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-rw-r--r--source/Noise.cpp83
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;
}