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XCEngine/engine/include/XCEngine/Scripting/ScriptEngine.h

89 lines
2.9 KiB
C++

#pragma once
#include <XCEngine/Scripting/IScriptRuntime.h>
#include <XCEngine/Scripting/NullScriptRuntime.h>
#include <cstddef>
#include <cstdint>
#include <unordered_map>
#include <vector>
namespace XCEngine {
namespace Scripting {
class ScriptComponent;
class ScriptEngine {
public:
static ScriptEngine& Get();
void SetRuntime(IScriptRuntime* runtime);
IScriptRuntime* GetRuntime() const { return m_runtime; }
void OnRuntimeStart(Components::Scene* scene);
void OnRuntimeStop();
void OnFixedUpdate(float fixedDeltaTime);
void OnUpdate(float deltaTime);
void OnLateUpdate(float deltaTime);
void OnScriptComponentEnabled(ScriptComponent* component);
void OnScriptComponentDisabled(ScriptComponent* component);
void OnScriptComponentDestroyed(ScriptComponent* component);
bool IsRuntimeRunning() const { return m_runtimeRunning; }
Components::Scene* GetRuntimeScene() const { return m_runtimeScene; }
bool HasTrackedScriptComponent(const ScriptComponent* component) const;
bool HasRuntimeInstance(const ScriptComponent* component) const;
size_t GetTrackedScriptCount() const { return m_scriptOrder.size(); }
private:
struct ScriptInstanceKey {
uint64_t gameObjectUUID = 0;
uint64_t scriptComponentUUID = 0;
bool operator==(const ScriptInstanceKey& other) const {
return gameObjectUUID == other.gameObjectUUID
&& scriptComponentUUID == other.scriptComponentUUID;
}
};
struct ScriptInstanceKeyHasher {
size_t operator()(const ScriptInstanceKey& key) const;
};
struct ScriptInstanceState {
ScriptRuntimeContext context;
bool instanceCreated = false;
bool awakeCalled = false;
bool enabled = false;
bool startCalled = false;
bool startPending = false;
};
ScriptEngine() = default;
void CollectScriptComponents(Components::GameObject* gameObject);
ScriptInstanceState* TrackScriptComponent(ScriptComponent* component);
ScriptInstanceState* FindState(const ScriptComponent* component);
const ScriptInstanceState* FindState(const ScriptComponent* component) const;
void RemoveTrackedScriptComponent(const ScriptComponent* component);
bool ShouldScriptRun(const ScriptInstanceState& state) const;
bool EnsureScriptReady(ScriptInstanceState& state, bool invokeEnableIfNeeded);
void InvokeLifecycleMethod(ScriptInstanceState& state, ScriptLifecycleMethod method, float deltaTime = 0.0f);
void StopTrackingScript(ScriptInstanceState& state, bool runtimeStopping);
NullScriptRuntime m_nullRuntime;
IScriptRuntime* m_runtime = &m_nullRuntime;
Components::Scene* m_runtimeScene = nullptr;
bool m_runtimeRunning = false;
std::unordered_map<ScriptInstanceKey, ScriptInstanceState, ScriptInstanceKeyHasher> m_scriptStates;
std::vector<ScriptInstanceKey> m_scriptOrder;
};
} // namespace Scripting
} // namespace XCEngine