From 743d7a33d0d9d1fce1bcc73074538ed9ce721b80 Mon Sep 17 00:00:00 2001
From: Marco Hladik <marco@icculus.org>
Date: Sun, 2 Aug 2020 15:21:35 +0200
Subject: [PATCH] Half-Life: Add support for player respawns when coop is 1, as
 well as custom player model support in coop.

---
 src/gs-entbase/server/basemonster.cpp       |  5 +--
 src/server/valve/gamerules_singleplayer.cpp | 38 +++++++++++++++++----
 2 files changed, 33 insertions(+), 10 deletions(-)

diff --git a/src/gs-entbase/server/basemonster.cpp b/src/gs-entbase/server/basemonster.cpp
index f78a5744..7a0d5b71 100644
--- a/src/gs-entbase/server/basemonster.cpp
+++ b/src/gs-entbase/server/basemonster.cpp
@@ -459,10 +459,7 @@ CBaseMonster::Physics(void)
 	input_timelength = frametime;
 
 	/* override whatever we did above with this */
-	if (m_iSequenceState == SEQUENCESTATE_IDLE) {
-		input_angles = angles = v_angle = m_vecSequenceAngle;
-		SetFrame(m_flSequenceEnd);
-	} else if (m_iSequenceState == SEQUENCESTATE_ENDING) {
+	if (m_iSequenceState == SEQUENCESTATE_ENDING) {
 		input_angles = angles = v_angle = m_vecSequenceAngle;
 		SetFrame(m_flSequenceEnd);
 	} else if (movetype == MOVETYPE_WALK) {
diff --git a/src/server/valve/gamerules_singleplayer.cpp b/src/server/valve/gamerules_singleplayer.cpp
index 9beb85cf..ce23a36f 100644
--- a/src/server/valve/gamerules_singleplayer.cpp
+++ b/src/server/valve/gamerules_singleplayer.cpp
@@ -21,16 +21,30 @@ HLSingleplayerRules::PlayerDeath(base_player pl)
 	pl.solid = SOLID_NOT;
 	pl.takedamage = DAMAGE_NO;
 	pl.flags &= ~FL_FLASHLIGHT;
-	pl.armor = pl.activeweapon = pl.g_items = 0;
+	pl.armor = pl.activeweapon = pl.g_items = pl.weapon = 0;
+	pl.health = 0;
 	Sound_Play(pl, CHAN_AUTO, "player.die");
 
-	if (pl.health < -50) {
-		pl.health = 0;
-		FX_GibHuman(pl.origin);
-		return;
+	if (cvar("coop") == 1) {
+		pl.think = PutClientInServer;
+		pl.nextthink = time + 4.0f;
 	}
 
-	pl.health = 0;
+	if (pl.health < -50) {
+		FX_GibHuman(pl.origin);
+	}
+
+	/* Let's handle corpses on the clientside */
+	entity corpse = spawn();
+	setorigin(corpse, pl.origin + [0,0,32]);
+	setmodel(corpse, pl.model);
+	setsize(corpse, VEC_HULL_MIN, VEC_HULL_MAX);
+	corpse.movetype = MOVETYPE_TOSS;
+	corpse.solid = SOLID_TRIGGER;
+	corpse.modelindex = pl.modelindex;
+	corpse.frame = ANIM_DIESIMPLE;
+	corpse.angles = pl.angles;
+	corpse.velocity = pl.velocity;
 }
 
 void
@@ -44,6 +58,18 @@ HLSingleplayerRules::PlayerSpawn(base_player pl)
 	pl.flags = FL_CLIENT;
 	pl.viewzoom = 1.0;
 	pl.model = "models/player.mdl";
+
+
+	if (cvar("coop") == 1) {
+		string mymodel = infokey(pl, "model");
+		if (mymodel) {
+			mymodel = sprintf("models/player/%s/%s.mdl", mymodel, mymodel);
+			if (whichpack(mymodel)) {
+				pl.model = mymodel;
+			}
+		}
+	}
+
 	setmodel(pl, pl.model);
 
 	setsize(pl, VEC_HULL_MIN, VEC_HULL_MAX);