Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-20 21:40:06 +01:00
487 Zeilen
21 KiB
Java
487 Zeilen
21 KiB
Java
package net.minecraft.server;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Set;
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public class EntityTrackerEntry {
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public Entity tracker;
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public int b;
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public int c;
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public int xLoc;
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public int yLoc;
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public int zLoc;
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public int yRot;
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public int xRot;
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public int i;
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public double j;
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public double k;
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public double l;
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public int m = 0;
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private double p;
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private double q;
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private double r;
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private boolean s = false;
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private boolean isMoving;
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private int u = 0;
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public boolean n = false;
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public Set trackedPlayers = new HashSet();
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// CraftBukkit start
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public static ArrayList<AxisAlignedBB> collisions = new ArrayList<AxisAlignedBB>();
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public static ArrayList<AxisAlignedBB> bigCollisions = new ArrayList<AxisAlignedBB>();
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public static AxisAlignedBB entityBB = AxisAlignedBB.a(0, 0, 0, 0, 0, 0);
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// CraftBukkit end
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public EntityTrackerEntry(Entity entity, int i, int j, boolean flag) {
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this.tracker = entity;
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this.b = i;
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this.c = j;
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this.isMoving = flag;
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this.xLoc = MathHelper.floor(entity.locX * 32.0D);
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this.yLoc = MathHelper.floor(entity.locY * 32.0D);
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this.zLoc = MathHelper.floor(entity.locZ * 32.0D);
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this.yRot = MathHelper.d(entity.yaw * 256.0F / 360.0F);
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this.xRot = MathHelper.d(entity.pitch * 256.0F / 360.0F);
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this.i = MathHelper.d(entity.ar() * 256.0F / 360.0F);
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}
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public boolean equals(Object object) {
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return object instanceof EntityTrackerEntry ? ((EntityTrackerEntry) object).tracker.id == this.tracker.id : false;
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}
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public int hashCode() {
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return this.tracker.id;
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}
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// CraftBukkit start
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private int[] fixCoords(int bigX, int bigY, int bigZ) {
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final float halfWidth = this.tracker.width / 2.0F;
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this.collisions.clear();
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this.getCollisions(this.tracker.boundingBox, this.collisions);
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// loop through all combinations of adding 0 or 1 to x, y, and z
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outerloop:
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for (int i = 0; i < 8; i++) {
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int x = bigX + (i & 0x1);
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int y = bigY + (i >> 2 & 0x1);
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int z = bigZ + (i >> 1 & 0x1);
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// create a bounding box for our possible match
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double minXd = (x / 32.0D) - halfWidth;
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double maxXd = (x / 32.0D) + halfWidth;
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double minYd = (y / 32.0D) - this.tracker.height + this.tracker.bO;
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double maxYd = (y / 32.0D) - this.tracker.height + this.tracker.bO + this.tracker.length;
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double minZd = (z / 32.0D) - halfWidth;
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double maxZd = (z / 32.0D) + halfWidth;
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this.entityBB = this.entityBB.c(minXd, minYd, minZd, maxXd, maxYd, maxZd);
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this.bigCollisions.clear();
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this.getCollisions(entityBB, this.bigCollisions);
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if (this.collisions.size() == this.bigCollisions.size()) {
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for (int j = 0; j < this.collisions.size(); j++) {
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AxisAlignedBB collision = this.collisions.get(j);
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AxisAlignedBB bigCollision = this.bigCollisions.get(j);
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if (!(collision.a == bigCollision.a && collision.b == bigCollision.b && collision.c == bigCollision.c && collision.d == bigCollision.d && collision.e == bigCollision.e && collision.f == bigCollision.f)) {
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continue outerloop;
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}
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}
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// if we make it here we got a match
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return new int[] { x, y, z };
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}
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}
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return new int[] { bigX, bigY, bigZ };
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}
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private void getCollisions(AxisAlignedBB bb, ArrayList collisions) {
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int minX = MathHelper.floor(bb.a);
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int maxX = MathHelper.floor(bb.d) + 1;
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int minY = MathHelper.floor(bb.b);
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int maxY = MathHelper.floor(bb.e) + 1;
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int minZ = MathHelper.floor(bb.c);
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int maxZ = MathHelper.floor(bb.f) + 1;
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for (int curX = minX; curX <= maxX; curX++) {
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for (int curZ = minZ; curZ <= maxZ; curZ++) {
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if (!this.tracker.world.isLoaded(curX, 64, curZ)) {
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continue;
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}
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for (int curY = minY; curY <= maxY; curY++) {
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Block block = Block.byId[this.tracker.world.getTypeId(curX, curY, curZ)];
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if (block == null) {
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continue;
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}
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// get all bounding boxes for this block that intersect the entity
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block.a(this.tracker.world, curX, curY, curZ, bb, collisions);
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}
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}
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}
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}
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// CraftBukkit end
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public void track(List list) {
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this.n = false;
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if (!this.s || this.tracker.e(this.p, this.q, this.r) > 16.0D) {
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this.p = this.tracker.locX;
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this.q = this.tracker.locY;
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this.r = this.tracker.locZ;
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this.s = true;
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this.n = true;
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this.scanPlayers(list);
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}
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++this.u;
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if (this.m++ % this.c == 0 || this.tracker.ce) {
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int i = MathHelper.floor(this.tracker.locX * 32.0D);
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int j = MathHelper.floor(this.tracker.locY * 32.0D);
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int k = MathHelper.floor(this.tracker.locZ * 32.0D);
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// CraftBukkit start - fix up coordinates to prevent entities clipping through blocks
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int[] fixedCoords = this.fixCoords(i, j, k);
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i = fixedCoords[0];
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j = fixedCoords[1];
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k = fixedCoords[2];
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// CraftBukkit end
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int l = MathHelper.d(this.tracker.yaw * 256.0F / 360.0F);
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int i1 = MathHelper.d(this.tracker.pitch * 256.0F / 360.0F);
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int j1 = i - this.xLoc;
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int k1 = j - this.yLoc;
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int l1 = k - this.zLoc;
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Object object = null;
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boolean flag = Math.abs(j1) >= 4 || Math.abs(k1) >= 4 || Math.abs(l1) >= 4;
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boolean flag1 = Math.abs(l - this.yRot) >= 4 || Math.abs(i1 - this.xRot) >= 4;
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// CraftBukkit start - code moved from below
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if (flag) {
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this.xLoc = i;
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this.yLoc = j;
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this.zLoc = k;
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}
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if (flag1) {
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this.yRot = l;
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this.xRot = i1;
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}
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// CraftBukkit end
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if (j1 >= -128 && j1 < 128 && k1 >= -128 && k1 < 128 && l1 >= -128 && l1 < 128 && this.u <= 400) {
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if (flag && flag1) {
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object = new Packet33RelEntityMoveLook(this.tracker.id, (byte) j1, (byte) k1, (byte) l1, (byte) l, (byte) i1);
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} else if (flag) {
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object = new Packet31RelEntityMove(this.tracker.id, (byte) j1, (byte) k1, (byte) l1);
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} else if (flag1) {
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object = new Packet32EntityLook(this.tracker.id, (byte) l, (byte) i1);
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}
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} else {
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this.u = 0;
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// CraftBukkit start
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// remove (redundant?) setting of entity location to avoid clipping through blocks
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//this.tracker.locX = (double) i / 32.0D;
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//this.tracker.locY = (double) j / 32.0D;
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//this.tracker.locZ = (double) k / 32.0D;
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// refresh list of who can see a player before sending teleport packet
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if (this.tracker instanceof EntityPlayer) {
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this.scanPlayers(new ArrayList(this.trackedPlayers));
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}
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object = new Packet34EntityTeleport(this.tracker.id, i, j - 1, k, (byte) l, (byte) i1); // move entities down 1 client side so they don't clip up out of boxes
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// CraftBukkit end
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}
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if (this.isMoving) {
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double d0 = this.tracker.motX - this.j;
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double d1 = this.tracker.motY - this.k;
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double d2 = this.tracker.motZ - this.l;
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double d3 = 0.02D;
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double d4 = d0 * d0 + d1 * d1 + d2 * d2;
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if (d4 > d3 * d3 || d4 > 0.0D && this.tracker.motX == 0.0D && this.tracker.motY == 0.0D && this.tracker.motZ == 0.0D) {
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this.j = this.tracker.motX;
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this.k = this.tracker.motY;
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this.l = this.tracker.motZ;
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this.broadcast(new Packet28EntityVelocity(this.tracker.id, this.j, this.k, this.l));
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}
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}
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if (object != null) {
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this.broadcast((Packet) object);
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}
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DataWatcher datawatcher = this.tracker.getDataWatcher();
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if (datawatcher.a()) {
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this.broadcastIncludingSelf(new Packet40EntityMetadata(this.tracker.id, datawatcher));
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}
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int i2 = MathHelper.d(this.tracker.ar() * 256.0F / 360.0F);
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if (Math.abs(i2 - this.i) >= 4) {
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this.broadcast(new Packet35EntityHeadRotation(this.tracker.id, (byte) i2));
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this.i = i2;
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}
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/* CraftBukkit start - code moved up
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if (flag) {
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this.xLoc = i;
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this.yLoc = j;
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this.zLoc = k;
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}
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if (flag1) {
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this.yRot = l;
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this.xRot = i1;
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}
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// CraftBukkit end */
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}
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this.tracker.ce = false;
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if (this.tracker.velocityChanged) {
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// CraftBukkit start - create PlayerVelocity event
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boolean cancelled = false;
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if (this.tracker instanceof EntityPlayer) {
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org.bukkit.entity.Player player = (org.bukkit.entity.Player) this.tracker.getBukkitEntity();
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org.bukkit.util.Vector velocity = player.getVelocity();
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org.bukkit.event.player.PlayerVelocityEvent event = new org.bukkit.event.player.PlayerVelocityEvent(player, velocity);
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this.tracker.world.getServer().getPluginManager().callEvent(event);
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if (event.isCancelled()) {
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cancelled = true;
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} else if (!velocity.equals(event.getVelocity())) {
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player.setVelocity(velocity);
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}
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}
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if (!cancelled) {
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this.broadcastIncludingSelf((Packet) (new Packet28EntityVelocity(this.tracker)));
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}
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// CraftBukkit end
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this.tracker.velocityChanged = false;
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}
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}
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public void broadcast(Packet packet) {
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Iterator iterator = this.trackedPlayers.iterator();
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while (iterator.hasNext()) {
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EntityPlayer entityplayer = (EntityPlayer) iterator.next();
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entityplayer.netServerHandler.sendPacket(packet);
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}
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}
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public void broadcastIncludingSelf(Packet packet) {
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this.broadcast(packet);
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if (this.tracker instanceof EntityPlayer) {
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((EntityPlayer) this.tracker).netServerHandler.sendPacket(packet);
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}
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}
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public void a() {
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this.broadcast(new Packet29DestroyEntity(this.tracker.id));
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}
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public void a(EntityPlayer entityplayer) {
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if (this.trackedPlayers.contains(entityplayer)) {
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this.trackedPlayers.remove(entityplayer);
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}
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}
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public void updatePlayer(EntityPlayer entityplayer) {
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if (entityplayer != this.tracker) {
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double d0 = entityplayer.locX - (double) (this.xLoc / 32);
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double d1 = entityplayer.locZ - (double) (this.zLoc / 32);
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if (d0 >= (double) (-this.b) && d0 <= (double) this.b && d1 >= (double) (-this.b) && d1 <= (double) this.b) {
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if (!this.trackedPlayers.contains(entityplayer)) {
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// CraftBukkit start
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if (tracker instanceof EntityPlayer) {
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org.bukkit.entity.Player player = ((EntityPlayer) tracker).getBukkitEntity();
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if (!entityplayer.getBukkitEntity().canSee(player)) {
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return;
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}
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}
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// CraftBukkit end
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this.trackedPlayers.add(entityplayer);
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entityplayer.netServerHandler.sendPacket(this.b());
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if (this.isMoving) {
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entityplayer.netServerHandler.sendPacket(new Packet28EntityVelocity(this.tracker.id, this.tracker.motX, this.tracker.motY, this.tracker.motZ));
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}
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ItemStack[] aitemstack = this.tracker.getEquipment();
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if (aitemstack != null) {
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for (int i = 0; i < aitemstack.length; ++i) {
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entityplayer.netServerHandler.sendPacket(new Packet5EntityEquipment(this.tracker.id, i, aitemstack[i]));
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}
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}
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if (this.tracker instanceof EntityHuman) {
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EntityHuman entityhuman = (EntityHuman) this.tracker;
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if (entityhuman.isSleeping()) {
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entityplayer.netServerHandler.sendPacket(new Packet17EntityLocationAction(this.tracker, 0, MathHelper.floor(this.tracker.locX), MathHelper.floor(this.tracker.locY), MathHelper.floor(this.tracker.locZ)));
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}
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}
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if (this.tracker instanceof EntityLiving) {
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EntityLiving entityliving = (EntityLiving) this.tracker;
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Iterator iterator = entityliving.getEffects().iterator();
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while (iterator.hasNext()) {
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MobEffect mobeffect = (MobEffect) iterator.next();
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entityplayer.netServerHandler.sendPacket(new Packet41MobEffect(this.tracker.id, mobeffect));
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}
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}
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}
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} else if (this.trackedPlayers.contains(entityplayer)) {
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this.trackedPlayers.remove(entityplayer);
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entityplayer.netServerHandler.sendPacket(new Packet29DestroyEntity(this.tracker.id));
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}
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}
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}
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public void scanPlayers(List list) {
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for (int i = 0; i < list.size(); ++i) {
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this.updatePlayer((EntityPlayer) list.get(i));
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}
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}
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private Packet b() {
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if (this.tracker.dead) {
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// CraftBukkit - add some information
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System.out.println("Fetching addPacket for removed entity: " + this.tracker.getBukkitEntity().toString());
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}
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if (this.tracker instanceof EntityItem) {
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EntityItem entityitem = (EntityItem) this.tracker;
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Packet21PickupSpawn packet21pickupspawn = new Packet21PickupSpawn(entityitem);
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entityitem.locX = (double) packet21pickupspawn.b / 32.0D;
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entityitem.locY = (double) packet21pickupspawn.c / 32.0D;
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entityitem.locZ = (double) packet21pickupspawn.d / 32.0D;
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return packet21pickupspawn;
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} else if (this.tracker instanceof EntityPlayer) {
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return new Packet20NamedEntitySpawn((EntityHuman) this.tracker);
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} else {
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if (this.tracker instanceof EntityMinecart) {
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EntityMinecart entityminecart = (EntityMinecart) this.tracker;
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if (entityminecart.type == 0) {
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return new Packet23VehicleSpawn(this.tracker, 10);
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}
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if (entityminecart.type == 1) {
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return new Packet23VehicleSpawn(this.tracker, 11);
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}
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if (entityminecart.type == 2) {
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return new Packet23VehicleSpawn(this.tracker, 12);
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}
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}
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if (this.tracker instanceof EntityBoat) {
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return new Packet23VehicleSpawn(this.tracker, 1);
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} else if (this.tracker instanceof IAnimal) {
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return new Packet24MobSpawn((EntityLiving) this.tracker);
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} else if (this.tracker instanceof EntityEnderDragon) {
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return new Packet24MobSpawn((EntityLiving) this.tracker);
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} else if (this.tracker instanceof EntityFishingHook) {
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return new Packet23VehicleSpawn(this.tracker, 90);
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} else if (this.tracker instanceof EntityArrow) {
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Entity entity = ((EntityArrow) this.tracker).shooter;
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return new Packet23VehicleSpawn(this.tracker, 60, entity != null ? entity.id : this.tracker.id);
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} else if (this.tracker instanceof EntitySnowball) {
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return new Packet23VehicleSpawn(this.tracker, 61);
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} else if (this.tracker instanceof EntityPotion) {
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return new Packet23VehicleSpawn(this.tracker, 73, ((EntityPotion) this.tracker).getPotionValue());
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} else if (this.tracker instanceof EntityThrownExpBottle) {
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return new Packet23VehicleSpawn(this.tracker, 75);
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} else if (this.tracker instanceof EntityEnderPearl) {
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return new Packet23VehicleSpawn(this.tracker, 65);
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} else if (this.tracker instanceof EntityEnderSignal) {
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return new Packet23VehicleSpawn(this.tracker, 72);
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} else {
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Packet23VehicleSpawn packet23vehiclespawn;
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if (this.tracker instanceof EntitySmallFireball) {
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EntitySmallFireball entitysmallfireball = (EntitySmallFireball) this.tracker;
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packet23vehiclespawn = null;
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if (entitysmallfireball.shooter != null) {
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packet23vehiclespawn = new Packet23VehicleSpawn(this.tracker, 64, entitysmallfireball.shooter.id);
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} else {
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packet23vehiclespawn = new Packet23VehicleSpawn(this.tracker, 64, 0);
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}
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packet23vehiclespawn.e = (int) (entitysmallfireball.dirX * 8000.0D);
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packet23vehiclespawn.f = (int) (entitysmallfireball.dirY * 8000.0D);
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packet23vehiclespawn.g = (int) (entitysmallfireball.dirZ * 8000.0D);
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return packet23vehiclespawn;
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} else if (this.tracker instanceof EntityFireball) {
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EntityFireball entityfireball = (EntityFireball) this.tracker;
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packet23vehiclespawn = null;
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if (entityfireball.shooter != null) {
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packet23vehiclespawn = new Packet23VehicleSpawn(this.tracker, 63, ((EntityFireball) this.tracker).shooter.id);
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} else {
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packet23vehiclespawn = new Packet23VehicleSpawn(this.tracker, 63, 0);
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}
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packet23vehiclespawn.e = (int) (entityfireball.dirX * 8000.0D);
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packet23vehiclespawn.f = (int) (entityfireball.dirY * 8000.0D);
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packet23vehiclespawn.g = (int) (entityfireball.dirZ * 8000.0D);
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return packet23vehiclespawn;
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} else if (this.tracker instanceof EntityEgg) {
|
|
return new Packet23VehicleSpawn(this.tracker, 62);
|
|
} else if (this.tracker instanceof EntityTNTPrimed) {
|
|
return new Packet23VehicleSpawn(this.tracker, 50);
|
|
} else if (this.tracker instanceof EntityEnderCrystal) {
|
|
return new Packet23VehicleSpawn(this.tracker, 51);
|
|
} else {
|
|
if (this.tracker instanceof EntityFallingBlock) {
|
|
EntityFallingBlock entityfallingblock = (EntityFallingBlock) this.tracker;
|
|
|
|
if (entityfallingblock.id == Block.SAND.id) {
|
|
return new Packet23VehicleSpawn(this.tracker, 70);
|
|
}
|
|
|
|
if (entityfallingblock.id == Block.GRAVEL.id) {
|
|
return new Packet23VehicleSpawn(this.tracker, 71);
|
|
}
|
|
|
|
if (entityfallingblock.id == Block.DRAGON_EGG.id) {
|
|
return new Packet23VehicleSpawn(this.tracker, 74);
|
|
}
|
|
}
|
|
|
|
if (this.tracker instanceof EntityPainting) {
|
|
return new Packet25EntityPainting((EntityPainting) this.tracker);
|
|
} else if (this.tracker instanceof EntityExperienceOrb) {
|
|
return new Packet26AddExpOrb((EntityExperienceOrb) this.tracker);
|
|
} else {
|
|
throw new IllegalArgumentException("Don\'t know how to add " + this.tracker.getClass() + "!");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public void clear(EntityPlayer entityplayer) {
|
|
if (this.trackedPlayers.contains(entityplayer)) {
|
|
this.trackedPlayers.remove(entityplayer);
|
|
entityplayer.netServerHandler.sendPacket(new Packet29DestroyEntity(this.tracker.id));
|
|
}
|
|
}
|
|
}
|