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Merge pull request #481 from MikeHunsinger/master

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Added function to create large birch tree images in birch forests
This commit is contained in:
Mattes D 2013-12-29 00:04:08 -08:00
commit d40ed86907
2 changed files with 49 additions and 3 deletions
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49
src/Generating/Trees.cpp
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@ -216,7 +216,14 @@ void GetTreeImageByBiome(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_No
GetBirchTreeImage(a_BlockX, a_BlockY, a_BlockZ, a_Noise, a_Seq, a_LogBlocks, a_OtherBlocks);
break;
}
case biBirchForestM:
case biBirchForestHillsM:
{
GetTallBirchTreeImage(a_BlockX, a_BlockY, a_BlockZ, a_Noise, a_Seq, a_LogBlocks, a_OtherBlocks);
break;
}
case biRoofedForest:
case biColdTaiga:
case biColdTaigaHills:
@ -237,8 +244,6 @@ void GetTreeImageByBiome(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_No
case biIcePlainsSpikes:
case biJungleM:
case biJungleEdgeM:
case biBirchForestM:
case biBirchForestHillsM:
case biRoofedForestM:
case biColdTaigaM:
case biMegaSpruceTaiga:
@ -377,6 +382,44 @@ void GetBirchTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Nois
void GetTallBirchTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks)
{
int Height = 9 + (a_Noise.IntNoise3DInt(a_BlockX + 64 * a_Seq, a_BlockY, a_BlockZ) % 3);
// Prealloc, so that we don't realloc too often later:
a_LogBlocks.reserve(Height);
a_OtherBlocks.reserve(80);
// The entire trunk, out of logs:
for (int i = Height - 1; i >= 0; --i)
{
a_LogBlocks.push_back(sSetBlock(a_BlockX, a_BlockY + i, a_BlockZ, E_BLOCK_LOG, E_META_LOG_BIRCH));
}
int h = a_BlockY + Height;
// Top layer - just the Plus:
PushCoordBlocks(a_BlockX, h, a_BlockZ, a_OtherBlocks, BigO1, ARRAYCOUNT(BigO1), E_BLOCK_LEAVES, E_META_LEAVES_BIRCH);
a_OtherBlocks.push_back(sSetBlock(a_BlockX, h, a_BlockZ, E_BLOCK_LEAVES, E_META_LEAVES_BIRCH)); // There's no log at this layer
h--;
// Second layer - log, Plus and maybe Corners:
PushCoordBlocks (a_BlockX, h, a_BlockZ, a_OtherBlocks, BigO1, ARRAYCOUNT(BigO1), E_BLOCK_LEAVES, E_META_LEAVES_BIRCH);
PushCornerBlocks(a_BlockX, h, a_BlockZ, a_Seq, a_Noise, 0x5fffffff, a_OtherBlocks, 1, E_BLOCK_LEAVES, E_META_LEAVES_BIRCH);
h--;
// Third and fourth layers - BigO2 and maybe 2*Corners:
for (int Row = 0; Row < 2; Row++)
{
PushCoordBlocks (a_BlockX, h, a_BlockZ, a_OtherBlocks, BigO2, ARRAYCOUNT(BigO2), E_BLOCK_LEAVES, E_META_LEAVES_BIRCH);
PushCornerBlocks(a_BlockX, h, a_BlockZ, a_Seq, a_Noise, 0x3fffffff + Row * 0x10000000, a_OtherBlocks, 2, E_BLOCK_LEAVES, E_META_LEAVES_BIRCH);
h--;
} // for Row - 2*
}
void GetConiferTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a_Noise, int a_Seq, sSetBlockVector & a_LogBlocks, sSetBlockVector & a_OtherBlocks)
{
// Half chance for a spruce, half for a pine:

3
src/Generating/Trees.h
View File

@ -63,6 +63,9 @@ void GetLargeAppleTreeImage(int a_BlockX, int a_BlockY, int a_BlockZ, cNoise & a
/// 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 large birch tree
void GetTallBirchTreeImage(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);