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CosmicEngine/lib/All/JoltPhysics/Samples/Tests/General/MultithreadedTest.h

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// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
// SPDX-FileCopyrightText: 2021 Jorrit Rouwe
// SPDX-License-Identifier: MIT
#pragma once
#include <Tests/Test.h>
class MultithreadedTest : public Test
{
public:
JPH_DECLARE_RTTI_VIRTUAL(JPH_NO_EXPORT, MultithreadedTest)
// Description of the test
virtual const char * GetDescription() const override
{
return "This test spawns boxes and ragdolls and performs ray cast tests from threads / jobs to see if the simulation is thread safe.";
}
// Destructor
virtual ~MultithreadedTest() override;
// Number used to scale the terrain and camera movement to the scene
virtual float GetWorldScale() const override { return 0.2f; }
// Initialization
virtual void Initialize() override;
// Test will never be deterministic since various threads are trying to concurrently add / remove bodies
virtual bool IsDeterministic() const override { return false; }
private:
// Execute a lambda either on this thread or in a separate job
void Execute(default_random_engine &ioRandom, const char *inName, function<void()> inFunction);
// Thread main function that spawns boxes
void BoxSpawner();
// Thread main function that spawns ragdolls
void RagdollSpawner();
// Thread main function that casts rays
void CasterMain();
thread mBoxSpawnerThread;
thread mRagdollSpawnerThread;
thread mCasterThread;
atomic<bool> mIsQuitting = false;
};