introduced BlumenLumen_CustomUpdate and Init as proxies for an eventual user space system

src/app/blumen_lumen.cpp

@@ -0,0 +1,57 @@
+//
+// File: blumen_lumen.cpp
+// Author: Peter Slattery
+// Creation Date: 2021-01-23
+//
+#ifndef BLUMEN_LUMEN_CPP
+
+struct foo_
+{
+    u32 Heyo;
+};
+
+internal gs_data
+BlumenLumen_CustomInit(app_state* State, context Context)
+{
+    // This is memory for any custom data that we want to use
+    // as a part of a particular sculpture.
+    // By returning it from here, it will be sent as an argument to
+    // the sculpture's CustomUpdate function;
+    gs_data Result = {};
+    
+    Result = PushSizeToData(&State->Permanent, sizeof(foo_));
+    foo_* MyFoo = (foo_*)Result.Memory;
+    MyFoo->Heyo = 5;
+    
+    { // Animation PLAYGROUND
+        
+        animation Anim = {0};
+        Anim.Name = PushStringF(&State->Permanent, 256, "test_anim_one");
+        Anim.Layers = AnimLayerArray_Create(State->AnimationSystem.Storage, 8);
+        Anim.Blocks_ = AnimBlockArray_Create(State->AnimationSystem.Storage, 8);
+        Anim.PlayableRange.Min = 0;
+        Anim.PlayableRange.Max = SecondsToFrames(15, State->AnimationSystem);
+        Animation_AddLayer(&Anim, MakeString("Base Layer"), BlendMode_Overwrite, &State->AnimationSystem);
+        Animation_AddLayer(&Anim, MakeString("Color Layer"), BlendMode_Multiply, &State->AnimationSystem);
+        Animation_AddLayer(&Anim, MakeString("Sparkles"), BlendMode_Add, &State->AnimationSystem);
+        
+        Animation_AddBlock(&Anim, 0, Anim.PlayableRange.Max, Patterns_IndexToHandle(5), 0);
+        
+        AnimationArray_Push(&State->AnimationSystem.Animations, Anim);
+        
+        State->AnimationSystem.TimelineShouldAdvance = true;
+    } // End Animation Playground
+    
+    return Result;
+}
+
+internal void
+BlumenLumen_CustomUpdate(gs_data UserData, app_state* State, context* Context)
+{
+    foo_* MyFoo = (foo_*)UserData.Memory;
+    Assert(MyFoo->Heyo == 5);
+}
+
+
+#define BLUMEN_LUMEN_CPP
+#endif // BLUMEN_LUMEN_CPP

src/app/foldhaus_app.cpp

@@ -90,29 +90,12 @@ INITIALIZE_APPLICATION(InitializeApplication)
     LoadAssembly(&State->Assemblies, &State->LedSystem, State->Transient, Context, SculpturePath, State->GlobalLog);
 #endif
     
-    { // Animation PLAYGROUND
     State->AnimationSystem = {};
     State->AnimationSystem.Storage = &State->Permanent;
     State->AnimationSystem.Animations = AnimationArray_Create(State->AnimationSystem.Storage, 32);
-        
     State->AnimationSystem.SecondsPerFrame = 1.f / 24.f;
     
-        animation Anim = {0};
+    State->UserData = BlumenLumen_CustomInit(State, Context);
-        Anim.Name = PushStringF(&State->Permanent, 256, "test_anim_one");
-        Anim.Layers = AnimLayerArray_Create(State->AnimationSystem.Storage, 8);
-        Anim.Blocks_ = AnimBlockArray_Create(State->AnimationSystem.Storage, 8);
-        Anim.PlayableRange.Min = 0;
-        Anim.PlayableRange.Max = SecondsToFrames(15, State->AnimationSystem);
-        Animation_AddLayer(&Anim, MakeString("Base Layer"), BlendMode_Overwrite, &State->AnimationSystem);
-        Animation_AddLayer(&Anim, MakeString("Color Layer"), BlendMode_Multiply, &State->AnimationSystem);
-        Animation_AddLayer(&Anim, MakeString("Sparkles"), BlendMode_Add, &State->AnimationSystem);
-        
-        Animation_AddBlock(&Anim, 0, Anim.PlayableRange.Max, Patterns_IndexToHandle(5), 0);
-        
-        AnimationArray_Push(&State->AnimationSystem.Animations, Anim);
-        
-        State->AnimationSystem.TimelineShouldAdvance = true;
-    } // End Animation Playground
 }
 
 UPDATE_AND_RENDER(UpdateAndRender)
@@ -139,6 +122,8 @@ UPDATE_AND_RENDER(UpdateAndRender)
                                            State->UserData.Memory);
     }
     
+    BlumenLumen_CustomUpdate(State->UserData, State, Context);
+    
     AssemblyDebug_OverrideOutput(State->AssemblyDebugState,
                                  State->Assemblies,
                                  State->LedSystem);

src/app/foldhaus_app.h

@@ -78,6 +78,7 @@ internal void OpenColorPicker(app_state* State, v4* Address);
 #include "engine/assembly/foldhaus_assembly.cpp"
 
 #include "patterns/blumen_patterns.h"
+#include "blumen_lumen.cpp"
 
 internal void
 EndCurrentOperationMode(app_state* State)