Entity rework (#74)

* Splitting Node into Entity/Node.

* Updates to `=destroy` hooks with new Nim version.

* Fixed test imports.

src/shadepkg/game/ui/textbox.nim

@@ -19,7 +19,7 @@ type
 
   TextBox* = ref TextBoxObj
 
-proc `=destroy`(this: var TextBoxObj)
+proc `=destroy`(this: TextBoxObj)
 
 proc initTextBox*(
   textBox: TextBox,
@@ -81,7 +81,7 @@ TextBox.renderAsEntityChild:
     this.scale.y
   )
 
-proc `=destroy`(this: var TextBoxObj) =
+proc `=destroy`(this: TextBoxObj) =
   if this.imageOfText != nil:
     freeImage(this.imageOfText)
 

src/shadepkg/ui/ui_image.nim

@@ -31,7 +31,7 @@ type
 proc `scale=`*(this: UIImage, scale: Vector)
 method getImageViewport*(this: UIImage): Rect {.base.}
 
-proc `=destroy`(this: var UIImageObj) =
+proc `=destroy`(this: UIImageObj) =
   if this.image != nil:
     freeImage(this.image)
 

src/shadepkg/ui/ui_text.nim

@@ -21,7 +21,7 @@ type
   UITextComponent* = ref UITextComponentObj
 
 proc determineWidthAndHeight*(this: UITextComponent)
-proc `=destroy`(this: var UITextComponentObj) =
+proc `=destroy`(this: UITextComponentObj) =
   if this.imageOfText != nil:
     freeImage(this.imageOfText)
 

tests/shade/collisionshape_test.nim

@@ -1,6 +1,4 @@
-import
-  nimtest,
-  shade
+import ../../src/shade, nimtest
 
 describe "CollisionShape tests":
 

tests/shade/math/aabb_test.nim

@@ -1,6 +1,4 @@
-import
-  shade,
-  nimtest
+import ../../../src/shade, nimtest
 
 describe "AABB":