1 files changed, 174 insertions, 0 deletions
diff --git a/demo/Map.gd b/demo/Map.gd
new file mode 100644
index 0000000..81c5c36
--- /dev/null
+++ b/demo/Map.gd
@@ -0,0 +1,174 @@
+extends Sprite
+
+signal hex_touched(pos, hex, key)
+
+const MAPH : String = "res://assets/map-h.png"
+const MAPV : String = "res://assets/map-v.png"
+const BLOCK : String = "res://assets/block.png"
+const BLACK : String = "res://assets/black.png"
+const MOVE : String = "res://assets/move.png"
+const SHORT : String = "res://assets/short.png"
+const RED : String = "res://assets/red.png"
+const GREEN : String = "res://assets/green.png"
+const TREE : String = "res://assets/tree.png"
+const CITY : String = "res://assets/city.png"
+const MOUNT : String = "res://assets/mountain.png"
+
+var drag : Sprite
+
+var board : HexBoard
+var prev : Vector2
+var hexes : Dictionary
+var hex_rotation : int
+var p0 : Vector2
+var p1 : Vector2
+var los : Array
+var move : Array
+var short : Array
+var influence : Array
+var unit : Unit
+var show_los : bool
+var show_move : bool
+var show_influence : bool
+
+func _ready():
+	drag = null
+	unit = Unit.new()
+	board = HexBoard.new()
+	board.tile_factory_fct = funcref(self, "get_tile")
+	board.v = false
+	rotate_map()
+
+func reset() -> void:
+	los.clear()
+	move.clear()
+	short.clear()
+	influence.clear()
+	hexes.clear()
+	hexes[-1] = Hex.new()	# off map
+	p0 = Vector2(0, 0)
+	p1 = Vector2(3, 3)
+	$Tank.position = board.center_of(p0)
+	$Target.position = board.center_of(p1)
+	for hex in $Hexes.get_children():
+		$Hexes.remove_child(hex)
+		hex.queue_free()
+	compute()
+
+func rotate_map() -> void:
+	texture = load(MAPH if board.v else MAPV)
+	configure()
+	reset()
+
+func set_mode(l : bool, m : bool, i : bool) -> void:
+	show_los = l
+	show_move = m
+	show_influence = i
+	compute()
+
+func configure() -> void:
+	var v0 : Vector2 = Vector2(50, 100)
+	if centered:
+		var ts : Vector2 = texture.get_size()
+		if board.v:	
+			v0.x -= ts.y / 2
+			v0.y -= ts.x / 2
+		else:
+			v0 -= ts / 2
+	if board.v:
+		hex_rotation = 30
+		board.configure(10, 4, 100, v0, false)
+	else:
+		hex_rotation = 0
+		board.configure(10, 7, 100, v0, true)
+
+func texture_size() -> Vector2:
+	return texture.get_size()
+
+func center() -> Vector2:
+	return Vector2(0, 0) if centered else texture.get_size() / 2
+
+func on_mouse_move() -> void:
+	if drag != null:
+		drag.position = get_local_mouse_position()
+
+func on_click(pressed : bool) -> bool:
+	var pos : Vector2 = get_local_mouse_position()
+	var coords : Vector2 = board.to_map(pos)
+	if pressed:
+		notify(pos, coords)
+		prev = coords
+		if board.to_map($Tank.position) == coords:
+			drag = $Tank
+		elif board.to_map($Target.position) == coords:
+			drag = $Target
+		else:
+			return true
+	else:
+		if drag:
+			if board.is_on_map(coords):
+				drag.position = board.center_of(coords)
+				if drag == $Tank: p0 = coords
+				else: p1 = coords
+				notify(pos, coords)
+				compute()
+			else:
+				drag.position = board.center_of(prev)
+			drag = null
+		else:
+			if coords == prev and board.is_on_map(coords):
+				change_tile(coords, pos)
+	return false
+
+func change_tile(coords : Vector2, pos : Vector2) -> void:
+	var hex : Hex = board.get_tile(coords)
+	hex.change()
+	notify(pos, coords)
+	compute()
+
+func get_tile(coords : Vector2, k : int) -> Tile:
+	if hexes.has(k): return hexes[k]
+	var hex : Hex = Hex.new()
+	hex.roads = get_road(k)
+	hex.rotation_degrees = hex_rotation
+	hex.configure(board.center_of(coords), coords, [RED, GREEN, BLACK, CITY, TREE, MOUNT, BLOCK, MOVE, SHORT])
+	hexes[k] = hex
+	$Hexes.add_child(hex)
+	return hex
+
+func get_road(k : int) -> int:
+	if not board.v: return 0
+	var v : int = 0
+	v += (HexBoard.Orientation.E if k in [19,20,21,23,24,42,43,44,45,46,47] else 0)
+	v += (HexBoard.Orientation.W if k in [19,20,21,22,24,25,43,44,45,46,47] else 0)
+	v += (HexBoard.Orientation.SE if k in [22,32,42,52,62] else 0)
+	v += (HexBoard.Orientation.NW if k in [32,42,52,62] else 0)
+	v += (HexBoard.Orientation.NE if k in [7,16,25,32] else 0)
+	v += (HexBoard.Orientation.SW if k in [7,16,23] else 0)
+	return v
+
+func notify(pos : Vector2, coords : Vector2) -> void:
+	emit_signal("hex_touched", pos, board.get_tile(coords), (board.key(coords) if board.is_on_map(coords) else -1))
+
+func compute() -> void:
+	$Los.visible = false
+	for hex in los: hex.show_los(false)
+	if show_los:
+		$Los.visible = true
+		var ct : Vector2 = board.line_of_sight(p0, p1, los)
+		$Los.setup($Tank.position, $Target.position, ct)
+		for hex in los: hex.show_los(true)
+	for hex in move: hex.show_move(false)
+	for hex in short: hex.show_short(false)
+	if show_move:
+		# warning-ignore:return_value_discarded
+		board.possible_moves(unit, board.get_tile(p0), move)
+		# warning-ignore:return_value_discarded
+		board.shortest_path(unit, board.get_tile(p0), board.get_tile(p1), short)
+		for hex in move: hex.show_move(true)
+		for i in range(1, short.size() -1): short[i].show_short(true)
+	for hex in influence: hex.show_influence(false)
+	if show_influence:
+		# warning-ignore:return_value_discarded
+		board.range_of_influence(unit, board.get_tile(p0), 0, influence)
+		for hex in influence: hex.show_influence(true)