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Fixed grass spread, closes #1743 

- Removed the salt parameter in cFastRandom functions, it wasn't doing
what we thought it was following the move to C++11
This commit is contained in:
Tiger Wang 2015-03-14 00:59:53 +00:00
parent 57d2a09c8c
commit e94886c140
5 changed files with 8 additions and 41 deletions
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6
src/Blocks/BlockDirt.h
View File

@ -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;

24
src/FastRandom.cpp
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@ -105,18 +105,6 @@ 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 +116,6 @@ 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);

6
src/FastRandom.h
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@ -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); }

4
src/Map.cpp
View File

@ -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
{

9
src/MobSpawner.cpp
View File

@ -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)
);
}