feat: 1. 添加武器基础脚本

2. 添加武器基本resources
3. 武器碰撞 RangeArea 进入和退出检测
4. 添加 Hitbox 进行武器碰撞敌人区域（只是添加了，功能还没实现）
5. 武器冷却时间 weapon_base / CooldownTimer

resources/items/weapons/melee/punch/item_punch_1.tres

@@ -0,0 +1,17 @@
+[gd_resource type="Resource" script_class="ItemWeapon" format=3 uid="uid://murcuuks1j8l"]
+
+[ext_resource type="Texture2D" uid="uid://cyh23wqn8vcac" path="res://assets/sprites/Weapons/Icons/weapon_punch_icon.png" id="1_h03dk"]
+[ext_resource type="Script" uid="uid://26bxxaoso6np" path="res://resources/items/weapons/item_weapon.gd" id="1_o6o4d"]
+[ext_resource type="PackedScene" uid="uid://d1igydtpm3sq8" path="res://scenes/weapons/melee/weapon_punch.tscn" id="2_rm85p"]
+[ext_resource type="Resource" uid="uid://dqsjrkb2ehidv" path="res://resources/items/weapons/melee/punch/stats_punch_1.tres" id="3_ftcsy"]
+[ext_resource type="Resource" uid="uid://cakw72u61qp80" path="res://resources/items/weapons/melee/punch/item_punch_2.tres" id="4_k4o1h"]
+
+[resource]
+script = ExtResource("1_o6o4d")
+scene = ExtResource("2_rm85p")
+stats = ExtResource("3_ftcsy")
+upgradge_to = ExtResource("4_k4o1h")
+item_name = "Punch I"
+item_icon = ExtResource("1_h03dk")
+item_cost = 12
+metadata/_custom_type_script = "uid://26bxxaoso6np"

resources/items/weapons/melee/punch/item_punch_2.tres

@@ -0,0 +1,18 @@
+[gd_resource type="Resource" script_class="ItemWeapon" format=3 uid="uid://cakw72u61qp80"]
+
+[ext_resource type="Texture2D" uid="uid://cyh23wqn8vcac" path="res://assets/sprites/Weapons/Icons/weapon_punch_icon.png" id="1_wrw2j"]
+[ext_resource type="Script" uid="uid://26bxxaoso6np" path="res://resources/items/weapons/item_weapon.gd" id="2_amj6w"]
+[ext_resource type="PackedScene" uid="uid://d1igydtpm3sq8" path="res://scenes/weapons/melee/weapon_punch.tscn" id="2_igce5"]
+[ext_resource type="Resource" uid="uid://c6a44r3a7jmyd" path="res://resources/items/weapons/melee/punch/stats_punch_2.tres" id="3_wrw2j"]
+[ext_resource type="Resource" uid="uid://h4jqjg8mu53b" path="res://resources/items/weapons/melee/punch/item_punch_3.tres" id="4_amj6w"]
+
+[resource]
+script = ExtResource("2_amj6w")
+scene = ExtResource("2_igce5")
+stats = ExtResource("3_wrw2j")
+upgradge_to = ExtResource("4_amj6w")
+item_name = "Punch II"
+item_icon = ExtResource("1_wrw2j")
+item_tier = 1
+item_cost = 25
+metadata/_custom_type_script = "uid://26bxxaoso6np"

resources/items/weapons/melee/punch/item_punch_3.tres

@@ -0,0 +1,18 @@
+[gd_resource type="Resource" script_class="ItemWeapon" format=3 uid="uid://h4jqjg8mu53b"]
+
+[ext_resource type="Texture2D" uid="uid://cyh23wqn8vcac" path="res://assets/sprites/Weapons/Icons/weapon_punch_icon.png" id="1_c6qlh"]
+[ext_resource type="PackedScene" uid="uid://d1igydtpm3sq8" path="res://scenes/weapons/melee/weapon_punch.tscn" id="2_nyb4v"]
+[ext_resource type="Script" uid="uid://26bxxaoso6np" path="res://resources/items/weapons/item_weapon.gd" id="2_tds7r"]
+[ext_resource type="Resource" uid="uid://dwdqmgsh0e417" path="res://resources/items/weapons/melee/punch/stats_punch_3.tres" id="3_c6qlh"]
+[ext_resource type="Resource" uid="uid://b535w50o17ui" path="res://resources/items/weapons/melee/punch/item_punch_4.tres" id="4_tds7r"]
+
+[resource]
+script = ExtResource("2_tds7r")
+scene = ExtResource("2_nyb4v")
+stats = ExtResource("3_c6qlh")
+upgradge_to = ExtResource("4_tds7r")
+item_name = "Punch III"
+item_icon = ExtResource("1_c6qlh")
+item_tier = 2
+item_cost = 55
+metadata/_custom_type_script = "uid://26bxxaoso6np"

resources/items/weapons/melee/punch/item_punch_4.tres

@@ -0,0 +1,16 @@
+[gd_resource type="Resource" script_class="ItemWeapon" format=3 uid="uid://b535w50o17ui"]
+
+[ext_resource type="Texture2D" uid="uid://cyh23wqn8vcac" path="res://assets/sprites/Weapons/Icons/weapon_punch_icon.png" id="1_f1uf4"]
+[ext_resource type="Script" uid="uid://26bxxaoso6np" path="res://resources/items/weapons/item_weapon.gd" id="2_503wk"]
+[ext_resource type="PackedScene" uid="uid://d1igydtpm3sq8" path="res://scenes/weapons/melee/weapon_punch.tscn" id="2_tm866"]
+[ext_resource type="Resource" uid="uid://d32uq8u04r5t7" path="res://resources/items/weapons/melee/punch/stats_punch_4.tres" id="3_f1uf4"]
+
+[resource]
+script = ExtResource("2_503wk")
+scene = ExtResource("2_tm866")
+stats = ExtResource("3_f1uf4")
+item_name = "Punch IV"
+item_icon = ExtResource("1_f1uf4")
+item_tier = 3
+item_cost = 130
+metadata/_custom_type_script = "uid://26bxxaoso6np"

resources/items/weapons/melee/punch/stats_punch_1.tres

@@ -0,0 +1,12 @@
+[gd_resource type="Resource" script_class="WeaponStats" format=3 uid="uid://dqsjrkb2ehidv"]
+
+[ext_resource type="Script" uid="uid://d3d6rctbb48mk" path="res://resources/items/weapons/weapon_stats.gd" id="1_b0adc"]
+
+[resource]
+script = ExtResource("1_b0adc")
+damage = 4.0
+accurary = 1.0
+cooldown = 1.5
+max_range = 180.0
+knockback = 1.0
+metadata/_custom_type_script = "uid://d3d6rctbb48mk"

resources/items/weapons/melee/punch/stats_punch_2.tres

@@ -0,0 +1,12 @@
+[gd_resource type="Resource" script_class="WeaponStats" format=3 uid="uid://c6a44r3a7jmyd"]
+
+[ext_resource type="Script" uid="uid://d3d6rctbb48mk" path="res://resources/items/weapons/weapon_stats.gd" id="1_ccedh"]
+
+[resource]
+script = ExtResource("1_ccedh")
+damage = 8.0
+accurary = 1.0
+cooldown = 1.2
+max_range = 180.0
+knockback = 1.0
+metadata/_custom_type_script = "uid://d3d6rctbb48mk"

resources/items/weapons/melee/punch/stats_punch_3.tres

@@ -0,0 +1,12 @@
+[gd_resource type="Resource" script_class="WeaponStats" format=3 uid="uid://dwdqmgsh0e417"]
+
+[ext_resource type="Script" uid="uid://d3d6rctbb48mk" path="res://resources/items/weapons/weapon_stats.gd" id="1_jst7l"]
+
+[resource]
+script = ExtResource("1_jst7l")
+damage = 16.0
+accurary = 1.0
+cooldown = 0.9
+max_range = 180.0
+knockback = 1.0
+metadata/_custom_type_script = "uid://d3d6rctbb48mk"

resources/items/weapons/melee/punch/stats_punch_4.tres

@@ -0,0 +1,14 @@
+[gd_resource type="Resource" script_class="WeaponStats" format=3 uid="uid://d32uq8u04r5t7"]
+
+[ext_resource type="Script" uid="uid://d3d6rctbb48mk" path="res://resources/items/weapons/weapon_stats.gd" id="1_kkanm"]
+
+[resource]
+script = ExtResource("1_kkanm")
+damage = 30.0
+accurary = 1.0
+cooldown = 0.7
+crit_chance = 0.1
+crit_damage = 2.0
+max_range = 200.0
+knockback = 1.0
+metadata/_custom_type_script = "uid://d3d6rctbb48mk"