Spawn particles for receiver overload

CREDITS.md

@@ -34,6 +34,7 @@ All levels by Wuzzy.
 - Thatch by Mossmanikin and Neuromancer (CC BY-SA 4.0)
 - Coconut and coconut tree by Neuromancer (CC BY-SA 4.0)
 - Crosshair, wieldhand, `smoke_puff.png`: trivial textures by Wuzzy (CC0)
+- `lzr_laser_overload_smoke.png`: by Wuzzy (CC0)
 - Emitter, detector, dark locked chest textures: Derivate works of xdecor textures by jp (CC0)
 - Mirror textures: by Wuzzy (CC0)
 - Screwdriver texture: by 12Me21 (CC0)

mods/lzr_laser/physics.lua

@@ -1078,9 +1078,22 @@ local function laser_update(pos1, pos2, force_update, clear_first, max_iteration
 						if check_receiver_overload(receiver_id) then
 							-- If the receiver is overloaded in this, we prevent triggering it on again,
 							-- but we allow to shut down one last time.
-							if receiver_active then
+							if not receiver_active then
 								minetest.log("action", "[lzr_laser] Receiver '"..receiver_id.."' shuts down due to recursive re-activation")
-							else
+								-- Add fancy smoke particles at the node that just shut down
+								minetest.add_particlespawner({
+									amount = 8,
+									time = 0.1,
+									minpos = vector.add(rpos, vector.new(-0.4, 0.1, -0.4)),
+									maxpos = vector.add(rpos, vector.new(0.4, 0.45, 0.4)),
+									minvel = vector.new(-0.1, 0.4, -0.1),
+									maxvel = vector.new(0.1, 0.5, 0.1),
+									minsize = 4,
+									maxsize = 5,
+									minexptime = 2,
+									maxexptime = 2.85,
+									texture = "lzr_laser_overload_smoke.png",
+								})
 								return
 							end
 						end