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-rw-r--r--src/Generating/Noise3DGenerator.cpp57
1 files changed, 26 insertions, 31 deletions
diff --git a/src/Generating/Noise3DGenerator.cpp b/src/Generating/Noise3DGenerator.cpp
index f47c64430..03626a800 100644
--- a/src/Generating/Noise3DGenerator.cpp
+++ b/src/Generating/Noise3DGenerator.cpp
@@ -25,8 +25,8 @@ public:
DoTest1();
DoTest2();
}
-
-
+
+
void DoTest1(void)
{
float In[3 * 3 * 3];
@@ -39,8 +39,8 @@ public:
LinearUpscale3DArray(In, 3, 3, 3, Out, 8, 16, 17);
Debug3DNoise(Out, 17, 33, 35, "Upscale3D test");
}
-
-
+
+
void DoTest2(void)
{
float In[3 * 3];
@@ -53,7 +53,7 @@ public:
LinearUpscale2DArray(In, 3, 3, Out, 8, 16);
Debug2DNoise(Out, 17, 33, "Upscale2D test");
}
-
+
} gTest;
//*/
@@ -72,7 +72,7 @@ cNoise3DGenerator::cNoise3DGenerator(cChunkGenerator & a_ChunkGenerator) :
m_Perlin.AddOctave(1, (NOISE_DATATYPE)0.5);
m_Perlin.AddOctave((NOISE_DATATYPE)0.5, 1);
m_Perlin.AddOctave((NOISE_DATATYPE)0.5, 2);
-
+
#if 0
// DEBUG: Test the noise generation:
// NOTE: In order to be able to run MCS with this code, you need to increase the default thread stack size
@@ -84,7 +84,7 @@ cNoise3DGenerator::cNoise3DGenerator(cChunkGenerator & a_ChunkGenerator) :
m_FrequencyY = 4;
m_FrequencyZ = 4;
m_AirThreshold = 0.5;
-
+
const int NumChunks = 4;
NOISE_DATATYPE Noise[NumChunks][cChunkDef::Width * cChunkDef::Width * cChunkDef::Height];
for (int x = 0; x < NumChunks; x++)
@@ -153,7 +153,7 @@ cNoise3DGenerator::~cNoise3DGenerator()
void cNoise3DGenerator::Initialize(cWorld * a_World, cIniFile & a_IniFile)
{
m_World = a_World;
-
+
// Params:
m_SeaLevel = a_IniFile.GetValueSetI("Generator", "Noise3DSeaLevel", 62);
m_HeightAmplification = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DHeightAmplification", 0);
@@ -170,7 +170,7 @@ void cNoise3DGenerator::Initialize(cWorld * a_World, cIniFile & a_IniFile)
void cNoise3DGenerator::GenerateBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap)
{
- for (int i = 0; i < ARRAYCOUNT(a_BiomeMap); i++)
+ for (unsigned int i = 0; i < ARRAYCOUNT(a_BiomeMap); i++)
{
a_BiomeMap[i] = biExtremeHills;
}
@@ -184,7 +184,7 @@ void cNoise3DGenerator::DoGenerate(int a_ChunkX, int a_ChunkZ, cChunkDesc & a_Ch
{
NOISE_DATATYPE Noise[17 * 257 * 17];
GenerateNoiseArray(a_ChunkX, a_ChunkZ, Noise);
-
+
// Output noise into chunk:
for (int z = 0; z < cChunkDef::Width; z++)
{
@@ -207,7 +207,7 @@ void cNoise3DGenerator::DoGenerate(int a_ChunkX, int a_ChunkZ, cChunkDesc & a_Ch
}
}
}
-
+
UpdateHeightmap(a_ChunkDesc);
ComposeTerrain (a_ChunkDesc);
}
@@ -228,19 +228,19 @@ void cNoise3DGenerator::GenerateNoiseArray(int a_ChunkX, int a_ChunkZ, NOISE_DAT
NOISE_DATATYPE EndZ = ((NOISE_DATATYPE)((a_ChunkZ + 1) * cChunkDef::Width) - 1) / m_FrequencyZ;
NOISE_DATATYPE StartY = 0;
NOISE_DATATYPE EndY = ((NOISE_DATATYPE)256) / m_FrequencyY;
-
+
m_Perlin.Generate3D(NoiseO, DIM_X, DIM_Y, DIM_Z, StartX, EndX, StartY, EndY, StartZ, EndZ, NoiseW);
-
+
// DEBUG: Debug3DNoise(NoiseO, DIM_X, DIM_Y, DIM_Z, Printf("Chunk_%d_%d_orig", a_ChunkX, a_ChunkZ));
-
+
// Precalculate a "height" array:
NOISE_DATATYPE Height[DIM_X * DIM_Z]; // Output for the cubic noise heightmap ("source")
m_Cubic.Generate2D(Height, DIM_X, DIM_Z, StartX / 25, EndX / 25, StartZ / 25, EndZ / 25);
- for (int i = 0; i < ARRAYCOUNT(Height); i++)
+ for (unsigned int i = 0; i < ARRAYCOUNT(Height); i++)
{
Height[i] = abs(Height[i]) * m_HeightAmplification + 1;
}
-
+
// Modify the noise by height data:
for (int y = 0; y < DIM_Y; y++)
{
@@ -257,13 +257,13 @@ void cNoise3DGenerator::GenerateNoiseArray(int a_ChunkX, int a_ChunkZ, NOISE_DAT
}
// DEBUG: Debug3DNoise(NoiseO, DIM_X, DIM_Y, DIM_Z, Printf("Chunk_%d_%d_hei", a_ChunkX, a_ChunkZ));
-
+
// Upscale the Perlin noise into full-blown chunk dimensions:
LinearUpscale3DArray(
NoiseO, DIM_X, DIM_Y, DIM_Z,
a_OutNoise, UPSCALE_X, UPSCALE_Y, UPSCALE_Z
);
-
+
// DEBUG: Debug3DNoise(a_OutNoise, 17, 257, 17, Printf("Chunk_%d_%d_lerp", a_ChunkX, a_ChunkZ));
}
@@ -383,15 +383,11 @@ void cNoise3DComposable::GenerateNoiseArrayIfNeeded(int a_ChunkX, int a_ChunkZ)
}
m_LastChunkX = a_ChunkX;
m_LastChunkZ = a_ChunkZ;
-
+
// Upscaling parameters:
const int UPSCALE_X = 8;
const int UPSCALE_Y = 4;
const int UPSCALE_Z = 8;
-
- const int DIM_X = 1 + cChunkDef::Width / UPSCALE_X;
- const int DIM_Y = 1 + cChunkDef::Height / UPSCALE_Y;
- const int DIM_Z = 1 + cChunkDef::Width / UPSCALE_Z;
// Precalculate a "height" array:
NOISE_DATATYPE Height[17 * 17]; // x + 17 * z
@@ -405,8 +401,7 @@ void cNoise3DComposable::GenerateNoiseArrayIfNeeded(int a_ChunkX, int a_ChunkZ)
Height[x + 17 * z] = val * val * val;
}
}
-
- int idx = 0;
+
for (int y = 0; y < 257; y += UPSCALE_Y)
{
NOISE_DATATYPE NoiseY = ((NOISE_DATATYPE)y) / m_FrequencyY;
@@ -419,7 +414,7 @@ void cNoise3DComposable::GenerateNoiseArrayIfNeeded(int a_ChunkX, int a_ChunkZ)
for (int x = 0; x < 17; x += UPSCALE_X)
{
NOISE_DATATYPE NoiseX = ((NOISE_DATATYPE)(a_ChunkX * cChunkDef::Width + x)) / m_FrequencyX;
- CurFloor[x + 17 * z] =
+ CurFloor[x + 17 * z] =
m_Noise1.CubicNoise3D(NoiseX, NoiseY, NoiseZ) * (NOISE_DATATYPE)0.5 +
m_Noise2.CubicNoise3D(NoiseX / 2, NoiseY / 2, NoiseZ / 2) +
m_Noise3.CubicNoise3D(NoiseX / 4, NoiseY / 4, NoiseZ / 4) * 2 +
@@ -429,7 +424,7 @@ void cNoise3DComposable::GenerateNoiseArrayIfNeeded(int a_ChunkX, int a_ChunkZ)
// Linear-interpolate this XZ floor:
LinearUpscale2DArrayInPlace(CurFloor, 17, 17, UPSCALE_X, UPSCALE_Z);
}
-
+
// Finish the 3D linear interpolation by interpolating between each XZ-floors on the Y axis
for (int y = 1; y < cChunkDef::Height; y++)
{
@@ -455,7 +450,7 @@ void cNoise3DComposable::GenerateNoiseArrayIfNeeded(int a_ChunkX, int a_ChunkZ)
idx += 1; // Skipping one X column
}
}
-
+
// The noise array is now fully interpolated
/*
// DEBUG: Output two images of the array, sliced by XY and XZ:
@@ -504,7 +499,7 @@ void cNoise3DComposable::GenerateNoiseArrayIfNeeded(int a_ChunkX, int a_ChunkZ)
void cNoise3DComposable::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap)
{
GenerateNoiseArrayIfNeeded(a_ChunkX, a_ChunkZ);
-
+
for (int z = 0; z < cChunkDef::Width; z++)
{
for (int x = 0; x < cChunkDef::Width; x++)
@@ -529,9 +524,9 @@ void cNoise3DComposable::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::Hei
void cNoise3DComposable::ComposeTerrain(cChunkDesc & a_ChunkDesc)
{
GenerateNoiseArrayIfNeeded(a_ChunkDesc.GetChunkX(), a_ChunkDesc.GetChunkZ());
-
+
a_ChunkDesc.FillBlocks(E_BLOCK_AIR, 0);
-
+
// Make basic terrain composition:
for (int z = 0; z < cChunkDef::Width; z++)
{
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 10:06:49 +0100