Trying to generate a world with multiple islands

Globals.gd

@@ -26,6 +26,7 @@ func ClearDebugLabel():
 	
 	DebugLabel.text = ""
 
+
 func DebugLabelAdd(text):
 	if DebugLabel == null:
 		return
@@ -42,5 +43,13 @@ func ScreenToHex(pos: Vector2, camera: Camera2D):
 	return Globals.HexGrid.get_hex_at(ScreenToWorld(pos, camera)).axial_coords
 
 
+func HexToWorld(coord: Vector2):
+	return Globals.HexGrid.get_hex_center(coord)
+
+
+func WorldToHex(pos: Vector2):
+	return Globals.HexGrid.get_hex_at(pos).axial_coords
+
+
 func WorldToScreen(pos: Vector2, camera: Camera2D):
 	return pos * camera.zoom + camera.offset

scenes/Editor.gd

@@ -83,7 +83,7 @@ func _on_EditIslandButton_toggled(button_pressed):
 	print (button_pressed)
 
 
-func _on_IslandIndex_value_changed(value):
+func _on_IslandIndex_value_changed(_value):
 	var island = world.current_island
 	if last_index >= 0:
 		island.save_island(get_island_filename_for_index(last_index))

scenes/Game.tscn

@@ -30,11 +30,11 @@ current = true
 [node name="Grid" type="Node2D" parent="World"]
 script = ExtResource( 2 )
 
+[node name="Islands" type="Node2D" parent="World"]
+
 [node name="GridHighlight" type="Node2D" parent="World"]
 script = ExtResource( 8 )
 
-[node name="Islands" type="Node2D" parent="World"]
-
 [node name="UI" type="CanvasLayer" parent="World"]
 
 [node name="TopContainer" type="HBoxContainer" parent="World/UI"]
@@ -47,20 +47,25 @@ __meta__ = {
 [node name="EditIslandButton" type="CheckButton" parent="World/UI/TopContainer"]
 margin_right = 117.0
 margin_bottom = 40.0
-pressed = true
 text = "Editor"
 
-[node name="Offset" type="Label" parent="World/UI/TopContainer"]
+[node name="Button" type="Button" parent="World/UI/TopContainer"]
 margin_left = 121.0
+margin_right = 192.0
+margin_bottom = 40.0
+text = "Generate"
+
+[node name="Offset" type="Label" parent="World/UI/TopContainer"]
+margin_left = 196.0
 margin_top = 13.0
-margin_right = 168.0
+margin_right = 243.0
 margin_bottom = 27.0
 text = "Offset: "
 
 [node name="OffsetValue" type="Label" parent="World/UI/TopContainer"]
-margin_left = 172.0
+margin_left = 247.0
 margin_top = 13.0
-margin_right = 192.0
+margin_right = 267.0
 margin_bottom = 27.0
 text = "0,0"
 __meta__ = {
@@ -68,16 +73,16 @@ __meta__ = {
 }
 
 [node name="Zoom" type="Label" parent="World/UI/TopContainer"]
-margin_left = 196.0
+margin_left = 271.0
 margin_top = 13.0
-margin_right = 245.0
+margin_right = 320.0
 margin_bottom = 27.0
 text = " Zoom: "
 
 [node name="ZoomValue" type="Label" parent="World/UI/TopContainer"]
-margin_left = 249.0
+margin_left = 324.0
 margin_top = 13.0
-margin_right = 269.0
+margin_right = 344.0
 margin_bottom = 27.0
 text = "0.0"
 __meta__ = {
@@ -85,31 +90,45 @@ __meta__ = {
 }
 
 [node name="HexCoord" type="Label" parent="World/UI/TopContainer"]
-margin_left = 273.0
+margin_left = 348.0
 margin_top = 13.0
-margin_right = 347.0
+margin_right = 422.0
 margin_bottom = 27.0
 text = " HexCoord: "
 
 [node name="HexCoordValue" type="Label" parent="World/UI/TopContainer"]
-margin_left = 351.0
+margin_left = 426.0
 margin_top = 13.0
-margin_right = 379.0
+margin_right = 454.0
+margin_bottom = 27.0
+text = "(0,0)"
+
+[node name="WorldCoord" type="Label" parent="World/UI/TopContainer"]
+margin_left = 458.0
+margin_top = 13.0
+margin_right = 541.0
+margin_bottom = 27.0
+text = "WorldCoord: "
+
+[node name="WorldCoordValue" type="Label" parent="World/UI/TopContainer"]
+margin_left = 545.0
+margin_top = 13.0
+margin_right = 573.0
 margin_bottom = 27.0
 text = "(0,0)"
 
 [node name="VSeparator" type="VSeparator" parent="World/UI/TopContainer"]
-margin_left = 383.0
+margin_left = 577.0
-margin_right = 387.0
+margin_right = 581.0
 margin_bottom = 40.0
 __meta__ = {
 "_edit_use_anchors_": false
 }
 
 [node name="FPSValue" type="Label" parent="World/UI/TopContainer"]
-margin_left = 391.0
+margin_left = 585.0
 margin_top = 13.0
-margin_right = 399.0
+margin_right = 593.0
 margin_bottom = 27.0
 text = "0"
 align = 2
@@ -130,6 +149,7 @@ script = ExtResource( 7 )
 [node name="UI" type="CanvasLayer" parent="Editor"]
 
 [node name="Editor" type="VBoxContainer" parent="Editor/UI"]
+visible = false
 margin_left = 12.0
 margin_top = 53.0
 margin_right = 94.0
@@ -207,6 +227,7 @@ toggle_mode = true
 group = SubResource( 3 )
 text = "Grass"
 [connection signal="toggled" from="World/UI/TopContainer/EditIslandButton" to="Editor" method="_on_EditIslandButton_toggled"]
+[connection signal="pressed" from="World/UI/TopContainer/Button" to="World" method="_on_generate_button_pressed"]
 [connection signal="value_changed" from="Editor/UI/Editor/IslandIndex" to="Editor" method="_on_IslandIndex_value_changed"]
 [connection signal="pressed" from="Editor/UI/Editor/ClearWorldButton" to="Editor" method="_on_ClearWorldButton_pressed"]
 [connection signal="pressed" from="Editor/UI/Editor/LoadWorldButton" to="Editor" method="_on_LoadWorldButton_pressed"]

scenes/Grid.gd

@@ -35,19 +35,18 @@ func calc_grid_view_rect():
 
 
 func _process(_delta):
-	var view_grid_corners = calc_grid_view_rect()
+	view_grid_corners = calc_grid_view_rect()
 	if view_grid_corners != last_grid_corners:
 		update()
 
 
 func _draw():
-	var view_grid_corners = calc_grid_view_rect()
+	view_grid_corners = calc_grid_view_rect()
 	last_grid_corners = view_grid_corners
 	
 	var tl_tile_coords = Globals.HexGrid.get_hex_center(view_grid_corners[0])
 	var tr_tile_coords = Globals.HexGrid.get_hex_center(view_grid_corners[1])
 	var bl_tile_coords = Globals.HexGrid.get_hex_center(view_grid_corners[2])
-	var br_tile_coords = Globals.HexGrid.get_hex_center(view_grid_corners[3])
 	
 	var nc = ceil ((tr_tile_coords[0] - tl_tile_coords[0]) * 1.5 / Globals.hex_size)
 	var nr = ceil ((bl_tile_coords[1] - tr_tile_coords[1]) / Globals.hex_size) + 2

scenes/HexTileDrawer.gd

@@ -34,6 +34,7 @@ func set_hex_scale(scale):
 		SandColors.append("#ffa106")
 		GrassColors.append("#4b9635")
 		
+	
 	HexColors = { 
 		TileType.None: NoneColors,
 		TileType.Sand: SandColors,

scenes/Island.gd

@@ -1,6 +1,12 @@
 extends Node2D
 
 var tiles = {}
+var offset = Vector2.ZERO
+var center_coord = Vector2.ZERO
+var center_world_coord = Vector2.ZERO
+var tile_local_coords = []
+var rect_world = Rect2()
+var radius_world = 0.0
 
 # Called when the node enters the scene tree for the first time.
 func _ready():
@@ -17,11 +23,39 @@ func set_tile(coord: Vector2, value: String):
 	update()
 
 
+func set_offset(value: Vector2):
+	offset = value
+
+
 func clear_island():
 	tiles = {}
 	update()
 
 
+func calc_bbox():
+	var coord_min = Vector2.ONE * 10000
+	var coord_max = Vector2.ONE * -10000
+	
+	var coords = tiles.keys()
+	for coord in coords:
+		var local_coords = (coord)
+		tile_local_coords.append(local_coords)
+		if local_coords.x < coord_min.x:
+			coord_min.x = local_coords.x
+		if local_coords.y < coord_min.y:
+			coord_min.y = local_coords.y
+
+		if local_coords.x > coord_max.x:
+			coord_max.x = local_coords.x
+		if local_coords.y > coord_max.y:
+			coord_max.y = local_coords.y
+	
+	var hex_half_size = Vector2.ONE * Globals.hex_size * 0.5
+	rect_world = Rect2(coord_min - hex_half_size, coord_max - coord_min + hex_half_size * 2)
+	center_world_coord = Globals.HexToWorld(Globals.WorldToHex(coord_min + 0.5 * (coord_max - coord_min)))
+	radius_world = max(rect_world.size.x, rect_world.size.y) * 0.5
+
+
 func save_island(path: String):
 	var island_save_data = File.new()
 	island_save_data.open(path, File.WRITE)
@@ -60,10 +94,34 @@ func load_island(path: String):
 			coords = Vector2(float(regresult.get_string("tile_x")), float(regresult.get_string("tile_y")))
 			tiles[coords] = data[k]
 
+	name = path
+	calc_bbox()
 	update()
 
 
+func check_overlap(other):
+	var tile_offset = Globals.HexToWorld(offset)
+	var other_offset = Globals.HexToWorld(other.offset)
+
+	var rel_offset = other_offset - tile_offset
+	var dist = rel_offset.length() - radius_world - other.radius_world
+	
+	return dist < 0
+
+
 func _draw():
+	var tile_offset = Globals.HexToWorld(offset)
+	print (name, tile_offset)
 	for coord in tiles.keys():
-		draw_set_transform (coord, 0, Vector2.ONE)
+		draw_set_transform (coord + tile_offset, 0, Vector2.ONE)
 		draw_polygon(HexTileDrawer.HexPoints, HexTileDrawer.get_tile_color(tiles[coord]))
+
+	var transform = get_transform()
+	draw_set_transform(transform.origin + tile_offset, transform.get_rotation(), transform.get_scale())
+
+	draw_rect(rect_world, Color.red, false)
+	draw_circle(center_world_coord, radius_world, Color.brown)	
+	draw_circle(center_world_coord, 10, Color.red)
+	
+	var default_font = Control.new().get_font("font")
+	draw_string(default_font, Vector2(0, 0), name)

scenes/World.gd

@@ -10,6 +10,7 @@ onready var WorldCamera = get_node("Camera")
 onready var OffsetValueLabel = get_node("UI/TopContainer/OffsetValue")
 onready var ZoomValueLabel = get_node("UI/TopContainer/ZoomValue")
 onready var HexCoordValueLabel = get_node("UI/TopContainer/HexCoordValue")
+onready var WorldCoordValueLabel = get_node("UI/TopContainer/WorldCoordValue")
 onready var PlayerChar = get_node("PlayerChar")
 onready var FPSValueLabel = get_node("UI/TopContainer/FPSValue")
 
@@ -30,15 +31,48 @@ func _ready():
 	Grid.view_camera = WorldCamera
 	GridHighlight.view_camera = WorldCamera
 	
-	current_island = Island.new()
+	generate()
-	Islands.add_child(current_island)
-	
-	current_island.load_island("user://pirate_game_island_0.island")
 
 	# Set player starting position
 	PlayerChar.position = Globals.HexGrid.get_hex_center(Vector2(0,0))
 
 
+func generate():
+	var rng = RandomNumberGenerator.new()
+	rng.randomize()
+	
+	islands.clear()
+	for island in Islands.get_children():
+		Islands.remove_child(island)
+		island.queue_free()
+	
+	var radius = 5
+	var num_islands = 3
+	for i in range (num_islands):
+		
+		var overlapping = true
+		var find_free_retries = 10
+		
+		var island = Island.new()
+		var file_name = "user://pirate_game_island_" + str(i) + ".island"
+		island.load_island(file_name)
+		
+		while overlapping and find_free_retries > 0:
+			overlapping = false
+			island.offset = Vector2(rng.randi_range(-radius, radius), rng.randi_range(-radius, radius))
+
+			for world_island in Islands.get_children():
+				overlapping = world_island.check_overlap(island)
+
+			find_free_retries = find_free_retries - 1
+		
+		if overlapping:
+			print ("Could not find free spot for island!")
+		else:
+			print ("Retries left: " + str(find_free_retries) )
+			Islands.add_child(island)
+
+
 func handle_game_event(event):
 	if event is InputEventMouseButton:
 		# Move main character
@@ -70,9 +104,10 @@ func _unhandled_input(event):
 	if 'position' in event:
 		hex_hover = Globals.ScreenToHex(event.position, WorldCamera)
 		GridHighlight.pos = hex_hover
-
 		HexCoordValueLabel.text = str(hex_hover)
 
+		WorldCoordValueLabel.text = str(Globals.ScreenToWorld(event.position, WorldCamera))
+
 		if is_dragging:
 			WorldCamera.offset = (drag_start - event.position) * WorldCamera.zoom.x
 
@@ -114,3 +149,7 @@ func load_world(path: String):
 			tile_data[coords] = data[k]
 	
 	update()
+
+
+func _on_generate_button_pressed():
+	generate()

scenes/pirate.gd

@@ -17,7 +17,7 @@ func get_input():
 		velocity.y -= 1
 	velocity = velocity.normalized() * speed
 	
-func _physics_process(delta):
+func _physics_process(_delta):
 	velocity = position.direction_to(target) * speed
 	if position.distance_to(target) > 5:
 		velocity = move_and_slide(velocity)