Added building structure

Created harvester building
added harvester particles
added nearest resource func

data/buildings/basic/basic_building_group.tres

@@ -2,7 +2,7 @@
 
 [ext_resource type="Texture2D" uid="uid://n806c03hgaq1" path="res://assets/scifi_tilesheet@2.png" id="1_p1crr"]
 [ext_resource type="Script" path="res://data/buildings/building_group.gd" id="1_xphre"]
-[ext_resource type="Resource" uid="uid://d38xgwstvtcm4" path="res://data/buildings/basic/harvester_building.tres" id="2_7d7fa"]
+[ext_resource type="Resource" uid="uid://d38xgwstvtcm4" path="res://data/buildings/basic/harvester/harvester_building.tres" id="2_5rd2r"]
 [ext_resource type="Resource" uid="uid://cta6ngelbwo8b" path="res://data/buildings/basic/warehouse_building.tres" id="3_vxs34"]
 
 [sub_resource type="AtlasTexture" id="AtlasTexture_nleix"]
@@ -13,4 +13,4 @@ region = Rect2(1024, 576, 64, 64)
 script = ExtResource("1_xphre")
 name = "Basic"
 atlas_texture = SubResource("AtlasTexture_nleix")
-buildings = Array[Resource("res://data/buildings/building.gd")]([ExtResource("2_7d7fa"), ExtResource("3_vxs34")])
+buildings = Array[Resource("res://data/buildings/building.gd")]([ExtResource("2_5rd2r"), ExtResource("3_vxs34")])

data/buildings/basic/harvester/harvester.gd

@@ -0,0 +1,20 @@
+extends Building
+
+const CARBON_RESOURCE = preload("res://data/game_resources/carbon/carbon_resource.tres")
+
+func ready(building: BuildingBase) -> void:
+	var nearest_res := Grid.get_nearest_resource(building.position, CARBON_RESOURCE)
+	var _distance = building.position.distance_to(nearest_res)
+	
+	var particles = CPUParticles2D.new()
+	particles.amount = 60
+	particles.spread = 8
+	particles.material = ParticleProcessMaterial.new()
+	particles.radial_accel_max = _distance * -2.5
+	particles.radial_accel_min = _distance * -2.55
+	particles.gravity = Vector2.ZERO
+	particles.direction = building.position.direction_to(nearest_res)
+	particles.initial_velocity_max = _distance * 2.25
+	particles.initial_velocity_min = _distance * 2.2
+	particles.lifetime = 1.65
+	building.add_child(particles)

data/buildings/basic/harvester/harvester_building.tres

@@ -0,0 +1,18 @@
+[gd_resource type="Resource" load_steps=5 format=3 uid="uid://d38xgwstvtcm4"]
+
+[ext_resource type="Texture2D" uid="uid://n806c03hgaq1" path="res://assets/scifi_tilesheet@2.png" id="1_m1sbx"]
+[ext_resource type="Script" path="res://data/buildings/basic/harvester/harvester.gd" id="3_fy2m4"]
+[ext_resource type="Resource" uid="uid://bpjj0x7jr1k6u" path="res://data/game_resources/carbon/carbon_resource.tres" id="3_xlnq5"]
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_mgt0w"]
+atlas = ExtResource("1_m1sbx")
+region = Rect2(1088, 128, 64, 64)
+
+[resource]
+script = ExtResource("3_fy2m4")
+atlas_texture = SubResource("AtlasTexture_mgt0w")
+name = "Harvester"
+description = "Harvests nearby resources"
+cost = {
+ExtResource("3_xlnq5"): 100
+}

data/buildings/basic/harvester_building.tres

@@ -1,18 +0,0 @@
-[gd_resource type="Resource" script_class="Building" load_steps=5 format=3 uid="uid://d38xgwstvtcm4"]
-
-[ext_resource type="Texture2D" uid="uid://n806c03hgaq1" path="res://assets/scifi_tilesheet@2.png" id="1_8uuv4"]
-[ext_resource type="Script" path="res://data/buildings/building.gd" id="1_s0c8c"]
-[ext_resource type="Resource" uid="uid://bpjj0x7jr1k6u" path="res://data/game_resources/carbon/carbon_resource.tres" id="2_ppxqc"]
-
-[sub_resource type="AtlasTexture" id="AtlasTexture_5nxx0"]
-atlas = ExtResource("1_8uuv4")
-region = Rect2(1088, 128, 64, 64)
-
-[resource]
-script = ExtResource("1_s0c8c")
-atlas_texture = SubResource("AtlasTexture_5nxx0")
-name = "Harvester"
-description = "Harvests nearby"
-cost = {
-ExtResource("2_ppxqc"): 100
-}

data/buildings/building.gd

@@ -5,3 +5,6 @@ extends Resource
 @export var name: String
 @export var description: String
 @export var cost: Dictionary
+
+func ready(building: BuildingBase) -> void:
+	pass

data/buildings/building_base.gd

@@ -8,6 +8,7 @@ var _building_data: Building
 func initialize(data: Building, grid_location: Vector2i) -> void:
 	_building_data = data
 	position = Grid.grid_to_world_center(grid_location)
+	_building_data.ready(self)
 
 func _ready() -> void:
 	sprite_2d.texture = _building_data.atlas_texture

data/buildings/building_methods.gd

@@ -0,0 +1,5 @@
+extends Resource
+class_name BuildingMethods
+
+func ready(building: BuildingBase) -> void:
+	pass

data/buildings/building_methods.tscn

@@ -0,0 +1,6 @@
+[gd_scene load_steps=2 format=3 uid="uid://7threw5x5tw6"]
+
+[ext_resource type="Script" path="res://data/buildings/building_methods.gd" id="1_ll4rt"]
+
+[node name="BuildingMethods" type="Node2D"]
+script = ExtResource("1_ll4rt")

scripts/autoloads/grid.gd

@@ -4,6 +4,8 @@ const GRID_SIZE := 64
 var world_grid: TileMap
 var world_data: Dictionary = {}
 
+var res_locations := {}
+
 func init(grid: TileMap) -> void:
 	world_grid = grid
 
@@ -37,6 +39,19 @@ func get_location_data(pos: Vector2i) -> CellData:
 func change_location_resource(pos: Vector2i, data: GameResource) -> void:
 	world_data[pos].change_resource(data)
 	world_grid.set_cell(Constants.TilemapLayers.ENVIRONMENT, pos, 0, data.atlas_location)
+	if not res_locations.has(data):
+		res_locations[data] = []
+	res_locations[data].append(Grid.grid_to_world_center(pos))
+
+func get_nearest_resource(pos: Vector2, data: GameResource) -> Vector2:
+	var distance: float = 9999
+	var nearest: Vector2
+	for location: Vector2 in res_locations[data]:
+		var _dist = pos.distance_to(location)
+		if _dist < distance:
+			distance = _dist
+			nearest = location
+	return nearest
 
 func change_location_building(pos: Vector2i, data: BuildingBase) -> void:
 	world_data[pos].change_building(data)