From 671008d7b15fb9fb42ed8e0107ce675fe62a1700 Mon Sep 17 00:00:00 2001
From: Samual <samual@xonotic.org>
Date: Fri, 30 Sep 2011 12:33:33 -0400
Subject: [PATCH] mutator_invincibleproj.qc: Add a mutator (like
 g_rocketflying) which allows projectile damage to be disabled without making
 the server impure

---
 defaultXonotic.cfg                            |  1 +
 .../dialog_multiplayer_create_mutators.c      |  6 +++-
 qcsrc/server/miscfunctions.qc                 |  2 ++
 .../server/mutators/mutator_invincibleproj.qc | 30 +++++++++++++++++++
 qcsrc/server/mutators/mutators.qh             |  1 +
 qcsrc/server/progs.src                        |  1 +
 6 files changed, 40 insertions(+), 1 deletion(-)
 create mode 100644 qcsrc/server/mutators/mutator_invincibleproj.qc

diff --git a/defaultXonotic.cfg b/defaultXonotic.cfg
index 8125db4ec..7aa1317d3 100644
--- a/defaultXonotic.cfg
+++ b/defaultXonotic.cfg
@@ -550,6 +550,7 @@ alias clearmap "disconnect"
 
 set g_grappling_hook 0 "let players spawn with the grappling hook which allows them to pull themselves up"
 
+set g_invincible_projectiles 0 "set to 1 to disable any damage to projectiles in all balance configs, regardless of g_projectiles_damage"
 set g_dodging 0 "set to 1 to enable dodging in games"
 set g_rocket_flying 0 "set to 1 to enable rocket flying in all balance configs"
 
diff --git a/qcsrc/menu/xonotic/dialog_multiplayer_create_mutators.c b/qcsrc/menu/xonotic/dialog_multiplayer_create_mutators.c
index 6b14d1446..2711c57e7 100644
--- a/qcsrc/menu/xonotic/dialog_multiplayer_create_mutators.c
+++ b/qcsrc/menu/xonotic/dialog_multiplayer_create_mutators.c
@@ -72,6 +72,8 @@ string XonoticMutatorsDialog_toString(entity me)
 		s = strcat(s, ", ", _("NIX"));
 	if(cvar("g_rocket_flying"))
 		s = strcat(s, ", ", _("Rocket Flying"));
+	if(cvar("g_invincible_projectiles"))
+		s = strcat(s, ", ", _("Invincible Projectiles"));
 	if(cvar_string("g_weaponarena") != "0")
 		s = strcat(s, ", ", WeaponArenaString());
 	if(cvar("g_start_weapon_laser") == 0)
@@ -191,7 +193,6 @@ void XonoticMutatorsDialog_fill(entity me)
 	me.TR(me);
 		me.TDempty(me, 0.4);
 		me.TD(me, 1, 1.8, s);
-	me.TR(me);
 	me.TR(me);
 		me.TD(me, 1, 2, makeXonoticTextLabel(0, _("Weapon & item mutators:")));
 	me.TR(me);
@@ -200,6 +201,9 @@ void XonoticMutatorsDialog_fill(entity me)
 	me.TR(me);
 		me.TDempty(me, 0.2);
 		me.TD(me, 1, 2, e = makeXonoticCheckBox(0, "g_jetpack", _("Jet pack")));
+	me.TR(me);
+		me.TDempty(me, 0.2);
+		me.TD(me, 1, 2, e = makeXonoticCheckBox(0, "g_invincible_projectiles", _("Invincible Projectiles")));
 	me.TR(me);
 		me.TDempty(me, 0.2);
 		me.TD(me, 1, 2, e = makeXonoticCheckBox(0, "g_rocket_flying", _("Rocket Flying")));
diff --git a/qcsrc/server/miscfunctions.qc b/qcsrc/server/miscfunctions.qc
index 9a848fa46..d79cfa4fc 100644
--- a/qcsrc/server/miscfunctions.qc
+++ b/qcsrc/server/miscfunctions.qc
@@ -1121,6 +1121,8 @@ string GetGametype(); // g_world.qc
 void readlevelcvars(void)
 {
 	// first load all the mutators
+	if(cvar("g_invincible_projectiles"))
+		MUTATOR_ADD(mutator_invincibleprojectiles);
 	if(cvar("g_nix"))
 		MUTATOR_ADD(mutator_nix);
 	if(cvar("g_dodging"))
diff --git a/qcsrc/server/mutators/mutator_invincibleproj.qc b/qcsrc/server/mutators/mutator_invincibleproj.qc
new file mode 100644
index 000000000..d1ab52000
--- /dev/null
+++ b/qcsrc/server/mutators/mutator_invincibleproj.qc
@@ -0,0 +1,30 @@
+MUTATOR_HOOKFUNCTION(invincibleprojectiles_EditProjectile)
+{
+	if(other.health)
+	{
+		// disable health which in effect disables damage calculations
+		other.health = 0;
+	}
+	return 0;
+}
+
+MUTATOR_HOOKFUNCTION(invincibleprojectiles_BuildMutatorsString)
+{
+	ret_string = strcat(ret_string, ":InvincibleProjectiles");
+	return 0;
+}
+
+MUTATOR_HOOKFUNCTION(invincibleprojectiles_BuildMutatorsPrettyString)
+{
+	ret_string = strcat(ret_string, ", Invincible Projectiles");
+	return 0;
+}
+
+MUTATOR_DEFINITION(mutator_invincibleprojectiles)
+{
+	MUTATOR_HOOK(EditProjectile, invincibleprojectiles_EditProjectile, CBC_ORDER_ANY);
+	MUTATOR_HOOK(BuildMutatorsString, invincibleprojectiles_BuildMutatorsString, CBC_ORDER_ANY);
+	MUTATOR_HOOK(BuildMutatorsPrettyString, invincibleprojectiles_BuildMutatorsPrettyString, CBC_ORDER_ANY);
+
+	return 0;
+}
diff --git a/qcsrc/server/mutators/mutators.qh b/qcsrc/server/mutators/mutators.qh
index d9fff4490..1ae28abe5 100644
--- a/qcsrc/server/mutators/mutators.qh
+++ b/qcsrc/server/mutators/mutators.qh
@@ -2,6 +2,7 @@ MUTATOR_DECLARATION(gamemode_keyhunt);
 MUTATOR_DECLARATION(gamemode_freezetag);
 MUTATOR_DECLARATION(gamemode_keepaway);
 
+MUTATOR_DECLARATION(mutator_invincibleprojectiles);
 MUTATOR_DECLARATION(mutator_nix);
 MUTATOR_DECLARATION(mutator_dodging);
 MUTATOR_DECLARATION(mutator_rocketflying);
diff --git a/qcsrc/server/progs.src b/qcsrc/server/progs.src
index c78b9f2fa..3ad4de20c 100644
--- a/qcsrc/server/progs.src
+++ b/qcsrc/server/progs.src
@@ -188,6 +188,7 @@ mutators/base.qc
 mutators/gamemode_keyhunt.qc
 mutators/gamemode_freezetag.qc
 mutators/gamemode_keepaway.qc
+mutators/mutator_invincibleproj.qc
 mutators/mutator_nix.qc
 mutators/mutator_dodging.qc
 mutators/mutator_rocketflying.qc
-- 
2.39.2