Extensive work done on basically everything. Attacks prototyped, animations prototyped, pawnbody split out, all traps but pitfall implemented, UI hooked up more.

scripts/gas_emitter.gd

@@ -0,0 +1,46 @@
+extends Node3D
+
+var gas_square_template = preload("res://templates/gas_square.tscn")
+var cycles : int = 3
+var square : Vector3i = Vector3i(2,0,0)
+var squares : Dictionary[Vector3i, bool] = {}
+var last_spread : Array[Vector3i]
+var trap_owner : int
+var damage : int = 4
+
+func _ready() -> void:
+	emit_gas.call_deferred(square)
+	last_spread = [square]
+	squares[square] = true
+
+func _on_timeout() -> void:
+	cycles -= 1
+	if cycles <= 0:
+		queue_free()
+		return
+	spread()
+
+func spread() -> void:
+	var new_squares : Dictionary[Vector3i, bool] = {}
+	for square in last_spread:
+		for i in range(-1, 2):
+			for j in range(-1, 2):
+				for k in range(-1, 2):
+					var ts = square + Vector3i(i, j, k)
+					new_squares[square + Vector3i(i, j, k)] = true
+	last_spread = []
+	for square in new_squares.keys():
+		if squares.has(square):
+			continue
+		var floor_square = square + Vector3i(0,-1,0)
+		if(Game.level.floor_layer.get_cell_item(floor_square) == GridMap.INVALID_CELL_ITEM
+		and Game.level.ramp_layer.get_cell_item(floor_square) == GridMap.INVALID_CELL_ITEM):
+			continue
+		last_spread.append(square)
+		squares[square] = true
+		emit_gas(square)
+
+func emit_gas(square) -> void:
+	var gas = gas_square_template.instantiate()
+	gas.setup(trap_owner, damage)
+	Game.level.add_vfx(gas, square)