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Merge remote-tracking branch 'origin/master' into GeneratorShapeRefactor

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This commit is contained in:
Mattes D
2014-11-20 10:13:10 +01:00
parent 1240e583d2 f1bddc607c
commit 288cbf12cb
38 changed files with 1493 additions and 603 deletions
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204
src/Generating/Noise3DGenerator.cpp
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@@ -6,6 +6,7 @@
#include "Globals.h"
#include "Noise3DGenerator.h"
#include "../OSSupport/File.h"
#include "../OSSupport/Timer.h"
#include "../IniFile.h"
#include "../LinearInterpolation.h"
#include "../LinearUpscale.h"
@@ -61,30 +62,86 @@ public:
/** Linearly interpolates between two values.
Assumes that a_Ratio is in range [0, 1]. */
inline static NOISE_DATATYPE Lerp(NOISE_DATATYPE a_Val1, NOISE_DATATYPE a_Val2, NOISE_DATATYPE a_Ratio)
#if 0
// Perform speed test of the cInterpolNoise class
static class cInterpolNoiseSpeedTest
{
return a_Val1 + (a_Val2 - a_Val1) * a_Ratio;
}
/** Linearly interpolates between two values, clamping the ratio to [0, 1] first. */
inline static NOISE_DATATYPE ClampedLerp(NOISE_DATATYPE a_Val1, NOISE_DATATYPE a_Val2, NOISE_DATATYPE a_Ratio)
{
if (a_Ratio < 0)
public:
cInterpolNoiseSpeedTest(void)
{
return a_Val1;
TestSpeed2D();
TestSpeed3D();
printf("InterpolNoise speed comparison finished.\n");
}
if (a_Ratio > 1)
/** Compare the speed of the 3D InterpolNoise vs 3D CubicNoise. */
void TestSpeed3D(void)
{
return a_Val2;
printf("Evaluating 3D noise performance...\n");
static const int SIZE_X = 128;
static const int SIZE_Y = 128;
static const int SIZE_Z = 128;
static const NOISE_DATATYPE MUL = 80;
std::unique_ptr<NOISE_DATATYPE[]> arr(new NOISE_DATATYPE[SIZE_X * SIZE_Y * SIZE_Z]);
cTimer timer;
// Test the cInterpolNoise:
cInterpolNoise<Interp5Deg> interpNoise(1);
long long start = timer.GetNowTime();
for (int i = 0; i < 30; i++)
{
interpNoise.Generate3D(arr.get(), SIZE_X, SIZE_Y, SIZE_Z, MUL * i, MUL * i + MUL, 0, MUL, 0, MUL);
}
long long end = timer.GetNowTime();
printf("InterpolNoise took %.02f sec\n", static_cast<float>(end - start) / 1000);
// Test the cCubicNoise:
cCubicNoise cubicNoise(1);
start = timer.GetNowTime();
for (int i = 0; i < 30; i++)
{
cubicNoise.Generate3D(arr.get(), SIZE_X, SIZE_Y, SIZE_Z, MUL * i, MUL * i + MUL, 0, MUL, 0, MUL);
}
end = timer.GetNowTime();
printf("CubicNoise took %.02f sec\n", static_cast<float>(end - start) / 1000);
printf("3D noise performance comparison finished.\n");
}
return Lerp(a_Val1, a_Val2, a_Ratio);
}
/** Compare the speed of the 2D InterpolNoise vs 2D CubicNoise. */
void TestSpeed2D(void)
{
printf("Evaluating 2D noise performance...\n");
static const int SIZE_X = 128;
static const int SIZE_Y = 128;
static const NOISE_DATATYPE MUL = 80;
std::unique_ptr<NOISE_DATATYPE[]> arr(new NOISE_DATATYPE[SIZE_X * SIZE_Y]);
cTimer timer;
// Test the cInterpolNoise:
cInterpolNoise<Interp5Deg> interpNoise(1);
long long start = timer.GetNowTime();
for (int i = 0; i < 500; i++)
{
interpNoise.Generate2D(arr.get(), SIZE_X, SIZE_Y, MUL * i, MUL * i + MUL, 0, MUL);
}
long long end = timer.GetNowTime();
printf("InterpolNoise took %.02f sec\n", static_cast<float>(end - start) / 1000);
// Test the cCubicNoise:
cCubicNoise cubicNoise(1);
start = timer.GetNowTime();
for (int i = 0; i < 500; i++)
{
cubicNoise.Generate2D(arr.get(), SIZE_X, SIZE_Y, MUL * i, MUL * i + MUL, 0, MUL);
}
end = timer.GetNowTime();
printf("CubicNoise took %.02f sec\n", static_cast<float>(end - start) / 1000);
printf("2D noise performance comparison finished.\n");
}
} g_InterpolNoiseSpeedTest;
#endif
@@ -98,9 +155,17 @@ cNoise3DGenerator::cNoise3DGenerator(cChunkGenerator & a_ChunkGenerator) :
m_Perlin(1000),
m_Cubic(1000)
{
m_Perlin.AddOctave(1, (NOISE_DATATYPE)0.5);
m_Perlin.AddOctave((NOISE_DATATYPE)0.5, 1);
m_Perlin.AddOctave((NOISE_DATATYPE)0.5, 2);
m_Perlin.AddOctave(1, 1);
m_Perlin.AddOctave(2, 0.5);
m_Perlin.AddOctave(4, 0.25);
m_Perlin.AddOctave(8, 0.125);
m_Perlin.AddOctave(16, 0.0625);
m_Cubic.AddOctave(1, 1);
m_Cubic.AddOctave(2, 0.5);
m_Cubic.AddOctave(4, 0.25);
m_Cubic.AddOctave(8, 0.125);
m_Cubic.AddOctave(16, 0.0625);
#if 0
// DEBUG: Test the noise generation:
@@ -183,8 +248,8 @@ void cNoise3DGenerator::Initialize(cIniFile & a_IniFile)
{
// Params:
m_SeaLevel = a_IniFile.GetValueSetI("Generator", "Noise3DSeaLevel", 62);
m_HeightAmplification = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DHeightAmplification", 0);
m_MidPoint = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DMidPoint", 75);
m_HeightAmplification = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DHeightAmplification", 0.1);
m_MidPoint = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DMidPoint", 68);
m_FrequencyX = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DFrequencyX", 8);
m_FrequencyY = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DFrequencyY", 8);
m_FrequencyZ = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "Noise3DFrequencyZ", 8);
@@ -249,10 +314,10 @@ void cNoise3DGenerator::GenerateNoiseArray(int a_ChunkX, int a_ChunkZ, NOISE_DAT
NOISE_DATATYPE NoiseW[DIM_X * DIM_Y * DIM_Z]; // Workspace that the noise calculation can use and trash
// Our noise array has different layout, XZY, instead of regular chunk's XYZ, that's why the coords are "renamed"
NOISE_DATATYPE StartX = ((NOISE_DATATYPE)(a_ChunkX * cChunkDef::Width)) / m_FrequencyX;
NOISE_DATATYPE EndX = ((NOISE_DATATYPE)((a_ChunkX + 1) * cChunkDef::Width) - 1) / m_FrequencyX;
NOISE_DATATYPE StartZ = ((NOISE_DATATYPE)(a_ChunkZ * cChunkDef::Width)) / m_FrequencyZ;
NOISE_DATATYPE EndZ = ((NOISE_DATATYPE)((a_ChunkZ + 1) * cChunkDef::Width) - 1) / m_FrequencyZ;
NOISE_DATATYPE StartX = ((NOISE_DATATYPE)(a_ChunkX * cChunkDef::Width)) / m_FrequencyX;
NOISE_DATATYPE EndX = ((NOISE_DATATYPE)((a_ChunkX + 1) * cChunkDef::Width)) / m_FrequencyX;
NOISE_DATATYPE StartZ = ((NOISE_DATATYPE)(a_ChunkZ * cChunkDef::Width)) / m_FrequencyZ;
NOISE_DATATYPE EndZ = ((NOISE_DATATYPE)((a_ChunkZ + 1) * cChunkDef::Width)) / m_FrequencyZ;
NOISE_DATATYPE StartY = 0;
NOISE_DATATYPE EndY = ((NOISE_DATATYPE)256) / m_FrequencyY;
@@ -262,23 +327,23 @@ void cNoise3DGenerator::GenerateNoiseArray(int a_ChunkX, int a_ChunkZ, NOISE_DAT
// 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);
m_Cubic.Generate2D(Height, DIM_X, DIM_Z, StartX / 5, EndX / 5, StartZ / 5, EndZ / 5);
for (size_t i = 0; i < ARRAYCOUNT(Height); i++)
{
Height[i] = std::abs(Height[i]) * m_HeightAmplification + 1;
Height[i] = Height[i] * m_HeightAmplification;
}
// Modify the noise by height data:
for (int y = 0; y < DIM_Y; y++)
{
NOISE_DATATYPE AddHeight = (y * UPSCALE_Y - m_MidPoint) / 20;
AddHeight *= AddHeight * AddHeight;
NOISE_DATATYPE AddHeight = (y * UPSCALE_Y - m_MidPoint) / 30;
// AddHeight *= AddHeight * AddHeight;
for (int z = 0; z < DIM_Z; z++)
{
NOISE_DATATYPE * CurRow = &(NoiseO[y * DIM_X + z * DIM_X * DIM_Y]);
for (int x = 0; x < DIM_X; x++)
{
CurRow[x] += AddHeight / Height[x + DIM_X * z];
CurRow[x] += AddHeight + Height[x + DIM_X * z];
}
}
}
@@ -701,14 +766,71 @@ void cBiomalNoise3DComposable::GetBiomeParams(EMCSBiome a_Biome, NOISE_DATATYPE
{
switch (a_Biome)
{
case biDesert: a_HeightAmp = 0.29f; a_MidPoint = 62; break; // Needs verification
case biExtremeHills: a_HeightAmp = 0.045f; a_MidPoint = 75; break;
case biExtremeHillsPlus: a_HeightAmp = 0.04f; a_MidPoint = 80; break;
case biFrozenRiver: a_HeightAmp = 0.4f; a_MidPoint = 53; break;
case biPlains: a_HeightAmp = 0.3f; a_MidPoint = 62; break; // Needs verification
case biRiver: a_HeightAmp = 0.4f; a_MidPoint = 53; break;
case biSwampland: a_HeightAmp = 0.25f; a_MidPoint = 59; break;
case biSwamplandM: a_HeightAmp = 0.11f; a_MidPoint = 59; break;
case biBeach: a_HeightAmp = 0.3f; a_MidPoint = 62; break;
case biBirchForest: a_HeightAmp = 0.1f; a_MidPoint = 64; break;
case biBirchForestHills: a_HeightAmp = 0.075f; a_MidPoint = 68; break;
case biBirchForestHillsM: a_HeightAmp = 0.075f; a_MidPoint = 68; break;
case biBirchForestM: a_HeightAmp = 0.1f; a_MidPoint = 64; break;
case biColdBeach: a_HeightAmp = 0.3f; a_MidPoint = 62; break;
case biDesertHills: a_HeightAmp = 0.075f; a_MidPoint = 68; break;
case biDeepOcean: a_HeightAmp = 0.17f; a_MidPoint = 35; break;
case biDesert: a_HeightAmp = 0.29f; a_MidPoint = 62; break;
case biEnd: a_HeightAmp = 0.15f; a_MidPoint = 64; break;
case biExtremeHills: a_HeightAmp = 0.045f; a_MidPoint = 75; break;
case biExtremeHillsPlus: a_HeightAmp = 0.04f; a_MidPoint = 80; break;
case biFlowerForest: a_HeightAmp = 0.1f; a_MidPoint = 64; break;
case biForest: a_HeightAmp = 0.1f; a_MidPoint = 64; break;
case biForestHills: a_HeightAmp = 0.075f; a_MidPoint = 68; break;
case biFrozenRiver: a_HeightAmp = 0.4f; a_MidPoint = 53; break;
case biFrozenOcean: a_HeightAmp = 0.17f; a_MidPoint = 47; break;
case biIceMountains: a_HeightAmp = 0.075f; a_MidPoint = 68; break;
case biIcePlains: a_HeightAmp = 0.3f; a_MidPoint = 62; break;
case biIcePlainsSpikes: a_HeightAmp = 0.3f; a_MidPoint = 62; break;
case biJungle: a_HeightAmp = 0.1f; a_MidPoint = 63; break;
case biJungleHills: a_HeightAmp = 0.075f; a_MidPoint = 68; break;
case biJungleM: a_HeightAmp = 0.1f; a_MidPoint = 63; break;
case biMegaSpruceTaigaHills: a_HeightAmp = 0.075f; a_MidPoint = 68; break;
case biMegaTaigaHills: a_HeightAmp = 0.075f; a_MidPoint = 68; break;
case biMushroomShore: a_HeightAmp = 0.15f; a_MidPoint = 15; break;
case biOcean: a_HeightAmp = 0.3f; a_MidPoint = 62; break;
case biPlains: a_HeightAmp = 0.3f; a_MidPoint = 62; break;
case biRiver: a_HeightAmp = 0.4f; a_MidPoint = 53; break;
case biSwampland: a_HeightAmp = 0.25f; a_MidPoint = 59; break;
case biSwamplandM: a_HeightAmp = 0.11f; a_MidPoint = 59; break;
case biTaigaHills: a_HeightAmp = 0.075f; a_MidPoint = 68; break;
/*
// Still missing:
case biColdTaiga: a_HeightAmp = 0.15f; a_MidPoint = 30; break;
case biColdTaigaHills: a_HeightAmp = 0.15f; a_MidPoint = 31; break;
case biColdTaigaM: a_HeightAmp = 0.15f; a_MidPoint = 70; break;
case biDesertM: a_HeightAmp = 0.15f; a_MidPoint = 70; break;
case biExtremeHillsEdge: a_HeightAmp = 0.15f; a_MidPoint = 20; break;
case biExtremeHillsM: a_HeightAmp = 0.15f; a_MidPoint = 70; break;
case biExtremeHillsPlusM: a_HeightAmp = 0.15f; a_MidPoint = 70; break;
case biJungleEdge: a_HeightAmp = 0.15f; a_MidPoint = 23; break;
case biJungleEdgeM: a_HeightAmp = 0.15f; a_MidPoint = 70; break;
case biMegaSpruceTaiga: a_HeightAmp = 0.15f; a_MidPoint = 70; break;
case biMegaTaiga: a_HeightAmp = 0.15f; a_MidPoint = 32; break;
case biMesa: a_HeightAmp = 0.15f; a_MidPoint = 37; break;
case biMesaBryce: a_HeightAmp = 0.15f; a_MidPoint = 70; break;
case biMesaPlateau: a_HeightAmp = 0.15f; a_MidPoint = 39; break;
case biMesaPlateauF: a_HeightAmp = 0.15f; a_MidPoint = 38; break;
case biMesaPlateauFM: a_HeightAmp = 0.15f; a_MidPoint = 70; break;
case biMesaPlateauM: a_HeightAmp = 0.15f; a_MidPoint = 70; break;
case biMushroomIsland: a_HeightAmp = 0.15f; a_MidPoint = 14; break;
case biNether: a_HeightAmp = 0.15f; a_MidPoint = 68; break;
case biRoofedForest: a_HeightAmp = 0.15f; a_MidPoint = 29; break;
case biRoofedForestM: a_HeightAmp = 0.15f; a_MidPoint = 70; break;
case biSavanna: a_HeightAmp = 0.15f; a_MidPoint = 35; break;
case biSavannaM: a_HeightAmp = 0.15f; a_MidPoint = 70; break;
case biSavannaPlateau: a_HeightAmp = 0.15f; a_MidPoint = 36; break;
case biSavannaPlateauM: a_HeightAmp = 0.15f; a_MidPoint = 70; break;
case biStoneBeach: a_HeightAmp = 0.15f; a_MidPoint = 25; break;
case biSunflowerPlains: a_HeightAmp = 0.15f; a_MidPoint = 70; break;
case biTaiga: a_HeightAmp = 0.15f; a_MidPoint = 65; break;
case biTaigaM: a_HeightAmp = 0.15f; a_MidPoint = 70; break;
*/
default:
{