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authorAlexander Harkness <bearbin@gmail.com>2013-11-24 15:19:41 +0100
committerAlexander Harkness <bearbin@gmail.com>2013-11-24 15:19:41 +0100
commit675b4aa878f16291ce33fced48a2bc7425f635ae (patch)
tree409914df27a98f65adf866da669429c4de141b6f /src/Generating/Trees.h
parentLineBlockTracer: Using the coord-based block faces. (diff)
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+
+// 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 "../Noise.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);
+
+
+
+
+