111 lines
4.3 KiB
Lua
111 lines
4.3 KiB
Lua
local function speed_check(vec, limit)
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local v = vector.apply(vec, math.abs)
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local l = limit
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if v.x >= l then return false
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elseif v.y >= l then return false
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elseif v.z >= l then return false end
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return true
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end
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minetest.register_entity("fl_trains:train_engine", {
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--mte object properties
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initial_properties = {
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physical = true,
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--stepheight = 0.4,
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collide_with_objects = true,
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collisionbox = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
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visual = "mesh",
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mesh = "farlands_train_engine.obj",
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textures = {
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"farlands_train_engine.png",
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},
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backface_culling = false,
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visual_size = {x=10, y=10, z=10},
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static_save = true,
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damage_texture_modifier = "^[colorize:#FF000040"
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},
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--on_step = mobkit.stepfunc, --this is required
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on_activate = function(self, staticdata, dtime_s)
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--load memory
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local sdata = minetest.deserialize(staticdata)
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if sdata then
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for k,v in pairs(sdata) do
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self[k] = v
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end
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end
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if not self.memory then self.memory = {} end
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--other stuff
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end,
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get_staticdata = function(self)
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local tmp = {memory = self.memory}
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return minetest.serialize(tmp)
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end,
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on_step = function(self, dtime, moveresult)
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local yaw = tonumber(string.format("%.2f", self.object:get_yaw()))
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local dir = vector.round(minetest.yaw_to_dir(yaw))
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local pos = self.object:get_pos()
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local pos2 = vector.add(dir, pos)
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local node = minetest.get_node_or_nil(pos2)
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if not node then self.object:set_velocity(vector.new(0,0,0)) return end
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if node.name ~= "fl_trains:straight_track" then
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self.object:set_velocity(vector.new(0,0,0))
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return
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end
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local vel = self.object:get_velocity()
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local player
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if self.memory.driver then player = minetest.get_player_by_name(self.memory.driver) end
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if not player then return end
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if player:get_player_control().up and speed_check(vel, 5) then
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self.object:add_velocity(vector.multiply(dir, 0.2))
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elseif player:get_player_control().down and speed_check(vel, 5) then
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--track always looks engine forwards, fix me
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self.object:add_velocity(vector.multiply(dir, -0.2))
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end
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end,
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on_punch = function(self, puncher, time_from_last_punch, tool_capabilities, dir)
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self.object:remove()
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end,
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on_rightclick=function(self, clicker)
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if #self.object:get_children() > 0 then
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for _, obj in pairs(self.object:get_children()) do
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if obj:is_player() and obj:get_player_name() == self.memory.driver then
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obj:set_detach()
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obj:set_properties({visual_size = vector.new(1,1,1)})
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fl_player.ignore[obj:get_player_name()] = nil
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obj:set_eye_offset(vector.new(0,0,0), vector.new(0,0,0))
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self.memory.driver = nil
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end
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end
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else
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clicker:set_attach(self.object, "", vector.new(0,-0.49,0.45), vector.new(0,0,0), true)
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clicker:set_properties({visual_size = vector.new(.075,.075,.075)})
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fl_player.ignore[clicker:get_player_name()] = true
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clicker:set_animation(fl_player.animations["sit"], 15)
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clicker:set_eye_offset(vector.new(0,-13,5.5), vector.new(0,-13,5.5))
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self.memory.driver = clicker:get_player_name()
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end
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end,
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})
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minetest.register_craftitem("fl_trains:train_engine", {
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description = "train_engine",
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inventory_image = "farlands_cart_item.png",
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wield_image = "farlands_cart_item.png",
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on_place = function(itemstack, placer, pointed_thing)
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if pointed_thing.type ~= "node" then return end
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local node = minetest.get_node_or_nil(pointed_thing.under)
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if string.find(node.name, "fl_trains") then
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local ent = minetest.add_entity(pointed_thing.under, "fl_trains:train_engine")
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if node.name == "fl_trains:straight_track" and node.param2%2 ~= 0 then
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ent:set_rotation(vector.new(0,90*(math.pi/180),0))
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minetest.chat_send_all(ent:get_yaw())
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end
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end
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end,
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groups = {not_in_creative_inventory = 1}
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}) |