diff options
Diffstat (limited to 'src/VoronoiMap.cpp')
| -rw-r--r-- | src/VoronoiMap.cpp | 35 |
1 files changed, 30 insertions, 5 deletions
diff --git a/src/VoronoiMap.cpp b/src/VoronoiMap.cpp index 5efd09c01..68147ebfc 100644 --- a/src/VoronoiMap.cpp +++ b/src/VoronoiMap.cpp @@ -10,11 +10,13 @@ -cVoronoiMap::cVoronoiMap(int a_Seed, int a_CellSize) : +cVoronoiMap::cVoronoiMap(int a_Seed, int a_CellSize, int a_JitterSize) : m_Noise1(a_Seed + 1), m_Noise2(a_Seed + 2), m_Noise3(a_Seed + 3), - m_CellSize(a_CellSize), + m_CellSize(std::max(a_CellSize, 2)), + m_JitterSize(Clamp(a_JitterSize, 1, a_CellSize)), + m_OddRowOffset(0), m_CurrentCellX(9999999), // Cell coords that are definitely out of the range for normal generator, so that the first query will overwrite them m_CurrentCellZ(9999999) { @@ -26,7 +28,29 @@ cVoronoiMap::cVoronoiMap(int a_Seed, int a_CellSize) : void cVoronoiMap::SetCellSize(int a_CellSize) { + a_CellSize = std::max(a_CellSize, 2); // Cell size must be at least 2 m_CellSize = a_CellSize; + + // For compatibility with previous version, which didn't have the jitter, we set jitter here as well. + m_JitterSize = a_CellSize; +} + + + + + +void cVoronoiMap::SetJitterSize(int a_JitterSize) +{ + m_JitterSize = Clamp(a_JitterSize, 1, m_CellSize); +} + + + + + +void cVoronoiMap::SetOddRowOffset(int a_OddRowOffset) +{ + m_OddRowOffset = Clamp(a_OddRowOffset, -m_CellSize, m_CellSize); } @@ -111,12 +135,13 @@ void cVoronoiMap::UpdateCell(int a_CellX, int a_CellZ) for (int x = 0; x < 5; x++) { int BaseX = (NoiseBaseX + x) * m_CellSize; + int OddRowOffset = ((NoiseBaseX + x) & 0x01) * m_OddRowOffset; for (int z = 0; z < 5; z++) { - int OffsetX = (m_Noise1.IntNoise2DInt(NoiseBaseX + x, NoiseBaseZ + z) / 8) % m_CellSize; - int OffsetZ = (m_Noise2.IntNoise2DInt(NoiseBaseX + x, NoiseBaseZ + z) / 8) % m_CellSize; + int OffsetX = (m_Noise1.IntNoise2DInt(NoiseBaseX + x, NoiseBaseZ + z) / 8) % m_JitterSize; + int OffsetZ = (m_Noise2.IntNoise2DInt(NoiseBaseX + x, NoiseBaseZ + z) / 8) % m_JitterSize; m_SeedX[x][z] = BaseX + OffsetX; - m_SeedZ[x][z] = (NoiseBaseZ + z) * m_CellSize + OffsetZ; + m_SeedZ[x][z] = (NoiseBaseZ + z) * m_CellSize + OddRowOffset + OffsetZ; } // for z } // for x m_CurrentCellX = a_CellX; |