mirror of https://github.com/APercy/airutils
200 lines
8.2 KiB
Lua
200 lines
8.2 KiB
Lua
local S = airutils.S
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local function attach_entity(self, target_obj, ent, dest_pos, relative_pos, attach_up)
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attach_up = attach_up or false
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if not target_obj then return end
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if self.object then
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if self._vehicle_custom_data then
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local y = 0
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if attach_up == false then
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y = self.initial_properties.collisionbox[2] - ent.initial_properties.collisionbox[2]
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else
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y = (relative_pos.y/10) + ent.initial_properties.collisionbox[5]
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end
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dest_pos.y = dest_pos.y + y
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target_obj:set_pos(dest_pos)
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local ent = target_obj:get_luaentity()
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if ent then
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relative_pos.y = y*10
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target_obj:set_attach(self.object,'',relative_pos,{x=0,y=0,z=0})
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self._vehicle_custom_data.simple_external_attach_entity = ent.name
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self._vehicle_custom_data.simple_external_attach_pos = relative_pos
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self._vehicle_custom_data.simple_external_attach_invid = ent._inv_id --why?! Because I can identify the target entity by it's inventory ;)
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end
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end
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end
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end
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function airutils.get_attached_entity(self)
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if not self._vehicle_custom_data then return nil, nil end
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if not self._vehicle_custom_data.simple_external_attach_entity then return nil, nil end
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local entity_name = self._vehicle_custom_data.simple_external_attach_entity
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local inv_id = self._vehicle_custom_data.simple_external_attach_invid
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local pos = self.object:get_pos()
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local nearby_objects = minetest.get_objects_inside_radius(pos, 32)
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for i,obj in ipairs(nearby_objects) do
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local ent = obj:get_luaentity()
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if ent then
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if ent._inv_id then
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if ent._inv_id == inv_id then
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return ent, obj
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end
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end
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end
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end
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return nil, nil
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end
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function airutils.dettach_entity(self)
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local ent, obj = airutils.get_attached_entity(self)
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if ent and obj then
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local relative_pos = self._vehicle_custom_data.simple_external_attach_pos
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local pos = self.object:get_pos()
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local rotation = self.object:get_rotation()
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local direction = rotation.y
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local velocity = self.object:get_velocity()
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local move = -1*relative_pos.z/10
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pos.x = pos.x + move * math.sin(direction)
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pos.z = pos.z - move * math.cos(direction)
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pos.y = pos.y + self.initial_properties.collisionbox[2] - ent.initial_properties.collisionbox[2]
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obj:set_detach()
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obj:set_pos(pos)
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obj:set_rotation(rotation)
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obj:set_velocity(velocity)
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--clear
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self._vehicle_custom_data.simple_external_attach_entity = nil
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self._vehicle_custom_data.simple_external_attach_pos = nil
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self._vehicle_custom_data.simple_external_attach_invid = nil
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end
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end
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function airutils.attach_external_object(self, object, ent, destination_pos, relative_pos, attach_up)
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local dest_pos = vector.new(destination_pos)
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local rel_pos = vector.new(relative_pos)
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if attach_up == false then
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rel_pos.y = 0
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end
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dest_pos = vector.add(dest_pos, vector.divide(rel_pos,10))
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attach_entity(self, object, ent, dest_pos, rel_pos, attach_up)
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end
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function airutils.simple_external_attach(self, relative_pos, entity_name, radius, attach_up)
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attach_up = attach_up or false
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radius = radius or 12
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if self.object then
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local curr_ent, curr_obj = airutils.get_attached_entity(self)
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if curr_ent then return end
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local pos = self.object:get_pos()
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local nearby_objects = minetest.get_objects_inside_radius(pos, radius)
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for i,obj in ipairs(nearby_objects) do
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if obj == self.object then
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table.remove(nearby_objects,i)
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end
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local ent = obj:get_luaentity()
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if ent then
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if ent.name == entity_name then
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airutils.attach_external_object(self, nearby_objects[i], ent, pos, relative_pos, attach_up)
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return
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end
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end
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end
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end
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end
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--execute on load
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function airutils.restore_external_attach(self)
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if not self._vehicle_custom_data then return end
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if not self._vehicle_custom_data.simple_external_attach_invid then return end
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local pos = self.object:get_pos()
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local dest_pos = vector.new(pos)
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local entity_name = self._vehicle_custom_data.simple_external_attach_entity
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local relative_pos = self._vehicle_custom_data.simple_external_attach_pos
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local inv_id = self._vehicle_custom_data.simple_external_attach_invid
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dest_pos = vector.add(dest_pos, relative_pos)
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minetest.after(0.3, function()
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local nearby_objects = minetest.get_objects_inside_radius(pos, 32)
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local ent
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for i,obj in ipairs(nearby_objects) do
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ent = obj:get_luaentity()
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if ent then
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--minetest.chat_send_all(dump(ent.name))
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if ent._inv_id then
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--minetest.chat_send_all(">> "..dump(ent._inv_id).." >> "..dump(inv_id))
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if ent._inv_id == inv_id and (not (ent._inv_id == self._inv_id)) then
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--minetest.chat_send_all("++ "..dump(ent._inv_id).." ++ "..dump(inv_id))
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local target_obj = nearby_objects[i]
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target_obj:set_pos(dest_pos)
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target_obj:set_attach(self.object,'',relative_pos,{x=0,y=0,z=0})
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--attach_entity(self, nearby_objects[i], dest_pos, relative_pos, entity_name, inv_id)
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return
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end
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end
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end
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end
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end)
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--clear
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--self._vehicle_custom_data.simple_external_attach_entity = nil
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--self._vehicle_custom_data.simple_external_attach_pos = nil
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--self._vehicle_custom_data.simple_external_attach_invid = nil
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end
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minetest.register_chatcommand("remove_hook", {
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params = "",
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description = S("Dettach current vehicle from another"),
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privs = {interact=true},
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func = function(name, param)
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local colorstring = core.colorize('#ff0000', S(" >>> you are not inside a plane"))
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local player = minetest.get_player_by_name(name)
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local attached_to = player:get_attach()
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if attached_to ~= nil then
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local seat = attached_to:get_attach()
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if seat ~= nil then
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local entity = seat:get_luaentity()
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if entity then
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if entity.on_step == airutils.on_step then
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local rem_obj = entity.object:get_attach()
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if not rem_obj then
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minetest.chat_send_player(name,core.colorize('#ff0000', S(" >>> no hook found")))
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return
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end
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local rem_ent = rem_obj:get_luaentity()
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local pos = rem_ent.object:get_pos()
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local rotation = rem_ent.object:get_rotation()
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local direction = rotation.y
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local velocity = rem_ent.object:get_velocity()
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local move = 0
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if rem_ent._vehicle_custom_data.simple_external_attach_pos then
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move = -1*rem_ent._vehicle_custom_data.simple_external_attach_pos.z/10
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end
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pos.x = pos.x + move * math.sin(direction)
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pos.z = pos.z + move * math.cos(direction)
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pos.y = pos.y + rem_ent.initial_properties.collisionbox[2] - entity.initial_properties.collisionbox[2]
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entity.object:set_detach()
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entity.object:set_pos(pos)
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entity.object:set_rotation(rotation)
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entity.object:set_velocity(velocity)
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--clear
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rem_ent._vehicle_custom_data.simple_external_attach_entity = nil
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rem_ent._vehicle_custom_data.simple_external_attach_pos = nil
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rem_ent._vehicle_custom_data.simple_external_attach_invid = nil
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else
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minetest.chat_send_player(name,colorstring)
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end
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end
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end
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else
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minetest.chat_send_player(name,colorstring)
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end
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end
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})
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