1 files changed, 634 insertions, 0 deletions

diff --git a/src/Generating/CompoGen.cpp b/src/Generating/CompoGen.cpp
new file mode 100644
index 000000000..03a65a457
--- /dev/null
+++ b/src/Generating/CompoGen.cpp
@@ -0,0 +1,634 @@
+
+// CompoGen.cpp
+
+/* Implements the various terrain composition generators:
+	- cCompoGenSameBlock
+	- cCompoGenDebugBiomes
+	- cCompoGenClassic
+*/
+
+#include "Globals.h"
+#include "CompoGen.h"
+#include "../BlockID.h"
+#include "../Item.h"
+#include "../LinearUpscale.h"
+#include "inifile/iniFile.h"
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cCompoGenSameBlock:
+
+void cCompoGenSameBlock::ComposeTerrain(cChunkDesc & a_ChunkDesc)
+{
+	a_ChunkDesc.FillBlocks(E_BLOCK_AIR, 0);
+	for (int z = 0; z < cChunkDef::Width; z++)
+	{
+		for (int x = 0; x < cChunkDef::Width; x++)
+		{
+			int Start;
+			if (m_IsBedrocked)
+			{
+				a_ChunkDesc.SetBlockType(x, 0, z, E_BLOCK_BEDROCK);
+				Start = 1;
+			}
+			else
+			{
+				Start = 0;
+			}
+			for (int y = a_ChunkDesc.GetHeight(x, z); y >= Start; y--)
+			{
+				a_ChunkDesc.SetBlockType(x, y, z, m_BlockType);
+			}  // for y
+		}  // for z
+	}  // for x
+}
+
+
+
+
+
+void cCompoGenSameBlock::InitializeCompoGen(cIniFile & a_IniFile)
+{
+	m_BlockType = (BLOCKTYPE)(GetIniItemSet(a_IniFile, "Generator", "SameBlockType", "stone").m_ItemType);
+	m_IsBedrocked = (a_IniFile.GetValueSetI("Generator", "SameBlockBedrocked", 1) != 0);
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cCompoGenDebugBiomes:
+
+void cCompoGenDebugBiomes::ComposeTerrain(cChunkDesc & a_ChunkDesc)
+{
+	static BLOCKTYPE Blocks[] =
+	{
+		E_BLOCK_STONE,
+		E_BLOCK_COBBLESTONE, 
+		E_BLOCK_LOG,
+		E_BLOCK_PLANKS,
+		E_BLOCK_SANDSTONE,
+		E_BLOCK_WOOL,
+		E_BLOCK_COAL_ORE,
+		E_BLOCK_IRON_ORE,
+		E_BLOCK_GOLD_ORE,
+		E_BLOCK_DIAMOND_ORE,
+		E_BLOCK_LAPIS_ORE,
+		E_BLOCK_REDSTONE_ORE,
+		E_BLOCK_IRON_BLOCK,
+		E_BLOCK_GOLD_BLOCK,
+		E_BLOCK_DIAMOND_BLOCK,
+		E_BLOCK_LAPIS_BLOCK,
+		E_BLOCK_BRICK,
+		E_BLOCK_MOSSY_COBBLESTONE,
+		E_BLOCK_OBSIDIAN,
+		E_BLOCK_NETHERRACK,
+		E_BLOCK_SOULSAND,
+		E_BLOCK_NETHER_BRICK,
+		E_BLOCK_BEDROCK,
+	} ;
+	
+	a_ChunkDesc.FillBlocks(E_BLOCK_AIR, 0);
+
+	for (int z = 0; z < cChunkDef::Width; z++)
+	{
+		for (int x = 0; x < cChunkDef::Width; x++)
+		{
+			BLOCKTYPE BlockType = Blocks[a_ChunkDesc.GetBiome(x, z)];
+			for (int y = a_ChunkDesc.GetHeight(x, z); y >= 0; y--)
+			{
+				a_ChunkDesc.SetBlockType(x, y, z, BlockType);
+			}  // for y
+		}  // for z
+	}  // for x
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cCompoGenClassic:
+
+cCompoGenClassic::cCompoGenClassic(void) :
+	m_SeaLevel(60),
+	m_BeachHeight(2),
+	m_BeachDepth(4),
+	m_BlockTop(E_BLOCK_GRASS),
+	m_BlockMiddle(E_BLOCK_DIRT),
+	m_BlockBottom(E_BLOCK_STONE),
+	m_BlockBeach(E_BLOCK_SAND),
+	m_BlockBeachBottom(E_BLOCK_SANDSTONE),
+	m_BlockSea(E_BLOCK_STATIONARY_WATER)
+{
+}
+
+
+
+
+
+void cCompoGenClassic::ComposeTerrain(cChunkDesc & a_ChunkDesc)
+{
+	/* The classic composition means:
+		- 1 layer of grass, 3 of dirt and the rest stone, if the height > sealevel + beachheight
+		- 3 sand and a 1 sandstone, rest stone if between sealevel and sealevel + beachheight
+		- water from waterlevel to height, then 3 sand, 1 sandstone, the rest stone, if water depth < beachdepth
+		- water from waterlevel, then 3 dirt, the rest stone otherwise
+		- bedrock at the bottom
+	*/
+
+	a_ChunkDesc.FillBlocks(E_BLOCK_AIR, 0);
+
+	// The patterns to use for different situations, must be same length!
+	const BLOCKTYPE PatternGround[] = {m_BlockTop,    m_BlockMiddle, m_BlockMiddle, m_BlockMiddle} ;
+	const BLOCKTYPE PatternBeach[]  = {m_BlockBeach,  m_BlockBeach,  m_BlockBeach,  m_BlockBeachBottom} ;
+	const BLOCKTYPE PatternOcean[]  = {m_BlockMiddle, m_BlockMiddle, m_BlockMiddle, m_BlockBottom} ;
+	static int PatternLength = ARRAYCOUNT(PatternGround);
+	ASSERT(ARRAYCOUNT(PatternGround) == ARRAYCOUNT(PatternBeach));
+	ASSERT(ARRAYCOUNT(PatternGround) == ARRAYCOUNT(PatternOcean));
+	
+	for (int z = 0; z < cChunkDef::Width; z++)
+	{
+		for (int x = 0; x < cChunkDef::Width; x++)
+		{
+			int Height = a_ChunkDesc.GetHeight(x, z);
+			const BLOCKTYPE * Pattern;
+			if (Height > m_SeaLevel + m_BeachHeight)
+			{
+				Pattern = PatternGround;
+			}
+			else if (Height > m_SeaLevel - m_BeachDepth)
+			{
+				Pattern = PatternBeach;
+			}
+			else
+			{
+				Pattern = PatternOcean;
+			}
+			
+			// Fill water from sealevel down to height (if any):
+			for (int y = m_SeaLevel; y >= Height; --y)
+			{
+				a_ChunkDesc.SetBlockType(x, y, z, m_BlockSea);
+			}
+			
+			// Fill from height till the bottom:
+			for (int y = Height; y >= 1; y--)
+			{
+				a_ChunkDesc.SetBlockType(x, y, z, (Height - y < PatternLength) ? Pattern[Height - y] : m_BlockBottom);
+			}
+			
+			// The last layer is always bedrock:
+			a_ChunkDesc.SetBlockType(x, 0, z, E_BLOCK_BEDROCK);
+		}  // for x
+	}  // for z
+}
+
+
+
+
+
+void cCompoGenClassic::InitializeCompoGen(cIniFile & a_IniFile)
+{
+	m_SeaLevel         = a_IniFile.GetValueSetI("Generator", "ClassicSeaLevel",    m_SeaLevel);
+	m_BeachHeight      = a_IniFile.GetValueSetI("Generator", "ClassicBeachHeight", m_BeachHeight);
+	m_BeachDepth       = a_IniFile.GetValueSetI("Generator", "ClassicBeachDepth",  m_BeachDepth);
+	m_BlockTop         = (BLOCKTYPE)(GetIniItemSet(a_IniFile, "Generator", "ClassicBlockTop",         "grass").m_ItemType);
+	m_BlockMiddle      = (BLOCKTYPE)(GetIniItemSet(a_IniFile, "Generator", "ClassicBlockMiddle",      "dirt").m_ItemType);
+	m_BlockBottom      = (BLOCKTYPE)(GetIniItemSet(a_IniFile, "Generator", "ClassicBlockBottom",      "stone").m_ItemType);
+	m_BlockBeach       = (BLOCKTYPE)(GetIniItemSet(a_IniFile, "Generator", "ClassicBlockBeach",       "sand").m_ItemType);
+	m_BlockBeachBottom = (BLOCKTYPE)(GetIniItemSet(a_IniFile, "Generator", "ClassicBlockBeachBottom", "sandstone").m_ItemType);
+	m_BlockSea         = (BLOCKTYPE)(GetIniItemSet(a_IniFile, "Generator", "ClassicBlockSea",         "stationarywater").m_ItemType);
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cCompoGenBiomal:
+
+void cCompoGenBiomal::ComposeTerrain(cChunkDesc & a_ChunkDesc)
+{
+	a_ChunkDesc.FillBlocks(E_BLOCK_AIR, 0);
+
+	int ChunkX = a_ChunkDesc.GetChunkX();
+	int ChunkZ = a_ChunkDesc.GetChunkZ();
+	
+	/*
+	_X 2013_04_22:
+	There's no point in generating the whole cubic noise at once, because the noise values are used in
+	only about 20 % of the cases, so the speed gained by precalculating is lost by precalculating too much data
+	*/
+	
+	for (int z = 0; z < cChunkDef::Width; z++)
+	{
+		for (int x = 0; x < cChunkDef::Width; x++)
+		{
+			int Height = a_ChunkDesc.GetHeight(x, z);
+			if (Height > m_SeaLevel)
+			{
+				switch (a_ChunkDesc.GetBiome(x, z))
+				{
+					case biOcean:
+					case biPlains:
+					case biExtremeHills:
+					case biForest:
+					case biTaiga:
+					case biSwampland:
+					case biRiver:
+					case biFrozenOcean:
+					case biFrozenRiver:
+					case biIcePlains:
+					case biIceMountains:
+					case biForestHills:
+					case biTaigaHills:
+					case biExtremeHillsEdge:
+					case biJungle:
+					case biJungleHills:
+					{
+						FillColumnGrass(x, z, Height, a_ChunkDesc.GetBlockTypes());
+						break;
+					}
+					case biDesertHills:
+					case biDesert:
+					case biBeach:
+					{
+						FillColumnSand(x, z, Height, a_ChunkDesc.GetBlockTypes());
+						break;
+					}
+					case biMushroomIsland:
+					case biMushroomShore:
+					{
+						FillColumnMycelium(x, z, Height, a_ChunkDesc.GetBlockTypes());
+						break;
+					}
+					default:
+					{
+						// TODO
+						ASSERT(!"CompoGenBiomal: Biome not implemented yet!");
+						break;
+					}
+				}
+			}
+			else
+			{
+				switch (a_ChunkDesc.GetBiome(x, z))
+				{
+					case biDesert:
+					case biBeach:
+					{
+						// Fill with water, sand, sandstone and stone
+						FillColumnWaterSand(x, z, Height, a_ChunkDesc.GetBlockTypes());
+						break;
+					}
+					default:
+					{
+						// Fill with water, sand/dirt/clay mix and stone
+						if (m_Noise.CubicNoise2D(0.3f * (cChunkDef::Width * ChunkX + x), 0.3f * (cChunkDef::Width * ChunkZ + z)) < 0)
+						{
+							FillColumnWaterSand(x, z, Height, a_ChunkDesc.GetBlockTypes());
+						}
+						else
+						{
+							FillColumnWaterDirt(x, z, Height, a_ChunkDesc.GetBlockTypes());
+						}
+						break;
+					}
+				}  // switch (biome)
+				a_ChunkDesc.SetHeight(x, z, m_SeaLevel + 1);
+			}  // else (under water)
+			a_ChunkDesc.SetBlockType(x, 0, z, E_BLOCK_BEDROCK);
+		}  // for x
+	}  // for z
+}
+
+
+
+
+
+void cCompoGenBiomal::InitializeCompoGen(cIniFile & a_IniFile)
+{
+	m_SeaLevel = a_IniFile.GetValueSetI("Generator", "BiomalSeaLevel", m_SeaLevel) - 1;
+}
+
+
+
+
+
+void cCompoGenBiomal::FillColumnGrass(int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes)
+{
+	BLOCKTYPE Pattern[] =
+	{
+		E_BLOCK_GRASS,
+		E_BLOCK_DIRT,
+		E_BLOCK_DIRT,
+		E_BLOCK_DIRT,
+	} ;
+	FillColumnPattern(a_RelX, a_RelZ, a_Height, a_BlockTypes, Pattern, ARRAYCOUNT(Pattern));
+	
+	for (int y = a_Height - ARRAYCOUNT(Pattern); y > 0; y--)
+	{
+		cChunkDef::SetBlock(a_BlockTypes, a_RelX, y, a_RelZ, E_BLOCK_STONE);
+	}
+}
+
+
+
+
+
+void cCompoGenBiomal::FillColumnSand(int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes)
+{
+	BLOCKTYPE Pattern[] =
+	{
+		E_BLOCK_SAND,
+		E_BLOCK_SAND,
+		E_BLOCK_SAND,
+		E_BLOCK_SANDSTONE,
+	} ;
+	FillColumnPattern(a_RelX, a_RelZ, a_Height, a_BlockTypes, Pattern, ARRAYCOUNT(Pattern));
+	
+	for (int y = a_Height - ARRAYCOUNT(Pattern); y > 0; y--)
+	{
+		cChunkDef::SetBlock(a_BlockTypes, a_RelX, y, a_RelZ, E_BLOCK_STONE);
+	}
+}
+
+
+
+
+
+
+void cCompoGenBiomal::FillColumnMycelium (int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes)
+{
+	BLOCKTYPE Pattern[] =
+	{
+		E_BLOCK_MYCELIUM,
+		E_BLOCK_DIRT,
+		E_BLOCK_DIRT,
+		E_BLOCK_DIRT,
+	} ;
+	FillColumnPattern(a_RelX, a_RelZ, a_Height, a_BlockTypes, Pattern, ARRAYCOUNT(Pattern));
+	
+	for (int y = a_Height - ARRAYCOUNT(Pattern); y > 0; y--)
+	{
+		cChunkDef::SetBlock(a_BlockTypes, a_RelX, y, a_RelZ, E_BLOCK_STONE);
+	}
+}
+
+
+
+
+
+void cCompoGenBiomal::FillColumnWaterSand(int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes)
+{
+	FillColumnSand(a_RelX, a_RelZ, a_Height, a_BlockTypes);
+	for (int y = a_Height + 1; y <= m_SeaLevel + 1; y++)
+	{
+		cChunkDef::SetBlock(a_BlockTypes, a_RelX, y, a_RelZ, E_BLOCK_STATIONARY_WATER);
+	}
+}
+
+
+
+
+
+void cCompoGenBiomal::FillColumnWaterDirt(int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes)
+{
+	// Dirt
+	BLOCKTYPE Pattern[] =
+	{
+		E_BLOCK_DIRT,
+		E_BLOCK_DIRT,
+		E_BLOCK_DIRT,
+		E_BLOCK_DIRT,
+	} ;
+	FillColumnPattern(a_RelX, a_RelZ, a_Height, a_BlockTypes, Pattern, ARRAYCOUNT(Pattern));
+
+	for (int y = a_Height - ARRAYCOUNT(Pattern); y > 0; y--)
+	{
+		cChunkDef::SetBlock(a_BlockTypes, a_RelX, y, a_RelZ, E_BLOCK_STONE);
+	}
+	for (int y = a_Height + 1; y <= m_SeaLevel + 1; y++)
+	{
+		cChunkDef::SetBlock(a_BlockTypes, a_RelX, y, a_RelZ, E_BLOCK_STATIONARY_WATER);
+	}
+}
+
+
+
+
+
+
+void cCompoGenBiomal::FillColumnPattern(int a_RelX, int a_RelZ, int a_Height, cChunkDef::BlockTypes & a_BlockTypes, const BLOCKTYPE * a_Pattern, int a_PatternSize)
+{
+	for (int y = a_Height, idx = 0; (y >= 0) && (idx < a_PatternSize); y--, idx++)
+	{
+		cChunkDef::SetBlock(a_BlockTypes, a_RelX, y, a_RelZ, a_Pattern[idx]);
+	}
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cCompoGenNether:
+
+cCompoGenNether::cCompoGenNether(int a_Seed) :
+	m_Noise1(a_Seed + 10),
+	m_Noise2(a_Seed * a_Seed * 10 + a_Seed * 1000 + 6000),
+	m_Threshold(0)
+{
+}
+
+
+
+
+
+void cCompoGenNether::ComposeTerrain(cChunkDesc & a_ChunkDesc)
+{
+	HEIGHTTYPE MaxHeight = a_ChunkDesc.GetMaxHeight();
+	
+	const int SEGMENT_HEIGHT = 8;
+	const int INTERPOL_X = 16;  // Must be a divisor of 16
+	const int INTERPOL_Z = 16;  // Must be a divisor of 16
+	// Interpolate the chunk in 16 * SEGMENT_HEIGHT * 16 "segments", each SEGMENT_HEIGHT blocks high and each linearly interpolated separately.
+	// Have two buffers, one for the lowest floor and one for the highest floor, so that Y-interpolation can be done between them
+	// Then swap the buffers and use the previously-top one as the current-bottom, without recalculating it.
+	
+	int FloorBuf1[17 * 17];
+	int FloorBuf2[17 * 17];
+	int * FloorHi = FloorBuf1;
+	int * FloorLo = FloorBuf2;
+	int BaseX = a_ChunkDesc.GetChunkX() * cChunkDef::Width;
+	int BaseZ = a_ChunkDesc.GetChunkZ() * cChunkDef::Width;
+	
+	// Interpolate the lowest floor:
+	for (int z = 0; z <= 16 / INTERPOL_Z; z++) for (int x = 0; x <= 16 / INTERPOL_X; x++)
+	{
+		FloorLo[INTERPOL_X * x + 17 * INTERPOL_Z * z] = 
+			m_Noise1.IntNoise3DInt(BaseX + INTERPOL_X * x, 0, BaseZ + INTERPOL_Z * z) * 
+			m_Noise2.IntNoise3DInt(BaseX + INTERPOL_X * x, 0, BaseZ + INTERPOL_Z * z) /
+			256;
+	}  // for x, z - FloorLo[]
+	LinearUpscale2DArrayInPlace(FloorLo, 17, 17, INTERPOL_X, INTERPOL_Z);
+	
+	// Interpolate segments:
+	for (int Segment = 0; Segment < MaxHeight; Segment += SEGMENT_HEIGHT)
+	{
+		// First update the high floor:
+		for (int z = 0; z <= 16 / INTERPOL_Z; z++) for (int x = 0; x <= 16 / INTERPOL_X; x++)
+		{
+			FloorHi[INTERPOL_X * x + 17 * INTERPOL_Z * z] =
+				m_Noise1.IntNoise3DInt(BaseX + INTERPOL_X * x, Segment + SEGMENT_HEIGHT, BaseZ + INTERPOL_Z * z) *
+				m_Noise2.IntNoise3DInt(BaseX + INTERPOL_Z * x, Segment + SEGMENT_HEIGHT, BaseZ + INTERPOL_Z * z) /
+				256;
+		}  // for x, z - FloorLo[]
+		LinearUpscale2DArrayInPlace(FloorHi, 17, 17, INTERPOL_X, INTERPOL_Z);
+		
+		// Interpolate between FloorLo and FloorHi:
+		for (int z = 0; z < 16; z++) for (int x = 0; x < 16; x++)
+		{
+			int Lo = FloorLo[x + 17 * z] / 256;
+			int Hi = FloorHi[x + 17 * z] / 256;
+			for (int y = 0; y < SEGMENT_HEIGHT; y++)
+			{
+				int Val = Lo + (Hi - Lo) * y / SEGMENT_HEIGHT;
+				a_ChunkDesc.SetBlockType(x, y + Segment, z, (Val < m_Threshold) ? E_BLOCK_NETHERRACK : E_BLOCK_AIR);
+			}
+		}
+		
+		// Swap the floors:
+		std::swap(FloorLo, FloorHi);
+	}
+	
+	// Bedrock at the bottom and at the top:
+	for (int z = 0; z < 16; z++) for (int x = 0; x < 16; x++)
+	{
+		a_ChunkDesc.SetBlockType(x, 0, z, E_BLOCK_BEDROCK);
+		a_ChunkDesc.SetBlockType(x, a_ChunkDesc.GetHeight(x, z), z, E_BLOCK_BEDROCK);
+	}
+}
+
+
+
+
+
+void cCompoGenNether::InitializeCompoGen(cIniFile & a_IniFile)
+{
+	m_Threshold = a_IniFile.GetValueSetI("Generator", "NetherThreshold", m_Threshold);
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cCompoGenCache:
+
+cCompoGenCache::cCompoGenCache(cTerrainCompositionGen & a_Underlying, int a_CacheSize) :
+	m_Underlying(a_Underlying),
+	m_CacheSize(a_CacheSize),
+	m_CacheOrder(new int[a_CacheSize]),
+	m_CacheData(new sCacheData[a_CacheSize]),
+	m_NumHits(0),
+	m_NumMisses(0),
+	m_TotalChain(0)
+{
+	for (int i = 0; i < m_CacheSize; i++)
+	{
+		m_CacheOrder[i] = i;
+		m_CacheData[i].m_ChunkX = 0x7fffffff;
+		m_CacheData[i].m_ChunkZ = 0x7fffffff;
+	}
+}
+
+
+
+
+
+cCompoGenCache::~cCompoGenCache()
+{
+	delete[] m_CacheData;
+	delete[] m_CacheOrder;
+}
+
+
+
+
+
+void cCompoGenCache::ComposeTerrain(cChunkDesc & a_ChunkDesc)
+{
+	#ifdef _DEBUG
+	if (((m_NumHits + m_NumMisses) % 1024) == 10)
+	{
+		LOGD("CompoGenCache: %d hits, %d misses, saved %.2f %%", m_NumHits, m_NumMisses, 100.0 * m_NumHits / (m_NumHits + m_NumMisses));
+		LOGD("CompoGenCache: Avg cache chain length: %.2f", (float)m_TotalChain / m_NumHits);
+	}
+	#endif  // _DEBUG
+	
+	int ChunkX = a_ChunkDesc.GetChunkX();
+	int ChunkZ = a_ChunkDesc.GetChunkZ();
+	
+	for (int i = 0; i < m_CacheSize; i++)
+	{
+		if (
+			(m_CacheData[m_CacheOrder[i]].m_ChunkX != ChunkX) ||
+			(m_CacheData[m_CacheOrder[i]].m_ChunkZ != ChunkZ)
+		)
+		{
+			continue;
+		}
+		// Found it in the cache
+		int Idx = m_CacheOrder[i];
+		
+		// Move to front:
+		for (int j = i; j > 0; j--)
+		{
+			m_CacheOrder[j] = m_CacheOrder[j - 1];
+		}
+		m_CacheOrder[0] = Idx;
+		
+		// Use the cached data:
+		memcpy(a_ChunkDesc.GetBlockTypes(),             m_CacheData[Idx].m_BlockTypes, sizeof(a_ChunkDesc.GetBlockTypes()));
+		memcpy(a_ChunkDesc.GetBlockMetasUncompressed(), m_CacheData[Idx].m_BlockMetas, sizeof(a_ChunkDesc.GetBlockMetasUncompressed()));
+		
+		m_NumHits++;
+		m_TotalChain += i;
+		return;
+	}  // for i - cache
+	
+	// Not in the cache:
+	m_NumMisses++;
+	m_Underlying.ComposeTerrain(a_ChunkDesc);
+	
+	// Insert it as the first item in the MRU order:
+	int Idx = m_CacheOrder[m_CacheSize - 1];
+	for (int i = m_CacheSize - 1; i > 0; i--)
+	{
+		m_CacheOrder[i] = m_CacheOrder[i - 1];
+	}  // for i - m_CacheOrder[]
+	m_CacheOrder[0] = Idx;
+	memcpy(m_CacheData[Idx].m_BlockTypes, a_ChunkDesc.GetBlockTypes(),             sizeof(a_ChunkDesc.GetBlockTypes()));
+	memcpy(m_CacheData[Idx].m_BlockMetas, a_ChunkDesc.GetBlockMetasUncompressed(), sizeof(a_ChunkDesc.GetBlockMetasUncompressed()));
+	m_CacheData[Idx].m_ChunkX = ChunkX;
+	m_CacheData[Idx].m_ChunkZ = ChunkZ;
+}
+
+
+
+
+
+void cCompoGenCache::InitializeCompoGen(cIniFile & a_IniFile)
+{
+	m_Underlying.InitializeCompoGen(a_IniFile);
+}
+
+
+
+