package micdoodle8.mods.galacticraft.api.vector;
import net.minecraft.block.Block;
import net.minecraft.crash.CrashReport;
import net.minecraft.crash.CrashReportCategory;
import net.minecraft.entity.Entity;
import net.minecraft.init.Blocks;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.MathHelper;
import net.minecraft.util.ReportedException;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;
import net.minecraft.world.chunk.Chunk;
import net.minecraftforge.common.util.ForgeDirection;
/* BlockVec3 is similar to galacticraft.api.vector.Vector3?
*
* But for speed it uses integer arithmetic not doubles, for block coordinates
* This reduces unnecessary type conversion between integers and doubles and back again.
* (Minecraft block coordinates are always integers, only entity coordinates are doubles.)
*
*/
public class BlockVec3 implements Cloneable
{
public int x;
public int y;
public int z;
public boolean[] sideDone = { false, false, false, false, false, false };
private static Chunk chunkCached;
public static int chunkCacheDim = Integer.MAX_VALUE;
private static int chunkCacheX = 1876000; // outside the world edge
private static int chunkCacheZ = 1876000; // outside the world edge
// INVALID_VECTOR is used in cases where a null vector cannot be used
public static final BlockVec3 INVALID_VECTOR = new BlockVec3(-1, -1, -1);
public BlockVec3()
{
this(0, 0, 0);
}
public BlockVec3(int x, int y, int z)
{
this.x = x;
this.y = y;
this.z = z;
}
public BlockVec3(Entity par1)
{
this.x = (int) Math.floor(par1.posX);
this.y = (int) Math.floor(par1.posY);
this.z = (int) Math.floor(par1.posZ);
}
public BlockVec3(TileEntity par1)
{
this.x = par1.xCoord;
this.y = par1.yCoord;
this.z = par1.zCoord;
}
/**
* Makes a new copy of this Vector. Prevents variable referencing problems.
*/
@Override
public final BlockVec3 clone()
{
return new BlockVec3(this.x, this.y, this.z);
}
/**
* Get block ID at the BlockVec3 coordinates, with a forced chunk load if
* the coordinates are unloaded.
*
* @param world
* @return the block ID, or null if the y-coordinate is less than 0 or
* greater than 256 or the x or z is outside the Minecraft worldmap.
*/
public Block getBlockID(World world)
{
if (this.y < 0 || this.y >= 256 || this.x < -30000000 || this.z < -30000000 || this.x >= 30000000 || this.z >= 30000000)
{
return null;
}
int chunkx = this.x >> 4;
int chunkz = this.z >> 4;
try
{
// In a typical inner loop, 80% of the time consecutive calls to
// this will be within the same chunk
if (BlockVec3.chunkCacheX == chunkx && BlockVec3.chunkCacheZ == chunkz && BlockVec3.chunkCacheDim == world.provider.dimensionId && BlockVec3.chunkCached.isChunkLoaded)
{
return BlockVec3.chunkCached.getBlock(this.x & 15, this.y, this.z & 15);
}
else
{
Chunk chunk = null;
chunk = world.getChunkFromChunkCoords(chunkx, chunkz);
BlockVec3.chunkCached = chunk;
BlockVec3.chunkCacheDim = world.provider.dimensionId;
BlockVec3.chunkCacheX = chunkx;
BlockVec3.chunkCacheZ = chunkz;
return chunk.getBlock(this.x & 15, this.y, this.z & 15);
}
}
catch (Throwable throwable)
{
CrashReport crashreport = CrashReport.makeCrashReport(throwable, "Oxygen Sealer thread: Exception getting block type in world");
CrashReportCategory crashreportcategory = crashreport.makeCategory("Requested block coordinates");
crashreportcategory.addCrashSection("Location", CrashReportCategory.getLocationInfo(this.x, this.y, this.z));
throw new ReportedException(crashreport);
}
}
/**
* Get block ID at the BlockVec3 coordinates without forcing a chunk load.
*
* @param world
* @return the block ID, or null if the y-coordinate is less than 0 or
* greater than 256 or the x or z is outside the Minecraft worldmap.
* Returns Blocks.bedrock if the coordinates being checked are in an
* unloaded chunk
*/
public Block getBlockID_noChunkLoad(World world)
{
if (this.y < 0 || this.y >= 256 || this.x < -30000000 || this.z < -30000000 || this.x >= 30000000 || this.z >= 30000000)
{
return null;
}
int chunkx = this.x >> 4;
int chunkz = this.z >> 4;
try
{
if (world.getChunkProvider().chunkExists(chunkx, chunkz))
{
// In a typical inner loop, 80% of the time consecutive calls to
// this will be within the same chunk
if (BlockVec3.chunkCacheX == chunkx && BlockVec3.chunkCacheZ == chunkz && BlockVec3.chunkCacheDim == world.provider.dimensionId && BlockVec3.chunkCached.isChunkLoaded)
{
return BlockVec3.chunkCached.getBlock(this.x & 15, this.y, this.z & 15);
}
else
{
Chunk chunk = null;
chunk = world.getChunkFromChunkCoords(chunkx, chunkz);
BlockVec3.chunkCached = chunk;
BlockVec3.chunkCacheDim = world.provider.dimensionId;
BlockVec3.chunkCacheX = chunkx;
BlockVec3.chunkCacheZ = chunkz;
return chunk.getBlock(this.x & 15, this.y, this.z & 15);
}
}
//Chunk doesn't exist - meaning, it is not loaded
return Blocks.bedrock;
}
catch (Throwable throwable)
{
CrashReport crashreport = CrashReport.makeCrashReport(throwable, "Oxygen Sealer thread: Exception getting block type in world");
CrashReportCategory crashreportcategory = crashreport.makeCategory("Requested block coordinates");
crashreportcategory.addCrashSection("Location", CrashReportCategory.getLocationInfo(this.x, this.y, this.z));
throw new ReportedException(crashreport);
}
}
public Block getBlock(IBlockAccess par1iBlockAccess)
{
return par1iBlockAccess.getBlock(this.x, this.y, this.z);
}
/**
* Get block ID at the BlockVec3 coordinates without forcing a chunk load.
* Only call this 'safe' version if x and z coordinates are within the
* Minecraft world map (-30m to +30m)
*
* @param world
* @return the block ID, or null if the y-coordinate is less than 0 or
* greater than 256. Returns Blocks.bedrock if the coordinates being
* checked are in an unloaded chunk
*/
public Block getBlockIDsafe_noChunkLoad(World world)
{
if (this.y < 0 || this.y >= 256)
{
return null;
}
int chunkx = this.x >> 4;
int chunkz = this.z >> 4;
try
{
if (world.getChunkProvider().chunkExists(chunkx, chunkz))
{
// In a typical inner loop, 80% of the time consecutive calls to
// this will be within the same chunk
if (BlockVec3.chunkCacheX == chunkx && BlockVec3.chunkCacheZ == chunkz && BlockVec3.chunkCacheDim == world.provider.dimensionId && BlockVec3.chunkCached.isChunkLoaded)
{
return BlockVec3.chunkCached.getBlock(this.x & 15, this.y, this.z & 15);
}
else
{
Chunk chunk = null;
chunk = world.getChunkFromChunkCoords(chunkx, chunkz);
BlockVec3.chunkCached = chunk;
BlockVec3.chunkCacheDim = world.provider.dimensionId;
BlockVec3.chunkCacheX = chunkx;
BlockVec3.chunkCacheZ = chunkz;
return chunk.getBlock(this.x & 15, this.y, this.z & 15);
}
}
//Chunk doesn't exist - meaning, it is not loaded
return Blocks.bedrock;
}
catch (Throwable throwable)
{
CrashReport crashreport = CrashReport.makeCrashReport(throwable, "Oxygen Sealer thread: Exception getting block type in world");
CrashReportCategory crashreportcategory = crashreport.makeCategory("Requested block coordinates");
crashreportcategory.addCrashSection("Location", CrashReportCategory.getLocationInfo(this.x, this.y, this.z));
throw new ReportedException(crashreport);
}
}
public BlockVec3 add(BlockVec3 par1)
{
this.x += par1.x;
this.y += par1.y;
this.z += par1.z;
return this;
}
public BlockVec3 translate(BlockVec3 par1)
{
this.x += par1.x;
this.y += par1.y;
this.z += par1.z;
return this;
}
public BlockVec3 translate(int par1x, int par1y, int par1z)
{
this.x += par1x;
this.y += par1y;
this.z += par1z;
return this;
}
public static BlockVec3 add(BlockVec3 par1, BlockVec3 a)
{
return new BlockVec3(par1.x + a.x, par1.y + a.y, par1.z + a.z);
}
public BlockVec3 subtract(BlockVec3 par1)
{
this.x = this.x -= par1.x;
this.y = this.y -= par1.y;
this.z = this.z -= par1.z;
return this;
}
public BlockVec3 modifyPositionFromSide(ForgeDirection side, int amount)
{
switch (side.ordinal())
{
case 0:
this.y -= amount;
break;
case 1:
this.y += amount;
break;
case 2:
this.z -= amount;
break;
case 3:
this.z += amount;
break;
case 4:
this.x -= amount;
break;
case 5:
this.x += amount;
break;
}
return this;
}
public BlockVec3 newVecSide(int side)
{
BlockVec3 vec = new BlockVec3(this.x, this.y, this.z);
vec.sideDone[side ^ 1] = true;
switch (side)
{
case 0:
vec.y--;
return vec;
case 1:
vec.y++;
return vec;
case 2:
vec.z--;
return vec;
case 3:
vec.z++;
return vec;
case 4:
vec.x--;
return vec;
case 5:
vec.x++;
return vec;
}
return vec;
}
public BlockVec3 modifyPositionFromSide(ForgeDirection side)
{
return this.modifyPositionFromSide(side, 1);
}
@Override
public int hashCode()
{
// Upgraded hashCode calculation from the one in VecDirPair to something
// a bit stronger and faster
return ((this.y * 379 + this.x) * 373 + this.z) * 7;
}
@Override
public boolean equals(Object o)
{
if (o instanceof BlockVec3)
{
BlockVec3 vector = (BlockVec3) o;
return this.x == vector.x && this.y == vector.y && this.z == vector.z;
}
return false;
}
@Override
public String toString()
{
return "BlockVec3 [" + this.x + "," + this.y + "," + this.z + "]";
}
/**
* This will load the chunk.
*/
public TileEntity getTileEntity(IBlockAccess world)
{
return world.getTileEntity(this.x, this.y, this.z);
}
/**
* No chunk load: returns null if chunk to side is unloaded
*/
public TileEntity getTileEntityOnSide(World world, ForgeDirection side)
{
int x = this.x;
int y = this.y;
int z = this.z;
switch (side.ordinal())
{
case 0:
y--;
break;
case 1:
y++;
break;
case 2:
z--;
break;
case 3:
z++;
break;
case 4:
x--;
break;
case 5:
x++;
break;
default:
return null;
}
if (world.blockExists(x, y, z))
{
return world.getTileEntity(x, y, z);
}
else
{
return null;
}
}
/**
* No chunk load: returns null if chunk to side is unloaded
*/
public TileEntity getTileEntityOnSide(World world, int side)
{
int x = this.x;
int y = this.y;
int z = this.z;
switch (side)
{
case 0:
y--;
break;
case 1:
y++;
break;
case 2:
z--;
break;
case 3:
z++;
break;
case 4:
x--;
break;
case 5:
x++;
break;
default:
return null;
}
if (world.blockExists(x, y, z))
{
return world.getTileEntity(x, y, z);
}
else
{
return null;
}
}
/**
* This will load the chunk to the side.
*/
public boolean blockOnSideHasSolidFace(World world, int side)
{
int x = this.x;
int y = this.y;
int z = this.z;
switch (side)
{
case 0:
y--;
break;
case 1:
y++;
break;
case 2:
z--;
break;
case 3:
z++;
break;
case 4:
x--;
break;
case 5:
x++;
break;
default:
return false;
}
return world.getBlock(x, y, z).isSideSolid(world, x, y, z, ForgeDirection.getOrientation(side ^ 1));
}
/**
* No chunk load: returns null if chunk is unloaded
*/
public Block getBlockOnSide(World world, int side)
{
int x = this.x;
int y = this.y;
int z = this.z;
switch (side)
{
case 0:
y--;
break;
case 1:
y++;
break;
case 2:
z--;
break;
case 3:
z++;
break;
case 4:
x--;
break;
case 5:
x++;
break;
default:
return null;
}
if (world.blockExists(x, y, z))
{
return world.getBlock(x, y, z);
}
else
{
return null;
}
}
public int getBlockMetadata(IBlockAccess world)
{
return world.getBlockMetadata(this.x, this.y, this.z);
}
public static BlockVec3 readFromNBT(NBTTagCompound nbtCompound)
{
BlockVec3 tempVector = new BlockVec3();
tempVector.x = nbtCompound.getInteger("x");
tempVector.y = nbtCompound.getInteger("y");
tempVector.z = nbtCompound.getInteger("z");
return tempVector;
}
public int distanceTo(BlockVec3 vector)
{
int var2 = vector.x - this.x;
int var4 = vector.y - this.y;
int var6 = vector.z - this.z;
return MathHelper.floor_double(Math.sqrt(var2 * var2 + var4 * var4 + var6 * var6));
}
public int distanceSquared(BlockVec3 vector)
{
int var2 = vector.x - this.x;
int var4 = vector.y - this.y;
int var6 = vector.z - this.z;
return var2 * var2 + var4 * var4 + var6 * var6;
}
public NBTTagCompound writeToNBT(NBTTagCompound par1NBTTagCompound)
{
par1NBTTagCompound.setInteger("x", this.x);
par1NBTTagCompound.setInteger("y", this.y);
par1NBTTagCompound.setInteger("z", this.z);
return par1NBTTagCompound;
}
public BlockVec3(NBTTagCompound par1NBTTagCompound)
{
this.x = par1NBTTagCompound.getInteger("x");
this.y = par1NBTTagCompound.getInteger("y");
this.z = par1NBTTagCompound.getInteger("z");
}
public double getMagnitude()
{
return Math.sqrt(this.getMagnitudeSquared());
}
public int getMagnitudeSquared()
{
return this.x * this.x + this.y * this.y + this.z * this.z;
}
public void setBlock(World worldObj, Block block)
{
worldObj.setBlock(this.x, this.y, this.z, block, 0, 3);
}
public boolean blockExists(World world)
{
return world.blockExists(this.x, this.y, this.z);
}
public void setSideDone(int side)
{
this.sideDone[side] = true;
}
}