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author | Alexander Harkness <me@bearbin.net> | 2024-11-02 22:27:47 +0100 |
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committer | Alexander Harkness <me@bearbin.net> | 2024-11-02 22:27:47 +0100 |
commit | cb50ec10591c0e0e4b9915e642bc50d3d8d1fd0a (patch) | |
tree | f647b20e1823f1846af88e832cf82a4a02e96e69 /src/Generating/CompoGen.cpp | |
parent | Improve clang-format config file, remove automatically enforced code style from contrib guide. (diff) | |
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Diffstat (limited to 'src/Generating/CompoGen.cpp')
-rw-r--r-- | src/Generating/CompoGen.cpp | 208 |
1 files changed, 107 insertions, 101 deletions
diff --git a/src/Generating/CompoGen.cpp b/src/Generating/CompoGen.cpp index 02786ede9..77354ef6b 100644 --- a/src/Generating/CompoGen.cpp +++ b/src/Generating/CompoGen.cpp @@ -65,32 +65,16 @@ void cCompoGenSameBlock::InitializeCompoGen(cIniFile & a_IniFile) void cCompoGenDebugBiomes::ComposeTerrain(cChunkDesc & a_ChunkDesc, const cChunkDesc::Shape & a_Shape) { - 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, - } ; + 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.SetHeightFromShape(a_Shape); a_ChunkDesc.FillBlocks(E_BLOCK_AIR, 0); @@ -146,9 +130,9 @@ void cCompoGenClassic::ComposeTerrain(cChunkDesc & a_ChunkDesc, const cChunkDesc a_ChunkDesc.SetHeightFromShape(a_Shape); // 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} ; + 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)); @@ -196,15 +180,21 @@ void cCompoGenClassic::ComposeTerrain(cChunkDesc & a_ChunkDesc, const cChunkDesc void cCompoGenClassic::InitializeCompoGen(cIniFile & a_IniFile) { - m_SeaLevel = a_IniFile.GetValueSetI("Generator", "SeaLevel", m_SeaLevel); - m_BeachHeight = a_IniFile.GetValueSetI("Generator", "ClassicBeachHeight", m_BeachHeight); - m_BeachDepth = a_IniFile.GetValueSetI("Generator", "ClassicBeachDepth", m_BeachDepth); - m_BlockTop = static_cast<BLOCKTYPE>(GetIniItemSet(a_IniFile, "Generator", "ClassicBlockTop", "grass").m_ItemType); - m_BlockMiddle = static_cast<BLOCKTYPE>(GetIniItemSet(a_IniFile, "Generator", "ClassicBlockMiddle", "dirt").m_ItemType); - m_BlockBottom = static_cast<BLOCKTYPE>(GetIniItemSet(a_IniFile, "Generator", "ClassicBlockBottom", "stone").m_ItemType); - m_BlockBeach = static_cast<BLOCKTYPE>(GetIniItemSet(a_IniFile, "Generator", "ClassicBlockBeach", "sand").m_ItemType); - m_BlockBeachBottom = static_cast<BLOCKTYPE>(GetIniItemSet(a_IniFile, "Generator", "ClassicBlockBeachBottom", "sandstone").m_ItemType); - m_BlockSea = static_cast<BLOCKTYPE>(GetIniItemSet(a_IniFile, "Generator", "ClassicBlockSea", "stationarywater").m_ItemType); + m_SeaLevel = a_IniFile.GetValueSetI("Generator", "SeaLevel", m_SeaLevel); + m_BeachHeight = a_IniFile.GetValueSetI("Generator", "ClassicBeachHeight", m_BeachHeight); + m_BeachDepth = a_IniFile.GetValueSetI("Generator", "ClassicBeachDepth", m_BeachDepth); + m_BlockTop = static_cast<BLOCKTYPE>(GetIniItemSet(a_IniFile, "Generator", "ClassicBlockTop", "grass").m_ItemType); + m_BlockMiddle = + static_cast<BLOCKTYPE>(GetIniItemSet(a_IniFile, "Generator", "ClassicBlockMiddle", "dirt").m_ItemType); + m_BlockBottom = + static_cast<BLOCKTYPE>(GetIniItemSet(a_IniFile, "Generator", "ClassicBlockBottom", "stone").m_ItemType); + m_BlockBeach = + static_cast<BLOCKTYPE>(GetIniItemSet(a_IniFile, "Generator", "ClassicBlockBeach", "sand").m_ItemType); + m_BlockBeachBottom = + static_cast<BLOCKTYPE>(GetIniItemSet(a_IniFile, "Generator", "ClassicBlockBeachBottom", "sandstone").m_ItemType + ); + m_BlockSea = + static_cast<BLOCKTYPE>(GetIniItemSet(a_IniFile, "Generator", "ClassicBlockSea", "stationarywater").m_ItemType); } @@ -215,9 +205,7 @@ void cCompoGenClassic::InitializeCompoGen(cIniFile & a_IniFile) // cCompoGenNether: cCompoGenNether::cCompoGenNether(int a_Seed) : - m_Noise1(a_Seed + 10), - m_Noise2(a_Seed * a_Seed * 10 + a_Seed * 1000 + 6000), - m_MaxThreshold(25000) + m_Noise1(a_Seed + 10), m_Noise2(a_Seed * a_Seed * 10 + a_Seed * 1000 + 6000), m_MaxThreshold(25000) { } @@ -232,9 +220,10 @@ void cCompoGenNether::ComposeTerrain(cChunkDesc & a_ChunkDesc, const cChunkDesc: 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. + // 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]; @@ -244,73 +233,84 @@ void cCompoGenNether::ComposeTerrain(cChunkDesc & a_ChunkDesc, const cChunkDesc: 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++) - { - // We need to store the intermediate result in a volatile variable, otherwise gcc -O2 optimizes - // through the undefined behavior in cNoise and produces different data than the other platforms / build types (#4384) - volatile int intermediate = - m_Noise1.IntNoise3DInt(BaseX + INTERPOL_X * x, 0, BaseZ + INTERPOL_Z * z) * - m_Noise2.IntNoise3DInt(BaseX + INTERPOL_X * x, 0, BaseZ + INTERPOL_Z * z); - FloorLo[INTERPOL_X * x + 17 * INTERPOL_Z * z] = intermediate / 256; - } // for x, z - FloorLo[] + for (int z = 0; z <= 16 / INTERPOL_Z; z++) + for (int x = 0; x <= 16 / INTERPOL_X; x++) + { + // We need to store the intermediate result in a volatile variable, otherwise gcc -O2 optimizes + // through the undefined behavior in cNoise and produces different data than the other platforms / build + // types (#4384) + volatile int intermediate = m_Noise1.IntNoise3DInt(BaseX + INTERPOL_X * x, 0, BaseZ + INTERPOL_Z * z) * + m_Noise2.IntNoise3DInt(BaseX + INTERPOL_X * x, 0, BaseZ + INTERPOL_Z * z); + FloorLo[INTERPOL_X * x + 17 * INTERPOL_Z * z] = intermediate / 256; + } // for x, z - FloorLo[] LinearUpscale2DArrayInPlace<17, 17, INTERPOL_X, INTERPOL_Z>(FloorLo); // 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++) - { - // We need to store the intermediate result in a volatile variable, otherwise gcc -O2 optimizes - // through the undefined behavior in cNoise and produces different data than the other platforms / build types (#4384) - volatile int intermediate = - 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); - FloorHi[INTERPOL_X * x + 17 * INTERPOL_Z * z] = intermediate / 256; - } // for x, z - FloorLo[] + for (int z = 0; z <= 16 / INTERPOL_Z; z++) + for (int x = 0; x <= 16 / INTERPOL_X; x++) + { + // We need to store the intermediate result in a volatile variable, otherwise gcc -O2 optimizes + // through the undefined behavior in cNoise and produces different data than the other platforms / build + // types (#4384) + volatile int intermediate = + 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); + FloorHi[INTERPOL_X * x + 17 * INTERPOL_Z * z] = intermediate / 256; + } // for x, z - FloorLo[] LinearUpscale2DArrayInPlace<17, 17, INTERPOL_X, INTERPOL_Z>(FloorHi); // Interpolate between FloorLo and FloorHi: - for (int z = 0; z < 16; z++) for (int x = 0; x < 16; x++) - { - int Threshold = static_cast<int>(m_Noise1.CubicNoise2D(static_cast<float>(BaseX + x) / 75, static_cast<float>(BaseZ + z) / 75) * m_MaxThreshold); - int Lo = FloorLo[x + 17 * z] / 256; - int Hi = FloorHi[x + 17 * z] / 256; - for (int y = 0; y < SEGMENT_HEIGHT; y++) + for (int z = 0; z < 16; z++) + for (int x = 0; x < 16; x++) { - int Val = Lo + (Hi - Lo) * y / SEGMENT_HEIGHT; - if (Val < Threshold) + int Threshold = static_cast<int>( + m_Noise1.CubicNoise2D(static_cast<float>(BaseX + x) / 75, static_cast<float>(BaseZ + z) / 75) * + m_MaxThreshold + ); + int Lo = FloorLo[x + 17 * z] / 256; + int Hi = FloorHi[x + 17 * z] / 256; + for (int y = 0; y < SEGMENT_HEIGHT; y++) { - a_ChunkDesc.SetBlockType(x, y + Segment, z, E_BLOCK_NETHERRACK); + int Val = Lo + (Hi - Lo) * y / SEGMENT_HEIGHT; + if (Val < Threshold) + { + a_ChunkDesc.SetBlockType(x, y + Segment, z, E_BLOCK_NETHERRACK); + } } } - } // Swap the floors: std::swap(FloorLo, FloorHi); } // Bedrock at the bottom and at the top, cover ceiling with netherrack: - for (int z = 0; z < 16; z++) for (int x = 0; x < 16; x++) - { - a_ChunkDesc.SetBlockType(x, 0, z, E_BLOCK_BEDROCK); + for (int z = 0; z < 16; z++) + for (int x = 0; x < 16; x++) + { + a_ChunkDesc.SetBlockType(x, 0, z, E_BLOCK_BEDROCK); - int Height = a_ChunkDesc.GetHeight(x, z); - a_ChunkDesc.SetBlockType(x, Height, z, E_BLOCK_BEDROCK); + int Height = a_ChunkDesc.GetHeight(x, z); + a_ChunkDesc.SetBlockType(x, Height, z, E_BLOCK_BEDROCK); - NOISE_DATATYPE CeilingDisguise = (m_Noise1.CubicNoise2D(static_cast<float>(a_ChunkDesc.GetChunkX() * cChunkDef::Width + x) / 10, static_cast<float>(a_ChunkDesc.GetChunkZ() * cChunkDef::Width + z) / 10)); - if (CeilingDisguise < 0) - { - CeilingDisguise = -CeilingDisguise; - } + NOISE_DATATYPE CeilingDisguise = (m_Noise1.CubicNoise2D( + static_cast<float>(a_ChunkDesc.GetChunkX() * cChunkDef::Width + x) / 10, + static_cast<float>(a_ChunkDesc.GetChunkZ() * cChunkDef::Width + z) / 10 + )); + if (CeilingDisguise < 0) + { + CeilingDisguise = -CeilingDisguise; + } - int CeilingDisguiseHeight = Height - 2 - FloorC(CeilingDisguise * 3); + int CeilingDisguiseHeight = Height - 2 - FloorC(CeilingDisguise * 3); - for (int y = Height - 1; y > CeilingDisguiseHeight; y--) - { - a_ChunkDesc.SetBlockType(x, y, z, E_BLOCK_NETHERRACK); + for (int y = Height - 1; y > CeilingDisguiseHeight; y--) + { + a_ChunkDesc.SetBlockType(x, y, z, E_BLOCK_NETHERRACK); + } } - } } @@ -364,23 +364,21 @@ cCompoGenCache::~cCompoGenCache() void cCompoGenCache::ComposeTerrain(cChunkDesc & a_ChunkDesc, const cChunkDesc::Shape & a_Shape) { - #ifndef NDEBUG +#ifndef NDEBUG 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", static_cast<float>(m_TotalChain) / m_NumHits); + // 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", + // static_cast<float>(m_TotalChain) / m_NumHits); } - #endif // !NDEBUG +#endif // !NDEBUG 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) - ) + if ((m_CacheData[m_CacheOrder[i]].m_ChunkX != ChunkX) || (m_CacheData[m_CacheOrder[i]].m_ChunkZ != ChunkZ)) { continue; } @@ -395,9 +393,13 @@ void cCompoGenCache::ComposeTerrain(cChunkDesc & a_ChunkDesc, const cChunkDesc:: 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())); - memcpy(a_ChunkDesc.GetHeightMap(), m_CacheData[Idx].m_HeightMap, sizeof(a_ChunkDesc.GetHeightMap())); + 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()) + ); + memcpy(a_ChunkDesc.GetHeightMap(), m_CacheData[Idx].m_HeightMap, sizeof(a_ChunkDesc.GetHeightMap())); m_NumHits++; m_TotalChain += i; @@ -415,9 +417,13 @@ void cCompoGenCache::ComposeTerrain(cChunkDesc & a_ChunkDesc, const cChunkDesc:: 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())); - memcpy(m_CacheData[Idx].m_HeightMap, a_ChunkDesc.GetHeightMap(), sizeof(a_ChunkDesc.GetHeightMap())); + 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()) + ); + memcpy(m_CacheData[Idx].m_HeightMap, a_ChunkDesc.GetHeightMap(), sizeof(a_ChunkDesc.GetHeightMap())); m_CacheData[Idx].m_ChunkX = ChunkX; m_CacheData[Idx].m_ChunkZ = ChunkZ; } |