added basics of grid inventory and equipment slots

debug.gd

@@ -0,0 +1,21 @@
+extends Node
+
+
+func _on_button_3_pressed():
+	$"..".pickup_item("small_debug_item")
+
+
+func _on_button_2_pressed():
+	$"..".pickup_item("medium_debug_item")
+
+
+func _on_button_pressed():
+	$"..".pickup_item("large_debug_item")
+
+
+func _on_button_4_pressed():
+	$"..".pickup_item("shirt")
+
+
+func _on_button_5_pressed():
+	$"..".pickup_item("hat")

grid_inventory_system/debug/debug_ui.tscn

@@ -0,0 +1,47 @@
+[gd_scene load_steps=2 format=3 uid="uid://c2c7v5idagdqr"]
+
+[ext_resource type="Script" path="res://debug.gd" id="1_qtffx"]
+
+[node name="DEBUG" type="Node"]
+script = ExtResource("1_qtffx")
+
+[node name="Button" type="Button" parent="."]
+offset_left = 493.0
+offset_top = 112.0
+offset_right = 653.0
+offset_bottom = 143.0
+text = "GIVE LARGE  ITEM"
+
+[node name="Button4" type="Button" parent="."]
+offset_left = 672.0
+offset_top = 151.0
+offset_right = 832.0
+offset_bottom = 182.0
+text = "GIVE SHIRT"
+
+[node name="Button5" type="Button" parent="."]
+offset_left = 673.0
+offset_top = 110.0
+offset_right = 833.0
+offset_bottom = 141.0
+text = "GIVE HAT"
+
+[node name="Button2" type="Button" parent="."]
+offset_left = 496.0
+offset_top = 149.0
+offset_right = 653.0
+offset_bottom = 180.0
+text = "GIVE MEDIUM ITEM"
+
+[node name="Button3" type="Button" parent="."]
+offset_left = 498.0
+offset_top = 186.0
+offset_right = 656.0
+offset_bottom = 217.0
+text = "GIVE SMALL  ITEM"
+
+[connection signal="pressed" from="Button" to="." method="_on_button_pressed"]
+[connection signal="pressed" from="Button4" to="." method="_on_button_4_pressed"]
+[connection signal="pressed" from="Button5" to="." method="_on_button_5_pressed"]
+[connection signal="pressed" from="Button2" to="." method="_on_button_2_pressed"]
+[connection signal="pressed" from="Button3" to="." method="_on_button_3_pressed"]

grid_inventory_system/debug/hat.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://ghlfm76i4kve"
+path="res://.godot/imported/hat.png-706aaac0cb9cc74c2e7d8c97ed023b0c.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://grid_inventory_system/debug/hat.png"
+dest_files=["res://.godot/imported/hat.png-706aaac0cb9cc74c2e7d8c97ed023b0c.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

grid_inventory_system/debug/main.tscn

@@ -0,0 +1,103 @@
+[gd_scene load_steps=5 format=3 uid="uid://brs6u78mwggbp"]
+
+[ext_resource type="Script" path="res://grid_inventory_system/scripts/InventoryController.gd" id="1_hmtt6"]
+[ext_resource type="Script" path="res://grid_inventory_system/scripts/InventoryGrid.gd" id="2_8imhp"]
+[ext_resource type="Script" path="res://grid_inventory_system/scripts/ItemEquipmentSlots.gd" id="3_sri3o"]
+[ext_resource type="PackedScene" uid="uid://c2c7v5idagdqr" path="res://grid_inventory_system/debug/debug_ui.tscn" id="4_abx0e"]
+
+[node name="Inventory" type="Control" node_paths=PackedStringArray("inventory_grid", "inventory_background", "inventory_equipment_slots")]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_hmtt6")
+inventory_grid = NodePath("UI/Background/Items")
+inventory_background = NodePath("UI/Background")
+inventory_equipment_slots = NodePath("UI/Background/Equipment")
+
+[node name="UI" type="CanvasLayer" parent="."]
+
+[node name="Background" type="ColorRect" parent="UI"]
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -473.5
+offset_top = -235.5
+offset_right = 473.5
+offset_bottom = 235.5
+grow_horizontal = 2
+grow_vertical = 2
+color = Color(0.121569, 0.121569, 0.121569, 1)
+
+[node name="Equipment" type="ColorRect" parent="UI/Background"]
+layout_mode = 1
+anchors_preset = 11
+anchor_left = 1.0
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_left = -237.0
+offset_top = 4.0
+offset_right = -4.0
+offset_bottom = -4.0
+grow_horizontal = 0
+grow_vertical = 2
+color = Color(0.184314, 0.184314, 0.184314, 1)
+script = ExtResource("3_sri3o")
+
+[node name="HEAD" type="ColorRect" parent="UI/Background/Equipment"]
+layout_mode = 1
+anchors_preset = 5
+anchor_left = 0.5
+anchor_right = 0.5
+offset_left = -37.0
+offset_top = 16.5
+offset_right = 38.0
+offset_bottom = 91.5
+grow_horizontal = 2
+color = Color(0.278431, 0.278431, 0.278431, 1)
+
+[node name="BODY" type="ColorRect" parent="UI/Background/Equipment"]
+layout_mode = 1
+anchors_preset = 4
+anchor_top = 0.5
+anchor_bottom = 0.5
+offset_left = 32.5
+offset_top = -121.0
+offset_right = 202.5
+offset_bottom = 49.0
+grow_vertical = 2
+color = Color(0.278431, 0.278431, 0.278431, 1)
+
+[node name="WEAPON" type="ColorRect" parent="UI/Background/Equipment"]
+layout_mode = 1
+anchors_preset = 4
+anchor_top = 0.5
+anchor_bottom = 0.5
+offset_left = 7.5
+offset_top = 91.0
+offset_right = 227.5
+offset_bottom = 194.0
+grow_vertical = 2
+color = Color(0.278431, 0.278431, 0.278431, 1)
+
+[node name="Items" type="ColorRect" parent="UI/Background"]
+layout_mode = 1
+anchors_preset = 9
+anchor_bottom = 1.0
+offset_left = 12.0
+offset_top = 8.0
+offset_right = 701.0
+offset_bottom = -8.0
+grow_vertical = 2
+color = Color(0.164706, 0.164706, 0.164706, 1)
+script = ExtResource("2_8imhp")
+inventory_item_grid_width = 21
+inventory_item_grid_height = 14
+inventory_grid_default_color = Color(1, 1, 1, 1)
+inventory_grid_used_color = Color(0, 1, 0, 1)
+
+[node name="DEBUG" parent="." instance=ExtResource("4_abx0e")]

grid_inventory_system/debug/shirt.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://bdfcmsyry3sg3"
+path="res://.godot/imported/shirt.png-c04d1f8c53dc5f843f267734a8b0f810.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://grid_inventory_system/debug/shirt.png"
+dest_files=["res://.godot/imported/shirt.png-c04d1f8c53dc5f843f267734a8b0f810.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

grid_inventory_system/items/body.tres

@@ -0,0 +1,15 @@
+[gd_resource type="Resource" script_class="ItemConfiguration" load_steps=3 format=3 uid="uid://bu1t7ogoct2pm"]
+
+[ext_resource type="Script" path="res://grid_inventory_system/scripts/ItemConfiguration.gd" id="1_f4bsa"]
+[ext_resource type="Texture2D" uid="uid://bdfcmsyry3sg3" path="res://grid_inventory_system/debug/shirt.png" id="1_gmlai"]
+
+[resource]
+script = ExtResource("1_f4bsa")
+item_id = "shirt"
+item_name = "Shirt"
+item_description = "This is a shirt"
+item_size = Vector2(256, 256)
+item_usable = false
+item_equipment = true
+item_equipment_slot = "BODY"
+item_texture = ExtResource("1_gmlai")

grid_inventory_system/items/head.tres

@@ -0,0 +1,15 @@
+[gd_resource type="Resource" script_class="ItemConfiguration" load_steps=3 format=3 uid="uid://cauw4i0kveld6"]
+
+[ext_resource type="Script" path="res://grid_inventory_system/scripts/ItemConfiguration.gd" id="1_hflmv"]
+[ext_resource type="Texture2D" uid="uid://ghlfm76i4kve" path="res://grid_inventory_system/debug/hat.png" id="1_vm0jo"]
+
+[resource]
+script = ExtResource("1_hflmv")
+item_id = "hat"
+item_name = "Hat"
+item_description = "This is a hat"
+item_size = Vector2(224, 160)
+item_usable = false
+item_equipment = true
+item_equipment_slot = "HEAD"
+item_texture = ExtResource("1_vm0jo")

grid_inventory_system/items/large_debug_item.tres

@@ -0,0 +1,15 @@
+[gd_resource type="Resource" script_class="ItemConfiguration" load_steps=3 format=3 uid="uid://d2orfaiyhg0sa"]
+
+[ext_resource type="Texture2D" uid="uid://bdvx58rwnaeev" path="res://icon.svg" id="1_l6twi"]
+[ext_resource type="Script" path="res://grid_inventory_system/scripts/ItemConfiguration.gd" id="2_40ofh"]
+
+[resource]
+script = ExtResource("2_40ofh")
+item_id = "large_debug_item"
+item_name = "Debug Item Large"
+item_description = "A large item for debugging."
+item_size = Vector2(256, 256)
+item_usable = false
+item_equipment = false
+item_equipment_slot = "NONE"
+item_texture = ExtResource("1_l6twi")

grid_inventory_system/items/medium_debug_item.tres

@@ -0,0 +1,15 @@
+[gd_resource type="Resource" script_class="ItemConfiguration" load_steps=3 format=3 uid="uid://drkcx6hkx0ay8"]
+
+[ext_resource type="Texture2D" uid="uid://bdvx58rwnaeev" path="res://icon.svg" id="1_jwlst"]
+[ext_resource type="Script" path="res://grid_inventory_system/scripts/ItemConfiguration.gd" id="2_xdqd2"]
+
+[resource]
+script = ExtResource("2_xdqd2")
+item_id = "medium_debug_item"
+item_name = "Debug Item Medium"
+item_description = "A medium item for debugging."
+item_size = Vector2(128, 128)
+item_usable = false
+item_equipment = false
+item_equipment_slot = "NONE"
+item_texture = ExtResource("1_jwlst")

grid_inventory_system/items/small_debug_item.tres

@@ -0,0 +1,15 @@
+[gd_resource type="Resource" script_class="ItemConfiguration" load_steps=3 format=3 uid="uid://p3m1yi3kw1q6"]
+
+[ext_resource type="Texture2D" uid="uid://bdvx58rwnaeev" path="res://icon.svg" id="1_g0vsl"]
+[ext_resource type="Script" path="res://grid_inventory_system/scripts/ItemConfiguration.gd" id="2_lq0i6"]
+
+[resource]
+script = ExtResource("2_lq0i6")
+item_id = "small_debug_item"
+item_name = "Debug Item Small"
+item_description = "A small item for debugging."
+item_size = Vector2(64, 64)
+item_usable = false
+item_equipment = false
+item_equipment_slot = "NONE"
+item_texture = ExtResource("1_g0vsl")

grid_inventory_system/items/weapon.tres

@@ -0,0 +1,13 @@
+[gd_resource type="Resource" script_class="ItemConfiguration" load_steps=2 format=3 uid="uid://cvy3nwmcgx5le"]
+
+[ext_resource type="Script" path="res://grid_inventory_system/scripts/ItemConfiguration.gd" id="1_jvmcf"]
+
+[resource]
+script = ExtResource("1_jvmcf")
+item_id = "item"
+item_name = "Item Name"
+item_description = "This is the default item description."
+item_size = Vector2(3, 3)
+item_usable = false
+item_equipment = false
+item_equipment_slot = "NONE"

grid_inventory_system/scenes/ItemGraphic.tscn

@@ -0,0 +1,7 @@
+[gd_scene load_steps=2 format=3 uid="uid://dtir5hovd6i3h"]
+
+[ext_resource type="Script" path="res://grid_inventory_system/scripts/ItemGraphic.gd" id="1_bih4t"]
+
+[node name="Item" type="TextureRect"]
+expand_mode = 2
+script = ExtResource("1_bih4t")

grid_inventory_system/scripts/InventoryController.gd

@@ -0,0 +1,118 @@
+extends Control
+class_name InventoryController
+const ITEM_BASE = preload("res://grid_inventory_system/scenes/ItemGraphic.tscn")
+
+@export var inventory_open_input:String = "inventory_open"
+@export var inventory_close_input:String = "inventory_close"
+@export var inventory_use_input:String = "inventory_use"
+@export var inventory_grab_input:String = "inventory_grab"
+@export var inventory_rotate_input:String = "inventory_rotate"
+@export var inventory_grid:Control
+@export var inventory_background:Control
+@export var inventory_equipment_slots:Control
+
+var inventory_open = true
+var inventory_item_dragged = null
+var inventory_item_cursor_offset = Vector2()
+var inventory_item_dragged_last_container = null
+var inventory_item_dragged_last_pos = Vector2()
+
+signal inventory_item_equipped(item_config,slot)
+signal inventory_item_unequipped(item_config,slot)
+signal inventory_item_dropped(item_config)
+signal inventory_item_grabbed(item_config, x, y, container)
+signal inventory_item_released(item_config, x, y, container)
+
+func _ready():
+	if(inventory_grid==null):
+		printerr("The inventory grid was not assigned to the inventory controller!")
+	if(inventory_background==null):
+		printerr("The inventory background was not assigned to the inventory controller!")
+	if(inventory_grid==null):
+		printerr("The inventory equipment slots was not assigned to the inventory controller!")
+
+func _process(delta):
+	if(Input.is_action_just_pressed(inventory_open_input) and inventory_open==false):
+		inventory_open = true
+		inventory_background.visible=true
+	
+	if(Input.is_action_just_pressed(inventory_close_input) and inventory_open==true):
+		inventory_open = false
+		inventory_background.visible=false
+		
+	var cursor_pos = get_global_mouse_position()
+		
+	if Input.is_action_just_pressed("inventory_grab"):
+		grab(cursor_pos)
+		
+	if Input.is_action_just_released("inventory_grab"):
+		release(cursor_pos)
+		
+	if Input.is_action_just_pressed("inventory_use"):
+		use(cursor_pos)
+	if inventory_item_dragged != null:
+		inventory_item_dragged.global_position = cursor_pos + inventory_item_cursor_offset
+
+func grab(cursor_pos):
+	var c = _get_container_mouse_over()
+	if c != null and c.has_method("grab_item"):
+		inventory_item_dragged = c.grab_item(cursor_pos)
+		if inventory_item_dragged != null:
+			add_child(inventory_item_dragged)
+			inventory_item_dragged_last_container = c
+			inventory_item_dragged_last_pos = inventory_item_dragged.global_position
+			inventory_item_cursor_offset = inventory_item_dragged.global_position - cursor_pos
+
+func release(cursor_pos):
+	if inventory_item_dragged == null:
+		return
+	var c = _get_container_mouse_over()
+	if c == null:
+		drop_item()
+	elif c.has_method("insert_item"):
+		if c.insert_item(inventory_item_dragged):
+			inventory_item_dragged = null
+		else:
+			return_item()
+	else:
+		return_item()
+
+func use(cursor_pos):
+	pass
+
+func pickup_item(item_id):
+	var item = ITEM_BASE.instantiate()
+	item.set_meta("id", item_id)
+	var dbItem = ItemDb.get_item(item_id)
+	item.item_config = dbItem
+	item.set_size(Vector2(dbItem.item_size.x, dbItem.item_size.y))
+	item.texture = dbItem.item_texture
+	if not inventory_grid.insert_item_at_first_available_spot(item):
+		item.queue_free()
+		return false
+	return true
+	
+func drop_item():
+	inventory_item_dropped.emit(inventory_item_dragged.item_config)
+	inventory_item_dragged.queue_free()
+	inventory_item_dragged = null
+
+# Function to return the dragged item to its original position or container
+func return_item():
+	inventory_item_dragged.global_position = inventory_item_dragged_last_pos
+	inventory_item_dragged_last_container.insert_item(inventory_item_dragged)
+	inventory_item_dragged = null
+	
+func _get_container_mouse_over():
+	
+	if(_is_mouse_ontop_of_control(inventory_grid)==true):
+		return inventory_grid
+	elif(_is_mouse_ontop_of_control(inventory_equipment_slots)==true):
+		return inventory_equipment_slots
+	elif(_is_mouse_ontop_of_control(inventory_background)==true):
+		return inventory_background
+	return null
+
+func _is_mouse_ontop_of_control(c):
+	var cursor_pos = get_global_mouse_position()
+	return c.get_global_rect().has_point(cursor_pos)

grid_inventory_system/scripts/InventoryGrid.gd

@@ -0,0 +1,138 @@
+extends ColorRect
+class_name InventoryItemGrid
+
+# Arrays to store inventory items and the grid representation
+var inventory_item_grid_items = []
+
+# 2D dictionary to represent the inventory grid, where each cell has information about usage and a corresponding ColorRect node
+var inventory_item_grid = {}
+var inventory_item_grid_cell_size = 32
+@export var inventory_item_grid_width = 0
+@export var inventory_item_grid_height = 0
+@export var inventory_grid_default_color: Color
+@export var inventory_grid_used_color: Color
+
+# Signals for item-related events
+signal weapon_equipped(weapon_id, item)
+signal weapon_unequipped(weapon_id, item)
+signal item_used(item_id)
+
+func _ready():
+	# Initialize the inventory grid
+	for x in range(inventory_item_grid_width):
+		inventory_item_grid[x] = {}
+		for y in range(inventory_item_grid_height):
+			inventory_item_grid[x][y] = {}
+			inventory_item_grid[x][y]["used"] = false
+
+	# Create ColorRect nodes for each grid cell and set their default colors
+	for y in range(inventory_item_grid_height):
+		for x in range(inventory_item_grid_width):
+			var color_rect = ColorRect.new()
+			color_rect.global_position = Vector2(x * inventory_item_grid_cell_size, y * inventory_item_grid_cell_size)
+			color_rect.size = Vector2(inventory_item_grid_cell_size - 2, inventory_item_grid_cell_size - 2)
+			add_child(color_rect)
+			color_rect.color = inventory_grid_default_color
+			inventory_item_grid[x][y]["rect"] = color_rect
+
+# Function to insert an item into the inventory grid
+func insert_item(item):
+	var item_pos = item.position
+	var g_pos = pos_to_grid_coord(item_pos)
+	var item_size = get_grid_size(item)
+	
+	# Check if there is enough space to insert the item
+	if is_grid_space_available(g_pos.x, g_pos.y, item_size.x, item_size.y)==true:
+		set_grid_space(g_pos.x, g_pos.y, item_size.x, item_size.y, true)
+		item.position = Vector2(g_pos.x, g_pos.y) * inventory_item_grid_cell_size
+		add_child(item)
+		inventory_item_grid_items.append(item)
+		return true
+	else:
+		return false
+
+# Function to grab an item from the inventory grid based on a position
+func grab_item(pos):
+	var item = get_item_under_pos(pos)
+	if item == null:
+		return null
+	
+	var item_pos = item.position
+	var g_pos = pos_to_grid_coord(item_pos)
+	var item_size = get_grid_size(item)
+	set_grid_space(g_pos.x, g_pos.y, item_size.x, item_size.y, false)
+	
+	inventory_item_grid_items.remove_at(inventory_item_grid_items.find(item))
+	return item
+
+# Function to use an item from the inventory grid based on a position
+func use_item(pos):
+	var item = get_item_under_pos(pos)
+	if item == null:
+		return null
+	
+	# Emit signal if the item is usable
+	if item.item_config.item_usable == true:
+		item_used.emit(item.item_config.item_id)
+		item.queue_free()
+	
+	var item_size = get_grid_size(item)
+	var item_pos = item.position
+	var g_pos = pos_to_grid_coord(item_pos)
+	inventory_item_grid_items.remove_at(inventory_item_grid_items.find(item))
+	set_grid_space(g_pos.x, g_pos.y, item_size.x, item_size.y, false)
+
+# Function to convert global position to grid coordinates
+func pos_to_grid_coord(pos):
+	var results = {}
+	results.x = int(pos.x / inventory_item_grid_cell_size)
+	results.y = int(pos.y / inventory_item_grid_cell_size)
+	return results
+
+# Function to get the grid size of an item in terms of grid cells
+func get_grid_size(item):
+	var results = {}
+	var s = item.size
+	results.x = int(clamp(s.x / inventory_item_grid_cell_size, 1.0, 500.0)) 
+	results.y = int(clamp(s.y / inventory_item_grid_cell_size, 1.0, 500.0)) 
+	return results
+
+# Function to check if there is enough space in the grid to place an item
+func is_grid_space_available(x, y, w, h):
+	if x < 0 or y < 0:
+		return false
+	if x + w > inventory_item_grid_width or y + h > inventory_item_grid_height:
+		return false
+	for i in range(x, x + w):
+		for j in range(y, y + h):
+			if inventory_item_grid[i][j]["used"] == true:
+				return false
+	return true
+
+# Function to set the usage state of grid cells and update ColorRect colors accordingly
+func set_grid_space(x, y, w, h, state):
+	for i in range(x, x + w):
+		for j in range(y, y + h):
+			if state == true:
+				inventory_item_grid[i][j]["used"] = true
+				inventory_item_grid[i][j]["rect"].color = inventory_grid_used_color
+			else:
+				inventory_item_grid[i][j]["used"] = false
+				inventory_item_grid[i][j]["rect"].color = inventory_grid_default_color
+
+# Function to get the item under a given position
+func get_item_under_pos(pos):
+	for item in inventory_item_grid_items:
+		if item.get_global_rect().has_point(pos):
+			return item
+	return null
+
+# Function to insert an item at the first available spot in the grid
+func insert_item_at_first_available_spot(item):
+	for x in inventory_item_grid_width:
+		for y in inventory_item_grid_height:
+			if not inventory_item_grid[x][y]["used"]:
+				item.global_position =  Vector2(x* inventory_item_grid_cell_size, (y)* inventory_item_grid_cell_size) 
+				if insert_item(item)==true:
+					return true
+	return false

grid_inventory_system/scripts/ItemConfiguration.gd

@@ -0,0 +1,10 @@
+extends Resource
+class_name ItemConfiguration
+@export var item_id:String = "item"
+@export var item_name:String = "Item Name"
+@export var item_description:String = "This is the default item description."
+@export var item_size:Vector2 = Vector2(3,3)
+@export var item_usable:bool = false
+@export var item_equipment:bool = false
+@export var item_equipment_slot:String = "NONE"
+@export var item_texture:Texture2D

grid_inventory_system/scripts/ItemDB.gd

@@ -0,0 +1,18 @@
+extends Node
+
+# Dictionary to store loaded items with their item_id as the key
+var ITEMS = {}
+
+func _ready():
+	# Load items from the "items" directory and populate the ITEMS dictionary
+	for i in DirAccess.get_files_at("res://grid_inventory_system/items"):
+		var item = load("res://grid_inventory_system/items/" + i)
+		ITEMS[item.item_id] = item
+
+# Function to retrieve an item based on its item_id
+func get_item(item_id):
+	# Check if the item_id exists in the ITEMS dictionary
+	if ITEMS.has(item_id):
+		return ITEMS[item_id]
+	else:
+		return null

grid_inventory_system/scripts/ItemEquipmentSlots.gd

@@ -0,0 +1,71 @@
+extends ColorRect
+
+# Reference to child slots
+@onready var slots = get_children()
+
+# Dictionary to store items associated with their respective slots
+var items = {}
+
+# Signals for item-related events
+signal weapon_equipped(weapon_id, item)
+signal weapon_unequipped(weapon_id, item)
+
+func _ready():
+	# Initialize the items dictionary with slots
+	for slot in slots:
+		items[slot.name] = null
+
+# Function to insert an item into the equipment slots
+func insert_item(item):
+	# Calculate the center position of the item
+	var item_pos = item.global_position + item.size / 2
+	# Get the slot under the item's position
+	var slot = get_slot_under_pos(item_pos)
+	
+	# Check if the item can be inserted into the slot
+	if slot == null:
+		return false
+
+	# Retrieve item slot information from the ItemDb
+	var item_slot = ItemDb.get_item(item.get_meta("id")).item_equipment_slot
+	# Check if the item's slot matches the target slot
+	if item_slot != slot.name:
+		return false
+	# Check if the slot is already occupied
+	if items[item_slot] != null:
+		return false
+
+	# Place the item in the slot and emit the weapon_equipped signal
+	items[item_slot] = item
+	item.global_position = slot.global_position + slot.size / 2 - item.size / 2
+	weapon_equipped.emit(item.item_config.item_id, item.item_config)
+	return true
+
+# Function to grab an item from the equipment slots
+func grab_item(pos):
+	# Get the item under the specified position
+	var item = get_item_under_pos(pos)
+	if item == null:
+		return null
+
+	# Retrieve item slot information from the ItemDb
+	var item_slot = ItemDb.get_item(item.get_meta("id")).item_slot
+	# Remove the item from the slot and emit the weapon_unequipped signal
+	items[item_slot] = null
+	weapon_unequipped.emit(item.item_config.item_id, item.item_config)
+	return item
+
+# Function to get the slot under a specified position
+func get_slot_under_pos(pos):
+	return get_thing_under_pos(slots, pos)
+
+# Function to get the item under a specified position
+func get_item_under_pos(pos):
+	return get_thing_under_pos(items.values(), pos)
+
+# Generic function to get the object (slot or item) under a specified position
+func get_thing_under_pos(arr, pos):
+	for thing in arr:
+		if thing != null and thing.get_global_rect().has_point(pos):
+			return thing
+	return null

grid_inventory_system/scripts/ItemGraphic.gd

@@ -0,0 +1,3 @@
+extends TextureRect
+class_name ItemGraphic
+@export var item_config:ItemConfiguration

main.tscn

@@ -1,9 +0,0 @@
-[gd_scene load_steps=2 format=3 uid="uid://brs6u78mwggbp"]
-
-[ext_resource type="Texture2D" uid="uid://bdvx58rwnaeev" path="res://icon.svg" id="1_xhw8e"]
-
-[node name="Node2D" type="Node2D"]
-
-[node name="Icon" type="Sprite2D" parent="."]
-position = Vector2(552, 307)
-texture = ExtResource("1_xhw8e")

project.godot

@@ -10,7 +10,49 @@ config_version=5
 
 [application]
 
-config/name="Godot Template"
-run/main_scene="res://main.tscn"
+config/name="Grid Inventory System"
+run/main_scene="res://grid_inventory_system/debug/main.tscn"
 config/features=PackedStringArray("4.2", "Forward Plus")
 config/icon="res://icon.svg"
+
+[autoload]
+
+ItemDb="*res://grid_inventory_system/scripts/ItemDB.gd"
+
+[display]
+
+window/size/viewport_width=1920
+window/size/viewport_height=1080
+window/stretch/mode="canvas_items"
+
+[input]
+
+inventory_open={
+"deadzone": 0.5,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194306,"key_label":0,"unicode":0,"echo":false,"script":null)
+]
+}
+inventory_close={
+"deadzone": 0.5,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194306,"key_label":0,"unicode":0,"echo":false,"script":null)
+]
+}
+inventory_use={
+"deadzone": 0.5,
+"events": [Object(InputEventMouseButton,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"button_mask":0,"position":Vector2(0, 0),"global_position":Vector2(0, 0),"factor":1.0,"button_index":2,"canceled":false,"pressed":false,"double_click":false,"script":null)
+]
+}
+inventory_grab={
+"deadzone": 0.5,
+"events": [Object(InputEventMouseButton,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"button_mask":0,"position":Vector2(0, 0),"global_position":Vector2(0, 0),"factor":1.0,"button_index":1,"canceled":false,"pressed":false,"double_click":false,"script":null)
+]
+}
+inventory_rotate={
+"deadzone": 0.5,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":82,"key_label":0,"unicode":114,"echo":false,"script":null)
+]
+}
+mouse={
+"deadzone": 0.5,
+"events": []
+}