Added particles first implementation

Former-commit-id: 2b98ce2f007927690bdecd4092e211013bf568cb
2014-08-08 17:17:58 +02:00
parent 4acd61cf30
commit e9267d7f43
16 changed files with 1071 additions and 4 deletions
--- a/include/Nazara/Graphics/ParticleEmitter.hpp
+++ b/include/Nazara/Graphics/ParticleEmitter.hpp
@@ -0,0 +1,91 @@
+// Copyright (C) 2014 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Graphics module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_PARTICLEEMITTER_HPP
+#define NAZARA_PARTICLEEMITTER_HPP
+
+#include <Nazara/Prerequesites.hpp>
+#include <Nazara/Core/Updatable.hpp>
+#include <Nazara/Graphics/ParticleController.hpp>
+#include <Nazara/Graphics/ParticleDeclaration.hpp>
+#include <Nazara/Graphics/ParticleGenerator.hpp>
+#include <Nazara/Graphics/ParticleRenderer.hpp>
+#include <Nazara/Graphics/SceneNode.hpp>
+#include <Nazara/Math/BoundingVolume.hpp>
+#include <memory>
+#include <set>
+#include <vector>
+
+class NAZARA_API NzParticleEmitter : public NzSceneNode, NzUpdatable
+{
+	public:
+		NzParticleEmitter(unsigned int maxParticleCount, nzParticleLayout layout);
+		NzParticleEmitter(unsigned int maxParticleCount, NzParticleDeclaration* declaration);
+		NzParticleEmitter(const NzParticleEmitter& emitter);
+		NzParticleEmitter(NzParticleEmitter&& emitter) = default;
+		~NzParticleEmitter();
+
+		void AddController(NzParticleController* controller);
+		void AddGenerator(NzParticleGenerator* generator);
+		void AddToRenderQueue(NzAbstractRenderQueue* renderQueue) const;
+
+		void* CreateParticle();
+		void* CreateParticles(unsigned int count);
+
+		void* GenerateParticle();
+		void* GenerateParticles(unsigned int count);
+
+		const NzBoundingVolumef& GetBoundingVolume() const override;
+
+		unsigned int GetEmissionCount() const;
+		float GetEmissionRate() const;
+		unsigned int GetMaxParticleCount() const;
+		unsigned int GetParticleCount() const;
+		unsigned int GetParticleSize() const;
+
+		nzSceneNodeType GetSceneNodeType() const override;
+
+		bool IsDrawable() const;
+
+		void KillParticle(unsigned int index);
+		void KillParticles();
+
+		void RemoveController(NzParticleController* controller);
+		void RemoveGenerator(NzParticleGenerator* generator);
+
+		void SetEmissionCount(unsigned int count);
+		void SetEmissionRate(float rate);
+		void SetRenderer(NzParticleRenderer* renderer);
+
+		NzParticleEmitter& operator=(const NzParticleEmitter& emitter);
+		NzParticleEmitter& operator=(NzParticleEmitter&& emitter);
+
+	private:
+		void GenerateAABB() const;
+		void Register() override;
+		void ResizeBuffer();
+		void Unregister() override;
+		void UpdateBoundingVolume() const;
+		void Update() override;
+
+		std::set<unsigned int, std::greater<unsigned int>> m_dyingParticles;
+		mutable std::vector<nzUInt8> m_buffer;
+		std::vector<NzParticleControllerRef> m_controllers;
+		std::vector<NzParticleGeneratorRef> m_generators;
+		mutable NzBoundingVolumef m_boundingVolume;
+		NzParticleDeclarationConstRef m_declaration;
+		NzParticleRendererRef m_renderer;
+		mutable bool m_boundingVolumeUpdated;
+		bool m_processing;
+		float m_emissionAccumulator;
+		float m_emissionRate;
+		unsigned int m_emissionCount;
+		unsigned int m_maxParticleCount;
+		unsigned int m_particleCount;
+		unsigned int m_particleSize;
+};
+
+#endif // NAZARA_PARTICLEEMITTER_HPP