/// <summary>
/// <see cref="ISceneRenderer.Render"/>
/// </summary>
public void Render(ICameraController cam, Dictionary <Node, List <Mesh> > visibleMeshesByNode,
bool visibleSetChanged,
bool texturesChanged,
RenderFlags flags,
Renderer renderer)
{
GL.Disable(EnableCap.Texture2D);
GL.Hint(HintTarget.PerspectiveCorrectionHint, HintMode.Nicest);
GL.Enable(EnableCap.DepthTest);
if (flags.HasFlag(RenderFlags.Wireframe))
{
GL.PolygonMode(MaterialFace.FrontAndBack, PolygonMode.Line);
}
var tmp = InitposeMax.X - InitposeMin.X;
tmp = Math.Max(InitposeMax.Y - InitposeMin.Y, tmp);
tmp = Math.Max(InitposeMax.Z - InitposeMin.Z, tmp);
int logScale = (int)Math.Truncate(Math.Log10(tmp * 10 / 50)); // Up to 50units max size = 50m: keep scale (for smaller scenes).
float scale = 1;
for (int i = 0; i < logScale; i++)
{
scale = scale / 10;
}
Owner.Scale = scale;
if (cam != null)
{
// cam.SetPivot(Owner.Pivot * (float)scale); this does nothing (?) only makes controller dirty
}
var view = cam == null?Matrix4.LookAt(0, 10, 5, 0, 0, 0, 0, 1, 0) : cam.GetView();
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadMatrix(ref view);
GL.Scale(scale, scale, scale);
Owner.MaterialMapper.BeginScene(renderer, flags.HasFlag(RenderFlags.UseSceneLights)); //here we switch on lights
if (flags.HasFlag(RenderFlags.ShowLightDirection)) //switch off for video??
{
var dir = new Vector3(1, 1, 0);
var mat = renderer.LightRotation;
Vector3.TransformNormal(ref dir, ref mat, out dir);
OverlayLightSource.DrawLightSource(dir);
}
// If textures changed, we may need to upload some of them to VRAM.
// it is important this happens here and not accidentially while
// compiling a displist.
if (texturesChanged)
{
UploadTextures();
}
UploadDynamicTextures();
GL.PushMatrix();
// Build and cache Gl displaylists and update only when the scene changes.
// when the scene is being animated, this changes each frame
var animated = Owner.SceneAnimator.IsAnimationActive;
if (visibleSetChanged || texturesChanged || flags != _lastFlags || (animated && (Owner.NewFrame) || wasAnimated))
{
int startList = 4; //we update only 4 animation displists
if (visibleSetChanged || texturesChanged || flags != _lastFlags)
{
startList = 0;
}
_lastFlags = flags;
// handle opaque geometry
for (int currDispList = startList; currDispList < _displayListCount; currDispList++)
{
if (_displayList[currDispList, 0] == 0)
{
_displayList[currDispList, 0] = GL.GenLists(1);
}
GL.NewList(_displayList[currDispList, 0], ListMode.Compile);
var needAlpha = RecursiveRender(Owner.Raw.RootNode, visibleMeshesByNode, flags, animated, currDispList);
if (flags.HasFlag(RenderFlags.ShowSkeleton))
{
RecursiveRenderNoScale(Owner.Raw.RootNode, visibleMeshesByNode, flags, 1.0f / scale, animated, currDispList);
}
if (flags.HasFlag(RenderFlags.ShowNormals))
{
RecursiveRenderNormals(Owner.Raw.RootNode, visibleMeshesByNode, flags, 1.0f / scale, animated, Matrix4.Identity, currDispList);
}
GL.EndList();
if (needAlpha)
{
// handle semi-transparent geometry
if (_displayList[currDispList, 1] == 0)
{
_displayList[currDispList, 1] = GL.GenLists(1);
}
GL.NewList(_displayList[currDispList, 1], ListMode.Compile);
RecursiveRenderWithAlpha(Owner.Raw.RootNode, visibleMeshesByNode, flags, animated, currDispList);
GL.EndList();
}
else if (_displayList[currDispList, 1] != 0)
{
GL.DeleteLists(_displayList[currDispList, 1], 1);
_displayList[currDispList, 1] = 0;
}
}
}
Owner.NewFrame = false;
wasAnimated = animated;
/* display lists:
* 0: Background;
* 1: Else (always visible);
* 2: Foreground;
* 3: GreenScreen;
* 4: BackgroundAnimated;
* 5: ElseAnimated (always visible);
* 6: ForegroundAnimated;
* 7: GreenScreenAnimated;
* Animated - list is refreshed each frame
*/
switch (cam.GetScenePartMode())
{
case ScenePartMode.Background:
if (_displayList[0, 0] != 0)
{
GL.CallList(_displayList[0, 0]);
}
if (_displayList[4, 0] != 0)
{
GL.CallList(_displayList[4, 0]);
}
if (_displayList[0, 1] != 0)
{
GL.CallList(_displayList[0, 1]);
}
if (_displayList[4, 1] != 0)
{
GL.CallList(_displayList[4, 1]);
}
break;
case ScenePartMode.Foreground:
if (_displayList[2, 0] != 0)
{
GL.CallList(_displayList[2, 0]);
}
if (_displayList[6, 0] != 0)
{
GL.CallList(_displayList[6, 0]);
}
if (_displayList[2, 1] != 0)
{
GL.CallList(_displayList[2, 1]);
}
if (_displayList[6, 1] != 0)
{
GL.CallList(_displayList[6, 1]);
}
break;
case ScenePartMode.Others:
if (_displayList[1, 0] != 0)
{
GL.CallList(_displayList[1, 0]);
}
if (_displayList[5, 0] != 0)
{
GL.CallList(_displayList[5, 0]);
}
if (_displayList[1, 1] != 0)
{
GL.CallList(_displayList[1, 1]);
}
if (_displayList[5, 1] != 0)
{
GL.CallList(_displayList[5, 1]);
}
break;
case ScenePartMode.GreenScreen:
if (_displayList[3, 0] != 0)
{
GL.CallList(_displayList[3, 0]);
}
if (_displayList[7, 0] != 0)
{
GL.CallList(_displayList[7, 0]);
}
if (_displayList[3, 1] != 0)
{
GL.CallList(_displayList[3, 1]);
}
if (_displayList[7, 1] != 0)
{
GL.CallList(_displayList[7, 1]);
}
break;
case ScenePartMode.All:
for (int currDispList = 0; currDispList < _displayListCount; currDispList++)
{
if (_displayList[currDispList, 0] != 0)
{
GL.CallList(_displayList[currDispList, 0]);
}
if (_displayList[currDispList, 1] != 0)
{
GL.CallList(_displayList[currDispList, 1]);
}
}
break;
default: break; //at other modes we do not render anything
}
GL.PopMatrix();
// always switch back to FILL
Owner.MaterialMapper.EndScene(renderer);
GL.PolygonMode(MaterialFace.FrontAndBack, PolygonMode.Fill);
GL.Disable(EnableCap.DepthTest);
#if TEST
GL.Enable(EnableCap.ColorMaterial);
// TEST CODE to visualize mid point (pivot) and origin
GL.LoadMatrix(ref view);
GL.Begin(BeginMode.Lines);
GL.Vertex3((InitposeMin + InitposeMax) * 0.5f * (float)scale);
GL.Color3(0.0f, 1.0f, 0.0f);
GL.Vertex3(0, 0, 0);
GL.Color3(0.0f, 1.0f, 0.0f);
GL.Vertex3((InitposeMin + InitposeMax) * 0.5f * (float)scale);
GL.Color3(0.0f, 1.0f, 0.0f);
GL.Vertex3(10, 10, 10);
GL.Color3(0.0f, 1.0f, 0.0f);
GL.End();
#endif
GL.Disable(EnableCap.Texture2D);
}
/// <summary>
/// <see cref="ISceneRenderer.Render"/>
/// </summary>
public void Render(ICameraController cam, Dictionary <Node, List <Mesh> > visibleMeshesByNode,
bool visibleSetChanged,
bool texturesChanged,
RenderFlags flags,
Renderer renderer)
{
GL.Disable(EnableCap.Texture2D);
GL.Hint(HintTarget.PerspectiveCorrectionHint, HintMode.Nicest);
GL.Enable(EnableCap.DepthTest);
// set fixed-function lighting parameters
GL.ShadeModel(ShadingModel.Smooth);
GL.LightModel(LightModelParameter.LightModelAmbient, new[] { 0.3f, 0.3f, 0.3f, 1 });
GL.Enable(EnableCap.Lighting);
GL.Enable(EnableCap.Light0);
if (flags.HasFlag(RenderFlags.Wireframe))
{
GL.PolygonMode(MaterialFace.FrontAndBack, PolygonMode.Line);
}
var tmp = InitposeMax.X - InitposeMin.X;
tmp = Math.Max(InitposeMax.Y - InitposeMin.Y, tmp);
tmp = Math.Max(InitposeMax.Z - InitposeMin.Z, tmp);
var scale = 2.0f / tmp;
// TODO: migrate general scale and this snippet to camcontroller code
if (cam != null)
{
cam.SetPivot(Owner.Pivot * (float)scale);
}
var view = cam == null?Matrix4.LookAt(0, 10, 5, 0, 0, 0, 0, 1, 0) : cam.GetView();
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadMatrix(ref view);
// light direction
var dir = new Vector3(1, 1, 0);
var mat = renderer.LightRotation;
Vector3.TransformNormal(ref dir, ref mat, out dir);
GL.Light(LightName.Light0, LightParameter.Position, new float[] { dir.X, dir.Y, dir.Z, 0 });
// light color
var col = new Vector3(1, 1, 1);
col *= (0.25f + 1.5f * GraphicsSettings.Default.OutputBrightness / 100.0f) * 1.5f;
GL.Light(LightName.Light0, LightParameter.Diffuse, new float[] { col.X, col.Y, col.Z, 1 });
GL.Light(LightName.Light0, LightParameter.Specular, new float[] { col.X, col.Y, col.Z, 1 });
if (flags.HasFlag(RenderFlags.Shaded))
{
OverlayLightSource.DrawLightSource(dir);
}
GL.Scale(scale, scale, scale);
// If textures changed, we may need to upload some of them to VRAM.
// it is important this happens here and not accidentially while
// compiling a displist.
if (texturesChanged)
{
UploadTextures();
}
GL.PushMatrix();
// Build and cache Gl displaylists and update only when the scene changes.
// when the scene is being animated, this is bad because it changes every
// frame anyway. In this case we don't use a displist.
var animated = Owner.SceneAnimator.IsAnimationActive;
if (_displayList == 0 || visibleSetChanged || texturesChanged || flags != _lastFlags || animated)
{
_lastFlags = flags;
// handle opaque geometry
if (!animated)
{
if (_displayList == 0)
{
_displayList = GL.GenLists(1);
}
GL.NewList(_displayList, ListMode.Compile);
}
var needAlpha = RecursiveRender(Owner.Raw.RootNode, visibleMeshesByNode, flags, animated);
if (flags.HasFlag(RenderFlags.ShowSkeleton) || flags.HasFlag(RenderFlags.ShowNormals))
{
RecursiveRenderNoScale(Owner.Raw.RootNode, visibleMeshesByNode, flags, 1.0f / scale, animated);
}
if (!animated)
{
GL.EndList();
}
if (needAlpha)
{
// handle semi-transparent geometry
if (!animated)
{
if (_displayListAlpha == 0)
{
_displayListAlpha = GL.GenLists(1);
}
GL.NewList(_displayListAlpha, ListMode.Compile);
}
RecursiveRenderWithAlpha(Owner.Raw.RootNode, visibleMeshesByNode, flags, animated);
if (!animated)
{
GL.EndList();
}
}
else if (_displayListAlpha != 0)
{
GL.DeleteLists(_displayListAlpha, 1);
_displayListAlpha = 0;
}
}
if (!animated)
{
GL.CallList(_displayList);
if (_displayListAlpha != 0)
{
GL.CallList(_displayListAlpha);
}
}
GL.PopMatrix();
// always switch back to FILL
GL.PolygonMode(MaterialFace.FrontAndBack, PolygonMode.Fill);
GL.Disable(EnableCap.DepthTest);
#if TEST
GL.Enable(EnableCap.ColorMaterial);
// TEST CODE to visualize mid point (pivot) and origin
GL.LoadMatrix(ref view);
GL.Begin(BeginMode.Lines);
GL.Vertex3((InitposeMin + InitposeMax) * 0.5f * (float)scale);
GL.Color3(0.0f, 1.0f, 0.0f);
GL.Vertex3(0, 0, 0);
GL.Color3(0.0f, 1.0f, 0.0f);
GL.Vertex3((InitposeMin + InitposeMax) * 0.5f * (float)scale);
GL.Color3(0.0f, 1.0f, 0.0f);
GL.Vertex3(10, 10, 10);
GL.Color3(0.0f, 1.0f, 0.0f);
GL.End();
#endif
GL.Disable(EnableCap.Texture2D);
GL.Disable(EnableCap.Lighting);
}