Simplify drawFunctionOnLayer functions

Author: Zephiles

ttyd-tools/rel/source/draw.cpp

@@ -85,41 +85,25 @@ bool fontDrawMessageMtxHandleCommand(const char *command, const char *commandVal
 void drawFunctionOnDebugLayer(void (*func)())
 {
     ttyd::dispdrv::dispEntry(ttyd::dispdrv::CameraId::kDebug3d, 2, 0.f, 
-        [](ttyd::dispdrv::CameraId cameraId, void *user)
-    {
-        (void)cameraId;
-        reinterpret_cast<void (*)()>(user)();
-    }, reinterpret_cast<void *>(func));
+        reinterpret_cast<ttyd::dispdrv::PFN_dispCallback>(func), nullptr);
 }
 
 void drawFunctionOnDebugLayerWithOrder(void (*func)(), float order)
 {
     ttyd::dispdrv::dispEntry(ttyd::dispdrv::CameraId::kDebug3d, 2, order, 
-        [](ttyd::dispdrv::CameraId cameraId, void *user)
-    {
-        (void)cameraId;
-        reinterpret_cast<void (*)()>(user)();
-    }, reinterpret_cast<void *>(func));
+        reinterpret_cast<ttyd::dispdrv::PFN_dispCallback>(func), nullptr);
 }
 
 void drawFunctionOn2DLayer(void (*func)())
 {
     ttyd::dispdrv::dispEntry(ttyd::dispdrv::CameraId::k2d, 2, 0.f, 
-        [](ttyd::dispdrv::CameraId cameraId, void *user)
-    {
-        (void)cameraId;
-        reinterpret_cast<void (*)()>(user)();
-    }, reinterpret_cast<void *>(func));
+        reinterpret_cast<ttyd::dispdrv::PFN_dispCallback>(func), nullptr);
 }
 
 void drawFunctionOn2DLayerWithOrder(void (*func)(), float order)
 {
     ttyd::dispdrv::dispEntry(ttyd::dispdrv::CameraId::k2d, 2, order, 
-        [](ttyd::dispdrv::CameraId cameraId, void *user)
-    {
-        (void)cameraId;
-        reinterpret_cast<void (*)()>(user)();
-    }, reinterpret_cast<void *>(func));
+        reinterpret_cast<ttyd::dispdrv::PFN_dispCallback>(func), nullptr);
 }
 
 void drawMenuWindow()