forked from VoxeLibre/VoxeLibre
Implement #1057
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6780031454
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0d2950228a
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@ -1,14 +1,17 @@
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local S = minetest.get_translator("mcl_boats")
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--
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-- Helper functions
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--
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local boat_visual_size = {x = 3, y = 3, z = 3}
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local paddling_speed = 22
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local boat_y_offset = 0.35
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local boat_y_offset_ground = boat_y_offset + 0.6
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local boat_side_offset = 1.001
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local boat_max_hp = 4
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local function is_water(pos)
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local nn = minetest.get_node(pos).name
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return minetest.get_item_group(nn, "water") ~= 0
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end
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local function get_sign(i)
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if i == 0 then
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return 0
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@ -17,26 +20,83 @@ local function get_sign(i)
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end
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end
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local function get_velocity(v, yaw, y)
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local x = -math.sin(yaw) * v
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local z = math.cos(yaw) * v
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return {x = x, y = y, z = z}
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end
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local function get_v(v)
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return math.sqrt(v.x ^ 2 + v.z ^ 2)
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end
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local boat_visual_size = {x = 3, y = 3}
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-- Note: This mod assumes the default player visual_size is {x=1, y=1}
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local driver_visual_size = { x = 1/boat_visual_size.x, y = 1/boat_visual_size.y }
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local paddling_speed = 22
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local boat_y_offset = 0.35
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local boat_y_offset_ground = boat_y_offset + 0.6
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local boat_side_offset = 1.001
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local boat_max_hp = 4
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local function check_object(obj)
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return obj and (obj:is_player() or obj:get_luaentity()) and obj
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end
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local function get_visual_size(obj)
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return obj:is_player() and {x = 1, y = 1, z = 1} or obj:get_luaentity()._old_visual_size or obj:get_properties().visual_size
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end
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local function set_attach(boat)
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boat._driver:set_attach(boat.object, "",
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{x = 0, y = 0.42, z = -1}, {x = 0, y = 0, z = 0})
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end
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local function set_double_attach(boat)
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boat._driver:set_attach(boat.object, "",
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{x = 0, y = 0.42, z = 0.8}, {x = 0, y = 0, z = 0})
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boat._passenger:set_attach(boat.object, "",
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{x = 0, y = 0.42, z = -2.2}, {x = 0, y = 0, z = 0})
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end
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local function attach_object(self, obj)
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if self._driver then
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if self._driver:is_player() then
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self._passenger = obj
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else
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self._passenger = self._driver
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self._driver = obj
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end
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set_double_attach(self)
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else
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self._driver = obj
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set_attach(self)
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end
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local visual_size = get_visual_size(obj)
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local yaw = self.object:get_yaw()
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obj:set_properties({visual_size = vector.divide(visual_size, boat_visual_size)})
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if obj:is_player() then
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local name = obj:get_player_name()
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mcl_player.player_attached[name] = true
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minetest.after(0.2, function(name)
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local player = minetest.get_player_by_name(name)
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if player then
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mcl_player.player_set_animation(player, "sit" , 30)
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end
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end, name)
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obj:set_look_horizontal(yaw)
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mcl_tmp_message.message(obj, S("Sneak to dismount"))
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else
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obj:get_luaentity()._old_visual_size = visual_size
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end
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end
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local function detach_object(obj, change_pos)
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obj:set_detach()
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obj:set_properties({visual_size = get_visual_size(obj)})
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if obj:is_player() then
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mcl_player.player_attached[obj:get_player_name()] = false
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mcl_player.player_set_animation(obj, "stand" , 30)
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else
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obj:get_luaentity()._old_visual_size = nil
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end
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if change_pos then
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obj:set_pos(vector.add(obj:get_pos(), vector.new(0, 0.2, 0)))
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end
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end
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--
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-- Boat entity
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@ -65,70 +125,13 @@ local boat = {
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_damage_anim = 0,
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}
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local function detach_player(player, change_pos)
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player:set_detach()
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player:set_properties({visual_size = {x=1, y=1}})
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mcl_player.player_attached[player:get_player_name()] = false
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mcl_player.player_set_animation(player, "stand" , 30)
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if change_pos then
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player:set_pos(vector.add(player:get_pos(), vector.new(0, 0.2, 0)))
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end
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end
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local function check_object(obj)
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return obj and (obj:is_player() or obj:get_luaentity()) and obj
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end
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local function set_attach(boat)
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boat._driver:set_attach(boat.object, "",
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{x = 0, y = 0.42, z = -1}, {x = 0, y = 0, z = 0})
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end
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local function set_double_attach(boat)
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boat._driver:set_attach(boat.object, "",
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{x = 0, y = 0.42, z = 0.8}, {x = 0, y = 0, z = 0})
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boat._passenger:set_attach(boat.object, "",
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{x = 0, y = 0.42, z = -2.2}, {x = 0, y = 0, z = 0})
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end
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minetest.register_on_respawnplayer(detach_player)
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minetest.register_on_respawnplayer(detach_object)
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function boat.on_rightclick(self, clicker)
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if self._passenger or not clicker or clicker:get_attach() then
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return
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end
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local name = clicker:get_player_name()
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--[[if attach and attach:get_luaentity() then
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local luaentity = attach:get_luaentity()
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if luaentity._driver then
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luaentity._driver = nil
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end
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clicker:set_detach()
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clicker:set_properties({visual_size = {x=1, y=1}})
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end--]]
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if self._driver then
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if self._driver:is_player() then
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self._passenger = clicker
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else
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-- for later use: transport mobs in boats
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self._passenger = self._driver
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self._driver = clicker
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end
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set_double_attach(self)
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else
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self._driver = clicker
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set_attach(self)
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end
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clicker:set_properties({ visual_size = driver_visual_size })
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mcl_player.player_attached[name] = true
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minetest.after(0.2, function(name)
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local player = minetest.get_player_by_name(name)
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if player then
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mcl_player.player_set_animation(player, "sit" , 30)
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end
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end, name)
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clicker:set_look_horizontal(self.object:get_yaw())
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mcl_tmp_message.message(clicker, S("Sneak to dismount"))
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attach_object(self, clicker)
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end
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@ -143,7 +146,6 @@ function boat.on_activate(self, staticdata, dtime_s)
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end
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end
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function boat.get_staticdata(self)
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return minetest.serialize({
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v = self._v,
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@ -152,7 +154,6 @@ function boat.get_staticdata(self)
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})
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end
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function boat.on_death(self, killer)
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if killer and killer:is_player() and minetest.is_creative_enabled(killer:get_player_name()) then
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local inv = killer:get_inventory()
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@ -163,10 +164,10 @@ function boat.on_death(self, killer)
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minetest.add_item(self.object:get_pos(), self._itemstring)
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end
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if self._driver then
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detach_player(self._driver)
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detach_object(self._driver)
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end
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if self._passenger then
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detach_player(self._passenger)
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detach_object(self._passenger)
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end
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self._driver = nil
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self._passenger = nil
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@ -240,7 +241,7 @@ function boat.on_step(self, dtime, moveresult)
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end
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local ctrl = self._driver:get_player_control()
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if ctrl and ctrl.sneak then
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detach_player(self._driver, true)
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detach_object(self._driver, true)
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self._driver = nil
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return
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end
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@ -289,6 +290,14 @@ function boat.on_step(self, dtime, moveresult)
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self.object:set_animation({x=0, y=40}, 0, 0, true)
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self._animation = 0
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end
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for _, obj in ipairs(minetest.get_objects_inside_radius(self.object:get_pos(), 1.3)) do
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local entity = obj:get_luaentity()
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if entity and entity._cmi_is_mob then
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attach_object(self, obj)
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break
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end
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end
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end
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local s = get_sign(self._v)
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if not on_water and not in_water and math.abs(self._v) > 1.0 then
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