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minecraft-pe-0.6.1/src/world/level/levelgen/feature/PineFeature.h
2026-03-02 22:04:18 +03:00

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3.3 KiB
C++
Executable File

#ifndef NET_MINECRAFT_WORLD_LEVEL_LEVELGEN_FEATURE__PineFeature_H__
#define NET_MINECRAFT_WORLD_LEVEL_LEVELGEN_FEATURE__PineFeature_H__
//package net.minecraft.world.level->levelgen.feature;
#include "Feature.h"
#include "../../../../util/Random.h"
#include "../../Level.h"
#include "../../tile/LeafTile.h"
#include "../../tile/Tile.h"
#include "../../tile/TreeTile.h"
class PineFeature: public Feature
{
typedef Feature super;
public:
PineFeature(bool doUpdate = false)
: super(doUpdate)
{
}
bool place(Level* level, Random* random, int x, int y, int z) {
// pines can be quite tall
int treeHeight = random->nextInt(5) + 7;
int trunkHeight = treeHeight - random->nextInt(2) - 3;
int topHeight = treeHeight - trunkHeight;
int topRadius = 1 + random->nextInt(topHeight + 1);
bool free = true;
// may not be outside of y boundaries
if (y < 1 || y + treeHeight + 1 > Level::DEPTH) {
return false;
}
// make sure there is enough space
for (int yy = y; yy <= y + 1 + treeHeight && free; yy++) {
int r = 1;
if ((yy - y) < trunkHeight) {
r = 0;
} else {
r = topRadius;
}
for (int xx = x - r; xx <= x + r && free; xx++) {
for (int zz = z - r; zz <= z + r && free; zz++) {
if (yy >= 0 && yy < Level::DEPTH) {
int tt = level->getTile(xx, yy, zz);
if (tt != 0 && tt != Tile::leaves->id) free = false;
} else {
free = false;
}
}
}
}
if (!free) return false;
// must stand on ground
int belowTile = level->getTile(x, y - 1, z);
if ((belowTile != ((Tile*)Tile::grass)->id && belowTile != Tile::dirt->id) || y >= Level::DEPTH - treeHeight - 1) return false;
placeBlock(level, x, y - 1, z, Tile::dirt->id);
// place leaf top
int currentRadius = 0;
for (int yy = y + treeHeight; yy >= y + trunkHeight; yy--) {
for (int xx = x - currentRadius; xx <= x + currentRadius; xx++) {
int xo = xx - (x);
for (int zz = z - currentRadius; zz <= z + currentRadius; zz++) {
int zo = zz - (z);
if (std::abs(xo) == currentRadius && std::abs(zo) == currentRadius && currentRadius > 0) continue;
if (!Tile::solid[level->getTile(xx, yy, zz)]) placeBlock(level, xx, yy, zz, Tile::leaves->id, LeafTile::EVERGREEN_LEAF);
}
}
if (currentRadius >= 1 && yy == (y + trunkHeight + 1)) {
currentRadius -= 1;
} else if (currentRadius < topRadius) {
currentRadius += 1;
}
}
for (int hh = 0; hh < treeHeight - 1; hh++) {
int t = level->getTile(x, y + hh, z);
if (t == 0 || t == Tile::leaves->id) placeBlock(level, x, y + hh, z, Tile::treeTrunk->id, TreeTile::DARK_TRUNK);
}
return true;
}
};
#endif /*NET_MINECRAFT_WORLD_LEVEL_LEVELGEN_FEATURE__PineFeature_H__*/