private string RenderScene()
{
pboxPreview.Image = null;
int width = int.Parse(txtbxWidth.Text);
int height = int.Parse(txtbxHeight.Text);
int samples = int.Parse(txtbxSamples.Text);
int chunkSize = int.Parse(txtbxChunkSize.Text);
string fname = "Test";
if (txtbxFileName.Text != "")
{
fname = txtbxFileName.Text;
}
List <Hittable> activeHittables = new List <Hittable>();
foreach (string hittableName in listbxHittables.CheckedItems)
{
activeHittables.Add(GetHittable(hittableName));
}
XmlSerializer serializer = new XmlSerializer(typeof(PTObject[]));
using (XmlWriter writer = XmlWriter.Create("autosave.xml"))
{
List <PTObject> temp = new List <PTObject>();
foreach (PTObject material in materials.Values)
{
temp.Add(material);
}
foreach (PTObject hittable in hittables.Values)
{
temp.Add(hittable);
}
serializer.Serialize(writer, temp.ToArray());
}
PTObject scene = new HittableList(activeHittables.ToArray());
Vec3 lookFrom = new Vec3(2f, 1.2f, -2f);
Vec3 lookAt = new Vec3(-2f, 0f, 2f);
System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
sw.Start();
if (!PTObject.RenderSceneChunked(
width, height, samples, chunkSize, fname,
lookFrom, lookAt, new Vec3(0f, 1f, 0f), (float)Math.PI / 3f, (float)width / height, 0f, (lookFrom - lookAt).Length,
scene))
{
// all objects are invalidated if rendering fails.
foreach (string textureName in textures.Keys)
{
GetTexture(textureName).Destroy();
}
textures.Clear();
foreach (string materialName in materials.Keys)
{
GetMaterial(materialName).Destroy();
}
materials.Clear();
foreach (string hittableName in hittables.Keys)
{
GetHittable(hittableName).Destroy();
}
hittables.Clear();
scene.Destroy();
using (XmlReader reader = XmlReader.Create("autosave.xml"))
{
PTObject[] autosaved = serializer.Deserialize(reader) as PTObject[];
for (int i = 0; i < autosaved.Length; i++)
{
switch (autosaved[i].Kind)
{
case PTObject.PTObjectKind.Hittable:
hittables.Add(i.ToString(), autosaved[i] as Hittable);
break;
case PTObject.PTObjectKind.Material:
materials.Add(i.ToString(), autosaved[i] as Material);
break;
case PTObject.PTObjectKind.Texture:
textures.Add(i.ToString(), autosaved[i] as Texture);
break;
}
}
}
return("Rendering failed.");
}
sw.Stop();
scene.Destroy();
Bitmap image = ReadBitmapFromPPM(Directory.GetCurrentDirectory() + "\\" + fname + ".ppm");
pboxPreview.Image = image;
return($"Last Render Took: {sw.ElapsedMilliseconds} ms");
}
private void HittableInvalidated(PTObject sender) => Destroy();
private void TextureInvalidated(PTObject sender) => Destroy();
private void MaterialInvalidated(PTObject sender) => Destroy();
