Unreal Engine 4学习总动员：蓝图应用

目录

第1章 蓝图简介 ..............................................................................................1

1.1　蓝图的工作原理 .......................................................................................................2

1.2　常用的蓝图类型 .......................................................................................................2

1.3　蓝图还能够做什么 ....................................................................................................3

1.4　蓝图编辑器和图表 ....................................................................................................5

第2章 常规脚本 ..............................................................................................6

2.1　基础脚本 ..................................................................................................................7

2.1.1　变量 .......................................................................................................................................7

2.1.2　执行流程 ...............................................................................................................................7

2.1.3　阵列和结构 ...........................................................................................................................7

2.2　蓝图中的转换 ...........................................................................................................7

2.3　事件 ..........................................................................................................................8

2.3.1　Event Level Reset ..................................................................................................................9

2.3.2　Event Actor Begin Overlap ...................................................................................................9

2.3.3　Event Actor End Overlap ......................................................................................................9

2.3.4　Event Hit .............................................................................................................................10

2.3.5　Event Any Damage ..............................................................................................................11

2.3.6　Event Point Damage ............................................................................................................11

2.3.7　Event Radial Damage ..........................................................................................................12

2.3.8　Event Actor Begin Cursor Over ..........................................................................................13

2.3.9　Event Actor End Cursor Over .............................................................................................13

2.3.10　Event Begin Play ...............................................................................................................13

2.3.11　Event End Play ..................................................................................................................14

2.3.12　Event Destroyed ................................................................................................................14

2.3.13　Event Tick .........................................................................................................................14

2.3.14　Event Receive Draw HUD ................................................................................................15

2.3.15　Custom Event ....................................................................................................................15

2.4　蓝图中的结构体变量 ..............................................................................................19

2.4.1　创建结构体 .........................................................................................................................19

2.4.2　访问结构体信息 .................................................................................................................20

2.4.3　拆分结构体 .........................................................................................................................21

第3章 建造蓝图 ............................................................................................24

3.1　蓝图剖析 ................................................................................................................25

3.1.1　蓝图类 ................................................................................................................................. 25

3.1.2　蓝图基础用户指南 ............................................................................................................. 28

3.1.3　组件 ..................................................................................................................................... 34

3.1.4　事件图表 ............................................................................................................................. 39

3.1.5　图表 ..................................................................................................................................... 39

3.1.6　构造脚本 ............................................................................................................................. 41

3.2　用蓝图工作 .............................................................................................................41

3.2.1　蓝图编辑器速查表 ............................................................................................................. 42

3.2.2　蓝图搜索 ............................................................................................................................. 45

3.2.3　蓝图调试1 ........................................................................................................................... 47

3.2.4　蓝图调试2 ........................................................................................................................... 50

3.2.5　注释 ..................................................................................................................................... 55

3.3　蓝图指导 ................................................................................................................57

3.3.1　创建蓝图类 ......................................................................................................................... 58

3.3.2　连接节点 ............................................................................................................................. 59

3.3.3　重叠图表 ............................................................................................................................. 65

3.3.4　设置和获取Actor引用 ........................................................................................................ 70

3.3.5　创建函数 ............................................................................................................................. 76

3.3.6　蓝图用户指南：变量 ......................................................................................................... 80

3.3.7　直接蓝图通信 ..................................................................................................................... 86

3.3.8　蓝图转换范例 ..................................................................................................................... 89

3.3.9　事件分配器 ......................................................................................................................... 92

3.3.10　创建宏 ............................................................................................................................... 96

3.3.11　放置节点 ........................................................................................................................... 99

3.3.12　使用陈列 ......................................................................................................................... 103

3.3.13　使用接口 ......................................................................................................................... 109

3.3.14　使用宏库 ......................................................................................................................... 115

3.4　蓝图方法 .......................................................................................................118

3.4.1　关卡蓝图vs蓝图类 ........................................................................................................... 118

3.4.2　类变量vs本地变量 ........................................................................................................... 119

3.4.3　函数vs宏 ........................................................................................................................... 119

3.4.4　蓝图通信类型 ................................................................................................................... 120

3.4.5　常规提示 ........................................................................................................................... 120

第4章 蓝图通信 ..........................................................................................122

4.1　蓝图通信用法 .......................................................................................................123

4.2　蓝图通信项目 .......................................................................................................125

4.2.1　概述 ................................................................................................................................... 125

4.2.2　所需资源的设置 ............................................................................................................... 126

4.2.3　对所需角色的设置 ........................................................................................................... 131

4.2.4　生成可射击的岩石 ........................................................................................................... 135

4.2.5　从关卡传递信息到角色 ................................................................................................... 139

4.2.6　销毁岩石 ........................................................................................................................... 142

4.2.7　使用HUD通信 .................................................................................................................. 145

4.2.8　发挥想象 ........................................................................................................................... 147

4.3　管理蓝图通信 .......................................................................................................148

4.3.1　概述 ................................................................................................................................... 148

4.3.2　引用目标蓝图的简单方法 ............................................................................................... 148

4.3.3　引用目标蓝图的其他方法 ............................................................................................... 151

4.3.4　问题解决 ........................................................................................................................... 153

4.3.5　蓝图接口迁移 ................................................................................................................... 153

4.4　事件调度器 ...........................................................................................................154

4.4.1　绑定及解除绑定事件 ....................................................................................................... 156

4.4.2　调用事件调度器 ............................................................................................................... 158

4.4.3　创建调度事件 ................................................................................................................... 160

4.5　蓝图接口 ..............................................................................................................161

4.5.1　概述 ................................................................................................................................... 161

4.5.2　创建蓝图接口 ................................................................................................................... 162

4.5.3　编辑蓝图接口 ................................................................................................................... 162

4.5.4　实现蓝图接口 ................................................................................................................... 164

第5章 蓝图编辑器 .......................................................................................168

5.1　蓝图编辑器模式 ...................................................................................................169

5.2　蓝图类UI ..............................................................................................................170

5.3　仅包含数据的蓝图UI ............................................................................................171

5.4　蓝图接口用户界面 ................................................................................................171

5.4.1　概述 ................................................................................................................................... 171

5.4.2　蓝图接口编辑器用户界面 ............................................................................................... 171

5.5　关卡蓝图UI ...........................................................................................................172

5.5.1　概述 ................................................................................................................................... 172

5.5.2　接口 ................................................................................................................................... 173

5.6　宏库UI ..................................................................................................................173

5.7　编译器结果 ...........................................................................................................174

5.7.1　概述 ................................................................................................................................... 174

5.7.2　界面 ................................................................................................................................... 174

5.7.3　打开编译器结果面板 ....................................................................................................... 175

5.7.4　错误和警告浏览 ............................................................................................................... 175

5.8　调试面板 ..............................................................................................................176

5.8.1　概述 ................................................................................................................................... 176

5.8.2　界面 ................................................................................................................................... 176

5.9　详细信息面板 .......................................................................................................177

5.9.1　概述 ................................................................................................................................... 177

5.9.2　界面 ................................................................................................................................... 177

5.10　搜索结果面板 .....................................................................................................178

5.10.1　概述 ................................................................................................................................. 178

5.10.2　界面 ................................................................................................................................. 179

5.11　菜单 ....................................................................................................................179

5.11.1　概述 ................................................................................................................................. 179

5.11.2　文件 ................................................................................................................................. 180

5.11.3　编辑 ................................................................................................................................. 180

5.11.4　资源 ................................................................................................................................. 180

5.11.5　视图 ................................................................................................................................. 180

5.11.6　调试 ................................................................................................................................. 181

5.11.7　窗口 ................................................................................................................................. 181

5.12　我的蓝图 ............................................................................................................181

5.12.1　创建按钮 ......................................................................................................................... 182

5.12.2　我的蓝图部分 ................................................................................................................. 182

5.12.3　在我的蓝图中进行搜索 .................................................................................................. 183

5.13　Palette（面板） .................................................................................................183

5.13.1　提炼面板结果 ................................................................................................................. 184

5.13.2　放置节点 ......................................................................................................................... 184

5.14　蓝图编辑器视口 .................................................................................................185

5.14.1　概述 ................................................................................................................................. 185

5.14.2　视图菜单 ......................................................................................................................... 185

第6章 蓝图技术指南 ...................................................................................186

6.1　暴露游戏元素给蓝图 ............................................................................................187

6.1.1　概述 ................................................................................................................................... 187

6.1.2　创建蓝图可以继承的类 ................................................................................................... 187

6.1.3　可读和可写属性 ............................................................................................................... 188

6.1.4　可执行和可重载的函数 ................................................................................................... 188

6.2　蓝图编程指南 .......................................................................................................189

6.2.1　速度 ................................................................................................................................... 189

6.2.2　复杂度 ............................................................................................................................... 190

6.2.3　范例 ................................................................................................................................... 190

6.2.4　创建蓝图API：提示和技巧 ............................................................................................ 190

6.3　原生化蓝图 ...........................................................................................................192

6.3.1　启用蓝图原生化 ............................................................................................................... 192

6.3.2　从转换中排除蓝图 ........................................................................................................... 193

6.4　高级蓝图原生化 ...................................................................................................193

6.4.1　使用虚幻自动化工具进行构建 .......................................................................................... 193

6.4.2　C 协作 ............................................................................................................................ 193

6.4.3　技术细节 ........................................................................................................................... 194