start checking all instance functions

projects/core/src/debugger/gryphn_debugger.h

@@ -35,7 +35,7 @@ typedef enum gnDebuggerLayer {
 } gnDebuggerLayer;
 
 typedef struct gnDebuggerInfo {
-    gnDebuggerCallback callback;
+    gnDebuggerCallback callback; // instance callback cannot be null
     void* userData;
 
     uint32_t layerCount;

projects/core/src/instance/gryphn_instance.c

@@ -8,13 +8,23 @@ gnReturnCode gnCreateInstance(gnInstanceHandle* instance, gnInstanceInfo info) {
 
     (*instance)->layers = loaderLayerArrayListCreate();
 
-    // load the API layers (this will)
-    loaderInfo loadInfo = {
+    loaderLayerArrayListAdd(&(*instance)->layers, loadLayer((loaderInfo){
         .api = info.renderingAPI,
         .layerToLoad = api_layer
-    };
+    }));
 
-    loaderLayerArrayListAdd(&(*instance)->layers, loadLayer(loadInfo));
+    loaderLayerArrayListAdd(&(*instance)->layers, loadLayer((loaderInfo){
+        .api = info.renderingAPI,
+        .layerToLoad = function_checker_layer
+    }));
+
+    loaderLayerArrayListAdd(&(*instance)->layers, loadLayer((loaderInfo){
+        .api = info.renderingAPI,
+        .layerToLoad = function_checker_layer
+    }));
+
+    (*instance)->currentLayer = ((*instance)->layers.count - 1);
+    for (int i = 0; i < (*instance)->layers.count; i++) (*instance)->layers.data[i].layerIndex = i;
 
     // i hate this line of code but im not fixing it
     (*instance)->callingLayer = &(*instance)->layers.data[(*instance)->layers.count - 1];

projects/core/src/instance/gryphn_instance.h

@@ -23,6 +23,7 @@ struct gnInstance_t {
 
     loaderLayerArrayList layers;
     loaderLayer* callingLayer;
+    uint32_t currentLayer;
 
     gnDebuggerHandle debugger;
 };