114 lines
5.4 KiB
C++
114 lines
5.4 KiB
C++
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// Trees.h
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// Interfaces to helper functions used for generating trees
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/*
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Note that all of these functions must generate the same tree image for the same input (x, y, z, seq)
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- cStructGenTrees depends on this
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To generate a random image for the (x, y, z) coords, pass an arbitrary value as (seq).
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Each function returns two arrays of blocks, "logs" and "other". The point is that logs are of higher priority,
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logs can overwrite others(leaves), but others shouldn't overwrite logs. This is an optimization for the generator.
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*/
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#pragma once
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#include "../ChunkDef.h"
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#include "../Noise/Noise.h"
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class cWorld;
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// Blocks that don't block tree growth:
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#define CASE_TREE_ALLOWED_BLOCKS \
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case E_BLOCK_AIR: \
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case E_BLOCK_LEAVES: \
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case E_BLOCK_NEW_LEAVES: \
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case E_BLOCK_SNOW: \
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case E_BLOCK_TALL_GRASS: \
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case E_BLOCK_DEAD_BUSH: \
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case E_BLOCK_SAPLING: \
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case E_BLOCK_VINES
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// Blocks that a tree may overwrite when growing:
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#define CASE_TREE_OVERWRITTEN_BLOCKS \
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case E_BLOCK_AIR: \
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/* case E_BLOCK_LEAVES: LEAVES are a special case, they can be overwritten only by log. Handled in cChunkMap::ReplaceTreeBlocks(). */ \
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case E_BLOCK_SNOW: \
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case E_BLOCK_TALL_GRASS: \
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case E_BLOCK_BIG_FLOWER: \
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case E_BLOCK_DEAD_BUSH: \
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case E_BLOCK_SAPLING: \
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case E_BLOCK_VINES
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/** Generates an image of a tree at the specified coords (lowest trunk block) in the specified biome */
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void GetTreeImageByBiome(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, EMCSBiome a_Biome, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks);
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/** Generates an image of a random apple tree */
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void GetAppleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks);
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/** Generates an image of a small (nonbranching) apple tree */
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void GetSmallAppleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks);
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/** Generates an image of a large (branching) apple tree */
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void GetLargeAppleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks);
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/** Generates a branch for a large apple tree */
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void GetLargeAppleTreeBranch(int a_BlockX, int a_BlockY, int a_BlockZ, int a_BranchLength, Vector3d a_StartDirection, Vector3d a_Direction, int a_TreeHeight, cNoise & a_Noise, sSetBlockVector & a_LogBlocks);
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/** Returns the meta for a log from the given direction */
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NIBBLETYPE GetLogMetaFromDirection(NIBBLETYPE a_BlockMeta, Vector3d a_Direction);
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/** Generates an image of a random birch tree */
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void GetBirchTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks);
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/** Generates an image of a random acacia tree */
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void GetAcaciaTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks);
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/** Generates an image of a random darkoak tree */
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void GetDarkoakTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks);
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/** Generates an image of a random large birch tree */
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void GetTallBirchTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks);
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/** Generates an image of a random conifer tree */
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void GetConiferTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks);
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/** Generates an image of a random spruce (short conifer, two layers of leaves) */
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void GetSpruceTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks);
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/** Generates an image of a random pine (tall conifer, little leaves at top) */
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void GetPineTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks);
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/** Generates an image of a random swampland tree */
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void GetSwampTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks);
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/** Generates an image of a random apple bush (for jungles) */
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void GetAppleBushImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks);
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/** Generates an image of a random jungle tree */
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void GetJungleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks, bool a_Large);
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/** Generates an image of a large jungle tree (2x2 trunk) */
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void GetLargeJungleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks);
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/** Generates an image of a small jungle tree (1x1 trunk) */
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void GetSmallJungleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks);
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/** Moves the x and z coordinants to the north-west corner of a 2x2 of saplings. Returns true if a 2x2 was found, otherwise it returns false */
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bool GetLargeTreeAdjustment(cWorld & a_World, int & a_X, int & a_Y, int & a_Z, NIBBLETYPE a_Meta);
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