From 0f4679981b575cc76158126dec7d9bdda3ba1c29 Mon Sep 17 00:00:00 2001
From: Chris Robinson <chris.kcat@gmail.com>
Date: Fri, 15 Jul 2022 06:14:25 -0700
Subject: Allocate EffectSlots in clusters

---
 core/context.cpp | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'core/context.cpp')

diff --git a/core/context.cpp b/core/context.cpp
index 39fd8522..111802d9 100644
--- a/core/context.cpp
+++ b/core/context.cpp
@@ -136,3 +136,24 @@ void ContextBase::allocVoices(size_t addcount)
         delete oldvoices;
     }
 }
+
+
+EffectSlot *ContextBase::getEffectSlot()
+{
+    for(auto& cluster : mEffectSlotClusters)
+    {
+        for(size_t i{0};i < EffectSlotClusterSize;++i)
+        {
+            if(!cluster[i].InUse)
+                return &cluster[i];
+        }
+    }
+
+    if(1 >= std::numeric_limits<int>::max()/EffectSlotClusterSize - mEffectSlotClusters.size())
+        throw std::runtime_error{"Allocating too many effect slots"};
+    const size_t totalcount{(mEffectSlotClusters.size()+1) * EffectSlotClusterSize};
+    TRACE("Increasing allocated effect slots to %zu\n", totalcount);
+
+    mEffectSlotClusters.emplace_back(std::make_unique<EffectSlot[]>(EffectSlotClusterSize));
+    return getEffectSlot();
+}
-- 
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