文件列表:

.DS_Store (6148, 2021-11-07)
BT1.tscn (2464, 2021-11-07)
LICENSE (1077, 2021-11-07)
PrintTest.bts (4, 2021-11-07)
PrintTest.tscn (1939, 2021-11-07)
PrintTest2.bts (0, 2021-11-07)
PrintTest2.tscn (951, 2021-11-07)
TestScene.gd (1063, 2021-11-07)
TestScene.tscn (2496, 2021-11-07)
addons (0, 2021-11-07)
addons\.DS_Store (6148, 2021-11-07)
addons\naive_behavior_tree (0, 2021-11-07)
addons\naive_behavior_tree\.DS_Store (6148, 2021-11-07)
addons\naive_behavior_tree\behavior_tree (0, 2021-11-07)
addons\naive_behavior_tree\behavior_tree\.DS_Store (6148, 2021-11-07)
addons\naive_behavior_tree\behavior_tree\classes (0, 2021-11-07)
addons\naive_behavior_tree\behavior_tree\classes\.DS_Store (6148, 2021-11-07)
addons\naive_behavior_tree\behavior_tree\classes\BTNode.gd (1939, 2021-11-07)
addons\naive_behavior_tree\behavior_tree\classes\BehaviorTree.gd (2195, 2021-11-07)
addons\naive_behavior_tree\behavior_tree\classes\actions (0, 2021-11-07)
addons\naive_behavior_tree\behavior_tree\classes\actions\BTAction.gd (1375, 2021-11-07)
addons\naive_behavior_tree\behavior_tree\classes\actions\BTActionFail.gd (99, 2021-11-07)
addons\naive_behavior_tree\behavior_tree\classes\actions\BTActionRandomTimer.gd (444, 2021-11-07)
addons\naive_behavior_tree\behavior_tree\classes\actions\BTActionSuccess.gd (105, 2021-11-07)
addons\naive_behavior_tree\behavior_tree\classes\actions\BTActionTimer.gd (328, 2021-11-07)
addons\naive_behavior_tree\behavior_tree\classes\composites (0, 2021-11-07)
addons\naive_behavior_tree\behavior_tree\classes\composites\BTComposite.gd (406, 2021-11-07)
addons\naive_behavior_tree\behavior_tree\classes\composites\BTCompositeDynamicGuardSelector.gd (1240, 2021-11-07)
addons\naive_behavior_tree\behavior_tree\classes\composites\BTCompositeParallel.gd (3300, 2021-11-07)
addons\naive_behavior_tree\behavior_tree\classes\composites\BTCompositeRandomSelector.gd (190, 2021-11-07)
addons\naive_behavior_tree\behavior_tree\classes\composites\BTCompositeRandomSequence.gd (191, 2021-11-07)
addons\naive_behavior_tree\behavior_tree\classes\composites\BTCompositeSelector.gd (596, 2021-11-07)
addons\naive_behavior_tree\behavior_tree\classes\composites\BTCompositeSequence.gd (598, 2021-11-07)
addons\naive_behavior_tree\behavior_tree\classes\composites\BTCompositeSingle.gd (2244, 2021-11-07)
addons\naive_behavior_tree\behavior_tree\classes\decorators (0, 2021-11-07)
addons\naive_behavior_tree\behavior_tree\classes\decorators\BTDecorator.gd (668, 2021-11-07)
... ...

# 一个行为树编译器 输入行为树定义脚本,输出PackedScene并保存到项目文件中 ## 介绍 本项目行为树节点部分参考 。 编译器部分为自己研发,所以会有很多bug。。。 希望有人能帮忙测试,以便使其能够实际应用。 一下使用`BTS`表示行为树脚本。 ## 语法 ``` line = [[indent] [guardableTask] [comment]] guardableTask = [guard [...]] task guard = '(' task ')' task = name [param:value [...]] | subtreeRef ``` ## 行为树节点 ### BTNode 所有行为树节点都继承自此节点 ### BehaviorTree 用于存放根节点,可设置`agent`,以便在子节点中获取:`tree.agent`。 可以设置为自己的游戏实体对象。 ### BTAction 表示一个动作,自定义节点应该继承自该节点。 示例: ``` tool extends BTAction export(String) var msg:String #----- Methods ----- func execute(): print(msg) return SUCCEEDED ``` 需要重载`execute()`函数以便实现自定义功能。 函数中可访问`tree`来得到行为树,`tree.agent`可得到自定义的游戏实体对象。 返回`SUCCEEDED`表示该动作完成了,`FAILED`表示该动作失败了,`RUNNING`表示该动作正在执行。 可以使用`yield`来实现等待信号。 一个使用来`yield`实现的定时器: ``` tool extends BTAction export(float) var wait:float = 1 #----- Methods ----- func execute(): print('wait for 1 sec') yield(get_tree().create_timer(wait), "timeout") print('wait for 2 sec') yield(get_tree().create_timer(2), "timeout") print('wait for 3 sec') yield(get_tree().create_timer(3), "timeout") print('done.') return SUCCEEDED ``` ## 示例 ``` # 注释 import alias: "path/to/your/custom/behavior/tree/node.gd" # 导入自定义节点 import dead?: "path/to/your/custom/behavior/tree/node.gd" # 导入自定义节点,标识符可以使用问号 subtree name: xxx # 定义子树,第一个节点为根节点,缩进表示节点的父子关系 parrallel orchestrator: JOIN # 后面为参数,':'左边为参数名,右边为表达式,可包含函数,表达式在编译时执行求值 alias alias tree # 必须仅包含1个树,第一个节点为根节点,缩进表示父子关系 sequence $xxx # 引用子树 (dead?) alias # 使用'dead?'作为护卫节点 ``` ``` # # 小狗的行为树 # import 叫:"res://dog/bt/BarkTask.gd" import 摇摆:"res://dog/bt/CareTask.gd" import 标记:"res://dog/bt/MarkTask.gd" import 走:"res://dog/bt/WalkTask.gd" subtree name: 摇摆树 parallel # 并行 摇摆 次数: 3 # 摇摆3次 alwaysFail # 总是失败 res://dog/bt/RestTask' # 休息 tree selector # 选择 $摇摆树 # 引用子树 sequence # 顺序 叫 次数: rand_rangei(1, 1) 走 "res://dog/bt/BarkTask" # 直接使用字符串也行 标记 ``` ## BTS中的内建节点 ``` # Actions fail # Always fail success # Always success timer wait: 1.0 # Wait for 1 sec. # Composites dynamic_guard_selector # Choose a child to run at a time by guard check that succeeded. parallel policy: SEQUENCE/SELECTOR orchestrator: RESUME/JOIN # Run all children at a time with the policy and orchestrator applied. selector # Choose a child to run in order. random_selector sequence # Run children one by one in order. random_sequence # Decorators - wrap the result of a child. always_fail always_succeed invert random success_posibility: 0.5 # Has a chance of 0.5 to run the child. repeat times: 1 # Repeat the child for 1 time. until_fail # Run child until it fail. until_success # Run child until it scceeded. ``` ## 许可证 MIT ## 其他 B站地址:https://space.bilibili.com/15155009 爱发电主页:https://afdian.net/@raiix 欢迎赞助支持哟~ 蘩的游戏开发交流QQ群:8372***758 来分享你刚编的游戏创意或者展现你的游戏开发技术吧~

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