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Generate cacti and sugarcane with different heights (#4137)

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When generating foliage, create cacti with height in the interval [1; MaxCactusHeight] and sugarcane with height in [1; MaxSugarcaneHeight] (with MaxCactusHeight and MaxSugarcaneHeight declared in world.ini)

Fixes #4135
This commit is contained in:
Cocosushi6 2018-05-03 20:25:08 +02:00 committed by peterbell10
parent a4dbb5c582
commit fbf5cf7aa6
4 changed files with 101 additions and 33 deletions
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1
CONTRIBUTORS
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@ -13,6 +13,7 @@ beeduck
bibo38
birkett (Anthony Birkett)
Bond_009
Cocosushi6
derouinw
Diusrex
Duralex

4
src/Generating/ComposableGenerator.cpp
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@ -525,7 +525,9 @@ void cComposableGenerator::InitFinishGens(cIniFile & a_IniFile)
}
else if (NoCaseCompare(finisher, "SprinkleFoliage") == 0)
{
m_FinishGens.push_back(cFinishGenPtr(new cFinishGenSprinkleFoliage(Seed)));
int MaxCactusHeight = a_IniFile.GetValueI("Plants", "MaxCactusHeight", 3);
int MaxSugarcaneHeight = a_IniFile.GetValueI("Plants", "MaxSugarcaneHeight", 3);
m_FinishGens.push_back(std::make_shared<cFinishGenSprinkleFoliage>(Seed, MaxCactusHeight, MaxSugarcaneHeight));
}
else if (NoCaseCompare(finisher, "TallGrass") == 0)
{

107
src/Generating/FinishGen.cpp
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@ -671,24 +671,66 @@ void cFinishGenVines::GenFinish(cChunkDesc & a_ChunkDesc)
////////////////////////////////////////////////////////////////////////////////
// cFinishGenSprinkleFoliage:
bool cFinishGenSprinkleFoliage::TryAddSugarcane(cChunkDesc & a_ChunkDesc, int a_RelX, int a_RelY, int a_RelZ)
bool cFinishGenSprinkleFoliage::TryAddCactus(cChunkDesc & a_ChunkDesc, int a_RelX, HEIGHTTYPE & a_RelY, int a_RelZ)
{
if (!IsDesertVariant(a_ChunkDesc.GetBiome(a_RelX, a_RelZ)))
{
return false;
}
int CactusHeight = 1 + (m_Noise.IntNoise2DInt(a_RelX, a_RelZ) % m_MaxCactusHeight);
// We'll be doing comparison with blocks above, so the coords should be 1 block away from chunk top
if (a_RelY + CactusHeight >= cChunkDef::Height - 1)
{
CactusHeight = cChunkDef::Height - a_RelY - 1;
}
// We'll be doing comparison to neighbors, so require the coords to be 1 block away from the chunk edges:
if (
(a_RelX < 1) || (a_RelX >= cChunkDef::Width - 1) ||
(a_RelY < 1) || (a_RelY >= cChunkDef::Height - 2) ||
(a_RelZ < 1) || (a_RelZ >= cChunkDef::Width - 1)
)
{
return false;
}
// Only allow dirt, grass or sand below sugarcane:
for (int i = 0; i < CactusHeight; i++)
{
const bool cactusExists = i != 0;
const int y = a_RelY + 1;
if (
cBlockInfo::IsSolid(a_ChunkDesc.GetBlockType(a_RelX + 1, y, a_RelZ)) ||
cBlockInfo::IsSolid(a_ChunkDesc.GetBlockType(a_RelX - 1, y, a_RelZ)) ||
cBlockInfo::IsSolid(a_ChunkDesc.GetBlockType(a_RelX, y, a_RelZ + 1)) ||
cBlockInfo::IsSolid(a_ChunkDesc.GetBlockType(a_RelX, y, a_RelZ - 1))
)
{
return cactusExists;
}
// All conditions are met, we can place a cactus here
a_ChunkDesc.SetBlockType(a_RelX, ++a_RelY, a_RelZ, E_BLOCK_CACTUS);
}
return true;
}
////////////////////////////////////////////////////////////////////////////////
// cFinishGenSprinkleFoliage:
bool cFinishGenSprinkleFoliage::TryAddSugarcane(cChunkDesc & a_ChunkDesc, int a_RelX, HEIGHTTYPE & a_RelY, int a_RelZ)
{
int SugarcaneHeight = 1 + (m_Noise.IntNoise2DInt(a_RelX, a_RelZ) % m_MaxSugarcaneHeight);
// Only allow dirt, grass, sand and sugarcane below sugarcane:
switch (a_ChunkDesc.GetBlockType(a_RelX, a_RelY, a_RelZ))
{
case E_BLOCK_DIRT:
case E_BLOCK_GRASS:
case E_BLOCK_SAND:
case E_BLOCK_SUGARCANE:
{
break;
}
@ -698,19 +740,39 @@ bool cFinishGenSprinkleFoliage::TryAddSugarcane(cChunkDesc & a_ChunkDesc, int a_
}
}
// Water is required next to the block below the sugarcane:
// We'll be doing comparison with blocks above, so the coords should be 1 block away from chunk top
if (a_RelY + SugarcaneHeight >= cChunkDef::Height - 1)
{
SugarcaneHeight = cChunkDef::Height - a_RelY - 1;
}
// We'll be doing comparison to neighbors, so require the coords to be 1 block away from the chunk edges:
if (
!IsWater(a_ChunkDesc.GetBlockType(a_RelX - 1, a_RelY, a_RelZ)) &&
!IsWater(a_ChunkDesc.GetBlockType(a_RelX + 1, a_RelY, a_RelZ)) &&
!IsWater(a_ChunkDesc.GetBlockType(a_RelX, a_RelY, a_RelZ - 1)) &&
!IsWater(a_ChunkDesc.GetBlockType(a_RelX, a_RelY, a_RelZ + 1))
(a_RelX < 1) || (a_RelX >= cChunkDef::Width - 1) ||
(a_RelZ < 1) || (a_RelZ >= cChunkDef::Width - 1)
)
{
return false;
}
// All conditions met, place a sugarcane here:
a_ChunkDesc.SetBlockType(a_RelX, a_RelY + 1, a_RelZ, E_BLOCK_SUGARCANE);
// Water is required next to the block below the sugarcane (if the block below isn't sugarcane already)
if (
!IsWater(a_ChunkDesc.GetBlockType(a_RelX - 1, a_RelY, a_RelZ)) &&
!IsWater(a_ChunkDesc.GetBlockType(a_RelX + 1, a_RelY, a_RelZ)) &&
!IsWater(a_ChunkDesc.GetBlockType(a_RelX, a_RelY, a_RelZ - 1)) &&
!IsWater(a_ChunkDesc.GetBlockType(a_RelX, a_RelY, a_RelZ + 1)) &&
a_ChunkDesc.GetBlockType(a_RelX, a_RelY, a_RelZ) != E_BLOCK_SUGARCANE
)
{
return false;
}
for (int i = 0; i < SugarcaneHeight; i++)
{
// All conditions met, place a sugarcane here
a_ChunkDesc.SetBlockType(a_RelX, ++a_RelY, a_RelZ, E_BLOCK_SUGARCANE);
}
return true;
}
@ -778,7 +840,7 @@ void cFinishGenSprinkleFoliage::GenFinish(cChunkDesc & a_ChunkDesc)
}
else if (TryAddSugarcane(a_ChunkDesc, x, Top, z))
{
++Top;
// Checks and block placing are handled in the TryAddSugarcane method
}
else if ((val1 > 0.5) && (val2 < -0.5))
{
@ -789,29 +851,22 @@ void cFinishGenSprinkleFoliage::GenFinish(cChunkDesc & a_ChunkDesc)
case E_BLOCK_SAND:
{
int y = Top + 1;
if (
(x > 0) && (x < cChunkDef::Width - 1) &&
(z > 0) && (z < cChunkDef::Width - 1) &&
(val1 + val2 > 0.5f) &&
(a_ChunkDesc.GetBlockType(x + 1, y, z) == E_BLOCK_AIR) &&
(a_ChunkDesc.GetBlockType(x - 1, y, z) == E_BLOCK_AIR) &&
(a_ChunkDesc.GetBlockType(x, y, z + 1) == E_BLOCK_AIR) &&
(a_ChunkDesc.GetBlockType(x, y, z - 1) == E_BLOCK_AIR) &&
IsDesertVariant(a_ChunkDesc.GetBiome(x, z))
)
if (val1 + val2 > 0.5f)
{
a_ChunkDesc.SetBlockType(x, ++Top, z, E_BLOCK_CACTUS);
if (!TryAddCactus(a_ChunkDesc, x, Top, z))
{
TryAddSugarcane(a_ChunkDesc, x, Top, z);
}
else if (TryAddSugarcane(a_ChunkDesc, x, Top, z))
}
else
{
++Top;
TryAddSugarcane(a_ChunkDesc, x, Top, z);
}
break;
}
} // switch (TopBlock)
a_ChunkDesc.SetHeight(x, z, Top);
} // for y
} // for x
} // for z
}

18
src/Generating/FinishGen.h
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@ -260,14 +260,24 @@ class cFinishGenSprinkleFoliage :
public cFinishGen
{
public:
cFinishGenSprinkleFoliage(int a_Seed) : m_Noise(a_Seed), m_Seed(a_Seed) {}
cFinishGenSprinkleFoliage(int a_Seed, int a_MaxCactusHeight, int a_MaxSugarcaneHeight):
m_Noise(a_Seed),
m_Seed(a_Seed),
m_MaxCactusHeight(a_MaxCactusHeight),
m_MaxSugarcaneHeight(a_MaxSugarcaneHeight)
{
}
protected:
cNoise m_Noise;
int m_Seed;
int m_MaxCactusHeight;
int m_MaxSugarcaneHeight;
/** Tries to place sugarcane at the coords specified, returns true if successful */
bool TryAddSugarcane(cChunkDesc & a_ChunkDesc, int a_RelX, int a_RelY, int a_RelZ);
/** Tries to place sugarcane at the coords specified, returns true if successful, updates the top variable (hence the & a_RefY) */
bool TryAddSugarcane(cChunkDesc & a_ChunkDesc, int a_RelX, HEIGHTTYPE & a_RelY, int a_RelZ);
/** Tries to place cactus at the coords specified, returns true if successful, updates the top variable (hence the & a_RefY) */
bool TryAddCactus(cChunkDesc & a_ChunkDesc, int a_RelX, HEIGHTTYPE & a_RelY, int a_RelZ);
// Returns true is the specified biome is a desert or its variant
static bool IsDesertVariant(EMCSBiome a_biome);