From 191d3bab77261d1e17af60739a191e43b398ac3a Mon Sep 17 00:00:00 2001
From: Mario <mario.mario@y7mail.com>
Date: Mon, 21 Oct 2024 20:04:57 +0000
Subject: [PATCH] Add Spawn Unique mutator to prevent spawning at the same
 spawn point twice in a row

---
 mutators.cfg                                  |  5 ++++
 qcsrc/common/mutators/mutator/_mod.inc        |  1 +
 qcsrc/common/mutators/mutator/_mod.qh         |  1 +
 .../mutators/mutator/spawn_unique/_mod.inc    |  4 ++++
 .../mutators/mutator/spawn_unique/_mod.qh     |  4 ++++
 .../mutator/spawn_unique/sv_spawn_unique.qc   | 23 +++++++++++++++++++
 .../mutator/spawn_unique/sv_spawn_unique.qh   |  5 ++++
 7 files changed, 43 insertions(+)
 create mode 100644 qcsrc/common/mutators/mutator/spawn_unique/_mod.inc
 create mode 100644 qcsrc/common/mutators/mutator/spawn_unique/_mod.qh
 create mode 100644 qcsrc/common/mutators/mutator/spawn_unique/sv_spawn_unique.qc
 create mode 100644 qcsrc/common/mutators/mutator/spawn_unique/sv_spawn_unique.qh

diff --git a/mutators.cfg b/mutators.cfg
index 7bf69658d..61e19ccb2 100644
--- a/mutators.cfg
+++ b/mutators.cfg
@@ -551,3 +551,8 @@ set g_pinata_offhand 0 "if enabled, the second weapon will drop as well while du
 // =========
 set g_cloaked 0 "display all players mostly invisible"
 set g_balance_cloaked_alpha 0.25 "opacity of cloaked players"
+
+// ==============
+//  spawn unique
+// ==============
+set g_spawn_unique 0 "players cannot spawn at the same point twice in a row"
diff --git a/qcsrc/common/mutators/mutator/_mod.inc b/qcsrc/common/mutators/mutator/_mod.inc
index 924e442f3..d07e3eae5 100644
--- a/qcsrc/common/mutators/mutator/_mod.inc
+++ b/qcsrc/common/mutators/mutator/_mod.inc
@@ -34,6 +34,7 @@
 #include <common/mutators/mutator/running_guns/_mod.inc>
 #include <common/mutators/mutator/sandbox/_mod.inc>
 #include <common/mutators/mutator/spawn_near_teammate/_mod.inc>
+#include <common/mutators/mutator/spawn_unique/_mod.inc>
 #include <common/mutators/mutator/stale_move_negation/_mod.inc>
 #include <common/mutators/mutator/status_effects/_mod.inc>
 #include <common/mutators/mutator/superspec/_mod.inc>
diff --git a/qcsrc/common/mutators/mutator/_mod.qh b/qcsrc/common/mutators/mutator/_mod.qh
index ad45ec8c9..be1ed7f13 100644
--- a/qcsrc/common/mutators/mutator/_mod.qh
+++ b/qcsrc/common/mutators/mutator/_mod.qh
@@ -34,6 +34,7 @@
 #include <common/mutators/mutator/running_guns/_mod.qh>
 #include <common/mutators/mutator/sandbox/_mod.qh>
 #include <common/mutators/mutator/spawn_near_teammate/_mod.qh>
+#include <common/mutators/mutator/spawn_unique/_mod.qh>
 #include <common/mutators/mutator/stale_move_negation/_mod.qh>
 #include <common/mutators/mutator/status_effects/_mod.qh>
 #include <common/mutators/mutator/superspec/_mod.qh>
diff --git a/qcsrc/common/mutators/mutator/spawn_unique/_mod.inc b/qcsrc/common/mutators/mutator/spawn_unique/_mod.inc
new file mode 100644
index 000000000..7bb6d977d
--- /dev/null
+++ b/qcsrc/common/mutators/mutator/spawn_unique/_mod.inc
@@ -0,0 +1,4 @@
+// genmod.sh autogenerated file; do not modify
+#ifdef SVQC
+	#include <common/mutators/mutator/spawn_unique/sv_spawn_unique.qc>
+#endif
diff --git a/qcsrc/common/mutators/mutator/spawn_unique/_mod.qh b/qcsrc/common/mutators/mutator/spawn_unique/_mod.qh
new file mode 100644
index 000000000..c19bd6a56
--- /dev/null
+++ b/qcsrc/common/mutators/mutator/spawn_unique/_mod.qh
@@ -0,0 +1,4 @@
+// genmod.sh autogenerated file; do not modify
+#ifdef SVQC
+	#include <common/mutators/mutator/spawn_unique/sv_spawn_unique.qh>
+#endif
diff --git a/qcsrc/common/mutators/mutator/spawn_unique/sv_spawn_unique.qc b/qcsrc/common/mutators/mutator/spawn_unique/sv_spawn_unique.qc
new file mode 100644
index 000000000..2d32c51c9
--- /dev/null
+++ b/qcsrc/common/mutators/mutator/spawn_unique/sv_spawn_unique.qc
@@ -0,0 +1,23 @@
+#include "sv_spawn_unique.qh"
+
+REGISTER_MUTATOR(spawn_unique, expr_evaluate(autocvar_g_spawn_unique));
+
+MUTATOR_HOOKFUNCTION(spawn_unique, Spawn_Score)
+{
+	entity player = M_ARGV(0, entity);
+	entity spawn_spot = M_ARGV(1, entity);
+	vector spawn_score = M_ARGV(2, vector);
+
+	if(spawn_spot == player.su_last_point)
+		spawn_score.x = 0.1; // extremely low priority but still selectable
+
+	M_ARGV(2, vector) = spawn_score;
+}
+
+MUTATOR_HOOKFUNCTION(spawn_unique, PlayerSpawn)
+{
+	entity player = M_ARGV(0, entity);
+	entity spawn_spot = M_ARGV(1, entity);
+
+	player.su_last_point = spawn_spot;
+}
diff --git a/qcsrc/common/mutators/mutator/spawn_unique/sv_spawn_unique.qh b/qcsrc/common/mutators/mutator/spawn_unique/sv_spawn_unique.qh
new file mode 100644
index 000000000..fd4d5ee8d
--- /dev/null
+++ b/qcsrc/common/mutators/mutator/spawn_unique/sv_spawn_unique.qh
@@ -0,0 +1,5 @@
+#pragma once
+
+string autocvar_g_spawn_unique;
+
+.entity su_last_point;
-- 
2.39.2