45 lines
1.4 KiB
Lua
45 lines
1.4 KiB
Lua
local particle_nodes = {}
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mcl_particles = {}
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-- Node particles can be disabled via setting
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local node_particles_allowed = minetest.settings:get_bool("mcl_node_particles", true)
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-- Add a particlespawner that is assigned to a given node position.
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-- * pos: Node positon. MUST use rounded values!
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-- * particlespawner_definition: definition for minetest.add_particlespawner
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-- NOTE: All particlespawners are automatically removed on shutdown.
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-- Returns particlespawner ID on succcess and nil on failure
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function mcl_particles.add_node_particlespawner(pos, particlespawner_definition)
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if not node_particles_allowed then
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return
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end
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local poshash = minetest.hash_node_position(pos)
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if not poshash then
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return
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end
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local id = minetest.add_particlespawner(particlespawner_definition)
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if id == -1 then
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return
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end
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particle_nodes[poshash] = id
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return id
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end
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-- Deleted a particlespawner that is assigned to a node position, if one exists.
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-- Otherwise, this does nothing.
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-- pos: Node positon. MUST use rounded values!
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-- Returns true if particlespawner could be removed and false if none existed
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function mcl_particles.delete_node_particlespawner(pos)
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if not node_particles_allowed then
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return false
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end
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local poshash = minetest.hash_node_position(pos)
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local id = particle_nodes[poshash]
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if id then
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minetest.delete_particlespawner(id)
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return true
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end
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return false
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end
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