From 94ebeb7c875fb0273f3936153662885508101d55 Mon Sep 17 00:00:00 2001
From: Rudolf Polzer <divverent@xonotic.org>
Date: Tue, 19 Nov 2013 11:18:27 +0100
Subject: [PATCH] Kill zcurveparticles due to 0 users.

---
 qcsrc/client/Main.qc          |  4 ---
 qcsrc/client/particles.qc     | 58 ----------------------------------
 qcsrc/common/constants.qh     |  1 -
 qcsrc/server/miscfunctions.qc | 59 -----------------------------------
 4 files changed, 122 deletions(-)

diff --git a/qcsrc/client/Main.qc b/qcsrc/client/Main.qc
index a06eb5e65..6423c16e5 100644
--- a/qcsrc/client/Main.qc
+++ b/qcsrc/client/Main.qc
@@ -1216,10 +1216,6 @@ float CSQC_Parse_TempEntity()
 			Net_ReadRace();
 			bHandled = true;
 			break;
-		case TE_CSQC_ZCURVEPARTICLES:
-			Net_ReadZCurveParticles();
-			bHandled = true;
-			break;
 		case TE_CSQC_NEXGUNBEAMPARTICLE:
 			Net_ReadNexgunBeamParticle();
 			bHandled = true;
diff --git a/qcsrc/client/particles.qc b/qcsrc/client/particles.qc
index ce8b6dd7f..8751cc0c5 100644
--- a/qcsrc/client/particles.qc
+++ b/qcsrc/client/particles.qc
@@ -225,64 +225,6 @@ void Ent_RainOrSnow()
 		self.draw = Draw_Snow;
 }
 
-entity zcurve;
-void zcurveparticles(float effectnum, vector start, vector end, float end_dz, float speed, float depth)
-{
-	// end_dz:
-	//   IF IT WERE A STRAIGHT LINE, it'd end end_dz above end
-
-	vector mid;
-	mid = (start + end) * 0.5;
-
-	end_dz *= 0.25;
-	mid_z += end_dz;
-
-	--depth;
-	if(depth < 0 || normalize(mid - start) * normalize(end - start) > 0.999999)
-	// TODO make this a variable threshold
-	// currently: 0.081 degrees
-	// 0.99999 would be 0.256 degrees and is visible
-	{
-		zcurve.velocity = speed * normalize(end - start);
-		trailparticles(zcurve, effectnum, start, end);
-	}
-	else
-	{
-		zcurveparticles(effectnum, start, mid, end_dz, speed, depth);
-		zcurveparticles(effectnum, mid, end, end_dz, speed, depth);
-	}
-}
-
-void Net_ReadZCurveParticles()
-{
-	vector start, end;
-	float end_dz;
-	float effectnum, speed;
-
-	if(!zcurve)
-	{
-		zcurve = spawn();
-		zcurve.classname = "zcurve";
-	}
-
-	effectnum = ReadShort();
-
-	start_x = ReadCoord();
-	start_y = ReadCoord();
-	start_z = ReadCoord();
-
-	do
-	{
-		end_x = ReadCoord();
-		end_y = ReadCoord();
-		end_z = ReadCoord();
-		end_dz = ReadCoord();
-		speed = ReadShort();
-		zcurveparticles(effectnum, start, end, end_dz, 16 * (speed & 0x7FFF), 5); // at most 32 segments
-	}
-	while(!(speed & 0x8000));
-}
-
 void Net_ReadNexgunBeamParticle()
 {
 	vector shotorg, endpos;
diff --git a/qcsrc/common/constants.qh b/qcsrc/common/constants.qh
index 55d16953f..8ae465e54 100644
--- a/qcsrc/common/constants.qh
+++ b/qcsrc/common/constants.qh
@@ -30,7 +30,6 @@ const float AS_FLOAT = 8;
 
 const float TE_CSQC_PICTURE = 100;
 const float TE_CSQC_RACE = 101;
-const float TE_CSQC_ZCURVEPARTICLES = 102;
 const float TE_CSQC_NEXGUNBEAMPARTICLE = 103;
 const float TE_CSQC_LIGHTNINGARC = 104;
 const float TE_CSQC_TEAMNAGGER = 105;
diff --git a/qcsrc/server/miscfunctions.qc b/qcsrc/server/miscfunctions.qc
index 947a6b92a..68ca7666b 100644
--- a/qcsrc/server/miscfunctions.qc
+++ b/qcsrc/server/miscfunctions.qc
@@ -2011,65 +2011,6 @@ float MoveToRandomMapLocation(entity e, float goodcontents, float badcontents, f
         return FALSE;
 }
 
-float zcurveparticles_effectno;
-vector zcurveparticles_start;
-float zcurveparticles_spd;
-
-void endzcurveparticles()
-{
-	if(zcurveparticles_effectno)
-	{
-		// terminator
-		WriteShort(MSG_BROADCAST, zcurveparticles_spd | 0x8000);
-	}
-	zcurveparticles_effectno = 0;
-}
-
-void zcurveparticles(float effectno, vector start, vector end, float end_dz, float spd)
-{
-	spd = bound(0, floor(spd / 16), 32767);
-	if(effectno != zcurveparticles_effectno || start != zcurveparticles_start)
-	{
-		endzcurveparticles();
-		WriteByte(MSG_BROADCAST, SVC_TEMPENTITY);
-		WriteByte(MSG_BROADCAST, TE_CSQC_ZCURVEPARTICLES);
-		WriteShort(MSG_BROADCAST, effectno);
-		WriteCoord(MSG_BROADCAST, start_x);
-		WriteCoord(MSG_BROADCAST, start_y);
-		WriteCoord(MSG_BROADCAST, start_z);
-		zcurveparticles_effectno = effectno;
-		zcurveparticles_start = start;
-	}
-	else
-		WriteShort(MSG_BROADCAST, zcurveparticles_spd);
-	WriteCoord(MSG_BROADCAST, end_x);
-	WriteCoord(MSG_BROADCAST, end_y);
-	WriteCoord(MSG_BROADCAST, end_z);
-	WriteCoord(MSG_BROADCAST, end_dz);
-	zcurveparticles_spd = spd;
-}
-
-void zcurveparticles_from_tracetoss(float effectno, vector start, vector end, vector vel)
-{
-	float end_dz;
-	vector vecxy, velxy;
-
-	vecxy = end - start;
-	vecxy_z = 0;
-	velxy = vel;
-	velxy_z = 0;
-
-	if (vlen(velxy) < 0.000001 * fabs(vel_z))
-	{
-		endzcurveparticles();
-		trailparticles(world, effectno, start, end);
-		return;
-	}
-
-	end_dz = vlen(vecxy) / vlen(velxy) * vel_z - (end_z - start_z);
-	zcurveparticles(effectno, start, end, end_dz, vlen(vel));
-}
-
 void write_recordmarker(entity pl, float tstart, float dt)
 {
     GameLogEcho(strcat(":recordset:", ftos(pl.playerid), ":", ftos(dt)));
-- 
2.39.2