private void Render(string content)
{
var newApp = ParseXml.Parse(content, tagMap);
GameObjectPatch patch = VDiff.Diff(vApp, newApp);
root = patch(root);
vApp = newApp;
}
private static GameObjectPatch DiffChildren(VGameObject[] vOldChildren, VGameObject[] vNewChildren)
{
List <GameObjectPatch> patches = new List <GameObjectPatch>();
for (int i = 0; i < vOldChildren.Length; i++)
{
VGameObject newChild = null;
if (i < vNewChildren.Length)
{
newChild = vNewChildren[i];
}
patches.Add(Diff(vOldChildren[i], newChild));
}
List <GameObjectPatch> additionalPatches = new List <GameObjectPatch>();
if (vNewChildren.Length > vOldChildren.Length)
{
for (int i = vOldChildren.Length; i < vNewChildren.Length; i++)
{
VGameObject newChild = vNewChildren[i];
GameObjectPatch newChildPatch = (GameObject go) =>
{
GameObject newGo = VRender.RenderGameObject(newChild);
newGo.transform.SetParent(go.transform);
return(newGo);
};
additionalPatches.Add(newChildPatch);
}
}
GameObjectPatch completePatch = (GameObject go) =>
{
for (int i = 0; i < patches.Count; i++)
{
GameObject child = go.transform.GetChild(i).gameObject;
patches[i](child);
}
foreach (GameObjectPatch patch in additionalPatches)
{
patch(go);
}
return(go);
};
return(completePatch);
}
public static GameObjectPatch Diff(VGameObject vOldGO, VGameObject vNewGO)
{
GameObjectPatch patch;
// GameObject has been deleted
if (vNewGO == null)
{
patch = (GameObject go) => {
GameObject.Destroy(go);
return(null);
};
}
// GameObject has been added
else if (vOldGO == null)
{
patch = (GameObject go) =>
{
GameObject newGo = VRender.RenderGameObject(vNewGO);
newGo.transform.SetParent(go.transform);
return(newGo);
};
}
// GameObject has been modified
else
{
patch = (GameObject go) =>
{
if (vOldGO.type != vNewGO.type)
{
var oldComponent = go.GetComponent(vOldGO.type);
GameObject.DestroyImmediate(oldComponent);
go.AddComponent(vNewGO.type);
}
var componentPatch = DiffFields(vOldGO, vNewGO);
componentPatch(go);
GameObjectPatch childPatch = DiffChildren(vOldGO.children, vNewGO.children);
childPatch(go);
return(go);
};
}
return(patch);
}
