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package makamys.lodmod.renderer;
import java.util.List;
import makamys.lodmod.LODMod;
import net.minecraft.entity.Entity;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagEnd;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.world.chunk.Chunk;
public class LODChunk {
int x, z;
Chunk chunk;
public boolean waitingForData = false;
int lod = 0;
boolean visible;
SimpleChunkMesh simpleMesh;
ChunkMesh[] chunkMeshes = new ChunkMesh[32];
LODRenderer renderer = LODMod.renderer;
public LODChunk(int x, int z) {
this.x = x;
this.z = z;
}
@Override
public String toString() {
return "LODChunk(" + x + ", " + z + ")";
}
public double distSq(Entity entity) {
return Math.pow(entity.posX - x * 16, 2) + Math.pow(entity.posZ - z * 16, 2);
}
public void putChunkMeshes(int cy, List<ChunkMesh> newChunkMeshes) {
for(int i = 0; i < 2; i++) {
if(chunkMeshes[cy * 2 + i] != null) {
renderer.setMeshVisible(chunkMeshes[cy * 2 + i], false);
chunkMeshes[cy * 2 + i].destroy();
chunkMeshes[cy * 2 + i] = null;
}
}
for(int i = 0; i < newChunkMeshes.size(); i++) {
chunkMeshes[cy * 2 + i] = newChunkMeshes.get(i);
}
}
public boolean hasChunkMeshes() {
for(ChunkMesh cm : chunkMeshes) {
if(cm != null) {
return true;
}
}
return false;
}
public void tick(Entity player) {
double distSq = distSq(player);
if(distSq < Math.pow(32 * 16, 2)) {
renderer.setLOD(this, 2);
} else if(distSq < Math.pow(64 * 16, 2)) {
renderer.setLOD(this, 1);
} else {
renderer.setLOD(this, 0);
}
}
public NBTTagCompound saveToNBT() {
NBTTagCompound nbt = new NBTTagCompound();
nbt.setInteger("x", x);
nbt.setInteger("z", z);
NBTTagCompound chunkMeshesCompound = new NBTTagCompound();
for(int i = 0; i < chunkMeshes.length; i++) {
if(chunkMeshes[i] != null) {
chunkMeshesCompound.setTag(String.valueOf(i), chunkMeshes[i].nbtData);
}
}
nbt.setTag("chunkMeshes", chunkMeshesCompound);
return nbt;
}
}
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