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The subgenerators use cChunkDesc instead of raw arrays. cChunkDesc is based on cBlockArea. Initial version of Lakes generator.

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git-svn-id: http://mc-server.googlecode.com/svn/trunk@1286 0a769ca7-a7f5-676a-18bf-c427514a06d6
This commit is contained in:
madmaxoft@gmail.com
2013-03-19 08:32:02 +00:00
parent 1c1bcf5c07
commit b4697ab9db
11 changed files with 324 additions and 171 deletions
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201
source/Generating/StructGen.cpp
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@@ -5,6 +5,7 @@
#include "StructGen.h"
#include "../BlockID.h"
#include "Trees.h"
#include "../BlockArea.h"
@@ -85,18 +86,11 @@ void cStructGenTrees::GenStructures(cChunkDesc & a_ChunkDesc)
{
int BaseZ = ChunkZ + z - 1;
cChunkDef::BlockTypes * BlT;
cChunkDef::BlockNibbles * BlM;
cChunkDef::HeightMap * Hei;
cChunkDef::BiomeMap * Bio;
cChunkDesc * Dest;
if ((x != 1) || (z != 1))
{
BlT = &(WorkerDesc.GetBlockTypes());
BlM = &(WorkerDesc.GetBlockMetas());
Hei = &(WorkerDesc.GetHeightMap());
Bio = &(WorkerDesc.GetBiomeMap());
Dest = &WorkerDesc;
WorkerDesc.SetChunkCoords(BaseX, BaseZ);
m_BiomeGen->GenBiomes (BaseX, BaseZ, WorkerDesc.GetBiomeMap());
@@ -106,26 +100,23 @@ void cStructGenTrees::GenStructures(cChunkDesc & a_ChunkDesc)
}
else
{
BlT = &(a_ChunkDesc.GetBlockTypes());
BlM = &(a_ChunkDesc.GetBlockMetas());
Hei = &(a_ChunkDesc.GetHeightMap());
Bio = &(a_ChunkDesc.GetBiomeMap());
Dest = &a_ChunkDesc;
}
int NumTrees = GetNumTrees(BaseX, BaseZ, *Bio);
int NumTrees = GetNumTrees(BaseX, BaseZ, Dest->GetBiomeMap());
sSetBlockVector OutsideLogs, OutsideOther;
for (int i = 0; i < NumTrees; i++)
{
GenerateSingleTree(BaseX, BaseZ, i, *BlT, *BlM, *Hei, *Bio, OutsideLogs, OutsideOther);
GenerateSingleTree(BaseX, BaseZ, i, *Dest, OutsideLogs, OutsideOther);
}
sSetBlockVector IgnoredOverflow;
IgnoredOverflow.reserve(OutsideOther.size());
ApplyTreeImage(ChunkX, ChunkZ, a_ChunkDesc.GetBlockTypes(), a_ChunkDesc.GetBlockMetas(), OutsideOther, IgnoredOverflow);
ApplyTreeImage(ChunkX, ChunkZ, a_ChunkDesc, OutsideOther, IgnoredOverflow);
IgnoredOverflow.clear();
IgnoredOverflow.reserve(OutsideLogs.size());
ApplyTreeImage(ChunkX, ChunkZ, a_ChunkDesc.GetBlockTypes(), a_ChunkDesc.GetBlockMetas(), OutsideLogs, IgnoredOverflow);
ApplyTreeImage(ChunkX, ChunkZ, a_ChunkDesc, OutsideLogs, IgnoredOverflow);
} // for z
} // for x
@@ -136,9 +127,9 @@ void cStructGenTrees::GenStructures(cChunkDesc & a_ChunkDesc)
{
for (int y = cChunkDef::Height - 1; y >= 0; y--)
{
if (cChunkDef::GetBlock(a_ChunkDesc.GetBlockTypes(), x, y, z) != E_BLOCK_AIR)
if (a_ChunkDesc.GetBlockType(x, y, z) != E_BLOCK_AIR)
{
cChunkDef::SetHeight(a_ChunkDesc.GetHeightMap(), x, z, y);
a_ChunkDesc.SetHeight(x, z, y);
break;
}
} // for y
@@ -152,10 +143,7 @@ void cStructGenTrees::GenStructures(cChunkDesc & a_ChunkDesc)
void cStructGenTrees::GenerateSingleTree(
int a_ChunkX, int a_ChunkZ, int a_Seq,
cChunkDef::BlockTypes & a_BlockTypes,
cChunkDef::BlockNibbles & a_BlockMetas,
const cChunkDef::HeightMap & a_Height,
const cChunkDef::BiomeMap & a_Biomes,
cChunkDesc & a_ChunkDesc,
sSetBlockVector & a_OutsideLogs,
sSetBlockVector & a_OutsideOther
)
@@ -163,7 +151,7 @@ void cStructGenTrees::GenerateSingleTree(
int x = (m_Noise.IntNoise3DInt(a_ChunkX + a_ChunkZ, a_ChunkZ, a_Seq) / 19) % cChunkDef::Width;
int z = (m_Noise.IntNoise3DInt(a_ChunkX - a_ChunkZ, a_Seq, a_ChunkZ) / 19) % cChunkDef::Width;
int Height = cChunkDef::GetHeight(a_Height, x, z);
int Height = a_ChunkDesc.GetHeight(x, z);
if ((Height <= 0) || (Height > 240))
{
@@ -171,7 +159,7 @@ void cStructGenTrees::GenerateSingleTree(
}
// Check the block underneath the tree:
BLOCKTYPE TopBlock = cChunkDef::GetBlock(a_BlockTypes, x, Height, z);
BLOCKTYPE TopBlock = a_ChunkDesc.GetBlockType(x, Height, z);
if ((TopBlock != E_BLOCK_DIRT) && (TopBlock != E_BLOCK_GRASS) && (TopBlock != E_BLOCK_FARMLAND))
{
return;
@@ -181,7 +169,7 @@ void cStructGenTrees::GenerateSingleTree(
GetTreeImageByBiome(
a_ChunkX * cChunkDef::Width + x, Height + 1, a_ChunkZ * cChunkDef::Width + z,
m_Noise, a_Seq,
cChunkDef::GetBiome(a_Biomes, x, z),
a_ChunkDesc.GetBiome(x, z),
TreeLogs, TreeOther
);
@@ -194,7 +182,7 @@ void cStructGenTrees::GenerateSingleTree(
continue;
}
BLOCKTYPE Block = cChunkDef::GetBlock(a_BlockTypes, itr->x, itr->y, itr->z);
BLOCKTYPE Block = a_ChunkDesc.GetBlockType(itr->x, itr->y, itr->z);
switch (Block)
{
CASE_TREE_ALLOWED_BLOCKS:
@@ -209,8 +197,8 @@ void cStructGenTrees::GenerateSingleTree(
}
}
ApplyTreeImage(a_ChunkX, a_ChunkZ, a_BlockTypes, a_BlockMetas, TreeOther, a_OutsideOther);
ApplyTreeImage(a_ChunkX, a_ChunkZ, a_BlockTypes, a_BlockMetas, TreeLogs, a_OutsideLogs);
ApplyTreeImage(a_ChunkX, a_ChunkZ, a_ChunkDesc, TreeOther, a_OutsideOther);
ApplyTreeImage(a_ChunkX, a_ChunkZ, a_ChunkDesc, TreeLogs, a_OutsideLogs);
}
@@ -219,19 +207,18 @@ void cStructGenTrees::GenerateSingleTree(
void cStructGenTrees::ApplyTreeImage(
int a_ChunkX, int a_ChunkZ,
cChunkDef::BlockTypes & a_BlockTypes,
cChunkDef::BlockNibbles & a_BlockMetas,
cChunkDesc & a_ChunkDesc,
const sSetBlockVector & a_Image,
sSetBlockVector & a_Overflow
)
{
// Put the generated image into a_BlockTypes, push things outside this chunk into a_Blocks
for (sSetBlockVector::const_iterator itr = a_Image.begin(); itr != a_Image.end(); ++itr)
for (sSetBlockVector::const_iterator itr = a_Image.begin(), end = a_Image.end(); itr != end; ++itr)
{
if ((itr->ChunkX == a_ChunkX) && (itr->ChunkZ == a_ChunkZ))
{
// Inside this chunk, integrate into a_BlockTypes:
switch (cChunkDef::GetBlock(a_BlockTypes, itr->x, itr->y, itr->z))
// Inside this chunk, integrate into a_ChunkDesc:
switch (a_ChunkDesc.GetBlockType(itr->x, itr->y, itr->z))
{
case E_BLOCK_LEAVES:
{
@@ -243,8 +230,7 @@ void cStructGenTrees::ApplyTreeImage(
}
CASE_TREE_OVERWRITTEN_BLOCKS:
{
cChunkDef::SetBlock (a_BlockTypes, itr->x, itr->y, itr->z, itr->BlockType);
cChunkDef::SetNibble(a_BlockMetas, itr->x, itr->y, itr->z, itr->BlockMeta);
a_ChunkDesc.SetBlockTypeMeta(itr->x, itr->y, itr->z, itr->BlockType, itr->BlockMeta);
break;
}
@@ -271,22 +257,22 @@ int cStructGenTrees::GetNumTrees(
for (int x = 0; x < cChunkDef::Width; x++) for (int z = 0; z < cChunkDef::Width; z++)
{
int Add = 0;
switch (a_Biomes[x + cChunkDef::Width * z])
switch (cChunkDef::GetBiome(a_Biomes, x, z))
{
case biPlains: Add = 1; break;
case biExtremeHills: Add = 3; break;
case biForest: Add = 30; break;
case biTaiga: Add = 30; break;
case biSwampland: Add = 8; break;
case biIcePlains: Add = 1; break;
case biIceMountains: Add = 1; break;
case biMushroomIsland: Add = 3; break;
case biMushroomShore: Add = 3; break;
case biForestHills: Add = 20; break;
case biTaigaHills: Add = 20; break;
case biExtremeHillsEdge: Add = 5; break;
case biPlains: Add = 1; break;
case biExtremeHills: Add = 3; break;
case biForest: Add = 30; break;
case biTaiga: Add = 30; break;
case biSwampland: Add = 8; break;
case biIcePlains: Add = 1; break;
case biIceMountains: Add = 1; break;
case biMushroomIsland: Add = 3; break;
case biMushroomShore: Add = 3; break;
case biForestHills: Add = 20; break;
case biTaigaHills: Add = 20; break;
case biExtremeHillsEdge: Add = 5; break;
case biJungle: Add = 120; break;
case biJungleHills: Add = 90; break;
case biJungleHills: Add = 90; break;
}
NumTrees += Add;
}
@@ -403,3 +389,118 @@ void cStructGenOreNests::GenerateOre(int a_ChunkX, int a_ChunkZ, BLOCKTYPE a_Ore
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// cStructGenLakes:
void cStructGenLakes::GenStructures(cChunkDesc & a_ChunkDesc)
{
int ChunkX = a_ChunkDesc.GetChunkX();
int ChunkZ = a_ChunkDesc.GetChunkZ();
for (int z = -1; z < 2; z++) for (int x = -1; x < 2; x++)
{
cBlockArea Lake;
CreateLakeImage(ChunkX + x, ChunkZ + z, Lake);
int OfsX = Lake.GetOriginX() + x * cChunkDef::Width;
int OfsZ = Lake.GetOriginZ() + z * cChunkDef::Width;
// Merge the lake into the current data
a_ChunkDesc.WriteBlockArea(Lake, OfsX, Lake.GetOriginY(), OfsZ, cBlockArea::msLake);
} // for x, z - neighbor chunks
}
void cStructGenLakes::CreateLakeImage(int a_ChunkX, int a_ChunkZ, cBlockArea & a_Lake)
{
a_Lake.Create(16, 8, 16);
a_Lake.Fill(cBlockArea::baTypes, E_BLOCK_SPONGE); // Sponge is the NOP blocktype for lake merging strategy
// Find the maximum height in this chunk:
cChunkDef::HeightMap HeightMap;
m_HeiGen.GenHeightMap(a_ChunkX, a_ChunkZ, HeightMap);
HEIGHTTYPE MaxHeight = HeightMap[0];
for (int i = 1; i < ARRAYCOUNT(HeightMap); i++)
{
if (HeightMap[i] > MaxHeight)
{
MaxHeight = HeightMap[i];
}
}
// Make a random position in the chunk by using a random 16 block XZ offset and random height up to chunk's max height
int Rnd = m_Noise.IntNoise3DInt(a_ChunkX, 128, a_ChunkZ) / 11;
// Random offset [-8 .. 8], with higher probability around 0; add up four three-bit-wide randoms [0 .. 28], divide and subtract to get range
int OffsetX = 4 * ((Rnd & 0x07) + ((Rnd & 0x38) >> 3) + ((Rnd & 0x1c0) >> 6) + ((Rnd & 0xe00) >> 9)) / 7 - 8;
Rnd >>= 12;
// Random offset [-8 .. 8], with higher probability around 0; add up four three-bit-wide randoms [0 .. 28], divide and subtract to get range
int OffsetZ = 4 * ((Rnd & 0x07) + ((Rnd & 0x38) >> 3) + ((Rnd & 0x1c0) >> 6) + ((Rnd & 0xe00) >> 9)) / 7 - 8;
Rnd = m_Noise.IntNoise3DInt(a_ChunkX, 512, a_ChunkZ) / 13;
// Random height [0 .. MaxHeight] with preference to center heights
int HeightY = (((Rnd & 0x1ff) % (MaxHeight + 1)) + (((Rnd >> 9) & 0x1ff) % (MaxHeight + 1))) / 2;
a_Lake.SetOrigin(OffsetX, HeightY, OffsetZ);
// Hollow out a few bubbles inside the blockarea:
int NumBubbles = 4 + ((Rnd >> 18) & 0x03); // 4 .. 7 bubbles
BLOCKTYPE * BlockTypes = a_Lake.GetBlockTypes();
for (int i = 0; i < NumBubbles; i++)
{
int Rnd = m_Noise.IntNoise3DInt(a_ChunkX, i, a_ChunkZ) / 13;
const int BubbleR = 2 + (Rnd & 0x03); // 2 .. 5
const int Range = 16 - 2 * BubbleR;
const int BubbleX = BubbleR + (Rnd % Range);
Rnd >>= 4;
const int BubbleY = 4 + (Rnd & 0x01); // 4 .. 5
Rnd >>= 1;
const int BubbleZ = BubbleR + (Rnd % Range);
Rnd >>= 4;
const int HalfR = BubbleR / 2; // 1 .. 2
const int RSquared = BubbleR * BubbleR;
for (int y = -HalfR; y <= HalfR; y++)
{
// BubbleY + y is in the [0, 7] bounds
int DistY = 4 * y * y / 3;
int IdxY = (BubbleY + y) * 16 * 16;
for (int z = -BubbleR; z <= BubbleR; z++)
{
int DistYZ = DistY + z * z;
if (DistYZ >= RSquared)
{
continue;
}
int IdxYZ = BubbleX + IdxY + (BubbleZ + z) * 16;
for (int x = -BubbleR; x <= BubbleR; x++)
{
if (x * x + DistYZ < RSquared)
{
BlockTypes[x + IdxYZ] = E_BLOCK_AIR;
}
} // for x
} // for z
} // for y
} // for i - bubbles
// Turn air in the bottom half into liquid:
for (int y = 0; y < 4; y++)
{
for (int z = 0; z < 16; z++) for (int x = 0; x < 16; x++)
{
if (BlockTypes[x + z * 16 + y * 16 * 16] == E_BLOCK_AIR)
{
BlockTypes[x + z * 16 + y * 16 * 16] = m_Fluid;
}
} // for z, x
} // for y
// TODO: Turn sponge next to lava into stone
// a_Lake.SaveToSchematicFile(Printf("Lake_%d_%d.schematic", a_ChunkX, a_ChunkZ));
}