102 lines
2.7 KiB
Lua
102 lines
2.7 KiB
Lua
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--[[
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Minecart
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========
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Copyright (C) 2019-2021 Joachim Stolberg
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MIT
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See license.txt for more information
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]]--
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-- for lazy programmers
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local M = minetest.get_meta
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local S = minecart.S
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local P2S = function(pos) if pos then return minetest.pos_to_string(pos) end end
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local S2P = minetest.string_to_pos
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local P2H = minetest.hash_node_position
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local sDir = {[0] = "north", "east", "south", "west"}
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local function DOTS(dots)
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if dots then
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return table.concat(dots, ", ")
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else
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return ""
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end
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end
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local old_pos
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local function test_get_route(pos, node, player)
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local yaw = player:get_look_horizontal()
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local dir = minetest.yaw_to_dir(yaw)
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local facedir = minetest.dir_to_facedir(dir)
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local route = minecart.get_waypoint(pos, facedir, {})
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if route then
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-- print(dump(route))
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minecart.set_marker(route.pos, "pos", 0.3, 10)
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if route.cart_pos then
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minecart.set_marker(route.cart_pos, "cart", 0.3, 10)
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end
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-- determine some kind of current y
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old_pos = old_pos or pos
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local curr_y = pos.y > old_pos.y and 1 or pos.y < old_pos.y and -1 or 0
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local cart_pos, extra_cycle = minecart.get_current_cart_pos_correction(pos, facedir, curr_y, route.dot)
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minecart.set_marker(cart_pos, "curr", 0.3, 10)
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old_pos = pos
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print(string.format("Route: dist = %u, dot = %u, speed = %d, extra cycle = %s",
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vector.distance(pos, route.pos), route.dot, route.speed or 0, extra_cycle))
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end
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end
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local function test_get_connections(pos, node, player, ctrl)
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local wp = minecart.get_waypoints(pos)
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for i = 0,3 do
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if wp[i] then
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local dir = minecart.Dot2Dir[ wp[i].dot]
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print(sDir[i], vector.distance(pos, wp[i].pos), dir.y)
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end
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end
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print(dump(M(pos):to_table()))
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end
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local function click_left(itemstack, placer, pointed_thing)
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if pointed_thing.type == "node" then
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local pos = pointed_thing.under
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local node = minetest.get_node(pos)
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if node.name == "carts:rail" or node.name == "carts:powerrail" then
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test_get_route(pos, node, placer)
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end
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end
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end
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local function click_right(itemstack, placer, pointed_thing)
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if pointed_thing.type == "node" then
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local pos = pointed_thing.under
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local node = minetest.get_node(pos)
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if node.name == "carts:rail" or node.name == "carts:powerrail" then
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test_get_connections(pos, node, placer)
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elseif node.name == "minecart:buffer" then
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local route = minecart.get_route(P2S(pos))
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print(dump(route))
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end
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end
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end
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minetest.register_node("minecart:tool", {
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description = "Tool",
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inventory_image = "minecart_tool.png",
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wield_image = "minecart_tool.png",
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liquids_pointable = true,
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use_texture_alpha = true,
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groups = {cracky=1, book=1},
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on_use = click_left,
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on_place = click_right,
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node_placement_prediction = "",
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stack_max = 1,
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})
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