Refactor chest rotation code in dungeons

This commit is contained in:
Wuzzy 2017-05-24 20:50:42 +02:00
parent 27657b58e2
commit 839a407c90

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@ -62,6 +62,7 @@ end
-- Buffer for LuaVoxelManip
local lvm_buffer = {}
local lvm_buffer2 = {} -- for param2
-- Below the bedrock, generate air/void
minetest.register_on_generated(function(minp, maxp)
@ -77,6 +78,7 @@ minetest.register_on_generated(function(minp, maxp)
local c_air = minetest.get_content_id("air")
local c_cobble = minetest.get_content_id("mcl_core:cobble")
local c_mossycobble = minetest.get_content_id("mcl_core:mossycobble")
local c_chest = minetest.get_content_id("mcl_chests:chest")
-- Remember chest positions to set metadata later
local chest_posses = {}
@ -163,7 +165,7 @@ minetest.register_on_generated(function(minp, maxp)
-- Chests spawn at wall
-- We assign each position at the wall a number and each chest gets one of these numbers randomly
local totalChests = 2
local totalChests = 2 -- this code strongly relies on this number being 2
local totalChestSlots = (dim.x-1) * (dim.z-1)
local chestSlots = {}
-- There is a small chance that both chests have the same slot.
@ -189,9 +191,9 @@ minetest.register_on_generated(function(minp, maxp)
local chestSlotCounter = 1
for tx = x, maxx do
for tz = z, maxz do
for ty = y, maxy do
local p_pos = area:index(tx, ty, tz)
-- Floor
if ty == y then
if math.random(1,4) == 1 then
@ -217,7 +219,7 @@ minetest.register_on_generated(function(minp, maxp)
elseif (tx==maxx-1) then p2 = 1
elseif (tz==z+1) then p2 = 2
else p2 = 0 end
table.insert(chest_posses, {pos={x=tx, y=ty, z=tz}, param2=p2})
table.insert(chest_posses, {x=tx, y=ty, z=tz})
currentChest = currentChest + 1
else
data[p_pos] = c_air
@ -235,15 +237,59 @@ minetest.register_on_generated(function(minp, maxp)
end
if lvm_used then
local chest_param2 = {}
-- Determine correct chest rotation (must pointi outwards)
for c=1, #chest_posses do
local cpos = chest_posses[c]
-- Check surroundings of chest to determine correct rotation
local surround_vectors = {
{ x=-1, y=0, z=0 },
{ x=1, y=0, z=0 },
{ x=0, y=0, z=-1 },
{ x=0, y=0, z=1 },
}
local surroundings = {}
for s=1, #surround_vectors do
-- Detect the 4 horizontal neighbors
local spos = vector.add(cpos, surround_vectors[s])
local wpos = vector.subtract(cpos, surround_vectors[s])
local p_pos = area:index(spos.x, spos.y, spos.z)
local p_pos2 = area:index(wpos.x, wpos.y, wpos.z)
local nodename = minetest.get_name_from_content_id(data[p_pos])
local nodename2 = minetest.get_name_from_content_id(data[p_pos2])
local nodedef = minetest.registered_nodes[nodename]
local nodedef2 = minetest.registered_nodes[nodename2]
-- The chest needs an open space in front of it and a walkable node (except chest) behind it
if nodedef and nodedef.walkable == false and nodedef2 and nodedef2.walkable == true and nodename2 ~= "mcl_chests:chest" then
table.insert(surroundings, spos)
end
end
-- Set param2 (=facedir) of this chest
local facedir
if #surroundings <= 0 then
-- Fallback if chest ended up in the middle of a room for some reason
facedir = math.random(0, 0)
else
-- 1 or multiple possible open directions: Choose random facedir
local face_to = surroundings[math.random(1, #surroundings)]
facedir = minetest.dir_to_facedir(vector.subtract(cpos, face_to))
end
chest_param2[c] = facedir
end
-- Actually generate the dungeon all at once (except the chests and the spawner)
vm:set_data(data)
vm:calc_lighting()
vm:update_liquids()
vm:write_to_map()
end
-- Chests are placed seperately
for c=1, #chest_posses do
local cpos = chest_posses[c].pos
minetest.set_node(cpos, {name="mcl_chests:chest", param2=chest_posses[c].param2})
local cpos = chest_posses[c]
minetest.set_node(cpos, {name="mcl_chests:chest", param2=chest_param2[c]})
local meta = minetest.get_meta(cpos)
local inv = meta:get_inventory()
local items = get_loot()
@ -251,5 +297,6 @@ minetest.register_on_generated(function(minp, maxp)
inv:set_stack("main", i, ItemStack(items[i]))
end
end
end
end)