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gravityuse.lua

@@ -0,0 +1,153 @@
+-- Code by UjEdwin
+
+portalgun_power={}
+portalgun_power_tmp_power=0
+
+function portalgun_gravity(itemstack, user, pointed_thing)
+	local ob=pointed_thing.ref
+	if ob:get_luaentity() and ob:get_luaentity().portalgun_power then
+	ob:get_luaentity().target:set_detach()
+	if ob:get_luaentity().target:get_luaentity() and (ob:get_luaentity().target:get_luaentity().itemstring or ob:get_luaentity().target:get_luaentity().wsc) then
+		ob:get_luaentity().target:set_velocity({x=0, y=-1, z=0})
+		ob:get_luaentity().target:set_acceleration({x=0, y=-8, z=0})
+	end
+	return  itemstack
+	end
+	if not ob:get_attach() and (ob:is_player() or (ob:get_luaentity() and ob:get_luaentity().powerball~=1)) then
+		portalgun_power.user=user
+		portalgun_power.target=ob
+		if ob:is_player() then portalgun_power.player=1 end
+		local m=minetest.add_entity(ob:get_pos(), "portalgun:power")
+		ob:set_attach(m, "", {x=0,y=0,z=0}, {x=0,y=0,z=0})
+		return  itemstack
+	end
+	return itemstack
+end
+
+minetest.register_entity("portalgun:power",{
+	hp_max = 100,
+	physical = false,
+	weight = 0,
+	collisionbox = {-0.2,-0.2,-0.2, 0.2,0.2,0.2},
+	visual = "sprite",
+	visual_size = {x=1, y=1},
+	textures = {"portalgun_gravity.png"},
+	spritediv = {x=1, y=1},
+	is_visible = true,
+	makes_footstep_sound = false,
+	automatic_rotate = false,
+	timer=0,
+	time=0.1,
+	portalgun_power=1,
+	portalgun=1,
+	lifelime=100,
+on_activate=function(self, staticdata)
+		if portalgun_power.user then
+			self.user=portalgun_power.user
+			self.target=portalgun_power.target
+			self.player=portalgun_power.player
+			portalgun_power={}
+		else
+			self.object:remove()
+		end
+	end,
+on_punch=function(self, puncher, time_from_last_punch, tool_capabilities, dir)
+		if self.target and self.target:get_attach() then
+			self.target:set_detach()
+			self.target:set_hp(0)
+			self.target:punch(self.object, {full_punch_interval=1.0,damage_groups={fleshy=4}}, "default:bronze_pick", nil)
+		end
+
+end,
+on_step= function(self, dtime)
+		self.timer=self.timer+dtime
+		if self.timer<self.time then return self end
+		self.timer=0
+		if self.target==nil or (not self.target:get_attach()) then
+			self.object:set_hp(0)
+			self.object:punch(self.object, {full_punch_interval=1.0,damage_groups={fleshy=4}}, "default:bronze_pick", nil)
+			if self.sound then minetest.sound_stop(self.sound) end
+		end
+		if self.player then
+			self.lifelime=self.lifelime-1
+			if self.lifelime<0 then
+				self.target:set_detach()
+				return self
+			end
+		end
+		local pos = self.user:get_pos()
+		if pos==nil then return self end
+		pos.y=pos.y+1.6
+		local dir = self.user:get_look_dir()
+		local npos={x=pos.x+(dir.x*2), y=pos.y+(dir.y*2), z=pos.z+(dir.z*2)}
+		if minetest.registered_nodes[minetest.get_node(npos).name].walkable then
+			return self
+		end
+		self.object:move_to(npos)
+		return self
+	end,
+})
+
+minetest.register_entity("portalgun:power2",{
+	hp_max = 100,
+	physical = true,
+	weight = 10,
+	collisionbox = {-0.35,0,-0.35, 0.35,1,0.35},
+	visual = "sprite",
+	visual_size = {x=1, y=1},
+	textures = {"portalgun_gravity.png"},
+	spritediv = {x=1, y=1},
+	is_visible = true,
+	makes_footstep_sound = false,
+	automatic_rotate = false,
+	timer=0,
+	time=0.025,
+	portalgun_power=1,
+	portalgun=1,
+	lifelime=1000,
+	v=0.3,
+	ltime=0,
+on_activate=function(self, staticdata)
+		if portalgun_power.user then
+			self.user=portalgun_power.user
+			self.target=portalgun_power.target
+			self.ltime=portalgun_power_tmp_power
+			portalgun_power={}
+		else
+			self.object:remove()
+		end
+	end,
+on_step= function(self, dtime)
+		local pos=self.object:get_pos()
+		local v=self.object:get_velocity()
+		local v2={x=v.x-self.v,y=(v.y-self.v)*0.99,z=v.z-self.v}
+
+		if v2.x<0.5 and v2.x>-0.5 then v2.x=0 end
+		if v2.y<0.5 and v2.y>-0.5 then v2.y=0 end
+		if v2.z<0.5 and v2.z>-0.5 then v2.z=0 end
+
+		self.object:set_velocity(v2)
+		self.ltime=self.ltime-self.v
+
+		if self.ltime<self.v or (v2.x+v2.y+v2.z==0) then
+			self.lifelime=-1
+		end
+
+		local nexpos={x=pos.x+(v.x*0.05),y=pos.y+(v.y*0.05)+1,z=pos.z+(v.z*0.05)}
+		if minetest.registered_nodes[minetest.get_node(nexpos).name].walkable then
+			self.lifelime=-1
+		end
+
+		self.lifelime=self.lifelime-1
+		if self.lifelime<0 then
+			self.target:set_detach()
+		end
+
+		if self.target==nil or (not self.target:get_attach()) then
+			self.object:set_hp(0)
+			self.object:punch(self.object, {full_punch_interval=1.0,damage_groups={fleshy=4}}, "default:bronze_pick", nil)
+			return self
+		end
+		return self
+	end,
+})