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authorMattes D <github@xoft.cz>2014-11-20 10:13:10 +0100
committerMattes D <github@xoft.cz>2014-11-20 10:13:10 +0100
commit288cbf12cb66ed9f026f81bb13e945c68cfefd13 (patch)
treefa97f48bbd8b871aa556c79974a2f64e76272ac0 /src
parentMobs: Fixed crash with terrain too high. (diff)
parentMerge pull request #1603 from mc-server/ImprovedNoise (diff)
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Diffstat (limited to '')
-rw-r--r--src/Bindings/DeprecatedBindings.cpp65
-rw-r--r--src/Bindings/ManualBindings.cpp7
-rw-r--r--src/CMakeLists.txt11
-rw-r--r--src/Chunk.cpp2
-rw-r--r--src/ClientHandle.cpp34
-rw-r--r--src/ClientHandle.h25
-rw-r--r--src/Enchantments.cpp2
-rw-r--r--src/Entities/Player.cpp3
-rw-r--r--src/Generating/BioGen.h2
-rw-r--r--src/Generating/Caves.h1
-rw-r--r--src/Generating/ChunkDesc.cpp2
-rw-r--r--src/Generating/CompoGen.h2
-rw-r--r--src/Generating/DistortedHeightmap.h1
-rw-r--r--src/Generating/EndGen.h2
-rw-r--r--src/Generating/FinishGen.cpp1
-rw-r--r--src/Generating/FinishGen.h2
-rw-r--r--src/Generating/GridStructGen.h2
-rw-r--r--src/Generating/HeiGen.h2
-rw-r--r--src/Generating/MineShafts.h1
-rw-r--r--src/Generating/Noise3DGenerator.cpp198
-rw-r--r--src/Generating/Noise3DGenerator.h16
-rw-r--r--src/Generating/PieceGenerator.h2
-rw-r--r--src/Generating/Ravines.h1
-rw-r--r--src/Generating/StructGen.h2
-rw-r--r--src/Generating/Trees.h2
-rw-r--r--src/ItemGrid.cpp2
-rw-r--r--src/Noise/CMakeLists.txt21
-rw-r--r--src/Noise/InterpolNoise.h524
-rw-r--r--src/Noise/Noise.cpp (renamed from src/Noise.cpp)551
-rw-r--r--src/Noise/Noise.h (renamed from src/Noise.h)262
-rw-r--r--src/Noise/OctavedNoise.h192
-rw-r--r--src/Noise/RidgedNoise.h91
-rw-r--r--src/Root.cpp2
-rw-r--r--src/Root.h2
-rw-r--r--src/VoronoiMap.h2
-rw-r--r--src/World.cpp15
-rw-r--r--src/World.h17
37 files changed, 1479 insertions, 590 deletions
diff --git a/src/Bindings/DeprecatedBindings.cpp b/src/Bindings/DeprecatedBindings.cpp
index ded7a0142..345ab2a07 100644
--- a/src/Bindings/DeprecatedBindings.cpp
+++ b/src/Bindings/DeprecatedBindings.cpp
@@ -7,6 +7,9 @@
#include "../BlockInfo.h"
+#include "../World.h"
+#include "../Entities/Player.h"
+#include "LuaState.h"
@@ -222,6 +225,64 @@ static int tolua_get_AllToLua_g_BlockFullyOccupiesVoxel(lua_State* tolua_S)
+/** function: cWorld:SetSignLines */
+static int tolua_cWorld_SetSignLines(lua_State * tolua_S)
+{
+ cLuaState LuaState(tolua_S);
+
+ #ifndef TOLUA_RELEASE
+ tolua_Error tolua_err;
+ if (
+ !tolua_isusertype (LuaState, 1, "cWorld", 0, &tolua_err) ||
+ !tolua_isnumber (LuaState, 2, 0, &tolua_err) ||
+ !tolua_isnumber (LuaState, 3, 0, &tolua_err) ||
+ !tolua_isnumber (LuaState, 4, 0, &tolua_err) ||
+ !tolua_iscppstring(LuaState, 5, 0, &tolua_err) ||
+ !tolua_iscppstring(LuaState, 6, 0, &tolua_err) ||
+ !tolua_iscppstring(LuaState, 7, 0, &tolua_err) ||
+ !tolua_iscppstring(LuaState, 8, 0, &tolua_err) ||
+ !tolua_isusertype (LuaState, 9, "cPlayer", 1, &tolua_err) ||
+ !tolua_isnoobj (LuaState, 10, &tolua_err)
+ )
+ goto tolua_lerror;
+ else
+ #endif
+ {
+ cWorld * self = (cWorld *) tolua_tousertype (LuaState, 1, nullptr);
+ int BlockX = (int) tolua_tonumber (LuaState, 2, 0);
+ int BlockY = (int) tolua_tonumber (LuaState, 3, 0);
+ int BlockZ = (int) tolua_tonumber (LuaState, 4, 0);
+ const AString Line1 = tolua_tocppstring(LuaState, 5, 0);
+ const AString Line2 = tolua_tocppstring(LuaState, 6, 0);
+ const AString Line3 = tolua_tocppstring(LuaState, 7, 0);
+ const AString Line4 = tolua_tocppstring(LuaState, 8, 0);
+ cPlayer * Player = (cPlayer *)tolua_tousertype (LuaState, 9, nullptr);
+ #ifndef TOLUA_RELEASE
+ if (self == nullptr)
+ {
+ tolua_error(LuaState, "invalid 'self' in function 'UpdateSign'", nullptr);
+ }
+ #endif
+ {
+ bool res = self->SetSignLines(BlockX, BlockY, BlockZ, Line1, Line2, Line3, Line4, Player);
+ tolua_pushboolean(LuaState, res ? 1 : 0);
+ }
+ }
+ LOGWARNING("Warning in function call 'UpdateSign': UpdateSign() is deprecated. Please use SetSignLines()");
+ LuaState.LogStackTrace(0);
+ return 1;
+
+ #ifndef TOLUA_RELEASE
+tolua_lerror:
+ tolua_error(LuaState, "#ferror in function 'UpdateSign'.", &tolua_err);
+ return 0;
+ #endif
+}
+
+
+
+
+
void DeprecatedBindings::Bind(lua_State * tolua_S)
{
tolua_beginmodule(tolua_S, nullptr);
@@ -235,6 +296,10 @@ void DeprecatedBindings::Bind(lua_State * tolua_S)
tolua_array(tolua_S, "g_BlockIsSolid", tolua_get_AllToLua_g_BlockIsSolid, nullptr);
tolua_array(tolua_S, "g_BlockFullyOccupiesVoxel", tolua_get_AllToLua_g_BlockFullyOccupiesVoxel, nullptr);
+ tolua_beginmodule(tolua_S, "cWorld");
+ tolua_function(tolua_S, "UpdateSign", tolua_cWorld_SetSignLines);
+ tolua_endmodule(tolua_S);
+
tolua_endmodule(tolua_S);
}
diff --git a/src/Bindings/ManualBindings.cpp b/src/Bindings/ManualBindings.cpp
index 3d10e2abb..750f7c65a 100644
--- a/src/Bindings/ManualBindings.cpp
+++ b/src/Bindings/ManualBindings.cpp
@@ -1034,11 +1034,11 @@ static int tolua_cWorld_SetSignLines(lua_State * tolua_S)
#ifndef TOLUA_RELEASE
if (self == nullptr)
{
- tolua_error(tolua_S, "invalid 'self' in function 'SetSignLines' / 'UpdateSign'", nullptr);
+ tolua_error(tolua_S, "invalid 'self' in function 'SetSignLines'", nullptr);
}
#endif
{
- bool res = self->UpdateSign(BlockX, BlockY, BlockZ, Line1, Line2, Line3, Line4, Player);
+ bool res = self->SetSignLines(BlockX, BlockY, BlockZ, Line1, Line2, Line3, Line4, Player);
tolua_pushboolean(tolua_S, res ? 1 : 0);
}
}
@@ -1046,7 +1046,7 @@ static int tolua_cWorld_SetSignLines(lua_State * tolua_S)
#ifndef TOLUA_RELEASE
tolua_lerror:
- tolua_error(tolua_S, "#ferror in function 'SetSignLines' / 'UpdateSign'.", &tolua_err);
+ tolua_error(tolua_S, "#ferror in function 'SetSignLines'.", &tolua_err);
return 0;
#endif
}
@@ -3405,7 +3405,6 @@ void ManualBindings::Bind(lua_State * tolua_S)
tolua_function(tolua_S, "ScheduleTask", tolua_cWorld_ScheduleTask);
tolua_function(tolua_S, "SetSignLines", tolua_cWorld_SetSignLines);
tolua_function(tolua_S, "TryGetHeight", tolua_cWorld_TryGetHeight);
- tolua_function(tolua_S, "UpdateSign", tolua_cWorld_SetSignLines);
tolua_endmodule(tolua_S);
tolua_beginmodule(tolua_S, "cMapManager");
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 096fa824d..9720c9941 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -9,6 +9,7 @@ include_directories (SYSTEM "${CMAKE_CURRENT_SOURCE_DIR}/../lib/polarssl/include
set(FOLDERS
OSSupport HTTPServer Items Blocks Protocol Generating PolarSSL++ Bindings
WorldStorage Mobs Entities Simulator UI BlockEntities Generating/Prefabs
+ Noise
)
SET (SRCS
@@ -50,7 +51,6 @@ SET (SRCS
MobProximityCounter.cpp
MobSpawner.cpp
MonsterConfig.cpp
- Noise.cpp
ProbabDistrib.cpp
RankManager.cpp
RCONServer.cpp
@@ -65,7 +65,8 @@ SET (SRCS
VoronoiMap.cpp
WebAdmin.cpp
World.cpp
- main.cpp)
+ main.cpp
+)
SET (HDRS
AllocationPool.h
@@ -120,7 +121,6 @@ SET (HDRS
MobProximityCounter.h
MobSpawner.h
MonsterConfig.h
- Noise.h
ProbabDistrib.h
RankManager.h
RCONServer.h
@@ -137,7 +137,8 @@ SET (HDRS
VoronoiMap.h
WebAdmin.h
World.h
- XMLParser.h)
+ XMLParser.h
+)
include_directories(".")
include_directories ("${CMAKE_CURRENT_SOURCE_DIR}/../lib/sqlite")
@@ -314,7 +315,7 @@ endif ()
if (NOT MSVC)
target_link_libraries(${EXECUTABLE}
- OSSupport HTTPServer Bindings Items Blocks
+ OSSupport HTTPServer Bindings Items Blocks Noise
Protocol Generating Generating_Prefabs WorldStorage
Mobs Entities Simulator UI BlockEntities PolarSSL++
)
diff --git a/src/Chunk.cpp b/src/Chunk.cpp
index a0224322a..d9333afc7 100644
--- a/src/Chunk.cpp
+++ b/src/Chunk.cpp
@@ -25,7 +25,7 @@
#include "BlockEntities/FlowerPotEntity.h"
#include "Entities/Pickup.h"
#include "Item.h"
-#include "Noise.h"
+#include "Noise/Noise.h"
#include "Root.h"
#include "MersenneTwister.h"
#include "Entities/Player.h"
diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp
index 94bace43a..c4ce721c3 100644
--- a/src/ClientHandle.cpp
+++ b/src/ClientHandle.cpp
@@ -65,7 +65,8 @@ int cClientHandle::s_ClientCount = 0;
// cClientHandle:
cClientHandle::cClientHandle(const cSocket * a_Socket, int a_ViewDistance) :
- m_ViewDistance(a_ViewDistance),
+ m_CurrentViewDistance(a_ViewDistance),
+ m_RequestedViewDistance(a_ViewDistance),
m_IPString(a_Socket->GetIPString()),
m_OutgoingData(64 KiB),
m_Player(nullptr),
@@ -93,6 +94,7 @@ cClientHandle::cClientHandle(const cSocket * a_Socket, int a_ViewDistance) :
m_UniqueID(0),
m_HasSentPlayerChunk(false),
m_Locale("en_GB"),
+ m_LastPlacedSign(0, -1, 0),
m_ProtocolVersion(0)
{
m_Protocol = new cProtocolRecognizer(this);
@@ -430,7 +432,7 @@ bool cClientHandle::StreamNextChunk(void)
cCSLock Lock(m_CSChunkLists);
// High priority: Load the chunks that are in the view-direction of the player (with a radius of 3)
- for (int Range = 0; Range < m_ViewDistance; Range++)
+ for (int Range = 0; Range < m_CurrentViewDistance; Range++)
{
Vector3d Vector = Position + LookVector * cChunkDef::Width * Range;
@@ -447,7 +449,7 @@ bool cClientHandle::StreamNextChunk(void)
cChunkCoords Coords(ChunkX, ChunkZ);
// Checks if the chunk is in distance
- if ((Diff(ChunkX, ChunkPosX) > m_ViewDistance) || (Diff(ChunkZ, ChunkPosZ) > m_ViewDistance))
+ if ((Diff(ChunkX, ChunkPosX) > m_CurrentViewDistance) || (Diff(ChunkZ, ChunkPosZ) > m_CurrentViewDistance))
{
continue;
}
@@ -470,7 +472,7 @@ bool cClientHandle::StreamNextChunk(void)
}
// Low priority: Add all chunks that are in range. (From the center out to the edge)
- for (int d = 0; d <= m_ViewDistance; ++d) // cycle through (square) distance, from nearest to furthest
+ for (int d = 0; d <= m_CurrentViewDistance; ++d) // cycle through (square) distance, from nearest to furthest
{
// For each distance add chunks in a hollow square centered around current position:
cChunkCoordsList CurcleChunks;
@@ -528,7 +530,7 @@ void cClientHandle::UnloadOutOfRangeChunks(void)
{
int DiffX = Diff((*itr).m_ChunkX, ChunkPosX);
int DiffZ = Diff((*itr).m_ChunkZ, ChunkPosZ);
- if ((DiffX > m_ViewDistance) || (DiffZ > m_ViewDistance))
+ if ((DiffX > m_CurrentViewDistance) || (DiffZ > m_CurrentViewDistance))
{
ChunksToRemove.push_back(*itr);
itr = m_LoadedChunks.erase(itr);
@@ -543,7 +545,7 @@ void cClientHandle::UnloadOutOfRangeChunks(void)
{
int DiffX = Diff((*itr).m_ChunkX, ChunkPosX);
int DiffZ = Diff((*itr).m_ChunkZ, ChunkPosZ);
- if ((DiffX > m_ViewDistance) || (DiffZ > m_ViewDistance))
+ if ((DiffX > m_CurrentViewDistance) || (DiffZ > m_CurrentViewDistance))
{
itr = m_ChunksToSend.erase(itr);
}
@@ -1500,6 +1502,7 @@ void cClientHandle::HandlePlaceBlock(int a_BlockX, int a_BlockY, int a_BlockZ, e
{
m_Player->GetInventory().RemoveOneEquippedItem();
}
+
cChunkInterface ChunkInterface(World->GetChunkMap());
NewBlock->OnPlacedByPlayer(ChunkInterface, *World, m_Player, a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, a_CursorX, a_CursorY, a_CursorZ, BlockType, BlockMeta);
@@ -1677,8 +1680,11 @@ void cClientHandle::HandleUpdateSign(
const AString & a_Line3, const AString & a_Line4
)
{
- cWorld * World = m_Player->GetWorld();
- World->UpdateSign(a_BlockX, a_BlockY, a_BlockZ, a_Line1, a_Line2, a_Line3, a_Line4, m_Player);
+ if (m_LastPlacedSign.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ)))
+ {
+ m_LastPlacedSign.Set(0, -1, 0);
+ m_Player->GetWorld()->SetSignLines(a_BlockX, a_BlockY, a_BlockZ, a_Line1, a_Line2, a_Line3, a_Line4, m_Player);
+ }
}
@@ -2257,6 +2263,7 @@ void cClientHandle::SendDisconnect(const AString & a_Reason)
void cClientHandle::SendEditSign(int a_BlockX, int a_BlockY, int a_BlockZ)
{
+ m_LastPlacedSign.Set(a_BlockX, a_BlockY, a_BlockZ);
m_Protocol->SendEditSign(a_BlockX, a_BlockY, a_BlockZ);
}
@@ -2847,8 +2854,15 @@ void cClientHandle::SetUsername( const AString & a_Username)
void cClientHandle::SetViewDistance(int a_ViewDistance)
{
- m_ViewDistance = Clamp(a_ViewDistance, MIN_VIEW_DISTANCE, MAX_VIEW_DISTANCE);
- LOGD("Setted %s's view distance to %i", GetUsername().c_str(), m_ViewDistance);
+ m_RequestedViewDistance = a_ViewDistance;
+ LOGD("%s is requesting ViewDistance of %d!", GetUsername().c_str(), m_RequestedViewDistance);
+
+ // Set the current view distance based on the requested VD and world max VD:
+ cWorld * world = m_Player->GetWorld();
+ if (world != nullptr)
+ {
+ m_CurrentViewDistance = Clamp(a_ViewDistance, cClientHandle::MIN_VIEW_DISTANCE, world->GetMaxViewDistance());
+ }
}
diff --git a/src/ClientHandle.h b/src/ClientHandle.h
index 082ed2fcc..f195b6be7 100644
--- a/src/ClientHandle.h
+++ b/src/ClientHandle.h
@@ -217,9 +217,15 @@ public:
inline short GetPing(void) const { return m_Ping; }
+ /** Sets the maximal view distance. */
void SetViewDistance(int a_ViewDistance);
- int GetViewDistance(void) const { return m_ViewDistance; }
-
+
+ /** Returns the view distance that the player currently have. */
+ int GetViewDistance(void) const { return m_CurrentViewDistance; }
+
+ /** Returns the view distance that the player request, not the used view distance. */
+ int GetRequestedViewDistance(void) const { return m_RequestedViewDistance; }
+
void SetLocale(AString & a_Locale) { m_Locale = a_Locale; }
AString GetLocale(void) const { return m_Locale; }
@@ -333,12 +339,12 @@ private:
/** The type used for storing the names of registered plugin channels. */
typedef std::set<AString> cChannels;
- /** Number of chunks the player can see in each direction */
- int m_ViewDistance;
-
- /** Server generates this many chunks AHEAD of player sight. */
- static const int GENERATEDISTANCE = 2;
-
+ /** The actual view distance used, the minimum of client's requested view distance and world's max view distance. */
+ int m_CurrentViewDistance;
+
+ /** The requested view distance from the player. It isn't clamped with 1 and the max view distance of the world. */
+ int m_RequestedViewDistance;
+
AString m_IPString;
AString m_Username;
@@ -432,6 +438,9 @@ private:
/** Client Settings */
AString m_Locale;
+
+ /** The positions from the last sign that the player placed. It's needed to verify the sign text change. */
+ Vector3i m_LastPlacedSign;
/** The plugin channels that the client has registered. */
cChannels m_PluginChannels;
diff --git a/src/Enchantments.cpp b/src/Enchantments.cpp
index 80a9810b6..36c451b81 100644
--- a/src/Enchantments.cpp
+++ b/src/Enchantments.cpp
@@ -6,7 +6,7 @@
#include "Enchantments.h"
#include "WorldStorage/FastNBT.h"
#include "FastRandom.h"
-#include "Noise.h"
+#include "Noise/Noise.h"
diff --git a/src/Entities/Player.cpp b/src/Entities/Player.cpp
index 5c18d8f96..edcdb4799 100644
--- a/src/Entities/Player.cpp
+++ b/src/Entities/Player.cpp
@@ -1602,6 +1602,9 @@ bool cPlayer::DoMoveToWorld(cWorld * a_World, bool a_ShouldSendRespawn)
a_World->AddPlayer(this);
SetWorld(a_World); // Chunks may be streamed before cWorld::AddPlayer() sets the world to the new value
+ // Update the view distance.
+ m_ClientHandle->SetViewDistance(m_ClientHandle->GetRequestedViewDistance());
+
return true;
}
diff --git a/src/Generating/BioGen.h b/src/Generating/BioGen.h
index 5fd0844d9..13fb40c5f 100644
--- a/src/Generating/BioGen.h
+++ b/src/Generating/BioGen.h
@@ -15,7 +15,7 @@ Interfaces to the various biome generators:
#pragma once
#include "ComposableGenerator.h"
-#include "../Noise.h"
+#include "../Noise/Noise.h"
#include "../VoronoiMap.h"
diff --git a/src/Generating/Caves.h b/src/Generating/Caves.h
index 0e17acf9e..691ef3e62 100644
--- a/src/Generating/Caves.h
+++ b/src/Generating/Caves.h
@@ -13,7 +13,6 @@
#pragma once
#include "GridStructGen.h"
-#include "../Noise.h"
diff --git a/src/Generating/ChunkDesc.cpp b/src/Generating/ChunkDesc.cpp
index 3fe81c7e4..4a5ac5a18 100644
--- a/src/Generating/ChunkDesc.cpp
+++ b/src/Generating/ChunkDesc.cpp
@@ -7,7 +7,7 @@
#include "ChunkDesc.h"
#include "../BlockArea.h"
#include "../Cuboid.h"
-#include "../Noise.h"
+#include "../Noise/Noise.h"
#include "../BlockEntities/BlockEntity.h"
diff --git a/src/Generating/CompoGen.h b/src/Generating/CompoGen.h
index 03df0cf25..3847688cd 100644
--- a/src/Generating/CompoGen.h
+++ b/src/Generating/CompoGen.h
@@ -17,7 +17,7 @@
#pragma once
#include "ComposableGenerator.h"
-#include "../Noise.h"
+#include "../Noise/Noise.h"
diff --git a/src/Generating/DistortedHeightmap.h b/src/Generating/DistortedHeightmap.h
index 4027a94ca..79fc35542 100644
--- a/src/Generating/DistortedHeightmap.h
+++ b/src/Generating/DistortedHeightmap.h
@@ -11,7 +11,6 @@
#include "ComposableGenerator.h"
#include "HeiGen.h"
-#include "../Noise.h"
diff --git a/src/Generating/EndGen.h b/src/Generating/EndGen.h
index e4c874014..f9e3f6e53 100644
--- a/src/Generating/EndGen.h
+++ b/src/Generating/EndGen.h
@@ -10,7 +10,7 @@
#pragma once
#include "ComposableGenerator.h"
-#include "../Noise.h"
+#include "../Noise/Noise.h"
diff --git a/src/Generating/FinishGen.cpp b/src/Generating/FinishGen.cpp
index f67d59998..2ff3e7f67 100644
--- a/src/Generating/FinishGen.cpp
+++ b/src/Generating/FinishGen.cpp
@@ -10,7 +10,6 @@
#include "Globals.h"
#include "FinishGen.h"
-#include "../Noise.h"
#include "../BlockID.h"
#include "../Simulator/FluidSimulator.h" // for cFluidSimulator::CanWashAway()
#include "../Simulator/FireSimulator.h"
diff --git a/src/Generating/FinishGen.h b/src/Generating/FinishGen.h
index 4a08d70c8..991a85787 100644
--- a/src/Generating/FinishGen.h
+++ b/src/Generating/FinishGen.h
@@ -16,7 +16,7 @@
#include "ComposableGenerator.h"
-#include "../Noise.h"
+#include "../Noise/Noise.h"
#include "../ProbabDistrib.h"
diff --git a/src/Generating/GridStructGen.h b/src/Generating/GridStructGen.h
index 03131fce9..b92fb2e9d 100644
--- a/src/Generating/GridStructGen.h
+++ b/src/Generating/GridStructGen.h
@@ -10,7 +10,7 @@
#pragma once
#include "ComposableGenerator.h"
-#include "../Noise.h"
+#include "../Noise/Noise.h"
diff --git a/src/Generating/HeiGen.h b/src/Generating/HeiGen.h
index fe0a023e4..9c99a9326 100644
--- a/src/Generating/HeiGen.h
+++ b/src/Generating/HeiGen.h
@@ -17,7 +17,7 @@ Also implements the heightmap cache
#pragma once
#include "ComposableGenerator.h"
-#include "../Noise.h"
+#include "../Noise/Noise.h"
diff --git a/src/Generating/MineShafts.h b/src/Generating/MineShafts.h
index 2850db571..efb11cfee 100644
--- a/src/Generating/MineShafts.h
+++ b/src/Generating/MineShafts.h
@@ -10,7 +10,6 @@
#pragma once
#include "GridStructGen.h"
-#include "../Noise.h"
diff --git a/src/Generating/Noise3DGenerator.cpp b/src/Generating/Noise3DGenerator.cpp
index da4632de4..70844e6fa 100644
--- a/src/Generating/Noise3DGenerator.cpp
+++ b/src/Generating/Noise3DGenerator.cpp
@@ -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;
-}
+public:
+ cInterpolNoiseSpeedTest(void)
+ {
+ TestSpeed2D();
+ TestSpeed3D();
+ printf("InterpolNoise speed comparison finished.\n");
+ }
+ /** Compare the speed of the 3D InterpolNoise vs 3D CubicNoise. */
+ void TestSpeed3D(void)
+ {
+ 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");
+ }
-/** 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)
- {
- return a_Val1;
- }
- if (a_Ratio > 1)
+ /** Compare the speed of the 2D InterpolNoise vs 2D CubicNoise. */
+ void TestSpeed2D(void)
{
- return a_Val2;
+ 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");
}
- return Lerp(a_Val1, a_Val2, a_Ratio);
-}
+} 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:
{
diff --git a/src/Generating/Noise3DGenerator.h b/src/Generating/Noise3DGenerator.h
index eaac182ba..7822a9efa 100644
--- a/src/Generating/Noise3DGenerator.h
+++ b/src/Generating/Noise3DGenerator.h
@@ -13,7 +13,8 @@
#pragma once
#include "ComposableGenerator.h"
-#include "../Noise.h"
+#include "../Noise/Noise.h"
+#include "../Noise/InterpolNoise.h"
@@ -34,17 +35,20 @@ public:
protected:
// Linear interpolation step sizes, must be divisors of cChunkDef::Width and cChunkDef::Height, respectively:
- static const int UPSCALE_X = 8;
- static const int UPSCALE_Y = 4;
- static const int UPSCALE_Z = 8;
+ static const int UPSCALE_X = 4;
+ static const int UPSCALE_Y = 8;
+ static const int UPSCALE_Z = 4;
// Linear interpolation buffer dimensions, calculated from the step sizes:
static const int DIM_X = 1 + cChunkDef::Width / UPSCALE_X;
static const int DIM_Y = 1 + cChunkDef::Height / UPSCALE_Y;
static const int DIM_Z = 1 + cChunkDef::Width / UPSCALE_Z;
- cPerlinNoise m_Perlin; // The base 3D noise source for the actual composition
- cCubicNoise m_Cubic; // The noise used for heightmap directing
+ /** The base 3D noise source for the actual composition */
+ cOctavedNoise<cInterp5DegNoise> m_Perlin;
+
+ /** The noise used for heightmap directing. */
+ cOctavedNoise<cInterp5DegNoise> m_Cubic;
int m_SeaLevel;
NOISE_DATATYPE m_HeightAmplification;
diff --git a/src/Generating/PieceGenerator.h b/src/Generating/PieceGenerator.h
index f06029280..43ffed7a2 100644
--- a/src/Generating/PieceGenerator.h
+++ b/src/Generating/PieceGenerator.h
@@ -20,7 +20,7 @@ Each uses a slightly different approach to generating:
#include "../Defines.h"
#include "../Cuboid.h"
-#include "../Noise.h"
+#include "../Noise/Noise.h"
diff --git a/src/Generating/Ravines.h b/src/Generating/Ravines.h
index 3e41c5ce6..b11037433 100644
--- a/src/Generating/Ravines.h
+++ b/src/Generating/Ravines.h
@@ -10,7 +10,6 @@
#pragma once
#include "GridStructGen.h"
-#include "../Noise.h"
diff --git a/src/Generating/StructGen.h b/src/Generating/StructGen.h
index 0c5efe622..796abf0f5 100644
--- a/src/Generating/StructGen.h
+++ b/src/Generating/StructGen.h
@@ -14,7 +14,7 @@
#pragma once
#include "ComposableGenerator.h"
-#include "../Noise.h"
+#include "../Noise/Noise.h"
diff --git a/src/Generating/Trees.h b/src/Generating/Trees.h
index c9eb7de80..cc0fa87d9 100644
--- a/src/Generating/Trees.h
+++ b/src/Generating/Trees.h
@@ -18,7 +18,7 @@ logs can overwrite others(leaves), but others shouldn't overwrite logs. This is
#pragma once
#include "../ChunkDef.h"
-#include "../Noise.h"
+#include "../Noise/Noise.h"
diff --git a/src/ItemGrid.cpp b/src/ItemGrid.cpp
index 55fb36a17..d49ea9df1 100644
--- a/src/ItemGrid.cpp
+++ b/src/ItemGrid.cpp
@@ -6,7 +6,7 @@
#include "Globals.h"
#include "ItemGrid.h"
#include "Items/ItemHandler.h"
-#include "Noise.h"
+#include "Noise/Noise.h"
diff --git a/src/Noise/CMakeLists.txt b/src/Noise/CMakeLists.txt
new file mode 100644
index 000000000..e1837500f
--- /dev/null
+++ b/src/Noise/CMakeLists.txt
@@ -0,0 +1,21 @@
+
+cmake_minimum_required (VERSION 2.6)
+project (MCServer)
+
+include_directories ("${PROJECT_SOURCE_DIR}/../")
+
+SET (SRCS
+ Noise.cpp
+)
+
+SET (HDRS
+ Noise.h
+ OctavedNoise.h
+ RidgedNoise.h
+)
+
+if(NOT MSVC)
+ add_library(Noise ${SRCS} ${HDRS})
+
+ target_link_libraries(Noise OSSupport)
+endif()
diff --git a/src/Noise/InterpolNoise.h b/src/Noise/InterpolNoise.h
new file mode 100644
index 000000000..683b54563
--- /dev/null
+++ b/src/Noise/InterpolNoise.h
@@ -0,0 +1,524 @@
+
+// InterpolNoise.h
+
+// Implements the cInterpolNoise class template representing a noise that interpolates the values between integer coords from a single set of neighbors
+
+
+
+
+
+#pragma once
+
+#include "Noise.h"
+
+#define FAST_FLOOR(x) (((x) < 0) ? (((int)x) - 1) : ((int)x))
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+// cInterpolCell2D:
+
+template <typename T>
+class cInterpolCell2D
+{
+public:
+ cInterpolCell2D(
+ const cNoise & a_Noise, ///< Noise to use for generating the random values
+ NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y]
+ int a_SizeX, int a_SizeY, ///< Count of the array, in each direction
+ const NOISE_DATATYPE * a_FracX, ///< Pointer to the array that stores the X fractional values
+ const NOISE_DATATYPE * a_FracY ///< Pointer to the attay that stores the Y fractional values
+ ):
+ m_Noise(a_Noise),
+ m_WorkRnds(&m_Workspace1),
+ m_CurFloorX(0),
+ m_CurFloorY(0),
+ m_Array(a_Array),
+ m_SizeX(a_SizeX),
+ m_SizeY(a_SizeY),
+ m_FracX(a_FracX),
+ m_FracY(a_FracY)
+ {
+ }
+
+
+ /** Generates part of the output noise array using the current m_WorkRnds[] values */
+ void Generate(
+ int a_FromX, int a_ToX,
+ int a_FromY, int a_ToY
+ )
+ {
+ for (int y = a_FromY; y < a_ToY; y++)
+ {
+ NOISE_DATATYPE Interp[2];
+ NOISE_DATATYPE FracY = T::coeff(m_FracY[y]);
+ Interp[0] = Lerp((*m_WorkRnds)[0][0], (*m_WorkRnds)[0][1], FracY);
+ Interp[1] = Lerp((*m_WorkRnds)[1][0], (*m_WorkRnds)[1][1], FracY);
+ int idx = y * m_SizeX + a_FromX;
+ for (int x = a_FromX; x < a_ToX; x++)
+ {
+ m_Array[idx++] = Lerp(Interp[0], Interp[1], T::coeff(m_FracX[x]));
+ } // for x
+ } // for y
+ }
+
+
+ /** Initializes m_WorkRnds[] with the specified values of the noise at the specified integral coords. */
+ void InitWorkRnds(int a_FloorX, int a_FloorY)
+ {
+ m_CurFloorX = a_FloorX;
+ m_CurFloorY = a_FloorY;
+ (*m_WorkRnds)[0][0] = m_Noise.IntNoise2D(m_CurFloorX, m_CurFloorY);
+ (*m_WorkRnds)[0][1] = m_Noise.IntNoise2D(m_CurFloorX, m_CurFloorY + 1);
+ (*m_WorkRnds)[1][0] = m_Noise.IntNoise2D(m_CurFloorX + 1, m_CurFloorY);
+ (*m_WorkRnds)[1][1] = m_Noise.IntNoise2D(m_CurFloorX + 1, m_CurFloorY + 1);
+ }
+
+
+ /** Updates m_WorkRnds[] for the new integral coords */
+ void Move(int a_NewFloorX, int a_NewFloorY)
+ {
+ // Swap the doublebuffer:
+ int OldFloorX = m_CurFloorX;
+ int OldFloorY = m_CurFloorY;
+ Workspace * OldWorkRnds = m_WorkRnds;
+ m_WorkRnds = (m_WorkRnds == &m_Workspace1) ? &m_Workspace2 : &m_Workspace1;
+
+ // Reuse as much of the old workspace as possible:
+ // TODO: Try out if simply calculating all 4 elements each time is faster than this monster loop
+ int DiffX = OldFloorX - a_NewFloorX;
+ int DiffY = OldFloorY - a_NewFloorY;
+ for (int x = 0; x < 2; x++)
+ {
+ int cx = a_NewFloorX + x;
+ int OldX = x - DiffX; // Where would this X be in the old grid?
+ for (int y = 0; y < 2; y++)
+ {
+ int cy = a_NewFloorY + y;
+ int OldY = y - DiffY; // Where would this Y be in the old grid?
+ if ((OldX >= 0) && (OldX < 2) && (OldY >= 0) && (OldY < 2))
+ {
+ (*m_WorkRnds)[x][y] = (*OldWorkRnds)[OldX][OldY];
+ }
+ else
+ {
+ (*m_WorkRnds)[x][y] = (NOISE_DATATYPE)m_Noise.IntNoise2D(cx, cy);
+ }
+ }
+ }
+ m_CurFloorX = a_NewFloorX;
+ m_CurFloorY = a_NewFloorY;
+ }
+
+protected:
+ typedef NOISE_DATATYPE Workspace[2][2];
+
+ /** The noise used for generating the values at integral coords. */
+ const cNoise & m_Noise;
+
+ /** The current random values; points to either m_Workspace1 or m_Workspace2 (doublebuffering) */
+ Workspace * m_WorkRnds;
+
+ /** Buffer 1 for workspace doublebuffering, used in Move() */
+ Workspace m_Workspace1;
+
+ /** Buffer 2 for workspace doublebuffering, used in Move() */
+ Workspace m_Workspace2;
+
+ /** Coords of the currently calculated m_WorkRnds[]. */
+ int m_CurFloorX, m_CurFloorY;
+
+ /** The output array to generate into. */
+ NOISE_DATATYPE * m_Array;
+
+ /** Dimensions of the output array. */
+ int m_SizeX, m_SizeY;
+
+ /** Arrays holding the fractional values of the coords in each direction. */
+ const NOISE_DATATYPE * m_FracX;
+ const NOISE_DATATYPE * m_FracY;
+} ;
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+// cInterpolCell3D:
+
+/** Holds a cache of the last calculated integral noise values and interpolates between them en masse.
+Provides a massive optimization for cInterpolNoise.
+Works by calculating multiple noise values (that have the same integral noise coords) at once. The underlying noise values
+needn't be recalculated for these values, only the interpolation is done within the unit cube. */
+template <typename T>
+class cInterpolCell3D
+{
+public:
+ cInterpolCell3D(
+ const cNoise & a_Noise, ///< Noise to use for generating the random values
+ NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y]
+ int a_SizeX, int a_SizeY, int a_SizeZ, ///< Count of the array, in each direction
+ const NOISE_DATATYPE * a_FracX, ///< Pointer to the array that stores the X fractional values
+ const NOISE_DATATYPE * a_FracY, ///< Pointer to the attay that stores the Y fractional values
+ const NOISE_DATATYPE * a_FracZ ///< Pointer to the array that stores the Z fractional values
+ ):
+ m_Noise(a_Noise),
+ m_WorkRnds(&m_Workspace1),
+ m_CurFloorX(0),
+ m_CurFloorY(0),
+ m_CurFloorZ(0),
+ m_Array(a_Array),
+ m_SizeX(a_SizeX),
+ m_SizeY(a_SizeY),
+ m_SizeZ(a_SizeZ),
+ m_FracX(a_FracX),
+ m_FracY(a_FracY),
+ m_FracZ(a_FracZ)
+ {
+ }
+
+
+ /** Generates part of the output array using current m_WorkRnds[]. */
+ void Generate(
+ int a_FromX, int a_ToX,
+ int a_FromY, int a_ToY,
+ int a_FromZ, int a_ToZ
+ )
+ {
+ for (int z = a_FromZ; z < a_ToZ; z++)
+ {
+ int idxZ = z * m_SizeX * m_SizeY;
+ NOISE_DATATYPE Interp2[2][2];
+ NOISE_DATATYPE FracZ = T::coeff(m_FracZ[z]);
+ for (int x = 0; x < 2; x++)
+ {
+ for (int y = 0; y < 2; y++)
+ {
+ Interp2[x][y] = Lerp((*m_WorkRnds)[x][y][0], (*m_WorkRnds)[x][y][1], FracZ);
+ }
+ }
+ for (int y = a_FromY; y < a_ToY; y++)
+ {
+ NOISE_DATATYPE Interp[2];
+ NOISE_DATATYPE FracY = T::coeff(m_FracY[y]);
+ Interp[0] = Lerp(Interp2[0][0], Interp2[0][1], FracY);
+ Interp[1] = Lerp(Interp2[1][0], Interp2[1][1], FracY);
+ int idx = idxZ + y * m_SizeX + a_FromX;
+ for (int x = a_FromX; x < a_ToX; x++)
+ {
+ m_Array[idx++] = Lerp(Interp[0], Interp[1], T::coeff(m_FracX[x]));
+ } // for x
+ } // for y
+ } // for z
+ }
+
+
+ /** Initializes m_WorkRnds[] with the specified Floor values. */
+ void InitWorkRnds(int a_FloorX, int a_FloorY, int a_FloorZ)
+ {
+ m_CurFloorX = a_FloorX;
+ m_CurFloorY = a_FloorY;
+ m_CurFloorZ = a_FloorZ;
+ (*m_WorkRnds)[0][0][0] = (NOISE_DATATYPE)m_Noise.IntNoise3D(m_CurFloorX, m_CurFloorY, m_CurFloorZ);
+ (*m_WorkRnds)[0][0][1] = (NOISE_DATATYPE)m_Noise.IntNoise3D(m_CurFloorX, m_CurFloorY, m_CurFloorZ + 1);
+ (*m_WorkRnds)[0][1][0] = (NOISE_DATATYPE)m_Noise.IntNoise3D(m_CurFloorX, m_CurFloorY + 1, m_CurFloorZ);
+ (*m_WorkRnds)[0][1][1] = (NOISE_DATATYPE)m_Noise.IntNoise3D(m_CurFloorX, m_CurFloorY + 1, m_CurFloorZ + 1);
+ (*m_WorkRnds)[1][0][0] = (NOISE_DATATYPE)m_Noise.IntNoise3D(m_CurFloorX + 1, m_CurFloorY, m_CurFloorZ);
+ (*m_WorkRnds)[1][0][1] = (NOISE_DATATYPE)m_Noise.IntNoise3D(m_CurFloorX + 1, m_CurFloorY, m_CurFloorZ + 1);
+ (*m_WorkRnds)[1][1][0] = (NOISE_DATATYPE)m_Noise.IntNoise3D(m_CurFloorX + 1, m_CurFloorY + 1, m_CurFloorZ);
+ (*m_WorkRnds)[1][1][1] = (NOISE_DATATYPE)m_Noise.IntNoise3D(m_CurFloorX + 1, m_CurFloorY + 1, m_CurFloorZ + 1);
+ }
+
+
+ /** Updates m_WorkRnds[] for the new Floor values. */
+ void Move(int a_NewFloorX, int a_NewFloorY, int a_NewFloorZ)
+ {
+ // Swap the doublebuffer:
+ int OldFloorX = m_CurFloorX;
+ int OldFloorY = m_CurFloorY;
+ int OldFloorZ = m_CurFloorZ;
+ Workspace * OldWorkRnds = m_WorkRnds;
+ m_WorkRnds = (m_WorkRnds == &m_Workspace1) ? &m_Workspace2 : &m_Workspace1;
+
+ // Reuse as much of the old workspace as possible:
+ // TODO: Try out if simply calculating all 8 elements each time is faster than this monster loop
+ int DiffX = OldFloorX - a_NewFloorX;
+ int DiffY = OldFloorY - a_NewFloorY;
+ int DiffZ = OldFloorZ - a_NewFloorZ;
+ for (int x = 0; x < 2; x++)
+ {
+ int cx = a_NewFloorX + x;
+ int OldX = x - DiffX; // Where would this X be in the old grid?
+ for (int y = 0; y < 2; y++)
+ {
+ int cy = a_NewFloorY + y;
+ int OldY = y - DiffY; // Where would this Y be in the old grid?
+ for (int z = 0; z < 2; z++)
+ {
+ int cz = a_NewFloorZ + z;
+ int OldZ = z - DiffZ;
+ if ((OldX >= 0) && (OldX < 2) && (OldY >= 0) && (OldY < 2) && (OldZ >= 0) && (OldZ < 2))
+ {
+ (*m_WorkRnds)[x][y][z] = (*OldWorkRnds)[OldX][OldY][OldZ];
+ }
+ else
+ {
+ (*m_WorkRnds)[x][y][z] = (NOISE_DATATYPE)m_Noise.IntNoise3D(cx, cy, cz);
+ }
+ } // for z
+ } // for y
+ } // for x
+ m_CurFloorX = a_NewFloorX;
+ m_CurFloorY = a_NewFloorY;
+ m_CurFloorZ = a_NewFloorZ;
+ }
+
+protected:
+ typedef NOISE_DATATYPE Workspace[2][2][2];
+
+ /** The noise used for generating the values at integral coords. */
+ const cNoise & m_Noise;
+
+ /** The current random values; points to either m_Workspace1 or m_Workspace2 (doublebuffering) */
+ Workspace * m_WorkRnds;
+
+ /** Buffer 1 for workspace doublebuffering, used in Move() */
+ Workspace m_Workspace1;
+
+ /** Buffer 2 for workspace doublebuffering, used in Move() */
+ Workspace m_Workspace2;
+
+ /** The integral coords of the currently calculated WorkRnds[] */
+ int m_CurFloorX, m_CurFloorY, m_CurFloorZ;
+
+ /** The output array where the noise is calculated. */
+ NOISE_DATATYPE * m_Array;
+
+ /** Dimensions of the output array. */
+ int m_SizeX, m_SizeY, m_SizeZ;
+
+ /** Arrays holding the fractional values of the coords in each direction. */
+ const NOISE_DATATYPE * m_FracX;
+ const NOISE_DATATYPE * m_FracY;
+ const NOISE_DATATYPE * m_FracZ;
+} ;
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+// cInterpolNoise:
+
+template <typename T>
+class cInterpolNoise
+{
+ /** Maximum size, for each direction, of the generated array. */
+ static const int MAX_SIZE = 256;
+
+public:
+ cInterpolNoise(int a_Seed):
+ m_Noise(a_Seed)
+ {
+ }
+
+
+ /** Sets a new seed for the generators. Relays the seed to the underlying noise. */
+ void SetSeed(int a_Seed)
+ {
+ m_Noise.SetSeed(a_Seed);
+ }
+
+
+ /** Fills a 2D array with the values of the noise. */
+ void Generate2D(
+ NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y]
+ int a_SizeX, int a_SizeY, ///< Count of the array, in each direction
+ NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction
+ NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY ///< Noise-space coords of the array in the Y direction
+ ) const
+ {
+ ASSERT(a_SizeX > 0);
+ ASSERT(a_SizeY > 0);
+ ASSERT(a_SizeX < MAX_SIZE);
+ ASSERT(a_SizeY < MAX_SIZE);
+ ASSERT(a_StartX < a_EndX);
+ ASSERT(a_StartY < a_EndY);
+
+ // Calculate the integral and fractional parts of each coord:
+ int FloorX[MAX_SIZE];
+ int FloorY[MAX_SIZE];
+ NOISE_DATATYPE FracX[MAX_SIZE];
+ NOISE_DATATYPE FracY[MAX_SIZE];
+ int SameX[MAX_SIZE];
+ int SameY[MAX_SIZE];
+ int NumSameX, NumSameY;
+ CalcFloorFrac(a_SizeX, a_StartX, a_EndX, FloorX, FracX, SameX, NumSameX);
+ CalcFloorFrac(a_SizeY, a_StartY, a_EndY, FloorY, FracY, SameY, NumSameY);
+
+ cInterpolCell2D<T> Cell(m_Noise, a_Array, a_SizeX, a_SizeY, FracX, FracY);
+
+ Cell.InitWorkRnds(FloorX[0], FloorY[0]);
+
+ // Calculate query values using Cell:
+ int FromY = 0;
+ for (int y = 0; y < NumSameY; y++)
+ {
+ int ToY = FromY + SameY[y];
+ int FromX = 0;
+ int CurFloorY = FloorY[FromY];
+ for (int x = 0; x < NumSameX; x++)
+ {
+ int ToX = FromX + SameX[x];
+ Cell.Generate(FromX, ToX, FromY, ToY);
+ Cell.Move(FloorX[ToX], CurFloorY);
+ FromX = ToX;
+ } // for x
+ Cell.Move(FloorX[0], FloorY[ToY]);
+ FromY = ToY;
+ } // for y
+ }
+
+
+ /** Fills a 3D array with the values of the noise. */
+ void Generate3D(
+ NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y + a_SizeX * a_SizeY * z]
+ int a_SizeX, int a_SizeY, int a_SizeZ, ///< Count of the array, in each direction
+ NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction
+ NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, ///< Noise-space coords of the array in the Y direction
+ NOISE_DATATYPE a_StartZ, NOISE_DATATYPE a_EndZ ///< Noise-space coords of the array in the Z direction
+ ) const
+ {
+ // Check params:
+ ASSERT(a_SizeX > 1);
+ ASSERT(a_SizeY > 1);
+
+ ASSERT(a_SizeX < MAX_SIZE);
+ ASSERT(a_SizeY < MAX_SIZE);
+ ASSERT(a_SizeZ < MAX_SIZE);
+ ASSERT(a_StartX < a_EndX);
+ ASSERT(a_StartY < a_EndY);
+ ASSERT(a_StartZ < a_EndZ);
+
+ // Calculate the integral and fractional parts of each coord:
+ int FloorX[MAX_SIZE];
+ int FloorY[MAX_SIZE];
+ int FloorZ[MAX_SIZE];
+ NOISE_DATATYPE FracX[MAX_SIZE];
+ NOISE_DATATYPE FracY[MAX_SIZE];
+ NOISE_DATATYPE FracZ[MAX_SIZE];
+ int SameX[MAX_SIZE];
+ int SameY[MAX_SIZE];
+ int SameZ[MAX_SIZE];
+ int NumSameX, NumSameY, NumSameZ;
+ CalcFloorFrac(a_SizeX, a_StartX, a_EndX, FloorX, FracX, SameX, NumSameX);
+ CalcFloorFrac(a_SizeY, a_StartY, a_EndY, FloorY, FracY, SameY, NumSameY);
+ CalcFloorFrac(a_SizeZ, a_StartZ, a_EndZ, FloorZ, FracZ, SameZ, NumSameZ);
+
+ cInterpolCell3D<T> Cell(
+ m_Noise, a_Array,
+ a_SizeX, a_SizeY, a_SizeZ,
+ FracX, FracY, FracZ
+ );
+
+ Cell.InitWorkRnds(FloorX[0], FloorY[0], FloorZ[0]);
+
+ // Calculate query values using Cell:
+ int FromZ = 0;
+ for (int z = 0; z < NumSameZ; z++)
+ {
+ int ToZ = FromZ + SameZ[z];
+ int CurFloorZ = FloorZ[FromZ];
+ int FromY = 0;
+ for (int y = 0; y < NumSameY; y++)
+ {
+ int ToY = FromY + SameY[y];
+ int CurFloorY = FloorY[FromY];
+ int FromX = 0;
+ for (int x = 0; x < NumSameX; x++)
+ {
+ int ToX = FromX + SameX[x];
+ Cell.Generate(FromX, ToX, FromY, ToY, FromZ, ToZ);
+ Cell.Move(FloorX[ToX], CurFloorY, CurFloorZ);
+ FromX = ToX;
+ }
+ Cell.Move(FloorX[0], FloorY[ToY], CurFloorZ);
+ FromY = ToY;
+ } // for y
+ Cell.Move(FloorX[0], FloorY[0], FloorZ[ToZ]);
+ FromZ = ToZ;
+ } // for z
+ }
+
+protected:
+
+ /** The noise used for the underlying value generation. */
+ cNoise m_Noise;
+
+
+ /** Calculates the integral and fractional parts along one axis.
+ a_Floor will receive the integral parts (array of a_Size ints).
+ a_Frac will receive the fractional parts (array of a_Size floats).
+ a_Same will receive the counts of items that have the same integral parts (array of up to a_Size ints).
+ a_NumSame will receive the count of a_Same elements (total count of different integral parts). */
+ void CalcFloorFrac(
+ int a_Size,
+ NOISE_DATATYPE a_Start, NOISE_DATATYPE a_End,
+ int * a_Floor, NOISE_DATATYPE * a_Frac,
+ int * a_Same, int & a_NumSame
+ ) const
+ {
+ ASSERT(a_Size > 0);
+
+ // Calculate the floor and frac values:
+ NOISE_DATATYPE val = a_Start;
+ NOISE_DATATYPE dif = (a_End - a_Start) / (a_Size - 1);
+ for (int i = 0; i < a_Size; i++)
+ {
+ a_Floor[i] = FAST_FLOOR(val);
+ a_Frac[i] = val - a_Floor[i];
+ val += dif;
+ }
+
+ // Mark up the same floor values into a_Same / a_NumSame:
+ int CurFloor = a_Floor[0];
+ int LastSame = 0;
+ a_NumSame = 0;
+ for (int i = 1; i < a_Size; i++)
+ {
+ if (a_Floor[i] != CurFloor)
+ {
+ a_Same[a_NumSame] = i - LastSame;
+ LastSame = i;
+ a_NumSame += 1;
+ CurFloor = a_Floor[i];
+ }
+ } // for i - a_Floor[]
+ if (LastSame < a_Size)
+ {
+ a_Same[a_NumSame] = a_Size - LastSame;
+ a_NumSame += 1;
+ }
+ }
+};
+
+
+
+
+
+/** A fifth-degree curve for interpolating.
+Implemented as a functor for better chance of inlining. */
+struct Interp5Deg
+{
+ static NOISE_DATATYPE coeff(NOISE_DATATYPE a_Val)
+ {
+ return a_Val * a_Val * a_Val * (a_Val * (a_Val * 6 - 15) + 10);
+ }
+};
+
+typedef cInterpolNoise<Interp5Deg> cInterp5DegNoise;
+
+
+
diff --git a/src/Noise.cpp b/src/Noise/Noise.cpp
index 8fcfe2920..509be7d6c 100644
--- a/src/Noise.cpp
+++ b/src/Noise/Noise.cpp
@@ -2,6 +2,7 @@
#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
#include "Noise.h"
+#include "OSSupport/Timer.h"
#define FAST_FLOOR(x) (((x) < 0) ? (((int)x) - 1) : ((int)x))
@@ -9,10 +10,110 @@
+#if 0
+/** cImprovedPerlin noise test suite:
+- Generate a rather large 2D and 3D noise array and output it to a file
+- Compare performance of cCubicNoise and cImprovedNoise, both in single-value and 3D-array usages */
+static class cImprovedPerlinNoiseTest
+{
+public:
+ cImprovedPerlinNoiseTest(void)
+ {
+ printf("Performing Improved Perlin Noise tests...\n");
+ TestImage();
+ TestSpeed();
+ TestSpeedArr();
+ printf("Improved Perlin Noise tests complete.\n");
+ }
+
+
+ /** Tests the noise by generating 2D and 3D images and dumping them to files. */
+ void TestImage(void)
+ {
+ static const int SIZE_X = 256;
+ static const int SIZE_Y = 256;
+ static const int SIZE_Z = 16;
+
+ cImprovedNoise noise(1);
+ std::unique_ptr<NOISE_DATATYPE[]> arr(new NOISE_DATATYPE[SIZE_X * SIZE_Y * SIZE_Z]);
+ noise.Generate3D(arr.get(), SIZE_X, SIZE_Y, SIZE_Z, 0, 14, 0, 14, 0, 14);
+ Debug3DNoise(arr.get(), SIZE_X, SIZE_Y, SIZE_Z, "ImprovedPerlinNoiseTest3D", 128);
+ noise.Generate2D(arr.get(), SIZE_X, SIZE_Y, 0, 14, 15, 28);
+ Debug2DNoise(arr.get(), SIZE_X, SIZE_Y, "ImprovedPerlinNoiseTest2D", 128);
+ }
+
+
+ /** Tests the speeds of cImprovedPerlin and cCubicNoise when generating individual values. */
+ void TestSpeed(void)
+ {
+ cImprovedNoise improvedNoise(1);
+ cNoise noise(1);
+ cTimer timer;
+
+ // Measure the improvedNoise:
+ NOISE_DATATYPE sum = 0;
+ long long start = timer.GetNowTime();
+ for (int i = 0; i < 100000000; i++)
+ {
+ sum += improvedNoise.GetValueAt(i, 0, -i);
+ }
+ long long finish = timer.GetNowTime();
+ printf("cImprovedNoise took %.2f seconds; total is %f.\n", static_cast<float>(finish - start) / 1000.0f, sum);
+
+ // Measure the cubicNoise:
+ sum = 0;
+ start = timer.GetNowTime();
+ for (int i = 0; i < 100000000; i++)
+ {
+ sum += noise.IntNoise3D(i, 0, -i);
+ }
+ finish = timer.GetNowTime();
+ printf("cCubicNoise took %.2f seconds; total is %f.\n", static_cast<float>(finish - start) / 1000.0f, sum);
+ }
+
+
+ /** Tests the speeds of cImprovedPerlin and cCubicNoise when generating arrays. */
+ void TestSpeedArr(void)
+ {
+ static const int SIZE_X = 256;
+ static const int SIZE_Y = 256;
+ static const int SIZE_Z = 16;
+
+ std::unique_ptr<NOISE_DATATYPE[]> arr(new NOISE_DATATYPE[SIZE_X * SIZE_Y * SIZE_Z]);
+ cTimer timer;
+ cImprovedNoise improvedNoise(1);
+ cCubicNoise cubicNoise(1);
+
+ // Measure the improvedNoise:
+ long long start = timer.GetNowTime();
+ for (int i = 0; i < 40; i++)
+ {
+ improvedNoise.Generate3D(arr.get(), SIZE_X, SIZE_Y, SIZE_Z, 0, 14, 0, 14, 0, 14);
+ }
+ long long finish = timer.GetNowTime();
+ printf("cImprovedNoise(arr) took %.2f seconds.\n", static_cast<float>(finish - start) / 1000.0f);
+
+ // Measure the cubicNoise:
+ start = timer.GetNowTime();
+ for (int i = 0; i < 40; i++)
+ {
+ cubicNoise.Generate3D(arr.get(), SIZE_X, SIZE_Y, SIZE_Z, 0, 14, 0, 14, 0, 14);
+ }
+ finish = timer.GetNowTime();
+ printf("cCubicNoise(arr) took %.2f seconds.\n", static_cast<float>(finish - start) / 1000.0f);
+ }
+} g_Test;
+
+#endif
+
+
+
+
+
////////////////////////////////////////////////////////////////////////////////
// Globals:
-void Debug3DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, int a_SizeZ, const AString & a_FileNameBase)
+void Debug3DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, int a_SizeZ, const AString & a_FileNameBase, NOISE_DATATYPE a_Coeff)
{
const int BUF_SIZE = 512;
ASSERT(a_SizeX <= BUF_SIZE); // Just stretch it, if needed
@@ -29,7 +130,7 @@ void Debug3DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, int
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++]))));
+ buf[x] = static_cast<unsigned char>(Clamp((int)(128 + a_Coeff * a_Noise[idx++]), 0, 255));
}
f1.Write(buf, a_SizeX);
} // for y
@@ -50,7 +151,7 @@ void Debug3DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, int
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++]))));
+ buf[x] = static_cast<unsigned char>(Clamp((int)(128 + a_Coeff * a_Noise[idx++]), 0, 255));
}
f2.Write(buf, a_SizeX);
} // for z
@@ -65,7 +166,7 @@ void Debug3DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, int
-void Debug2DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, const AString & a_FileNameBase)
+void Debug2DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, const AString & a_FileNameBase, NOISE_DATATYPE a_Coeff)
{
const int BUF_SIZE = 512;
ASSERT(a_SizeX <= BUF_SIZE); // Just stretch it, if needed
@@ -79,7 +180,7 @@ void Debug2DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, cons
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++]))));
+ buf[x] = static_cast<unsigned char>(Clamp((int)(128 + a_Coeff * a_Noise[idx++]), 0, 255));
}
f1.Write(buf, a_SizeX);
} // for y
@@ -594,13 +695,6 @@ NOISE_DATATYPE cNoise::CubicNoise3D(NOISE_DATATYPE a_X, NOISE_DATATYPE a_Y, NOIS
////////////////////////////////////////////////////////////////////////////////
// cCubicNoise:
-#ifdef _DEBUG
- int cCubicNoise::m_NumSingleX = 0;
- int cCubicNoise::m_NumSingleXY = 0;
- int cCubicNoise::m_NumSingleY = 0;
- int cCubicNoise::m_NumCalls = 0;
-#endif // _DEBUG
-
cCubicNoise::cCubicNoise(int a_Seed) :
m_Noise(a_Seed)
{
@@ -639,23 +733,6 @@ void cCubicNoise::Generate2D(
Cell.InitWorkRnds(FloorX[0], FloorY[0]);
- #ifdef _DEBUG
- // Statistics on the noise-space coords:
- if (NumSameX == 1)
- {
- m_NumSingleX++;
- if (NumSameY == 1)
- {
- m_NumSingleXY++;
- }
- }
- if (NumSameY == 1)
- {
- m_NumSingleY++;
- }
- m_NumCalls++;
- #endif // _DEBUG
-
// Calculate query values using Cell:
int FromY = 0;
for (int y = 0; y < NumSameY; y++)
@@ -792,101 +869,28 @@ void cCubicNoise::CalcFloorFrac(
////////////////////////////////////////////////////////////////////////////////
-// cPerlinNoise:
-
-cPerlinNoise::cPerlinNoise(void) :
- m_Seed(0)
-{
-}
-
-
-
+// cImprovedNoise:
-
-cPerlinNoise::cPerlinNoise(int a_Seed) :
- m_Seed(a_Seed)
-{
-}
-
-
-
-
-
-void cPerlinNoise::SetSeed(int a_Seed)
-{
- m_Seed = a_Seed;
-}
-
-
-
-
-
-void cPerlinNoise::AddOctave(float a_Frequency, float a_Amplitude)
-{
- m_Octaves.push_back(cOctave(m_Seed * ((int)m_Octaves.size() + 4) * 4 + 1024, a_Frequency, a_Amplitude));
-}
-
-
-
-
-
-void cPerlinNoise::Generate2D(
- NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y]
- int a_SizeX, int a_SizeY, ///< Count of the array, in each direction
- NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction
- NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, ///< Noise-space coords of the array in the Y direction
- NOISE_DATATYPE * a_Workspace ///< Workspace that this function can use and trash
-) const
+cImprovedNoise::cImprovedNoise(int a_Seed)
{
- if (m_Octaves.empty())
- {
- // No work to be done
- ASSERT(!"Perlin: No octaves to generate!");
- return;
- }
-
- bool ShouldFreeWorkspace = (a_Workspace == nullptr);
- int ArrayCount = a_SizeX * a_SizeY;
- if (ShouldFreeWorkspace)
- {
- a_Workspace = new NOISE_DATATYPE[ArrayCount];
- }
-
- // Generate the first octave directly into array:
- const cOctave & FirstOctave = m_Octaves.front();
-
- FirstOctave.m_Noise.Generate2D(
- a_Workspace, a_SizeX, a_SizeY,
- a_StartX * FirstOctave.m_Frequency, a_EndX * FirstOctave.m_Frequency,
- a_StartY * FirstOctave.m_Frequency, a_EndY * FirstOctave.m_Frequency
- );
- NOISE_DATATYPE Amplitude = FirstOctave.m_Amplitude;
- for (int i = 0; i < ArrayCount; i++)
+ // Initialize the permutations with identity:
+ for (int i = 0; i < 256; i++)
{
- a_Array[i] = a_Workspace[i] * Amplitude;
+ m_Perm[i] = i;
}
-
- // Add each octave:
- for (cOctaves::const_iterator itr = m_Octaves.begin() + 1, end = m_Octaves.end(); itr != end; ++itr)
+
+ // Randomize the permutation table - swap each element with a random other element:
+ cNoise noise(a_Seed);
+ for (int i = 0; i < 256; i++)
{
- // Generate cubic noise for the octave:
- itr->m_Noise.Generate2D(
- a_Workspace, a_SizeX, a_SizeY,
- a_StartX * itr->m_Frequency, a_EndX * itr->m_Frequency,
- a_StartY * itr->m_Frequency, a_EndY * itr->m_Frequency
- );
- // Add the cubic noise into the output:
- NOISE_DATATYPE Amplitude = itr->m_Amplitude;
- for (int i = 0; i < ArrayCount; i++)
- {
- a_Array[i] += a_Workspace[i] * Amplitude;
- }
+ int rnd = (noise.IntNoise1DInt(i) / 7) % 256;
+ std::swap(m_Perm[i], m_Perm[rnd]);
}
-
- if (ShouldFreeWorkspace)
+
+ // Copy the lower 256 entries into upper 256 entries:
+ for (int i = 0; i < 256; i++)
{
- delete[] a_Workspace;
- a_Workspace = nullptr;
+ m_Perm[i + 256] = m_Perm[i];
}
}
@@ -894,239 +898,132 @@ void cPerlinNoise::Generate2D(
-void cPerlinNoise::Generate3D(
- NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y + a_SizeX * a_SizeY * z]
- int a_SizeX, int a_SizeY, int a_SizeZ, ///< Count of the array, in each direction
- NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction
- NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, ///< Noise-space coords of the array in the Y direction
- NOISE_DATATYPE a_StartZ, NOISE_DATATYPE a_EndZ, ///< Noise-space coords of the array in the Z direction
- NOISE_DATATYPE * a_Workspace ///< Workspace that this function can use and trash
+void cImprovedNoise::Generate2D(
+ NOISE_DATATYPE * a_Array,
+ int a_SizeX, int a_SizeY,
+ NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX,
+ NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY
) const
{
- if (m_Octaves.empty())
- {
- // No work to be done
- ASSERT(!"Perlin: No octaves to generate!");
- return;
- }
-
- bool ShouldFreeWorkspace = (a_Workspace == nullptr);
- int ArrayCount = a_SizeX * a_SizeY * a_SizeZ;
- if (ShouldFreeWorkspace)
+ size_t idx = 0;
+ for (int y = 0; y < a_SizeY; y++)
{
- a_Workspace = new NOISE_DATATYPE[ArrayCount];
- }
-
- // Generate the first octave directly into array:
- const cOctave & FirstOctave = m_Octaves.front();
-
- FirstOctave.m_Noise.Generate3D(
- a_Workspace, a_SizeX, a_SizeY, a_SizeZ,
- a_StartX * FirstOctave.m_Frequency, a_EndX * FirstOctave.m_Frequency,
- a_StartY * FirstOctave.m_Frequency, a_EndY * FirstOctave.m_Frequency,
- a_StartZ * FirstOctave.m_Frequency, a_EndZ * FirstOctave.m_Frequency
- );
- NOISE_DATATYPE Amplitude = FirstOctave.m_Amplitude;
- for (int i = 0; i < ArrayCount; i++)
- {
- a_Array[i] = a_Workspace[i] * Amplitude;
- }
-
- // Add each octave:
- for (cOctaves::const_iterator itr = m_Octaves.begin() + 1, end = m_Octaves.end(); itr != end; ++itr)
- {
- // Generate cubic noise for the octave:
- itr->m_Noise.Generate3D(
- a_Workspace, a_SizeX, a_SizeY, a_SizeZ,
- a_StartX * itr->m_Frequency, a_EndX * itr->m_Frequency,
- a_StartY * itr->m_Frequency, a_EndY * itr->m_Frequency,
- a_StartZ * itr->m_Frequency, a_EndZ * itr->m_Frequency
- );
- // Add the cubic noise into the output:
- NOISE_DATATYPE Amplitude = itr->m_Amplitude;
- for (int i = 0; i < ArrayCount; i++)
+ NOISE_DATATYPE ratioY = static_cast<NOISE_DATATYPE>(y) / (a_SizeY - 1);
+ NOISE_DATATYPE noiseY = Lerp(a_StartY, a_EndY, ratioY);
+ int noiseYInt = FAST_FLOOR(noiseY);
+ int yCoord = noiseYInt & 255;
+ NOISE_DATATYPE noiseYFrac = noiseY - noiseYInt;
+ NOISE_DATATYPE fadeY = Fade(noiseYFrac);
+ for (int x = 0; x < a_SizeX; x++)
{
- a_Array[i] += a_Workspace[i] * Amplitude;
- }
- }
-
- if (ShouldFreeWorkspace)
- {
- delete[] a_Workspace;
- a_Workspace = nullptr;
- }
-}
-
-
-
-
-
-////////////////////////////////////////////////////////////////////////////////
-// cRidgedMultiNoise:
-
-cRidgedMultiNoise::cRidgedMultiNoise(void) :
- m_Seed(0)
-{
-}
-
-
-
-
-
-cRidgedMultiNoise::cRidgedMultiNoise(int a_Seed) :
- m_Seed(a_Seed)
-{
-}
-
-
-
-
-
-void cRidgedMultiNoise::SetSeed(int a_Seed)
-{
- m_Seed = a_Seed;
-}
-
-
-
-
-
-void cRidgedMultiNoise::AddOctave(float a_Frequency, float a_Amplitude)
-{
- m_Octaves.push_back(cOctave(m_Seed * ((int)m_Octaves.size() + 4) * 4 + 1024, a_Frequency, a_Amplitude));
+ NOISE_DATATYPE ratioX = static_cast<NOISE_DATATYPE>(x) / (a_SizeX - 1);
+ NOISE_DATATYPE noiseX = Lerp(a_StartX, a_EndX, ratioX);
+ int noiseXInt = FAST_FLOOR(noiseX);
+ int xCoord = noiseXInt & 255;
+ NOISE_DATATYPE noiseXFrac = noiseX - noiseXInt;
+ NOISE_DATATYPE fadeX = Fade(noiseXFrac);
+
+ // Hash the coordinates:
+ int A = m_Perm[xCoord] + yCoord;
+ int AA = m_Perm[A];
+ int AB = m_Perm[A + 1];
+ int B = m_Perm[xCoord + 1] + yCoord;
+ int BA = m_Perm[B];
+ int BB = m_Perm[B + 1];
+
+ // Lerp the gradients:
+ a_Array[idx++] = Lerp(
+ Lerp(Grad(m_Perm[AA], noiseXFrac, noiseYFrac, 0), Grad(m_Perm[BA], noiseXFrac - 1, noiseYFrac, 0), fadeX),
+ Lerp(Grad(m_Perm[AB], noiseXFrac, noiseYFrac - 1, 0), Grad(m_Perm[BB], noiseXFrac - 1, noiseYFrac - 1, 0), fadeX),
+ fadeY
+ );
+ } // for x
+ } // for y
}
-void cRidgedMultiNoise::Generate2D(
- NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y]
- int a_SizeX, int a_SizeY, ///< Count of the array, in each direction
- NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction
- NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, ///< Noise-space coords of the array in the Y direction
- NOISE_DATATYPE * a_Workspace ///< Workspace that this function can use and trash
+void cImprovedNoise::Generate3D(
+ NOISE_DATATYPE * a_Array,
+ int a_SizeX, int a_SizeY, int a_SizeZ,
+ NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX,
+ NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY,
+ NOISE_DATATYPE a_StartZ, NOISE_DATATYPE a_EndZ
) const
{
- if (m_Octaves.empty())
- {
- // No work to be done
- ASSERT(!"RidgedMulti: No octaves to generate!");
- return;
- }
-
- bool ShouldFreeWorkspace = (a_Workspace == nullptr);
- int ArrayCount = a_SizeX * a_SizeY;
- if (ShouldFreeWorkspace)
- {
- a_Workspace = new NOISE_DATATYPE[ArrayCount];
- }
-
- // Generate the first octave directly into array:
- const cOctave & FirstOctave = m_Octaves.front();
-
- FirstOctave.m_Noise.Generate2D(
- a_Workspace, a_SizeX, a_SizeY,
- a_StartX * FirstOctave.m_Frequency, a_EndX * FirstOctave.m_Frequency,
- a_StartY * FirstOctave.m_Frequency, a_EndY * FirstOctave.m_Frequency
- );
- NOISE_DATATYPE Amplitude = FirstOctave.m_Amplitude;
- for (int i = 0; i < ArrayCount; i++)
+ size_t idx = 0;
+ for (int z = 0; z < a_SizeZ; z++)
{
- a_Array[i] = fabs(a_Workspace[i] * Amplitude);
- }
-
- // Add each octave:
- for (cOctaves::const_iterator itr = m_Octaves.begin() + 1, end = m_Octaves.end(); itr != end; ++itr)
- {
- // Generate cubic noise for the octave:
- itr->m_Noise.Generate2D(
- a_Workspace, a_SizeX, a_SizeY,
- a_StartX * itr->m_Frequency, a_EndX * itr->m_Frequency,
- a_StartY * itr->m_Frequency, a_EndY * itr->m_Frequency
- );
- // Add the cubic noise into the output:
- NOISE_DATATYPE Amplitude = itr->m_Amplitude;
- for (int i = 0; i < ArrayCount; i++)
+ NOISE_DATATYPE ratioZ = static_cast<NOISE_DATATYPE>(z) / (a_SizeZ - 1);
+ NOISE_DATATYPE noiseZ = Lerp(a_StartZ, a_EndZ, ratioZ);
+ int noiseZInt = FAST_FLOOR(noiseZ);
+ int zCoord = noiseZInt & 255;
+ NOISE_DATATYPE noiseZFrac = noiseZ - noiseZInt;
+ NOISE_DATATYPE fadeZ = Fade(noiseZFrac);
+ for (int y = 0; y < a_SizeY; y++)
{
- a_Array[i] += fabs(a_Workspace[i] * Amplitude);
- }
- }
-
- if (ShouldFreeWorkspace)
- {
- delete[] a_Workspace;
- a_Workspace = nullptr;
- }
+ NOISE_DATATYPE ratioY = static_cast<NOISE_DATATYPE>(y) / (a_SizeY - 1);
+ NOISE_DATATYPE noiseY = Lerp(a_StartY, a_EndY, ratioY);
+ int noiseYInt = FAST_FLOOR(noiseY);
+ int yCoord = noiseYInt & 255;
+ NOISE_DATATYPE noiseYFrac = noiseY - noiseYInt;
+ NOISE_DATATYPE fadeY = Fade(noiseYFrac);
+ for (int x = 0; x < a_SizeX; x++)
+ {
+ NOISE_DATATYPE ratioX = static_cast<NOISE_DATATYPE>(x) / (a_SizeX - 1);
+ NOISE_DATATYPE noiseX = Lerp(a_StartX, a_EndX, ratioX);
+ int noiseXInt = FAST_FLOOR(noiseX);
+ int xCoord = noiseXInt & 255;
+ NOISE_DATATYPE noiseXFrac = noiseX - noiseXInt;
+ NOISE_DATATYPE fadeX = Fade(noiseXFrac);
+
+ // Hash the coordinates:
+ int A = m_Perm[xCoord] + yCoord;
+ int AA = m_Perm[A] + zCoord;
+ int AB = m_Perm[A + 1] + zCoord;
+ int B = m_Perm[xCoord + 1] + yCoord;
+ int BA = m_Perm[B] + zCoord;
+ int BB = m_Perm[B + 1] + zCoord;
+
+ // Lerp the gradients:
+ // TODO: This may be optimized by swapping the coords and recalculating most lerps only "once every x"
+ a_Array[idx++] = Lerp(
+ Lerp(
+ Lerp(Grad(m_Perm[AA], noiseXFrac, noiseYFrac, noiseZFrac), Grad(m_Perm[BA], noiseXFrac - 1, noiseYFrac, noiseZFrac), fadeX),
+ Lerp(Grad(m_Perm[AB], noiseXFrac, noiseYFrac - 1, noiseZFrac), Grad(m_Perm[BB], noiseXFrac - 1, noiseYFrac - 1, noiseZFrac), fadeX),
+ fadeY
+ ),
+ Lerp(
+ Lerp(Grad(m_Perm[AA + 1], noiseXFrac, noiseYFrac, noiseZFrac - 1), Grad(m_Perm[BA + 1], noiseXFrac - 1, noiseYFrac, noiseZFrac - 1), fadeX),
+ Lerp(Grad(m_Perm[AB + 1], noiseXFrac, noiseYFrac - 1, noiseZFrac - 1), Grad(m_Perm[BB + 1], noiseXFrac - 1, noiseYFrac - 1, noiseZFrac - 1), fadeX),
+ fadeY
+ ),
+ fadeZ
+ );
+ } // for x
+ } // for y
+ } // for z
}
-void cRidgedMultiNoise::Generate3D(
- NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y + a_SizeX * a_SizeY * z]
- int a_SizeX, int a_SizeY, int a_SizeZ, ///< Count of the array, in each direction
- NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction
- NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, ///< Noise-space coords of the array in the Y direction
- NOISE_DATATYPE a_StartZ, NOISE_DATATYPE a_EndZ, ///< Noise-space coords of the array in the Z direction
- NOISE_DATATYPE * a_Workspace ///< Workspace that this function can use and trash
-) const
+NOISE_DATATYPE cImprovedNoise::GetValueAt(int a_X, int a_Y, int a_Z)
{
- if (m_Octaves.empty())
- {
- // No work to be done
- ASSERT(!"RidgedMulti: No octaves to generate!");
- return;
- }
-
- bool ShouldFreeWorkspace = (a_Workspace == nullptr);
- int ArrayCount = a_SizeX * a_SizeY * a_SizeZ;
- if (ShouldFreeWorkspace)
- {
- a_Workspace = new NOISE_DATATYPE[ArrayCount];
- }
-
- // Generate the first octave directly into array:
- const cOctave & FirstOctave = m_Octaves.front();
-
- FirstOctave.m_Noise.Generate3D(
- a_Workspace, a_SizeX, a_SizeY, a_SizeZ,
- a_StartX * FirstOctave.m_Frequency, a_EndX * FirstOctave.m_Frequency,
- a_StartY * FirstOctave.m_Frequency, a_EndY * FirstOctave.m_Frequency,
- a_StartZ * FirstOctave.m_Frequency, a_EndZ * FirstOctave.m_Frequency
- );
- NOISE_DATATYPE Amplitude = FirstOctave.m_Amplitude;
- for (int i = 0; i < ArrayCount; i++)
- {
- a_Array[i] = a_Workspace[i] * Amplitude;
- }
-
- // Add each octave:
- for (cOctaves::const_iterator itr = m_Octaves.begin() + 1, end = m_Octaves.end(); itr != end; ++itr)
- {
- // Generate cubic noise for the octave:
- itr->m_Noise.Generate3D(
- a_Workspace, a_SizeX, a_SizeY, a_SizeZ,
- a_StartX * itr->m_Frequency, a_EndX * itr->m_Frequency,
- a_StartY * itr->m_Frequency, a_EndY * itr->m_Frequency,
- a_StartZ * itr->m_Frequency, a_EndZ * itr->m_Frequency
- );
- // Add the cubic noise into the output:
- NOISE_DATATYPE Amplitude = itr->m_Amplitude;
- for (int i = 0; i < ArrayCount; i++)
- {
- a_Array[i] += a_Workspace[i] * Amplitude;
- }
- }
-
- if (ShouldFreeWorkspace)
- {
- delete[] a_Workspace;
- a_Workspace = nullptr;
- }
+ // Hash the coordinates:
+ a_X = a_X & 255;
+ a_Y = a_Y & 255;
+ a_Z = a_Z & 255;
+ int A = m_Perm[a_X] + a_Y;
+ int AA = m_Perm[A] + a_Z;
+
+ return Grad(m_Perm[AA], 1, 1, 1);
}
+
diff --git a/src/Noise.h b/src/Noise/Noise.h
index b7a90d5b7..323194bfd 100644
--- a/src/Noise.h
+++ b/src/Noise/Noise.h
@@ -7,22 +7,11 @@
#include <cmath>
+/** The datatype used by all the noise generators. */
+typedef float NOISE_DATATYPE;
-
-
-
-// Some settings
-#define NOISE_DATATYPE float
-
-
-
-
-
-#ifdef _MSC_VER
- #define INLINE __forceinline
-#else
- #define INLINE inline
-#endif
+#include "OctavedNoise.h"
+#include "RidgedNoise.h"
@@ -35,20 +24,20 @@ public:
cNoise(const cNoise & a_Noise);
// The following functions, if not marked INLINE, are about 20 % slower
- INLINE NOISE_DATATYPE IntNoise1D(int a_X) const;
- INLINE NOISE_DATATYPE IntNoise2D(int a_X, int a_Y) const;
- INLINE NOISE_DATATYPE IntNoise3D(int a_X, int a_Y, int a_Z) const;
+ inline NOISE_DATATYPE IntNoise1D(int a_X) const;
+ inline NOISE_DATATYPE IntNoise2D(int a_X, int a_Y) const;
+ inline NOISE_DATATYPE IntNoise3D(int a_X, int a_Y, int a_Z) const;
// Return a float number in the specified range:
- INLINE NOISE_DATATYPE IntNoise2DInRange(int a_X, int a_Y, float a_Min, float a_Max) const
+ inline NOISE_DATATYPE IntNoise2DInRange(int a_X, int a_Y, float a_Min, float a_Max) const
{
return a_Min + std::abs(IntNoise2D(a_X, a_Y)) * (a_Max - a_Min);
}
// Note: These functions have a mod8-irregular chance - each of the mod8 remainders has different chance of occurrence. Divide by 8 to rectify.
- INLINE int IntNoise1DInt(int a_X) const;
- INLINE int IntNoise2DInt(int a_X, int a_Y) const;
- INLINE int IntNoise3DInt(int a_X, int a_Y, int a_Z) const;
+ inline int IntNoise1DInt(int a_X) const;
+ inline int IntNoise2DInt(int a_X, int a_Y) const;
+ inline int IntNoise3DInt(int a_X, int a_Y, int a_Z) const;
NOISE_DATATYPE LinearNoise1D(NOISE_DATATYPE a_X) const;
NOISE_DATATYPE CosineNoise1D(NOISE_DATATYPE a_X) const;
@@ -61,9 +50,9 @@ public:
void SetSeed(int a_Seed) { m_Seed = a_Seed; }
- INLINE static NOISE_DATATYPE CubicInterpolate (NOISE_DATATYPE a_A, NOISE_DATATYPE a_B, NOISE_DATATYPE a_C, NOISE_DATATYPE a_D, NOISE_DATATYPE a_Pct);
- INLINE static NOISE_DATATYPE CosineInterpolate(NOISE_DATATYPE a_A, NOISE_DATATYPE a_B, NOISE_DATATYPE a_Pct);
- INLINE static NOISE_DATATYPE LinearInterpolate(NOISE_DATATYPE a_A, NOISE_DATATYPE a_B, NOISE_DATATYPE a_Pct);
+ inline static NOISE_DATATYPE CubicInterpolate (NOISE_DATATYPE a_A, NOISE_DATATYPE a_B, NOISE_DATATYPE a_C, NOISE_DATATYPE a_D, NOISE_DATATYPE a_Pct);
+ inline static NOISE_DATATYPE CosineInterpolate(NOISE_DATATYPE a_A, NOISE_DATATYPE a_B, NOISE_DATATYPE a_Pct);
+ inline static NOISE_DATATYPE LinearInterpolate(NOISE_DATATYPE a_A, NOISE_DATATYPE a_B, NOISE_DATATYPE a_Pct);
private:
int m_Seed;
@@ -76,19 +65,15 @@ private:
class cCubicNoise
{
public:
- static const int MAX_SIZE = 512; ///< Maximum size of each dimension of the query arrays.
+ /** Maximum size of each dimension of the query arrays. */
+ static const int MAX_SIZE = 512;
+ /** Creates a new instance with the specified seed. */
cCubicNoise(int a_Seed);
- void Generate1D(
- NOISE_DATATYPE * a_Array, ///< Array to generate into
- int a_SizeX, ///< Count of the array
- NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX ///< Noise-space coords of the array
- ) const;
-
-
+ /** Fills a 2D array with the values of the noise. */
void Generate2D(
NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y]
int a_SizeX, int a_SizeY, ///< Count of the array, in each direction
@@ -97,6 +82,7 @@ public:
) const;
+ /** Fills a 3D array with the values of the noise. */
void Generate3D(
NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y + a_SizeX * a_SizeY * z]
int a_SizeX, int a_SizeY, int a_SizeZ, ///< Count of the array, in each direction
@@ -106,163 +92,87 @@ public:
) const;
protected:
- typedef NOISE_DATATYPE Workspace1D[4];
- typedef NOISE_DATATYPE Workspace2D[4][4];
-
- cNoise m_Noise; // Used for integral rnd values
-
- #ifdef _DEBUG
- // Statistics on the noise-space coords:
- static int m_NumSingleX;
- static int m_NumSingleXY;
- static int m_NumSingleY;
- static int m_NumCalls;
- #endif // _DEBUG
- /// Calculates the integral and fractional parts along one axis.
+ /** Noise used for integral random values. */
+ cNoise m_Noise;
+
+
+ /** Calculates the integral and fractional parts along one axis.
+ a_Floor will receive the integral parts (array of a_Size ints).
+ a_Frac will receive the fractional parts (array of a_Size floats).
+ a_Same will receive the counts of items that have the same integral parts (array of up to a_Size ints).
+ a_NumSame will receive the count of a_Same elements (total count of different integral parts). */
void CalcFloorFrac(
int a_Size,
NOISE_DATATYPE a_Start, NOISE_DATATYPE a_End,
int * a_Floor, NOISE_DATATYPE * a_Frac,
int * a_Same, int & a_NumSame
) const;
-
- void UpdateWorkRnds2DX(
- Workspace2D & a_WorkRnds,
- Workspace1D & a_Interps,
- int a_LastFloorX, int a_NewFloorX,
- int a_FloorY,
- NOISE_DATATYPE a_FractionY
- ) const;
} ;
-class cPerlinNoise
+/** Improved noise, as described by Ken Perlin: http://mrl.nyu.edu/~perlin/paper445.pdf
+Implementation adapted from Perlin's Java implementation: http://mrl.nyu.edu/~perlin/noise/ */
+class cImprovedNoise
{
public:
- cPerlinNoise(void);
- cPerlinNoise(int a_Seed);
-
-
- void SetSeed(int a_Seed);
-
- void AddOctave(NOISE_DATATYPE a_Frequency, NOISE_DATATYPE a_Amplitude);
-
- void Generate1D(
- NOISE_DATATYPE * a_Array, ///< Array to generate into
- int a_SizeX, ///< Count of the array
- NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array
- NOISE_DATATYPE * a_Workspace = nullptr ///< Workspace that this function can use and trash
- ) const;
-
-
+ /** Constructs a new instance of the noise obbject.
+ Note that this operation is quite expensive (the permutation array being constructed). */
+ cImprovedNoise(int a_Seed);
+
+
+ /** Fills a 2D array with the values of the noise. */
void Generate2D(
NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y]
int a_SizeX, int a_SizeY, ///< Count of the array, in each direction
NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction
- NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, ///< Noise-space coords of the array in the Y direction
- NOISE_DATATYPE * a_Workspace = nullptr ///< Workspace that this function can use and trash
+ NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY ///< Noise-space coords of the array in the Y direction
) const;
+ /** Fills a 3D array with the values of the noise. */
void Generate3D(
NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y + a_SizeX * a_SizeY * z]
int a_SizeX, int a_SizeY, int a_SizeZ, ///< Count of the array, in each direction
NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction
NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, ///< Noise-space coords of the array in the Y direction
- NOISE_DATATYPE a_StartZ, NOISE_DATATYPE a_EndZ, ///< Noise-space coords of the array in the Z direction
- NOISE_DATATYPE * a_Workspace = nullptr ///< Workspace that this function can use and trash
+ NOISE_DATATYPE a_StartZ, NOISE_DATATYPE a_EndZ ///< Noise-space coords of the array in the Z direction
) const;
-
+
+ /** Returns the value at the specified integral coords. Used for raw speed measurement. */
+ NOISE_DATATYPE GetValueAt(int a_X, int a_Y, int a_Z);
+
protected:
- class cOctave
+
+ /** The permutation table used by the noise function. Initialized using seed. */
+ int m_Perm[512];
+
+
+ /** Calculates the fade curve, 6 * t^5 - 15 * t^4 + 10 * t^3. */
+ inline static NOISE_DATATYPE Fade(NOISE_DATATYPE a_T)
{
- public:
- cCubicNoise m_Noise;
-
- NOISE_DATATYPE m_Frequency; // Coord multiplier
- NOISE_DATATYPE m_Amplitude; // Value multiplier
-
- cOctave(int a_Seed, NOISE_DATATYPE a_Frequency, NOISE_DATATYPE a_Amplitude) :
- m_Noise(a_Seed),
- m_Frequency(a_Frequency),
- m_Amplitude(a_Amplitude)
- {
- }
- } ;
-
- typedef std::vector<cOctave> cOctaves;
-
- int m_Seed;
- cOctaves m_Octaves;
-} ;
+ return a_T * a_T * a_T * (a_T * (a_T * 6 - 15) + 10);
+ }
+ /** Returns the gradient value based on the hash. */
+ inline static NOISE_DATATYPE Grad(int a_Hash, NOISE_DATATYPE a_X, NOISE_DATATYPE a_Y, NOISE_DATATYPE a_Z)
+ {
+ int hash = a_Hash % 16;
+ NOISE_DATATYPE u = (hash < 8) ? a_X : a_Y;
+ NOISE_DATATYPE v = (hash < 4) ? a_Y : (((hash == 12) || (hash == 14)) ? a_X : a_Z);
+ return (((hash & 1) == 0) ? u : -u) + (((hash & 2) == 0) ? v : -v);
+ }
+};
-class cRidgedMultiNoise
-{
-public:
- cRidgedMultiNoise(void);
- cRidgedMultiNoise(int a_Seed);
-
-
- void SetSeed(int a_Seed);
-
- void AddOctave(NOISE_DATATYPE a_Frequency, NOISE_DATATYPE a_Amplitude);
-
- void Generate1D(
- NOISE_DATATYPE * a_Array, ///< Array to generate into
- int a_SizeX, ///< Count of the array
- NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array
- NOISE_DATATYPE * a_Workspace = nullptr ///< Workspace that this function can use and trash
- ) const;
-
-
- void Generate2D(
- NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y]
- int a_SizeX, int a_SizeY, ///< Count of the array, in each direction
- NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction
- NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, ///< Noise-space coords of the array in the Y direction
- NOISE_DATATYPE * a_Workspace = nullptr ///< Workspace that this function can use and trash
- ) const;
-
-
- void Generate3D(
- NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y + a_SizeX * a_SizeY * z]
- int a_SizeX, int a_SizeY, int a_SizeZ, ///< Count of the array, in each direction
- NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction
- NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, ///< Noise-space coords of the array in the Y direction
- NOISE_DATATYPE a_StartZ, NOISE_DATATYPE a_EndZ, ///< Noise-space coords of the array in the Z direction
- NOISE_DATATYPE * a_Workspace = nullptr ///< Workspace that this function can use and trash
- ) const;
-
-protected:
- class cOctave
- {
- public:
- cCubicNoise m_Noise;
-
- NOISE_DATATYPE m_Frequency; // Coord multiplier
- NOISE_DATATYPE m_Amplitude; // Value multiplier
-
- cOctave(int a_Seed, NOISE_DATATYPE a_Frequency, NOISE_DATATYPE a_Amplitude) :
- m_Noise(a_Seed),
- m_Frequency(a_Frequency),
- m_Amplitude(a_Amplitude)
- {
- }
- } ;
-
- typedef std::vector<cOctave> cOctaves;
-
- int m_Seed;
- cOctaves m_Octaves;
-} ;
+
+typedef cOctavedNoise<cCubicNoise> cPerlinNoise;
+typedef cOctavedNoise<cRidgedNoise<cCubicNoise>> cRidgedMultiNoise;
@@ -376,8 +286,46 @@ NOISE_DATATYPE cNoise::LinearInterpolate(NOISE_DATATYPE a_A, NOISE_DATATYPE a_B,
////////////////////////////////////////////////////////////////////////////////
// Global functions:
-extern void Debug2DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, const AString & a_FileNameBase);
-extern void Debug3DNoise(const NOISE_DATATYPE * a_Noise, int a_SizeX, int a_SizeY, int a_SizeZ, const AString & a_FileNameBase);
+/** Exports the noise array into a file.
+a_Coeff specifies the value that each array value is multiplied by before being converted into a byte. */
+extern void Debug2DNoise(const NOISE_DATATYPE * a_Array, int a_SizeX, int a_SizeY, const AString & a_FileNameBase, NOISE_DATATYPE a_Coeff = 32);
+
+/** Exports the noise array into a set of files, ordered by XY and XZ.
+a_Coeff specifies the value that each array value is multiplied by before being converted into a byte. */
+extern void Debug3DNoise(const NOISE_DATATYPE * a_Array, int a_SizeX, int a_SizeY, int a_SizeZ, const AString & a_FileNameBase, NOISE_DATATYPE a_Coeff = 32);
+
+
+
+
+/** Linearly interpolates between two values.
+Assumes that a_Ratio is in range [0, 1]. */
+inline NOISE_DATATYPE Lerp(NOISE_DATATYPE a_Val1, NOISE_DATATYPE a_Val2, NOISE_DATATYPE a_Ratio)
+{
+ return a_Val1 + (a_Val2 - a_Val1) * a_Ratio;
+}
+
+
+
+
+
+/** Linearly interpolates between two values, clamping the ratio to [0, 1] first. */
+inline NOISE_DATATYPE ClampedLerp(NOISE_DATATYPE a_Val1, NOISE_DATATYPE a_Val2, NOISE_DATATYPE a_Ratio)
+{
+ if (a_Ratio < 0)
+ {
+ return a_Val1;
+ }
+ if (a_Ratio > 1)
+ {
+ return a_Val2;
+ }
+ return Lerp(a_Val1, a_Val2, a_Ratio);
+}
+
+
+
+
+
diff --git a/src/Noise/OctavedNoise.h b/src/Noise/OctavedNoise.h
new file mode 100644
index 000000000..855117289
--- /dev/null
+++ b/src/Noise/OctavedNoise.h
@@ -0,0 +1,192 @@
+
+// OctavedNoise.h
+
+// Implements the cOctavedNoise class template representing a noise generator that layers several octaves of another noise
+
+
+
+
+
+#pragma once
+
+
+
+
+
+template <typename N>
+class cOctavedNoise
+{
+public:
+ cOctavedNoise(int a_Seed = 0):
+ m_Seed(a_Seed)
+ {
+ }
+
+
+ /** Sets a new seed for the generators. Relays the seed to all underlying octaves. */
+ void SetSeed(int a_Seed)
+ {
+ m_Seed = a_Seed;
+ for (auto oct: m_Octaves)
+ {
+ oct->SetSeed(a_Seed);
+ }
+ }
+
+
+ /** Adds a new octave to the list of octaves that compose this noise. */
+ void AddOctave(NOISE_DATATYPE a_Frequency, NOISE_DATATYPE a_Amplitude)
+ {
+ m_Octaves.emplace_back(m_Seed, a_Frequency, a_Amplitude);
+ }
+
+
+ /** Fills a 2D array with the values of the noise. */
+ void Generate2D(
+ NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y]
+ int a_SizeX, int a_SizeY, ///< Count of the array, in each direction
+ NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction
+ NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, ///< Noise-space coords of the array in the Y direction
+ NOISE_DATATYPE * a_Workspace = nullptr ///< Workspace that this function can use and trash.
+ ) const
+ {
+ // Check that state is alright:
+ if (m_Octaves.empty())
+ {
+ ASSERT(!"cOctavedNoise: No octaves to generate!");
+ return;
+ }
+
+ // Allocate the workspace on the heap, if it wasn't given:
+ std::unique_ptr<NOISE_DATATYPE[]> workspaceHeap;
+ if (a_Workspace == nullptr)
+ {
+ workspaceHeap.reset(new NOISE_DATATYPE[a_SizeX * a_SizeY]);
+ a_Workspace = workspaceHeap.get();
+ }
+
+ // Generate the first octave directly into array:
+ const cOctave & FirstOctave = m_Octaves.front();
+ int ArrayCount = a_SizeX * a_SizeY;
+ FirstOctave.m_Noise.Generate2D(
+ a_Workspace, a_SizeX, a_SizeY,
+ a_StartX * FirstOctave.m_Frequency, a_EndX * FirstOctave.m_Frequency,
+ a_StartY * FirstOctave.m_Frequency, a_EndY * FirstOctave.m_Frequency
+ );
+ NOISE_DATATYPE Amplitude = FirstOctave.m_Amplitude;
+ for (int i = 0; i < ArrayCount; i++)
+ {
+ a_Array[i] = a_Workspace[i] * Amplitude;
+ }
+
+ // Add each octave:
+ for (auto itr = m_Octaves.cbegin() + 1, end = m_Octaves.cend(); itr != end; ++itr)
+ {
+ // Generate the noise for the octave:
+ itr->m_Noise.Generate2D(
+ a_Workspace, a_SizeX, a_SizeY,
+ a_StartX * itr->m_Frequency, a_EndX * itr->m_Frequency,
+ a_StartY * itr->m_Frequency, a_EndY * itr->m_Frequency
+ );
+ // Add it into the output:
+ NOISE_DATATYPE Amplitude = itr->m_Amplitude;
+ for (int i = 0; i < ArrayCount; i++)
+ {
+ a_Array[i] += a_Workspace[i] * Amplitude;
+ }
+ } // for itr - m_Octaves[]
+ }
+
+
+ /** Fills a 3D array with the values of the noise. */
+ void Generate3D(
+ NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y + a_SizeX * a_SizeY * z]
+ int a_SizeX, int a_SizeY, int a_SizeZ, ///< Count of the array, in each direction
+ NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction
+ NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, ///< Noise-space coords of the array in the Y direction
+ NOISE_DATATYPE a_StartZ, NOISE_DATATYPE a_EndZ, ///< Noise-space coords of the array in the Z direction
+ NOISE_DATATYPE * a_Workspace = nullptr ///< Workspace that this function can use and trash, same size as a_Array
+ ) const
+ {
+ // Check that state is alright:
+ if (m_Octaves.empty())
+ {
+ ASSERT(!"cOctavedNoise: No octaves to generate!");
+ return;
+ }
+
+ // Allocate the workspace on the heap, if it wasn't given:
+ std::unique_ptr<NOISE_DATATYPE[]> workspaceHeap;
+ if (a_Workspace == nullptr)
+ {
+ workspaceHeap.reset(new NOISE_DATATYPE[a_SizeX * a_SizeY * a_SizeZ]);
+ a_Workspace = workspaceHeap.get();
+ }
+
+ // Generate the first octave directly into array:
+ const cOctave & FirstOctave = m_Octaves.front();
+ int ArrayCount = a_SizeX * a_SizeY * a_SizeZ;
+ FirstOctave.m_Noise.Generate3D(
+ a_Workspace, a_SizeX, a_SizeY, a_SizeZ,
+ a_StartX * FirstOctave.m_Frequency, a_EndX * FirstOctave.m_Frequency,
+ a_StartY * FirstOctave.m_Frequency, a_EndY * FirstOctave.m_Frequency,
+ a_StartZ * FirstOctave.m_Frequency, a_EndZ * FirstOctave.m_Frequency
+ );
+ NOISE_DATATYPE Amplitude = FirstOctave.m_Amplitude;
+ for (int i = 0; i < ArrayCount; i++)
+ {
+ a_Array[i] = a_Workspace[i] * Amplitude;
+ }
+
+ // Add each octave:
+ for (auto itr = m_Octaves.cbegin() + 1, end = m_Octaves.cend(); itr != end; ++itr)
+ {
+ // Generate the noise for the octave:
+ itr->m_Noise.Generate3D(
+ a_Workspace, a_SizeX, a_SizeY, a_SizeZ,
+ a_StartX * itr->m_Frequency, a_EndX * itr->m_Frequency,
+ a_StartY * itr->m_Frequency, a_EndY * itr->m_Frequency,
+ a_StartZ * itr->m_Frequency, a_EndZ * itr->m_Frequency
+ );
+ // Add it into the output:
+ NOISE_DATATYPE Amplitude = itr->m_Amplitude;
+ for (int i = 0; i < ArrayCount; i++)
+ {
+ a_Array[i] += a_Workspace[i] * Amplitude;
+ }
+ } // for itr - m_Octaves[]
+ }
+
+protected:
+ /** Stores information and state for one octave of the noise. */
+ class cOctave
+ {
+ public:
+ N m_Noise;
+
+ /** Coord multiplier. */
+ NOISE_DATATYPE m_Frequency;
+
+ /** Value multiplier. */
+ NOISE_DATATYPE m_Amplitude;
+
+ cOctave(int a_Seed, NOISE_DATATYPE a_Frequency, NOISE_DATATYPE a_Amplitude) :
+ m_Noise(a_Seed),
+ m_Frequency(a_Frequency),
+ m_Amplitude(a_Amplitude)
+ {
+ }
+ } ;
+ typedef std::vector<cOctave> cOctaves;
+
+
+ /** The seed used by the underlying generators. */
+ int m_Seed;
+
+ /** The octaves that compose this noise. */
+ cOctaves m_Octaves;
+};
+
+
+
+
diff --git a/src/Noise/RidgedNoise.h b/src/Noise/RidgedNoise.h
new file mode 100644
index 000000000..69b480f60
--- /dev/null
+++ b/src/Noise/RidgedNoise.h
@@ -0,0 +1,91 @@
+
+// RidgedNoise.h
+
+// Implements the cRidgedNoise template class that generates ridged noise based on another noise provider.
+
+
+
+
+
+#pragma once
+
+
+
+
+
+template <typename N>
+class cRidgedNoise
+{
+public:
+ /** Creates a new instance with the seed set to 0. */
+ cRidgedNoise(void):
+ m_Noise(0)
+ {
+ }
+
+
+ /** Creates a new instance with the specified seed. */
+ cRidgedNoise(int a_Seed):
+ m_Noise(a_Seed)
+ {
+ }
+
+
+ /** Sets the seed for the underlying noise. */
+ void SetSeed(int a_Seed)
+ {
+ m_Noise.SetSeed(a_Seed);
+ }
+
+
+ /** Fills a 2D array with the values of the noise. */
+ void Generate2D(
+ NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y]
+ int a_SizeX, int a_SizeY, ///< Count of the array, in each direction
+ NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction
+ NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY ///< Noise-space coords of the array in the Y direction
+ ) const
+ {
+ int ArrayCount = a_SizeX * a_SizeY;
+ m_Noise.Generate2D(
+ a_Array, a_SizeX, a_SizeY,
+ a_StartX, a_EndX,
+ a_StartY, a_EndY
+ );
+ for (int i = 0; i < ArrayCount; i++)
+ {
+ a_Array[i] = fabs(a_Array[i]);
+ }
+ }
+
+
+ /** Fills a 3D array with the values of the noise. */
+ void Generate3D(
+ NOISE_DATATYPE * a_Array, ///< Array to generate into [x + a_SizeX * y + a_SizeX * a_SizeY * z]
+ int a_SizeX, int a_SizeY, int a_SizeZ, ///< Count of the array, in each direction
+ NOISE_DATATYPE a_StartX, NOISE_DATATYPE a_EndX, ///< Noise-space coords of the array in the X direction
+ NOISE_DATATYPE a_StartY, NOISE_DATATYPE a_EndY, ///< Noise-space coords of the array in the Y direction
+ NOISE_DATATYPE a_StartZ, NOISE_DATATYPE a_EndZ ///< Noise-space coords of the array in the Z direction
+ ) const
+ {
+ int ArrayCount = a_SizeX * a_SizeY * a_SizeZ;
+ m_Noise.Generate2D(
+ a_Array, a_SizeX, a_SizeY, a_SizeZ,
+ a_StartX, a_EndX,
+ a_StartY, a_EndY,
+ a_StartZ, a_EndZ
+ );
+ for (int i = 0; i < ArrayCount; i++)
+ {
+ a_Array[i] = fabs(a_Array[i]);
+ }
+ }
+
+protected:
+ N m_Noise;
+} ;
+
+
+
+
+
diff --git a/src/Root.cpp b/src/Root.cpp
index 49d6117eb..55e1c1156 100644
--- a/src/Root.cpp
+++ b/src/Root.cpp
@@ -634,7 +634,7 @@ bool cRoot::FindAndDoWithPlayer(const AString & a_PlayerName, cPlayerListCallbac
bool cRoot::DoWithPlayerByUUID(const AString & a_PlayerUUID, cPlayerListCallback & a_Callback)
-{
+{
for (WorldMap::iterator itr = m_WorldsByName.begin(); itr != m_WorldsByName.end();itr++)
{
if (itr->second->DoWithPlayerByUUID(a_PlayerUUID, a_Callback))
diff --git a/src/Root.h b/src/Root.h
index 618f70fb8..ec6b83fcc 100644
--- a/src/Root.h
+++ b/src/Root.h
@@ -125,7 +125,7 @@ public:
/// Finds a player from a partial or complete player name and calls the callback - case-insensitive
bool FindAndDoWithPlayer(const AString & a_PlayerName, cPlayerListCallback & a_Callback); // >> EXPORTED IN MANUALBINDINGS <<
-
+
/** Finds the player over his uuid and calls the callback */
bool DoWithPlayerByUUID(const AString & a_PlayerUUID, cPlayerListCallback & a_Callback); // >> EXPORTED IN MANUALBINDINGS <<
diff --git a/src/VoronoiMap.h b/src/VoronoiMap.h
index dfb11e9ce..56022849e 100644
--- a/src/VoronoiMap.h
+++ b/src/VoronoiMap.h
@@ -9,7 +9,7 @@
#pragma once
-#include "Noise.h"
+#include "Noise/Noise.h"
diff --git a/src/World.cpp b/src/World.cpp
index 68855e617..df1a97460 100644
--- a/src/World.cpp
+++ b/src/World.cpp
@@ -283,6 +283,7 @@ cWorld::cWorld(const AString & a_WorldName, eDimension a_Dimension, const AStrin
m_bCommandBlocksEnabled(true),
m_bUseChatPrefixes(false),
m_TNTShrapnelLevel(slNone),
+ m_MaxViewDistance(12),
m_Scoreboard(this),
m_MapManager(this),
m_GeneratorCallbacks(*this),
@@ -561,6 +562,8 @@ void cWorld::Start(void)
m_BroadcastDeathMessages = IniFile.GetValueSetB("Broadcasting", "BroadcastDeathMessages", true);
m_BroadcastAchievementMessages = IniFile.GetValueSetB("Broadcasting", "BroadcastAchievementMessages", true);
+ SetMaxViewDistance(IniFile.GetValueSetI("SpawnPosition", "MaxViewDistance", 12));
+
// Try to find the "SpawnPosition" key and coord values in the world configuration, set the flag if found
int KeyNum = IniFile.FindKey("SpawnPosition");
m_IsSpawnExplicitlySet =
@@ -2926,25 +2929,19 @@ bool cWorld::SetSignLines(int a_BlockX, int a_BlockY, int a_BlockZ, const AStrin
AString Line2(a_Line2);
AString Line3(a_Line3);
AString Line4(a_Line4);
+
if (cRoot::Get()->GetPluginManager()->CallHookUpdatingSign(*this, a_BlockX, a_BlockY, a_BlockZ, Line1, Line2, Line3, Line4, a_Player))
{
return false;
}
+
if (m_ChunkMap->SetSignLines(a_BlockX, a_BlockY, a_BlockZ, Line1, Line2, Line3, Line4))
{
cRoot::Get()->GetPluginManager()->CallHookUpdatedSign(*this, a_BlockX, a_BlockY, a_BlockZ, Line1, Line2, Line3, Line4, a_Player);
return true;
}
- return false;
-}
-
-
-
-
-bool cWorld::UpdateSign(int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4, cPlayer * a_Player)
-{
- return SetSignLines(a_BlockX, a_BlockY, a_BlockZ, a_Line1, a_Line2, a_Line3, a_Line4, a_Player);
+ return false;
}
diff --git a/src/World.h b/src/World.h
index f1bf9371a..fe57b0789 100644
--- a/src/World.h
+++ b/src/World.h
@@ -26,6 +26,7 @@
#include "MapManager.h"
#include "Blocks/WorldInterface.h"
#include "Blocks/BroadcastInterface.h"
+#include "ClientHandle.h"
@@ -325,7 +326,7 @@ public:
/** Finds the player over his uuid and calls the callback */
bool DoWithPlayerByUUID(const AString & a_PlayerUUID, cPlayerListCallback & a_Callback); // >> EXPORTED IN MANUALBINDINGS <<
-
+
void SendPlayerList(cPlayer * a_DestPlayer); // Sends playerlist to the player
/** Adds the entity into its appropriate chunk; takes ownership of the entity ptr.
@@ -377,11 +378,8 @@ public:
/** Marks the chunk as failed-to-load: */
void ChunkLoadFailed(int a_ChunkX, int a_ChunkZ);
- /** Sets the sign text, asking plugins for permission first. a_Player is the player who this change belongs to, may be nullptr. Returns true if sign text changed. Same as UpdateSign() */
+ /** Sets the sign text, asking plugins for permission first. a_Player is the player who this change belongs to, may be nullptr. Returns true if sign text changed. */
bool SetSignLines(int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4, cPlayer * a_Player = nullptr); // Exported in ManualBindings.cpp
-
- /** Sets the sign text, asking plugins for permission first. a_Player is the player who this change belongs to, may be nullptr. Returns true if sign text changed. Same as SetSignLines() */
- bool UpdateSign(int a_X, int a_Y, int a_Z, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4, cPlayer * a_Player = nullptr); // Exported in ManualBindings.cpp
/** Sets the command block command. Returns true if command changed. */
bool SetCommandBlockCommand(int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Command); // tolua_export
@@ -649,6 +647,12 @@ public:
eShrapnelLevel GetTNTShrapnelLevel(void) const { return m_TNTShrapnelLevel; }
void SetTNTShrapnelLevel(eShrapnelLevel a_Flag) { m_TNTShrapnelLevel = a_Flag; }
+ int GetMaxViewDistance(void) const { return m_MaxViewDistance; }
+ void SetMaxViewDistance(int a_MaxViewDistance)
+ {
+ m_MaxViewDistance = Clamp(a_MaxViewDistance, cClientHandle::MIN_VIEW_DISTANCE, cClientHandle::MAX_VIEW_DISTANCE);
+ }
+
bool ShouldUseChatPrefixes(void) const { return m_bUseChatPrefixes; }
void SetShouldUseChatPrefixes(bool a_Flag) { m_bUseChatPrefixes = a_Flag; }
@@ -964,6 +968,9 @@ private:
*/
eShrapnelLevel m_TNTShrapnelLevel;
+ /** The maximum view distance that a player can have in this world. */
+ int m_MaxViewDistance;
+
/** Name of the nether world */
AString m_NetherWorldName;