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Add a LBM to fix grass palette indexes on older worlds

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This commit is contained in:
FossFanatic 2022-12-29 14:12:00 +00:00
parent c1cde073c8
commit 3afb42b2f7
1 changed files with 51 additions and 2 deletions
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53
mods/MAPGEN/mcl_mapgen_core/init.lua
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@ -289,6 +289,27 @@ local function set_palette(minp,maxp,data2,area,biomemap,nodes)
return lvm_used
end
local function set_palette(minp,maxp,data2,area,biomemap,nodes) -- Like set_palette, but to fix already set palletes.
-- Flat area at y=0 to read biome 3 times faster than 5.3.0.get_biome_data(pos).biome: 43us vs 125us per iteration:
if not biomemap then return end
local aream = VoxelArea:new({MinEdge={x=minp.x, y=0, z=minp.z}, MaxEdge={x=maxp.x, y=0, z=maxp.z}})
local nodes = minetest.find_nodes_in_area(minp, maxp, nodes)
for n=1, #nodes do
local n = nodes[n]
local p_pos = area:index(n.x, n.y, n.z)
local b_pos = aream:index(n.x, 0, n.z)
local bn = minetest.get_biome_name(biomemap[b_pos])
if bn then
local biome = minetest.registered_biomes[bn]
if biome and biome._mcl_biome_type then
data2[p_pos] = biome._mcl_grass_palette_index
lvm_used = true
end
end
end
return lvm_used
end
-- Below the bedrock, generate air/void
local function world_structure(vm, data, data2, emin, emax, area, minp, maxp, blockseed)
local biomemap --ymin, ymax
@ -349,8 +370,8 @@ local function block_fixes(vm, data, data2, emin, emax, area, minp, maxp, blocks
local lvm_used = false
local pr = PseudoRandom(blockseed)
if minp.y <= mcl_vars.mg_overworld_max and maxp.y >= mcl_vars.mg_overworld_min then
-- Set param2 (=color) of sugar cane and grass
lvm_used = set_palette(minp,maxp,data2,area,biomemap,{"mcl_core:reeds","mcl_core:dirt_with_grass","mcl_core:dirt_with_grass_snow"})
-- Set param2 (=color) of nodes that currently use the grass colour palette.
lvm_used = set_palette(minp,maxp,data2,area,biomemap,{"mcl_core:dirt_with_grass", "mcl_flowers:tallgrass", "mcl_flowers:double_grass", "mcl_flowers:double_grass_top", "mcl_flowers:fern", "mcl_flowers:double_fern", "mcl_flowers:double_fern_top", "mcl_core:reeds", "mcl_core:dirt_with_grass_snow"})
end
return lvm_used
end
@ -417,3 +438,31 @@ mcl_mapgen_core.register_generator("structures",nil, function(minp, maxp, blocks
end
return false, false, false
end, 100, true)
local DEFAULT_INDEX = 0
minetest.register_lbm({
label = "Fix grass palette indexes",
name = "mcl_mapgen_core:fix_grass_palette_indexes",
nodenames = {"mcl_core:dirt_with_grass", "mcl_flowers:tallgrass", "mcl_flowers:double_grass", "mcl_flowers:double_grass_top", "mcl_flowers:fern", "mcl_flowers:double_fern", "mcl_flowers:double_fern_top", "mcl_core:reeds", "mcl_core:dirt_with_grass_snow"},
run_at_every_load = true,
action = function(pos, node)
local biome_data = minetest.get_biome_data(pos)
if biome_data then
local biome = biome_data.biome
local biome_name = minetest.get_biome_name(biome)
local reg_biome = minetest.registered_biomes[biome_name]
if reg_biome then
node.param2 = reg_biome._mcl_grass_palette_index
-- Fall back to default palette index
if not node.param2 then
node.param2 = DEFAULT_INDEX
end
minetest.set_node(pos, node)
return
end
end
node.param2 = DEFAULT_INDEX
minetest.set_node(pos, node)
return
end,
})