Revert CSM particles commit to fix particle spawner bug for 5.0.0 (#8288

)

Reverts 5dab742
"[CSM] Add functions to create particles and particlespawners."

build/android/jni/Android.mk

@@ -353,7 +353,6 @@ LOCAL_SRC_FILES += \
 		jni/src/script/lua_api/l_object.cpp       \
 		jni/src/script/lua_api/l_playermeta.cpp   \
 		jni/src/script/lua_api/l_particles.cpp    \
-		jni/src/script/lua_api/l_particles_local.cpp\
 		jni/src/script/lua_api/l_rollback.cpp     \
 		jni/src/script/lua_api/l_server.cpp       \
 		jni/src/script/lua_api/l_settings.cpp     \

doc/client_lua_api.txt

@@ -789,16 +789,6 @@ Call these functions only at load time!
       should listen from incoming messages with `minetest.register_on_modchannel_message`
       call to receive incoming messages. Warning, this function is asynchronous.
 
-### Particles
-* `minetest.add_particle(particle definition)`
-
-* `minetest.add_particlespawner(particlespawner definition)`
-    * Add a `ParticleSpawner`, an object that spawns an amount of particles over `time` seconds
-    * Returns an `id`, and -1 if adding didn't succeed
-
-* `minetest.delete_particlespawner(id)`
-    * Delete `ParticleSpawner` with `id` (return value from `minetest.add_particlespawner`)
-
 ### Misc.
 * `minetest.parse_json(string[, nullvalue])`: returns something
     * Convert a string containing JSON data into the Lua equivalent
@@ -1318,58 +1308,3 @@ Displays distance to selected world position.
 * `text`: Distance suffix. Can be blank.
 * `number:` An integer containing the RGB value of the color used to draw the text.
 * `world_pos`: World position of the waypoint.
-
-### Particle definition (`add_particle`)
-
-    {
-        pos = {x=0, y=0, z=0},
-        velocity = {x=0, y=0, z=0},
-        acceleration = {x=0, y=0, z=0},
-    --  ^ Spawn particle at pos with velocity and acceleration
-        expirationtime = 1,
-    --  ^ Disappears after expirationtime seconds
-        size = 1,
-        collisiondetection = false,
-    --  ^ collisiondetection: if true collides with physical objects
-        collision_removal = false,
-    --  ^ collision_removal: if true then particle is removed when it collides,
-    --  ^ requires collisiondetection = true to have any effect
-        vertical = false,
-    --  ^ vertical: if true faces player using y axis only
-        texture = "image.png",
-    --  ^ Uses texture (string)
-        animation = {Tile Animation definition},
-    --  ^ optional, specifies how to animate the particle texture
-        glow = 0
-    --  ^ optional, specify particle self-luminescence in darkness
-    }
-
-### `ParticleSpawner` definition (`add_particlespawner`)
-
-    {
-        amount = 1,
-        time = 1,
-    --  ^ If time is 0 has infinite lifespan and spawns the amount on a per-second base
-        minpos = {x=0, y=0, z=0},
-        maxpos = {x=0, y=0, z=0},
-        minvel = {x=0, y=0, z=0},
-        maxvel = {x=0, y=0, z=0},
-        minacc = {x=0, y=0, z=0},
-        maxacc = {x=0, y=0, z=0},
-        minexptime = 1,
-        maxexptime = 1,
-        minsize = 1,
-        maxsize = 1,
-    --  ^ The particle's properties are random values in between the bounds:
-    --  ^ minpos/maxpos, minvel/maxvel (velocity), minacc/maxacc (acceleration),
-    --  ^ minsize/maxsize, minexptime/maxexptime (expirationtime)
-        collisiondetection = false,
-    --  ^ collisiondetection: if true uses collision detection
-        collision_removal = false,
-    --  ^ collision_removal: if true then particle is removed when it collides,
-    --  ^ requires collisiondetection = true to have any effect
-        vertical = false,
-    --  ^ vertical: if true faces player using y axis only
-        texture = "image.png",
-    --  ^ Uses texture (string)
-    }

src/client/client.h

@@ -565,10 +565,8 @@ class Client : public con::PeerHandler, public InventoryManager, public IGameDef
 	// And relations to objects
 	std::unordered_map<int, u16> m_sounds_to_objects;
 
-	// CSM/client IDs to SSM/server IDs Mapping
-	// Map server particle spawner IDs to client IDs
-	std::unordered_map<u32, u32> m_particles_server_to_client;
-	// Map server hud ids to client hud ids
+	// HUD
+	// Mapping from server hud ids to internal hud ids
 	std::unordered_map<u32, u32> m_hud_server_to_client;
 
 	// Privileges

src/client/particles.h

@@ -196,14 +196,6 @@ friend class ParticleSpawner;
 	void addNodeParticle(IGameDef *gamedef, LocalPlayer *player, v3s16 pos,
 		const MapNode &n, const ContentFeatures &f);
 
-	u32 getSpawnerId() const
-	{
-		for (u32 id = 0;; ++id) { // look for unused particlespawner id
-	 		if (m_particle_spawners.find(id) == m_particle_spawners.end())
-	 			return id;
-	 	}
-	}
-
 protected:
 	void addParticle(Particle* toadd);
 

src/network/clientpackethandler.cpp

@@ -977,15 +977,15 @@ void Client::handleCommand_AddParticleSpawner(NetworkPacket* pkt)
 	float minsize;
 	float maxsize;
 	bool collisiondetection;
-	u32 server_id;
+	u32 id;
 
 	*pkt >> amount >> spawntime >> minpos >> maxpos >> minvel >> maxvel
 		>> minacc >> maxacc >> minexptime >> maxexptime >> minsize
 		>> maxsize >> collisiondetection;
 
 	std::string texture = pkt->readLongString();
 
-	*pkt >> server_id;
+	*pkt >> id;
 
 	bool vertical          = false;
 	bool collision_removal = false;
@@ -1007,9 +1007,6 @@ void Client::handleCommand_AddParticleSpawner(NetworkPacket* pkt)
 		object_collision = readU8(is);
 	} catch (...) {}
 
-	u32 client_id = m_particle_manager.getSpawnerId();
-	m_particles_server_to_client[server_id] = client_id;
-
 	ClientEvent *event = new ClientEvent();
 	event->type                                   = CE_ADD_PARTICLESPAWNER;
 	event->add_particlespawner.amount             = amount;
@@ -1030,7 +1027,7 @@ void Client::handleCommand_AddParticleSpawner(NetworkPacket* pkt)
 	event->add_particlespawner.attached_id        = attached_id;
 	event->add_particlespawner.vertical           = vertical;
 	event->add_particlespawner.texture            = new std::string(texture);
-	event->add_particlespawner.id                 = client_id;
+	event->add_particlespawner.id                 = id;
 	event->add_particlespawner.animation          = animation;
 	event->add_particlespawner.glow               = glow;
 
@@ -1040,19 +1037,12 @@ void Client::handleCommand_AddParticleSpawner(NetworkPacket* pkt)
 
 void Client::handleCommand_DeleteParticleSpawner(NetworkPacket* pkt)
 {
-	u32 server_id;
-	*pkt >> server_id;
-
-	u32 client_id;
-	auto i = m_particles_server_to_client.find(server_id);
-	if (i != m_particles_server_to_client.end())
-		client_id = i->second;
-	else
-		return;
+	u32 id;
+	*pkt >> id;
 
 	ClientEvent *event = new ClientEvent();
 	event->type = CE_DELETE_PARTICLESPAWNER;
-	event->delete_particlespawner.id = client_id;
+	event->delete_particlespawner.id = id;
 
 	m_client_event_queue.push(event);
 }

src/script/lua_api/CMakeLists.txt

@@ -31,7 +31,6 @@ set(client_SCRIPT_LUA_API_SRCS
 	${CMAKE_CURRENT_SOURCE_DIR}/l_localplayer.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/l_mainmenu.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/l_minimap.cpp
-	${CMAKE_CURRENT_SOURCE_DIR}/l_particles_local.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/l_sound.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/l_storage.cpp
 	PARENT_SCOPE)