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authororwell96 <orwell@bleipb.de>2018-01-07 20:41:48 +0100
committerorwell96 <orwell@bleipb.de>2018-01-07 20:41:48 +0100
commit1f26781b6a79135159205231f580beb06e789d4d (patch)
treebd3effc793bc510922e76b407426dd06bc0907cc
parent07442cfe8ff1a23053446c18e2ada854eeed18d8 (diff)
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Change controls for trains (again)
-rw-r--r--advtrains/init.lua2
-rw-r--r--advtrains/trainhud.lua74
-rw-r--r--advtrains/trainlogic.lua157
-rw-r--r--advtrains_train_subway/init.lua2
4 files changed, 155 insertions, 80 deletions
diff --git a/advtrains/init.lua b/advtrains/init.lua
index 99849cb..4834a45 100644
--- a/advtrains/init.lua
+++ b/advtrains/init.lua
@@ -271,7 +271,7 @@ advtrains.avt_save = function(remove_players_from_wagons)
local v=advtrains.save_keys(train, {
"last_pos", "last_pos_prev", "movedir", "velocity", "tarvelocity",
"trainparts", "savedpos_off_track_index_offset", "recently_collided_with_env",
- "atc_brake_target", "atc_wait_finish", "atc_command", "atc_delay", "door_state"
+ "atc_brake_target", "atc_wait_finish", "atc_command", "atc_delay", "door_open"
})
--then invalidate
if train.index then
diff --git a/advtrains/trainhud.lua b/advtrains/trainhud.lua
index 78c7624..9b7b9e8 100644
--- a/advtrains/trainhud.lua
+++ b/advtrains/trainhud.lua
@@ -1,9 +1,11 @@
--trainhud.lua: holds all the code for train controlling
advtrains.hud = {}
+advtrains.hhud = {}
minetest.register_on_leaveplayer(function(player)
advtrains.hud[player:get_player_name()] = nil
+advtrains.hhud[player:get_player_name()] = nil
end)
local mletter={[1]="F", [-1]="R", [0]="N"}
@@ -40,12 +42,23 @@ function advtrains.on_control_change(pc, train, flip)
end
--shift+use:see wagons.lua
else
+ local act=false
if pc.up then
- train.tarvelocity = math.min(train.tarvelocity + 1, maxspeed)
+ train.lever=4
+ act=true
+ end
+ if pc.jump then
+ train.lever = 1
+ act=true
end
if pc.down then
if train.velocity>0 then
- train.tarvelocity = math.max(train.tarvelocity - 1, 0)
+ if pc.jump then
+ train.lever = 0
+ else
+ train.lever = 2
+ end
+ act=true
else
train.movedir = -train.movedir
end
@@ -64,12 +77,7 @@ function advtrains.on_control_change(pc, train, flip)
train.door_open = train.movedir
end
end
- if train.brake_hold_state~=2 then
- train.brake = false
- end
- if pc.jump then
- train.brake = true
- end
+ train.active_control = act
if pc.aux1 then
--horn
end
@@ -109,6 +117,44 @@ function advtrains.set_trainhud(name, text)
hud.oldText=text
end
end
+function advtrains.set_help_hud(name, text)
+ local hud = advtrains.hhud[name]
+ local player=minetest.get_player_by_name(name)
+ if not player then
+ return
+ end
+ if not hud then
+ hud = {}
+ advtrains.hhud[name] = hud
+ hud.id = player:hud_add({
+ hud_elem_type = "text",
+ name = "ADVTRAINS_HELP",
+ number = 0xFFFFFF,
+ position = {x=1, y=0.3},
+ offset = {x=0, y=0},
+ text = text,
+ scale = {x=200, y=60},
+ alignment = {x=1, y=0},
+ })
+ hud.oldText=text
+ return
+ elseif hud.oldText ~= text then
+ player:hud_change(hud.id, "text", text)
+ hud.oldText=text
+ end
+end
+
+--train.lever:
+--Speed control lever in train, for new train control system.
+--[[
+Value Disp Control Meaning
+0 BB S+Space Emergency Brake
+1 B Space Normal Brake
+2 - S Roll
+3 o <none> Stay at speed
+4 + W Accelerate
+]]
+
function advtrains.hud_train_format(train, flip)
local fct=flip and -1 or 1
if not train then return "" end
@@ -118,9 +164,19 @@ function advtrains.hud_train_format(train, flip)
local tvel=advtrains.abs_ceil(train.tarvelocity)
local vel_kmh=advtrains.abs_ceil(advtrains.ms_to_kmh(train.velocity))
local tvel_kmh=advtrains.abs_ceil(advtrains.ms_to_kmh(train.tarvelocity))
+
+ local levers = "B - o +"
+ local tlev=train.lever
+ if train.velocity==0 and not train.active_control then tlev=1 end
+ if tlev == 0 then levers = ">BB< - o +" end
+ if tlev == 1 then levers = ">B< - o +" end
+ if tlev == 2 then levers = "B >-< o +" end
+ if tlev == 3 then levers = "B - >o< +" end
+ if tlev == 4 then levers = "B - o >+<" end
+
local topLine, firstLine, secondLine
- topLine=" ["..mletter[fct*train.movedir].."] "..doorstr[(train.door_open or 0) * train.movedir].." "..(train.brake and "="..( train.brake_hold_state==2 and "^" or "" ).."B=" or "")
+ topLine=" ["..mletter[fct*train.movedir].."] {"..levers.."} "..doorstr[(train.door_open or 0) * train.movedir]
firstLine=attrans("Speed:").." |"..string.rep("+", vel)..string.rep("_", max-vel).."> "..vel_kmh.." km/h"
secondLine=attrans("Target:").." |"..string.rep("+", tvel)..string.rep("_", max-tvel).."> "..tvel_kmh.." km/h"
diff --git a/advtrains/trainlogic.lua b/advtrains/trainlogic.lua
index 4a0b26c..5681817 100644
--- a/advtrains/trainlogic.lua
+++ b/advtrains/trainlogic.lua
@@ -31,11 +31,20 @@ function endstep()
end
end
-advtrains.train_accel_force=2--per second and divided by number of wagons
-advtrains.train_brake_force=3--per second, not divided by number of wagons
-advtrains.train_roll_force=0.5--per second, not divided by number of wagons, acceleration when rolling without brake
-advtrains.train_emerg_force=10--for emergency brakes(when going off track)
-
+--acceleration for lever modes (trainhud.lua), per wagon
+local t_accel_all={
+ [0] = -10,
+ [1] = -3,
+ [2] = -0.5,
+ [4] = 0,
+}
+--acceleration per engine
+local t_accel_eng={
+ [0] = 0,
+ [1] = 0,
+ [2] = 0,
+ [4] = 2,
+}
advtrains.mainloop_trainlogic=function(dtime)
--build a table of all players indexed by pts. used by damage and door system.
@@ -226,15 +235,16 @@ function advtrains.train_step_a(id, train, dtime)
--- 3. handle velocity influences ---
local train_moves=(train.velocity~=0)
+ local tarvel_cap
if train.recently_collided_with_env then
- train.tarvelocity=0
+ tarvel_cap=0
if not train_moves then
train.recently_collided_with_env=nil--reset status when stopped
end
end
if train.locomotives_in_train==0 then
- train.tarvelocity=0
+ tarvel_cap=0
end
--- 3a. this can be useful for debugs/warnings and is used for check_trainpartload ---
@@ -250,86 +260,95 @@ function advtrains.train_step_a(id, train, dtime)
local pprint
if front_off_track and back_off_track then--allow movement in both directions
- if train.tarvelocity>1 then
- train.tarvelocity=1
- atprint("Train",t_info,"is off track at both ends. Clipping velocity to 1")
- pprint=true
- end
+ tarvel_cap=1
elseif front_off_track then--allow movement only backward
- if train.movedir==1 and train.tarvelocity>0 then
- train.tarvelocity=0
- atprint("Train",t_info,"is off track. Trying to drive further out. Velocity clipped to 0")
- pprint=true
+ if train.movedir==1 then
+ tarvel_cap=0
end
- if train.movedir==-1 and train.tarvelocity>1 then
- train.tarvelocity=1
- atprint("Train",t_info,"is off track. Velocity clipped to 1")
- pprint=true
+ if train.movedir==-1 then
+ tarvel_cap=1
end
elseif back_off_track then--allow movement only forward
- if train.movedir==-1 and train.tarvelocity>0 then
- train.tarvelocity=0
- atprint("Train",t_info,"is off track. Trying to drive further out. Velocity clipped to 0")
- pprint=true
+ if train.movedir==1 then
+ tarvel_cap=1
end
- if train.movedir==1 and train.tarvelocity>1 then
- train.tarvelocity=1
- atprint("Train",t_info,"is off track. Velocity clipped to 1")
- pprint=true
+ if train.movedir==-1 then
+ tarvel_cap=0
end
end
- if pprint then
- atprint("max_iot", train.max_index_on_track, "min_iot", train.min_index_on_track, "<> index", train.index, "end_index", train.end_index)
- end
- --interpret ATC command
- if train.atc_brake_target and train.atc_brake_target>=train.velocity then
- train.atc_brake_target=nil
- end
- if train.atc_wait_finish then
- if not train.atc_brake_target and train.velocity==train.tarvelocity then
- train.atc_wait_finish=nil
+ --interpret ATC command and apply auto-lever control when not actively controlled
+ local trainvelocity = train.velocity
+ if not train.lever then train.lever=3 end
+ if train.active_control then
+ advtrains.atc.train_reset_command(id)
+ else
+ if train.atc_brake_target and train.atc_brake_target>=trainvelocity then
+ train.atc_brake_target=nil
end
- end
- if train.atc_command then
- if train.atc_delay<=0 and not train.atc_wait_finish then
- advtrains.atc.execute_atc_command(id, train)
- else
- train.atc_delay=train.atc_delay-dtime
+ if train.atc_wait_finish then
+ if not train.atc_brake_target and train.velocity==train.tarvelocity then
+ train.atc_wait_finish=nil
+ end
+ end
+ if train.atc_command then
+ if train.atc_delay<=0 and not train.atc_wait_finish then
+ advtrains.atc.execute_atc_command(id, train)
+ else
+ train.atc_delay=train.atc_delay-dtime
+ end
+ end
+
+ train.lever = 3
+ if train.tarvelocity>trainvelocity then train.lever=4 end
+ if train.tarvelocity<trainvelocity then
+ if (train.atc_brake_target and train.atc_brake_target<trainvelocity) then
+ train.lever=1
+ else
+ train.lever=2
+ end
end
end
- --make brake adjust the tarvelocity if necessary
- if train.brake and (math.ceil(train.velocity)-1)<train.tarvelocity then
- train.tarvelocity=math.max((math.ceil(train.velocity)-1), 0)
+ if tarvel_cap and tarvel_cap<train.tarvelocity then
+ train.tarvelocity=tarvel_cap
+ end
+ local tmp_lever = train.lever
+ if tarvel_cap and trainvelocity>tarvel_cap then
+ tmp_lever = 0
end
--- 3a. actually calculate new velocity ---
- if train.velocity~=train.tarvelocity then
- local applydiff=0
- local mass=#train.trainparts
- local diff=train.tarvelocity-train.velocity
- if diff>0 then--accelerating, force will be brought on only by locomotives.
- --atprint("accelerating with default force")
- applydiff=(math.min((advtrains.train_accel_force*train.locomotives_in_train*dtime)/mass, math.abs(diff)))
- else--decelerating
- if front_off_track or back_off_track or train.recently_collided_with_env then --every wagon has a brake, so not divided by mass.
- --atprint("braking with emergency force")
- applydiff= -(math.min((advtrains.train_emerg_force*dtime), math.abs(diff)))
- elseif train.brake or (train.atc_brake_target and train.atc_brake_target<train.velocity) then
- --atprint("braking with default force")
- --no math.min, because it can grow beyond tarvelocity, see up there
- --dont worry, it will never fall below zero.
- applydiff= -((advtrains.train_brake_force*dtime))
- else
- --atprint("roll")
- applydiff= -(math.min((advtrains.train_roll_force*dtime), math.abs(diff)))
+ if tmp_lever~=3 then
+ local acc_all = t_accel_all[tmp_lever]
+ local acc_eng = t_accel_eng[tmp_lever]
+ local nwagons = #train.trainparts
+ local accel = acc_all + (acc_eng*train.locomotives_in_train)/nwagons
+ local vdiff = accel*dtime
+ if not train.active_control then
+ local tvdiff = train.tarvelocity - trainvelocity
+ if math.abs(vdiff) > math.abs(tvdiff) then
+ --applying this change would cross tarvelocity
+ vdiff=tvdiff
end
end
- train.last_accel=(applydiff*train.movedir)
- train.velocity=math.min(math.max( train.velocity+applydiff , 0), train.max_speed or 10)
+ if tarvel_cap and trainvelocity<=tarvel_cap and trainvelocity+vdiff>tarvel_cap then
+ vdiff = tarvel_cap - train.velocity
+ end
+ if trainvelocity+vdiff < 0 then
+ vdiff = - trainvelocity
+ end
+ local mspeed = (train.max_speed or 10)
+ if trainvelocity+vdiff > mspeed then
+ vdiff = mspeed - trainvelocity
+ end
+ train.last_accel=(vdiff*train.movedir)
+ train.velocity=train.velocity+vdiff
+ if train.active_control then
+ train.tarvelocity = train.velocity
+ end
else
- train.last_accel=0
+ train.last_accel = 0
end
--- 4. move train ---
diff --git a/advtrains_train_subway/init.lua b/advtrains_train_subway/init.lua
index 310ccf8..2948fb8 100644
--- a/advtrains_train_subway/init.lua
+++ b/advtrains_train_subway/init.lua
@@ -133,7 +133,7 @@ minetest.register_craftitem(":advtrains:subway_train", {
local yaw = placer:get_look_horizontal() + (math.pi/2)
local plconnid = advtrains.yawToClosestConn(yaw, tconns)
- local prevpos = advtrains.get_adjacent_rail(pointed_thing.under, tconns, plconnid, prototype.drives_on)
+ local prevpos = advtrains.get_adjacent_rail(pointed_thing.under, tconns, plconnid, advtrains.all_tracktypes)
if not prevpos then return end
local id=advtrains.create_new_train_at(pointed_thing.under, prevpos)