--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/semiconginev2/old/scene.nim	Wed Jul 17 21:01:37 2024 +0700
@@ -0,0 +1,85 @@
+import std/tables
+import std/sequtils
+import std/strformat
+import std/hashes
+
+import ./core
+import ./mesh
+import ./material
+
+type
+  Scene* = ref object
+    name*: string
+    shaderGlobals*: Table[string, DataList]
+    meshes*: seq[Mesh]
+    dirtyShaderGlobals: seq[string]
+    loaded*: bool = false
+
+proc Add*(scene: var Scene, mesh: MeshObject) =
+  assert not scene.loaded, &"Scene {scene.name} has already been loaded, cannot add meshes"
+  var tmp = new Mesh
+  tmp[] = mesh
+  scene.meshes.add tmp
+
+proc Add*(scene: var Scene, mesh: Mesh) =
+  assert not scene.loaded, &"Scene {scene.name} has already been loaded, cannot add meshes"
+  assert not mesh.isNil, "Cannot add a mesh that is 'nil'"
+  scene.meshes.add mesh
+
+proc Add*(scene: var Scene, meshes: seq[Mesh]) =
+  assert not scene.loaded, &"Scene {scene.name} has already been loaded, cannot add meshes"
+  for mesh in meshes:
+    assert not mesh.isNil, "Cannot add a mesh that is 'nil'"
+  scene.meshes.add meshes
+
+# generic way to add objects that have a mesh-attribute
+proc Add*[T](scene: var Scene, obj: T) =
+  assert not scene.loaded, &"Scene {scene.name} has already been loaded, cannot add meshes"
+  for name, value in obj.fieldPairs:
+    when typeof(value) is Mesh:
+      assert not value.isNil, "Cannot add a mesh that is 'nil': " & name
+      scene.meshes.add value
+    when typeof(value) is seq[Mesh]:
+      assert not value.isNil, &"Cannot add a mesh that is 'nil': " & name
+      scene.meshes.add value
+
+proc AddShaderGlobalArray*[T](scene: var Scene, name: string, data: openArray[T]) =
+  assert not scene.loaded, &"Scene {scene.name} has already been loaded, cannot add shader values"
+  scene.shaderGlobals[name] = InitDataList(data)
+  scene.dirtyShaderGlobals.add name
+
+proc AddShaderGlobal*[T](scene: var Scene, name: string, data: T) =
+  scene.AddShaderGlobalArray(name, [data])
+
+proc GetShaderGlobalArray*[T](scene: Scene, name: string): ref seq[T] =
+  scene.shaderGlobals[name][T]
+
+proc GetShaderGlobal*[T](scene: Scene, name: string): T =
+  GetShaderGlobalArray[T](scene, name)[][0]
+
+proc SetShaderGlobalArray*[T](scene: var Scene, name: string, value: openArray[T]) =
+  if scene.shaderGlobals[name, T][] == @value:
+    return
+  scene.shaderGlobals[name] = value
+  if not scene.dirtyShaderGlobals.contains(name):
+    scene.dirtyShaderGlobals.add name
+
+proc SetShaderGlobal*[T](scene: var Scene, name: string, value: T) =
+  scene.SetShaderGlobalArray(name, [value])
+
+func DirtyShaderGlobals*(scene: Scene): seq[string] =
+  scene.dirtyShaderGlobals
+
+proc ClearDirtyShaderGlobals*(scene: var Scene) =
+  scene.dirtyShaderGlobals.reset
+
+func hash*(scene: Scene): Hash =
+  hash(scene.name)
+
+func UsesMaterial*(scene: Scene, materialType: MaterialType): bool =
+  return scene.meshes.anyIt(it.material.theType == materialType)
+
+func GetMaterials*(scene: Scene, materialType: MaterialType): seq[MaterialData] =
+  for mesh in scene.meshes:
+    if mesh.material.theType == materialType and (not result.contains(mesh.material)):
+      result.add mesh.material