|
public static getFastNoise3D ( |
||
| $noise | ||
| $xSize | integer | |
| $ySize | integer | |
| $zSize | integer | |
| $xSamplingRate | integer | |
| $ySamplingRate | integer | |
| $zSamplingRate | integer | |
| $x | integer | |
| $y | integer | |
| $z | integer | |
| return | SplFixedArray | |
public function generateChunk($chunkX, $chunkZ)
{
$this->random->setSeed(0xdeadbeef ^ $chunkX << 8 ^ $chunkZ ^ $this->level->getSeed());
$noise = Generator::getFastNoise3D($this->noiseBase, 16, 128, 16, 4, 8, 4, $chunkX * 16, 0, $chunkZ * 16);
$chunk = $this->level->getChunk($chunkX, $chunkZ);
for ($x = 0; $x < 16; ++$x) {
for ($z = 0; $z < 16; ++$z) {
$biome = Biome::getBiome(Biome::HELL);
$chunk->setBiomeId($x, $z, $biome->getId());
$color = [0, 0, 0];
$bColor = $biome->getColor();
$color[0] += ($bColor >> 16) ** 2;
$color[1] += ($bColor >> 8 & 0xff) ** 2;
$color[2] += ($bColor & 0xff) ** 2;
$chunk->setBiomeColor($x, $z, $color[0], $color[1], $color[2]);
for ($y = 0; $y < 128; ++$y) {
if ($y === 0 or $y === 127) {
$chunk->setBlockId($x, $y, $z, Block::BEDROCK);
continue;
}
$noiseValue = abs($this->emptyHeight - $y) / $this->emptyHeight * $this->emptyAmplitude - $noise[$x][$z][$y];
$noiseValue -= 1 - $this->density;
if ($noiseValue > 0) {
$chunk->setBlockId($x, $y, $z, Block::NETHERRACK);
} elseif ($y <= $this->waterHeight) {
$chunk->setBlockId($x, $y, $z, Block::STILL_LAVA);
}
}
}
}
foreach ($this->generationPopulators as $populator) {
$populator->populate($this->level, $chunkX, $chunkZ, $this->random);
}
}
public function generateChunk($chunkX, $chunkZ)
{
$this->random->setSeed(0xdeadbeef ^ $chunkX << 8 ^ $chunkZ ^ $this->level->getSeed());
$noise = Generator::getFastNoise3D($this->noiseBase, 16, 128, 16, 4, 8, 4, $chunkX * 16, 0, $chunkZ * 16);
$chunk = $this->level->getChunk($chunkX, $chunkZ);
$biomeCache = [];
for ($x = 0; $x < 16; ++$x) {
for ($z = 0; $z < 16; ++$z) {
$minSum = 0;
$maxSum = 0;
$weightSum = 0;
$biome = $this->pickBiome($chunkX * 16 + $x, $chunkZ * 16 + $z);
$chunk->setBiomeId($x, $z, $biome->getId());
$color = [0, 0, 0];
for ($sx = -self::$SMOOTH_SIZE; $sx <= self::$SMOOTH_SIZE; ++$sx) {
for ($sz = -self::$SMOOTH_SIZE; $sz <= self::$SMOOTH_SIZE; ++$sz) {
$weight = self::$GAUSSIAN_KERNEL[$sx + self::$SMOOTH_SIZE][$sz + self::$SMOOTH_SIZE];
if ($sx === 0 and $sz === 0) {
$adjacent = $biome;
} else {
$index = Level::chunkHash($chunkX * 16 + $x + $sx, $chunkZ * 16 + $z + $sz);
if (isset($biomeCache[$index])) {
$adjacent = $biomeCache[$index];
} else {
$biomeCache[$index] = $adjacent = $this->pickBiome($chunkX * 16 + $x + $sx, $chunkZ * 16 + $z + $sz);
}
}
$minSum += ($adjacent->getMinElevation() - 1) * $weight;
$maxSum += $adjacent->getMaxElevation() * $weight;
$bColor = $adjacent->getColor();
$color[0] += ($bColor >> 16) ** 2 * $weight;
$color[1] += ($bColor >> 8 & 0xff) ** 2 * $weight;
$color[2] += ($bColor & 0xff) ** 2 * $weight;
$weightSum += $weight;
}
}
$minSum /= $weightSum;
$maxSum /= $weightSum;
$chunk->setBiomeColor($x, $z, sqrt($color[0] / $weightSum), sqrt($color[1] / $weightSum), sqrt($color[2] / $weightSum));
$solidLand = false;
for ($y = 127; $y >= 0; --$y) {
if ($y === 0) {
$chunk->setBlockId($x, $y, $z, Block::BEDROCK);
continue;
}
// A noiseAdjustment of 1 will guarantee ground, a noiseAdjustment of -1 will guarantee air.
//$effHeight = min($y - $smoothHeight - $minSum,
$noiseAdjustment = 2 * (($maxSum - $y) / ($maxSum - $minSum)) - 1;
// To generate caves, we bring the noiseAdjustment down away from 1.
$caveLevel = $minSum - 10;
$distAboveCaveLevel = max(0, $y - $caveLevel);
// must be positive
$noiseAdjustment = min($noiseAdjustment, 0.4 + $distAboveCaveLevel / 10);
$noiseValue = $noise[$x][$z][$y] + $noiseAdjustment;
if ($noiseValue > 0) {
$chunk->setBlockId($x, $y, $z, Block::STONE);
$solidLand = true;
} elseif ($y <= $this->waterHeight && $solidLand == false) {
$chunk->setBlockId($x, $y, $z, Block::STILL_WATER);
}
}
}
}
foreach ($this->generationPopulators as $populator) {
$populator->populate($this->level, $chunkX, $chunkZ, $this->random);
}
}
public function generateChunk($chunkX, $chunkZ)
{
$this->random->setSeed(0.0 ^ $chunkX << 8 ^ $chunkZ ^ $this->level->getSeed());
$noise = Generator::getFastNoise3D($this->noiseBase, 16, 128, 16, 4, 8, 4, $chunkX * 16, 0, $chunkZ * 16);
$chunk = $this->level->getChunk($chunkX, $chunkZ);
$biomeCache = [];
for ($x = 0; $x < 16; ++$x) {
for ($z = 0; $z < 16; ++$z) {
$minSum = 0;
$maxSum = 0;
$weightSum = 0;
$biome = $this->pickBiome($chunkX * 16 + $x, $chunkZ * 16 + $z);
$chunk->setBiomeId($x, $z, $biome->getId());
$color = [0, 0, 0];
for ($sx = -self::$SMOOTH_SIZE; $sx <= self::$SMOOTH_SIZE; ++$sx) {
for ($sz = -self::$SMOOTH_SIZE; $sz <= self::$SMOOTH_SIZE; ++$sz) {
$weight = self::$GAUSSIAN_KERNEL[$sx + self::$SMOOTH_SIZE][$sz + self::$SMOOTH_SIZE];
if ($sx === 0 and $sz === 0) {
$adjacent = $biome;
} else {
$index = ($chunkX * 16 + $x + $sx & 4294967295.0) << 32 | $chunkZ * 16 + $z + $sz & 4294967295.0;
if (isset($biomeCache[$index])) {
$adjacent = $biomeCache[$index];
} else {
$biomeCache[$index] = $adjacent = $this->pickBiome($chunkX * 16 + $x + $sx, $chunkZ * 16 + $z + $sz);
}
}
$minSum += ($adjacent->getMinElevation() - 1) * $weight;
$maxSum += $adjacent->getMaxElevation() * $weight;
$bColor = $adjacent->getColor();
$color[0] += ($bColor >> 16) ** 2 * $weight;
$color[1] += ($bColor >> 8 & 0xff) ** 2 * $weight;
$color[2] += ($bColor & 0xff) ** 2 * $weight;
$weightSum += $weight;
}
}
$minSum /= $weightSum;
$maxSum /= $weightSum;
$chunk->setBiomeColor($x, $z, \sqrt($color[0] / $weightSum), \sqrt($color[1] / $weightSum), \sqrt($color[2] / $weightSum));
$smoothHeight = ($maxSum - $minSum) / 2;
for ($y = 0; $y < 128; ++$y) {
if ($y === 0) {
$chunk->setBlockId($x, $y, $z, Block::BEDROCK);
continue;
}
$noiseValue = $noise[$x][$z][$y] - 1 / $smoothHeight * ($y - $smoothHeight - $minSum);
if ($noiseValue > 0) {
$chunk->setBlockId($x, $y, $z, Block::STONE);
} elseif ($y <= $this->waterHeight) {
$chunk->setBlockId($x, $y, $z, Block::STILL_WATER);
}
}
}
}
foreach ($this->generationPopulators as $populator) {
$populator->populate($this->level, $chunkX, $chunkZ, $this->random);
}
}