added some amazing changes

src/scripts/minimap.gd

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+extends Control
+
+# Minimap: shows explored dungeon tiles (uses same "explored" data as fog of war).
+# Populates as the player explores. Drawn in upper-right corner.
+
+const MINIMAP_WIDTH: int = 128
+const MINIMAP_HEIGHT: int = 96
+const COLOR_UNEXPLORED: Color = Color(0.08, 0.08, 0.1)
+const COLOR_WALL: Color = Color(0.22, 0.22, 0.26)
+const COLOR_FLOOR: Color = Color(0.38, 0.38, 0.44)
+const COLOR_PLAYER: Color = Color(1.0, 0.35, 0.35)
+const COLOR_EXIT: Color = Color(1.0, 1.0, 1.0)
+
+var _map_size: Vector2i = Vector2i.ZERO
+var _explored_map: PackedInt32Array = PackedInt32Array()
+var _grid: Array = []  # 2D grid [x][y]: 0=wall, 1=floor, 2=door, 3=corridor
+var _player_tile: Vector2i = Vector2i(-1, -1)
+var _exit_tile: Vector2i = Vector2i(-1, -1)
+var _exit_discovered: bool = false
+
+
+func set_maps(explored_map: PackedInt32Array, map_size: Vector2i, grid: Array, player_tile: Vector2i = Vector2i(-1, -1), exit_tile: Vector2i = Vector2i(-1, -1), exit_discovered: bool = false) -> void:
+	_explored_map = explored_map
+	_map_size = map_size
+	_grid = grid
+	_player_tile = player_tile
+	_exit_tile = exit_tile
+	_exit_discovered = exit_discovered
+	queue_redraw()
+
+
+func _ready() -> void:
+	custom_minimum_size = Vector2(MINIMAP_WIDTH, MINIMAP_HEIGHT)
+	mouse_filter = Control.MOUSE_FILTER_IGNORE
+
+
+func _process(_delta: float) -> void:
+	if _exit_discovered:
+		queue_redraw()
+
+
+func _draw() -> void:
+	if _map_size.x <= 0 or _map_size.y <= 0 or _explored_map.is_empty():
+		return
+	var bw := float(MINIMAP_WIDTH)
+	var bh := float(MINIMAP_HEIGHT)
+	var tw := bw / float(_map_size.x)
+	var th := bh / float(_map_size.y)
+	for x in range(_map_size.x):
+		for y in range(_map_size.y):
+			var idx := x + y * _map_size.x
+			if idx < 0 or idx >= _explored_map.size():
+				continue
+			var explored := _explored_map[idx] != 0
+			var px := float(x) * tw
+			var py := float(y) * th
+			var rect := Rect2(px, py, tw, th)
+			var col: Color
+			if not explored:
+				col = COLOR_UNEXPLORED
+			else:
+				var g: int = 0
+				if _grid.size() > x and _grid[x] is Array and (_grid[x] as Array).size() > y:
+					var row = _grid[x] as Array
+					g = int(row[y])
+				if g == 0:
+					col = COLOR_WALL
+				else:
+					col = COLOR_FLOOR
+			draw_rect(rect, col, true)
+	if _player_tile.x >= 0 and _player_tile.y >= 0 and _player_tile.x < _map_size.x and _player_tile.y < _map_size.y:
+		var px := float(_player_tile.x) * tw + tw * 0.5
+		var py := float(_player_tile.y) * th + th * 0.5
+		var r := maxf(2.0, minf(tw, th) * 0.4)
+		draw_circle(Vector2(px, py), r, COLOR_PLAYER)
+	if _exit_discovered and _exit_tile.x >= 0 and _exit_tile.y >= 0 and _exit_tile.x < _map_size.x and _exit_tile.y < _map_size.y:
+		var ex := float(_exit_tile.x) * tw + tw * 0.5
+		var ey := float(_exit_tile.y) * th + th * 0.5
+		var er := maxf(2.0, minf(tw, th) * 0.35)
+		var blink := sin(Time.get_ticks_msec() * 0.004) * 0.5 + 0.5
+		var exit_col := Color(COLOR_EXIT.r, COLOR_EXIT.g, COLOR_EXIT.b, 0.45 + 0.55 * blink)
+		draw_circle(Vector2(ex, ey), er, exit_col)