4jcraft/targets/minecraft/world/level/newbiome/layer/IslandLayer.cpp

26 lines
689 B
C++

#include "minecraft/world/level/newbiome/layer/IslandLayer.h"
#include <stdint.h>
#include <vector>
#include "minecraft/world/level/newbiome/layer/Layer.h"
IslandLayer::IslandLayer(int64_t seedMixup) : Layer(seedMixup) {}
std::vector<int> IslandLayer::getArea(int xo, int yo, int w, int h) {
std::vector<int> result(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;
}