First (non-functional) cut at the layer wrapping code. Added some
additional hooks to control the core, overriding bedrock and skyrock generation. Shadow caster can now be enabled/ disabled.
This commit is contained in:
parent
e369d9ceab
commit
e29ad477ea
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@ -2,6 +2,7 @@
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multi_map.number_of_layers = 24 -- How may layers to generate
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multi_map.layers_start_chunk = 0 -- Y level where to start generating layers, in chunks
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multi_map.layer_height_chunks = 32 -- Height of each layer, in chunks
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multi_map.wrap_layers = false
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-- Either MT engine defaults or derived from above values, to be used for more readable calculations
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multi_map.layer_height = nil
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@ -17,9 +18,14 @@ multi_map.map_max = 30927
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multi_map.bedrock = "multi_map_core:bedrock" -- Node to use to fill the bottom of a layer
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multi_map.skyrock = "multi_map_core:skyrock" -- Node to use to fill the top of a layer
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-- Whether to generate a bedrock layer under a layer/ skyrock above a layer
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-- Whether to generate a bedrock layer under a layer/ skyrock above a layer/ shadow caster
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-- above undeground mapchunks
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multi_map.generate_bedrock = true
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multi_map.generate_skyrock = true
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multi_map.generate_shadow_caster = true
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multi_map.override_bedrock_generator = nil
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multi_map.override_skyrock_generator = nil
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-- Table with generator chains
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multi_map.generators = {}
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@ -148,7 +154,9 @@ function multi_map.register_global_2dmap(name, params)
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spread = {x=params.spread.x, y=params.spread.y, z=params.spread.z},
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seed = math.random(-1000000000000, 1000000000000),
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octaves = params.octaves,
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persist = params.persist
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persist = params.persist,
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lacunarity = params.lacunarity,
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flags = params.flags,
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}
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multi_map.global_2d_params[name][i] = new_params
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end
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@ -159,23 +167,30 @@ end
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-- chulenxz = chunk length in 2 dimensions (xz)
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-- minposxz = minimum 2D position (xz)
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-- current layer = the layer for which to retrieve the map or nil to use multi_map's current layer
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function multi_map.get_global_2dmap_flat(name, chulenxz, minposxz, current_layer)
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function multi_map.get_global_2dmap_flat(name, chulenxz, minposxz, layer)
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if not multi_map.global_2d_map_arrays[name] then
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minetest.log("error", "[multi_map] Trying to get an unregistered global 2D map")
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end
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if multi_map.wrap_layers then
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if layer then
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map_cache[name] = multi_map.get_mixed_2dnoise_flat(name, chulenxz, minposxz, layer)
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else
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map_cache[name] = multi_map.get_mixed_2dnoise_flat(name, chulenxz, minposxz, multi_map.current_layer)
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end
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end
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if not map_cache[name] then
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if not current_layer then
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if not layer then
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if multi_map.current_layer ~= last_used_layer then
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multi_map.global_2d_maps[name] = minetest.get_perlin_map(multi_map.global_2d_params[name][multi_map.current_layer], chulenxz)
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end
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map_cache[name] = multi_map.global_2d_maps[name]:get2dMap_flat(minposxz, multi_map.global_2d_map_arrays[name][multi_map.current_layer])
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return map_cache[name]
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else
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if current_layer ~= last_used_layer then
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multi_map.global_2d_maps[name] = minetest.get_perlin_map(multi_map.global_2d_params[name][current_layer], chulenxz)
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if layer ~= last_used_layer then
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multi_map.global_2d_maps[name] = minetest.get_perlin_map(multi_map.global_2d_params[name][layer], chulenxz)
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end
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map_cache[name] = multi_map.global_2d_maps[name]:get2dMap_flat(minposxz, multi_map.global_2d_map_arrays[name][current_layer])
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map_cache[name] = multi_map.global_2d_maps[name]:get2dMap_flat(minposxz, multi_map.global_2d_map_arrays[name][layer])
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end
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end
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@ -405,11 +420,18 @@ minetest.register_on_generated(function(minp, maxp)
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local area = VoxelArea:new({MinEdge = emin, MaxEdge = emax})
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local vm_data = vm:get_data()
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local skip = false
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if multi_map.override_bedrock_generator then
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skip = multi_map.override_bedrock_generator(multi_map.current_layer, vm, area, vm_data, minp, maxp, offset_minp, offset_maxp)
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end
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if not skip then
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multi_map.generate_singlenode_chunk(minp, maxp, area, vm_data, multi_map.node[multi_map.bedrock])
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vm:set_data(vm_data)
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vm:calc_lighting(false)
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vm:write_to_map(false)
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end
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elseif multi_map.generate_skyrock
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and (multi_map.map_min + multi_map.layers_start + (multi_map.layer_height * (multi_map.current_layer + 1)) - 80 == minp.y or
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multi_map.map_min + multi_map.layers_start + (multi_map.layer_height * (multi_map.current_layer + 1)) - 160 == minp.y
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@ -419,12 +441,19 @@ minetest.register_on_generated(function(minp, maxp)
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local area = VoxelArea:new({MinEdge = emin, MaxEdge = emax})
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local vm_data = vm:get_data()
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local skip = false
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if multi_map.override_skyrock_generator then
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skip = multi_map.override_skyrock_generator(multi_map.current_layer, vm, area, vm_data, minp, maxp, offset_minp, offset_maxp)
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end
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if not skip then
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multi_map.generate_singlenode_chunk(minp, maxp, area, vm_data, multi_map.node[multi_map.skyrock])
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vm:set_lighting({day=15, night=0})
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vm:set_data(vm_data)
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vm:calc_lighting(false)
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vm:write_to_map(false)
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end
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else
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local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
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local area = VoxelArea:new({MinEdge = emin, MaxEdge = emax})
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@ -432,7 +461,7 @@ minetest.register_on_generated(function(minp, maxp)
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local remove_shadow_caster = false
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-- Add a temporary stone layer above the chunk to ensure caves are dark
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if multi_map.get_absolute_centerpoint() >= maxp.y then
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if multi_map.generate_shadow_caster and multi_map.get_absolute_centerpoint() >= maxp.y then
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if vm_data[area:index(minp.x, maxp.y + 1, minp.z)] == multi_map.node["ignore"] then
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remove_shadow_caster = true
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multi_map.generate_singlenode_plane(minp, maxp, area, vm_data, maxp.y + 1, multi_map.node["multi_map_core:shadow_caster"])
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@ -5,6 +5,7 @@ function multi_map.log_state()
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minetest.log("action", "[multi_map] - Number of layers: "..multi_map.number_of_layers)
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minetest.log("action", "[multi_map] - Layers start at: "..(multi_map.map_min + multi_map.layers_start))
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minetest.log("action", "[multi_map] - Layer height: "..multi_map.layer_height)
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minetest.log("action", "[multi_map] - Wrap layers: "..tostring(multi_map.wrap_layers))
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minetest.log("action", "[multi_map] - HUD enabled: "..tostring(multi_map.hud.enabled))
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minetest.log("action", "[multi_map]")
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@ -10,6 +10,7 @@ local multi_map_core_path = minetest.get_modpath("multi_map_core")
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-- The various sourced files contain the remainder of the API, the
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-- settings, node definitions and other core/ helper functionality
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dofile(multi_map_core_path.."/core.lua")
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dofile(multi_map_core_path.."/noise_mixer.lua")
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dofile(multi_map_core_path.."/debug.lua")
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dofile(multi_map_core_path.."/nodes.lua")
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dofile(multi_map_core_path.."/hud.lua")
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@ -0,0 +1,204 @@
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multi_map.world_edge = {
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NEGATIVE_X = 1,
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POSITIVE_X = 2,
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NEGATIVE_Z = 3,
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POSITIVE_Z = 4,
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}
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multi_map.linked_layers = {}
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function multi_map.register_linked_layer(source_layer, edge, target_layer, link_back)
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if not multi_map.linked_layers[source_layer] then
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multi_map.linked_layers[source_layer] = {}
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end
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if not multi_map.linked_layers[target_layer] then
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multi_map.linked_layers[target_layer] = {}
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end
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if link_back == nil then
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link_back = true
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end
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if multi_map.world_edge.NEGATIVE_X == edge then
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multi_map.linked_layers[source_layer][multi_map.world_edge.NEGATIVE_X] = target_layer
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if link_back then
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multi_map.linked_layers[target_layer][multi_map.world_edge.POSITIVE_X] = source_layer
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end
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elseif multi_map.world_edge.POSITIVE_X == edge then
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multi_map.linked_layers[source_layer][multi_map.world_edge.POSITIVE_X] = target_layer
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if link_back then
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multi_map.linked_layers[target_layer][multi_map.world_edge.NEGATIVE_X] = source_layer
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end
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elseif multi_map.world_edge.NEGATIVE_Z == edge then
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multi_map.linked_layers[source_layer][multi_map.world_edge.NEGATIVE_Z] = target_layer
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if link_back then
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multi_map.linked_layers[target_layer][multi_map.world_edge.POSITIVE_Z] = source_layer
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end
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elseif multi_map.world_edge.POSITIVE_Z == edge then
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multi_map.linked_layers[source_layer][multi_map.world_edge.POSITIVE_Z] = target_layer
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if link_back then
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multi_map.linked_layers[target_layer][multi_map.world_edge.NEGATIVE_Z] = source_layer
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end
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end
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end
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function multi_map.get_linked_layer(layer, edge)
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if multi_map.linked_layers[layer] then
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return multi_map.linked_layers[layer][edge]
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end
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end
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function multi_map.get_which_world_edge(pos)
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if pos.x < -30912 + 160 then
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return multi_map.world_edge.NEGATIVE_X
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elseif pos.x > 30927 - 160 then
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return multi_map.world_edge.POSITIVE_X
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elseif pos.y < -30912 + 160 then
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return multi_map.world_edge.NEGATIVE_Z
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elseif pos.y > 30927 - 160 then
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return multi_map.world_edge.POSITIVE_Z
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else
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return nil
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end
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end
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function multi_map.in_mixing_area(pos)
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if pos.x < -30912 + 160 or pos.x > 30927 - 160 or
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pos.y < -30912 + 160 or pos.y > 30927 - 160 then
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return true
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else
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return false
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end
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end
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function multi_map.in_mirrored_area(pos)
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if pos.x < -30912 + 80 or pos.x > 30927 - 80 or
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pos.y < -30912 + 80 or pos.y > 30927 - 80 then
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return true
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else
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return false
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end
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end
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-- Current
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-- 160 80
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-- [ ] [ ]
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-- [ L ] [ M ]
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-- [ ] [ ]
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-- Opposite
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-- 0 80
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-- [ ] [ ]
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-- [ L ] [ M ]
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-- [ ] [ ]
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function multi_map.get_mixed_2dnoise_flat(name, chulenxz, minposxz, layer)
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local edge = multi_map.get_which_world_edge(minposxz)
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if edge == nil then
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return
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end
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local target_layer = multi_map.get_linked_layer(layer, edge)
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if not target_layer then
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return nil
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end
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local opposite_minposxz = { x = minposxz.x, y = minposxz.y }
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if multi_map.in_mirrored_area(minposxz) then
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if multi_map.world_edge.NEGATIVE_X == edge then
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opposite_minposxz.x = 30927 - 160
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elseif multi_map.world_edge.POSITIVE_X == edge then
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opposite_minposxz.x = -30912 + 160
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elseif multi_map.world_edge.NEGATIVE_Z == edge then
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opposite_minposxz.y = 30927 - 160
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elseif multi_map.world_edge.POSITIVE_Z == edge then
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opposite_minposxz.y = -30912 + 160
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end
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local noise1 = minetest.get_perlin_map(multi_map.global_2d_params[name][layer], chulenxz)
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local noise2 = minetest.get_perlin_map(multi_map.global_2d_params[name][target_layer], chulenxz)
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local map1 = noise1:get2dMap_flat(minposxz)
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local map2 = noise2:get2dMap_flat(opposite_minposxz)
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if multi_map.world_edge.NEGATIVE_X == edge then
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return multi_map.mix_noise_map_x(map1, map2, opposite_minposxz)
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elseif multi_map.world_edge.POSITIVE_X == edge then
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return multi_map.mix_noise_map_x(map2, map1, opposite_minposxz)
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elseif multi_map.world_edge.NEGATIVE_Z == edge then
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return multi_map.mix_noise_map_z(map1, map2, opposite_minposxz)
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elseif multi_map.world_edge.POSITIVE_Z == edge then
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return multi_map.mix_noise_map_x(map2, map1, opposite_minposxz)
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end
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elseif multi_map.in_mixing_area(minposxz) then
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if multi_map.world_edge.NEGATIVE_X == edge then
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opposite_minposxz.x = 30927 - 80
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elseif multi_map.world_edge.POSITIVE_X == edge then
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opposite_minposxz.x = -30912 + 80
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elseif multi_map.world_edge.NEGATIVE_Z == edge then
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opposite_minposxz.y = 30927 - 80
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elseif multi_map.world_edge.POSITIVE_Z == edge then
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opposite_minposxz.y = -30912 + 80
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end
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local noise1 = minetest.get_perlin_map(multi_map.global_2d_params[name][layer], chulenxz)
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local noise2 = minetest.get_perlin_map(multi_map.global_2d_params[name][target_layer], chulenxz)
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local map1 = noise1:get2dMap_flat(minposxz)
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local map2 = noise2:get2dMap_flat(opposite_minposxz)
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if multi_map.world_edge.NEGATIVE_X == edge then
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return multi_map.mix_noise_map_x(map2, map1, minposxz)
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elseif multi_map.world_edge.POSITIVE_X == edge then
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return multi_map.mix_noise_map_x(map1, map2, minposxz)
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elseif multi_map.world_edge.NEGATIVE_Z == edge then
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return multi_map.mix_noise_map_z(map2, map1, minposxz)
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elseif multi_map.world_edge.POSITIVE_Z == edge then
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return multi_map.mix_noise_map_x(map1, map2, minposxz)
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end
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else
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return nil
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end
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end
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function multi_map.mix_noise_map_x(map1, map2, minposxz)
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local new_map = {}
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local nixz = 1
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for y = minposxz.y, minposxz.y + 79 do
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local weight_index = 1
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for x = minposxz.x, minposxz.x + 79 do
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new_map[nixz] = ( map1[nixz] * (1 - (weight_index / 80)) ) + ( map2[nixz] * (weight_index / 80) )
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nixz = nixz + 1
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weight_index = weight_index + 1
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end
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end
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return new_map
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end
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function multi_map.mix_noise_map_z(map1, map2, minposxz)
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local new_map = {}
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local nixz = 1
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for y = minposxz.y, minposxz.y + 80 do
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local weight_index = 1
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for x = minposxz.x, minposxz.x + 80 do
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new_map[nixz] = ( map1[nixz] * (1 - (weight_index / 160)) ) + ( map2[nixz] * (weight_index / 160) )
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nixz = nixz + 1
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end
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weight_index = weight_index + 1
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nixz = nixz - 80
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end
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return new_map
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end
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@ -3,7 +3,7 @@ local multi_map_generators_path = minetest.get_modpath("multi_map_generators")
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dofile(multi_map_generators_path.."/mmgen_levels.lua")
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--dofile(multi_map_generators_path.."/mmgen_lvm_example.lua")
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dofile(multi_map_generators_path.."/mmgen_simple.lua")
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--dofile(multi_map_generators_path.."/mmgen_testauri.lua")
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dofile(multi_map_generators_path.."/mmgen_testauri.lua")
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--multi_map.register_fallback_generator("Default Simple", mmgen_simple.generate)
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--multi_map.register_generator(9, mmgen_simple.generate, "default:sandstone")
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@ -16,8 +16,19 @@ dofile(multi_map_generators_path.."/mmgen_simple.lua")
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multi_map.number_of_layers = 38
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multi_map.layers_start_chunk = 0
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multi_map.layer_height_chunks = 20
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multi_map.wrap_layers = true
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multi_map.register_fallback_generator("Default Levels", mmgen_levels.generate)
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multi_map.register_generator(19, mmgen_levels.generate)
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multi_map.set_layer_name(19, "Central Layer")
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multi_map.set_layer_name(20, "Remote Levels Land")
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multi_map.register_fallback_generator(mmgen_simple.generate)
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multi_map.register_generator(18, mmgen_testauri.generate)
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multi_map.register_generator(19, mmgen_testauri.generate)
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multi_map.register_generator(20, mmgen_testauri.generate)
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--multi_map.register_linked_layer(19, multi_map.world_edge.POSITIVE_X, 20, true)
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--multi_map.register_linked_layer(19, multi_map.world_edge.NEGATIVE_X, 18, true)
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--multi_map.register_generator(9, mmgen_simple.generate, { nodetype = "default:sandstone", height = 0 })
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--multi_map.register_generator(9, mmgen_simple.generate, { nodetype = "default:sandstone", height = 1 })
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--multi_map.register_fallback_generator("Default Levels", mmgen_levels.generate)
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--multi_map.register_generator(19, mmgen_levels.generate)
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||||
--multi_map.set_layer_name(19, "Central Layer")
|
||||
--multi_map.set_layer_name(20, "Remote Levels Land")
|
||||
|
|
|
|||
|
|
@ -1,6 +1,10 @@
|
|||
mmgen_simple = {}
|
||||
|
||||
function mmgen_simple.generate(current_layer, vm, area, vm_data, minp, maxp, offset_minp, offset_maxp, nodetype)
|
||||
function mmgen_simple.generate(current_layer, vm, area, vm_data, minp, maxp, offset_minp, offset_maxp, params)
|
||||
|
||||
local nodetype = params.nodetype
|
||||
local height = params.height
|
||||
|
||||
local c_ground
|
||||
if nodetype then
|
||||
c_ground = multi_map.node[nodetype]
|
||||
|
|
@ -8,7 +12,7 @@ function mmgen_simple.generate(current_layer, vm, area, vm_data, minp, maxp, off
|
|||
c_ground = multi_map.node["default:stone"]
|
||||
end
|
||||
|
||||
if offset_minp.y >= 0 then
|
||||
if offset_minp.y >= height then
|
||||
multi_map.generate_singlenode_chunk(minp, maxp, area, vm_data, multi_map.node["air"])
|
||||
else
|
||||
multi_map.generate_singlenode_chunk(minp, maxp, area, vm_data, c_ground)
|
||||
|
|
|
|||
|
|
@ -93,6 +93,7 @@ local perlin_worm_start_params = {
|
|||
function mmgen_testauri.generate(current_layer, vm, area, vm_data, minp, maxp, offset_minp, offset_maxp)
|
||||
local sidelen = maxp.x - minp.x + 1
|
||||
local blocklen = sidelen / 5
|
||||
|
||||
--3d
|
||||
local chulenxyz = {x = sidelen, y = sidelen, z = sidelen}
|
||||
--2d
|
||||
|
|
|
|||
Loading…
Reference in New Issue