261 lines
12 KiB
Java
261 lines
12 KiB
Java
package net.minecraft.entity;
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import net.minecraft.block.Block;
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import net.minecraft.item.Item;
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import net.minecraft.item.crafting.ItemStack;
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import net.minecraft.math.AxisAlignedBB;
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import net.minecraft.math.MathHelper;
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import net.minecraft.math.Vec3D;
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import net.minecraft.nbt.NBTTagCompound;
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import net.minecraft.util.MovingObjectPosition;
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import net.minecraft.world.World;
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import java.util.List;
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public class EntityArrow extends Entity {
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private int xTile = -1;
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private int yTile = -1;
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private int zTile = -1;
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private int inTile = 0;
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private int field_28011_h = 0;
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private boolean inGround = false;
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public boolean field_28012_a = false;
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public int arrowShake = 0;
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public EntityLiving owner;
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private int ticksInGround;
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private int ticksInAir = 0;
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public EntityArrow(World var1) {
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super(var1);
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this.setSize(0.5F, 0.5F);
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}
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public EntityArrow(World var1, double var2, double var4, double var6) {
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super(var1);
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this.setSize(0.5F, 0.5F);
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this.setPosition(var2, var4, var6);
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this.yOffset = 0.0F;
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}
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public EntityArrow(World var1, EntityLiving var2) {
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super(var1);
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this.owner = var2;
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this.field_28012_a = var2 instanceof EntityPlayer;
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this.setSize(0.5F, 0.5F);
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this.setLocationAndAngles(var2.posX, var2.posY + (double) var2.getEyeHeight(), var2.posZ, var2.rotationYaw, var2.rotationPitch);
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this.posX -= (double) (MathHelper.cos(this.rotationYaw / 180.0F * (float) Math.PI) * 0.16F);
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this.posY -= (double) 0.1F;
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this.posZ -= (double) (MathHelper.sin(this.rotationYaw / 180.0F * (float) Math.PI) * 0.16F);
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this.setPosition(this.posX, this.posY, this.posZ);
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this.yOffset = 0.0F;
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this.motionX = (double) (-MathHelper.sin(this.rotationYaw / 180.0F * (float) Math.PI) * MathHelper.cos(this.rotationPitch / 180.0F * (float) Math.PI));
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this.motionZ = (double) (MathHelper.cos(this.rotationYaw / 180.0F * (float) Math.PI) * MathHelper.cos(this.rotationPitch / 180.0F * (float) Math.PI));
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this.motionY = (double) (-MathHelper.sin(this.rotationPitch / 180.0F * (float) Math.PI));
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this.setArrowHeading(this.motionX, this.motionY, this.motionZ, 1.5F, 1.0F);
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}
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protected void entityInit() {
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}
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public void setArrowHeading(double var1, double var3, double var5, float var7, float var8) {
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float var9 = MathHelper.sqrt_double(var1 * var1 + var3 * var3 + var5 * var5);
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var1 /= (double) var9;
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var3 /= (double) var9;
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var5 /= (double) var9;
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var1 += this.rand.nextGaussian() * (double) 0.0075F * (double) var8;
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var3 += this.rand.nextGaussian() * (double) 0.0075F * (double) var8;
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var5 += this.rand.nextGaussian() * (double) 0.0075F * (double) var8;
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var1 *= (double) var7;
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var3 *= (double) var7;
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var5 *= (double) var7;
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this.motionX = var1;
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this.motionY = var3;
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this.motionZ = var5;
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float var10 = MathHelper.sqrt_double(var1 * var1 + var5 * var5);
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this.prevRotationYaw = this.rotationYaw = (float) (Math.atan2(var1, var5) * 180.0D / (double) ((float) Math.PI));
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this.prevRotationPitch = this.rotationPitch = (float) (Math.atan2(var3, (double) var10) * 180.0D / (double) ((float) Math.PI));
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this.ticksInGround = 0;
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}
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public void onUpdate() {
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super.onUpdate();
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if (this.prevRotationPitch == 0.0F && this.prevRotationYaw == 0.0F) {
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float var1 = MathHelper.sqrt_double(this.motionX * this.motionX + this.motionZ * this.motionZ);
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this.prevRotationYaw = this.rotationYaw = (float) (Math.atan2(this.motionX, this.motionZ) * 180.0D / (double) ((float) Math.PI));
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this.prevRotationPitch = this.rotationPitch = (float) (Math.atan2(this.motionY, (double) var1) * 180.0D / (double) ((float) Math.PI));
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}
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int var15 = this.worldObj.getBlockId(this.xTile, this.yTile, this.zTile);
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if (var15 > 0) {
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Block.blocksList[var15].setBlockBoundsBasedOnState(this.worldObj, this.xTile, this.yTile, this.zTile);
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AxisAlignedBB var2 = Block.blocksList[var15].getCollisionBoundingBoxFromPool(this.worldObj, this.xTile, this.yTile, this.zTile);
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if (var2 != null && var2.isVecInXYZ(Vec3D.createVector(this.posX, this.posY, this.posZ))) {
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this.inGround = true;
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}
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}
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if (this.arrowShake > 0) {
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--this.arrowShake;
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}
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if (this.inGround) {
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var15 = this.worldObj.getBlockId(this.xTile, this.yTile, this.zTile);
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int var18 = this.worldObj.getBlockMetadata(this.xTile, this.yTile, this.zTile);
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if (var15 == this.inTile && var18 == this.field_28011_h) {
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++this.ticksInGround;
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if (this.ticksInGround == 1200) {
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this.setEntityDead();
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}
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} else {
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this.inGround = false;
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this.motionX *= (double) (this.rand.nextFloat() * 0.2F);
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this.motionY *= (double) (this.rand.nextFloat() * 0.2F);
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this.motionZ *= (double) (this.rand.nextFloat() * 0.2F);
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this.ticksInGround = 0;
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this.ticksInAir = 0;
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}
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} else {
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++this.ticksInAir;
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Vec3D var16 = Vec3D.createVector(this.posX, this.posY, this.posZ);
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Vec3D var17 = Vec3D.createVector(this.posX + this.motionX, this.posY + this.motionY, this.posZ + this.motionZ);
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MovingObjectPosition var3 = this.worldObj.func_28099_a(var16, var17, false, true);
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var16 = Vec3D.createVector(this.posX, this.posY, this.posZ);
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var17 = Vec3D.createVector(this.posX + this.motionX, this.posY + this.motionY, this.posZ + this.motionZ);
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if (var3 != null) {
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var17 = Vec3D.createVector(var3.hitVec.xCoord, var3.hitVec.yCoord, var3.hitVec.zCoord);
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}
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Entity var4 = null;
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List var5 = this.worldObj.getEntitiesWithinAABBExcludingEntity(this, this.boundingBox.addCoord(this.motionX, this.motionY, this.motionZ).expand(1.0D, 1.0D, 1.0D));
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double var6 = 0.0D;
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float var10;
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for (int var8 = 0; var8 < var5.size(); ++var8) {
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Entity var9 = (Entity) var5.get(var8);
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if (var9.canBeCollidedWith() && (var9 != this.owner || this.ticksInAir >= 5)) {
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var10 = 0.3F;
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AxisAlignedBB var11 = var9.boundingBox.expand((double) var10, (double) var10, (double) var10);
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MovingObjectPosition var12 = var11.func_706_a(var16, var17);
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if (var12 != null) {
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double var13 = var16.distanceTo(var12.hitVec);
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if (var13 < var6 || var6 == 0.0D) {
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var4 = var9;
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var6 = var13;
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}
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}
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}
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}
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if (var4 != null) {
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var3 = new MovingObjectPosition(var4);
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}
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float var19;
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if (var3 != null) {
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if (var3.entityHit != null) {
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if (var3.entityHit.attackEntityFrom(this.owner, 4)) {
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this.worldObj.playSoundAtEntity(this, "random.drr", 1.0F, 1.2F / (this.rand.nextFloat() * 0.2F + 0.9F));
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this.setEntityDead();
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} else {
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this.motionX *= (double) -0.1F;
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this.motionY *= (double) -0.1F;
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this.motionZ *= (double) -0.1F;
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this.rotationYaw += 180.0F;
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this.prevRotationYaw += 180.0F;
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this.ticksInAir = 0;
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}
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} else {
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this.xTile = var3.blockX;
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this.yTile = var3.blockY;
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this.zTile = var3.blockZ;
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this.inTile = this.worldObj.getBlockId(this.xTile, this.yTile, this.zTile);
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this.field_28011_h = this.worldObj.getBlockMetadata(this.xTile, this.yTile, this.zTile);
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this.motionX = (double) ((float) (var3.hitVec.xCoord - this.posX));
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this.motionY = (double) ((float) (var3.hitVec.yCoord - this.posY));
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this.motionZ = (double) ((float) (var3.hitVec.zCoord - this.posZ));
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var19 = MathHelper.sqrt_double(this.motionX * this.motionX + this.motionY * this.motionY + this.motionZ * this.motionZ);
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this.posX -= this.motionX / (double) var19 * (double) 0.05F;
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this.posY -= this.motionY / (double) var19 * (double) 0.05F;
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this.posZ -= this.motionZ / (double) var19 * (double) 0.05F;
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this.worldObj.playSoundAtEntity(this, "random.drr", 1.0F, 1.2F / (this.rand.nextFloat() * 0.2F + 0.9F));
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this.inGround = true;
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this.arrowShake = 7;
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}
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}
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this.posX += this.motionX;
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this.posY += this.motionY;
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this.posZ += this.motionZ;
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var19 = MathHelper.sqrt_double(this.motionX * this.motionX + this.motionZ * this.motionZ);
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this.rotationYaw = (float) (Math.atan2(this.motionX, this.motionZ) * 180.0D / (double) ((float) Math.PI));
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for (this.rotationPitch = (float) (Math.atan2(this.motionY, (double) var19) * 180.0D / (double) ((float) Math.PI)); this.rotationPitch - this.prevRotationPitch < -180.0F; this.prevRotationPitch -= 360.0F) {
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}
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while (this.rotationPitch - this.prevRotationPitch >= 180.0F) {
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this.prevRotationPitch += 360.0F;
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}
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while (this.rotationYaw - this.prevRotationYaw < -180.0F) {
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this.prevRotationYaw -= 360.0F;
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}
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while (this.rotationYaw - this.prevRotationYaw >= 180.0F) {
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this.prevRotationYaw += 360.0F;
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}
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this.rotationPitch = this.prevRotationPitch + (this.rotationPitch - this.prevRotationPitch) * 0.2F;
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this.rotationYaw = this.prevRotationYaw + (this.rotationYaw - this.prevRotationYaw) * 0.2F;
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float var20 = 0.99F;
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var10 = 0.03F;
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if (this.isInWater()) {
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for (int var21 = 0; var21 < 4; ++var21) {
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float var22 = 0.25F;
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this.worldObj.spawnParticle("bubble", this.posX - this.motionX * (double) var22, this.posY - this.motionY * (double) var22, this.posZ - this.motionZ * (double) var22, this.motionX, this.motionY, this.motionZ);
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}
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var20 = 0.8F;
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}
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this.motionX *= (double) var20;
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this.motionY *= (double) var20;
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this.motionZ *= (double) var20;
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this.motionY -= (double) var10;
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this.setPosition(this.posX, this.posY, this.posZ);
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}
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}
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public void writeEntityToNBT(NBTTagCompound var1) {
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var1.setShort("xTile", (short) this.xTile);
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var1.setShort("yTile", (short) this.yTile);
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var1.setShort("zTile", (short) this.zTile);
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var1.setByte("inTile", (byte) this.inTile);
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var1.setByte("inData", (byte) this.field_28011_h);
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var1.setByte("shake", (byte) this.arrowShake);
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var1.setByte("inGround", (byte) (this.inGround ? 1 : 0));
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var1.setBoolean("player", this.field_28012_a);
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}
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public void readEntityFromNBT(NBTTagCompound var1) {
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this.xTile = var1.getShort("xTile");
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this.yTile = var1.getShort("yTile");
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this.zTile = var1.getShort("zTile");
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this.inTile = var1.getByte("inTile") & 255;
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this.field_28011_h = var1.getByte("inData") & 255;
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this.arrowShake = var1.getByte("shake") & 255;
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this.inGround = var1.getByte("inGround") == 1;
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this.field_28012_a = var1.getBoolean("player");
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}
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public void onCollideWithPlayer(EntityPlayer var1) {
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if (!this.worldObj.singleplayerWorld) {
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if (this.inGround && this.field_28012_a && this.arrowShake <= 0 && var1.inventory.addItemStackToInventory(new ItemStack(Item.arrow, 1))) {
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this.worldObj.playSoundAtEntity(this, "random.pop", 0.2F, ((this.rand.nextFloat() - this.rand.nextFloat()) * 0.7F + 1.0F) * 2.0F);
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var1.onItemPickup(this, 1);
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this.setEntityDead();
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}
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}
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}
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}
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