Speed up and make more accurate relief mapping - minetest.git

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author	RealBadAngel <maciej.kasatkin@o2.pl>	2015-12-09 23:08:55 +0100
committer	est31 <MTest31@outlook.com>	2015-12-10 18:24:11 +0100
commit	a64d78a37e95b99f32c29c8dec2e0cdae85a8b41 (patch)
tree	513bb8f6660132f71acc246597db5923d151d344 /src/network
parent	696148e29889b2923f926b27f76979454676506d (diff)

Speed up and make more accurate relief mapping

using linear + binary search.

Diffstat (limited to 'src/network')

0 files changed, 0 insertions, 0 deletions

--couple.lua --defines couple entities. --advtrains:discouple --set into existing trains to split them when punched. --they are attached to the wagons. --[[fields wagon wagons keep their couple entity minetest-internal id inside the field discouple_id. if it refers to nowhere, they will spawn a new one if player is near ]] local print=function(t, ...) minetest.log("action", table.concat({t, ...}, " ")) minetest.chat_send_all(table.concat({t, ...}, " ")) end minetest.register_entity("advtrains:discouple", { visual="sprite", textures = {"advtrains_discouple.png"}, collisionbox = {-0.5,-0.5,-0.5, 0.5,0.5,0.5}, visual_size = {x=1, y=1}, initial_sprite_basepos = {x=0, y=0}, is_discouple=true, on_activate=function(self, staticdata) if staticdata=="DISCOUPLE" then --couple entities have no right to exist further... self.object:remove() return end end, get_staticdata=function() return "DISCOUPLE" end, on_punch=function(self) advtrains.split_train_at_wagon(self.wagon)--found in trainlogic.lua end, on_step=function(self, dtime) local t=os.clock() if not self.wagon then self.object:remove() end --getyaw seems to be a reliable method to check if an object is loaded...if it returns nil, it is not. if not self.wagon.object:getyaw() then self.object:remove() end local velocityvec=self.wagon.object:getvelocity() self.updatepct_timer=(self.updatepct_timer or 0)-dtime if not self.old_velocity_vector or not vector.equals(velocityvec, self.old_velocity_vector) or self.updatepct_timer<=0 then--only send update packet if something changed local flipsign=self.wagon.wagon_flipped and -1 or 1 self.object:setpos(vector.add(self.wagon.object:getpos(), {y=0, x=-math.sin(self.wagon.object:getyaw())*self.wagon.wagon_span*flipsign, z=math.cos(self.wagon.object:getyaw())*self.wagon.wagon_span*flipsign})) self.object:setvelocity(velocityvec) self.updatepct_timer=2 end printbm("discouple_step", t) end, }) --advtrains:couple --when two trains overlap with their end-positions, this entity will be spawned and both trains set its id into appropiate fields for them to know when to free them again. The entity will destroy automatically when it recognizes that any of the trains left the common position. --[[fields train_id_1 train_id_2 train1_is_backpos train2_is_backpos ]] minetest.register_entity("advtrains:couple", { visual="sprite", textures = {"advtrains_couple.png"}, collisionbox = {-0.5,-0.5,-0.5, 0.5,0.5,0.5}, visual_size = {x=1, y=1}, initial_sprite_basepos = {x=0, y=0}, is_couple=true, on_activate=function(self, staticdata) if staticdata=="COUPLE" then --couple entities have no right to exist further... self.object:remove() return end end, get_staticdata=function(self) return "COUPLE" end, on_rightclick=function(self) if not self.train_id_1 or not self.train_id_2 then return end local id1, id2=self.train_id_1, self.train_id_2 if self.train1_is_backpos and not self.train2_is_backpos then advtrains.do_connect_trains(id1, id2) --case 2 (second train is front) elseif self.train2_is_backpos and not self.train1_is_backpos then advtrains.do_connect_trains(id2, id1) --case 3 elseif self.train1_is_backpos and self.train2_is_backpos then


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