Lenheart
f64180ebed
新增通用状态类和职业专属状态类，将状态逻辑从状态机中解耦 添加状态注册机制，支持按职业配置状态 实现基础状态如待机、移动、跳跃、受击等 为剑士职业实现专属攻击状态 补充状态机开发说明文档
95 lines
3.3 KiB
C++
95 lines
3.3 KiB
C++
#pragma once
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#include "character/CharacterActionTypes.h"
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#include <string>
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namespace frostbite2D {
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class CharacterObject;
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class CharacterStateMachine;
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struct CharacterActionDefinition;
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struct CharacterStateContext {
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CharacterObject& owner;
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CharacterCommandBuffer& commandBuffer;
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const CharacterIntent& intent;
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float deltaTime = 0.0f;
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};
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class ICharacterStateNode {
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public:
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virtual ~ICharacterStateNode() = default;
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virtual CharacterStateId GetId() const = 0;
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virtual void OnEnter(CharacterStateMachine& machine,
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CharacterStateContext& context,
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CharacterStateId previousState) {
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(void)machine;
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(void)context;
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(void)previousState;
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}
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virtual void OnUpdate(CharacterStateMachine& machine,
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CharacterStateContext& context) = 0;
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virtual void OnExit(CharacterStateMachine& machine,
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CharacterStateContext& context,
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CharacterStateId nextState) {
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(void)machine;
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(void)context;
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(void)nextState;
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}
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};
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class ICharacterActionStateNode {
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public:
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virtual ~ICharacterActionStateNode() = default;
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virtual bool TryEnter(CharacterStateMachine& machine,
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CharacterStateContext& context) = 0;
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};
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class CharacterStateBase : public ICharacterStateNode {
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public:
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explicit CharacterStateBase(CharacterStateId stateId);
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~CharacterStateBase() override = default;
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CharacterStateId GetId() const override;
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protected:
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void ChangeState(CharacterStateMachine& machine,
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CharacterStateContext& context,
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CharacterStateId nextState) const;
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void PlayActionById(CharacterObject& owner,
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const std::string& actionId,
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const std::string& fallbackTag = "rest") const;
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void InvokeHook(CharacterStateMachine& machine,
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CharacterObject& owner,
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const CharacterActionDefinition* action,
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const char* phase) const;
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bool TryStartAction(CharacterStateMachine& machine,
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CharacterStateContext& context,
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CharacterCommandType commandType,
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const std::string& actionId) const;
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bool TryStartRegisteredAction(CharacterStateMachine& machine,
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CharacterStateContext& context) const;
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void ApplyFrameEvents(CharacterStateMachine& machine,
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CharacterObject& owner,
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int previousFrame,
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int currentFrame) const;
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const CharacterActionDefinition* GetCurrentAction(const CharacterStateMachine& machine) const;
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const std::string& GetCurrentActionId(const CharacterStateMachine& machine) const;
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void SetCurrentAction(CharacterStateMachine& machine,
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const CharacterActionDefinition* action,
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const std::string& actionId) const;
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void ClearCurrentAction(CharacterStateMachine& machine) const;
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float& StateTime(CharacterStateMachine& machine) const;
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float& ActionFrameProgress(CharacterStateMachine& machine) const;
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int& ActionFrame(CharacterStateMachine& machine) const;
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float& LandingTimer(CharacterStateMachine& machine) const;
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private:
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CharacterStateId stateId_ = CharacterStateId::Idle;
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};
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} // namespace frostbite2D
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