From e1ff5b13619666e5b987ecf4faaf294400ffd979 Mon Sep 17 00:00:00 2001
From: Jeija <norrepli@gmail.com>
Date: Wed, 23 Jan 2013 18:32:02 +0100
Subject: Allow spawning particles from the server, from lua

Spawn single particles or make use of ParticleSpawner for many randomly spawned particles.
Accessible in Lua using minetest.spawn_particle and minetest.add_particlespawner.
Increase Protocol Version to 17.

Conflicts:
	src/clientserver.h
---
 src/particles.h | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 68 insertions(+), 4 deletions(-)

(limited to 'src/particles.h')

diff --git a/src/particles.h b/src/particles.h
index b317549e7..308da551f 100644
--- a/src/particles.h
+++ b/src/particles.h
@@ -35,12 +35,13 @@ class Particle : public scene::ISceneNode
 		IGameDef* gamedef,
 		scene::ISceneManager* mgr,
 		LocalPlayer *player,
-		s32 id,
+		ClientEnvironment &env,
 		v3f pos,
 		v3f velocity,
 		v3f acceleration,
 		float expirationtime,
 		float size,
+		bool collisiondetection,
 		AtlasPointer texture
 	);
 	~Particle();
@@ -69,6 +70,10 @@ class Particle : public scene::ISceneNode
 	{ return m_expiration < m_time; }
 
 private:
+	void updateLight(ClientEnvironment &env);
+	void updateVertices();
+
+	video::S3DVertex m_vertices[4];
 	float m_time;
 	float m_expiration;
 
@@ -87,12 +92,71 @@ private:
 	float m_size;
 	AtlasPointer m_ap;
 	u8 m_light;
+	bool m_collisiondetection;
+};
+
+class ParticleSpawner
+{
+	public:
+	ParticleSpawner(IGameDef* gamedef,
+		scene::ISceneManager *smgr,
+		LocalPlayer *player,
+		u16 amount,
+		float time,
+		v3f minp, v3f maxp,
+		v3f minvel, v3f maxvel,
+		v3f minacc, v3f maxacc,
+		float minexptime, float maxexptime,
+		float minsize, float maxsize,
+		bool collisiondetection,
+		AtlasPointer ap,
+		u32 id);
+
+	~ParticleSpawner();
+
+	void step(float dtime, ClientEnvironment &env);
+
+	bool get_expired ()
+	{ return (m_amount <= 0) && m_spawntime != 0; }
+
+	private:
+	float m_time;
+	IGameDef *m_gamedef;
+	scene::ISceneManager *m_smgr;
+	LocalPlayer *m_player;
+	u16 m_amount;
+	float m_spawntime;
+	v3f m_minpos;
+	v3f m_maxpos;
+	v3f m_minvel;
+	v3f m_maxvel;
+	v3f m_minacc;
+	v3f m_maxacc;
+	float m_minexptime;
+	float m_maxexptime;
+	float m_minsize;
+	float m_maxsize;
+	AtlasPointer m_ap;
+	std::vector<float> m_spawntimes;
+	bool m_collisiondetection;
 };
 
 void allparticles_step (float dtime, ClientEnvironment &env);
+void allparticlespawners_step (float dtime, ClientEnvironment &env);
+
+void delete_particlespawner (u32 id);
+void clear_particles ();
+
+void addDiggingParticles(IGameDef* gamedef, scene::ISceneManager* smgr,
+	LocalPlayer *player, ClientEnvironment &env, v3s16 pos,
+	const TileSpec tiles[]);
+
+void addPunchingParticles(IGameDef* gamedef, scene::ISceneManager* smgr,
+	LocalPlayer *player, ClientEnvironment &env, v3s16 pos,
+	const TileSpec tiles[]);
 
-void addDiggingParticles(IGameDef* gamedef, scene::ISceneManager* smgr, LocalPlayer *player, v3s16 pos, const TileSpec tiles[]);
-void addPunchingParticles(IGameDef* gamedef, scene::ISceneManager* smgr, LocalPlayer *player, v3s16 pos, const TileSpec tiles[]);
-void addNodeParticle(IGameDef* gamedef, scene::ISceneManager* smgr, LocalPlayer *player, v3s16 pos, const TileSpec tiles[]);
+void addNodeParticle(IGameDef* gamedef, scene::ISceneManager* smgr,
+	LocalPlayer *player, ClientEnvironment &env, v3s16 pos,
+	const TileSpec tiles[]);
 
 #endif
-- 
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