ForgePatch/common/net/minecraftforge/fluids/BlockFluidBase.java
King Lemming 6cd56ebed6 Forge Fluid System!
Signed-off-by: King Lemming <kinglemming@gmail.com>
2013-05-27 00:56:58 -04:00

416 lines
12 KiB
Java

package net.minecraftforge.fluids;
import java.util.HashMap;
import java.util.Map;
import java.util.Random;
import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.entity.Entity;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.Vec3;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;
/**
* This is a base implementation for Fluid blocks.
*
* It is highly recommended that you extend this class or one of the Forge-provided child classes.
*
* @author King Lemming, OvermindDL1
*
*/
public abstract class BlockFluidBase extends Block implements IFluidBlock {
protected final static Map<Integer, Boolean> defaultDisplacementIds = new HashMap<Integer, Boolean>();
static {
defaultDisplacementIds.put(Block.doorWood.blockID, false);
defaultDisplacementIds.put(Block.doorIron.blockID, false);
defaultDisplacementIds.put(Block.signPost.blockID, false);
defaultDisplacementIds.put(Block.signWall.blockID, false);
defaultDisplacementIds.put(Block.reed.blockID, false);
}
protected Map<Integer, Boolean> displacementIds = new HashMap<Integer, Boolean>();
protected int quantaPerBlock = 8;
protected float quantaPerBlockFloat = 8F;
protected int density = 1;
protected int densityDir = -1;
protected int tickRate = 20;
protected int renderPass = 1;
protected int maxScaledLight = 0;
protected final String fluidName;
public BlockFluidBase(int id, Fluid fluid, Material material) {
super(id, material);
this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
this.setTickRandomly(true);
this.disableStats();
this.fluidName = fluid.getName();
this.density = fluid.density;
this.maxScaledLight = fluid.luminosity;
this.tickRate = fluid.viscosity / 200;
fluid.setBlockID(id);
displacementIds.putAll(defaultDisplacementIds);
}
public BlockFluidBase setQuantaPerBlock(int quantaPerBlock) {
if (quantaPerBlock > 16 || quantaPerBlock < 1) {
quantaPerBlock = 8;
}
this.quantaPerBlock = quantaPerBlock;
this.quantaPerBlockFloat = quantaPerBlock;
return this;
}
public BlockFluidBase setDensity(int density) {
if (density == 0) {
density = 1;
}
this.density = density;
this.densityDir = density > 0 ? -1 : 1;
return this;
}
public BlockFluidBase setTickRate(int tickRate) {
if (tickRate <= 0) {
tickRate = 20;
}
this.tickRate = tickRate;
return this;
}
public BlockFluidBase setRenderPass(int renderPass) {
this.renderPass = renderPass;
return this;
}
public BlockFluidBase setMaxScaledLight(int maxScaledLight) {
this.maxScaledLight = maxScaledLight;
return this;
}
/**
* Returns true if the block at (x, y, z) is displaceable. Does not displace the block.
*/
public boolean canDisplace(IBlockAccess world, int x, int y, int z) {
int bId = world.getBlockId(x, y, z);
if (bId == 0) {
return true;
}
if (bId == blockID) {
return false;
}
if (displacementIds.containsKey(bId)) {
return displacementIds.get(bId);
}
Material material = Block.blocksList[bId].blockMaterial;
if (material.blocksMovement() || material == Material.portal) {
return false;
}
return true;
}
/**
* Attempt to displace the block at (x, y, z), return true if it was displaced.
*/
public boolean displaceIfPossible(World world, int x, int y, int z) {
int bId = world.getBlockId(x, y, z);
if (bId == 0) {
return true;
}
if (bId == blockID) {
return false;
}
if (displacementIds.containsKey(bId)) {
if (displacementIds.get(bId)) {
Block.blocksList[bId].dropBlockAsItem(world, x, y, z, world.getBlockMetadata(x, y, z), 0);
return true;
}
return false;
}
Material material = Block.blocksList[bId].blockMaterial;
if (material.blocksMovement() || material == Material.portal) {
return false;
}
Block.blocksList[bId].dropBlockAsItem(world, x, y, z, world.getBlockMetadata(x, y, z), 0);
return true;
}
public abstract int getQuantaValue(IBlockAccess world, int x, int y, int z);
@Override
public abstract boolean canCollideCheck(int meta, boolean fullHit);
public abstract int getMaxRenderHeightMeta();
/* BLOCK FUNCTIONS */
@Override
public void onBlockAdded(World world, int x, int y, int z) {
world.scheduleBlockUpdate(x, y, z, blockID, tickRate);
}
@Override
public void onNeighborBlockChange(World world, int x, int y, int z, int blockId) {
world.scheduleBlockUpdate(x, y, z, blockID, tickRate);
}
// Used to prevent updates on chunk generation
@Override
public boolean func_82506_l() {
return false;
}
@Override
public boolean getBlocksMovement(IBlockAccess world, int x, int y, int z) {
return true;
}
@Override
public AxisAlignedBB getCollisionBoundingBoxFromPool(World world, int x, int y, int z) {
return null;
}
@Override
public int idDropped(int par1, Random par2Random, int par3) {
return 0;
}
@Override
public int quantityDropped(Random par1Random) {
return 0;
}
@Override
public int tickRate(World world) {
return tickRate;
}
@Override
public void velocityToAddToEntity(World world, int x, int y, int z, Entity entity, Vec3 vec) {
if (densityDir > 0) {
return;
}
Vec3 vec_flow = this.getFlowVector(world, x, y, z);
vec.xCoord += vec_flow.xCoord * (quantaPerBlock * 4);
vec.yCoord += vec_flow.yCoord * (quantaPerBlock * 4);
vec.zCoord += vec_flow.zCoord * (quantaPerBlock * 4);
}
@Override
public int getLightValue(IBlockAccess world, int x, int y, int z) {
if (maxScaledLight == 0) {
return super.getLightValue(world, x, y, z);
}
int data = world.getBlockMetadata(x, y, z);
return (int) (data / quantaPerBlockFloat * maxScaledLight);
}
@Override
public int getRenderType() {
return FluidRegistry.renderIdFluid;
}
@Override
public boolean isOpaqueCube() {
return false;
}
@Override
public boolean renderAsNormalBlock() {
return false;
}
@Override
public float getBlockBrightness(IBlockAccess world, int x, int y, int z) {
float lightThis = world.getLightBrightness(x, y, z);
float lightUp = world.getLightBrightness(x, y + 1, z);
return lightThis > lightUp ? lightThis : lightUp;
}
@Override
public int getMixedBrightnessForBlock(IBlockAccess world, int x, int y, int z) {
int lightThis = world.getLightBrightnessForSkyBlocks(x, y, z, 0);
int lightUp = world.getLightBrightnessForSkyBlocks(x, y + 1, z, 0);
int lightThisBase = lightThis & 255;
int lightUpBase = lightUp & 255;
int lightThisExt = lightThis >> 16 & 255;
int lightUpExt = lightUp >> 16 & 255;
return (lightThisBase > lightUpBase ? lightThisBase : lightUpBase) | (lightThisExt > lightUpExt ? lightThisExt : lightUpExt) << 16;
}
@Override
public int getRenderBlockPass() {
return renderPass;
}
@Override
public boolean shouldSideBeRendered(IBlockAccess world, int x, int y, int z, int side) {
if (world.getBlockId(x, y, z) != blockID) {
return !world.isBlockOpaqueCube(x, y, z);
}
Material mat = world.getBlockMaterial(x, y, z);
return mat == this.blockMaterial ? false : super.shouldSideBeRendered(world, x, y, z, side);
}
/* FLUID FUNCTIONS */
public static final int getDensity(IBlockAccess world, int x, int y, int z) {
Block block = Block.blocksList[world.getBlockId(x, y, z)];
if (!(block instanceof BlockFluidBase)) {
return Integer.MAX_VALUE;
}
return ((BlockFluidBase) block).density;
}
public static double getFlowDirection(IBlockAccess world, int x, int y, int z) {
Block block = Block.blocksList[world.getBlockId(x, y, z)];
if (!(Block.blocksList[world.getBlockId(x, y, z)] instanceof BlockFluidBase)) {
return -1000.0;
}
Vec3 vec = ((BlockFluidBase) block).getFlowVector(world, x, y, z);
return vec.xCoord == 0.0D && vec.zCoord == 0.0D ? -1000.0D : Math.atan2(vec.zCoord, vec.xCoord) - Math.PI / 2D;
}
public final int getQuantaValueBelow(IBlockAccess world, int x, int y, int z, int belowThis) {
int quantaRemaining = getQuantaValue(world, x, y, z);
if (quantaRemaining >= belowThis) {
return -1;
}
return quantaRemaining;
}
public final int getQuantaValueAbove(IBlockAccess world, int x, int y, int z, int aboveThis) {
int quantaRemaining = getQuantaValue(world, x, y, z);
if (quantaRemaining <= aboveThis) {
return -1;
}
return quantaRemaining;
}
public final float getQuantaPercentage(IBlockAccess world, int x, int y, int z) {
int quantaRemaining = getQuantaValue(world, x, y, z);
return quantaRemaining / quantaPerBlockFloat;
}
public Vec3 getFlowVector(IBlockAccess world, int x, int y, int z) {
Vec3 vec = world.getWorldVec3Pool().getVecFromPool(0.0D, 0.0D, 0.0D);
int decay = quantaPerBlock - getQuantaValue(world, x, y, z);
for (int side = 0; side < 4; ++side) {
int x2 = x;
int z2 = z;
switch (side) {
case 0:
--x2;
break;
case 1:
--z2;
break;
case 2:
++x2;
break;
case 3:
++z2;
break;
}
int otherDecay = quantaPerBlock - getQuantaValue(world, x2, y, z2);
if (otherDecay >= quantaPerBlock) {
if (!world.getBlockMaterial(x2, y, z2).blocksMovement()) {
otherDecay = quantaPerBlock - getQuantaValue(world, x2, y - 1, z2);
if (otherDecay >= 0) {
int power = otherDecay - (decay - quantaPerBlock);
vec = vec.addVector((x2 - x) * power, (y - y) * power, (z2 - z) * power);
}
}
} else if (otherDecay >= 0) {
int power = otherDecay - decay;
vec = vec.addVector((x2 - x) * power, (y - y) * power, (z2 - z) * power);
}
}
if (world.getBlockId(x, y + 1, z) == blockID) {
boolean flag = false;
if (this.isBlockSolid(world, x, y, z - 1, 2)) {
flag = true;
} else if (this.isBlockSolid(world, x, y, z + 1, 3)) {
flag = true;
} else if (this.isBlockSolid(world, x - 1, y, z, 4)) {
flag = true;
} else if (this.isBlockSolid(world, x + 1, y, z, 5)) {
flag = true;
} else if (this.isBlockSolid(world, x, y + 1, z - 1, 2)) {
flag = true;
} else if (this.isBlockSolid(world, x, y + 1, z + 1, 3)) {
flag = true;
} else if (this.isBlockSolid(world, x - 1, y + 1, z, 4)) {
flag = true;
} else if (this.isBlockSolid(world, x + 1, y + 1, z, 5)) {
flag = true;
}
if (flag) {
vec = vec.normalize().addVector(0.0D, -6.0D, 0.0D);
}
}
vec = vec.normalize();
return vec;
}
/* IFluidBlock */
@Override
public Fluid getFluid() {
return FluidRegistry.getFluid(fluidName);
}
}