1 files changed, 59 insertions, 11 deletions

diff --git a/src/client/particles.h b/src/client/particles.h
index 2011f0262..36be903f1 100644
--- a/src/client/particles.h
+++ b/src/client/particles.h
@@ -31,20 +31,53 @@ class ClientEnvironment;
 struct MapNode;
 struct ContentFeatures;
 
+struct ClientTexture
+{
+	/* per-spawner structure used to store the ParticleTexture structs
+	 * that spawned particles will refer to through ClientTexRef */
+	ParticleTexture tex;
+	video::ITexture *ref = nullptr;
+
+	ClientTexture() = default;
+	ClientTexture(const ClientTexture&) = default;
+	ClientTexture(const ServerParticleTexture& p, ITextureSource *t):
+			tex(p),
+			ref(t->getTextureForMesh(p.string)) {};
+};
+
+struct ClientTexRef
+{
+	/* per-particle structure used to avoid massively duplicating the
+	 * fairly large ParticleTexture struct */
+	ParticleTexture* tex = nullptr;
+	video::ITexture* ref = nullptr;
+	ClientTexRef() = default;
+	ClientTexRef(const ClientTexRef&) = default;
+
+	/* constructor used by particles spawned from a spawner */
+	ClientTexRef(ClientTexture& t):
+			tex(&t.tex), ref(t.ref) {};
+
+	/* constructor used for node particles */
+	ClientTexRef(decltype(ref) tp): ref(tp) {};
+};
+
+class ParticleSpawner;
+
 class Particle : public scene::ISceneNode
 {
-	public:
+public:
 	Particle(
-		IGameDef* gamedef,
+		IGameDef *gamedef,
 		LocalPlayer *player,
 		ClientEnvironment *env,
 		const ParticleParameters &p,
-		video::ITexture *texture,
+		const ClientTexRef &texture,
 		v2f texpos,
 		v2f texsize,
 		video::SColor color
 	);
-	~Particle() = default;
+	~Particle();
 
 	virtual const aabb3f &getBoundingBox() const
 	{
@@ -69,9 +102,12 @@ class Particle : public scene::ISceneNode
 	bool get_expired ()
 	{ return m_expiration < m_time; }
 
+	ParticleSpawner *m_parent;
+
 private:
 	void updateLight();
 	void updateVertices();
+	void setVertexAlpha(float a);
 
 	video::S3DVertex m_vertices[4];
 	float m_time = 0.0f;
@@ -81,14 +117,19 @@ private:
 	IGameDef *m_gamedef;
 	aabb3f m_box;
 	aabb3f m_collisionbox;
+	ClientTexRef m_texture;
 	video::SMaterial m_material;
 	v2f m_texpos;
 	v2f m_texsize;
 	v3f m_pos;
 	v3f m_velocity;
 	v3f m_acceleration;
+	v3f m_drag;
+	ParticleParamTypes::v3fRange m_jitter;
+	ParticleParamTypes::f32Range m_bounce;
 	LocalPlayer *m_player;
 	float m_size;
+
 	//! Color without lighting
 	video::SColor m_base_color;
 	//! Final rendered color
@@ -102,24 +143,27 @@ private:
 	float m_animation_time = 0.0f;
 	int m_animation_frame = 0;
 	u8 m_glow;
+	float m_alpha = 0.0f;
 };
 
 class ParticleSpawner
 {
 public:
-	ParticleSpawner(IGameDef* gamedef,
+	ParticleSpawner(IGameDef *gamedef,
 		LocalPlayer *player,
 		const ParticleSpawnerParameters &p,
 		u16 attached_id,
-		video::ITexture *texture,
+		std::unique_ptr<ClientTexture[]> &texpool,
+		size_t texcount,
 		ParticleManager* p_manager);
 
-	~ParticleSpawner() = default;
-
 	void step(float dtime, ClientEnvironment *env);
 
-	bool get_expired ()
-	{ return p.amount <= 0 && p.time != 0; }
+	size_t m_active;
+
+	bool getExpired() const
+	{ return m_dying || (p.amount <= 0 && p.time != 0); }
+	void setDying() { m_dying = true; }
 
 private:
 	void spawnParticle(ClientEnvironment *env, float radius,
@@ -127,10 +171,12 @@ private:
 
 	ParticleManager *m_particlemanager;
 	float m_time;
+	bool m_dying;
 	IGameDef *m_gamedef;
 	LocalPlayer *m_player;
 	ParticleSpawnerParameters p;
-	video::ITexture *m_texture;
+	std::unique_ptr<ClientTexture[]> m_texpool;
+	size_t m_texcount;
 	std::vector<float> m_spawntimes;
 	u16 m_attached_id;
 };
@@ -156,6 +202,8 @@ public:
 	void addNodeParticle(IGameDef *gamedef, LocalPlayer *player, v3s16 pos,
 		const MapNode &n, const ContentFeatures &f);
 
+	void reserveParticleSpace(size_t max_estimate);
+
 	/**
 	 * This function is only used by client particle spawners
 	 *