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
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+++ b/Server/Plugins/APIDump/Hooks/OnChunkGenerated.lua
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+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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