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-rw-r--r--advtrains/helpers.lua10
-rw-r--r--advtrains/path.lua17
-rw-r--r--advtrains/trainlogic.lua94
-rw-r--r--advtrains/wagons.lua448
4 files changed, 276 insertions, 293 deletions
diff --git a/advtrains/helpers.lua b/advtrains/helpers.lua
index 5dbfd8d..70afadd 100644
--- a/advtrains/helpers.lua
+++ b/advtrains/helpers.lua
@@ -235,6 +235,16 @@ function advtrains.is_protected(pos, name)
return minetest.is_protected(pos, name)
end
+function advtrains.is_creative(name)
+ if not name then
+ error("advtrains.is_creative() called without name parameter!")
+ end
+ if minetest.check_player_privs(name, {creative=true}) then
+ return true
+ end
+ return minetest.settings:get_bool("creative_mode")
+end
+
function advtrains.ms_to_kmh(speed)
return speed * 3.6
end
diff --git a/advtrains/path.lua b/advtrains/path.lua
index 07b60b2..43add95 100644
--- a/advtrains/path.lua
+++ b/advtrains/path.lua
@@ -188,13 +188,14 @@ function advtrains.path_get(train, index)
end
-- interpolated position to fractional index given, and angle based on path_dir
--- returns: pos, angle(yaw)
+-- returns: pos, angle(yaw), p_floor, p_ceil
function advtrains.path_get_interpolated(train, index)
local i_floor = atfloor(index)
local i_ceil = i_floor + 1
local frac = index - i_floor
local p_floor, = advtrains.path_get(train, i_floor)
local p_ceil = advtrains.path_get(train, i_ceil)
+ -- Note: minimal code duplication to path_get_adjacent, for performance
local d_floor = train.path_dir[i_floor]
local d_ceil = train.path_dir[i_ceil]
@@ -203,10 +204,20 @@ function advtrains.path_get_interpolated(train, index)
local ang = advtrains.minAngleDiffRad(a_floor, a_ceil)
- return vector.add(p_floor, vector.multiply(vector.subtract(p_ceil, p_floor), frac), (a_floor + frac * ang)%(2*math.pi) -- TODO does this behave correctly?
+ return vector.add(p_floor, vector.multiply(vector.subtract(npos2, npos), frac), (a_floor + frac * ang)%(2*math.pi), p_floor, p_ceil -- TODO does this behave correctly?
+end
+-- returns the 2 path positions directly adjacent to index and the fraction on how to interpolate between them
+-- returns: pos_floor, pos_ceil, fraction
+function advtrains.path_get_adjacent(train, index)
+ local i_floor = atfloor(index)
+ local i_ceil = i_floor + 1
+ local frac = index - i_floor
+ local p_floor, = advtrains.path_get(train, i_floor)
+ local p_ceil = advtrains.path_get(train, i_ceil)
+ return p_floor, p_ceil, frac
end
-function advtrains.path_get_by_offset(train, index, offset)
+function advtrains.path_get_index_by_offset(train, index, offset)
local pos_in_train_left=pit
local index=train.index
if pos_in_train_left>(index-math.floor(index))*(train.path_dist[math.floor(index)] or 1) then
diff --git a/advtrains/trainlogic.lua b/advtrains/trainlogic.lua
index 181446c..412d229 100644
--- a/advtrains/trainlogic.lua
+++ b/advtrains/trainlogic.lua
@@ -624,19 +624,17 @@ function advtrains.get_train_end_index(train)
return advtrains.get_real_path_index(train, train.trainlen or 2)--this function can be found inside wagons.lua since it's more related to wagons. we just set trainlen as pos_in_train
end
-function advtrains.add_wagon_to_train(wagon, train_id, index)
+function advtrains.add_wagon_to_train(wagon_id, train_id, index)
local train=advtrains.trains[train_id]
if index then
- table.insert(train.trainparts, index, wagon.unique_id)
+ table.insert(train.trainparts, index, wagon_id)
else
- table.insert(train.trainparts, wagon.unique_id)
+ table.insert(train.trainparts, wagon_id)
end
- --this is not the usual case!!!
- --we may set initialized because the wagon has no chance to step()
- wagon.initialized=true
- --TODO is this art or can we throw it away?
advtrains.update_trainpart_properties(train_id)
end
+
+-- this function sets wagon's pos_in_train(parts) properties and train's max_speed and drives_on (and more)
function advtrains.update_trainpart_properties(train_id, invert_flipstate)
local train=advtrains.trains[train_id]
train.drives_on=advtrains.merge_tables(advtrains.all_tracktypes)
@@ -646,43 +644,29 @@ function advtrains.update_trainpart_properties(train_id, invert_flipstate)
local rel_pos=0
local count_l=0
+ local shift_dcpl_lock=false
for i, w_id in ipairs(train.trainparts) do
- local wagon=nil
- local shift_dcpl_lock=false
- for aoid,iwagon in pairs(minetest.luaentities) do
- if iwagon.is_wagon and iwagon.unique_id==w_id then
- if wagon then
- --duplicate
- atprint("update_trainpart_properties: Removing duplicate wagon with id="..aoid)
- iwagon.object:remove()
- else
- wagon=iwagon
- end
- end
- end
- if not wagon then
- if advtrains.wagon_save[w_id] then
- --spawn a new and initialize it with the properties from wagon_save
- wagon=minetest.add_entity(train.last_pos, advtrains.wagon_save[w_id].entity_name):get_luaentity()
- if not wagon then
- minetest.chat_send_all("[advtrains] Warning: Wagon "..advtrains.wagon_save[w_id].entity_name.." does not exist. Make sure all required modules are loaded!")
- else
- wagon:init_from_wagon_save(w_id)
- end
+
+ local data = advtrains.wagons[w_id]
+
+ -- 1st: update wagon data (pos_in_train a.s.o)
+ if data then
+ local wagon = minetest.registered_luaentites[data.type]
+ if not wagon then
+ atwarn("Wagon '",data.type,"' couldn't be found. Please check that all required modules are loaded!")
+ wagon = minetest.registered_luaentites["advtrains:wagon_placeholder"]
end
- end
- if wagon then
+
rel_pos=rel_pos+wagon.wagon_span
- wagon.train_id=train_id
- wagon.pos_in_train=rel_pos
- wagon.pos_in_trainparts=i
- wagon.old_velocity_vector=nil
+ data.train_id=train_id
+ data.pos_in_train=rel_pos
+ data.pos_in_trainparts=i
if wagon.is_locomotive then
count_l=count_l+1
end
if invert_flipstate then
- wagon.wagon_flipped = not wagon.wagon_flipped
- shift_dcpl_lock, wagon.dcpl_lock = wagon.dcpl_lock, shift_dcpl_lock
+ data.wagon_flipped = not data.wagon_flipped
+ shift_dcpl_lock, data.dcpl_lock = data.dcpl_lock, shift_dcpl_lock
end
rel_pos=rel_pos+wagon.wagon_span
@@ -695,17 +679,39 @@ function advtrains.update_trainpart_properties(train_id, invert_flipstate)
end
train.max_speed=math.min(train.max_speed, wagon.max_speed)
train.extent_h = math.max(train.extent_h, wagon.extent_h or 1);
-
- else
- atwarn("Did not find save data for wagon",w_id,". The wagon will be deleted.")
- --what the hell...
- table.remove(train.trainparts, pit)
end
end
- train.trainlen=rel_pos
- train.locomotives_in_train=count_l
end
+-- This function checks whether entities need to be spawned for certain wagons, and spawns them.
+function advtrains.spawn_wagons(train_id)
+ local train=advtrains.trains[train_id]
+
+ for i, w_id in ipairs(train.trainparts) do
+ local data = advtrains.wagons[w_id]
+ if data then
+ if not data.object or not data.object:getyaw() then
+ -- eventually need to spawn new object. check if position is loaded.
+ local index = advtrains.path_get_index_by_offset(train, train.index, -data.pos_in_train)
+ local pos = advtrains.path_get(train, atfloor(index))
+
+ if minetest.get_node_or_nil(pos) then
+ local wt = data.type
+ if not minetest.registered_luaentities[wt] then
+ atprint("Unable to load",w_id,"of type",wt,", using placeholder")
+ wt="advtrains:wagon_placeholder"
+ end
+ wagon=minetest.add_entity(pos, wt):get_luaentity()
+ wagon:set_id(w_id)
+ end
+ end
+ end
+
+
+ end
+end
+
+
function advtrains.split_train_at_wagon(wagon)
--get train
local train=advtrains.trains[wagon.train_id]
diff --git a/advtrains/wagons.lua b/advtrains/wagons.lua
index d9b467c..6abd9b7 100644
--- a/advtrains/wagons.lua
+++ b/advtrains/wagons.lua
@@ -1,11 +1,35 @@
---atan2 counts angles clockwise, minetest does counterclockwise
+-- wagon.lua
+-- Holds all logic related to wagons
+-- From now on, wagons are, just like trains, just entries in a table
+-- All data that is static is stored in the entity prototype (self).
+-- A copy of the entity prototype is always available inside minetest.registered_luaentities
+-- All dynamic data is stored in the (new) wagons table
+-- An entity is ONLY spawned by update_trainpart_properties when it finds it useful.
+-- Only data that are only important to the entity itself are stored in the luaentity
+
+advtrains.wagons = {}
+
+--
+function advtrains.create_wagon(type, train_id, owner)
+ local new_id=advtrains.random_id()
+ while advtrains.wagons[new_id] do new_id=advtrains.random_id() end
+ local wgn = {}
+ wgn.type = type
+ wgn.seatp = {}
+ wgn.owner = owner
+ wgn.id = new_id
+ wgn.train_id = train_id
+ advtrains.wagons[new_id] = wgn
+ return new_id
+end
+
local wagon={
collisionbox = {-0.5,-0.5,-0.5, 0.5,0.5,0.5},
--physical = true,
visual = "mesh",
mesh = "wagon.b3d",
- visual_size = {x=3, y=3},
+ visual_size = {x=1, y=1},
textures = {"black.png"},
is_wagon=true,
wagon_span=1,--how many index units of space does this wagon consume
@@ -18,14 +42,7 @@ function wagon:train()
return advtrains.trains[self.train_id]
end
---[[about 'initalized':
- when initialized is false, the entity hasn't got any data yet and should wait for these to be set before doing anything
- when loading an existing object (with staticdata), it will be set
- when instanciating a new object via add_entity, it is not set at the time on_activate is called.
- then, wagon:initialize() will be called
-
- wagon will save only uid in staticdata, no serialized table
-]]
+
function wagon:on_activate(sd_uid, dtime_s)
if sd_uid~="" then
--destroy when loaded from static block.
@@ -33,68 +50,17 @@ function wagon:on_activate(sd_uid, dtime_s)
return
end
self.object:set_armor_groups({immortal=1})
- self.entity_name=self.name
end
-function wagon:get_staticdata()
- return advtrains.pcall(function()
- if not self:ensure_init() then return end
- atprint("[wagon "..((self.unique_id and self.unique_id~="" and self.unique_id) or "no-id").."]: saving to wagon_save")
- --serialize inventory, if it has one
- if self.has_inventory then
- local inv=minetest.get_inventory({type="detached", name="advtrains_wgn_"..self.unique_id})
- self.ser_inv=advtrains.serialize_inventory(inv)
- end
- --save to table before being unloaded
- advtrains.wagon_save[self.unique_id]=advtrains.save_keys(self, {
- "seatp", "owner", "ser_inv", "wagon_flipped", "train_id",
- "dcpl_lock", "seat_access",
- })
- advtrains.wagon_save[self.unique_id].entity_name=self.name
- return self.unique_id
- end)
-end
---returns: uid of wagon
-function wagon:init_new_instance(train_id, properties)
- local new_id=advtrains.random_id()
- while advtrains.wagon_save[new_id] do new_id=advtrains.random_id() end--ensure uniqueness
- self.unique_id=new_id
- self.train_id=train_id
- for k,v in pairs(properties) do
- if k~="name" and k~="object" then
- self[k]=v
- end
- end
- self:init_shared()
- self.initialized=true
- atprint("init_new_instance "..self.unique_id.." ("..self.train_id..")")
- return self.unique_id
-end
-function wagon:init_from_wagon_save(uid)
- if not advtrains.wagon_save[uid] then
- self.object:remove()
- return
- end
- self.unique_id=uid
- for k,v in pairs(advtrains.wagon_save[uid]) do
- if k~="name" and k~="object" then
- self[k]=v
- end
- end
- if not self.train_id or not self:train() then
- self.object:remove()
- return
- end
- self:init_shared()
- self.initialized=true
- minetest.after(0.2, function() self:reattach_all() end)
- atprint("init_from_wagon_save "..self.unique_id.." ("..self.train_id..")")
-end
-function wagon:init_shared()
+function wagon:set_id(wid)
+ self.id = wid
+ self.initialized = true
+
+ local data = advtrains.wagons[self.id]
+
if self.has_inventory then
- local uid_noptr=self.unique_id..""
--to be used later
- local inv=minetest.create_detached_inventory("advtrains_wgn_"..self.unique_id, {
+ local inv=minetest.create_detached_inventory("advtrains_wgn_"..self.id, {
allow_move = function(inv, from_list, from_index, to_list, to_index, count, player)
return count
end,
@@ -106,7 +72,7 @@ function wagon:init_shared()
end
})
if self.ser_inv then
- advtrains.deserialize_inventory(self.ser_inv, inv)
+ advtrains.deserialize_inventory(data.ser_inv, inv)
end
if self.inventory_list_sizes then
for lst, siz in pairs(self.inventory_list_sizes) do
@@ -114,17 +80,19 @@ function wagon:init_shared()
end
end
end
- if self.doors then
- self.door_anim_timer=0
- self.door_state=0
- end
+ self.door_anim_timer=0
+ self.door_state=0
+
+ minetest.after(0.2, function() self:reattach_all() end)
+
if self.custom_on_activate then
self:custom_on_activate(dtime_s)
end
- -- reset line and infotext cache to update object properties on first call
- self.line_cache=nil
- self.infotext_cache=nil
+
+function wagon:get_staticdata()
+ return "STATIC"
end
+
function wagon:ensure_init()
if self.initialized then
if self.noninitticks then self.noninitticks=nil end
@@ -140,15 +108,22 @@ function wagon:ensure_init()
return false
end
+function wagon:train()
+ return advtrains.trains[self.train_id]
+end
+
-- Remove the wagon
function wagon:on_punch(puncher, time_from_last_punch, tool_capabilities, direction)
return advtrains.pcall(function()
if not self:ensure_init() then return end
+
+ local data = advtrains.wagons[self.id]
+
if not puncher or not puncher:is_player() then
return
end
- if self.owner and puncher:get_player_name()~=self.owner and (not minetest.check_player_privs(puncher, {train_admin = true })) then
- minetest.chat_send_player(puncher:get_player_name(), attrans("This wagon is owned by @1, you can't destroy it.", self.owner));
+ if data.owner and puncher:get_player_name()~=data.owner and (not minetest.check_player_privs(puncher, {train_admin = true })) then
+ minetest.chat_send_player(puncher:get_player_name(), attrans("This wagon is owned by @1, you can't destroy it.", data.owner));
return
end
if #(self:train().trainparts)>1 then
@@ -161,6 +136,12 @@ function wagon:on_punch(puncher, time_from_last_punch, tool_capabilities, direct
minetest.chat_send_player(puncher:get_player_name(), attrans("Warning: If you destroy this wagon, you only get some steel back! If you are sure, hold Sneak and left-click the wagon."))
return
end
+
+ if self.custom_may_destroy then
+ if not self.custom_may_destroy(self, puncher, time_from_last_punch, tool_capabilities, direction) then
+ return
+ end
+ end
if not self:destroy() then return end
@@ -176,27 +157,24 @@ function wagon:destroy()
-- single left-click shows warning
-- shift leftclick destroys
-- not when a driver is inside
+ local data = advtrains.wagons[self.id]
- for _,_ in pairs(self.seatp) do
- return
+ if self.custom_on_destroy then
+ self.custom_on_destroy(self)
end
- if self.custom_may_destroy then
- if not self.custom_may_destroy(self, puncher, time_from_last_punch, tool_capabilities, direction) then
- return
- end
- end
- if self.custom_on_destroy then
- self.custom_on_destroy(self, puncher, time_from_last_punch, tool_capabilities, direction)
+ for seat,_ in pairs(data.seatp) do
+ self:get_off(seat)
end
- atprint("[wagon "..((self.unique_id and self.unique_id~="" and self.unique_id) or "no-id").."]: destroying")
+ atprint("[wagon ", self.id, "]: destroying")
self.object:remove()
-
- table.remove(self:train().trainparts, self.pos_in_trainparts)
+
+ if self.train_id and self:train() then
+ table.remove(self:train().trainparts, data.pos_in_trainparts)
advtrains.update_trainpart_properties(self.train_id)
- advtrains.wagon_save[self.unique_id]=nil
+ advtrains.wagons[self.id]=nil
if self.discouple then self.discouple.object:remove() end--will have no effect on unloaded objects
return true
end
@@ -208,22 +186,21 @@ function wagon:on_step(dtime)
local t=os.clock()
local pos = self.object:getpos()
+ local data = advtrains.wagons[self.id]
if not pos then
atprint("["..self.unique_id.."][fatal] missing position (object:getpos() returned nil)")
return
end
-
- self.entity_name=self.name
--is my train still here
if not self.train_id or not self:train() then
atprint("[wagon "..self.unique_id.."] missing train_id, destroying")
- self.object:remove()
+ self:destroy()
return
end
- if not self.seatp then
- self.seatp={}
+ if not data.seatp then
+ data.seatp={}
end
if not self.seatpc then
self.seatpc={}
@@ -236,16 +213,16 @@ function wagon:on_step(dtime)
--driver control
for seatno, seat in ipairs(self.seats) do
- local pname=self.seatp[seatno]
+ local pname=data.seatp[seatno]
local driver=pname and minetest.get_player_by_name(pname)
- local has_driverstand = pname and advtrains.check_driving_couple_protection(pname, self.owner, self.whitelist)
+ local has_driverstand = pname and advtrains.check_driving_couple_protection(pname, data.owner, data.whitelist)
if self.seat_groups then
has_driverstand = has_driverstand and (seat.driving_ctrl_access or self.seat_groups[seat.group].driving_ctrl_access)
else
has_driverstand = has_driverstand and (seat.driving_ctrl_access)
end
if has_driverstand and driver then
- advtrains.update_driver_hud(driver:get_player_name(), self:train(), self.wagon_flipped)
+ advtrains.update_driver_hud(driver:get_player_name(), self:train(), data.wagon_flipped)
elseif driver then
--only show the inside text
local inside=self:train().text_inside or ""
@@ -257,7 +234,7 @@ function wagon:on_step(dtime)
if has_driverstand then
--regular driver stand controls
- advtrains.on_control_change(pc, self:train(), self.wagon_flipped)
+ advtrains.on_control_change(pc, self:train(), data.wagon_flipped)
--bordcom
if pc.sneak and pc.jump then
self:show_bordcom(self.seatp[seatno])
@@ -276,7 +253,7 @@ function wagon:on_step(dtime)
end
else
-- If on a passenger seat and doors are open, get off when W or D pressed.
- local pass = self.seatp[seatno] and minetest.get_player_by_name(self.seatp[seatno])
+ local pass = data.seatp[seatno] and minetest.get_player_by_name(data.seatp[seatno])
if pass and self:train().door_open~=0 then
local pc=pass:get_player_control()
if pc.up or pc.down then
@@ -293,11 +270,9 @@ function wagon:on_step(dtime)
--check infotext
local outside=self:train().text_outside or ""
- local gp=self:train()
+ local train=self:train()
--show off-track information in outside text instead of notifying the whole server about this
- local front_off_track=gp.max_index_on_track and gp.index and gp.index>gp.max_index_on_track
- local back_off_track=gp.min_index_on_track and gp.end_index and gp.end_index<gp.min_index_on_track
- if front_off_track or back_off_track then
+ if train.index < train.path_trk_b or train.index > train.path_trk_f then
outside = outside .."\n!!! Train off track !!!"
end
@@ -306,14 +281,14 @@ function wagon:on_step(dtime)
self.infotext_cache=outside
end
- local fct=self.wagon_flipped and -1 or 1
+ local fct=data.wagon_flipped and -1 or 1
--set line number
- if self.name == "advtrains:subway_wagon" and gp.line and gp.line~=self.line_cache then
+ if self.name == "advtrains:subway_wagon" and train.line and train.line~=self.line_cache then
local new_line_tex="advtrains_subway_wagon.png^advtrains_subway_wagon_line"..gp.line..".png"
self.object:set_properties({
textures={new_line_tex},
})
- self.line_cache=gp.line
+ self.line_cache=train.line
elseif self.line_cache~=nil and gp.line==nil then
self.object:set_properties({
textures=self.textures,
@@ -323,7 +298,7 @@ function wagon:on_step(dtime)
--door animation
if self.doors then
if (self.door_anim_timer or 0)<=0 then
- local dstate = (gp.door_open or 0) * fct
+ local dstate = (train.door_open or 0) * fct
if dstate ~= self.door_state then
local at
--meaning of the train.door_open field:
@@ -352,12 +327,12 @@ function wagon:on_step(dtime)
end
--DisCouple
- if self.pos_in_trainparts and self.pos_in_trainparts>1 then
- if gp.velocity==0 and not self.dcpl_lock then
+ if data.pos_in_trainparts and data.pos_in_trainparts>1 then
+ if train.velocity==0 and not data.dcpl_lock then
if not self.discouple or not self.discouple.object:getyaw() then
atprint(self.unique_id,"trying to spawn discouple")
local yaw = self.object:getyaw()
- local flipsign=self.wagon_flipped and -1 or 1
+ local flipsign=data.wagon_flipped and -1 or 1
local dcpl_pos = vector.add(pos, {y=0, x=-math.sin(yaw)*self.wagon_span*flipsign, z=math.cos(yaw)*self.wagon_span*flipsign})
local object=minetest.add_entity(dcpl_pos, "advtrains:discouple")
if object then
@@ -374,23 +349,23 @@ function wagon:on_step(dtime)
else
if self.discouple and self.discouple.object:getyaw() then
self.discouple.object:remove()
- atprint(self.unique_id," removing discouple")
+ atprint(self.id," removing discouple")
end
end
end
--for path to be available. if not, skip step
- if not gp.path then
+ if not train.path then
self.object:setvelocity({x=0, y=0, z=0})
return
end
- if not self.pos_in_train then
- --why ever. but better continue next step...
- advtrains.update_trainpart_properties(self.train_id)
+ if not data.pos_in_train then
return
end
- local index=advtrains.get_real_path_index(self:train(), self.pos_in_train)
- --atprint("trainindex "..gp.index.." wagonindex "..index)
+ -- Calculate new position, yaw and direction vector
+ local index = advtrains.path_get_index_by_offset(train, train.index, -data.pos_in_train)
+ local pos, yaw, npos, npos2 = advtrains.path_get_interpolated(train, index)
+ local vdir = vector.normalize(vector.subtract(npos2, npos))
--automatic get_on
--needs to know index and path
@@ -398,9 +373,8 @@ function wagon:on_step(dtime)
--using the mapping created by the trainlogic globalstep
for i, ino in ipairs(self.door_entry) do
--fct is the flipstate flag from door animation above
- local aci = index + ino*fct
- local ix1=gp.path[math.floor(aci)]
- local ix2=gp.path[math.floor(aci+1)]
+ local aci = advtrains.path_get_index_by_offset(train, index, ino*fct)
+ local ix1, ix2 = advtrains.path_get_adjacent(train, aci)
-- the two wanted positions are ix1 and ix2 + (2nd-1st rotated by 90deg)
-- (x z) rotated by 90deg is (-z x) (http://stackoverflow.com/a/4780141)
local add = { x = (ix2.z-ix1.z)*gp.door_open, y = 0, z = (ix1.x-ix2.x)*gp.door_open }
@@ -423,15 +397,6 @@ function wagon:on_step(dtime)
end
end
- --position recalculation
- local first_pos=gp.path[math.floor(index)]
- local second_pos=gp.path[math.floor(index)+1]
- if not first_pos or not second_pos then
- --atprint(" object "..self.unique_id.." path end reached!")
- self.object:setvelocity({x=0,y=0,z=0})
- return
- end
-
--checking for environment collisions(a 3x3 cube around the center)
if not gp.recently_collided_with_env then
local collides=false
@@ -440,7 +405,7 @@ function wagon:on_step(dtime)
for x=-exh,exh do
for y=0,exv do
for z=-exh,exh do
- local node=minetest.get_node_or_nil(vector.add(first_pos, {x=x, y=y, z=z}))
+ local node=minetest.get_node_or_nil(vector.add(npos, {x=x, y=y, z=z}))
if (advtrains.train_collides(node)) then
collides=true
end
@@ -466,24 +431,12 @@ function wagon:on_step(dtime)
end
--FIX: use index of the wagon, not of the train.
- local velocity=(gp.velocity*gp.movedir)/(gp.path_dist[math.floor(index)] or 1)
- local acceleration=(gp.last_accel or 0)/(gp.path_dist[math.floor(index)] or 1)
- local factor=index-math.floor(index)
- local actual_pos={x=first_pos.x-(first_pos.x-second_pos.x)*factor, y=first_pos.y-(first_pos.y-second_pos.y)*factor, z=first_pos.z-(first_pos.z-second_pos.z)*factor,}
- local velocityvec={x=(first_pos.x-second_pos.x)*velocity*-1, z=(first_pos.z-second_pos.z)*velocity*-1, y=(first_pos.y-second_pos.y)*velocity*-1}
- local accelerationvec={x=(first_pos.x-second_pos.x)*acceleration*-1, z=(first_pos.z-second_pos.z)*acceleration*-1, y=(first_pos.y-second_pos.y)*acceleration*-1}
-
- --some additional positions to determine orientation
- local aposfwd=gp.path[math.floor(index+2)]
- local aposbwd=gp.path[math.floor(index-1)]
+ local velocity = (gp.velocity*gp.movedir)
+ local acceleration = (gp.last_accel or 0)
+ local velocityvec = vector.multiply(vdir, velocity)
+ local accelerationvec = vector.multiply(vdir, acceleration)
- local yaw
- if aposfwd and aposbwd then
- yaw=advtrains.get_wagon_yaw(aposfwd, second_pos, first_pos, aposbwd, factor)+math.pi--TODO remove when cleaning up
- else
- yaw=math.atan2((first_pos.x-second_pos.x), (second_pos.z-first_pos.z))
- end
- if self.wagon_flipped then
+ if data.wagon_flipped then
yaw=yaw+math.pi
end
@@ -494,7 +447,7 @@ function wagon:on_step(dtime)
or not vector.equals(accelerationvec, self.old_acceleration_vector)
or self.old_yaw~=yaw
or self.updatepct_timer<=0 then--only send update packet if something changed
- self.object:setpos(actual_pos)
+ self.object:setpos(pos)
self.object:setvelocity(velocityvec)
self.object:setacceleration(accelerationvec)
@@ -505,7 +458,7 @@ function wagon:on_step(dtime)
if not self.old_yaw then
self.old_yaw=yaw
end
- for _,name in pairs(self.seatp) do
+ for _,name in pairs(data.seatp) do
local p = minetest.get_player_by_name(name)
if p then
if not self.turning then
@@ -541,29 +494,15 @@ function wagon:on_step(dtime)
end)
end
-function advtrains.get_real_path_index(train, pit)
- local pos_in_train_left=pit
- local index=train.index
- if pos_in_train_left>(index-math.floor(index))*(train.path_dist[math.floor(index)] or 1) then
- pos_in_train_left=pos_in_train_left - (index-math.floor(index))*(train.path_dist[math.floor(index)] or 1)
- index=math.floor(index)
- while pos_in_train_left>(train.path_dist[index-1] or 1) do
- pos_in_train_left=pos_in_train_left - (train.path_dist[index-1] or 1)
- index=index-1
- end
- index=index-(pos_in_train_left/(train.path_dist[index-1] or 1))
- else
- index=index-(pos_in_train_left/(train.path_dist[math.floor(index-1)] or 1))
- end
- return index
-end
-
function wagon:on_rightclick(clicker)
return advtrains.pcall(function()
if not self:ensure_init() then return end
if not clicker or not clicker:is_player() then
return
end
+
+ local data = advtrains.wagons[self.id]
+
local pname=clicker:get_player_name()
local no=self:get_seatno(pname)
if no then
@@ -578,10 +517,10 @@ function wagon:on_rightclick(clicker)
if self.has_inventory and self.get_inventory_formspec then
poss[#poss+1]={name=attrans("Show Inventory"), key="inv"}
end
- if self.seat_groups[sgr].driving_ctrl_access and advtrains.check_driving_couple_protection(pname, self.owner, self.whitelist) then
+ if self.seat_groups[sgr].driving_ctrl_access and advtrains.check_driving_couple_protection(pname, data.owner, data.whitelist) then
poss[#poss+1]={name=attrans("Bord Computer"), key="bordcom"}
end
- if self.owner==pname then
+ if data.owner==pname then
poss[#poss+1]={name=attrans("Wagon properties"), key="prop"}
end
if not self.seat_groups[sgr].require_doors_open or self:train().door_open~=0 then
@@ -626,7 +565,7 @@ function wagon:on_rightclick(clicker)
for seatid, seatdef in ipairs(self.seats) do
if seatdef.group==sgr then
if (not self.seat_groups[sgr].require_doors_open or doors_open) then
- if not self.seatp[seatid] then
+ if not data.seatp[seatid] then
self:get_on(clicker, seatid)
return
else
@@ -648,7 +587,10 @@ function wagon:on_rightclick(clicker)
end
function wagon:get_on(clicker, seatno)
- if not self.seatp then self.seatp={}end
+
+ local data = advtrains.wagons[self.id]
+
+ if not data.seatp then data.seatp={}end
if not self.seatpc then self.seatpc={}end--player controls in driver stands
if not self.seats[seatno] then return end
@@ -657,14 +599,14 @@ function wagon:get_on(clicker, seatno)
atprint("get_on: clearing oldno",seatno)
advtrains.player_to_train_mapping[clicker:get_player_name()]=nil
advtrains.clear_driver_hud(clicker:get_player_name())
- self.seatp[oldno]=nil
+ data.seatp[oldno]=nil
end
- if self.seatp[seatno] and self.seatp[seatno]~=clicker:get_player_name() then
- atprint("get_on: throwing off",self.seatp[seatno],"from seat",seatno)
+ if data.seatp[seatno] and data.seatp[seatno]~=clicker:get_player_name() then
+ atprint("get_on: throwing off",data.seatp[seatno],"from seat",seatno)
self:get_off(seatno)
end
atprint("get_on: attaching",clicker:get_player_name())
- self.seatp[seatno] = clicker:get_player_name()
+ data.seatp[seatno] = clicker:get_player_name()
self.seatpc[seatno] = clicker:get_player_control_bits()
advtrains.player_to_train_mapping[clicker:get_player_name()]=self.train_id
clicker:set_attach(self.object, "", self.seats[seatno].attach_offset, {x=0,y=0,z=0})
@@ -677,7 +619,10 @@ function wagon:get_off_plr(pname)
end
end
function wagon:get_seatno(pname)
- for no, cont in pairs(self.seatp) do
+
+ local data = advtrains.wagons[self.id]
+
+ for no, cont in pairs(data.seatp) do
if cont==pname then
return no
end
@@ -685,30 +630,31 @@ function wagon:get_seatno(pname)
return nil
end
function wagon:get_off(seatno)
- if not self.seatp[seatno] then return end
- local pname = self.seatp[seatno]
+
+ local data = advtrains.wagons[self.id]
+
+ if not data.seatp[seatno] then return end
+ local pname = data.seatp[seatno]
local clicker = minetest.get_player_by_name(pname)
advtrains.player_to_train_mapping[pname]=nil
advtrains.clear_driver_hud(pname)
- self.seatp[seatno]=nil
+ data.seatp[seatno]=nil
self.seatpc[seatno]=nil
if clicker then
atprint("get_off: detaching",clicker:get_player_name())
clicker:set_detach()
clicker:set_eye_offset({x=0,y=0,z=0}, {x=0,y=0,z=0})
- local gp=self:train()
+ local train=self:train()
--code as in step - automatic get on
- if self.door_entry and gp.door_open and gp.door_open~=0 and gp.velocity==0 and gp.index and gp.path then
- local index=advtrains.get_real_path_index(gp, self.pos_in_train)
- --using the mapping created by the trainlogic globalstep
+ if self.door_entry and train.door_open and train.door_open~=0 and train.velocity==0 and train.index and train.path then
+ local index = advtrains.path_get_index_by_offset(train, train.index, -data.pos_in_train)
for i, ino in ipairs(self.door_entry) do
- local aci = index + ino*(self.wagon_flipped and -1 or 1)
- local ix1=gp.path[math.floor(aci)]
- local ix2=gp.path[math.floor(aci+1)]
+ --fct is the flipstate flag from door animation above
+ local aci = advtrains.path_get_index_by_offset(train, index, ino*fct)
+ local ix1, ix2 = advtrains.path_get_adjacent(train, aci)
-- the two wanted positions are ix1 and ix2 + (2nd-1st rotated by 90deg)
-- (x z) rotated by 90deg is (-z x) (http://stackoverflow.com/a/4780141)
- -- multiplied by 2 here, to place off on platform, y of add is 1.
- local add = { x = (ix2.z-ix1.z)*gp.door_open, y = 0, z = (ix1.x-ix2.x)*gp.door_open}
+ local add = { x = (ix2.z-ix1.z)*gp.door_open, y = 0, z = (ix1.x-ix2.x)*gp.door_open }
local oadd = { x = (ix2.z-ix1.z)*gp.door_open*2, y = 1, z = (ix1.x-ix2.x)*gp.door_open*2}
local platpos=vector.round(vector.add(ix1, add))
local offpos=vector.round(vector.add(ix1, oadd))
@@ -736,6 +682,8 @@ function wagon:get_off(seatno)
end
function wagon:show_get_on_form(pname)
if not self.initialized then return end
+
+ local data = advtrains.wagons[self.id]
if #self.seats==0 then
if self.has_inventory and self.get_inventory_formspec then
minetest.show_formspec(pname, "advtrains_inv_"..self.unique_id, self:get_inventory_formspec(pname))
@@ -745,7 +693,7 @@ function wagon:show_get_on_form(pname)
local form, comma="size[5,8]label[0.5,0.5;"..attrans("Select seat:").."]textlist[0.5,1;4,6;seat;", ""
for seatno, seattbl in ipairs(self.seats) do
local addtext, colorcode="", ""
- if self.seatp and self.seatp[seatno] then
+ if data.seatp and data.seatp[seatno] then
colorcode="#FF0000"
addtext=" ("..self.seatp[seatno]..")"
end
@@ -764,11 +712,12 @@ function wagon:show_wagon_properties(pname)
field: driving/couple whitelist
button: save
]]
+ local data = advtrains.wagons[self.id]
local form="size[5,5]"
- form = form .. "field[0.5,1;4,1;whitelist;Allow these players to drive your wagon:;"..(self.whitelist or "").."]"
+ form = form .. "field[0.5,1;4,1;whitelist;Allow these players to drive your wagon:;"..(data.whitelist or "").."]"
--seat groups access lists were here
form=form.."button_exit[0.5,3;4,1;save;"..attrans("Save wagon properties").."]"
- minetest.show_formspec(pname, "advtrains_prop_"..self.unique_id, form)
+ minetest.show_formspec(pname, "advtrains_prop_"..self.id, form)
end
--BordCom
@@ -793,6 +742,7 @@ end
function wagon:show_bordcom(pname)
if not self:train() then return end
local train = self:train()
+ local data = advtrains.wagons[self.id]
local form = "size[11,9]label[0.5,0;AdvTrains Boardcom v0.1]"
form=form.."textarea[0.5,1.5;7,1;text_outside;"..attrans("Text displayed outside on train")..";"..(train.text_outside or "").."]"
@@ -817,7 +767,7 @@ function wagon:show_bordcom(pname)
form = form .. "image_button["..(i-0.5)..","..(linhei+2)..";1,1;advtrains_cpl_lock.png;dcpl_ulck_"..i..";]"
end
end
- if i == self.pos_in_trainparts then
+ if i == data.pos_in_trainparts then
form = form .. "box["..(i-0.1)..","..(linhei-0.1)..";1,1;green]"
end
pre_own = ent.owner
@@ -861,6 +811,8 @@ function wagon:show_bordcom(pname)
minetest.show_formspec(pname, "advtrains_bordcom_"..self.unique_id, form)
end
function wagon:handle_bordcom_fields(pname, formname, fields)
+ local data = advtrains.wagons[self.id]
+
local seatno=self:get_seatno(pname)
if not seatno or not self.seat_groups[self.seats[seatno].group].driving_ctrl_access or not advtrains.check_driving_couple_protection(pname, self.owner, self.whitelist) then
return
@@ -885,35 +837,25 @@ function wagon:handle_bordcom_fields(pname, formname, fields)
if fields["dcpl_"..i] then
for _,wagon in pairs(minetest.luaentities) do
if wagon.is_wagon and wagon.initialized and wagon.unique_id==tpid then
- wagon:safe_decouple(pname)
+ wagon:safe_decouple(pname) -- TODO: Move this into external function (don't search entity?)
end
end
end
if i>1 and fields["dcpl_lck_"..i] then
- local ent = advtrains.wagon_save[tpid]
- local pent = advtrains.wagon_save[train.trainparts[i-1]]
+ local ent = advtrains.wagons[tpid]
+ local pent = advtrains.wagons[train.trainparts[i-1]]
if ent and pent then
if checklock(pname, ent.owner, pent.owner, ent.whitelist, pent.whitelist) then
- for _,wagon in pairs(minetest.luaentities) do
- if wagon.is_wagon and wagon.initialized and wagon.unique_id==tpid then
- wagon.dcpl_lock=true
- wagon:get_staticdata()
- end
- end
+ ent.dcpl_lock = true
end
end
end
if i>1 and fields["dcpl_ulck_"..i] then
- local ent = advtrains.wagon_save[tpid]
- local pent = advtrains.wagon_save[train.trainparts[i-1]]
+ local ent = advtrains.wagons[tpid]
+ local pent = advtrains.wagons[train.trainparts[i-1]]
if ent and pent then
if checklock(pname, ent.owner, pent.owner, ent.whitelist, pent.whitelist) then
- for _,wagon in pairs(minetest.luaentities) do
- if wagon.is_wagon and wagon.initialized and wagon.unique_id==tpid then
- wagon.dcpl_lock=false
- wagon:get_staticdata()
- end
- end
+ ent.dcpl_lock = false
end
end
end
@@ -932,7 +874,7 @@ function wagon:handle_bordcom_fields(pname, formname, fields)
local function chkownsany()
local owns_any = minetest.check_player_privs(pname, "train_admin")
for i, tpid in ipairs(train.trainparts) do
- local ent = advtrains.wagon_save[tpid]
+ local ent = advtrains.wagons[tpid]
if ent then
owns_any = owns_any or advtrains.check_driving_couple_protection(pname, ent.owner, ent.whitelist)
end
@@ -963,14 +905,15 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
local uid=string.match(formname, "^advtrains_geton_(.+)$")
if uid then
for _,wagon in pairs(minetest.luaentities) do
- if wagon.is_wagon and wagon.initialized and wagon.unique_id==uid then
+ if wagon.is_wagon and wagon.initialized and wagon.id==uid then
+ local data = advtrains.wagons[wagon.id]
if fields.inv then
if wagon.has_inventory and wagon.get_inventory_formspec then
minetest.show_formspec(player:get_player_name(), "advtrains_inv_"..uid, wagon:get_inventory_formspec(player:get_player_name()))
end
elseif fields.seat then
local val=minetest.explode_textlist_event(fields.seat)
- if val and val.type~="INV" and not wagon.seatp[player:get_player_name()] then
+ if val and val.type~="INV" and not data.seatp[player:get_player_name()] then
--get on
wagon:get_on(player, val.index)
--will work with the new close_formspec functionality. close exactly this formspec.
@@ -983,7 +926,7 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
uid=string.match(formname, "^advtrains_seating_(.+)$")
if uid then
for _,wagon in pairs(minetest.luaentities) do
- if wagon.is_wagon and wagon.initialized and wagon.unique_id==uid then
+ if wagon.is_wagon and wagon.initialized and wagon.id==uid then
local pname=player:get_player_name()
local no=wagon:get_seatno(pname)
if no then
@@ -996,19 +939,14 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
end
uid=string.match(formname, "^advtrains_prop_(.+)$")
if uid then
- for _,wagon in pairs(minetest.luaentities) do
- if wagon.is_wagon and wagon.initialized and wagon.unique_id==uid then
- local pname=player:get_player_name()
- if pname~=wagon.owner and not minetest.check_player_privs(pname, {train_admin = true}) then
- return true
- end
- if fields.save or not fields.quit then
- for sgr,sgrdef in pairs(wagon.seat_groups) do
- if fields.whitelist then
- wagon.whitelist = fields.whitelist
- end
- end
- end
+ local pname=player:get_player_name()
+ local data = advtrains.wagons[uid]
+ if pname~=data.owner and not minetest.check_player_privs(pname, {train_admin = true}) then
+ return true
+ end
+ if fields.save or not fields.quit then
+ if fields.whitelist then
+ data.whitelist = fields.whitelist
end
end
end
@@ -1023,11 +961,12 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
end)
end)
function wagon:seating_from_key_helper(pname, fields, no)
+ local data = advtrains.wagons[wagon.id]
local sgr=self.seats[no].group
for _,access in ipairs(self.seat_groups[sgr].access_to) do
if fields["sgr_"..access] and self:check_seat_group_access(pname, access) then
for seatid, seatdef in ipairs(self.seats) do
- if seatdef.group==access and not self.seatp[seatid] then
+ if seatdef.group==access and not data.seatp[seatid] then
self:get_on(minetest.get_player_by_name(pname), seatid)
return
end
@@ -1035,7 +974,7 @@ function wagon:seating_from_key_helper(pname, fields, no)
end
end
if fields.inv and self.has_inventory and self.get_inventory_formspec then
- minetest.show_formspec(player:get_player_name(), "advtrains_inv_"..self.unique_id, wagon:get_inventory_formspec(player:get_player_name()))
+ minetest.show_formspec(player:get_player_name(), "advtrains_inv_"..self.id, self:get_inventory_formspec(player:get_player_name()))
end
if fields.prop and self.owner==pname then
self:show_wagon_properties(pname)
@@ -1060,8 +999,9 @@ function wagon:check_seat_group_access(pname, sgr)
return true
end
function wagon:reattach_all()
- if not self.seatp then self.seatp={} end
- for seatno, pname in pairs(self.seatp) do
+ local data = advtrains.wagons[wagon.id]
+ if not data.seatp then data.seatp={} end
+ for seatno, pname in pairs(data.seatp) do
local p=minetest.get_player_by_name(pname)
if p then
self:get_on(p ,seatno)
@@ -1074,7 +1014,8 @@ function wagon:safe_decouple(pname)
minetest.chat_send_player(pname, "Missing train_operator privilege")
return false
end
- if self.dcpl_lock then
+ local data = advtrains.wagons[wagon.id]
+ if data.dcpl_lock then
minetest.chat_send_player(pname, "Couple is locked (ask owner or admin to unlock it)")
return false
end
@@ -1085,7 +1026,7 @@ function wagon:safe_decouple(pname)
end
-function advtrains.register_wagon(sysname_p, prototype, desc, inv_img)
+function advtrains.register_wagon(sysname_p, prototype, desc, inv_img, nincreative)
local sysname = sysname_p
if not string.match(sysname, ":") then
sysname = "advtrains:"..sysname_p
@@ -1099,12 +1040,14 @@ function advtrains.register_wagon(sysname_p, prototype, desc, inv_img)
wield_image = inv_img,
stack_max = 1,
+ groups = { not_in_creative_inventory = nincreative and 0 or 1}
+
on_place = function(itemstack, placer, pointed_thing)
return advtrains.pcall(function()
if not pointed_thing.type == "node" then
return
end
-
+ local pname = placer:get_player_name()
local node=minetest.get_node_or_nil(pointed_thing.under)
if not node then atprint("[advtrains]Ignore at placer position") return itemstack end
@@ -1114,7 +1057,7 @@ function advtrains.register_wagon(sysname_p, prototype, desc, inv_img)
return itemstack
end
if not minetest.check_player_privs(placer, {train_operator = true }) then
- minetest.chat_send_player(placer:get_player_name(), "You don't have the train_operator privilege.")
+ minetest.chat_send_player(pname, "You don't have the train_operator privilege.")
return itemstack
end
if not minetest.check_player_privs(placer, {train_admin = true }) and minetest.is_protected(pointed_thing.under, placer:get_player_name()) then
@@ -1125,21 +1068,17 @@ function advtrains.register_wagon(sysname_p, prototype, desc, inv_img)
local plconnid = advtrains.yawToClosestConn(yaw, tconns)
local prevpos = advtrains.get_adjacent_rail(pointed_thing.under, tconns, plconnid, prototype.drives_on)
- if not prevpos then return end
- local id=advtrains.create_new_train_at(pointed_thing.under, prevpos)
-
- local ob=minetest.add_entity(pointed_thing.under, sysname)
- if not ob then
- atprint("couldn't add_entity, aborting")
+ if not prevpos then
+ minetest.chat_send_player(pname, "The track you are trying to place the wagon on is not long enough!")
+ return
end
- local le=ob:get_luaentity()
+ local id=advtrains.create_new_train_at(pointed_thing.under, plconnid)
- le.owner=placer:get_player_name()
+ local wid = advtrains.create_wagon(type, id, pname)
- local wagon_uid=le:init_new_instance(id, {})
+ advtrains.add_wagon_to_train(wid, id)
- advtrains.add_wagon_to_train(le, id)
- if not minetest.settings:get_bool("creative_mode") then
+ if not advtrains.is_creative(pname) then
itemstack:take_item()
end
return itemstack
@@ -1149,4 +1088,21 @@ function advtrains.register_wagon(sysname_p, prototype, desc, inv_img)
})
end
+-- Placeholder wagon. Will be spawned whenever a mod is missing
+advtrains.register_wagon("advtrains:wagon_placeholder", {
+ visual="sprite",
+ textures = {"advtrains_wheel.png"},
+ collisionbox = {-0.3,-0.3,-0.3, 0.3,0.3,0.3},
+ visual_size = {x=0.7, y=0.7},
+ initial_sprite_basepos = {x=0, y=0},
+ drives_on = advtrains.all_tracktypes,
+ max_speed = 5,
+ seats = {
+ },
+ seat_groups = {
+ },
+ assign_to_seat_group = {},
+ wagon_span=1,
+ drops={},
+}, "Wagon placeholder", "advtrains_subway_wagon_inv.png", true)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 04:38:00 +0000