1 files changed, 124 insertions, 0 deletions
diff --git a/init.lua b/init.lua
new file mode 100755
index 0000000..3379076
--- /dev/null
+++ b/init.lua
@@ -0,0 +1,124 @@
+hangglider = {}
+hangglider.use = {}
+
+minetest.register_entity("hangglider:airstopper", { --A one-instant entity that catches the player and slows them down.
+	hp_max = 3,
+	is_visible = false,
+	immortal = true,
+	attach = nil,
+	on_step = function(self, _)
+		if self.object:get_hp() ~= 1 then
+			self.object:set_hp(self.object:get_hp() - 1)
+		else
+			if self.attach then
+				self.attach:set_detach()
+			end
+			self.object:remove()
+		end
+	end
+})
+
+minetest.register_entity("hangglider:glider", {
+	visual = "mesh",
+	visual_size = {x = 12, y = 12},
+	mesh = "glider.obj",
+	immortal = true,
+	static_save = false,
+	textures = {"wool_white.png","default_wood.png"},
+	on_step = function(self, _)
+		local canExist = false
+		if self.object:get_attach() then
+			local player = self.object:get_attach("parent")
+			if player then
+				local pos = player:getpos()
+				if hangglider.use[player:get_player_name()] then
+					if minetest.registered_nodes[minetest.get_node(vector.new(pos.x, pos.y-0.5, pos.z)).name] then
+						if not minetest.registered_nodes[minetest.get_node(vector.new(pos.x, pos.y-0.5, pos.z)).name].walkable then
+							canExist = true
+							if player:get_player_velocity().y > -4.5 and player:get_physics_override().gravity < 0 then
+								player:set_physics_override({
+									gravity = 0.02,
+								})
+							elseif player:get_player_velocity().y < -5 and player:get_physics_override().gravity > 0 then
+								player:set_physics_override({
+									gravity = -0.02,
+								})
+							end
+						end
+					end
+				end
+				if not canExist then
+					player:set_physics_override({
+						gravity = 1,
+						jump = 1,
+					})
+					hangglider.use[player:get_player_name()] = false
+				end
+			end
+		end
+		if not canExist then 
+			self.object:remove() 
+		end
+	end
+})
+
+minetest.register_on_dieplayer(function(player)
+	player:set_physics_override({
+		gravity = 1,
+		jump = 1,
+	})
+	hangglider.use[player:get_player_name()] = false
+end)
+
+
+minetest.register_on_joinplayer(function(player)
+	player:set_physics_override({
+		gravity = 1,
+		jump = 1,
+	})
+	hangglider.use[player:get_player_name()] = false
+end)
+
+minetest.register_on_leaveplayer(function(player)
+	hangglider.use[player:get_player_name()] = nil
+end)
+
+minetest.register_craftitem("hangglider:hangglider", {
+	description = "Glider",
+	inventory_image = "glider_item.png",
+	
+	on_use = function(itemstack, user, pointed_thing)
+		if not user then
+			return
+		end
+		local pos = user:get_pos()
+		if minetest.get_node(pos).name == "air" and not hangglider.use[user:get_player_name()] then --Equip
+			minetest.sound_play("bedsheet", {pos=pos, max_hear_distance = 8, gain = 1.0})
+			user:set_physics_override({
+				gravity = 0.02,
+				jump = 0,
+			})
+			local stopper = minetest.add_entity(pos, "hangglider:airstopper")
+			stopper:get_luaentity().attach = user
+			user:set_attach( stopper, "", {x=0,y=0,z=0}, {x=0,y=0,z=0})
+			hangglider.use[user:get_player_name()] = true
+			minetest.add_entity(user:get_pos(), "hangglider:glider"):set_attach(user, "", {x=0,y=0,z=0}, {x=0,y=0,z=0})
+			
+		elseif hangglider.use[user:get_player_name()] then --Unequip
+			user:set_physics_override({
+				gravity = 1,
+				jump = 1,
+			})
+			hangglider.use[user:get_player_name()] = false
+		end
+	end
+})
+
+minetest.register_craft({
+	output = "hangglider:hangglider",
+	recipe = {
+		{"wool:white", "wool:white", "wool:white"},
+		{"default:stick", "", "default:stick"},
+		{"", "default:stick", ""},
+	}
+})