Renamed mine to tile, since mine did not make sense as the name. Also rewrote the field initialization function to not theoretically go on forever

minesweeper/scenes/Tile.tscn

@@ -1,16 +1,16 @@
 [gd_scene load_steps=4 format=3 uid="uid://b03smhbrrkgmw"]
 
-[ext_resource type="Script" uid="uid://3wkgv7brl1l2" path="res://scripts/Mine.gd" id="1_rrkvo"]
-[ext_resource type="Texture2D" uid="uid://b26tmpl7dhsls" path="res://sprites/cover.png" id="3_ke0lc"]
+[ext_resource type="Script" uid="uid://3wkgv7brl1l2" path="res://scripts/Tile.gd" id="1_vhibn"]
+[ext_resource type="Texture2D" uid="uid://b26tmpl7dhsls" path="res://sprites/cover.png" id="2_r3gf4"]
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_xpffi"]
 size = Vector2(16, 16)
 
-[node name="Mine" type="Node2D"]
-script = ExtResource("1_rrkvo")
+[node name="Tile" type="Node2D"]
+script = ExtResource("1_vhibn")
 
 [node name="layer1" type="Sprite2D" parent="."]
-texture = ExtResource("3_ke0lc")
+texture = ExtResource("2_r3gf4")
 
 [node name="layer2" type="Sprite2D" parent="."]
 

minesweeper/scripts/Minefield.gd

@@ -2,14 +2,14 @@ class_name Minefield extends Node2D
 
 static var instance: Minefield
 
-@onready var minePrefab: PackedScene = preload("res://scenes/Mine.tscn")
+@onready var tilePrefab: PackedScene = preload("res://scenes/Tile.tscn")
 @onready var cam: Camera2D = $Camera2D
 
 @export var width: int = 10
 @export var height: int = 10
 @export var mineCount: int = 10
 
-var mines: Array[Mine]
+var tiles: Array[Tile]
 var spriteWidth: int = 16
 var fieldInitialized: bool = false
 
@@ -21,28 +21,27 @@ func _ready() -> void:
 	var scale: float = 1
 	for x: int in range(width):
 		for y: int in range(height):
-			var mine: Mine = minePrefab.instantiate()
-			mine.coord = Vector2i(x, y)
-			mine.position = Vector2(spriteWidth * x - (spriteWidth * (width / 2)) + (spriteWidth / 2),
+			var tile: Tile = tilePrefab.instantiate()
+			tile.coord = Vector2i(x, y)
+			tile.position = Vector2(spriteWidth * x - (spriteWidth * (width / 2)) + (spriteWidth / 2),
 									spriteWidth * y - (spriteWidth * (height / 2)) + (spriteWidth / 2))
-			add_child(mine)
-			mines.append(mine)
+			add_child(tile)
+			tiles.append(tile)
 
 func initField(coord: Vector2i) -> void:
-	var picked: Array[Vector2i]
+	fieldInitialized = true
+	var pickPool: Array[Tile] = tiles.duplicate()
 	for i: int in range(mineCount):
-		var pick: Vector2i
+		var pick: Tile = pickPool.pick_random()
 		while (true):
-			pick = Vector2i(randi_range(0, width - 1), randi_range(0, height - 1))
-			if abs(coord - pick) <= Vector2i(1, 1) || pick in picked:
-				continue
-			break
-		print("Picked " + str(pick))
-		picked.append(pick)
-		getMine(pick).type = Mine.MineType.MINE
-	for mine: Mine in mines:
-		mine.evaluateType()
+			pickPool.erase(pick)
+			if (abs(coord - pick.coord) >= Vector2i(1, 1)):
+				pick.type = Tile.TileTypes.MINE
+				break
+			pick = pickPool.pick_random()
+	for tile: Tile in tiles:
+		tile.evaluateType()
 
-func getMine(coord: Vector2i) -> Mine:
+func getTile(coord: Vector2i) -> Tile:
 	if (coord.x < 0 || coord.y < 0 || coord.x >= width || coord.y >= width): return null
-	return mines[(coord.x * height) + coord.y]
+	return tiles[(coord.x * height) + coord.y]

minesweeper/scripts/Tile.gd

@@ -1,4 +1,4 @@
-class_name Mine extends Node2D
+class_name Tile extends Node2D
 
 @onready var backplate: CompressedTexture2D = preload("res://sprites/backplate.png")
 @onready var cover: CompressedTexture2D = preload("res://sprites/cover.png")
@@ -15,7 +15,7 @@ class_name Mine extends Node2D
 	preload("res://sprites/8.png")
 ]
 
-enum MineType{
+enum TileTypes{
 	EMPTY,
 	ONE,
 	TWO,
@@ -31,35 +31,35 @@ enum MineType{
 @onready var layer1: Sprite2D = $layer1
 @onready var layer2: Sprite2D = $layer2
 
-var type: MineType
+var type: TileTypes
 var coord: Vector2i
 var revealed: bool = false
 
 func evaluateType() -> void:
-	if (type == MineType.MINE): return
+	if (type == TileTypes.MINE): return
 	var count: int = 0
 	for x: int in range(-1, 2):
 		for y: int in range(-1, 2):
 			if (x == 0 && y == 0): continue
-			var mine: Mine = Minefield.instance.getMine(coord + Vector2i(x, y))
-			if (mine == null): continue
-			if (mine.type == MineType.MINE): count += 1
-	type = count as MineType
+			var tile: Tile = Minefield.instance.getTile(coord + Vector2i(x, y))
+			if (tile == null): continue
+			if (tile.type == TileTypes.MINE): count += 1
+	type = count as TileTypes
 
 func reveal() -> void:
 	if (revealed): return
 	revealed = true
 	layer1.texture = backplate
 	match type:
-		MineType.EMPTY:
+		TileTypes.EMPTY:
 			layer2.texture = null
 			for x: int in range(-1, 2):
 				for y: int in range(-1, 2):
 					if (x == 0 && y == 0): continue
-					var mine: Mine = Minefield.instance.getMine(coord + Vector2i(x, y))
-					if (mine == null): continue
-					mine.reveal()
-		MineType.MINE:
+					var tile: Tile = Minefield.instance.getTile(coord + Vector2i(x, y))
+					if (tile == null): continue
+					tile.reveal()
+		TileTypes.MINE:
 			layer2.texture = mine
 		_:
 			layer2.texture = nums[type as int - 1]