From 4e62e833a3d7c2174c135edb3fca0ff0209b26df Mon Sep 17 00:00:00 2001
From: Marco Hladik <marco@icculus.org>
Date: Fri, 8 Apr 2022 12:37:45 -0700
Subject: [PATCH] CGameRules: Add method bool PlayerCanAttack(base_player)

---
 base/src/client/viewmodel.qc |  8 ++++++++
 src/server/gamerules.h       |  1 +
 src/server/gamerules.qc      | 17 +++++++++++++++++
 3 files changed, 26 insertions(+)

diff --git a/base/src/client/viewmodel.qc b/base/src/client/viewmodel.qc
index a562ea5e..7d0e7dfa 100644
--- a/base/src/client/viewmodel.qc
+++ b/base/src/client/viewmodel.qc
@@ -123,6 +123,14 @@ Viewmodel_ApplyBob(entity gun)
 	sprint = 20 * pSeatLocal->m_flSprintLerp;
 	gun.angles[0] += sprint;
 	gun.angles[1] += sprint + (sprint * pViewBob->m_flBob) * 0.25f;
+
+	if (pSeat->m_ePlayer.gflags & GF_IS_HEALING) {
+		pSeatLocal->m_flHealLerp = bound(0.0f, pSeatLocal->m_flHealLerp + clframetime, 1.0f);
+	} else {
+		pSeatLocal->m_flHealLerp = bound(0.0f, pSeatLocal->m_flHealLerp - clframetime, 1.0f);
+	}
+	gun.angles[0] += pSeatLocal->m_flHealLerp * 45;
+	gun.origin[2] -= pSeatLocal->m_flHealLerp * 5;
 #endif
 
 	gun.angles[0] += strength * sintime;
diff --git a/src/server/gamerules.h b/src/server/gamerules.h
index 74b7e477..dc0e1bd3 100644
--- a/src/server/gamerules.h
+++ b/src/server/gamerules.h
@@ -37,6 +37,7 @@ class CGameRules
 	virtual void(base_player) PlayerPostFrame;
 	virtual void(base_player) PlayerDeath;
 	virtual void(base_player) PlayerPain;
+	virtual bool(base_player) PlayerCanAttack;
 
 	/* level transitions */
 	virtual void(void) LevelNewParms;
diff --git a/src/server/gamerules.qc b/src/server/gamerules.qc
index e415230c..ed5906e7 100644
--- a/src/server/gamerules.qc
+++ b/src/server/gamerules.qc
@@ -221,6 +221,17 @@ CGameRules::DamageApply(entity t, entity c, float dmg, int w, damageType_t type)
 	if (eTarget.flags & FL_CLIENT) {
 		base_player tp = (base_player)t;
 
+		/* don't allow any damage */
+		if (PlayerCanAttack(tp) == false) {
+			g_dmg_eAttacker = c;
+			g_dmg_eTarget = t;
+			g_dmg_iDamage = 0;
+			g_dmg_iHitBody = 0;
+			g_dmg_iFlags = type;
+			g_dmg_iWeapon = w;
+			return;
+		}
+
 		/* skip armor */
 		if not (type & DMG_SKIP_ARMOR)
 		if (tp.armor && dmg > 0) {
@@ -387,3 +398,9 @@ Gamerules_IsTeamPlay(void)
 {
 	return (g_grMode.IsTeamPlay()) ? TRUE : FALSE;
 }
+
+bool
+CGameRules::PlayerCanAttack(base_player bp)
+{
+	return true;
+}
\ No newline at end of file