Destructible terrain!

levels/resources/material_desaturate_tileset.tres

@@ -0,0 +1,14 @@
+[gd_resource type="ShaderMaterial" load_steps=2 format=3 uid="uid://bpverily2kmvm"]
+
+[ext_resource type="Shader" path="res://shaders/monochrome.gdshader" id="1_l5g1d"]
+
+[resource]
+shader = ExtResource("1_l5g1d")
+shader_parameter/brightness = 0.0
+shader_parameter/contrast = 1.0
+shader_parameter/saturation = 0.0
+shader_parameter/redVal = 1.0
+shader_parameter/greenVal = 1.0
+shader_parameter/blueVal = 1.0
+shader_parameter/tint_color = Color(1, 1, 1, 1)
+shader_parameter/tint_effect_factor = 0.0

levels/scripts/map.gd

@@ -7,6 +7,8 @@ var astar : AStarGrid2D = AStarGrid2D.new()
 @onready var tilemap_size : Vector2i = get_used_rect().end - get_used_rect().position
 @onready var map_rect : Rect2i = Rect2i(Vector2i.ZERO, tilemap_size)
 
+var highlighted_tiles : Array = []
+
 func _ready() -> void:
 
 	var tile_size : Vector2i  = get_tileset().tile_size
@@ -15,6 +17,7 @@ func _ready() -> void:
 
 
 	setup_pathing()
+	check_for_visible_gatherables()
 	pass
 
 func setup_pathing() -> void:
@@ -42,6 +45,8 @@ func update_passable() -> void:
 			var tile_data : TileData = get_cell_tile_data(0, coords)
 			if tile_data and tile_data.get_custom_data('navtype') == 'wall':
 				astar.set_point_solid(coords)
+			else:
+				astar.set_point_solid(coords, false)
 
 	pass
 
@@ -51,3 +56,60 @@ func is_point_walkable(check_position : Vector2i) -> bool:
 		return true
 	
 	return false
+
+func _unhandled_input(event : InputEvent) -> void:
+	pass
+	if event.is_action_pressed("move_to"):
+		var click_position : Vector2 = get_global_mouse_position()
+		var tile_position : Vector2i = local_to_map(click_position)
+
+		Log.pr(tile_position)
+
+		## Check if the clicked tile is a wall 
+
+		## Get the surrounding wall tiles and redraw them 
+		## We spread to a 3x3 area for blowing up walls because it was very 
+		## weird with 1x1 cells
+		var update_cells : Array = GridUtil.get_surrounding_tiles(tile_position)
+		set_cells_terrain_connect(0, update_cells, 0, 0)
+
+		## Get all the co-ordinates around the given tile_position coordinates 
+		## This will redraw the surrounding cells to make the terrains look better
+		var surrounding_cells : Array = GridUtil.get_surrounding_tiles(tile_position, 5)
+		redraw_surrounding_tiles(surrounding_cells)
+
+		update_passable()
+
+		# Check if the tile is already highlighted
+		#if highlighted_tiles.has(tile_position):
+			# Change the tile to destroyed tile and remove from highlighted set
+		#	set_cellv(tile_position, DESTROYED_TILE)
+		#	highlighted_tiles.erase(tile_position)
+
+func redraw_surrounding_tiles(positions : Array) -> void:
+	var walls : Array = []
+
+	for cell_pos : Vector2 in positions:
+		var tile_data : TileData = get_cell_tile_data(0, cell_pos)
+		if tile_data and tile_data.get_custom_data('navtype') == 'wall':
+			walls.append(cell_pos)
+
+	set_cells_terrain_connect(0, walls, 0, 1)
+
+func check_for_visible_gatherables() -> void:
+	## Loop through the tiles on the gatherables layer and check if the thing on 
+	# the layer below them is a wall, if it is they need to be hidden.
+	for i in tilemap_size.x:
+		for j in tilemap_size.y:
+			var coords : Vector2i = Vector2i(i, j)
+			var tile_data : TileData = get_cell_tile_data(1, coords)
+			if tile_data:
+				# Get the tile data from the base layer 
+				var below_tile_data : TileData = get_cell_tile_data(0, coords)
+				if below_tile_data and below_tile_data.get_custom_data('navtype') == 'wall':
+					Log.pr("Gatherable is on a wall tile, it should be hidden!")
+					# Log.pr(below_tile_data)
+			#if tile_data and tile_data.get_custom_data('navtype') == 'gatherable':
+			#	var below_tile_data : TileData = get_cell_tile_data(0, coords + Vector2i(0, 1))
+			#	if below_tile_data and below_tile_data.get_custom_data('navtype') == 'wall':
+			#		set_cellv(coords, -1)