4jcraft/Minecraft.World/WorldGen/Layers/IslandLayer.cpp
2026-03-25 02:47:51 -05:00

20 lines
643 B
C++

#include "../../Platform/stdafx.h"
#include "../../Headers/net.minecraft.world.level.newbiome.layer.h"
IslandLayer::IslandLayer(int64_t seedMixup) : Layer(seedMixup) {}
intArray IslandLayer::getArea(int xo, int yo, int w, int h) {
intArray result{static_cast<unsigned int>(w * h)};
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++) {
initRandom(xo + x, yo + y);
result[x + y * w] = (nextRandom(10) == 0) ? 1 : 0;
}
}
// if (0, 0) is located here, place an island
if (xo > -w && xo <= 0 && yo > -h && yo <= 0) {
result[-xo + -yo * w] = 1;
}
return result;
}