minesweeper.gd

extends Node2D

var size 
var bombs
var field
var first_click

func _ready():
	size = GameState.board_size()
	bombs= GameState.bomb_count()
	$count.text = str(bombs)
	field=Util.arr(size.x)
	first_click = true
	for i in size.x:
		field[i]=Util.arr(size.y)
		for j in size.y:
			create_square(true,i,j)
			
func create_square(visible,i,j):
	var newSquare = $SquarePrototype.duplicate()
	newSquare.set_position(Vector2(100+i*$SquarePrototype.width(),100+j*$SquarePrototype.height()))
	newSquare.visible = visible
	newSquare.position=[i,j]
	add_child(newSquare)
	field[i][j]=newSquare
	newSquare.connect("gui_input",newSquare,"process_input")

func left_click(square,e):
	place_mines_on_first_click(square.position)
	square.disable_input()
	if square.mine:
		GameState.defeat=true
		Util.goto_scene("game_over_splash.tscn")
	else:
		square.icon = null
		if count_adjacent_mines(square.position) == 0 :
			square.text = " "
			click_neighbours(square.position,e)
		else:
			square.text = str(count_adjacent_mines(square.position))
	check_for_victory()

func place_mines_on_first_click(position):
	if first_click:
		first_click = false
		for i in size.x:
			for j in size.y:
				field[i][j].right_clickable = true
		place_mines(position)
		
func place_mines(exclude):
	var coords=[]
	for i in int(size.x):
		for j in int(size.y):
			coords.append([i,j])
			
	coords.erase(exclude)
	
	var temp = null 
	for coord in neigbours(exclude):
		coords.erase(coord)
		temp=coord
	
	for coord in neigbours(temp):
		coords.erase(coord)
		
	while(coords.size()>bombs):
		coords.remove(randi() % coords.size())
	for point in coords:
		field[point[0]][point[1]].mine=true
		
func neigbours(pos):
	var rv = []
	for point in Util.around(pos):
		if(on_board(point)):
			rv.append(point)
	return rv
	
func on_board(point):
	return point[0]>=0 and point[0] < size.x and point[1]>=0 and point[1]<size.y

func count_adjacent_mines(pos):
	var count = 0
	for point in neigbours(pos):
		if field[point[0]][point[1]].mine:
			count += 1
	return count

func click_neighbours(pos,e):
	for neighbour in neigbours(pos):
		field[neighbour[0]][neighbour[1]].process_input(e)

func back():
	Util.goto_scene("main_menu.tscn")

func reduce_mine_count():
	bombs = bombs - 1
	$count.text = str(bombs)
	check_for_victory()

func check_for_victory():
	if bombs == 0 and is_victorious():
		GameState.register_score($Timer/RichTextLabel.text)
		Util.goto_scene("game_over_splash.tscn")

func increase_mine_count():
	bombs = bombs + 1
	$count.text = str(bombs)

func is_victorious():
	
	for i in size.x:
		for j in size.y:
			if field[i][j].mine != field[i][j].flag:
				return false
			if field[i][j].left_clickable:
				return false
	return true