Glowing crystals mainly

components/CrystalGlowComponent.tscn

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+[gd_scene load_steps=2 format=3 uid="uid://qgxsbmcv0nqh"]
+
+[ext_resource type="Script" path="res://components/scripts/crystal_glow_component.gd" id="1_0l2qm"]
+
+[node name="CrystalGlowComponent" type="Node2D"]
+script = ExtResource("1_0l2qm")
+
+[node name="CrystalGlowContainer" type="Node2D" parent="."]

components/scripts/crystal_glow_component.gd

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+extends Node2D
+class_name CrystalGlowComponent
+
+var crystal_glow : PackedScene = preload("res://entities/crystal_glow.tscn")
+
+@export var tile_map : CustomTileMap = null
+@onready var crystal_glow_container : Node2D = $CrystalGlowContainer
+var glowing_crystals : Array = []
+
+var tile_size : Vector2i
+var map_pixel_size : Vector2i
+var tilemap_size : Vector2i 
+var crystal_layer : int = -1
+
+func _ready()  -> void:
+	if !tile_map:
+		Log.err("CrystalGlowComponent: TileMap not set")
+
+	Log.pr("CrystalGlowComponent ready")
+
+	tile_size = tile_map.get_tileset().tile_size
+	map_pixel_size = tilemap_size * tile_size
+	tilemap_size = tile_map.get_used_rect().end - tile_map.get_used_rect().position
+
+	crystal_layer = tile_map.get_layer_id_by_name('Crystals')
+	Log.pr(crystal_layer)
+	add_crystal_glow()
+
+## Look for crystals in the scene and add the glow to the approprirate angle and colour
+func add_crystal_glow() -> void:
+	for i in tilemap_size.x:
+		for j in tilemap_size.y:
+			var coords : Vector2i = Vector2i(i, j)
+			var tile_data : TileData = tile_map.get_cell_tile_data(crystal_layer, coords)
+			if tile_data:
+				if tile_data.get_custom_data('glowcolour'):
+					var glow_colour : String = tile_data.get_custom_data('glowcolour')
+					var orientation : String = tile_data.get_custom_data('orientation')
+
+					# Check if this coord is already in the glowing_crystals array
+					if coords in glowing_crystals:
+						continue
+					else:
+						var glow : CrystalGlow = crystal_glow.instantiate().duplicate()
+						glow.set_position(coords * tile_map.get_tileset().tile_size + tile_map.get_tileset().tile_size / 2)
+						glow.glow_colour = glow_colour
+						glow.orientation = orientation
+						crystal_glow_container.add_child(glow)
+						glowing_crystals.append(coords)
+
+	Log.pr("Glowing crystals: ", glowing_crystals)