From 8ae405f00f7073bca8cb621612ab11bc730228a3 Mon Sep 17 00:00:00 2001 From: orwell96 Date: Wed, 3 Feb 2021 09:30:44 +0100 Subject: Discard get_node_or_nil() for area-loaded check and use either a distance-based approach or minetest.is_block_active() if available See also https://github.com/minetest/minetest/pull/10897 --- advtrains/couple.lua | 2 +- advtrains/helpers.lua | 25 +++++++++++++++++++++++++ advtrains/nodedb.lua | 2 +- advtrains/trainlogic.lua | 15 ++++----------- advtrains/wagons.lua | 23 +++++++---------------- 5 files changed, 38 insertions(+), 29 deletions(-) (limited to 'advtrains') diff --git a/advtrains/couple.lua b/advtrains/couple.lua index 5116bac..76fa447 100644 --- a/advtrains/couple.lua +++ b/advtrains/couple.lua @@ -106,7 +106,7 @@ minetest.register_entity("advtrains:couple", { end, on_step=function(self, dtime) return advtrains.pcall(function() - if advtrains.outside_range(self.object:getpos()) then + if advtrains.wagon_outside_range(self.object:getpos()) then self.object:remove() return end diff --git a/advtrains/helpers.lua b/advtrains/helpers.lua index 3b0bedd..cf890ca 100644 --- a/advtrains/helpers.lua +++ b/advtrains/helpers.lua @@ -445,3 +445,28 @@ atdebug("pts",os.clock()-t1,"s") ]] +-- Function to check whether a position is near (within range of) any player +function advtrains.position_in_range(pos, range) + if not pos then + return true + end + for _,p in pairs(minetest.get_connected_players()) do + if vector.distance(p:get_pos(),pos)<=range then + return true + end + end + return false +end + +local active_node_range = tonumber(minetest.settings:get("active_block_range"))*16 + 16 +-- Function to check whether node at position(pos) is "loaded"/"active" +-- That is, whether it is within the active_block_range to a player +if minetest.is_block_active then -- define function differently whether minetest.is_block_active is available or not + advtrains.is_node_loaded = minetest.is_block_active +else + function advtrains.is_node_loaded(pos) + if advtrains.position_in_range(pos, active_node_range) then + return true + end + end +end diff --git a/advtrains/nodedb.lua b/advtrains/nodedb.lua index 531979e..bdde44a 100644 --- a/advtrains/nodedb.lua +++ b/advtrains/nodedb.lua @@ -223,7 +223,7 @@ end function ndb.swap_node(pos, node, no_inval) - if minetest.get_node_or_nil(pos) then + if advtrains.is_node_loaded(pos) then minetest.swap_node(pos, node) end ndb.update(pos, node) diff --git a/advtrains/trainlogic.lua b/advtrains/trainlogic.lua index cc34b4f..76bbb7a 100644 --- a/advtrains/trainlogic.lua +++ b/advtrains/trainlogic.lua @@ -527,7 +527,7 @@ function advtrains.train_step_c(id, train, dtime) local collpos = advtrains.path_get(train, atround(collindex)) if collpos then local rcollpos=advtrains.round_vector_floor_y(collpos) - local is_loaded_area = minetest.get_node_or_nil(rcollpos) ~= nil + local is_loaded_area = advtrains.is_node_loaded(rcollpos) for x=-train.extent_h,train.extent_h do for z=-train.extent_h,train.extent_h do local testpos=vector.add(rcollpos, {x=x, y=0, z=z}) @@ -870,14 +870,7 @@ function advtrains.spawn_wagons(train_id) local index = advtrains.path_get_index_by_offset(train, train.index, -data.pos_in_train) local pos = advtrains.path_get(train, atfloor(index)) - local spawn = false - for _,p in pairs(minetest.get_connected_players()) do - if vector.distance(p:get_pos(),pos)<=ablkrng then - spawn = true - end - end - - if spawn then + if advtrains.position_in_range(pos, ablkrng) then --atdebug("wagon",w_id,"spawning") local wt = advtrains.get_wagon_prototype(data) local wagon = minetest.add_entity(pos, wt):get_luaentity() @@ -1032,7 +1025,7 @@ function advtrains.train_check_couples(train) if not train.cpl_front then -- recheck front couple local front_trains, pos = advtrains.occ.get_occupations(train, atround(train.index) + CPL_CHK_DST) - if minetest.get_node_or_nil(pos) then -- if the position is loaded... + if advtrains.is_node_loaded(pos) then -- if the position is loaded... for tid, idx in pairs(front_trains) do local other_train = advtrains.trains[tid] if not advtrains.train_ensure_init(tid, other_train) then @@ -1062,7 +1055,7 @@ function advtrains.train_check_couples(train) if not train.cpl_back then -- recheck back couple local back_trains, pos = advtrains.occ.get_occupations(train, atround(train.end_index) - CPL_CHK_DST) - if minetest.get_node_or_nil(pos) then -- if the position is loaded... + if advtrains.is_node_loaded(pos) then -- if the position is loaded... for tid, idx in pairs(back_trains) do local other_train = advtrains.trains[tid] if not advtrains.train_ensure_init(tid, other_train) then diff --git a/advtrains/wagons.lua b/advtrains/wagons.lua index 5c8ac25..1c663fe 100644 --- a/advtrains/wagons.lua +++ b/advtrains/wagons.lua @@ -15,19 +15,8 @@ advtrains.wagon_prototypes = {} advtrains.wagon_objects = {} local unload_wgn_range = advtrains.wagon_load_range + 32 -function advtrains.outside_range(pos) -- returns true if the object is outside of unload_wgn_range of any player - -- this is part of a workaround until mintest core devs decide to fix a bug with static_save=false. - local outofrange = true - if not pos then - return true - end - for _,p in pairs(minetest.get_connected_players()) do - if vector.distance(p:get_pos(),pos)<=unload_wgn_range then - outofrange = false - break - end - end - return outofrange +function advtrains.wagon_outside_range(pos) -- returns true if the object is outside of unload_wgn_range of any player + return not advtrains.position_in_range(pos, unload_wgn_range) end local setting_show_ids = minetest.settings:get_bool("advtrains_show_ids") @@ -299,6 +288,8 @@ function wagon:on_step(dtime) end local train=self:train() + + local is_in_loaded_area = advtrains.is_node_loaded(pos) --custom on_step function if self.custom_on_step then @@ -453,7 +444,7 @@ function wagon:on_step(dtime) end --checking for environment collisions(a 3x3 cube around the center) - if not train.recently_collided_with_env then + if is_in_loaded_area and not train.recently_collided_with_env then local collides=false local exh = self.extent_h or 1 local exv = self.extent_v or 2 @@ -477,7 +468,7 @@ function wagon:on_step(dtime) --DisCouple -- FIX: Need to do this after the yaw calculation - if data.pos_in_trainparts and data.pos_in_trainparts>1 then + if is_in_loaded_area and data.pos_in_trainparts and data.pos_in_trainparts>1 then if train.velocity==0 then if not self.discouple or not self.discouple.object:getyaw() then atprint(self.id,"trying to spawn discouple") @@ -530,7 +521,7 @@ function wagon:on_step(dtime) end end if not players_in then - if advtrains.outside_range(pos) then + if advtrains.wagon_outside_range(pos) then --atdebug("wagon",self.id,"unloading (too far away)") -- Workaround until minetest engine deletes attached sounds if self.sound_loop_handle then -- cgit v1.2.3