From ecf5988584059d99975bc580d9094fc24c9880aa Mon Sep 17 00:00:00 2001
From: Marco Cawthorne <marco@vera-visions.com>
Date: Mon, 14 Nov 2022 19:50:23 -0800
Subject: [PATCH] PropData: Breakmodels now spawn fully client-side! This will
 remove a lot of network overhead.

---
 src/client/event.qc              |  3 ++
 src/shared/NSRenderableEntity.qc |  4 ++
 src/shared/events.h              |  1 +
 src/shared/propdata.h            |  6 +++
 src/shared/propdata.qc           | 68 +++++++++++++++++++++++++++-----
 5 files changed, 72 insertions(+), 10 deletions(-)

diff --git a/src/client/event.qc b/src/client/event.qc
index 9be4d774..b8ff24bb 100644
--- a/src/client/event.qc
+++ b/src/client/event.qc
@@ -135,6 +135,9 @@ Event_Parse(float type)
 		pSeat->m_flShakeFreq = readfloat();
 		pSeat->m_flShakeTime = pSeat->m_flShakeDuration;
 		break;
+	case EV_BREAKMODEL:
+		BreakModel_Receive();
+		break;
 	default:
 		error("event not recognized. abort immediately.\n");
 	}
diff --git a/src/shared/NSRenderableEntity.qc b/src/shared/NSRenderableEntity.qc
index 5ba4eb2a..bbd9e508 100644
--- a/src/shared/NSRenderableEntity.qc
+++ b/src/shared/NSRenderableEntity.qc
@@ -548,6 +548,10 @@ void
 NSRenderableEntity::SetBody(int newBody)
 {
 	m_iBody = newBody;
+
+#ifdef CLIENT
+	setcustomskin(this, "", sprintf("geomset 0 %i\ngeomset 1 %i\n", m_iBody, m_iBody));
+#endif
 }
 
 void
diff --git a/src/shared/events.h b/src/shared/events.h
index 1adb854c..1ab702f1 100644
--- a/src/shared/events.h
+++ b/src/shared/events.h
@@ -51,5 +51,6 @@ enum
 	EV_CLEARDECALS,
 	EV_SURFIMPACT,
 	EV_DECALGROUP,
+	EV_BREAKMODEL,
 	EV_SEPARATOR
 };
diff --git a/src/shared/propdata.h b/src/shared/propdata.h
index f9366969..71eb07df 100644
--- a/src/shared/propdata.h
+++ b/src/shared/propdata.h
@@ -128,7 +128,13 @@ breakmodel_t *g_breakmodel;
 int g_breakmodel_count;
 var hashtable g_hashbreakmodel;
 
+
+#ifdef CLIENT
+void BreakModel_SpawnID(vector smins, vector smaxs, vector dir, float speed, int count, int index);
+void BreakModel_Receive(void);
+#else
 void BreakModel_Spawn(vector pos, vector dir, vector spread, float speed, int count, string type);
+#endif
 
 /* necessary API functions */
 //void BreakModel_Init(void);
diff --git a/src/shared/propdata.qc b/src/shared/propdata.qc
index 60ddc09c..1a164c8d 100644
--- a/src/shared/propdata.qc
+++ b/src/shared/propdata.qc
@@ -485,17 +485,10 @@ PropData_Finish(void)
 }
 
 /* BreakModel related helper API */
+#ifdef CLIENT
 void
-BreakModel_Spawn(vector smins, vector smaxs, vector dir, float speed, int count, string type)
+BreakModel_SpawnID(vector smins, vector smaxs, vector dir, float speed, int count, int index)
 {
-	int index;
-	index = (int)hash_get(g_hashbreakmodel, type, -1);
-
-	if (index < 0) {
-		crossprint(sprintf("^1BreakModel_Spawn: type %s is not defined\n", type));
-		return;
-	}
-
 	float x = tokenize(g_breakmodel[index].data);
 	int modelcount = x / 2;
 
@@ -591,4 +584,59 @@ BreakModel_Spawn(vector smins, vector smaxs, vector dir, float speed, int count,
 		/* re-calculate the tokenization */
 		x = tokenize(g_breakmodel[index].data);
 	}
-}
\ No newline at end of file
+}
+
+void
+BreakModel_Receive(void)
+{
+	vector smins, smaxs, dir;
+	float speed;
+	int count;
+	int index;
+
+	index = readbyte();
+	smins[0] = readcoord();
+	smins[1] = readcoord();
+	smins[2] = readcoord();
+
+	smaxs[0] = readcoord();
+	smaxs[1] = readcoord();
+	smaxs[2] = readcoord();
+
+	dir[0] = readcoord();
+	dir[1] = readcoord();
+	dir[2] = readcoord();
+
+	speed = readfloat();
+	count = readbyte();
+
+	BreakModel_SpawnID(smins, smaxs, dir, speed, count, index);
+}
+
+#else
+void
+BreakModel_Spawn(vector smins, vector smaxs, vector dir, float speed, int count, string type)
+{
+	int index;
+	index = (int)hash_get(g_hashbreakmodel, type, -1);
+
+	if (index == -1)
+		return;
+
+	WriteByte(MSG_MULTICAST, SVC_CGAMEPACKET);
+	WriteByte(MSG_MULTICAST, EV_BREAKMODEL);
+	WriteByte(MSG_MULTICAST, index);
+	WriteCoord(MSG_MULTICAST, smins[0]);
+	WriteCoord(MSG_MULTICAST, smins[1]);
+	WriteCoord(MSG_MULTICAST, smins[2]);
+	WriteCoord(MSG_MULTICAST, smaxs[0]);
+	WriteCoord(MSG_MULTICAST, smaxs[1]);
+	WriteCoord(MSG_MULTICAST, smaxs[2]);
+	WriteCoord(MSG_MULTICAST, dir[0]);
+	WriteCoord(MSG_MULTICAST, dir[1]);
+	WriteCoord(MSG_MULTICAST, dir[2]);
+	WriteFloat(MSG_MULTICAST, speed);
+	WriteByte(MSG_MULTICAST, count);
+	multicast((smins - smaxs), MULTICAST_PVS);
+}
+#endif
\ No newline at end of file