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Diffstat (limited to 'source/Generating/Trees.h')
| -rw-r--r-- | source/Generating/Trees.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/source/Generating/Trees.h b/source/Generating/Trees.h new file mode 100644 index 000000000..d3e76a78c --- /dev/null +++ b/source/Generating/Trees.h @@ -0,0 +1,93 @@ + +// Trees.h + +// Interfaces to helper functions used for generating trees + +/* +Note that all of these functions must generate the same tree image for the same input (x, y, z, seq) + - cStructGenTrees depends on this +To generate a random image for the (x, y, z) coords, pass an arbitrary value as (seq). +Each function returns two arrays of blocks, "logs" and "other". The point is that logs are of higher priority, +logs can overwrite others(leaves), but others shouldn't overwrite logs. This is an optimization for the generator. +*/ + + + + + +#pragma once + +#include "../ChunkDef.h" +#include "../cNoise.h" + + + + + +// Blocks that don't block tree growth: +#define CASE_TREE_ALLOWED_BLOCKS \ + case E_BLOCK_AIR: \ + case E_BLOCK_LEAVES: \ + case E_BLOCK_SNOW: \ + case E_BLOCK_TALL_GRASS: \ + case E_BLOCK_DEAD_BUSH: \ + case E_BLOCK_SAPLING: \ + case E_BLOCK_VINES + +// Blocks that a tree may overwrite when growing: +#define CASE_TREE_OVERWRITTEN_BLOCKS \ + case E_BLOCK_AIR: \ + /* case E_BLOCK_LEAVES: LEAVES are a special case, they can be overwritten only by log. Handled in cChunkMap::ReplaceTreeBlocks(). */ \ + case E_BLOCK_SNOW: \ + case E_BLOCK_TALL_GRASS: \ + case E_BLOCK_DEAD_BUSH: \ + case E_BLOCK_SAPLING: \ + case E_BLOCK_VINES + + + + + +/// Generates an image of a tree at the specified coords (lowest trunk block) in the specified biome +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); + +/// Generates an image of a random apple tree +void GetAppleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks); + +/// Generates an image of a small (nonbranching) apple tree +void GetSmallAppleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks); + +/// Generates an image of a large (branching) apple tree +void GetLargeAppleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks); + +/// Generates an image of a random birch tree +void GetBirchTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks); + +/// Generates an image of a random conifer tree +void GetConiferTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks); + +/// Generates an image of a random spruce (short conifer, two layers of leaves) +void GetSpruceTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks); + +/// Generates an image of a random pine (tall conifer, little leaves at top) +void GetPineTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks); + +/// Generates an image of a random swampland tree +void GetSwampTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks); + +/// Generates an image of a random apple bush (for jungles) +void GetAppleBushImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks); + +/// Generates an image of a random jungle tree +void GetJungleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks); + +/// Generates an image of a large jungle tree (2x2 trunk) +void GetLargeJungleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks); + +/// Generates an image of a small jungle tree (1x1 trunk) +void GetSmallJungleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks); + + + + + |