bad crafting

Scenes/inventory.tscn

@@ -3,8 +3,8 @@
 [ext_resource type="Script" path="res://Scripts/Inventory.gd" id="1_hpfk4"]
 [ext_resource type="Texture2D" uid="uid://crurudbckpe4j" path="res://Assets/Art/Textures/inventory.png" id="1_qivim"]
 [ext_resource type="PackedScene" uid="uid://cccy3p17tx25c" path="res://Scenes/ui_item_stack.tscn" id="2_mmi5o"]
+[ext_resource type="Script" path="res://Scripts/Crafting.gd" id="5_k523s"]
 [ext_resource type="PackedScene" uid="uid://d3jmireffqxgp" path="res://Scenes/ui_recipe.tscn" id="5_lxt81"]
-[ext_resource type="Script" path="res://Scenes/Crafting.gd" id="5_osfj6"]
 [ext_resource type="Texture2D" uid="uid://b438nicufrs6d" path="res://Assets/Art/Textures/hotbar.png" id="5_rj0ue"]
 
 [sub_resource type="StyleBoxFlat" id="StyleBoxFlat_anabp"]
@@ -301,7 +301,7 @@ offset_top = 738.0
 offset_right = -419.0
 grow_horizontal = 2
 grow_vertical = 2
-script = ExtResource("5_osfj6")
+script = ExtResource("5_k523s")
 
 [node name="ScrollContainer" type="ScrollContainer" parent="Menu/Crafting"]
 layout_mode = 1
@@ -311,10 +311,11 @@ anchor_bottom = 1.0
 grow_horizontal = 2
 grow_vertical = 2
 
-[node name="HBoxContainer" type="HBoxContainer" parent="Menu/Crafting/ScrollContainer"]
+[node name="RecipeContainer" type="HBoxContainer" parent="Menu/Crafting/ScrollContainer"]
+unique_name_in_owner = true
 layout_mode = 2
 size_flags_horizontal = 3
 size_flags_vertical = 3
 
-[node name="UiRecipe" parent="Menu/Crafting/ScrollContainer/HBoxContainer" instance=ExtResource("5_lxt81")]
+[node name="UiRecipe" parent="Menu/Crafting/ScrollContainer/RecipeContainer" instance=ExtResource("5_lxt81")]
 layout_mode = 2

Scenes/ui_recipe.tscn

@@ -1,25 +1,15 @@
-[gd_scene load_steps=3 format=3 uid="uid://d3jmireffqxgp"]
+[gd_scene load_steps=2 format=3 uid="uid://d3jmireffqxgp"]
 
 [ext_resource type="PackedScene" uid="uid://cccy3p17tx25c" path="res://Scenes/ui_item_stack.tscn" id="1_kr5gx"]
-[ext_resource type="PackedScene" uid="uid://du08juske0mo1" path="res://Scenes/ui_ingredient_stack.tscn" id="2_kyq4o"]
 
 [node name="UiRecipe" type="VBoxContainer"]
 
-[node name="hallo" parent="." instance=ExtResource("1_kr5gx")]
+[node name="UiResult" parent="." instance=ExtResource("1_kr5gx")]
 custom_minimum_size = Vector2(100, 100)
 layout_mode = 2
 size_flags_vertical = 1
 
-[node name="HFlowContainer" type="HFlowContainer" parent="."]
+[node name="IngredientContainer" type="HFlowContainer" parent="."]
 layout_mode = 2
 size_flags_vertical = 3
 alignment = 1
-
-[node name="hallo" parent="HFlowContainer" instance=ExtResource("2_kyq4o")]
-layout_mode = 2
-
-[node name="hallo3" parent="HFlowContainer" instance=ExtResource("2_kyq4o")]
-layout_mode = 2
-
-[node name="hallo2" parent="HFlowContainer" instance=ExtResource("2_kyq4o")]
-layout_mode = 2

Scripts/Crafting.gd

@@ -0,0 +1,46 @@
+extends Control
+
+@onready var inventory: Inventory = $"../.."
+@onready var recipe_container: Control = %RecipeContainer
+
+var ui_recipe_res = preload("res://Scenes/ui_recipe.tscn")
+var ui_ingredient_res = preload("res://Scenes/ui_ingredient_stack.tscn")
+
+func _ready() -> void:
+	inventory.inv_updated.connect(_inv_updated)
+
+func _inv_updated() -> void:
+	for child in recipe_container.get_children():
+		child.queue_free()
+
+	for recipe: Dictionary in Recipes.recipes:
+		if _has_items(recipe):
+			var ui_recipe: Control = ui_recipe_res.instantiate()
+			var ui_result = ui_recipe.get_node("UiResult")
+			inventory._update_ui_item(ui_result, recipe.result)
+			ui_result.get_node("Button").pressed.connect(_recipe_pressed.bind(recipe))
+
+			var ingredient_container = ui_recipe.get_node("IngredientContainer")
+
+			for ingredient: ItemStack in recipe.ingredients:
+				var ui_ingredient: Control = ui_ingredient_res.instantiate()
+				inventory._update_ui_item(ui_ingredient, ingredient)
+				ingredient_container.add_child(ui_ingredient)
+
+			add_child(ui_recipe)
+
+func _recipe_pressed(recipe: Dictionary) -> void:
+	if inventory.cursor_item != null:
+		return
+
+	inventory.cursor_item = ItemStack.new(recipe.result.type, recipe.result.amount)
+	inventory._update_ui_item(inventory.ui_cursor_item, inventory.cursor_item)
+	for ingredient: ItemStack in recipe.ingredients:
+		inventory.remove_items(ingredient.type, ingredient.amount)
+
+func _has_items(recipe: Dictionary) -> bool:
+	for ingredient: ItemStack in recipe.ingredients:
+		if inventory.count_items(ingredient.type, ingredient.amount) < ingredient.amount:
+			return false
+
+	return true

Scripts/Inventory.gd

@@ -1,6 +1,8 @@
 class_name Inventory
 extends Control 
 
+signal inv_updated
+
 @onready var grid_container: GridContainer = %InventoryGrid
 @onready var grid_container_2: GridContainer = %InventoryHotbarGrid
 @onready var ui_cursor_item: MarginContainer = %CursorItem
@@ -87,11 +89,13 @@ func _clicked_item(index: int) -> void:
 			items[index] = null
 			add_item(item)
 			_update_ui_slot(index)
+			inv_updated.emit()
 			return
 
 		if add_item(item, 27):
 			items[index] = null
 			_update_ui_slot(index)
+			inv_updated.emit()
 
 		return
 
@@ -104,9 +108,11 @@ func _clicked_item(index: int) -> void:
 
 	_update_ui_slot(index)
 	_update_ui_item(ui_cursor_item, cursor_item)
+	inv_updated.emit()
 
 func _right_clicked_item(index: int) -> void:
 	_try_split_stack(index)
+	inv_updated.emit()
 
 func _update_ui_slot(index: int) -> void:
 	_update_ui_item(_get_ui_item(index), items[index])
@@ -116,17 +122,17 @@ func _update_ui_slot(index: int) -> void:
 		_update_ui_item(hotbar_item, items[index])
 
 func _update_ui_item(ui_item: Node, item: ItemStack) -> void:
-	var item_label: Label = ui_item.get_node("ItemName")
+	#var item_label: Label = ui_item.get_node("ItemName")
 	var item_count: Label = ui_item.get_node("ItemCount")
 	var texture_rect: TextureRect = ui_item.get_node("TextureRect")
 
 	if item == null:
-		item_label.text = ""
+		#item_label.text = ""
 		item_count.text = ""
 		texture_rect.visible = false
 		return
 
-	item_label.text = ItemStack.type_names[item.type]
+	#item_label.text = ItemStack.type_names[item.type]
 	item_count.text = str(item.amount)
 	texture_rect.visible = true
 	texture_rect.texture = ItemStack.type_icons[item.type]
@@ -151,6 +157,7 @@ func add_item(item: ItemStack, start_index: int = 0) -> bool:
 
 	_update_ui_slot(slot)
 
+	inv_updated.emit()
 	return true
 
 func _find_first_slot(type: ItemStack.ItemType, start_index: int = 0) -> int:
@@ -191,3 +198,30 @@ func _swap_with_cursor(index: int) -> void:
 	var temp = cursor_item
 	cursor_item = items[index]
 	items[index] = temp
+
+func count_items(type: ItemStack.ItemType, max_count: int) -> int:
+	var count: int = 0
+	for item in items:
+		if item != null && item.type == type:
+			count += item.amount
+			if count >= max_count:
+				return count
+	return count
+
+func remove_items(type: ItemStack.ItemType, amount: int) -> void:
+	for i in range(inv_size):
+		if items[i] != null && items[i].type == type:
+			if items[i].amount < amount:
+				amount -= items[i].amount
+				items[i] = null
+				_update_ui_slot(i)
+				continue
+
+			items[i].amount -= amount
+			if items[i].amount == 0:
+				items[i] = null
+			_update_ui_slot(i)
+			inv_updated.emit()
+			return
+	printerr("failed to remove items. how the fuck did you get here?")
+	inv_updated.emit()

Scripts/Recipes.gd

@@ -0,0 +1,12 @@
+class_name Recipes
+extends RefCounted
+
+static var recipes: Array = [
+	{"result": ItemStack.new(ItemStack.ItemType.Pickaxe), "ingredients": [
+		ItemStack.new(ItemStack.ItemType.Wood, 5), 
+		ItemStack.new(ItemStack.ItemType.Rock, 3)
+	]},
+	{"result": ItemStack.new(ItemStack.ItemType.Rock), "ingredients": [
+		ItemStack.new(ItemStack.ItemType.Wood, 1),
+	]},
+]