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Fix rail detach crash, make tnt minecarts explode if they hit something hard (off rails)

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This commit is contained in:
teknomunk 2024-04-07 07:44:29 +00:00
parent dcf833907e
commit db96e86d57
2 changed files with 26 additions and 6 deletions
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20
mods/ENTITIES/mcl_minecarts/carts/with_tnt.lua
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@ -3,7 +3,12 @@ local modpath = minetest.get_modpath(modname)
local mod = mcl_minecarts
local S = minetest.get_translator(modname)
-- Minecart with TNT
local function detonate_tnt_minecart(self)
local pos = self.object:get_pos()
self.object:remove()
mcl_explosions.explode(pos, 6, { drop_chance = 1.0 })
end
local function activate_tnt_minecart(self, timer)
if self._boomtimer then
return
@ -76,19 +81,24 @@ mod.register_minecart({
on_activate_by_rail = activate_tnt_minecart,
creative = true,
_mcl_minecarts_on_step = function(self, dtime)
-- Update TNT stuff
-- Impacts reduce the speed greatly. Use this to trigger explosions
local current_speed = vector.length(self.object:get_velocity())
if current_speed < (self._old_speed or 0) - 6 then
detonate_tnt_minecart(self)
end
self._old_speed = current_speed
if self._boomtimer then
-- Explode
self._boomtimer = self._boomtimer - dtime
local pos = self.object:get_pos()
if self._boomtimer <= 0 then
self.object:remove()
mcl_explosions.explode(pos, 6, { drop_chance = 1.0 })
detonate_tnt_minecart(self)
return
else
tnt.smoke_step(pos)
end
end
if self._blinktimer then
self._blinktimer = self._blinktimer - dtime
if self._blinktimer <= 0 then

12
mods/ENTITIES/mcl_minecarts/movement.lua
View file

@ -24,6 +24,10 @@ mod.detach_minecart = detach_minecart
local function try_detach_minecart(self)
local staticdata = self._staticdata
if not staticdata then return end
-- Don't try to detach if alread detached
if not staticdata.connected_at then return end
local node = minetest.get_node(staticdata.connected_at)
if minetest.get_item_group(node.name, "rail") == 0 then
@ -461,7 +465,13 @@ local function do_detached_movement(self, dtime)
friction.y = 0
local accel = vector.new(0,-9.81,0) -- gravity
accel = vector.add(accel, vector.multiply(friction,-0.9))
-- Don't apply friction in the air
local pos_rounded = vector.round(self.object:get_pos())
if minetest.get_node(vector.offset(pos_rounded,0,-1,0)).name ~= "air" then
accel = vector.add(accel, vector.multiply(friction,-0.9))
end
self.object:set_acceleration(accel)
end