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Better (more original) looking trees

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This commit is contained in:
Greyson Fischer 2013-05-21 14:03:42 -04:00
parent 8e8002c479
commit c29d3a3e56
1 changed files with 55 additions and 24 deletions
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79
src/world/generator/object/tree/SmallTreeObject.php
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@ -31,17 +31,18 @@ require_once("src/world/generator/object/tree/TreeObject.php");
class SmallTreeObject extends TreeObject{
var $type = 0;
private $totalHeight = 6;
private $leavesHeight = 3;
protected $radiusIncrease = 0;
private $trunkHeight = 5;
private static $leavesHeight = 4; // All trees appear to be 4 tall
private static $leafRadii = array( 1, 1.41, 2.83, 2.24 );
private $addLeavesVines = false;
private $addLogVines = false;
private $addCocoaPlants = false;
public function canPlaceObject(Level $level, Vector3 $pos){
$radiusToCheck = $this->radiusIncrease;
for ($yy = 0; $yy < $this->totalHeight + 2; ++$yy) {
if ($yy == 1 or $yy === $this->totalHeight - 1) {
$radiusToCheck = 0;
for ($yy = 0; $yy < $this->trunkHeight + 3; ++$yy) {
if ($yy == 1 or $yy === $this->trunkHeight) {
++$radiusToCheck;
}
for($xx = -$radiusToCheck; $xx < ($radiusToCheck + 1); ++$xx){
@ -57,24 +58,54 @@ class SmallTreeObject extends TreeObject{
}
public function placeObject(Level $level, Vector3 $pos){
$level->setBlock(new Vector3($pos->x, $pos->y - 1, $pos->z), new DirtBlock());
$this->totalHeight += mt_rand(-1, 3);
$this->leavesHeight += mt_rand(0, 1);
for($yy = ($this->totalHeight - $this->leavesHeight); $yy < ($this->totalHeight + 1); ++$yy){
$yRadius = ($yy - $this->totalHeight);
$xzRadius = (int) (($this->radiusIncrease + 1) - $yRadius / 2);
for($xx = -$xzRadius; $xx < ($xzRadius + 1); ++$xx){
for($zz = -$xzRadius; $zz < ($xzRadius + 1); ++$zz){
if((abs($xx) != $xzRadius or abs($zz) != $xzRadius) and $yRadius != 0){
$level->setBlock(new Vector3($pos->x + $xx, $pos->y + $yy, $pos->z + $zz), new LeavesBlock($this->type));
}
}
}
}
for($yy = 0; $yy < ($this->totalHeight - 1); ++$yy){
$level->setBlock(new Vector3($pos->x, $pos->y + $yy, $pos->z), new WoodBlock($this->type));
}
}
// The base dirt block
$dirtpos = new Vector3( $pos->x, $pos->y -1, $pos->z );
$level->setBlock( $dirtpos, new DirtBlock() );
// Adjust the tree trunk's height randomly
// plot [-14:11] int( x / 8 ) + 5
// - min=4 (all leaves are 4 tall, some trunk must show)
// - max=6 (top leaves are within ground-level whacking range
// on all small trees)
$heightPre = mt_rand( -14, 11 ); // (TODO: seed may apply)
$this->trunkHeight = intval( $heightPre / 8 ) + 5;
// Adjust the starting leaf density using the trunk height as a
// starting position (tall trees with skimpy leaves don't look
// too good)
$leafPre = mt_rand( $this->trunkHeight, 10 ) / 20.0; // (TODO: seed may apply)
// Now build the tree (from the top down)
$leaflevel = 0;
for( $yy = ($this->trunkHeight + 1); $yy >= 0; --$yy )
{
if( $leaflevel < self::$leavesHeight )
{
// The size is a slight variation on the trunkheight
$radius = self::$leafRadii[ $leaflevel ] + $leafPre;
$bRadius = 3;
for( $xx = -$bRadius; $xx <= $bRadius; ++ $xx )
{
for( $zz = -$bRadius; $zz <= $bRadius; ++ $zz )
{
if( sqrt(($xx * $xx) + ($zz * $zz)) <= $radius )
{
$leafpos = new Vector3( $pos->x + $xx,
$pos->y + $yy,
$pos->z + $zz );
$level->setBlock( $leafpos, new LeavesBlock( $this->type ) );
}
}
}
$leaflevel ++;
}
// Place the trunk last
if( $leaflevel > 1 )
{
$trunkpos = new Vector3( $pos->x, $pos->y + $yy, $pos->z );
$level->setBlock( $trunkpos, new WoodBlock( $this->type ) );
}
}
}
}