Files
minecraft-pe-0.6.1/src/world/level/levelgen/RandomLevelSource.cpp
2026-03-02 22:04:18 +03:00

724 lines
25 KiB
C++
Executable File

#include "RandomLevelSource.h"
#include "feature/FeatureInclude.h"
#include "../Level.h"
#include "../ChunkPos.h"
#include "../MobSpawner.h"
#include "../biome/Biome.h"
#include "../biome/BiomeSource.h"
#include "../chunk/LevelChunk.h"
#include "../material/Material.h"
#include "../tile/Tile.h"
#include "../tile/HeavyTile.h"
#include "../../../util/Random.h"
const float RandomLevelSource::SNOW_CUTOFF = 0.5f;
const float RandomLevelSource::SNOW_SCALE = 0.3f;
static const int MAX_BUFFER_SIZE = 1024;
RandomLevelSource::RandomLevelSource(Level* level, long seed, int version, bool spawnMobs)
: random(seed),
level(level),
lperlinNoise1(&random, 16),
lperlinNoise2(&random, 16),
perlinNoise1(&random, 8),
perlinNoise2(&random, 4),
perlinNoise3(&random, 4),
scaleNoise(&random, 10),
depthNoise(&random, 16),
forestNoise(&random, 8),
spawnMobs(spawnMobs),
pnr(NULL), ar(NULL), br(NULL), sr(NULL), dr(NULL), fi(NULL), fis(NULL)
//biomes(NULL)
{
for (int i=0; i<32; ++i)
for (int j=0; j<32; ++j)
waterDepths[i][j] = 0;
buffer = new float[MAX_BUFFER_SIZE];
Random randomCopy = random;
printf("random.get : %d\n", randomCopy.nextInt());
}
RandomLevelSource::~RandomLevelSource() {
// chunks are deleted in the chunk cache instead
//ChunkMap::iterator it = chunkMap.begin();
//while (it != chunkMap.end()) {
// it->second->deleteBlockData(); //@attn: we delete the block data here, for now
// delete it->second;
// ++it;
//}
delete[] buffer;
delete[] pnr;
delete[] ar;
delete[] br;
delete[] sr;
delete[] dr;
delete[] fi;
delete[] fis;
}
/*public*/
void RandomLevelSource::prepareHeights(int xOffs, int zOffs, unsigned char* blocks, /*Biome*/void* biomes, float* temperatures) {
int xChunks = 16 / CHUNK_WIDTH;
int waterHeight = Level::DEPTH - 64;
int xSize = xChunks + 1;
int ySize = 128 / CHUNK_HEIGHT + 1;
int zSize = xChunks + 1;
buffer = getHeights(buffer, xOffs * xChunks, 0, zOffs * xChunks, xSize, ySize, zSize);
for (int xc = 0; xc < xChunks; xc++) {
for (int zc = 0; zc < xChunks; zc++) {
for (int yc = 0; yc < 128 / CHUNK_HEIGHT; yc++) {
float yStep = 1 / (float) CHUNK_HEIGHT;
float s0 = buffer[((xc + 0) * zSize + (zc + 0)) * ySize + (yc + 0)];
float s1 = buffer[((xc + 0) * zSize + (zc + 1)) * ySize + (yc + 0)];
float s2 = buffer[((xc + 1) * zSize + (zc + 0)) * ySize + (yc + 0)];
float s3 = buffer[((xc + 1) * zSize + (zc + 1)) * ySize + (yc + 0)];
float s0a = (buffer[((xc + 0) * zSize + (zc + 0)) * ySize + (yc + 1)] - s0) * yStep;
float s1a = (buffer[((xc + 0) * zSize + (zc + 1)) * ySize + (yc + 1)] - s1) * yStep;
float s2a = (buffer[((xc + 1) * zSize + (zc + 0)) * ySize + (yc + 1)] - s2) * yStep;
float s3a = (buffer[((xc + 1) * zSize + (zc + 1)) * ySize + (yc + 1)] - s3) * yStep;
for (int y = 0; y < CHUNK_HEIGHT; y++) {
float xStep = 1 / (float) CHUNK_WIDTH;
float _s0 = s0;
float _s1 = s1;
float _s0a = (s2 - s0) * xStep;
float _s1a = (s3 - s1) * xStep;
for (int x = 0; x < CHUNK_WIDTH; x++) {
int offs = (x + xc * CHUNK_WIDTH) << 11 | (0 + zc * CHUNK_WIDTH) << 7 | (yc * CHUNK_HEIGHT + y);
int step = 1 << 7;
float zStep = 1 / (float) CHUNK_WIDTH;
float val = _s0;
float vala = (_s1 - _s0) * zStep;
for (int z = 0; z < CHUNK_WIDTH; z++) {
// + (zc * CHUNK_WIDTH + z)];
float temp = temperatures[(xc * CHUNK_WIDTH + x) * 16 + (zc * CHUNK_WIDTH + z)];
int tileId = 0;
if (yc * CHUNK_HEIGHT + y < waterHeight) {
if (temp < SNOW_CUTOFF && yc * CHUNK_HEIGHT + y >= waterHeight - 1) {
tileId = Tile::ice->id;
} else {
tileId = Tile::calmWater->id;
}
}
if (val > 0) {
tileId = Tile::rock->id;
} else {
}
blocks[offs] = (unsigned char) tileId;
offs += step;
val += vala;
}
_s0 += _s0a;
_s1 += _s1a;
}
s0 += s0a;
s1 += s1a;
s2 += s2a;
s3 += s3a;
}
}
}
}
}
void RandomLevelSource::buildSurfaces(int xOffs, int zOffs, unsigned char* blocks, Biome** biomes) {
int waterHeight = Level::DEPTH - 64;
float s = 1 / 32.0f;
perlinNoise2.getRegion(sandBuffer, (float)(xOffs * 16), (float)(zOffs * 16), 0, 16, 16, 1, s, s, 1);
perlinNoise2.getRegion(gravelBuffer, (float)(xOffs * 16), 109.01340f, (float)(zOffs * 16), 16, 1, 16, s, 1, s);
perlinNoise3.getRegion(depthBuffer, (float)(xOffs * 16), (float)(zOffs * 16), 0, 16, 16, 1, s * 2, s * 2, s * 2);
for (int x = 0; x < 16; x++) {
for (int z = 0; z < 16; z++) {
float temp = 1; // @todo: read temp from BiomeSource
Biome* b = biomes[x + z * 16];
bool sand = (sandBuffer[x + z * 16] + random.nextFloat() * 0.2f) > 0;
bool gravel = (gravelBuffer[x + z * 16] + random.nextFloat() * 0.2f) > 3;
int runDepth = (int) (depthBuffer[x + z * 16] / 3 + 3 + random.nextFloat() * 0.25f);
int run = -1;
char top = b->topMaterial;
char material = b->material;
for (int y = 127; y >= 0; y--) {
int offs = (z * 16 + x) * 128 + y;
if (y <= 0 + random.nextInt(5)) {
blocks[offs] = (char) Tile::unbreakable->id;
} else {
int old = blocks[offs];
if (old == 0) {
run = -1;
} else if (old == Tile::rock->id) {
if (run == -1) {
if (runDepth <= 0) {
top = 0;
material = (char) Tile::rock->id;
} else if (y >= waterHeight - 4 && y <= waterHeight + 1) {
top = b->topMaterial;
material = b->material;
//@attn: ?
if (gravel) {
top = 0;
material = (char) Tile::gravel->id;
}
if (sand) {
top = (char) Tile::sand->id;
material = (char) Tile::sand->id;
}
}
if (y < waterHeight && top == 0) {
if (temp < 0.15f)
top = (char) Tile::ice->id;
else
top = (char) Tile::calmWater->id;
}
run = runDepth;
if (y >= waterHeight - 1) blocks[offs] = top;
else blocks[offs] = material;
} else if (run > 0) {
run--;
blocks[offs] = material;
// place a few sandstone blocks beneath sand
// runs
if (run == 0 && material == Tile::sand->id) {
run = random.nextInt(4);
material = (char) Tile::sandStone->id;
}
}
}
}
}
}
}
}
/*public*/
void RandomLevelSource::postProcess(ChunkSource* parent, int xt, int zt) {
level->isGeneratingTerrain = true;
HeavyTile::instaFall = true;
int xo = xt * 16;
int zo = zt * 16;
Biome* biome = level->getBiomeSource()->getBiome(xo + 16, zo + 16);
// Biome* biome = Biome::forest;
random.setSeed(level->getSeed());
int xScale = random.nextInt() / 2 * 2 + 1;
int zScale = random.nextInt() / 2 * 2 + 1;
random.setSeed(((xt * xScale) + (zt * zScale)) ^ level->getSeed());
// //@todo: hide those chunks if they are aren't visible
// if (random.nextInt(4) == 0) {
// int x = xo + random.nextInt(16) + 8;
// int y = random.nextInt(128);
// int z = zo + random.nextInt(16) + 8;
// LakeFeature feature(Tile::calmWater->id);
// feature.place(level, &random, x, y, z);
// LOGI("Adding underground lake @ (%d,%d,%d)\n", x, y, z);
// }
////@todo: hide those chunks if they are aren't visible
// if (random.nextInt(8) == 0) {
// int x = xo + random.nextInt(16) + 8;
// int y = random.nextInt(random.nextInt(120) + 8);
// int z = zo + random.nextInt(16) + 8;
// if (y < 64 || random.nextInt(10) == 0) {
// LakeFeature feature(Tile::calmLava->id);
// feature.place(level, &random, x, y, z);
// }
// }
static float totalTime = 0;
const float st = getTimeS();
//for (int i = 0; i < 8; i++) {
// int x = xo + random.nextInt(16) + 8;
// int y = random.nextInt(128);
// int z = zo + random.nextInt(16) + 8;
// MonsterRoomFeature().place(level, random, x, y, z);
//}
for (int i = 0; i < 10; i++) {
int x = xo + random.nextInt(16);
int y = random.nextInt(128);
int z = zo + random.nextInt(16);
ClayFeature feature(32);
feature.place(level, &random, x, y, z);
}
for (int i = 0; i < 20; i++) {
int x = xo + random.nextInt(16);
int y = random.nextInt(128);
int z = zo + random.nextInt(16);
OreFeature feature(Tile::dirt->id, 32);
feature.place(level, &random, x, y, z);
}
for (int i = 0; i < 10; i++) {
int x = xo + random.nextInt(16);
int y = random.nextInt(128);
int z = zo + random.nextInt(16);
OreFeature feature(Tile::gravel->id, 32);
feature.place(level, &random, x, y, z);
}
for (int i = 0; i < 20; i++) {
int x = xo + random.nextInt(16);
int y = random.nextInt(128);
int z = zo + random.nextInt(16);
OreFeature feature(Tile::coalOre->id, 16);
feature.place(level, &random, x, y, z);
}
for (int i = 0; i < 20; i++) {
int x = xo + random.nextInt(16);
int y = random.nextInt(64);
int z = zo + random.nextInt(16);
OreFeature feature(Tile::ironOre->id, 8);
feature.place(level, &random, x, y, z);
}
for (int i = 0; i < 2; i++) {
int x = xo + random.nextInt(16);
int y = random.nextInt(32);
int z = zo + random.nextInt(16);
OreFeature feature(Tile::goldOre->id, 8);
feature.place(level, &random, x, y, z);
}
for (int i = 0; i < 8; i++) {
int x = xo + random.nextInt(16);
int y = random.nextInt(16);
int z = zo + random.nextInt(16);
OreFeature feature(Tile::redStoneOre->id, 7);
feature.place(level, &random, x, y, z);
}
for (int i = 0; i < 1; i++) {
int x = xo + random.nextInt(16);
int y = random.nextInt(16);
int z = zo + random.nextInt(16);
OreFeature feature(Tile::emeraldOre->id, 7);
feature.place(level, &random, x, y, z);
}
// lapis ore
for (int i = 0; i < 1; i++) {
int x = xo + random.nextInt(16);
int y = random.nextInt(16) + random.nextInt(16);
int z = zo + random.nextInt(16);
OreFeature feature(Tile::lapisOre->id, 6);
feature.place(level, &random, x, y, z);
}
const float ss = 0.5f;
int oFor = (int) ((forestNoise.getValue(xo * ss, zo * ss) / 8 + random.nextFloat() * 4 + 4) / 3);
int forests = 0;//1; (java: 0)
if (random.nextInt(10) == 0) forests += 1;
if (biome == Biome::forest) forests += oFor + 2; // + 5
if (biome == Biome::rainForest) forests += oFor + 2; //+ 5
if (biome == Biome::seasonalForest) forests += oFor + 1; // 2
if (biome == Biome::taiga) {
forests += oFor + 1; // + 5
//LOGI("Biome is taiga!\n");
}
if (biome == Biome::desert) forests -= 20;
if (biome == Biome::tundra) forests -= 20;
if (biome == Biome::plains) forests -= 20;
for (int i = 0; i < forests; i++) {
int x = xo + random.nextInt(16) + 8;
int z = zo + random.nextInt(16) + 8;
int y = level->getHeightmap(x, z);
Feature* tree = biome->getTreeFeature(&random);
if (tree) {
tree->init(1, 1, 1);
tree->place(level, &random, x, y, z);
delete tree;
}
//printf("placing tree at %d, %d, %d\n", x, y, z);
}
for (int i = 0; i < 2; i++) {
int x = xo + random.nextInt(16) + 8;
int y = random.nextInt(128);
int z = zo + random.nextInt(16) + 8;
FlowerFeature feature(Tile::flower->id);
feature.place(level, &random, x, y, z);
}
if (random.nextInt(2) == 0) {
int x = xo + random.nextInt(16) + 8;
int y = random.nextInt(128);
int z = zo + random.nextInt(16) + 8;
FlowerFeature feature(Tile::rose->id);
feature.place(level, &random, x, y, z);
}
if (random.nextInt(4) == 0) {
int x = xo + random.nextInt(16) + 8;
int y = random.nextInt(128);
int z = zo + random.nextInt(16) + 8;
FlowerFeature feature(Tile::mushroom1->id);
feature.place(level, &random, x, y, z);
}
if (random.nextInt(8) == 0) {
int x = xo + random.nextInt(16) + 8;
int y = random.nextInt(128);
int z = zo + random.nextInt(16) + 8;
FlowerFeature feature(Tile::mushroom2->id);
feature.place(level, &random, x, y, z);
}
/*int grassCount = 1;
for (int i = 0; i < grassCount; i++) {
int x = xo + random.nextInt(16) + 8;
int y = random.nextInt(Level::genDepth);
int z = zo + random.nextInt(16) + 8;
Feature* grassFeature = biome->getGrassFeature(&random);
if (grassFeature) {
grassFeature->place(level, &random, x, y, z);
delete grassFeature;
}
}*/
for (int i = 0; i < 10; i++) {
int x = xo + random.nextInt(16) + 8;
int y = random.nextInt(128);
int z = zo + random.nextInt(16) + 8;
ReedsFeature feature;
feature.place(level, &random, x, y, z);
}
//if (random.nextInt(32) == 0) {
// int x = xo + random.nextInt(16) + 8;
// int y = random.nextInt(128);
// int z = zo + random.nextInt(16) + 8;
// PumpkinFeature().place(level, random, x, y, z);
//}
int cacti = 0;
if (biome == Biome::desert) cacti += 5;
for (int i = 0; i < cacti; i++) {
int x = xo + random.nextInt(16) + 8;
int y = random.nextInt(128);
int z = zo + random.nextInt(16) + 8;
CactusFeature feature;
//LOGI("Tried creating a cactus at %d, %d, %d\n", x, y, z);
feature.place(level, &random, x, y, z);
}
for (int i = 0; i < 50; i++) {
int x = xo + random.nextInt(16) + 8;
int y = random.nextInt(random.nextInt(120) + 8);
int z = zo + random.nextInt(16) + 8;
SpringFeature feature(Tile::water->id);
feature.place(level, &random, x, y, z);
}
for (int i = 0; i < 20; i++) {
int x = xo + random.nextInt(16) + 8;
int y = random.nextInt(random.nextInt(random.nextInt(112) + 8) + 8);
int z = zo + random.nextInt(16) + 8;
SpringFeature feature(Tile::lava->id);
feature.place(level, &random, x, y, z);
}
if (spawnMobs && !level->isClientSide)
MobSpawner::postProcessSpawnMobs(level, biome, xo + 8, zo + 8, 16, 16, &random);
//LOGI("Reading temp: 1\n");
float* temperatures = level->getBiomeSource()->getTemperatureBlock(/*NULL,*/ xo + 8, zo + 8, 16, 16);
for (int x = xo + 8; x < xo + 8 + 16; x++)
for (int z = zo + 8; z < zo + 8 + 16; z++) {
int xp = x - (xo + 8);
int zp = z - (zo + 8);
int y = level->getTopSolidBlock(x, z);
float temp = temperatures[xp * 16 + zp] - (y - 64) / 64.0f * SNOW_SCALE;
if (temp < SNOW_CUTOFF) {
if (y > 0 && y < 128 && level->isEmptyTile(x, y, z) && level->getMaterial(x, y - 1, z)->blocksMotion()) {
if (level->getMaterial(x, y - 1, z) != Material::ice) level->setTile(x, y, z, Tile::topSnow->id);
}
}
}
//LOGI("Reading temp: 0 END\n");
const float et = getTimeS();
totalTime += (et-st);
//printf("Time to place features: %f. Total %f\n", et - st, totalTime);
HeavyTile::instaFall = false;
level->isGeneratingTerrain = false;
}
LevelChunk* RandomLevelSource::create(int x, int z) {
return getChunk(x, z);
}
LevelChunk* RandomLevelSource::getChunk(int xOffs, int zOffs) {
//static int chunkx = 0;
int hashedPos = ChunkPos::hashCode(xOffs, zOffs);
ChunkMap::iterator it = chunkMap.find(hashedPos);
if (it != chunkMap.end())
return it->second;
random.setSeed((long)(xOffs * 341872712l + zOffs * 132899541l)); //@fix
unsigned char* blocks = new unsigned char[LevelChunk::ChunkBlockCount];
LevelChunk* levelChunk = new LevelChunk(level, blocks, xOffs, zOffs);
chunkMap.insert(std::make_pair(hashedPos, levelChunk));
Biome** biomes = level->getBiomeSource()->getBiomeBlock(/*biomes, */xOffs * 16, zOffs * 16, 16, 16);
float* temperatures = level->getBiomeSource()->temperatures;
prepareHeights(xOffs, zOffs, blocks, 0, temperatures);//biomes, temperatures);
buildSurfaces(xOffs, zOffs, blocks, biomes);
//caveFeature.apply(this, level, xOffs, zOffs, blocks, LevelChunk::ChunkBlockCount);
levelChunk->recalcHeightmap();
return levelChunk;
}
/*private*/
float* RandomLevelSource::getHeights(float* buffer, int x, int y, int z, int xSize, int ySize, int zSize) {
const int size = xSize * ySize * zSize;
if (size > MAX_BUFFER_SIZE) {
LOGI("RandomLevelSource::getHeights: TOO LARGE BUFFER REQUESTED: %d (max %d)\n", size, MAX_BUFFER_SIZE);
}
float s = 1 * 684.412f;
float hs = 1 * 684.412f;
float* temperatures = level->getBiomeSource()->temperatures;
float* downfalls = level->getBiomeSource()->downfalls;
sr = scaleNoise.getRegion(sr, x, z, xSize, zSize, 1.121f, 1.121f, 0.5f);
dr = depthNoise.getRegion(dr, x, z, xSize, zSize, 200.0f, 200.0f, 0.5f);
pnr = perlinNoise1.getRegion(pnr, (float)x, (float)y, (float)z, xSize, ySize, zSize, s / 80.0f, hs / 160.0f, s / 80.0f);
ar = lperlinNoise1.getRegion(ar, (float)x, (float)y, (float)z, xSize, ySize, zSize, s, hs, s);
br = lperlinNoise2.getRegion(br, (float)x, (float)y, (float)z, xSize, ySize, zSize, s, hs, s);
int p = 0;
int pp = 0;
int wScale = 16 / xSize;
for (int xx = 0; xx < xSize; xx++) {
int xp = xx * wScale + wScale / 2;
for (int zz = 0; zz < zSize; zz++) {
int zp = zz * wScale + wScale / 2;
float temperature = temperatures[xp * 16 + zp];
float downfall = downfalls[xp * 16 + zp] * temperature;
float dd = 1 - downfall;
dd = dd * dd;
dd = dd * dd;
dd = 1 - dd;
float scale = ((sr[pp] + 256.0f) / 512);
scale *= dd;
if (scale > 1) scale = 1;
float depth = (dr[pp] / 8000.0f);
if (depth < 0) depth = -depth * 0.3f;
depth = depth * 3.0f - 2.0f;
if (depth < 0) {
depth = depth / 2;
if (depth < -1) depth = -1;
depth = depth / 1.4f;
depth /= 2;
scale = 0;
} else {
if (depth > 1) depth = 1;
depth = depth / 8;
}
if (scale < 0) scale = 0;
scale = (scale) + 0.5f;
depth = depth * ySize / 16;
float yCenter = ySize / 2.0f + depth * 4;
pp++;
for (int yy = 0; yy < ySize; yy++) {
float val = 0;
float yOffs = (yy - (yCenter)) * 12 / scale;
if (yOffs < 0) yOffs *= 4;
float bb = ar[p] / 512;
float cc = br[p] / 512;
float v = (pnr[p] / 10 + 1) / 2;
if (v < 0) val = bb;
else if (v > 1) val = cc;
else val = bb + (cc - bb) * v;
val -= yOffs;
if (yy > ySize - 4) {
float slide = (yy - (ySize - 4)) / (4 - 1.0f);
val = val * (1 - slide) + -10 * slide;
}
buffer[p] = val;
p++;
}
}
}
return buffer;
}
/*private*/
void RandomLevelSource::calcWaterDepths(ChunkSource* parent, int xt, int zt) {
int xo = xt * 16;
int zo = zt * 16;
for (int x = 0; x < 16; x++) {
int y = level->getSeaLevel();
for (int z = 0; z < 16; z++) {
int xp = xo + x + 7;
int zp = zo + z + 7;
int h = level->getHeightmap(xp, zp);
if (h <= 0) {
if (level->getHeightmap(xp - 1, zp) > 0 || level->getHeightmap(xp + 1, zp) > 0 || level->getHeightmap(xp, zp - 1) > 0 || level->getHeightmap(xp, zp + 1) > 0) {
bool hadWater = false;
if (hadWater || (level->getTile(xp - 1, y, zp) == Tile::calmWater->id && level->getData(xp - 1, y, zp) < 7)) hadWater = true;
if (hadWater || (level->getTile(xp + 1, y, zp) == Tile::calmWater->id && level->getData(xp + 1, y, zp) < 7)) hadWater = true;
if (hadWater || (level->getTile(xp, y, zp - 1) == Tile::calmWater->id && level->getData(xp, y, zp - 1) < 7)) hadWater = true;
if (hadWater || (level->getTile(xp, y, zp + 1) == Tile::calmWater->id && level->getData(xp, y, zp + 1) < 7)) hadWater = true;
if (hadWater) {
for (int x2 = -5; x2 <= 5; x2++) {
for (int z2 = -5; z2 <= 5; z2++) {
int d = (x2 > 0 ? x2 : -x2) + (z2 > 0 ? z2 : -z2);
if (d <= 5) {
d = 6 - d;
if (level->getTile(xp + x2, y, zp + z2) == Tile::calmWater->id) {
int od = level->getData(xp + x2, y, zp + z2);
if (od < 7 && od < d) {
level->setData(xp + x2, y, zp + z2, d);
}
}
}
}
}
if (hadWater) {
level->setTileAndDataNoUpdate(xp, y, zp, Tile::calmWater->id, 7);
for (int y2 = 0; y2 < y; y2++) {
level->setTileAndDataNoUpdate(xp, y2, zp, Tile::calmWater->id, 8);
}
}
}
}
}
}
}
}
bool RandomLevelSource::hasChunk(int x, int y) {
//return x >= 0 && x < 16 && y >= 0 && y < 16;
return true;
}
bool RandomLevelSource::tick() {
return false;
}
bool RandomLevelSource::shouldSave() {
return true;
}
std::string RandomLevelSource::gatherStats() {
return "RandomLevelSource";
}
//bool RandomLevelSource::save(bool force, ProgressListener progressListener) {
// return true;
//}
Biome::MobList RandomLevelSource::getMobsAt(const MobCategory& mobCategory, int x, int y, int z) {
BiomeSource* biomeSource = level->getBiomeSource();
if (biomeSource == NULL) {
return Biome::MobList();
}
// static Stopwatch sw; sw.start();
Biome* biome = biomeSource->getBiome(x, z);
// sw.stop();
// sw.printEvery(10, "getBiome::");
if (biome == NULL) {
return Biome::MobList();
}
return biome->getMobs(mobCategory);
}
LevelChunk* PerformanceTestChunkSource::create(int x, int z)
{
unsigned char* blocks = new unsigned char[LevelChunk::ChunkBlockCount];
memset(blocks, 0, LevelChunk::ChunkBlockCount);
for (int y = 0; y < 65; y++)
{
if (y < 60)
{
for (int x = (y + 1) & 1; x < 16; x += 2)
{
for (int z = y & 1; z < 16; z += 2)
{
blocks[x << 11 | z << 7 | y] = 3;
}
}
}
else
{
for (int x = 0; x < 16; x += 2)
{
for (int z = 0; z < 16; z += 2)
{
blocks[x << 11 | z << 7 | y] = 3;
}
}
}
}
LevelChunk* levelChunk = new LevelChunk(level, blocks, x, z);
//caveFeature.apply(this, level, xOffs, zOffs, blocks, LevelChunk::ChunkBlockCount);
levelChunk->recalcHeightmap();
return levelChunk;
}