From 846a4c0fb4c8b973f91ea927a98a74b8de9c0dfe Mon Sep 17 00:00:00 2001
From: Jonathan Bradley <jcb@pikum.xyz>
Date: Thu, 18 Sep 2025 15:32:23 -0400
Subject: pke-at: add runtime flags

---
 src/level-main.cpp      | 8 +++++++-
 src/pke-at-settings.hpp | 7 +++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/level-main.cpp b/src/level-main.cpp
index 26618e4..ccfa060 100644
--- a/src/level-main.cpp
+++ b/src/level-main.cpp
@@ -30,10 +30,16 @@ void pke_at_level_main_init() {
 	g_at.mtrnm.beep = pke_at_audio_get_or_generate_sawtooth(440.f, 0.30);
 	g_at.mtrnm.beep_accent = pke_at_audio_get_or_generate_sawtooth(440.f * (3/2.f), 0.30);
 	pke_audio_set_volume(pke_audio_source_sfx, 0.25);
+	g_at.rt.flags = PKE_AT_RUNTIME_FLAG_NONE;
 }
 
 void pke_at_level_main_tick(double delta) {
-	(void)delta;
+	if (!PK_HAS_FLAG(g_at.rt.flags, PKE_AT_RUNTIME_FLAG_PLAYING)) {
+		return;
+	}
+	if (PK_HAS_FLAG(g_at.rt.flags, PKE_AT_RUNTIME_FLAG_PAUSED)) {
+		return;
+	}
 	g_at.bpm.delta_since_last_beat += delta;
 	if (g_at.bpm.lerp_delta <= g_at.bpm.lerp_delta_duration) {
 		g_at.bpm.lerp_delta += delta;
diff --git a/src/pke-at-settings.hpp b/src/pke-at-settings.hpp
index 7d89e51..f3a8e9b 100644
--- a/src/pke-at-settings.hpp
+++ b/src/pke-at-settings.hpp
@@ -4,6 +4,12 @@
 #include "pke/asset-manager.hpp"
 #include "pke/pk.h"
 
+enum PKE_AT_RUNTIME_FLAGS : uint8_t {
+	PKE_AT_RUNTIME_FLAG_NONE              = 0,
+	PKE_AT_RUNTIME_FLAG_PLAYING           = (1u << 0),
+	PKE_AT_RUNTIME_FLAG_PAUSED            = (1u << 1),
+};
+
 struct pke_at_global_settings {
 	struct pke_at_global_settings_mem {
 		pk_membucket *bkt;
@@ -25,6 +31,7 @@ struct pke_at_global_settings {
 		AssetHandle beep_accent;
 	} mtrnm;
 	struct pke_at_global_settings_rt {
+		PKE_AT_RUNTIME_FLAGS flags;
 	} rt;
 };
 
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