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Diffstat (limited to 'Server/Plugins/APIDump/Hooks/OnChunkGenerated.lua')
| -rw-r--r-- | Server/Plugins/APIDump/Hooks/OnChunkGenerated.lua | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/Server/Plugins/APIDump/Hooks/OnChunkGenerated.lua b/Server/Plugins/APIDump/Hooks/OnChunkGenerated.lua new file mode 100644 index 000000000..64bfdad5c --- /dev/null +++ b/Server/Plugins/APIDump/Hooks/OnChunkGenerated.lua @@ -0,0 +1,67 @@ +return +{ + HOOK_CHUNK_GENERATED = + { + CalledWhen = "After a chunk was generated. Notification only.", + DefaultFnName = "OnChunkGenerated", -- also used as pagename + Desc = [[ + This hook is called when world generator finished its work on a chunk. The chunk data has already + been generated and is about to be stored in the {{cWorld|world}}. A plugin may provide some + last-minute finishing touches to the generated data. Note that the chunk is not yet stored in the + world, so regular {{cWorld}} block API will not work! Instead, use the {{cChunkDesc}} object + received as the parameter.</p> + <p> + See also the {{OnChunkGenerating|HOOK_CHUNK_GENERATING}} hook. + ]], + Params = + { + { Name = "World", Type = "{{cWorld}}", Notes = "The world to which the chunk will be added" }, + { Name = "ChunkX", Type = "number", Notes = "X-coord of the chunk" }, + { Name = "ChunkZ", Type = "number", Notes = "Z-coord of the chunk" }, + { Name = "ChunkDesc", Type = "{{cChunkDesc}}", Notes = "Generated chunk data. Plugins may still modify the chunk data contained." }, + }, + Returns = [[ + If the plugin returns false or no value, Cuberite will call other plugins' callbacks for this event. + If a plugin returns true, no other callback is called for this event.</p> + <p> + In either case, Cuberite will then store the data from ChunkDesc as the chunk's contents in the world. + ]], + CodeExamples = + { + { + Title = "Generate emerald ore", + Desc = "This example callback function generates one block of emerald ore in each chunk, under the condition that the randomly chosen location is in an ExtremeHills biome.", + Code = [[ +function OnChunkGenerated(a_World, a_ChunkX, a_ChunkZ, a_ChunkDesc) + -- Generate a psaudorandom value that is always the same for the same X/Z pair, but is otherwise random enough: + -- This is actually similar to how Cuberite does its noise functions + local PseudoRandom = (a_ChunkX * 57 + a_ChunkZ) * 57 + 19785486 + PseudoRandom = PseudoRandom * 8192 + PseudoRandom; + PseudoRandom = ((PseudoRandom * (PseudoRandom * PseudoRandom * 15731 + 789221) + 1376312589) % 0x7fffffff; + PseudoRandom = PseudoRandom / 7; + + -- Based on the PseudoRandom value, choose a location for the ore: + local OreX = PseudoRandom % 16; + local OreY = 2 + ((PseudoRandom / 16) % 20); + local OreZ = (PseudoRandom / 320) % 16; + + -- Check if the location is in ExtremeHills: + if (a_ChunkDesc:GetBiome(OreX, OreZ) ~= biExtremeHills) then + return false; + end + + -- Only replace allowed blocks with the ore: + local CurrBlock = a_ChunDesc:GetBlockType(OreX, OreY, OreZ); + if ( + (CurrBlock == E_BLOCK_STONE) or + (CurrBlock == E_BLOCK_DIRT) or + (CurrBlock == E_BLOCK_GRAVEL) + ) then + a_ChunkDesc:SetBlockTypeMeta(OreX, OreY, OreZ, E_BLOCK_EMERALD_ORE, 0); + end +end; + ]], + }, + } , -- CodeExamples + }, -- HOOK_CHUNK_GENERATED +}
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