Allow functions for _rail_acceleration, make powered rail only accelerate carts when one side of the rail is a solid block or stairs

This commit is contained in:
teknomunk 2024-10-29 07:58:52 -05:00
parent 61a2f98b2b
commit 175936418f
2 changed files with 21 additions and 2 deletions

View File

@ -287,7 +287,12 @@ local function calculate_acceleration(staticdata)
elseif staticdata.velocity >= ( node_def._max_acceleration_velocity or SPEED_MAX ) then
-- Standard friction
elseif node_def and node_def._rail_acceleration then
acceleration = node_def._rail_acceleration * 4
local rail_accel = node_def._rail_acceleration
if type(rail_accel) == "function" then
acceleration = (rail_accel(pos, staticdata) or 0) * 4
else
acceleration = rail_accel * 4
end
end
-- Factor in gravity after everything else

View File

@ -43,7 +43,21 @@ mod.register_straight_rail("mcl_minecarts:golden_rail_v2",{ "mcl_minecarts_rail_
-- Powered rail (on = acceleration mode)
mod.register_straight_rail("mcl_minecarts:golden_rail_v2_on",{ "mcl_minecarts_rail_golden_powered.png" },{
_doc_items_create_entry = false,
_rail_acceleration = 4,
_rail_acceleration = function(pos, staticdata)
local dir = mod.get_rail_direction(pos, staticdata.dir, nil, nil, staticdata.railtype)
local node_a = minetest.get_node(vector.add(pos, dir))
local node_b = minetest.get_node(vector.add(pos, -dir))
local has_adjacent_solid = minetest.get_item_group(node_a.name, "solid") ~= 0 or
minetest.get_item_group(node_b.name, "solid") ~= 0 or
minetest.get_item_group(node_a.name, "stair") ~= 0 or
minetest.get_item_group(node_b.name, "stair") ~= 0
if has_adjacent_solid then
return 4
else
return 0
end
end,
_max_acceleration_velocity = 8,
groups = {
not_in_creative_inventory = 1,