deallocate pipeline in renderer on pipeline destroy

engine/src/renderer/3d/pipeline/dynamic/dynamic_pipeline.cpp

@@ -17,7 +17,9 @@ const u32 DynamicPipeline::halfBuffersCount = buffersCount / 2;
 
 DynamicPipeline::DynamicPipeline() {}
 
-DynamicPipeline::~DynamicPipeline() {}
+DynamicPipeline::~DynamicPipeline() {
+  if (onDestroy) onDestroy(this);
+}
 
 void DynamicPipeline::setRenderer(RendererCore* t_core) {
   rendererCore = t_core;

engine/src/renderer/3d/pipeline/minecraft/minecraft_pipeline.cpp

@@ -21,6 +21,7 @@ MinecraftPipeline::MinecraftPipeline() {
 }
 
 MinecraftPipeline::~MinecraftPipeline() {
+  if (onDestroy) onDestroy(this);
   if (bbox) {
     delete bbox;
   }

engine/src/renderer/3d/pipeline/static/static_pipeline.cpp

@@ -15,7 +15,9 @@ namespace Tyra {
 
 StaticPipeline::StaticPipeline() {}
 
-StaticPipeline::~StaticPipeline() {}
+StaticPipeline::~StaticPipeline() {
+  if (onDestroy) onDestroy(this);
+}
 
 void StaticPipeline::setRenderer(RendererCore* t_core) {
   rendererCore = t_core;

engine/src/renderer/3d/renderer_3d.cpp

@@ -21,8 +21,17 @@ void Renderer3D::usePipeline(Renderer3DPipeline* pipeline) {
   if (currentPipeline != pipeline) {
     if (currentPipeline) currentPipeline->onUseEnd();
     currentPipeline = pipeline;
+    currentPipeline->onDestroy =
+        std::bind(&Renderer3D::onDestroy, this, std::placeholders::_1);
     currentPipeline->onUse();
   }
 }
 
+void Renderer3D::onDestroy(Renderer3DPipeline* pipeline) {
+  if (currentPipeline == pipeline) {
+    currentPipeline->onUseEnd();
+    currentPipeline = nullptr;
+  }
+}
+
 }  // namespace Tyra