92 lines
3.0 KiB
C++
92 lines
3.0 KiB
C++
// Copyright (C) 2014 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Graphics module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NAZARA_PARTICLESYSTEM_HPP
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#define NAZARA_PARTICLESYSTEM_HPP
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#include <Nazara/Prerequesites.hpp>
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#include <Nazara/Core/Updatable.hpp>
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#include <Nazara/Graphics/ParticleController.hpp>
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#include <Nazara/Graphics/ParticleDeclaration.hpp>
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#include <Nazara/Graphics/ParticleEmitter.hpp>
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#include <Nazara/Graphics/ParticleGenerator.hpp>
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#include <Nazara/Graphics/ParticleRenderer.hpp>
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#include <Nazara/Graphics/SceneNode.hpp>
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#include <Nazara/Math/BoundingVolume.hpp>
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#include <memory>
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#include <set>
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#include <vector>
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class NAZARA_API NzParticleSystem : public NzSceneNode, NzUpdatable
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{
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public:
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NzParticleSystem(unsigned int maxParticleCount, nzParticleLayout layout);
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NzParticleSystem(unsigned int maxParticleCount, const NzParticleDeclaration* declaration);
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NzParticleSystem(const NzParticleSystem& emitter);
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~NzParticleSystem();
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void AddController(NzParticleController* controller);
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void AddEmitter(NzParticleEmitter* emitter);
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void AddGenerator(NzParticleGenerator* generator);
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void AddToRenderQueue(NzAbstractRenderQueue* renderQueue) const;
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void ApplyControllers(NzParticleMapper& mapper, unsigned int particleCount, float elapsedTime, float& stepAccumulator);
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void* CreateParticle();
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void* CreateParticles(unsigned int count);
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void EnableFixedStep(bool fixedStep);
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void* GenerateParticle();
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void* GenerateParticles(unsigned int count);
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const NzParticleDeclaration* GetDeclaration() const;
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float GetFixedStepSize() const;
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unsigned int GetMaxParticleCount() const;
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unsigned int GetParticleCount() const;
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unsigned int GetParticleSize() const;
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nzSceneNodeType GetSceneNodeType() const override;
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bool IsDrawable() const;
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bool IsFixedStepEnabled() const;
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void KillParticle(unsigned int index);
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void KillParticles();
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void RemoveController(NzParticleController* controller);
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void RemoveEmitter(NzParticleEmitter* emitter);
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void RemoveGenerator(NzParticleGenerator* generator);
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void SetFixedStepSize(float stepSize);
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void SetRenderer(NzParticleRenderer* renderer);
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NzParticleSystem& operator=(const NzParticleSystem& emitter);
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private:
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void MakeBoundingVolume() const override;
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void Register() override;
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void ResizeBuffer();
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void Unregister() override;
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void Update() override;
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std::set<unsigned int, std::greater<unsigned int>> m_dyingParticles;
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mutable std::vector<nzUInt8> m_buffer;
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std::vector<NzParticleControllerRef> m_controllers;
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std::vector<NzParticleEmitter*> m_emitters;
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std::vector<NzParticleGeneratorRef> m_generators;
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NzParticleDeclarationConstRef m_declaration;
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NzParticleRendererRef m_renderer;
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bool m_fixedStepEnabled;
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bool m_processing;
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float m_stepAccumulator;
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float m_stepSize;
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unsigned int m_maxParticleCount;
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unsigned int m_particleCount;
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unsigned int m_particleSize;
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};
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#endif // NAZARA_PARTICLESYSTEM_HPP
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