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authorAlexander Harkness <bearbin@gmail.com>2013-07-29 13:13:03 +0200
committerAlexander Harkness <bearbin@gmail.com>2013-07-29 13:13:03 +0200
commit53e22b11857fed62e2313d6d84d90f88ed412ffb (patch)
treec61e56725da7dff0154d566722651e2c39c9d6c6 /source/Generating/EndGen.cpp
parentWebAdmin: Removed the duplicate memory usage querying (diff)
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Diffstat (limited to '')
-rw-r--r--source/Generating/EndGen.cpp434
1 files changed, 217 insertions, 217 deletions
diff --git a/source/Generating/EndGen.cpp b/source/Generating/EndGen.cpp
index 30fa457db..3eba5c47b 100644
--- a/source/Generating/EndGen.cpp
+++ b/source/Generating/EndGen.cpp
@@ -1,217 +1,217 @@
-
-// EndGen.cpp
-
-// Implements the cEndGen class representing the generator for the End, both as a HeightGen and CompositionGen
-
-#include "Globals.h"
-#include "EndGen.h"
-#include "../../iniFile/iniFile.h"
-#include "../LinearUpscale.h"
-
-
-
-
-
-enum
-{
- // Interpolation cell size:
- INTERPOL_X = 4,
- INTERPOL_Y = 4,
- INTERPOL_Z = 4,
-
- // Size of chunk data, downscaled before interpolation:
- DIM_X = 16 / INTERPOL_X + 1,
- DIM_Y = 256 / INTERPOL_Y + 1,
- DIM_Z = 16 / INTERPOL_Z + 1,
-} ;
-
-
-
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// cEndGen:
-
-cEndGen::cEndGen(int a_Seed) :
- m_Seed(a_Seed),
- m_IslandSizeX(256),
- m_IslandSizeY(96),
- m_IslandSizeZ(256),
- m_FrequencyX(80),
- m_FrequencyY(80),
- m_FrequencyZ(80)
-{
- m_Perlin.AddOctave(1, 1);
- m_Perlin.AddOctave(2, 0.5);
- m_Perlin.AddOctave(4, 0.25);
-}
-
-
-
-
-
-void cEndGen::Initialize(cIniFile & a_IniFile)
-{
- m_IslandSizeX = a_IniFile.GetValueSetI("Generator", "EndGenIslandSizeX", m_IslandSizeX);
- m_IslandSizeY = a_IniFile.GetValueSetI("Generator", "EndGenIslandSizeY", m_IslandSizeY);
- m_IslandSizeZ = a_IniFile.GetValueSetI("Generator", "EndGenIslandSizeZ", m_IslandSizeZ);
-
- m_FrequencyX = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "EndGenFrequencyX", m_FrequencyX);
- m_FrequencyY = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "EndGenFrequencyY", m_FrequencyY);
- m_FrequencyZ = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "EndGenFrequencyZ", m_FrequencyZ);
-
- // Recalculate the min and max chunk coords of the island
- m_MaxChunkX = (m_IslandSizeX + cChunkDef::Width - 1) / cChunkDef::Width;
- m_MinChunkX = -m_MaxChunkX;
- m_MaxChunkZ = (m_IslandSizeZ + cChunkDef::Width - 1) / cChunkDef::Width;
- m_MinChunkZ = -m_MaxChunkZ;
-}
-
-
-
-
-
-/// Unless the LastChunk coords are equal to coords given, prepares the internal state (noise array)
-void cEndGen::PrepareState(int a_ChunkX, int a_ChunkZ)
-{
- ASSERT(!IsChunkOutsideRange(a_ChunkX, a_ChunkZ)); // Should be filtered before calling this function
-
- if ((m_LastChunkX == a_ChunkX) && (m_LastChunkZ == a_ChunkZ))
- {
- return;
- }
-
- m_LastChunkX = a_ChunkX;
- m_LastChunkZ = a_ChunkZ;
-
- GenerateNoiseArray();
-}
-
-
-
-
-
-/// Generates the m_NoiseArray array for the current chunk
-void cEndGen::GenerateNoiseArray(void)
-{
- NOISE_DATATYPE NoiseData[DIM_X * DIM_Y * DIM_Z]; // [x + DIM_X * z + DIM_X * DIM_Z * y]
- NOISE_DATATYPE Workspace[DIM_X * DIM_Y * DIM_Z]; // [x + DIM_X * z + DIM_X * DIM_Z * y]
-
- // Generate the downscaled noise:
- NOISE_DATATYPE StartX = ((NOISE_DATATYPE)(m_LastChunkX * cChunkDef::Width)) / m_FrequencyX;
- NOISE_DATATYPE EndX = ((NOISE_DATATYPE)((m_LastChunkX + 1) * cChunkDef::Width)) / m_FrequencyX;
- NOISE_DATATYPE StartZ = ((NOISE_DATATYPE)(m_LastChunkZ * cChunkDef::Width)) / m_FrequencyZ;
- NOISE_DATATYPE EndZ = ((NOISE_DATATYPE)((m_LastChunkZ + 1) * cChunkDef::Width)) / m_FrequencyZ;
- NOISE_DATATYPE StartY = 0;
- NOISE_DATATYPE EndY = ((NOISE_DATATYPE)257) / m_FrequencyY;
- m_Perlin.Generate3D(NoiseData, DIM_X, DIM_Z, DIM_Y, StartX, EndX, StartZ, EndZ, StartY, EndY, Workspace);
-
- // Add distance:
- int idx = 0;
- for (int y = 0; y < DIM_Y; y++)
- {
- NOISE_DATATYPE ValY = (NOISE_DATATYPE)(2 * INTERPOL_Y * y - m_IslandSizeY) / m_IslandSizeY;
- ValY = ValY * ValY;
- for (int z = 0; z < DIM_Z; z++)
- {
- NOISE_DATATYPE ValZ = (NOISE_DATATYPE)(m_LastChunkZ * cChunkDef::Width + (z * cChunkDef::Width / (DIM_Z - 1))) / m_IslandSizeZ;
- ValZ = ValZ * ValZ;
- for (int x = 0; x < DIM_X; x++)
- {
- // NOISE_DATATYPE ValX = StartX + (EndX - StartX) * x / (DIM_X - 1);
- NOISE_DATATYPE ValX = (NOISE_DATATYPE)(m_LastChunkX * cChunkDef::Width + (x * cChunkDef::Width / (DIM_X - 1))) / m_IslandSizeX;
- ValX = ValX * ValX;
- NoiseData[idx++] += ValX + ValZ + ValY;
- } // for x
- } // for z
- } // for y
-
- // Upscale into real chunk size:
- LinearUpscale3DArray(NoiseData, DIM_X, DIM_Z, DIM_Y, m_NoiseArray, INTERPOL_X, INTERPOL_Z, INTERPOL_Y);
-}
-
-
-
-
-
-/// Returns true if the chunk is outside of the island's dimensions
-bool cEndGen::IsChunkOutsideRange(int a_ChunkX, int a_ChunkZ)
-{
- return (
- (a_ChunkX < m_MinChunkX) || (a_ChunkX > m_MaxChunkX) ||
- (a_ChunkZ < m_MinChunkZ) || (a_ChunkZ > m_MaxChunkZ)
- );
-}
-
-
-
-
-
-void cEndGen::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap)
-{
- if (IsChunkOutsideRange(a_ChunkX, a_ChunkZ))
- {
- for (int i = 0; i < ARRAYCOUNT(a_HeightMap); i++)
- {
- a_HeightMap[i] = 0;
- }
- return;
- }
-
- PrepareState(a_ChunkX, a_ChunkZ);
-
- int MaxY = std::min((int)(1.75 * m_IslandSizeY + 1), cChunkDef::Height - 1);
- for (int z = 0; z < cChunkDef::Width; z++)
- {
- for (int x = 0; x < cChunkDef::Width; x++)
- {
- cChunkDef::SetHeight(a_HeightMap, x, z, MaxY);
- for (int y = MaxY; y > 0; y--)
- {
- if (m_NoiseArray[y * 17 * 17 + z * 17 + x] <= 0)
- {
- cChunkDef::SetHeight(a_HeightMap, x, z, y);
- break;
- }
- } // for y
- } // for x
- } // for z
-}
-
-
-
-
-
-void cEndGen::ComposeTerrain(cChunkDesc & a_ChunkDesc)
-{
- if (IsChunkOutsideRange(a_ChunkDesc.GetChunkX(), a_ChunkDesc.GetChunkZ()))
- {
- a_ChunkDesc.FillBlocks(E_BLOCK_AIR, 0);
- return;
- }
-
- PrepareState(a_ChunkDesc.GetChunkX(), a_ChunkDesc.GetChunkZ());
-
- int MaxY = std::min((int)(1.75 * m_IslandSizeY + 1), cChunkDef::Height - 1);
- for (int z = 0; z < cChunkDef::Width; z++)
- {
- for (int x = 0; x < cChunkDef::Width; x++)
- {
- for (int y = MaxY; y > 0; y--)
- {
- if (m_NoiseArray[y * 17 * 17 + z * 17 + x] <= 0)
- {
- a_ChunkDesc.SetBlockTypeMeta(x, y, z, E_BLOCK_END_STONE, 0);
- }
- else
- {
- a_ChunkDesc.SetBlockTypeMeta(x, y, z, E_BLOCK_AIR, 0);
- }
- } // for y
- } // for x
- } // for z
-}
-
-
-
-
+
+// EndGen.cpp
+
+// Implements the cEndGen class representing the generator for the End, both as a HeightGen and CompositionGen
+
+#include "Globals.h"
+#include "EndGen.h"
+#include "../../iniFile/iniFile.h"
+#include "../LinearUpscale.h"
+
+
+
+
+
+enum
+{
+ // Interpolation cell size:
+ INTERPOL_X = 4,
+ INTERPOL_Y = 4,
+ INTERPOL_Z = 4,
+
+ // Size of chunk data, downscaled before interpolation:
+ DIM_X = 16 / INTERPOL_X + 1,
+ DIM_Y = 256 / INTERPOL_Y + 1,
+ DIM_Z = 16 / INTERPOL_Z + 1,
+} ;
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cEndGen:
+
+cEndGen::cEndGen(int a_Seed) :
+ m_Seed(a_Seed),
+ m_IslandSizeX(256),
+ m_IslandSizeY(96),
+ m_IslandSizeZ(256),
+ m_FrequencyX(80),
+ m_FrequencyY(80),
+ m_FrequencyZ(80)
+{
+ m_Perlin.AddOctave(1, 1);
+ m_Perlin.AddOctave(2, 0.5);
+ m_Perlin.AddOctave(4, 0.25);
+}
+
+
+
+
+
+void cEndGen::Initialize(cIniFile & a_IniFile)
+{
+ m_IslandSizeX = a_IniFile.GetValueSetI("Generator", "EndGenIslandSizeX", m_IslandSizeX);
+ m_IslandSizeY = a_IniFile.GetValueSetI("Generator", "EndGenIslandSizeY", m_IslandSizeY);
+ m_IslandSizeZ = a_IniFile.GetValueSetI("Generator", "EndGenIslandSizeZ", m_IslandSizeZ);
+
+ m_FrequencyX = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "EndGenFrequencyX", m_FrequencyX);
+ m_FrequencyY = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "EndGenFrequencyY", m_FrequencyY);
+ m_FrequencyZ = (NOISE_DATATYPE)a_IniFile.GetValueSetF("Generator", "EndGenFrequencyZ", m_FrequencyZ);
+
+ // Recalculate the min and max chunk coords of the island
+ m_MaxChunkX = (m_IslandSizeX + cChunkDef::Width - 1) / cChunkDef::Width;
+ m_MinChunkX = -m_MaxChunkX;
+ m_MaxChunkZ = (m_IslandSizeZ + cChunkDef::Width - 1) / cChunkDef::Width;
+ m_MinChunkZ = -m_MaxChunkZ;
+}
+
+
+
+
+
+/// Unless the LastChunk coords are equal to coords given, prepares the internal state (noise array)
+void cEndGen::PrepareState(int a_ChunkX, int a_ChunkZ)
+{
+ ASSERT(!IsChunkOutsideRange(a_ChunkX, a_ChunkZ)); // Should be filtered before calling this function
+
+ if ((m_LastChunkX == a_ChunkX) && (m_LastChunkZ == a_ChunkZ))
+ {
+ return;
+ }
+
+ m_LastChunkX = a_ChunkX;
+ m_LastChunkZ = a_ChunkZ;
+
+ GenerateNoiseArray();
+}
+
+
+
+
+
+/// Generates the m_NoiseArray array for the current chunk
+void cEndGen::GenerateNoiseArray(void)
+{
+ NOISE_DATATYPE NoiseData[DIM_X * DIM_Y * DIM_Z]; // [x + DIM_X * z + DIM_X * DIM_Z * y]
+ NOISE_DATATYPE Workspace[DIM_X * DIM_Y * DIM_Z]; // [x + DIM_X * z + DIM_X * DIM_Z * y]
+
+ // Generate the downscaled noise:
+ NOISE_DATATYPE StartX = ((NOISE_DATATYPE)(m_LastChunkX * cChunkDef::Width)) / m_FrequencyX;
+ NOISE_DATATYPE EndX = ((NOISE_DATATYPE)((m_LastChunkX + 1) * cChunkDef::Width)) / m_FrequencyX;
+ NOISE_DATATYPE StartZ = ((NOISE_DATATYPE)(m_LastChunkZ * cChunkDef::Width)) / m_FrequencyZ;
+ NOISE_DATATYPE EndZ = ((NOISE_DATATYPE)((m_LastChunkZ + 1) * cChunkDef::Width)) / m_FrequencyZ;
+ NOISE_DATATYPE StartY = 0;
+ NOISE_DATATYPE EndY = ((NOISE_DATATYPE)257) / m_FrequencyY;
+ m_Perlin.Generate3D(NoiseData, DIM_X, DIM_Z, DIM_Y, StartX, EndX, StartZ, EndZ, StartY, EndY, Workspace);
+
+ // Add distance:
+ int idx = 0;
+ for (int y = 0; y < DIM_Y; y++)
+ {
+ NOISE_DATATYPE ValY = (NOISE_DATATYPE)(2 * INTERPOL_Y * y - m_IslandSizeY) / m_IslandSizeY;
+ ValY = ValY * ValY;
+ for (int z = 0; z < DIM_Z; z++)
+ {
+ NOISE_DATATYPE ValZ = (NOISE_DATATYPE)(m_LastChunkZ * cChunkDef::Width + (z * cChunkDef::Width / (DIM_Z - 1))) / m_IslandSizeZ;
+ ValZ = ValZ * ValZ;
+ for (int x = 0; x < DIM_X; x++)
+ {
+ // NOISE_DATATYPE ValX = StartX + (EndX - StartX) * x / (DIM_X - 1);
+ NOISE_DATATYPE ValX = (NOISE_DATATYPE)(m_LastChunkX * cChunkDef::Width + (x * cChunkDef::Width / (DIM_X - 1))) / m_IslandSizeX;
+ ValX = ValX * ValX;
+ NoiseData[idx++] += ValX + ValZ + ValY;
+ } // for x
+ } // for z
+ } // for y
+
+ // Upscale into real chunk size:
+ LinearUpscale3DArray(NoiseData, DIM_X, DIM_Z, DIM_Y, m_NoiseArray, INTERPOL_X, INTERPOL_Z, INTERPOL_Y);
+}
+
+
+
+
+
+/// Returns true if the chunk is outside of the island's dimensions
+bool cEndGen::IsChunkOutsideRange(int a_ChunkX, int a_ChunkZ)
+{
+ return (
+ (a_ChunkX < m_MinChunkX) || (a_ChunkX > m_MaxChunkX) ||
+ (a_ChunkZ < m_MinChunkZ) || (a_ChunkZ > m_MaxChunkZ)
+ );
+}
+
+
+
+
+
+void cEndGen::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap)
+{
+ if (IsChunkOutsideRange(a_ChunkX, a_ChunkZ))
+ {
+ for (int i = 0; i < ARRAYCOUNT(a_HeightMap); i++)
+ {
+ a_HeightMap[i] = 0;
+ }
+ return;
+ }
+
+ PrepareState(a_ChunkX, a_ChunkZ);
+
+ int MaxY = std::min((int)(1.75 * m_IslandSizeY + 1), cChunkDef::Height - 1);
+ for (int z = 0; z < cChunkDef::Width; z++)
+ {
+ for (int x = 0; x < cChunkDef::Width; x++)
+ {
+ cChunkDef::SetHeight(a_HeightMap, x, z, MaxY);
+ for (int y = MaxY; y > 0; y--)
+ {
+ if (m_NoiseArray[y * 17 * 17 + z * 17 + x] <= 0)
+ {
+ cChunkDef::SetHeight(a_HeightMap, x, z, y);
+ break;
+ }
+ } // for y
+ } // for x
+ } // for z
+}
+
+
+
+
+
+void cEndGen::ComposeTerrain(cChunkDesc & a_ChunkDesc)
+{
+ if (IsChunkOutsideRange(a_ChunkDesc.GetChunkX(), a_ChunkDesc.GetChunkZ()))
+ {
+ a_ChunkDesc.FillBlocks(E_BLOCK_AIR, 0);
+ return;
+ }
+
+ PrepareState(a_ChunkDesc.GetChunkX(), a_ChunkDesc.GetChunkZ());
+
+ int MaxY = std::min((int)(1.75 * m_IslandSizeY + 1), cChunkDef::Height - 1);
+ for (int z = 0; z < cChunkDef::Width; z++)
+ {
+ for (int x = 0; x < cChunkDef::Width; x++)
+ {
+ for (int y = MaxY; y > 0; y--)
+ {
+ if (m_NoiseArray[y * 17 * 17 + z * 17 + x] <= 0)
+ {
+ a_ChunkDesc.SetBlockTypeMeta(x, y, z, E_BLOCK_END_STONE, 0);
+ }
+ else
+ {
+ a_ChunkDesc.SetBlockTypeMeta(x, y, z, E_BLOCK_AIR, 0);
+ }
+ } // for y
+ } // for x
+ } // for z
+}
+
+
+
+