dfcaverns/df_mapitems/util.lua

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Small stuff (#8) * cave pearls and spindleshrooms (name subject to change) now are things. Not in mapgen yet. * add the wandering "gas wisp" to light up some of the gas-filled caverns * make wisps rarely spawned by gas explosions * revamp spindlestems into a sort of mineral detector, add glowing extract bottles * optimize pngs * add gas wisps to mapgen * add spindlestems to cavern level 1, most level 1 warrens are now lit up * update internal names, adjust mineral detection range * add cave pearls to some level 2 warrens and tunnels * switch experimental simplecrafting_lib support to crafting mod * Pearls don't grow on falling nodes * put spindlestems with goblin caps, make them always grow red when near those * bunch of documentation * add castle coral to replace cave coral, which has been repurposed into column decoration * documentation for cave coral, update some locale text * add a recipe for cooking oil into paraffin * add old bones to the underworld * MIT license for bones_loot * also cook black cap gills into paraffin, they're oily * add salt crystals to the bloodthorn caverns, illuminating the floor * documentation for salt crystals * auto-generate minetestmapper colors. need to update the spindlestem colours manually * add spindlestem to fungiwood caverns too, and increase warren coverage * in anticipation of eventually adding stuff below the Slade, making glowing pit erosion self-limiting. * add a bit of displacement to the underside of the slade layer * Unique images and names for cooking recipes. * revamp bones loot * add softer footsteps for some fungus types * update mapgen_helper * update cave coral screenshot * mention glowing salts in bloodthorn caverns
2019-08-19 05:20:07 +02:00
-- Used by cave pearls and crystal clusters
-- These methods simulate "wallmounted" nodes using regular facedir, randomizing the rotation around the wallmounted direction.
-- Useful for naturalistic objects you want to have look irregular
df_mapitems.place_against_surface = function(itemstack, placer, pointed_thing)
-- check if pointing at a node
if not pointed_thing then
return itemstack
end
if pointed_thing.type ~= "node" then
return itemstack
end
local under_pos = pointed_thing.under
local above_pos = pointed_thing.above
local under_node = minetest.get_node(under_pos)
local above_node = minetest.get_node(above_pos)
if minetest.is_protected(above_pos, placer:get_player_name()) then
minetest.record_protection_violation(above_pos, placer:get_player_name())
return
end
local under_name = under_node.name
local above_name = above_node.name
local under_def = minetest.registered_nodes[under_name]
local above_def = minetest.registered_nodes[above_name]
-- return if any of the nodes is not registered
if not under_def or not above_def then
return itemstack
end
-- check if you can replace the node above the pointed node
if not above_def.buildable_to then
return itemstack
end
local dir = vector.subtract(under_pos, above_pos)
local param2
if dir.x > 0 then
--facing +x: 16, 17, 18, 19,
param2 = 15 + math.random(1,4)
elseif dir.x < 0 then
--facing -x: 12, 13, 14, 15
param2 = 11 + math.random(1,4)
elseif dir.z > 0 then
--facing +z: 8, 9, 10, 11
param2 = 7 + math.random(1,4)
elseif dir.z < 0 then
--facing -z: 4, 5, 6, 7
param2 = 3 + math.random(1,4)
elseif dir.y > 0 then
--facing -y: 20, 21, 22, 23 (ceiling)
param2 = 19 + math.random(1,4)
else
--facing +y: 0, 1, 2, 3 (floor)
param2 = math.random(1,4) - 1
end
-- add the node and remove 1 item from the itemstack
minetest.add_node(above_pos, {name = itemstack:get_name(), param2 = param2})
if not minetest.is_creative_enabled(placer:get_player_name()) then
Small stuff (#8) * cave pearls and spindleshrooms (name subject to change) now are things. Not in mapgen yet. * add the wandering "gas wisp" to light up some of the gas-filled caverns * make wisps rarely spawned by gas explosions * revamp spindlestems into a sort of mineral detector, add glowing extract bottles * optimize pngs * add gas wisps to mapgen * add spindlestems to cavern level 1, most level 1 warrens are now lit up * update internal names, adjust mineral detection range * add cave pearls to some level 2 warrens and tunnels * switch experimental simplecrafting_lib support to crafting mod * Pearls don't grow on falling nodes * put spindlestems with goblin caps, make them always grow red when near those * bunch of documentation * add castle coral to replace cave coral, which has been repurposed into column decoration * documentation for cave coral, update some locale text * add a recipe for cooking oil into paraffin * add old bones to the underworld * MIT license for bones_loot * also cook black cap gills into paraffin, they're oily * add salt crystals to the bloodthorn caverns, illuminating the floor * documentation for salt crystals * auto-generate minetestmapper colors. need to update the spindlestem colours manually * add spindlestem to fungiwood caverns too, and increase warren coverage * in anticipation of eventually adding stuff below the Slade, making glowing pit erosion self-limiting. * add a bit of displacement to the underside of the slade layer * Unique images and names for cooking recipes. * revamp bones loot * add softer footsteps for some fungus types * update mapgen_helper * update cave coral screenshot * mention glowing salts in bloodthorn caverns
2019-08-19 05:20:07 +02:00
itemstack:take_item()
end
return itemstack
end
-- Mapgen version of the above
local add_to_table = function(dest, source)
for _, val in ipairs(source) do
table.insert(dest, val)
end
end
local valid_nodes = {} -- cache values
local is_valid_mounting_node = function(c_node)
if valid_nodes[c_node] ~= nil then
return valid_nodes[c_node]
end
local def = minetest.registered_nodes[minetest.get_name_from_content_id(c_node)]
if def ~= nil
and (def.drawtype == "normal" or def.drawtype == nil)
and not def.buildable_to
and not (def.groups and def.groups.falling_node) then
valid_nodes[c_node] = true
return true
end
valid_nodes[c_node] = false
return false
end
--facing +x: 16, 17, 18, 19,
--facing -x: 12, 13, 14, 15
--facing +z: 8, 9, 10, 11
--facing -z: 4, 5, 6, 7
--facing -y: 20, 21, 22, 23, (ceiling)
--facing +y: 0, 1, 2, 3
local get_valid_facedirs_vm = function(vi, area, data)
local dirs = {}
local ystride = area.ystride
local zstride = area.zstride
if is_valid_mounting_node(data[vi+1]) then
add_to_table(dirs, {16, 17, 18, 19})
end
if is_valid_mounting_node(data[vi-1]) then
add_to_table(dirs, {12, 13, 14, 15})
end
if is_valid_mounting_node(data[vi-ystride]) then
add_to_table(dirs, {0, 1, 2, 3})
end
if is_valid_mounting_node(data[vi+ystride]) then
add_to_table(dirs, {20, 21, 22, 23})
end
if is_valid_mounting_node(data[vi+zstride]) then
add_to_table(dirs, {8, 9, 10, 11})
end
if is_valid_mounting_node(data[vi-zstride]) then
add_to_table(dirs, {4, 5, 6, 7})
end
return dirs
end
df_mapitems.place_against_surface_vm = function(c_node, vi, area, data, data_param2)
local facedirs = get_valid_facedirs_vm(vi, area, data)
local count = #facedirs
if count > 0 then
data[vi] = c_node
data_param2[vi] = facedirs[math.random(1, count)]
end
end