diff options
| -rw-r--r-- | src/Blocks/BlockDirt.h | 6 | ||||
| -rw-r--r-- | src/FastRandom.cpp | 34 | ||||
| -rw-r--r-- | src/FastRandom.h | 6 | ||||
| -rw-r--r-- | src/Map.cpp | 4 | ||||
| -rw-r--r-- | src/MobSpawner.cpp | 9 |
5 files changed, 16 insertions, 43 deletions
diff --git a/src/Blocks/BlockDirt.h b/src/Blocks/BlockDirt.h index 12bca92dd..cc0d845e4 100644 --- a/src/Blocks/BlockDirt.h +++ b/src/Blocks/BlockDirt.h @@ -69,9 +69,9 @@ public: cFastRandom rand; for (int i = 0; i < 2; i++) // Pick two blocks to grow to { - int OfsX = rand.NextInt(3, a_RelX) - 1; // [-1 .. 1] - int OfsY = rand.NextInt(5, a_RelY) - 3; // [-3 .. 1] - int OfsZ = rand.NextInt(3, a_RelZ) - 1; // [-1 .. 1] + int OfsX = rand.NextInt(3) - 1; // [-1 .. 1] + int OfsY = rand.NextInt(5) - 3; // [-3 .. 1] + int OfsZ = rand.NextInt(3) - 1; // [-1 .. 1] BLOCKTYPE DestBlock; NIBBLETYPE DestMeta; diff --git a/src/FastRandom.cpp b/src/FastRandom.cpp index 515dc25ea..737b13535 100644 --- a/src/FastRandom.cpp +++ b/src/FastRandom.cpp @@ -6,6 +6,12 @@ #include "Globals.h" #include "FastRandom.h" +#ifdef _WIN32 + #define thread_local __declspec(thread) +#endif + +thread_local unsigned int m_Counter = 0; + @@ -86,7 +92,7 @@ public: cFastRandom::cFastRandom(void) : - m_LinearRand(static_cast<unsigned>(std::chrono::system_clock::now().time_since_epoch().count())) + m_LinearRand(m_Counter++) { } @@ -105,18 +111,6 @@ int cFastRandom::NextInt(int a_Range) -int cFastRandom::NextInt(int a_Range, int a_Salt) -{ - m_LinearRand.seed(a_Salt); - std::uniform_int_distribution<> distribution(0, a_Range - 1); - return distribution(m_LinearRand); -} - - - - - - float cFastRandom::NextFloat(float a_Range) { std::uniform_real_distribution<float> distribution(0, a_Range); @@ -128,18 +122,6 @@ float cFastRandom::NextFloat(float a_Range) -float cFastRandom::NextFloat(float a_Range, int a_Salt) -{ - m_LinearRand.seed(a_Salt); - std::uniform_real_distribution<float> distribution(0, a_Range); - return distribution(m_LinearRand); -} - - - - - - int cFastRandom::GenerateRandomInteger(int a_Begin, int a_End) { std::uniform_int_distribution<> distribution(a_Begin, a_End); @@ -154,7 +136,7 @@ int cFastRandom::GenerateRandomInteger(int a_Begin, int a_End) // MTRand: MTRand::MTRand() : - m_MersenneRand(static_cast<unsigned>(std::chrono::system_clock::now().time_since_epoch().count())) + m_MersenneRand(m_Counter++) { } diff --git a/src/FastRandom.h b/src/FastRandom.h index 64a087c97..30395a293 100644 --- a/src/FastRandom.h +++ b/src/FastRandom.h @@ -36,16 +36,10 @@ public: /** Returns a random int in the range [0 .. a_Range - 1]; a_Range must be less than 1M */ int NextInt(int a_Range); - - /** Returns a random int in the range [0 .. a_Range - 1]; a_Range must be less than 1M; a_Salt is additional source of randomness */ - int NextInt(int a_Range, int a_Salt); /** Returns a random float in the range [0 .. a_Range]; a_Range must be less than 1M */ float NextFloat(float a_Range); - /** Returns a random float in the range [0 .. a_Range]; a_Range must be less than 1M; a_Salt is additional source of randomness */ - float NextFloat(float a_Range, int a_Salt); - /** Returns a random float between 0 and 1. */ float NextFloat(void) { return NextFloat(1); } diff --git a/src/Map.cpp b/src/Map.cpp index fbde00cf7..5e57cc8ec 100644 --- a/src/Map.cpp +++ b/src/Map.cpp @@ -66,10 +66,8 @@ void cMapDecorator::Update(void) { cFastRandom Random; - Int64 WorldAge = m_Player->GetWorld()->GetWorldAge(); - // TODO 2014-02-19 xdot: Refine - m_Rot = Random.NextInt(16, (int) WorldAge); + m_Rot = Random.NextInt(16); } else { diff --git a/src/MobSpawner.cpp b/src/MobSpawner.cpp index 541135996..7a5238fd8 100644 --- a/src/MobSpawner.cpp +++ b/src/MobSpawner.cpp @@ -110,8 +110,7 @@ eMonsterType cMobSpawner::ChooseMobType(EMCSBiome a_Biome) if (allowedMobsSize > 0) { std::set<eMonsterType>::iterator itr = allowedMobs.begin(); - static int Counter = 0; - int iRandom = m_Random.NextInt((int)allowedMobsSize, Counter++); + int iRandom = m_Random.NextInt((int)allowedMobsSize); for (int i = 0; i < iRandom; i++) { @@ -187,7 +186,7 @@ bool cMobSpawner::CanSpawnHere(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_R (BlockBelow == E_BLOCK_GRASS) || (BlockBelow == E_BLOCK_LEAVES) || (BlockBelow == E_BLOCK_NEW_LEAVES) ) && (a_RelY >= 62) && - (Random.NextInt(3, a_Biome) != 0) + (Random.NextInt(3) != 0) ); } @@ -248,7 +247,7 @@ bool cMobSpawner::CanSpawnHere(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_R (!cBlockInfo::IsTransparent(BlockBelow)) && (SkyLight <= 7) && (BlockLight <= 7) && - (Random.NextInt(2, a_Biome) == 0) + (Random.NextInt(2) == 0) ); } @@ -272,7 +271,7 @@ bool cMobSpawner::CanSpawnHere(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_R (TargetBlock == E_BLOCK_AIR) && (BlockAbove == E_BLOCK_AIR) && (!cBlockInfo::IsTransparent(BlockBelow)) && - (Random.NextInt(20, a_Biome) == 0) + (Random.NextInt(20) == 0) ); } |