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https://git.minetest.land/VoxeLibre/VoxeLibre.git
synced 2024-09-12 08:42:10 +02:00
this is a somewhat ugly hack that uses minetest.generate_decorations which generates decorations regardless of biome so additional steps had to be taken to ensure no other decorations "spill over" due to this.
120 lines
3.3 KiB
Lua
120 lines
3.3 KiB
Lua
local registered_generators = {}
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local lvm, nodes, param2 = 0, 0, 0
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local lvm_buffer = {}
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local logging = minetest.settings:get_bool("mcl_logging_mapgen",false)
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local function roundN(n, d)
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if type(n) ~= "number" then return n end
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local m = 10^d
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return math.floor(n * m + 0.5) / m
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end
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minetest.register_on_generated(function(minp, maxp, blockseed)
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local t1 = os.clock()
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local p1, p2 = {x=minp.x, y=minp.y, z=minp.z}, {x=maxp.x, y=maxp.y, z=maxp.z}
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if lvm > 0 then
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local lvm_used, shadow, deco_used, deco_table = false, false, false, false
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local lb2 = {} -- param2
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local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
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local e1, e2 = {x=emin.x, y=emin.y, z=emin.z}, {x=emax.x, y=emax.y, z=emax.z}
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local data2
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local data = vm:get_data(lvm_buffer)
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if param2 > 0 then
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data2 = vm:get_param2_data(lb2)
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end
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local area = VoxelArea:new({MinEdge=e1, MaxEdge=e2})
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for _, rec in ipairs(registered_generators) do
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if rec.vf then
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local lvm_used0, shadow0, deco = rec.vf(vm, data, data2, e1, e2, area, p1, p2, blockseed)
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if lvm_used0 then
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lvm_used = true
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end
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if shadow0 then
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shadow = true
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end
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if deco and type(deco) == "table" then
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deco_table = deco
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elseif deco then
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deco_used = true
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end
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end
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end
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if lvm_used then
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-- Write stuff
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vm:set_data(data)
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if param2 > 0 then
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vm:set_param2_data(data2)
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end
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if deco_table then
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minetest.generate_decorations(vm,vector.new(minp.x,deco_table.min,minp.z),vector.new(maxp.x,deco_table.max,maxp.z))
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elseif deco_used then
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minetest.generate_decorations(vm)
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end
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vm:calc_lighting(p1, p2, shadow)
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vm:write_to_map()
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vm:update_liquids()
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end
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end
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if nodes > 0 then
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for _, rec in ipairs(registered_generators) do
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if rec.nf then
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rec.nf(p1, p2, blockseed)
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end
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end
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end
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mcl_vars.add_chunk(minp)
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if logging then
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minetest.log("action", "[mcl_mapgen_core] Generating chunk " .. minetest.pos_to_string(minp) .. " ... " .. minetest.pos_to_string(maxp).."..."..tostring(roundN(((os.clock() - t1)*1000),2)).."ms")
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end
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end)
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function minetest.register_on_generated(node_function)
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mcl_mapgen_core.register_generator("mod_"..minetest.get_current_modname().."_"..tostring(#registered_generators+1), nil, node_function)
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end
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function mcl_mapgen_core.register_generator(id, lvm_function, node_function, priority, needs_param2)
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if not id then return end
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local priority = priority or 5000
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if lvm_function then lvm = lvm + 1 end
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if node_function then nodes = nodes + 1 end
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if needs_param2 then param2 = param2 + 1 end
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local new_record = {
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id = id,
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i = priority,
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vf = lvm_function,
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nf = node_function,
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needs_param2 = needs_param2,
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}
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table.insert(registered_generators, new_record)
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table.sort(registered_generators, function(a, b)
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return (a.i < b.i) or ((a.i == b.i) and a.vf and (b.vf == nil))
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end)
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end
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function mcl_mapgen_core.unregister_generator(id)
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local index
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for i, gen in ipairs(registered_generators) do
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if gen.id == id then
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index = i
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break
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end
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end
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if not index then return end
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local rec = registered_generators[index]
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table.remove(registered_generators, index)
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if rec.vf then lvm = lvm - 1 end
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if rec.nf then nodes = nodes - 1 end
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if rec.needs_param2 then param2 = param2 - 1 end
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--if rec.needs_level0 then level0 = level0 - 1 end
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end
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