPhase {
+    name: String,
+    description: String,
+    rigid_body: Option<Ref<RigidBody>>,
+
+    wall_layer_bit: i64,
+}
+
+impl BuffPhase {
+    fn new(rigid_body: Option<Ref<RigidBody>>) -> Self {
+        // calculate the bit for the mask to enable/ disable collision detection
+        let mask_layer = 2;
+        let mask_bit = 2_i64.pow(mask_layer - 1);
+
+        BuffPhase {
+            name: String::from("Phase"),
+            description: String::from("Phases through thin fences"),
+            rigid_body,
+
+            wall_layer_bit: mask_bit,
+        }
+    }
+}
+
+impl Buff for BuffPhase {
+    unsafe fn execute_buff(&mut self) {
+        match &self.rigid_body {
+            Some(body) => {
+                // actually disable the collision to the fences
+                let save_body = body.assume_safe();
+                save_body.set_collision_mask_bit(self.wall_layer_bit, false);
+            },
+            None => godot_warn!("Rigid body not found")
+        }
+    }
+
+    unsafe fn revert_buff(& mut self) {
+        // make sure the rigid body exists
+        match &self.rigid_body {
+            Some(body) => {
+                // actually enable the collision again
+                let save_body = body.assume_safe();
+                save_body.set_collision_mask_bit(self.wall_layer_bit, false);
+            },
+            None => godot_warn!("Rigid body not found")
+        }
+    }
+
+    fn get_name(self) -> GodotString {
+        GodotString::from_str(self.name)
+    }
+
+    fn get_description(self) -> GodotString {
+        GodotString::from_str(self.description)
+    }
+}