Save 3 bytes by sending the force vector slightly compressed. Decals spawn in the...

diff --git a/qcsrc/common/effects/qc/damageeffects.qc b/qcsrc/common/effects/qc/damageeffects.qc
index 847a9d34087bb3890934b336636e4e74f583c93c..b0219e9f065ab6b52e1a8a1a10ff13cac573a373 100644 (file)
--- a/qcsrc/common/effects/qc/damageeffects.qc
+++ b/qcsrc/common/effects/qc/damageeffects.qc
@@ -13,7 +13,12 @@ bool Damage_DamageInfo_SendEntity(entity this, entity to, int sf)
        WriteByte(MSG_ENTITY, bound(1, this.dmg, 255));
        WriteByte(MSG_ENTITY, bound(0, this.dmg_radius, 255));
        WriteByte(MSG_ENTITY, bound(1, this.dmg_edge, 255));
-       WriteVector(MSG_ENTITY, this.velocity);
+       // we can't send the force vector compressed with compressShortVector as it's too inaccurate
+       // it would break decals when hit angle on a surface is small
+       // (the traceline performed by the client to spawn a decal wouldn't hit the surface at all)
+       WriteShort(MSG_ENTITY, floor(this.velocity.x / 4));
+       WriteShort(MSG_ENTITY, floor(this.velocity.y / 4));
+       WriteShort(MSG_ENTITY, floor(this.velocity.z / 4));
        WriteByte(MSG_ENTITY, this.species);
        return true;
 }
@@ -191,7 +196,10 @@ NET_HANDLE(ENT_CLIENT_DAMAGEINFO, bool isNew)
        thedamage = ReadByte();
        rad = ReadByte();
        edge = ReadByte();
-       force = ReadVector();
+       force.x = ReadShort() * 4 + 2;
+       force.y = ReadShort() * 4 + 2;
+       force.z = ReadShort() * 4 + 2;
+
        species = ReadByte();
 
        return = true;