mirror of
https://git.minetest.land/VoxeLibre/VoxeLibre.git
synced 2024-08-22 01:47:24 +02:00
Implement offline/out of range minecart movement and fix minecart respawning, remove railtype tracking
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@ -68,9 +68,8 @@ end
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-- Table for item-to-entity mapping. Keys: itemstring, Values: Corresponding entity ID
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local entity_mapping = {}
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local function make_staticdata( railtype, connected_at, dir )
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local function make_staticdata( _, connected_at, dir )
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return {
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railtype = railtype,
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connected_at = connected_at,
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distance = 0,
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velocity = 0,
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@ -122,12 +121,6 @@ function DEFAULT_CART_DEF:on_activate(staticdata, dtime_s)
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-- Initialize
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if type(data) == "table" then
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-- Migrate old data
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if data._railtype then
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data.railtype = data._railtype
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data._railtype = nil
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end
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-- Fix up types
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data.dir = vector.new(data.dir)
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@ -194,11 +187,17 @@ function DEFAULT_CART_DEF:on_step(dtime)
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self._staticdata = staticdata
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end
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-- Update entity position
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local pos = mod.get_cart_position(staticdata)
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if pos then self.object:move_to(pos) end
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-- Repair cart_type
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if not staticdata.cart_type then
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staticdata.cart_type = self.name
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end
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-- Remove superceded entities
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if self._seq ~= staticdata.seq then
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print("removing cart #"..staticdata.uuid.." with sequence number mismatch")
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self.object:remove()
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@ -207,22 +206,11 @@ function DEFAULT_CART_DEF:on_step(dtime)
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-- Regen
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local hp = self.object:get_hp()
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if hp < MINECART_MAX_HP then
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if (staticdata.regen_timer or 0) > 0.5 then
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local time_now = minetest.get_gametime()
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if hp < MINECART_MAX_HP and staticdata.last_regen <= time_now - 1 then
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staticdata.last_regen = time_now
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hp = hp + 1
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staticdata.regen_timer = staticdata.regen_timer - 1
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end
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staticdata.regen_timer = (staticdata.regen_timer or 0) + dtime
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self.object:set_hp(hp)
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else
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staticdata.regen_timer = nil
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end
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-- Fix railtype field
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local pos = self.object:get_pos()
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if staticdata.connected_at and not staticdata.railtype then
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local node = minetest.get_node(vector.floor(pos)).name
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staticdata.railtype = minetest.get_item_group(node, "connect_to_raillike")
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end
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-- Cart specific behaviors
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@ -256,27 +244,12 @@ function DEFAULT_CART_DEF:on_step(dtime)
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end
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end
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if staticdata.connected_at then
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do_movement(staticdata, dtime)
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-- Update entity
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local pos = mod.get_cart_position(staticdata)
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if pos then self.object:move_to(pos) end
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mod.update_cart_orientation(self)
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else
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if not staticdata.connected_at then
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do_detached_movement(self, dtime)
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end
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-- TODO: move this into mcl_core:cactus _mcl_minecarts_on_enter_side
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-- Drop minecart if it collides with a cactus node
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local r = 0.6
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for _, node_pos in pairs({{r, 0}, {0, r}, {-r, 0}, {0, -r}}) do
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if minetest.get_node(vector.offset(pos, node_pos[1], 0, node_pos[2])).name == "mcl_core:cactus" then
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self:on_death()
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self.object:remove()
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return
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end
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end
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mod.update_cart_orientation(self)
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end
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function DEFAULT_CART_DEF:on_death(killer)
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local staticdata = self._staticdata
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@ -325,7 +298,7 @@ function mcl_minecarts.place_minecart(itemstack, pointed_thing, placer)
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local spawn_pos = pointed_thing.above
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local cart_dir = vector.new(1,0,0)
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local railtype, railpos, node
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local railpos, node
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if mcl_minecarts:is_rail(pointed_thing.under) then
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railpos = pointed_thing.under
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elseif mcl_minecarts:is_rail(pointed_thing.above) then
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@ -334,8 +307,7 @@ function mcl_minecarts.place_minecart(itemstack, pointed_thing, placer)
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if railpos then
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spawn_pos = railpos
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node = minetest.get_node(railpos)
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railtype = minetest.get_item_group(node.name, "connect_to_raillike")
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cart_dir = mcl_minecarts:get_rail_direction(railpos, vector.new(1,0,0), nil, nil, railtype)
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cart_dir = mcl_minecarts:get_rail_direction(railpos, vector.new(1,0,0))
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end
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local entity_id = entity_mapping[itemstack:get_name()]
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@ -343,16 +315,18 @@ function mcl_minecarts.place_minecart(itemstack, pointed_thing, placer)
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cart:set_yaw(minetest.dir_to_yaw(cart_dir))
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-- Update static data
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local le = cart:get_luaentity()
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if le then
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-- Setup cart data
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local uuid = mcl_util.get_uuid(cart)
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data = make_staticdata( railtype, railpos, cart_dir )
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data = make_staticdata( nil, railpos, cart_dir )
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data.uuid = uuid
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data.cart_type = entity_id
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update_cart_data(data)
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save_cart_data(uuid)
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-- Update static data
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local le = cart:get_luaentity()
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if le then
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le._staticdata = data
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save_cart_data(le._staticdata.uuid)
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end
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-- Call placer
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@ -361,7 +335,7 @@ function mcl_minecarts.place_minecart(itemstack, pointed_thing, placer)
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end
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if railpos then
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handle_cart_enter(le, railpos)
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handle_cart_enter(data, railpos)
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end
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local pname = ""
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@ -518,7 +492,7 @@ local function try_respawn_carts()
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local max = vector.floor(vector.divide(vector.offset(pos, CART_BLOCK_SIZE, CART_BLOCK_SIZE, CART_BLOCK_SIZE), CART_BLOCK_SIZE)) + vector.new(1,1,1)
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for z = min.z,max.z do
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for y = min.y,max.y do
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for x = min.x,min.x do
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for x = min.x,max.x do
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block_map[ vector.to_string(vector.new(x,y,z)) ] = true
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end
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end
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@ -545,10 +519,42 @@ minetest.register_globalstep(function(dtime)
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try_respawn_carts()
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local stop_time = minetest.get_us_time()
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local duration = (stop_time - start_time) / 1e6
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timer = duration / 50e-6 -- Schedule 50us per second
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timer = duration / 250e-6 -- Schedule 50us per second
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if timer > 5 then timer = 5 end
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--print("Took "..tostring(duration).." seconds, rescheduling for "..tostring(timer).." seconds in the future")
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end
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-- TODO: handle periodically updating out-of-range carts
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-- Handle periodically updating out-of-range carts
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-- TODO: change how often cart positions are updated based on velocity
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for uuid,staticdata in mod.carts() do
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local pos = mod.get_cart_position(staticdata)
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local le = mcl_util.get_luaentity_from_uuid(staticdata.uuid)
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--[[
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print("cart# "..uuid..
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",velocity="..tostring(staticdata.velocity)..
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",pos="..tostring(pos)..
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",le="..tostring(le)..
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",connected_at="..tostring(staticdata.connected_at)
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)]]
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--- Non-entity code
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if staticdata.connected_at then
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do_movement(staticdata, dtime)
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-- TODO: move this into mcl_core:cactus _mcl_minecarts_on_enter_side
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-- Drop minecart if it collides with a cactus node
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local pos = mod.get_cart_position(staticdata)
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if pos then
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local r = 0.6
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for _, node_pos in pairs({{r, 0}, {0, r}, {-r, 0}, {0, -r}}) do
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if minetest.get_node(vector.offset(pos, node_pos[1], 0, node_pos[2])).name == "mcl_core:cactus" then
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self:on_death()
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self.object:remove()
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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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end)
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@ -372,7 +372,7 @@ function mod.reverse_cart_direction(staticdata)
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staticdata.distance = 1 - (staticdata.distance or 0)
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-- recalculate direction
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local next_dir,_ = mod:get_rail_direction(staticdata.connected_at, next_dir, nil, nil, staticdata.railtype)
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local next_dir,_ = mod:get_rail_direction(staticdata.connected_at, next_dir)
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staticdata.dir = next_dir
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end
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@ -7,8 +7,8 @@ local S = minetest.get_translator(modname)
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local mcl_debug,DEBUG = mcl_util.make_mcl_logger("mcl_logging_minecart_debug", "Minecart Debug")
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local friction = mcl_minecarts.FRICTION
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local MAX_TRAIN_LENGTH = mod.MAX_TRAIN_LENGTH
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DEBUG = true
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mcl_debug = function(msg) print(msg) end
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--DEBUG = false
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--mcl_debug = function(msg) print(msg) end
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-- Imports
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local train_length = mod.train_length
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@ -30,13 +30,9 @@ end
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mod.detach_minecart = detach_minecart
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local function try_detach_minecart(staticdata)
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if not staticdata then return end
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-- Don't try to detach if alread detached
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if not staticdata.connected_at then return end
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local node = minetest.get_node(staticdata.connected_at)
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if minetest.get_item_group(node.name, "rail") == 0 then
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if not staticdata or not staticdata.connected_at then return end
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if not mod:is_rail(staticdata.connected_at) then
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print("Detaching minecart"..tostring(staticdata.uuid))
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detach_minecart(staticdata)
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end
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end
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@ -77,10 +73,10 @@ local function handle_cart_enter_exit(staticdata, pos, next_dir, event)
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-- Handle cart-specific behaviors
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if luaentity then
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local hook = luaentity["_mcl_minecarts_"..event]
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else
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minetest.log("warning", "TODO: chanve _mcl_minecarts_"..event.." calling so it is not dependent on the existence of a luaentity")
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end
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if hook then hook(self, pos) end
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else
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--minetest.log("warning", "TODO: change _mcl_minecarts_"..event.." calling so it is not dependent on the existence of a luaentity")
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end
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end
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local function set_metadata_cart_status(pos, uuid, state)
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local meta = minetest.get_meta(pos)
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@ -117,6 +113,8 @@ local function handle_cart_node_watches(staticdata, dtime)
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end
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local function handle_cart_collision(cart1_staticdata, prev_pos, next_dir)
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if not cart1_staticdata then return end
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-- Look ahead one block
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local pos = vector.add(prev_pos, next_dir)
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@ -387,7 +385,7 @@ local function do_movement_step(staticdata, dtime)
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end
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-- Handle cart collisions
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handle_cart_collision(self, pos, next_dir)
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handle_cart_collision(staticdata, pos, next_dir)
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-- Leave the old node
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handle_cart_leave(staticdata, old_pos, next_dir )
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cart_data_fail_cache[uuid] = true
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end
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function mod.carts()
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return pairs(cart_data)
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end
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function mod.find_carts_by_block_map(block_map)
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local cart_list = {}
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for _,data in pairs(cart_data) do
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@ -68,3 +72,8 @@ function mod.find_carts_by_block_map(block_map)
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return cart_list
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end
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minetest.register_on_shutdown(function()
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for uuid,_ in pairs(cart_data) do
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save_cart_data(uuid)
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end
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end)
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