Files
mcpe/source/world/level/levelgen/feature/SpruceFeature.cpp
2023-08-05 15:34:07 +03:00

103 lines
2.3 KiB
C++

/********************************************************************
Minecraft: Pocket Edition - Decompilation Project
Copyright (C) 2023 iProgramInCpp
The following code is licensed under the BSD 1 clause license.
SPDX-License-Identifier: BSD-1-Clause
********************************************************************/
#include "Feature.hpp"
#include "world/level/Level.hpp"
bool SpruceFeature::place(Level* level, Random* random, int x, int y, int z)
{
if (y <= C_MIN_Y)
return false;
int height = random->nextInt(4) + 6;
if (height + y >= C_MAX_Y)
return false;
int x1 = random->nextInt(2) + 1;
int x2 = random->nextInt(2) + 2;
int upperY = y + 1 + height;
bool bCanPlace = true;
for (int i = 0, cy = y; cy <= upperY && bCanPlace; i++, cy++)
{
int range = x2;
if (x1 <= i)
range = 0;
for (int cx = x - range; cx <= x + range && bCanPlace; cx++)
{
for (int cz = z - range; cz <= z + range && bCanPlace; cz++)
{
if (cy >= C_MAX_Y || cy < C_MIN_Y)
{
bCanPlace = false;
break;
}
TileID tile = level->getTile(cx, cy, cz);
if (tile != TILE_AIR && tile != Tile::leaves->m_ID)
bCanPlace = false;
}
}
}
if (!bCanPlace)
return false;
TileID tileBelow = level->getTile(x, y - 1, z);
if (tileBelow != Tile::grass->m_ID && tileBelow != Tile::dirt->m_ID)
return false;
if (y >= C_MAX_Y - 1 - height)
return false;
level->setTileNoUpdate(x, y - 1, z, Tile::dirt->m_ID);
int range = random->nextInt(2);
int b2 = 1, b3 = 0;
for (int cy = 0; cy <= height - x1; cy++)
{
int b1 = height + y - cy;
for (int cx = x - range; cx <= x + range; cx++)
{
int dx = cx - x;
for (int cz = z - range; cz <= z + range; cz++)
{
int dz = cz - z;
if ((abs(dx) != range || abs(dz) != range || range <= 0) && !Tile::solid[level->getTile(cx, b1, cz)])
level->setTileAndDataNoUpdate(cx, b1, cz, Tile::leaves->m_ID, 1);
}
}
if (range >= b2)
{
b2++;
range = b3;
if (b2 > x2)
b2 = x2;
b3 = 1;
}
else
{
range++;
}
}
int mheight = height - random->nextInt(3);
for (int yd = 0; yd < mheight; yd++)
{
int cy = yd + y;
TileID tile = level->getTile(x, cy, z);
if (tile == TILE_AIR || tile == Tile::leaves->m_ID)
level->setTileAndDataNoUpdate(x, cy, z, Tile::treeTrunk->m_ID, 1);
}
return true;
}