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provide Portal API

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Treer 2019-07-05 23:22:22 +10:00 committet von SmallJoker
Ursprung 3126d067a1
Commit b6e2a3335a
7 geänderte Dateien mit 1593 neuen und 1259 gelöschten Zeilen

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unused_args = false
allow_defined_top = true
globals = {
"nether"
}
read_globals = {
"core",
"default",

1305
init.lua

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225
mapgen.lua Normale Datei
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--[[
Nether mod for minetest
Copyright (C) 2013 PilzAdam
Permission to use, copy, modify, and/or distribute this software for
any purpose with or without fee is hereby granted, provided that the
above copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR
BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES
OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
SOFTWARE.
]]--
-- Parameters
local NETHER_DEPTH = nether.DEPTH
local TCAVE = 0.6
local BLEND = 128
-- 3D noise
local np_cave = {
offset = 0,
scale = 1,
spread = {x = 384, y = 128, z = 384}, -- squashed 3:1
seed = 59033,
octaves = 5,
persist = 0.7,
lacunarity = 2.0,
--flags = ""
}
-- Stuff
local yblmax = NETHER_DEPTH - BLEND * 2
-- Mapgen
-- Initialize noise object, localise noise and data buffers
local nobj_cave = nil
local nbuf_cave = nil
local dbuf = nil
-- Content ids
local c_air = minetest.get_content_id("air")
--local c_stone_with_coal = minetest.get_content_id("default:stone_with_coal")
--local c_stone_with_iron = minetest.get_content_id("default:stone_with_iron")
local c_stone_with_mese = minetest.get_content_id("default:stone_with_mese")
local c_stone_with_diamond = minetest.get_content_id("default:stone_with_diamond")
local c_stone_with_gold = minetest.get_content_id("default:stone_with_gold")
--local c_stone_with_copper = minetest.get_content_id("default:stone_with_copper")
local c_mese = minetest.get_content_id("default:mese")
local c_gravel = minetest.get_content_id("default:gravel")
local c_dirt = minetest.get_content_id("default:dirt")
local c_sand = minetest.get_content_id("default:sand")
local c_cobble = minetest.get_content_id("default:cobble")
local c_mossycobble = minetest.get_content_id("default:mossycobble")
local c_stair_cobble = minetest.get_content_id("stairs:stair_cobble")
local c_lava_source = minetest.get_content_id("default:lava_source")
local c_lava_flowing = minetest.get_content_id("default:lava_flowing")
local c_water_source = minetest.get_content_id("default:water_source")
local c_water_flowing = minetest.get_content_id("default:water_flowing")
local c_glowstone = minetest.get_content_id("nether:glowstone")
local c_nethersand = minetest.get_content_id("nether:sand")
local c_netherbrick = minetest.get_content_id("nether:brick")
local c_netherrack = minetest.get_content_id("nether:rack")
-- On-generated function
minetest.register_on_generated(function(minp, maxp, seed)
if minp.y > NETHER_DEPTH then
return
end
local x1 = maxp.x
local y1 = maxp.y
local z1 = maxp.z
local x0 = minp.x
local y0 = minp.y
local z0 = minp.z
local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
local area = VoxelArea:new{MinEdge = emin, MaxEdge = emax}
local data = vm:get_data(dbuf)
local x11 = emax.x -- Limits of mapchunk plus mapblock shell
local y11 = emax.y
local z11 = emax.z
local x00 = emin.x
local y00 = emin.y
local z00 = emin.z
local ystride = x1 - x0 + 1
local zstride = ystride * ystride
local chulens = {x = ystride, y = ystride, z = ystride}
local minposxyz = {x = x0, y = y0, z = z0}
nobj_cave = nobj_cave or minetest.get_perlin_map(np_cave, chulens)
local nvals_cave = nobj_cave:get3dMap_flat(minposxyz, nbuf_cave)
for y = y00, y11 do -- Y loop first to minimise tcave calculations
local tcave
local in_chunk_y = false
if y >= y0 and y <= y1 then
if y > yblmax then
tcave = TCAVE + ((y - yblmax) / BLEND) ^ 2
else
tcave = TCAVE
end
in_chunk_y = true
end
for z = z00, z11 do
local vi = area:index(x00, y, z) -- Initial voxelmanip index
local ni
local in_chunk_yz = in_chunk_y and z >= z0 and z <= z1
for x = x00, x11 do
if in_chunk_yz and x == x0 then
-- Initial noisemap index
ni = (z - z0) * zstride + (y - y0) * ystride + 1
end
local in_chunk_yzx = in_chunk_yz and x >= x0 and x <= x1 -- In mapchunk
local id = data[vi] -- Existing node
-- Cave air, cave liquids and dungeons are overgenerated,
-- convert these throughout mapchunk plus shell
if id == c_air or -- Air and liquids to air
id == c_lava_source or
id == c_lava_flowing or
id == c_water_source or
id == c_water_flowing then
data[vi] = c_air
-- Dungeons are preserved so we don't need
-- to check for cavern in the shell
elseif id == c_cobble or -- Dungeons (preserved) to netherbrick
id == c_mossycobble or
id == c_stair_cobble then
data[vi] = c_netherbrick
end
if in_chunk_yzx then -- In mapchunk
if nvals_cave[ni] > tcave then -- Only excavate cavern in mapchunk
data[vi] = c_air
elseif id == c_mese then -- Mese block to lava
data[vi] = c_lava_source
elseif id == c_stone_with_gold or -- Precious ores to glowstone
id == c_stone_with_mese or
id == c_stone_with_diamond then
data[vi] = c_glowstone
elseif id == c_gravel or -- Blob ore to nethersand
id == c_dirt or
id == c_sand then
data[vi] = c_nethersand
else -- All else to netherstone
data[vi] = c_netherrack
end
ni = ni + 1 -- Only increment noise index in mapchunk
end
vi = vi + 1
end
end
end
vm:set_data(data)
vm:set_lighting({day = 0, night = 0})
vm:calc_lighting()
vm:update_liquids()
vm:write_to_map()
end)
-- use knowledge of the nether mapgen algorithm to return a suitable ground level for placing a portal.
function nether.find_nether_ground_y(target_x, target_z, start_y)
local nobj_cave_point = minetest.get_perlin(np_cave)
local air = 0 -- Consecutive air nodes found
for y = start_y, start_y - 4096, -1 do
local nval_cave = nobj_cave_point:get3d({x = target_x, y = y, z = target_z})
if nval_cave > TCAVE then -- Cavern
air = air + 1
else -- Not cavern, check if 4 nodes of space above
if air >= 4 then
-- Check volume for non-natural nodes
local minp = {x = target_x - 1, y = y , z = target_z - 2}
local maxp = {x = target_x + 2, y = y + 4, z = target_z + 2}
if nether.volume_is_natural(minp, maxp) then
return y + 1
else -- Restart search a little lower
nether.find_nether_ground_y(target_x, target_z, y - 16)
end
else -- Not enough space, reset air to zero
air = 0
end
end
end
return start_y -- Fallback
end

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nodes.lua Normale Datei
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-- Portal node
minetest.register_node("nether:portal", {
description = "Nether Portal",
tiles = {
"nether_transparent.png",
"nether_transparent.png",
"nether_transparent.png",
"nether_transparent.png",
{
name = "nether_portal.png",
animation = {
type = "vertical_frames",
aspect_w = 16,
aspect_h = 16,
length = 0.5,
},
},
{
name = "nether_portal.png",
animation = {
type = "vertical_frames",
aspect_w = 16,
aspect_h = 16,
length = 0.5,
},
},
},
drawtype = "nodebox",
paramtype = "light",
paramtype2 = "colorfacedir",
palette = "nether_portals_palette.png",
post_effect_color = {
-- post_effect_color can't be changed dynamically in Minetest like the portal colour is.
-- If you need a different post_effect_color then create a custom node and set it as the
-- wormhole_node_name in your portaldef.
-- Hopefully this colour is close enough to magenta to work with the traditional magenta
-- portals, close enough to red to work for a red portal, and also close enough to red to
-- work with blue & cyan portals - since blue portals are sometimes portrayed as being red
-- from the opposite side / from the inside.
a = 160, r = 128, g = 0, b = 80
},
sunlight_propagates = true,
use_texture_alpha = true,
walkable = false,
diggable = false,
pointable = false,
buildable_to = false,
is_ground_content = false,
drop = "",
light_source = 5,
alpha = 192,
node_box = {
type = "fixed",
fixed = {
{-0.5, -0.5, -0.1, 0.5, 0.5, 0.1},
},
},
groups = {not_in_creative_inventory = 1}
})
-- Nether nodes
minetest.register_node("nether:rack", {
description = "Netherrack",
tiles = {"nether_rack.png"},
is_ground_content = true,
groups = {cracky = 3, level = 2},
sounds = default.node_sound_stone_defaults(),
})
minetest.register_node("nether:sand", {
description = "Nethersand",
tiles = {"nether_sand.png"},
is_ground_content = true,
groups = {crumbly = 3, level = 2, falling_node = 1},
sounds = default.node_sound_gravel_defaults({
footstep = {name = "default_gravel_footstep", gain = 0.45},
}),
})
minetest.register_node("nether:glowstone", {
description = "Glowstone",
tiles = {"nether_glowstone.png"},
is_ground_content = true,
light_source = 14,
paramtype = "light",
groups = {cracky = 3, oddly_breakable_by_hand = 3},
sounds = default.node_sound_glass_defaults(),
})
minetest.register_node("nether:brick", {
description = "Nether Brick",
tiles = {"nether_brick.png"},
is_ground_content = false,
groups = {cracky = 2, level = 2},
sounds = default.node_sound_stone_defaults(),
})
local fence_texture =
"default_fence_overlay.png^nether_brick.png^default_fence_overlay.png^[makealpha:255,126,126"
minetest.register_node("nether:fence_nether_brick", {
description = "Nether Brick Fence",
drawtype = "fencelike",
tiles = {"nether_brick.png"},
inventory_image = fence_texture,
wield_image = fence_texture,
paramtype = "light",
sunlight_propagates = true,
is_ground_content = false,
selection_box = {
type = "fixed",
fixed = {-1/7, -1/2, -1/7, 1/7, 1/2, 1/7},
},
groups = {cracky = 2, level = 2},
sounds = default.node_sound_stone_defaults(),
})
-- Register stair and slab
stairs.register_stair_and_slab(
"nether_brick",
"nether:brick",
{cracky = 2, level = 2},
{"nether_brick.png"},
"nether stair",
"nether slab",
default.node_sound_stone_defaults()
)
-- StairsPlus
if minetest.get_modpath("moreblocks") then
stairsplus:register_all(
"nether", "brick", "nether:brick", {
description = "Nether Brick",
groups = {cracky = 2, level = 2},
tiles = {"nether_brick.png"},
sounds = default.node_sound_stone_defaults(),
})
end
-- Crafting
minetest.register_craft({
output = "nether:brick 4",
recipe = {
{"nether:rack", "nether:rack"},
{"nether:rack", "nether:rack"},
}
})
minetest.register_craft({
output = "nether:fence_nether_brick 6",
recipe = {
{"nether:brick", "nether:brick", "nether:brick"},
{"nether:brick", "nether:brick", "nether:brick"},
},
})

1069
portal_api.lua Normale Datei

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84
portal_api.txt Normale Datei
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Portal API Reference
====================
The portal system used to get to the Nether can be used to create portals
to other realms.
Helper functions
----------------
* `nether.volume_is_natural(minp, maxp)`
* use this when determining where to spawn a portal, to avoid overwriting
player builds. It checks the area for any nodes that aren't ground or
trees.
* `nether.find_surface_target_y(target_x, target_z, portal_name)`
* Can be used to implement custom find_surface_anchorPos() functions
* Providing the portal_name allows existing portals on the surface to be reused.
API functions
-------------
Call these functions only at load time!
* `nether.register_portal(name, portal definition)`
* Returns true on success. Can return false if the portal definition
clashes with a portal already registered by another mod, e.g. if the size
and frame node is not unique.
* `nether.unregister_portal(name)`
* Unregisters the portal from the engine, and deletes the entry with key
`name` from `nether.registered_portals` and associated internal tables.
* Returns true on success
* register_portal_ignition_item(name)
Portal definition
-----------------
Used by `nether.register_portal`.
{
shape = PortalShape_Traditional,
-- optional.
wormhole_node_name = "nether:portal",
-- optional. Allows a custom wormhole node to be specified.
-- Useful if you want the portals to have a different post_effect_color
-- or texture.
wormhole_node_color = 0,
particle_color = "#808",
-- Optional. Will default to the same colour as wormhole_node_color if
-- not specified.
frame_node_name = "default:obsidian",
-- required
sound_ambient = "portal_hum",
sound_ignite = "",
sound_extinguish = "",
sound_teleport = "",
within_realm = function(pos)
end,
find_realm_anchorPos = function(pos)
end,
find_surface_anchorPos = function(pos)
end,
on_run_wormhole,
on_ignite,
on_extinguish,
on_player_teleported,
on_created
}

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