Clean up the code

This commit is contained in:
kay27 2022-01-19 03:59:22 +04:00
parent 4a3f1032ca
commit bc4cb14a76
4 changed files with 41 additions and 195 deletions

View File

@ -1602,9 +1602,6 @@ mcl_mapgen.register_mapgen_block_lvm(basic_safe, 1)
local modpath = minetest.get_modpath(minetest.get_current_modname())
dofile(modpath .. "/clay.lua")
dofile(modpath .. "/tree_decoration.lua")
if minetest.get_modpath("mcl_structures") then
dofile(modpath .. "/structures.lua")
end
mcl_mapgen.register_mapgen_block_lvm(function(vm_context)
local minp = vm_context.minp

View File

@ -1,192 +0,0 @@
local END_EXIT_PORTAL_POS = vector.new(-3, -27003, -3) -- End exit portal position
local OVERWORLD_STRUCT_MIN, OVERWORLD_STRUCT_MAX = mcl_mapgen.overworld.min, mcl_mapgen.overworld.max
local END_STRUCT_MIN, END_STRUCT_MAX = mcl_mapgen.end_.min, mcl_mapgen.end_.max
local DIVLEN = 5
local V6 = mcl_mapgen.v6
local math_min, math_max = math.min, math.max
local math_floor, math_ceil = math.floor, math.ceil
local minetest_get_node = minetest.get_node
local minetest_get_mapgen_object = minetest.get_mapgen_object
local minetest_find_nodes_in_area = minetest.find_nodes_in_area
local minetest_get_item_group = minetest.get_item_group
local perlin_structures
local schematic_path = minetest.get_modpath('mcl_structures')
local function determine_ground_level(p, vm_context)
local maxp = vm_context.maxp
local maxp_y = maxp.y
local y = math_min(OVERWORLD_STRUCT_MAX, maxp_y)
if y < maxp_y then
y = y + 1
end
p.y = y
local checknode = minetest_get_node(p)
local nn = checknode.name
if nn ~= "air" and minetest_get_item_group(nn, "attached_node") == 0 and minetest_get_item_group(nn, "deco_block") == 0 then return end
for y = y - 1, math_max(OVERWORLD_STRUCT_MIN, vm_context.minp.y), -1 do
p.y = y
local checknode = minetest_get_node(p)
if checknode then
local nn = checknode.name
local def = minetest.registered_nodes[nn]
if def and def.walkable then
return p, y, nn
end
end
end
end
-- Helper function for converting a MC probability to MT, with
-- regards to MapBlocks.
-- Some MC generated structures are generated on per-chunk
-- probability.
-- The MC probability is 1/x per Minecraft chunk (16×16).
-- x: The MC probability is 1/x.
-- minp, maxp: MapBlock limits
-- returns: Probability (1/return_value) for a single MT mapblock
local function minecraft_chunk_probability(x, minp, maxp)
-- 256 is the MC chunk height
return x * (((maxp.x-minp.x+1)*(maxp.z-minp.z+1)) / 256)
end
-- Takes x and z coordinates and minp and maxp of a generated chunk
-- (in on_generated callback) and returns a biomemap index)
-- Inverse function of biomemap_to_xz
local function xz_to_biomemap_index(x, z, minp, maxp)
local zstride = maxp.z - minp.z + 1
return (z - minp.z) * zstride + (x - minp.x) + 1
end
--local chunk_has_desert_struct
--local chunk_has_desert_temple
local octaves = 3
local persistence = 0.6
local offset = 0
local scale = 1
local max_noise = 0
for i = 1, octaves do
local noise = 1 * (persistence ^ (i - 1))
max_noise = max_noise + noise
end
max_noise = max_noise * octaves
max_noise = offset + scale * max_noise
-- TODO: Check spikes sizes, it looks like we have to swap them:
local function spawn_ice_spike_large(p, pr)
-- Check surface
local floor = {x=p.x+4, y=p.y-1, z=p.z+4}
local surface = minetest_find_nodes_in_area({x=p.x+1,y=p.y-1,z=p.z+1}, floor, {"mcl_core:snowblock"})
if #surface < 9 then return end
-- Check for collision with spruce
local spruce_collisions = minetest_find_nodes_in_area({x=p.x+1,y=p.y+2,z=p.z+1}, {x=p.x+4, y=p.y+6, z=p.z+4}, {"mcl_core:sprucetree", "mcl_core:spruceleaves"})
if #spruce_collisions > 0 then return end
mcl_structures.call_struct(p, "ice_spike_large", nil, pr)
return true
end
local function spawn_ice_spike_small(p, pr)
-- Check surface
local floor = {x=p.x+6, y=p.y-1, z=p.z+6}
local surface = minetest_find_nodes_in_area({x=p.x+1,y=p.y-1,z=p.z+1}, floor, {"mcl_core:snowblock", "mcl_core:dirt_with_grass_snow"})
if #surface < 25 then return end
-- Check for collision with spruce
local spruce_collisions = minetest_find_nodes_in_area({x=p.x+1,y=p.y+1,z=p.z+1}, {x=p.x+6, y=p.y+6, z=p.z+6}, {"mcl_core:sprucetree", "mcl_core:spruceleaves"})
if #spruce_collisions > 0 then return end
mcl_structures.call_struct(p, "ice_spike_small", nil, pr)
return true
end
local function spawn_spikes_in_v6(p, nn, pr)
-- In other mapgens, ice spikes are generated as decorations.
-- if chunk_has_igloo or nn ~= "mcl_core:snowblock" then return end
if nn ~= "mcl_core:snowblock" then return end
local spike = pr:next(1,58000)
if spike < 3 then
return spawn_ice_spike_large(p, pr)
elseif spike < 100 then
return spawn_ice_spike_small(p, pr)
end
end
local function generate_structures(vm_context)
local pr = PcgRandom(vm_context.chunkseed)
-- chunk_has_desert_struct = false
-- chunk_has_desert_temple = false
local minp, maxp = vm_context.minp, vm_context.maxp
perlin_structures = perlin_structures or minetest.get_perlin(329, 3, 0.6, 100)
-- Assume X and Z lengths are equal
local DIVLEN = 5
for x0 = minp.x, maxp.x, DIVLEN do for z0 = minp.z, maxp.z, DIVLEN do
-- Determine amount from perlin noise
-- Find random positions based on this random
local p, ground_y, nn
for i = 0, 24 do
--for i=0, amount do
-- p = {x = pr:next(x0, x0 + DIVLEN - 1), y = 0, z = pr:next(z0, z0 + DIVLEN - 1)}
p = {x = x0 + i % 5, z = z0 + math_floor(i/5)}
p, ground_y, nn = determine_ground_level(p, vm_context)
if ground_y then
p.y = ground_y + 1
local nn0 = minetest.get_node(p).name
-- Check if the node can be replaced
if minetest.registered_nodes[nn0] and minetest.registered_nodes[nn0].buildable_to then
if V6 then
spawn_spikes_in_v6(p, nn, pr, vm_context)
end
end
end
end
end end
return vm_context
end
local function generate_end_structures(vm_context)
local minp, maxp = vm_context.minp, vm_context.maxp
if minp.y <= END_EXIT_PORTAL_POS.y and maxp.y >= END_EXIT_PORTAL_POS.y
and minp.x <= END_EXIT_PORTAL_POS.x and maxp.x >= END_EXIT_PORTAL_POS.x
and minp.z <= END_EXIT_PORTAL_POS.z and maxp.z >= END_EXIT_PORTAL_POS.z
then
local p = {x=END_EXIT_PORTAL_POS.x, z=END_EXIT_PORTAL_POS.z}
for y = maxp.y, minp.y, -1 do
p.y = y
if minetest.get_node(p).name == "mcl_end:end_stone" then
mcl_mapgen_core.generate_end_exit_portal(p)
break
end
end
end
return vm_context
end
if not mcl_mapgen.singlenode then
mcl_mapgen.register_mapgen(function(minp, maxp, seed, vm_context)
-- mcl_mapgen.register_on_generated(function(vm_context)
-- local minp, maxp = vm_context.minp, vm_context.maxp
local minp, maxp = minp, maxp
local minp_y, maxp_y = minp.y, maxp.y
generate_structures(vm_context)
-- if maxp_y >= OVERWORLD_STRUCT_MIN and minp_y <= OVERWORLD_STRUCT_MAX then
-- return generate_structures(vm_context)
-- End exit portal
-- elseif maxp_y >= END_STRUCT_MIN and minp_y <= END_STRUCT_MAX then
-- return generate_end_structures(vm_context)
-- end
-- return vm_context
end)
end

View File

@ -0,0 +1,40 @@
local modname = minetest.get_current_modname()
local modpath = minetest.get_modpath(modname)
local END_EXIT_PORTAL_POS_X = -3
local END_EXIT_PORTAL_POS_Y = -27003
local END_EXIT_PORTAL_POS_Z = -3
local p = {
x = END_EXIT_PORTAL_POS_X,
y = END_EXIT_PORTAL_POS_Y,
z = END_EXIT_PORTAL_POS_Z,
}
local schematic = modpath .. "/schematics/mcl_structures_end_exit_portal.mts"
local function place(pos, rotation, pr)
mcl_structures.place_schematic({pos = pos, schematic = schematic, rotation = rotation, pr = pr})
end
mcl_mapgen.register_mapgen(function(minp, maxp, seed, vm_context)
local minp = minp
local y1 = minp.y
if y1 < END_EXIT_PORTAL_POS_Y then return end
local maxp = maxp
local y2 = maxp.y
if y2 > END_EXIT_PORTAL_POS_Y then return end
if minp.x < END_EXIT_PORTAL_POS_X then return end
if maxp.x > END_EXIT_PORTAL_POS_X then return end
if minp.z < END_EXIT_PORTAL_POS_Z then return end
if maxp.z > END_EXIT_PORTAL_POS_Z then return end
for y = y2, y1, -1 do
p.y = y
if minetest.get_node(p).name == "mcl_end:end_stone" then
place(p, "0", PseudoRandom(vm_content.chunkseed))
return
end
end
end)
mcl_structures.register_structure({name = "end_exit_portal", place_function = place})

View File

@ -4,6 +4,7 @@ local modpath = minetest.get_modpath(modname)
if not mcl_mapgen.singlenode then
dofile(modpath .. "/desert_temple.lua")
dofile(modpath .. "/desert_well.lua")
dofile(modpath .. "/end_exit_portal.lua")
dofile(modpath .. "/fossil.lua")
dofile(modpath .. "/igloo.lua")
dofile(modpath .. "/ice_spike_small.lua")