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Fix delta calculation

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This commit is contained in:
UnknownShadow200 2017-04-19 17:09:28 +10:00
parent 77f5744314
commit 2fe118d0ff
3 changed files with 12 additions and 6 deletions
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1
MCGalaxy/Bots/PlayerBot.cs
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@ -69,6 +69,7 @@ namespace MCGalaxy {
level = lvl;
id = NextFreeId(this);
supportsExtPositions = true;
botTimer.Elapsed += BotTimerFunc;
botTimer.Start();

16
MCGalaxy/Entity/Entities.cs
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@ -233,9 +233,9 @@ namespace MCGalaxy {
return buffer;
}
public unsafe static void GetPositionPacket(ref byte* ptr, byte id, Position pos,
public unsafe static void GetPositionPacket(ref byte* ptr, byte id, bool extPositions, Position pos,
Position oldPos, Orientation rot, Orientation oldRot) {
Position delta = GetDelta(pos, oldPos);
Position delta = GetDelta(pos, oldPos, extPositions);
bool posChanged = delta.X != 0 || delta.Y != 0 || delta.Z != 0;
bool oriChanged = rot.RotY != oldRot.RotY || rot.HeadX != oldRot.HeadX;
bool absPosUpdate = Math.Abs(delta.X) > 32 || Math.Abs(delta.Y) > 32 || Math.Abs(delta.Z) > 32;
@ -269,9 +269,12 @@ namespace MCGalaxy {
}
}
static Position GetDelta(Position pos, Position oldPos) {
return new Position(pos.X - oldPos.X, pos.Y - oldPos.Y, pos.Z - oldPos.Z);
// TODO: proper delta calculation for 16 bit clients
static Position GetDelta(Position pos, Position old, bool extPositions) {
Position delta = new Position(pos.X - old.X, pos.Y - old.Y, pos.Z - old.Z);
if (extPositions) return delta;
delta.X = (short)delta.X; delta.Y = (short)delta.Y; delta.Z = (short)delta.Z;
return delta;
}
public static void GlobalUpdate() {
@ -299,7 +302,8 @@ namespace MCGalaxy {
Orientation rot = pl.Rot;
rot.HeadX = p.hasChangeModel ? MakePitch(pl, rot.HeadX) : MakeClassicPitch(pl, rot.HeadX);
Entities.GetPositionPacket(ref ptr, pl.id, pl.tempPos, pl.lastPos, rot, pl.lastRot);
Entities.GetPositionPacket(ref ptr, pl.id, pl.supportsExtPositions,
pl.tempPos, pl.lastPos, rot, pl.lastRot);
}
int count = (int)(ptr - src);

1
MCGalaxy/Entity/Entity.cs
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@ -29,6 +29,7 @@ namespace MCGalaxy {
// Last sent orientation/position, for delta calculation
protected internal Orientation lastRot;
protected internal Position lastPos;
internal bool supportsExtPositions;
// TODO: struct assignment needs to be THREADSAFE