ActionWindowState.h

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#pragma once
#include "common/Export.h"
 
 
#include "action/ActionStateWindowBlock.h"
#include "common/SubjectRef.h"
 
#include <functional>
#include <map>
#include <string>
#include <vector>
 
namespace eve::combat {
 
class MeleeHitRuntime;
 
using ActionWindowSubjectResolver = std::function<Result<SubjectRef>(ecs::EntityHandle)>;
 
class EVENGINE_API_BACKENDS CombatActionWindowState final : public action::IActionStateWindowSink {
public:
    explicit CombatActionWindowState(ActionWindowSubjectResolver resolver);
    ~CombatActionWindowState() override;
 
    void setEnabled(bool enabled);
    void setMeleeHitRuntime(MeleeHitRuntime& melee) noexcept;
    void clearMeleeHitRuntime() noexcept;
    [[nodiscard]] bool enabled() const;
    [[nodiscard]] bool supports(action::ActionStateWindowKind kind) const noexcept override;
    [[nodiscard]] Result<void> enter(const action::ActionStateWindowBinding& binding,
                                     const action::ActionTimelineEvent& event,
                                     const action::ActionNotifyContext& context) override;
    [[nodiscard]] Result<void> exit(const action::ActionStateWindowBinding& binding,
                                    const action::ActionTimelineEvent& event,
                                    const action::ActionNotifyContext& context) override;
 
    [[nodiscard]] bool isInvulnerable(SubjectRef subject) const noexcept;
    [[nodiscard]] std::vector<std::string> activeHitboxes(SubjectRef subject) const;
    [[nodiscard]] std::size_t activeCount() const noexcept { return active_.size(); }
 
private:
    using ActiveKey = std::pair<action::ActionExecutionId, std::string>;
    struct ActiveWindow {
        action::ActionStateWindowBinding binding;
        SubjectRef                       subject;
    };
 
    ActionWindowSubjectResolver       resolver_;
    std::map<ActiveKey, ActiveWindow> active_;
    MeleeHitRuntime*                  melee_ = nullptr;
};
 
}  // namespace eve::combat