Merge pull request 'feature/网格瓦片系统' (#9) from feature/网格瓦片系统 into main

Reviewed-on: #9

_Core/EventNames.gd

@@ -51,6 +51,8 @@ const SCENE_DATA_TRANSFER = "scene_data_transfer"
 const TILEMAP_READY = "tilemap_ready"
 const COMPONENT_MESSAGE = "component_message"
 const POSITION_UPDATE = "position_update"
+const GRID_POSITION_CHANGED = "grid_position_changed"
+const GRID_SNAP_REQUESTED = "grid_snap_requested"
 
 # ============================================================================
 # 测试事件

_Core/ProjectPaths.gd

@@ -19,6 +19,11 @@ const CORE_SYSTEMS = CORE_ROOT + "systems/"
 const CORE_COMPONENTS = CORE_ROOT + "components/"
 const CORE_UTILS = CORE_ROOT + "utils/"
 
+# 系统文件路径
+const GRID_SYSTEM = CORE_SYSTEMS + "GridSystem.gd"
+const EVENT_SYSTEM = CORE_SYSTEMS + "EventSystem.gd"
+const TILE_SYSTEM = CORE_SYSTEMS + "TileSystem.gd"
+
 # ============================================================================
 # 场景路径
 # ============================================================================
@@ -46,6 +51,10 @@ const ASSETS_FONTS = ASSETS_ROOT + "fonts/"
 const ASSETS_MATERIALS = ASSETS_ROOT + "materials/"
 const ASSETS_SHADERS = ASSETS_ROOT + "shaders/"
 
+# 地形资源路径
+const ASSETS_TERRAIN = ASSETS_SPRITES + "terrain/"
+const ASSETS_GRASS = ASSETS_TERRAIN + "grass/"
+
 # ============================================================================
 # 数据路径
 # ============================================================================

_Core/systems/GridSystem.gd

@@ -0,0 +1,143 @@
+# ============================================================================
+# 网格系统 - GridSystem.gd
+# 
+# 提供32x32像素的最小网格单元控制，用于规范地图大小和位置计算
+# 
+# 使用方式:
+#   var grid_pos = GridSystem.world_to_grid(world_position)
+#   var world_pos = GridSystem.grid_to_world(grid_position)
+#   var snapped_pos = GridSystem.snap_to_grid(position)
+# ============================================================================
+
+class_name GridSystem
+extends RefCounted
+
+# ============================================================================
+# 常量定义
+# ============================================================================
+const GRID_SIZE: int = 32  # 网格单元大小 32x32 像素
+const HALF_GRID_SIZE: float = GRID_SIZE * 0.5  # 网格中心偏移
+
+# ============================================================================
+# 坐标转换方法
+# ============================================================================
+
+# 世界坐标转换为网格坐标
+static func world_to_grid(world_pos: Vector2) -> Vector2i:
+	return Vector2i(
+		int(world_pos.x / GRID_SIZE),
+		int(world_pos.y / GRID_SIZE)
+	)
+
+# 网格坐标转换为世界坐标（返回网格左上角）
+static func grid_to_world(grid_pos: Vector2i) -> Vector2:
+	return Vector2(
+		grid_pos.x * GRID_SIZE,
+		grid_pos.y * GRID_SIZE
+	)
+
+# 网格坐标转换为世界坐标（返回网格中心）
+static func grid_to_world_center(grid_pos: Vector2i) -> Vector2:
+	return Vector2(
+		grid_pos.x * GRID_SIZE + HALF_GRID_SIZE,
+		grid_pos.y * GRID_SIZE + HALF_GRID_SIZE
+	)
+
+# 将位置吸附到最近的网格点（左上角）
+static func snap_to_grid(position: Vector2) -> Vector2:
+	return Vector2(
+		floor(position.x / GRID_SIZE) * GRID_SIZE,
+		floor(position.y / GRID_SIZE) * GRID_SIZE
+	)
+
+# 将位置吸附到最近的网格中心
+static func snap_to_grid_center(position: Vector2) -> Vector2:
+	var grid_pos = world_to_grid(position)
+	return grid_to_world_center(grid_pos)
+
+# ============================================================================
+# 距离和区域计算
+# ============================================================================
+
+# 计算两个网格坐标之间的曼哈顿距离
+static func grid_distance_manhattan(grid_pos1: Vector2i, grid_pos2: Vector2i) -> int:
+	return abs(grid_pos1.x - grid_pos2.x) + abs(grid_pos1.y - grid_pos2.y)
+
+# 计算两个网格坐标之间的欧几里得距离
+static func grid_distance_euclidean(grid_pos1: Vector2i, grid_pos2: Vector2i) -> float:
+	var diff = grid_pos1 - grid_pos2
+	return sqrt(diff.x * diff.x + diff.y * diff.y)
+
+# 获取指定网格坐标周围的邻居网格（4方向）
+static func get_grid_neighbors_4(grid_pos: Vector2i) -> Array[Vector2i]:
+	return [
+		Vector2i(grid_pos.x, grid_pos.y - 1),  # 上
+		Vector2i(grid_pos.x + 1, grid_pos.y),  # 右
+		Vector2i(grid_pos.x, grid_pos.y + 1),  # 下
+		Vector2i(grid_pos.x - 1, grid_pos.y)   # 左
+	]
+
+# 获取指定网格坐标周围的邻居网格（8方向）
+static func get_grid_neighbors_8(grid_pos: Vector2i) -> Array[Vector2i]:
+	var neighbors: Array[Vector2i] = []
+	for x in range(-1, 2):
+		for y in range(-1, 2):
+			if x == 0 and y == 0:
+				continue
+			neighbors.append(Vector2i(grid_pos.x + x, grid_pos.y + y))
+	return neighbors
+
+# ============================================================================
+# 区域和边界检查
+# ============================================================================
+
+# 检查网格坐标是否在指定矩形区域内
+static func is_grid_in_bounds(grid_pos: Vector2i, min_grid: Vector2i, max_grid: Vector2i) -> bool:
+	return (grid_pos.x >= min_grid.x and grid_pos.x <= max_grid.x and
+			grid_pos.y >= min_grid.y and grid_pos.y <= max_grid.y)
+
+# 获取矩形区域内的所有网格坐标
+static func get_grids_in_rect(min_grid: Vector2i, max_grid: Vector2i) -> Array[Vector2i]:
+	var grids: Array[Vector2i] = []
+	for x in range(min_grid.x, max_grid.x + 1):
+		for y in range(min_grid.y, max_grid.y + 1):
+			grids.append(Vector2i(x, y))
+	return grids
+
+# ============================================================================
+# 地图尺寸规范化
+# ============================================================================
+
+# 将像素尺寸规范化为网格尺寸的倍数
+static func normalize_size_to_grid(pixel_size: Vector2i) -> Vector2i:
+	return Vector2i(
+		int(ceil(float(pixel_size.x) / GRID_SIZE)) * GRID_SIZE,
+		int(ceil(float(pixel_size.y) / GRID_SIZE)) * GRID_SIZE
+	)
+
+# 计算指定像素尺寸需要多少个网格单元
+static func get_grid_count(pixel_size: Vector2i) -> Vector2i:
+	return Vector2i(
+		int(ceil(float(pixel_size.x) / GRID_SIZE)),
+		int(ceil(float(pixel_size.y) / GRID_SIZE))
+	)
+
+# ============================================================================
+# 调试和可视化辅助
+# ============================================================================
+
+# 获取网格的边界矩形（用于调试绘制）
+static func get_grid_rect(grid_pos: Vector2i) -> Rect2:
+	var world_pos = grid_to_world(grid_pos)
+	return Rect2(world_pos, Vector2(GRID_SIZE, GRID_SIZE))
+
+# 打印网格信息（调试用）
+static func print_grid_info(world_pos: Vector2) -> void:
+	var grid_pos = world_to_grid(world_pos)
+	var snapped_pos = snap_to_grid(world_pos)
+	var center_pos = grid_to_world_center(grid_pos)
+	
+	print("世界坐标: ", world_pos)
+	print("网格坐标: ", grid_pos)
+	print("吸附位置: ", snapped_pos)
+	print("网格中心: ", center_pos)

_Core/systems/GridSystem.gd.uid

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assets/sprites/environment/floor_tile.png.import

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assets/sprites/environment/square.png.import

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assets/sprites/environment/square1.png.import

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assets/sprites/environment/广场瓦片集.png.import

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assets/sprites/environment/草地.png.import

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assets/sprites/sprites/characters/.gitkeep

@@ -1 +0,0 @@
-# 保持目录结构 - 角色精灵资源目录

assets/sprites/sprites/effects/.gitkeep

@@ -1 +0,0 @@
-# 保持目录结构 - 特效精灵资源目录

assets/sprites/sprites/environment/.gitkeep

@@ -1 +0,0 @@
-# 保持目录结构 - 环境精灵资源目录

docs/06-功能模块/网格瓦片系统.md

@@ -0,0 +1,59 @@
+# 网格瓦片系统
+
+## 概述
+
+网格瓦片系统提供32x32像素的标准化网格管理，用于规范地图元素的位置和大小。
+
+## 核心组件
+
+### GridSystem (核心系统)
+- **位置**: `_Core/systems/GridSystem.gd`
+- **功能**: 提供网格坐标转换、位置计算等基础功能
+- **类型**: 静态工具类
+
+### GrassTile (瓦片组件)
+- **脚本**: `scenes/prefabs/GrassTile.gd`
+- **场景**: `scenes/prefabs/grass_tile_prefab.tscn`
+- **功能**: 可视化的草地瓦片，自动对齐32x32网格
+
+## 使用方法
+
+### 在编辑器中使用
+1. 拖拽 `scenes/prefabs/grass_tile_prefab.tscn` 到场景中
+2. 在Inspector中设置Texture和Grid Position
+3. 瓦片会自动对齐到网格
+
+### 通过代码使用
+```gdscript
+# 预加载场景
+const GrassTileScene = preload("res://scenes/prefabs/grass_tile_prefab.tscn")
+
+# 创建瓦片
+var grass = GrassTileScene.instantiate()
+add_child(grass)
+grass.set_grid_position(Vector2i(0, 0))
+```
+
+## 网格规范
+
+### 基础规格
+- **网格大小**: 32x32像素
+- **坐标系**: 左上角为原点(0,0)
+- **对齐方式**: 瓦片中心对齐到网格中心
+
+### 纹理要求
+- 尺寸必须是32的倍数
+- 推荐格式: PNG
+- 推荐尺寸: 32x32, 64x64, 96x96
+
+## API参考
+
+### GridSystem 方法
+- `world_to_grid(world_pos: Vector2) -> Vector2i`
+- `grid_to_world_center(grid_pos: Vector2i) -> Vector2`
+- `snap_to_grid(position: Vector2) -> Vector2`
+
+### GrassTile 属性和方法
+- `grid_position: Vector2i` - 网格坐标
+- `set_grid_position(pos: Vector2i)` - 设置网格位置
+- `snap_to_grid()` - 对齐到网格

scenes/Maps/square.tscn

@@ -0,0 +1,16 @@
+[gd_scene load_steps=4 format=3 uid="uid://5cc0c6cpnhe8"]
+
+[ext_resource type="Texture2D" uid="uid://7o0xyqmqbvov" path="res://assets/sprites/environment/square.png" id="1_a2ug0"]
+
+[sub_resource type="TileSetAtlasSource" id="TileSetAtlasSource_1t0sv"]
+texture = ExtResource("1_a2ug0")
+15:1/size_in_atlas = Vector2i(2, 2)
+15:1/0 = 0
+
+[sub_resource type="TileSet" id="TileSet_g3awv"]
+sources/0 = SubResource("TileSetAtlasSource_1t0sv")
+
+[node name="square" type="Node2D"]
+
+[node name="TileMapLayer" type="TileMapLayer" parent="."]
+tile_set = SubResource("TileSet_g3awv")

scenes/prefabs/GrassTile.gd

@@ -0,0 +1,122 @@
+# ============================================================================
+# 简单草地瓦片 - GrassTile.gd
+# 
+# 一个简单的32x32草地瓦片，自动对齐网格
+# 使用方法：
+#   1. 在场景中实例化 grass_tile_prefab.tscn
+#   2. 设置 texture 属性
+#   3. 调用 set_grid_position() 设置网格位置
+# ============================================================================
+
+class_name GrassTile
+extends Sprite2D
+
+# ============================================================================
+# 导出属性
+# ============================================================================
+@export var grid_position: Vector2i = Vector2i.ZERO : set = set_grid_position
+@export var auto_snap: bool = true  # 是否自动对齐网格
+
+# ============================================================================
+# 信号
+# ============================================================================
+signal position_changed(new_grid_pos: Vector2i)
+
+func _ready():
+	# 如果没有纹理，创建一个默认的占位符
+	if not texture:
+		_create_placeholder_texture()
+	
+	# 验证纹理尺寸
+	_validate_texture()
+	
+	# 自动对齐到网格
+	if auto_snap:
+		snap_to_grid()
+
+# ============================================================================
+# 公共方法
+# ============================================================================
+
+# 设置网格位置并自动对齐
+func set_grid_position(new_pos: Vector2i):
+	if grid_position != new_pos:
+		grid_position = new_pos
+		if auto_snap:
+			snap_to_grid()
+		position_changed.emit(grid_position)
+
+# 对齐到网格中心
+func snap_to_grid():
+	position = Vector2(
+		grid_position.x * 32.0 + 16.0,
+		grid_position.y * 32.0 + 16.0
+	)
+
+# 从世界坐标设置位置（会自动转换为网格坐标）
+func set_world_position(world_pos: Vector2):
+	var new_grid_pos = Vector2i(
+		int(world_pos.x / 32.0),
+		int(world_pos.y / 32.0)
+	)
+	set_grid_position(new_grid_pos)
+
+# 获取世界坐标
+func get_world_position() -> Vector2:
+	return position
+
+# ============================================================================
+# 私有方法
+# ============================================================================
+
+# 创建占位符纹理
+func _create_placeholder_texture():
+	var image = Image.create(32, 32, false, Image.FORMAT_RGBA8)
+	
+	# 创建简单的草地图案
+	var grass_color = Color(0.3, 0.8, 0.3, 1.0)  # 亮绿色
+	var dark_color = Color(0.2, 0.6, 0.2, 1.0)   # 深绿色
+	
+	# 填充基础颜色
+	image.fill(grass_color)
+	
+	# 添加简单的格子图案
+	for x in range(32):
+		for y in range(32):
+			if (x + y) % 8 < 4:
+				image.set_pixel(x, y, dark_color)
+	
+	# 创建纹理
+	var placeholder_texture = ImageTexture.new()
+	placeholder_texture.set_image(image)
+	texture = placeholder_texture
+
+# 验证纹理尺寸
+func _validate_texture():
+	if texture:
+		var size = Vector2i(texture.get_width(), texture.get_height())
+		if size.x % 32 != 0 or size.y % 32 != 0:
+			push_warning("GrassTile: 纹理尺寸不是32的倍数: " + str(size))
+			return false
+		return true
+	return false
+
+# ============================================================================
+# 调试方法
+# ============================================================================
+
+# 获取瓦片信息
+func get_tile_info() -> Dictionary:
+	return {
+		"grid_position": grid_position,
+		"world_position": position,
+		"texture_size": texture.get_size() if texture else Vector2.ZERO,
+		"auto_snap": auto_snap
+	}
+
+# 打印瓦片信息
+func print_info():
+	var info = get_tile_info()
+	print("=== 草地瓦片信息 ===")
+	for key in info:
+		print(key, ": ", info[key])

scenes/prefabs/grass_tile_prefab.tscn

@@ -0,0 +1,10 @@
+[gd_scene load_steps=3 format=3 uid="uid://bvxqm8n7qwqxe"]
+
+[ext_resource type="Script" path="res://scenes/prefabs/GrassTile.gd" id="1_0x8qm"]
+
+[sub_resource type="PlaceholderTexture2D" id="PlaceholderTexture2D_1"]
+size = Vector2(32, 32)
+
+[node name="GrassTile" type="Sprite2D"]
+texture = SubResource("PlaceholderTexture2D_1")
+script = ExtResource("1_0x8qm")

tools/README.md

@@ -1,191 +0,0 @@
-# 🛠️ 构建和部署工具
-
-本目录包含项目的构建和部署脚本。
-
----
-
-## 📦 Web 构建工具
-
-### build_web.sh (Linux/macOS)
-### build_web.bat (Windows)
-
-**功能**: 将 Godot 项目导出为 Web 版本
-
-#### 使用方法
-
-**macOS/Linux:**
-```bash
-chmod +x tools/build_web.sh
-./tools/build_web.sh
-```
-
-**Windows:**
-```cmd
-tools\build_web.bat
-```
-
-#### 输出目录
-- `build/web/` - 导出的 Web 游戏文件
-
-#### 导出内容包括:
-- `index.html` - Web 入口文件
-- `index.js` - 游戏主逻辑
-- `index.wasm` - WebAssembly 文件
-- `index.pck` - 游戏资源包
-
----
-
-## 🌐 Web 测试服务器
-
-### serve_web.sh (Linux/macOS)
-### serve_web.bat (Windows)
-
-**功能**: 启动本地 HTTP 服务器预览 Web 游戏
-
-#### 使用方法
-
-**macOS/Linux:**
-```bash
-chmod +x tools/serve_web.sh
-./tools/serve_web.sh
-```
-
-**Windows:**
-```cmd
-tools\serve_web.bat
-```
-
-#### 访问地址
-- 默认: `http://localhost:8000`
-- 浏览器会自动打开
-
-#### 注意事项
-⚠️ **必须使用 HTTP 服务器**
-- 不能直接用 `file://` 打开 `index.html`
-- Godot Web 版本需要 HTTP 环境
-- 本服务器已配置正确的 CORS 头
-
----
-
-## 🔧 配置说明
-
-### 修改 Godot 路径
-
-编辑脚本中的 `GODOT_PATH` 变量：
-
-**macOS:**
-```bash
-GODOT_PATH="/usr/local/bin/godot"  # Homebrew
-# 或
-GODOT_PATH="$HOME/Applications/Godot.app/Contents/MacOS/Godot"  # 应用程序
-```
-
-**Windows:**
-```batch
-set GODOT_PATH=C:\Program Files\Godot\godot.exe
-```
-
-**Linux:**
-```bash
-GODOT_PATH="/usr/bin/godot"  # 包管理器
-# 或
-GODOT_PATH="$HOME/bin/godot"  # 手动安装
-```
-
-### 修改端口
-
-编辑 `serve_web.sh` 或 `serve_web.bat` 中的端口配置：
-```bash
-PORT=8080  # 改为其他端口
-```
-
----
-
-## 📋 典型工作流程
-
-### 1. 开发阶段
-在 Godot 编辑器中开发和测试游戏
-
-### 2. 导出 Web 版本
-```bash
-./tools/build_web.sh
-```
-
-### 3. 本地测试
-```bash
-./tools/serve_web.sh
-# 浏览器访问 http://localhost:8000
-```
-
-### 4. 部署到服务器
-将 `build/web/` 目录的内容上传到你的 Web 服务器
-
----
-
-## 🌍 部署平台示例
-
-### GitHub Pages
-```bash
-./tools/build_web.sh
-# 将 build/web/ 推送到 gh-pages 分支
-```
-
-### Netlify
-```bash
-# 直接拖拽 build/web/ 目录到 Netlify
-```
-
-### Vercel
-```bash
-./tools/build_web.sh
-vercel --prod build/web/
-```
-
-### 自己的服务器
-```bash
-scp -r build/web/* user@server:/var/www/html/
-```
-
----
-
-## ⚠️ 常见问题
-
-### 问题 1: 找不到 Godot
-**解决方案**: 修改脚本中的 `GODOT_PATH` 变量
-
-### 问题 2: 权限不足 (macOS/Linux)
-**解决方案**:
-```bash
-chmod +x tools/build_web.sh tools/serve_web.sh
-```
-
-### 问题 3: 浏览器无法加载游戏
-**原因**: 必须使用 HTTP 服务器，不能用 `file://`
-**解决方案**: 使用 `serve_web.sh` 启动本地服务器
-
-### 问题 4: 游戏黑屏
-**检查**:
-- 浏览器控制台是否有错误
-- WebAssembly 是否启用
-- 是否在 HTTPS 或 localhost 环境下运行
-
----
-
-## 📚 相关文档
-
-- [Godot Web 导出文档](https://docs.godotengine.org/en/stable/tutorials/export/exporting_for_web.html)
-- [Web 服务器配置](https://docs.godotengine.org/en/stable/tutorials/export/binary_files_for_web_games.html)
-- [项目 Web 部署指南](../docs/web_deployment_guide.md)
-
----
-
-## 🎯 下一步
-
-1. 确保安装了 Godot 4.5+
-2. 运行 `./tools/build_web.sh` 测试导出
-3. 运行 `./tools/serve_web.sh` 本地预览
-4. 根据需要修改配置参数
-
----
-
-**祝你发布顺利！** 🚀