mirror of
https://git.minetest.land/VoxeLibre/VoxeLibre.git
synced 2024-11-24 11:31:09 +01:00
147 lines
4.1 KiB
Lua
147 lines
4.1 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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local function run_generators (p1, p2, blockseed)
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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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end
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local function update_data (vm, data, data2)
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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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end
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local function post_generator_processing(vm, minp, maxp, deco_used, deco_table, ore_used, ore_table)
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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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if ore_table then
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minetest.generate_ores(vm,vector.new(minp.x,ore_table.min,minp.z),vector.new(maxp.x,ore_table.max,maxp.z))
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elseif ore_used then
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minetest.generate_ores(vm)
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end
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end
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local function post_generator_processing_2(vm, p1, p2, shadow)
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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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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, ore_used, ore_table = false, false, 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, ore = 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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if ore and type(ore) == "table" then
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ore_table = ore
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elseif deco then
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ore_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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update_data (vm, data, data2)
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post_generator_processing(vm, minp, maxp, deco_used, deco_table, ore_used, ore_table)
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post_generator_processing_2(vm, p1, p2, shadow)
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end
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end
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run_generators (p1, p2, blockseed)
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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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