Fix and tune things, add tool "recharge" animation, add dummyball

data/mods/experimental/init.lua

@@ -374,6 +374,51 @@ minetest.register_entity("experimental:tnt", TNT)
 -- Add TNT's old name also
 minetest.register_alias("TNT", "experimental:tnt")
 
+--
+-- The dummyball!
+--
+
+minetest.register_alias("dummyball", "experimental:dummyball")
+
+minetest.register_entity("experimental:dummyball", {
+	-- Static definition
+	physical = false,
+	collisionbox = {-0.4,-0.4,-0.4, 0.4,0.4,0.4},
+	visual = "sprite",
+	visual_size = {x=1, y=1},
+	textures = {"experimental_dummyball.png"},
+	spritediv = {x=1, y=3},
+	initial_sprite_basepos = {x=0, y=0},
+	-- Dynamic variables
+	phase = 0,
+	phasetimer = 0,
+
+	on_activate = function(self, staticdata)
+		minetest.log("Dummyball activated!")
+	end,
+
+	on_step = function(self, dtime)
+		self.phasetimer = self.phasetimer + dtime
+		if self.phasetimer > 2.0 then
+			self.phasetimer = self.phasetimer - 2.0
+			self.phase = self.phase + 1
+			if self.phase >= 3 then
+				self.phase = 0
+			end
+			self.object:setsprite({x=0, y=self.phase})
+			phasearmor = {
+				[0]={cracky=3},
+				[1]={crumbly=3},
+				[2]={fleshy=3}
+			}
+			self.object:set_armor_groups(phasearmor[self.phase])
+		end
+	end,
+
+	on_punch = function(self, hitter)
+	end,
+})
+
 --
 -- A test entity for testing animated and yaw-modulated sprites
 --