summaryrefslogtreecommitdiffstats
path: root/demo/Map.gd
blob: abfc231d1d57114cb3543b3429757546741333d1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
extends Sprite

signal hex_touched(pos, hex, key)

const MAPH : String = "res://demo/assets/map-h.png"
const MAPV : String = "res://demo/assets/map-v.png"
const BLOCK : String = "res://demo/assets/block.png"
const BLACK : String = "res://demo/assets/black.png"
const MOVE : String = "res://demo/assets/move.png"
const SHORT : String = "res://demo/assets/short.png"
const RED : String = "res://demo/assets/red.png"
const GREEN : String = "res://demo/assets/green.png"
const TREE : String = "res://demo/assets/tree.png"
const CITY : String = "res://demo/assets/city.png"
const MOUNT : String = "res://demo/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()
	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 is_instance_valid(board) and 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 v : bool = (is_instance_valid(board) and board.v)
	var v0 : Vector2 = Vector2(50, 100)
	if centered:
		var ts : Vector2 = texture.get_size()
		if v:
			v0.x -= ts.y / 2
			v0.y -= ts.x / 2
		else:
			v0 -= ts / 2
	if v:
		hex_rotation = 30
		board = HexBoard.new(10, 4, 100, v0, false, funcref(self, "get_tile"))
	else:
		hex_rotation = 0
		board = HexBoard.new(10, 7, 100, v0, true, funcref(self, "get_tile"))

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)