From 1824fcd4d87c009c861a72ffb5705ede34dd949c Mon Sep 17 00:00:00 2001
From: Chris <chrisherb.sites@outlook.com>
Date: Mon, 7 Aug 2023 13:44:24 +0200
Subject: [PATCH] optimized voice stealing

---
 synth/voice_allocator.h | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/synth/voice_allocator.h b/synth/voice_allocator.h
index 0f85716..16f58ab 100644
--- a/synth/voice_allocator.h
+++ b/synth/voice_allocator.h
@@ -11,7 +11,7 @@ public:
     std::vector<t_voice> voices;
 
     voice_allocator()
-        : voices(8, t_voice())
+        : voices(4, t_voice())
     {
         // checks whether template derives from ivoice
         typedef t_voice assert_at_compile_time[is_convertible<t_voice>::value ? 1 : -1];
@@ -92,6 +92,7 @@ public:
 
 private:
     std::vector<midi_event> input_queue;
+    int index_to_steal = 0;
 
     t_voice* get_free_voice(float frequency)
     {
@@ -118,7 +119,13 @@ private:
         }
 
         if (free_voice == nullptr) {
-            free_voice = &voices.at(0);
+            free_voice = &voices.at(index_to_steal);
+            
+            if (index_to_steal < voices.size() - 1) {
+                index_to_steal++;
+            } else {
+                index_to_steal = 0;
+            }
         }
 
         return free_voice;
@@ -153,4 +160,4 @@ private:
         }
     }
 };
-}
\ No newline at end of file
+}