459 lines
11 KiB
Lua
459 lines
11 KiB
Lua
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--[[
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Nether mod for minetest
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Copyright (C) 2013 PilzAdam
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Permission to use, copy, modify, and/or distribute this software for
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any purpose with or without fee is hereby granted, provided that the
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above copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR
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BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES
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OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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]]--
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-- Functions
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local function build_portal(pos, target)
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local p1 = {x = pos.x - 1, y = pos.y - 1, z = pos.z}
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local p2 = {x = p1.x + 3, y = p1.y + 4, z = p1.z}
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local path = minetest.get_modpath("nether") .. "/schematics/nether_portal.mts"
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minetest.place_schematic({x = p1.x, y = p1.y, z = p1.z - 2}, path, 0, nil, true)
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for y = p1.y, p2.y do
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for x = p1.x, p2.x do
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local meta = minetest.get_meta({x = x, y = y, z = p1.z})
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meta:set_string("p1", minetest.pos_to_string(p1))
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meta:set_string("p2", minetest.pos_to_string(p2))
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meta:set_string("target", minetest.pos_to_string(target))
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end
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end
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end
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local function move_check(p1, max, dir)
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local p = {x = p1.x, y = p1.y, z = p1.z}
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local d = math.abs(max - p1[dir]) / (max - p1[dir])
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while p[dir] ~= max do
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p[dir] = p[dir] + d
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if minetest.get_node(p).name ~= "default:obsidian" then
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return false
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end
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end
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return true
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end
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local function check_portal(p1, p2)
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if p1.x ~= p2.x then
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if not move_check(p1, p2.x, "x") then
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return false
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end
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if not move_check(p2, p1.x, "x") then
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return false
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end
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elseif p1.z ~= p2.z then
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if not move_check(p1, p2.z, "z") then
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return false
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end
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if not move_check(p2, p1.z, "z") then
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return false
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end
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else
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return false
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end
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if not move_check(p1, p2.y, "y") then
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return false
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end
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if not move_check(p2, p1.y, "y") then
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return false
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end
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return true
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end
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local function is_portal(pos)
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for d = -3, 3 do
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for y = -4, 4 do
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local px = {x = pos.x + d, y = pos.y + y, z = pos.z}
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local pz = {x = pos.x, y = pos.y + y, z = pos.z + d}
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if check_portal(px, {x = px.x + 3, y = px.y + 4, z = px.z}) then
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return px, {x = px.x + 3, y = px.y + 4, z = px.z}
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end
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if check_portal(pz, {x = pz.x, y = pz.y + 4, z = pz.z + 3}) then
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return pz, {x = pz.x, y = pz.y + 4, z = pz.z + 3}
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end
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end
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end
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end
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local function make_portal(pos)
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local p1, p2 = is_portal(pos)
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if not p1 or not p2 then
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return false
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end
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for d = 1, 2 do
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for y = p1.y + 1, p2.y - 1 do
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local p
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if p1.z == p2.z then
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p = {x = p1.x + d, y = y, z = p1.z}
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else
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p = {x = p1.x, y = y, z = p1.z + d}
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end
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if minetest.get_node(p).name ~= "air" then
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return false
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end
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end
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end
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local param2
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if p1.z == p2.z then
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param2 = 0
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else
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param2 = 1
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end
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local target = {x = p1.x, y = p1.y, z = p1.z}
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-- don't find nether, since nether-blocks not nether mod
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for d = 0, 3 do
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for y = p1.y, p2.y do
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local p
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if param2 == 0 then
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p = {x = p1.x + d, y = y, z = p1.z}
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else
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p = {x = p1.x, y = y, z = p1.z + d}
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end
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if minetest.get_node(p).name == "air" then
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minetest.set_node(p, {name = "nether:portal", param2 = param2})
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end
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local meta = minetest.get_meta(p)
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meta:set_string("p1", minetest.pos_to_string(p1))
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meta:set_string("p2", minetest.pos_to_string(p2))
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meta:set_string("target", minetest.pos_to_string(target))
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end
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end
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return true
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end
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-- ABMs
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minetest.register_abm({
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nodenames = {"nether:portal"},
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interval = 1,
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chance = 2,
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action = function(pos, node)
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minetest.add_particlespawner({
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32, --amount
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4, --time
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{x = pos.x - 0.25, y = pos.y - 0.25, z = pos.z - 0.25}, --minpos
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{x = pos.x + 0.25, y = pos.y + 0.25, z = pos.z + 0.25}, --maxpos
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{x = -0.8, y = -0.8, z = -0.8}, --minvel
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{x = 0.8, y = 0.8, z = 0.8}, --maxvel
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{x = 0, y = 0, z = 0}, --minacc
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{x = 0, y = 0, z = 0}, --maxacc
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0.5, --minexptime
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1, --maxexptime
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1, --minsize
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2, --maxsize
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false, --collisiondetection
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"nether_particle.png" --texture
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})
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end,
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})
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-- Nodes
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minetest.register_node("nether:portal", {
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description = "Nether Portal",
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tiles = {
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"nether_transparent.png",
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"nether_transparent.png",
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"nether_transparent.png",
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"nether_transparent.png",
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{
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name = "nether_portal.png",
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animation = {
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type = "vertical_frames",
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aspect_w = 16,
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aspect_h = 16,
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length = 0.5,
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},
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},
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{
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name = "nether_portal.png",
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animation = {
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type = "vertical_frames",
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aspect_w = 16,
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aspect_h = 16,
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length = 0.5,
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},
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},
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},
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drawtype = "nodebox",
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paramtype = "light",
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paramtype2 = "facedir",
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sunlight_propagates = true,
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use_texture_alpha = true,
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walkable = false,
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diggable = false,
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pointable = false,
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buildable_to = false,
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is_ground_content = false,
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drop = "",
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light_source = 5,
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post_effect_color = {a = 180, r = 128, g = 0, b = 128},
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alpha = 192,
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node_box = {
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type = "fixed",
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fixed = {
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{-0.5, -0.5, -0.1, 0.5, 0.5, 0.1},
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},
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},
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groups = {not_in_creative_inventory = 1}
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})
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minetest.register_node(":default:obsidian", {
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description = "Obsidian",
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tiles = {"default_obsidian.png"},
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is_ground_content = false,
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sounds = default.node_sound_stone_defaults(),
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groups = {cracky = 1, level = 2},
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on_destruct = function(pos)
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local meta = minetest.get_meta(pos)
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local p1 = minetest.string_to_pos(meta:get_string("p1"))
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local p2 = minetest.string_to_pos(meta:get_string("p2"))
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local target = minetest.string_to_pos(meta:get_string("target"))
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if not p1 or not p2 then
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return
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end
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for x = p1.x, p2.x do
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for y = p1.y, p2.y do
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for z = p1.z, p2.z do
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local nn = minetest.get_node({x = x, y = y, z = z}).name
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if nn == "default:obsidian" or nn == "nether:portal" then
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if nn == "nether:portal" then
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minetest.remove_node({x = x, y = y, z = z})
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end
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local m = minetest.get_meta({x = x, y = y, z = z})
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m:set_string("p1", "")
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m:set_string("p2", "")
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m:set_string("target", "")
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end
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end
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end
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end
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meta = minetest.get_meta(target)
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if not meta then
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return
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end
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p1 = minetest.string_to_pos(meta:get_string("p1"))
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p2 = minetest.string_to_pos(meta:get_string("p2"))
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if not p1 or not p2 then
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return
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end
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for x = p1.x, p2.x do
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for y = p1.y, p2.y do
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for z = p1.z, p2.z do
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local nn = minetest.get_node({x = x, y = y, z = z}).name
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if nn == "default:obsidian" or nn == "nether:portal" then
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if nn == "nether:portal" then
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minetest.remove_node({x = x, y = y, z = z})
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end
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local m = minetest.get_meta({x = x, y = y, z = z})
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m:set_string("p1", "")
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m:set_string("p2", "")
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m:set_string("target", "")
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end
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end
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end
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end
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end,
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})
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minetest.register_node("nether:rack", {
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description = "Netherrack",
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tiles = {"nether_rack.png"},
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is_ground_content = true,
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groups = {cracky = 3, level = 2},
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sounds = default.node_sound_stone_defaults(),
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})
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minetest.register_node("nether:sand", {
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description = "Nethersand",
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tiles = {"nether_sand.png"},
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is_ground_content = true,
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groups = {crumbly = 3, level = 2, falling_node = 1},
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sounds = default.node_sound_gravel_defaults({
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footstep = {name = "default_gravel_footstep", gain = 0.45},
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}),
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})
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minetest.register_node("nether:glowstone", {
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description = "Glowstone",
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tiles = {"nether_glowstone.png"},
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is_ground_content = true,
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light_source = 14,
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paramtype = "light",
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groups = {cracky = 3, oddly_breakable_by_hand = 3},
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sounds = default.node_sound_glass_defaults(),
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})
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minetest.register_node("nether:brick", {
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description = "Nether Brick",
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tiles = {"nether_brick.png"},
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is_ground_content = false,
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groups = {cracky = 2, level = 2},
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sounds = default.node_sound_stone_defaults(),
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})
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local fence_texture =
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"default_fence_overlay.png^nether_brick.png^default_fence_overlay.png^[makealpha:255,126,126"
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minetest.register_node("nether:fence_nether_brick", {
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description = "Nether Brick Fence",
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drawtype = "fencelike",
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tiles = {"nether_brick.png"},
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inventory_image = fence_texture,
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wield_image = fence_texture,
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paramtype = "light",
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sunlight_propagates = true,
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is_ground_content = false,
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selection_box = {
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type = "fixed",
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fixed = {-1/7, -1/2, -1/7, 1/7, 1/2, 1/7},
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},
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groups = {cracky = 2, level = 2},
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sounds = default.node_sound_stone_defaults(),
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})
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-- Register stair and slab
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stairs.register_stair_and_slab(
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"nether_brick",
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"nether:brick",
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{cracky = 2, level = 2},
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{"nether_brick.png"},
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"nether stair",
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"nether slab",
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default.node_sound_stone_defaults()
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)
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-- StairsPlus
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if minetest.get_modpath("moreblocks") then
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stairsplus:register_all(
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"nether", "brick", "nether:brick", {
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description = "Nether Brick",
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groups = {cracky = 2, level = 2},
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tiles = {"nether_brick.png"},
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sounds = default.node_sound_stone_defaults(),
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})
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end
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stairs.register_stair_and_slab("brick", "nether:brick",
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{cracky=3, oddly_breakable_by_hand=1},
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{"nether_brick.png"},
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"nether stair",
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"nether slab",
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default.node_sound_stone_defaults())
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-- Craftitems
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minetest.override_item("default:mese_crystal_fragment", {
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on_place = function(stack, _, pt)
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if pt.under and minetest.get_node(pt.under).name == "default:obsidian" then
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local done = make_portal(pt.under)
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if done and not minetest.settings:get_bool("creative_mode") then
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stack:take_item()
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end
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end
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return stack
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end,
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})
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-- Crafting
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minetest.register_craft({
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output = "nether:brick 4",
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recipe = {
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{"nether:rack", "nether:rack"},
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{"nether:rack", "nether:rack"},
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}
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})
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minetest.register_craft({
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output = "nether:fence_nether_brick 6",
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recipe = {
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{"nether:brick", "nether:brick", "nether:brick"},
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{"nether:brick", "nether:brick", "nether:brick"},
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},
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})
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-- Mapgen
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-- Initialize noise object, localise noise and data buffers
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local nobj_cave = nil
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local nbuf_cave = nil
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local dbuf = nil
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-- Content ids
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local c_air = minetest.get_content_id("air")
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--local c_stone_with_coal = minetest.get_content_id("default:stone_with_coal")
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--local c_stone_with_iron = minetest.get_content_id("default:stone_with_iron")
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local c_stone_with_mese = minetest.get_content_id("default:stone_with_mese")
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local c_stone_with_diamond = minetest.get_content_id("default:stone_with_diamond")
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local c_stone_with_gold = minetest.get_content_id("default:stone_with_gold")
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--local c_stone_with_copper = minetest.get_content_id("default:stone_with_copper")
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local c_mese = minetest.get_content_id("default:mese")
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local c_gravel = minetest.get_content_id("default:gravel")
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local c_dirt = minetest.get_content_id("default:dirt")
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local c_sand = minetest.get_content_id("default:sand")
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local c_cobble = minetest.get_content_id("default:cobble")
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local c_mossycobble = minetest.get_content_id("default:mossycobble")
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local c_stair_cobble = minetest.get_content_id("stairs:stair_cobble")
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local c_lava_source = minetest.get_content_id("default:lava_source")
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local c_lava_flowing = minetest.get_content_id("default:lava_flowing")
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local c_water_source = minetest.get_content_id("default:water_source")
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local c_water_flowing = minetest.get_content_id("default:water_flowing")
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local c_glowstone = minetest.get_content_id("nether:glowstone")
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local c_nethersand = minetest.get_content_id("nether:sand")
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local c_netherbrick = minetest.get_content_id("nether:brick")
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local c_netherrack = minetest.get_content_id("nether:rack")
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