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World generation with biomes!

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Shoghi Cervantes
2015-03-22 22:57:40 +01:00
parent 1666602652
commit 9da26fdb88
23 changed files with 404 additions and 104 deletions
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57
src/pocketmine/level/generator/biome/BiomeSelector.php
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@ -37,17 +37,37 @@ class BiomeSelector{
/** @var Biome[] */
private $biomes = [];
private $select = [];
private $map = [];
public function __construct(Random $random, Biome $fallback){
private $lookup;
public function __construct(Random $random, callable $lookup, Biome $fallback){
$this->fallback = $fallback;
$this->temperature = new Simplex($random, 1, 0.004, 0.5, 2);
$this->rainfall = new Simplex($random, 2, 0.004, 0.5, 2);
$this->lookup = $lookup;
$this->temperature = new Simplex($random, 1, 0.001, 1, 1);
$this->rainfall = new Simplex($random, 1, 0.001, 1, 1);
}
public function addBiome(Biome $biome, $start, $end){
public function recalculate(){
$this->map = new \SplFixedArray(64 * 64);
for($i = 0; $i < 64; ++$i){
for($j = 0; $j < 64; ++$j){
$this->map[$i + ($j << 6)] = call_user_func($this->lookup, $i / 63, $j / 63);
}
}
}
public function addBiome(Biome $biome){
$this->biomes[$biome->getId()] = $biome;
$this->select[$biome->getId()] = [$biome->getId(), $start, $end];
}
public function getTemperature($x, $z){
return ($this->temperature->noise2D($x, $z, true) + 1) / 2;
}
public function getRainfall($x, $z){
return ($this->rainfall->noise2D($x, $z, true) + 1) / 2;
}
/**
@ -57,27 +77,10 @@ class BiomeSelector{
* @return Biome
*/
public function pickBiome($x, $z){
$temperature = (int) ($this->getTemperature($x, $z) * 63);
$rainfall = (int) ($this->getRainfall($x, $z) * 63);
//$temperature = $this->temperature->noise2D($x, $z);
$rainfall = $this->rainfall->noise2D($x, $z);
if($rainfall > 0.9){
return Biome::getBiome(Biome::OCEAN);
}elseif($rainfall > 0.7){
return Biome::getBiome(Biome::RIVER);
}elseif($rainfall > 0.6){
return Biome::getBiome(Biome::BEACH);
}elseif($rainfall > 0.2){
return Biome::getBiome(Biome::FOREST);
}elseif($rainfall > -0.3){
return Biome::getBiome(Biome::PLAINS);
}elseif($rainfall > -0.6){
return Biome::getBiome(Biome::DESERT);
}elseif($rainfall > -0.7){
return Biome::getBiome(Biome::BEACH);
}else{
return Biome::getBiome(Biome::OCEAN);
}
$biomeId = $this->map[$temperature + ($rainfall << 6)];
return isset($this->biomes[$biomeId]) ? $this->biomes[$biomeId] : $this->fallback;
}
}