diff options
Diffstat (limited to '')
| -rw-r--r-- | source/Noise.cpp | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/source/Noise.cpp b/source/Noise.cpp index 333dc8333..729641961 100644 --- a/source/Noise.cpp +++ b/source/Noise.cpp @@ -18,6 +18,87 @@ /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Globals: + +void Debug3DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, int a_SizeZ, const AString & a_FileNameBase) +{ + const int BUF_SIZE = 512; + ASSERT(a_SizeX <= BUF_SIZE); // Just stretch it, if needed + + // Save in XY cuts: + cFile f1; + if (f1.Open(Printf("%s_XY (%d).grab", a_FileNameBase.c_str(), a_SizeX), cFile::fmWrite)) + { + for (int z = 0; z < a_SizeZ; z++) + { + for (int y = 0; y < a_SizeY; y++) + { + int idx = y * a_SizeX + z * a_SizeX * a_SizeY; + unsigned char buf[BUF_SIZE]; + for (int x = 0; x < a_SizeX; x++) + { + buf[x] = (unsigned char)(std::min(255, std::max(0, (int)(128 + 32 * a_Noise[idx++])))); + } + f1.Write(buf, a_SizeX); + } // for y + unsigned char buf[BUF_SIZE]; + memset(buf, 0, a_SizeX); + f1.Write(buf, a_SizeX); + } // for z + } // if (XY file open) + + cFile f2; + if (f2.Open(Printf("%s_XZ (%d).grab", a_FileNameBase.c_str(), a_SizeX), cFile::fmWrite)) + { + for (int y = 0; y < a_SizeY; y++) + { + for (int z = 0; z < a_SizeZ; z++) + { + int idx = y * a_SizeX + z * a_SizeX * a_SizeY; + unsigned char buf[BUF_SIZE]; + for (int x = 0; x < a_SizeX; x++) + { + buf[x] = (unsigned char)(std::min(255, std::max(0, (int)(128 + 32 * a_Noise[idx++])))); + } + f2.Write(buf, a_SizeX); + } // for z + unsigned char buf[BUF_SIZE]; + memset(buf, 0, a_SizeX); + f2.Write(buf, a_SizeX); + } // for y + } // if (XZ file open) +} + + + + + +void Debug2DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, const AString & a_FileNameBase) +{ + const int BUF_SIZE = 512; + ASSERT(a_SizeX <= BUF_SIZE); // Just stretch it, if needed + + cFile f1; + if (f1.Open(Printf("%s (%d).grab", a_FileNameBase.c_str(), a_SizeX), cFile::fmWrite)) + { + for (int y = 0; y < a_SizeY; y++) + { + int idx = y * a_SizeX; + unsigned char buf[BUF_SIZE]; + for (int x = 0; x < a_SizeX; x++) + { + buf[x] = (unsigned char)(std::min(255, std::max(0, (int)(128 + 32 * a_Noise[idx++])))); + } + f1.Write(buf, a_SizeX); + } // for y + } // if (file open) +} + + + + + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // cCubicCell2D: class cCubicCell2D @@ -755,6 +836,7 @@ void cPerlinNoise::Generate2D( if (m_Octaves.empty()) { // No work to be done + ASSERT(!"Perlin: No octaves to generate!"); return; } @@ -816,6 +898,7 @@ void cPerlinNoise::Generate3D( if (m_Octaves.empty()) { // No work to be done + ASSERT(!"Perlin: No octaves to generate!"); return; } |