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Code Issues Projects Releases Wiki Activity

Fixed another issue involving invalid player positions or movement.

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This commit is contained in:
EvilSeph 2011-04-19 01:04:13 -04:00
parent 5e154b2235
commit 0048b22e44
1 changed files with 29 additions and 18 deletions
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47
src/main/java/net/minecraft/server/NetServerHandler.java
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@ -252,25 +252,13 @@ public class NetServerHandler extends NetHandler implements ICommandListener {
}
}
if (packet10flying.i) {
f2 = packet10flying.e;
f3 = packet10flying.f;
}
this.e.a(true);
this.e.bl = 0.0F;
this.e.b(this.i, this.j, this.k, f2, f3);
// Craftbukkit start - better fix for invalid position issues; should be fixed in 1.5
d4 = d1 - this.e.locX;
double d6 = d2 - this.e.locY;
double d7 = d3 - this.e.locZ;
float f4 = 0.0625F;
// CraftBukkit
boolean flag = this.e.world.a(this.e, this.e.boundingBox.b().e((double) f4, (double) f4, (double) f4)).size() == 0;
this.e.c(d4, d6, d7);
d4 = d1 - this.e.locX;
d6 = d2 - this.e.locY;
if (d6 > -0.5D || d6 < 0.5D) {
if (d6 > -0.5D || d6 < 0.5D) {
d6 = 0.0D;
}
@ -278,13 +266,36 @@ public class NetServerHandler extends NetHandler implements ICommandListener {
double d8 = d4 * d4 + d6 * d6 + d7 * d7;
boolean flag1 = false;
if (d8 > 0.0625D && !this.e.F()) {
if (d8 > 6.25D && !this.e.F()) {
flag1 = true;
a.warning(this.e.name + " moved wrongly!");
System.out.println("Got position " + d1 + ", " + d2 + ", " + d3);
System.out.println("Expected " + this.e.locX + ", " + this.e.locY + ", " + this.e.locZ);
a.warning(this.e.name + " was caught moving faster than the maximum allowed speed. Possible malicious activity?");
this.a(this.i, this.j, this.k, f2, f3);
return;
}
this.e.c(d4, d6, d7);
d4 = d1 - this.e.locX;
d6 = d2 - this.e.locY;
if (d6 > -0.5D || d6 < 0.5D) {
d6 = 0.0D;
}
d7 = d3 - this.e.locZ;
if (packet10flying.i) {
f2 = packet10flying.e;
f3 = packet10flying.f;
}
// Craftbukkit end
this.e.a(true);
this.e.bl = 0.0F;
this.e.b(this.i, this.j, this.k, f2, f3);
// CraftBukkit
boolean flag = this.e.world.a(this.e, this.e.boundingBox.b().e((double) f4, (double) f4, (double) f4)).size() == 0;
this.e.b(d1, d2, d3, f2, f3);
// CraftBukkit
boolean flag2 = this.e.world.a(this.e, this.e.boundingBox.b().e((double) f4, (double) f4, (double) f4)).size() == 0;