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accelerate non-moving carts on mcl_minecarts:golden_rail_on
(#4097)
accelerate a non-moving minecart away from a solid opaque block the powered rail is facing Reviewed-on: https://git.minetest.land/MineClone2/MineClone2/pulls/4097 Reviewed-by: the-real-herowl <the-real-herowl@noreply.git.minetest.land> Co-authored-by: nixnoxus <nixnoxus@web.de> Co-committed-by: nixnoxus <nixnoxus@web.de>
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@ -135,3 +135,33 @@ function mcl_minecarts:get_rail_direction(pos_, dir, ctrl, old_switch, railtype)
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end
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return {x=0, y=0, z=0}
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end
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local plane_adjacents = {
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vector.new(-1,0,0),
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vector.new(1,0,0),
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vector.new(0,0,-1),
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vector.new(0,0,1),
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}
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function mcl_minecarts:get_start_direction(pos)
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local dir
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local i = 0
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while (not dir and i < #plane_adjacents) do
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i = i+1
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local node = minetest.get_node_or_nil(vector.add(pos, plane_adjacents[i]))
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if node ~= nil
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and minetest.get_item_group(node.name, "rail") == 0
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and minetest.get_item_group(node.name, "solid") == 1
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and minetest.get_item_group(node.name, "opaque") == 1
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then
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dir = mcl_minecarts:check_front_up_down(pos, vector.multiply(plane_adjacents[i], -1), true)
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end
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end
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return dir
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end
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function mcl_minecarts:set_velocity(obj, dir, factor)
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obj._velocity = vector.multiply(dir, factor or 3)
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obj._old_pos = nil
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obj._punched = true
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end
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@ -241,9 +241,7 @@ local function register_entity(entity_id, mesh, textures, drop, on_rightclick, o
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if vector.equals(cart_dir, {x=0, y=0, z=0}) then
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return
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end
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self._velocity = vector.multiply(cart_dir, 3)
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self._old_pos = nil
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self._punched = true
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mcl_minecarts:set_velocity(self, cart_dir)
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return
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end
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@ -300,9 +298,7 @@ local function register_entity(entity_id, mesh, textures, drop, on_rightclick, o
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time_from_last_punch = math.min(time_from_last_punch, tool_capabilities.full_punch_interval)
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local f = 3 * (time_from_last_punch / tool_capabilities.full_punch_interval)
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self._velocity = vector.multiply(cart_dir, f)
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self._old_pos = nil
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self._punched = true
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mcl_minecarts:set_velocity(self, cart_dir, f)
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end
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cart.on_activate_by_rail = on_activate_by_rail
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@ -470,7 +466,7 @@ local function register_entity(entity_id, mesh, textures, drop, on_rightclick, o
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return
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end
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local dir, last_switch = nil, nil
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local dir, last_switch, restart_pos = nil, nil, nil
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if not pos then
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pos = self.object:get_pos()
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end
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@ -497,6 +493,9 @@ local function register_entity(entity_id, mesh, textures, drop, on_rightclick, o
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minetest.swap_node(rou_pos, newnode)
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mesecon.receptor_on(rou_pos)
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end
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if node.name == "mcl_minecarts:golden_rail_on" then
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restart_pos = rou_pos
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end
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if node_old.name == "mcl_minecarts:detector_rail_on" then
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local newnode = {name="mcl_minecarts:detector_rail", param2 = node_old.param2}
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minetest.swap_node(rou_old, newnode)
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@ -647,6 +646,14 @@ local function register_entity(entity_id, mesh, textures, drop, on_rightclick, o
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if update.pos then
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self.object:set_pos(pos)
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end
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-- stopped on "mcl_minecarts:golden_rail_on"
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if vector.equals(vel, {x=0, y=0, z=0}) and restart_pos then
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local dir = mcl_minecarts:get_start_direction(restart_pos)
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if dir then
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mcl_minecarts:set_velocity(self, dir)
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end
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end
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end
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function cart:get_staticdata()
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@ -687,7 +694,15 @@ function mcl_minecarts.place_minecart(itemstack, pointed_thing, placer)
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if le then
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le._railtype = railtype
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end
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local cart_dir = mcl_minecarts:get_rail_direction(railpos, {x=1, y=0, z=0}, nil, nil, railtype)
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local cart_dir
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if node.name == "mcl_minecarts:golden_rail_on" then
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cart_dir = mcl_minecarts:get_start_direction(railpos)
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end
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if cart_dir then
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mcl_minecarts:set_velocity(le, cart_dir)
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else
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cart_dir = mcl_minecarts:get_rail_direction(railpos, {x=1, y=0, z=0}, nil, nil, railtype)
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end
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cart:set_yaw(minetest.dir_to_yaw(cart_dir))
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local pname = ""
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@ -112,6 +112,22 @@ register_rail("mcl_minecarts:golden_rail_on",
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onstate = "mcl_minecarts:golden_rail_on",
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rules = rail_rules_long,
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},
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effector = {
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action_on = function(pos, node)
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local dir = mcl_minecarts:get_start_direction(pos)
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if not dir then return end
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local objs = minetest.get_objects_inside_radius(pos, 1)
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for _, o in pairs(objs) do
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local l = o:get_luaentity()
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local v = o:get_velocity()
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if l and string.sub(l.name, 1, 14) == "mcl_minecarts:"
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and v and vector.equals(v, vector.zero())
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then
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mcl_minecarts:set_velocity(l, dir)
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end
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end
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end,
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},
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},
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drop = "mcl_minecarts:golden_rail",
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},
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