new mutations wip

entities/plants/scripts/plant_mutation/cleaning_mutation.gd

@@ -0,0 +1,25 @@
+extends PlantMutation
+class_name CleaningMutation
+
+func get_icon() -> Texture:
+    return preload("res://common/icons/alert-triangle.svg")
+
+func get_mutation_id() -> String:
+    return "CLEANING"
+
+func get_mutation_name() -> String:
+    return tr("CLEANING")
+
+func get_mutation_description() -> String:
+    return tr("CLEANING_EFFECT_TEXT").format({
+        "purification_radius": get_purification_radius()
+    })
+
+func _start_dead_effect(plant: Plant):
+    plant.region.decontaminate(Math.get_tiles_in_circle(
+        plant.global_position,
+        get_purification_radius() * (Region.TILE_SIZE + Region.TILE_SIZE / 2.)
+    ))
+
+func get_purification_radius() -> int:
+    return level + 1 # one more than purification