internal static void SaveDepthMapToBitmap(int texId)
{
Bitmap b = new Bitmap(KWEngine.ShadowMapSize, KWEngine.ShadowMapSize, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
float[] depthData = new float[KWEngine.ShadowMapSize * KWEngine.ShadowMapSize];
GL.BindTexture(TextureTarget.Texture2D, texId);
GL.GetTexImage(TextureTarget.Texture2D, 0, OpenTK.Graphics.OpenGL4.PixelFormat.DepthComponent, PixelType.Float, depthData);
GL.BindTexture(TextureTarget.Texture2D, 0);
HelperGeneral.ScaleToRange(0, 255, depthData);
int x = 0, y = KWEngine.ShadowMapSize - 1;
for (int i = 0; i < depthData.Length; i++)
{
int rgb = (int)(depthData[i]);
b.SetPixel(x, y, Color.FromArgb(rgb, rgb, rgb));
int prevX = x;
x = (x + 1) % KWEngine.ShadowMapSize;
if (prevX > 0 && x == 0)
{
y--;
}
}
b.Save("texture2d_depth.bmp", ImageFormat.Bmp);
b.Dispose();
}
/// <summary>
/// Gibt die am nächsten liegende (vom Mauszeiger überlagerte) GameObject-Instanz inkl. der genauen Mausposition auf dem Objekt zurück
/// </summary>
/// <typeparam name="T">Beliebige Unterklasse von GameObject</typeparam>
/// <param name="ms">Aktueller Mausstatus</param>
/// <param name="intersectionPoint">Punkt, an dem der Mauszeiger auf das Objekt trifft</param>
/// <param name="offsetX">optionale Verschiebung des Cursors auf der X-Achse in Pixeln (Standard: 0)</param>
/// <param name="offsetY">optionale Verschiebung des Cursors auf der X-Achse in Pixeln (Standard: 0)</param>
/// <param name="precision">Präzision der Messung (Standard: Box für genauere Messung)</param>
/// <returns>Die GameObject-Instanz, die der Kamera am nächsten ist</returns>
public static T IsMouseCursorOnAny <T>(MouseState ms, out Vector3 intersectionPoint, int offsetX = 0, int offsetY = 0, MouseIntersectionPrecision precision = MouseIntersectionPrecision.Box) where T : GameObject
{
intersectionPoint = Vector3.Zero;
GameObject[] list = KWEngine.CurrentWorld._gameObjects.FindAll(go => go is T).ToArray();
if (list.Length == 0)
{
return(null);
}
Vector2 mc = HelperGeneral.GetNormalizedMouseCoords(ms.X + offsetX, ms.Y + offsetY);
Vector3 worldRay = KWEngine.CurrentWindow.Get3DMouseCoords(mc.X, mc.Y);
Vector3 origin;
if (KWEngine.CurrentWorld != null && KWEngine.CurrentWorld.IsFirstPersonMode)
{
if (KWEngine.Projection == ProjectionType.Perspective)
{
origin = KWEngine.CurrentWorld.GetFirstPersonObject().Position;
origin.Y += KWEngine.CurrentWorld.GetFirstPersonObject().FPSEyeOffset;
}
else
{
origin = HelperGeneral.GetRayOriginForOrthographicProjection(mc);
}
}
else
{
if (KWEngine.Projection == ProjectionType.Perspective)
{
origin = KWEngine.CurrentWorld.GetCameraPosition();
}
else
{
origin = HelperGeneral.GetRayOriginForOrthographicProjection(mc);
}
}
float minDistance = float.MaxValue;
int minIndex = -1;
for (int i = 0; i < list.Length; i++)
{
bool rayHitGameObject = GetRayIntersectionPointOnHitbox(list[i], origin, worldRay, out Vector3 iPoint, precision);
if (rayHitGameObject)
{
float currentDistance = (origin - iPoint).LengthSquared;
if (currentDistance < minDistance)
{
intersectionPoint = iPoint;
minDistance = currentDistance;
minIndex = i;
}
}
}
if (minIndex >= 0)
{
return(list[minIndex] as T);
}
return(null);
}
/// <summary>
/// Gibt eine Liste von GameObject-Instanzen zurück, die unter dem Mauszeiger liegen (Instanzen müssen mit IsPickable = true gesetzt haben)
/// </summary>
/// <param name="ms">Mausinformationen</param>
/// <param name="offsetX">optionale Verschiebung des Cursors auf der X-Achse in Pixeln (Standard: 0)</param>
/// <param name="offsetY">optionale Verschiebung des Cursors auf der X-Achse in Pixeln (Standard: 0)</param>
/// <returns>Liste betroffener GameObject-Instanzen</returns>
public static List <GameObject> PickGameObjects(MouseState ms, int offsetX = 0, int offsetY = 0)
{
List <GameObject> pickedObjects = new List <GameObject>();
GLWindow w = GLWindow.CurrentWindow;
if (w == null || w.CurrentWorld == null || !w.Focused)
{
return(pickedObjects);
}
Vector2 mouseCoords = HelperGeneral.GetNormalizedMouseCoords(ms.X + offsetX, ms.Y + offsetY);
Vector3 ray = KWEngine.CurrentWindow.Get3DMouseCoords(mouseCoords.X, mouseCoords.Y);
Vector3 pos;
if (KWEngine.Projection == ProjectionType.Perspective)
{
pos = w.CurrentWorld.GetCameraPosition() + ray;
}
else
{
pos = HelperGeneral.GetRayOriginForOrthographicProjection(mouseCoords) + ray;
}
foreach (GameObject go in w.CurrentWorld.GetGameObjects())
{
if (go.IsPickable && go.IsInsideScreenSpace)
{
if (GameObject.IntersectRaySphere(pos, ray, go.GetCenterPointForAllHitboxes(), go.GetMaxDiameter() / 2))
{
pickedObjects.Add(go);
}
}
}
return(pickedObjects);
}
public static int LoadTextureForModelGLB(byte[] rawTextureData)
{
int texID;
if (rawTextureData[0] == 0x44 && rawTextureData[1] == 0x44 && rawTextureData[2] == 0x53)
{
HelperDDS2.TryLoadDDS(rawTextureData, false, out texID, out int width, out int height);
return(texID);
}
try
{
using (MemoryStream ms = new MemoryStream(rawTextureData))
{
Bitmap image = new Bitmap(ms);
if (image == null)
{
HelperGeneral.ShowErrorAndQuit("HelperTexture::LoadTextureForModelGLB()", "Could not load image file from GLB!");
return(-1);
}
texID = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, texID);
BitmapData data = null;
if (image.PixelFormat == System.Drawing.Imaging.PixelFormat.Format32bppArgb)
{
data = image.LockBits(new Rectangle(0, 0, image.Width, image.Height), ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, data.Width, data.Height, 0,
OpenTK.Graphics.OpenGL4.PixelFormat.Bgra, PixelType.UnsignedByte, data.Scan0);
}
else
{
data = image.LockBits(new Rectangle(0, 0, image.Width, image.Height), ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgb, data.Width, data.Height, 0,
OpenTK.Graphics.OpenGL4.PixelFormat.Bgr, PixelType.UnsignedByte, data.Scan0);
}
GL.TexParameter(TextureTarget.Texture2D, (TextureParameterName)OpenTK.Graphics.OpenGL.ExtTextureFilterAnisotropic.TextureMaxAnisotropyExt, GLWindow.CurrentWindow.AnisotropicFiltering);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.LinearMipmapLinear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)TextureWrapMode.Repeat);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureWrapMode.Repeat);
GL.GenerateMipmap(GenerateMipmapTarget.Texture2D);
int mipMapCount = GetMaxMipMapLevels(data.Width, data.Height);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureBaseLevel, 0);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMaxLevel, Math.Max(0, mipMapCount - 2));
image.UnlockBits(data);
image.Dispose();
GL.BindTexture(TextureTarget.Texture2D, 0);
}
}
catch (Exception ex)
{
HelperGeneral.ShowErrorAndQuit("HelperTexture::LoadTextureForModelGLB()", "Could not load image file! Make sure to copy it to the correct output directory. " + "[" + ex.Message + "]");
return(-1);
}
return(texID);
}
public static int LoadTextureForModelExternal(string filename)
{
if (!File.Exists(filename))
{
return(-1);
}
if (filename.ToLower().EndsWith("dds"))
{
return(LoadTextureCompressedWithMipMaps(filename));
}
int texID;
try
{
Bitmap image = new Bitmap(filename);
if (image == null)
{
HelperGeneral.ShowErrorAndQuit("HelperTexture::LoadTextureForModelExternal()", "File " + filename + " is not a valid image file.");
return(-1);
}
texID = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, texID);
BitmapData data = null;
if (image.PixelFormat == System.Drawing.Imaging.PixelFormat.Format32bppArgb)
{
data = image.LockBits(new Rectangle(0, 0, image.Width, image.Height), ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, data.Width, data.Height, 0,
OpenTK.Graphics.OpenGL4.PixelFormat.Bgra, PixelType.UnsignedByte, data.Scan0);
}
else
{
data = image.LockBits(new Rectangle(0, 0, image.Width, image.Height), ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgb, data.Width, data.Height, 0,
OpenTK.Graphics.OpenGL4.PixelFormat.Bgr, PixelType.UnsignedByte, data.Scan0);
}
GL.TexParameter(TextureTarget.Texture2D, (TextureParameterName)OpenTK.Graphics.OpenGL.ExtTextureFilterAnisotropic.TextureMaxAnisotropyExt, GLWindow.CurrentWindow.AnisotropicFiltering);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.LinearMipmapLinear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)TextureWrapMode.Repeat);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureWrapMode.Repeat);
GL.GenerateMipmap(GenerateMipmapTarget.Texture2D);
int mipMapCount = GetMaxMipMapLevels(data.Width, data.Height);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureBaseLevel, 0);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMaxLevel, Math.Max(0, mipMapCount - 2));
image.UnlockBits(data);
image.Dispose();
GL.BindTexture(TextureTarget.Texture2D, 0);
}
catch (Exception ex)
{
HelperGeneral.ShowErrorAndQuit("HelperTexture::LoadTextureForModelExternal()", "Could not load image file " + filename + "! Make sure to copy it to the correct output directory. " + "[" + ex.Message + "]");
return(-1);
}
return(texID);
}
/// <summary>
/// Berechnet die Position eines Punkts, der um einen angegeben Punkt entlang einer Achse rotiert wird
/// </summary>
/// <param name="point">Mittelpunkt der Rotation</param>
/// <param name="distance">Distanz zum Mittelpunkt</param>
/// <param name="degrees">Grad der Rotation</param>
/// <param name="plane">Achse der Rotation (Standard: Y)</param>
/// <returns>Position des rotierten Punkts</returns>
public static Vector3 CalculateRotationAroundPointOnAxis(Vector3 point, float distance, float degrees, Plane plane = Plane.Y)
{
float radians = MathHelper.DegreesToRadians(degrees % 360);
Matrix4.CreateTranslation(ref point, out translationPointMatrix);
if (plane == Plane.X)
{
Matrix4.CreateRotationX(radians, out rotationMatrix);
Matrix4.CreateTranslation(0, 0, distance, out translationMatrix);
}
else if (plane == Plane.Y)
{
Matrix4.CreateRotationY(radians, out rotationMatrix);
Matrix4.CreateTranslation(0, 0, distance, out translationMatrix);
}
else if (plane == Plane.Z)
{
Matrix4.CreateRotationZ(radians, out rotationMatrix);
Matrix4.CreateTranslation(0, distance, 0, out translationMatrix);
}
else if (plane == Plane.Camera)
{
if (KWEngine.CurrentWorld != null)
{
Vector3 camLookAt;
if (KWEngine.CurrentWorld.IsFirstPersonMode)
{
camLookAt = KWEngine.CurrentWorld.GetFirstPersonObject().GetLookAtVector();
}
else
{
camLookAt = KWEngine.CurrentWorld.GetCameraLookAtVector();
}
rotationMatrix = HelperMatrix.CreateRotationMatrixForAxisAngle(ref camLookAt, ref radians);
Vector3 cross = Vector3.Cross(camLookAt, KWEngine.WorldUp);
Matrix4.CreateTranslation(-cross.X, -cross.Y, -cross.Z, out translationMatrix);
}
else
{
HelperGeneral.ShowErrorAndQuit("HelperRotation::CalculateRotationAroundPointOnAxis()", "CurrentWorld is not set. Cannot rotate around a camera axis that does not exist.");
return(Vector3.Zero);
}
}
Matrix4.Mult(ref translationMatrix, ref rotationMatrix, out tempMatrix);
Matrix4.Mult(ref tempMatrix, ref translationPointMatrix, out spinMatrix);
Vector3.TransformPosition(ref zeroVector, ref spinMatrix, out finalTranslationPoint);
return(finalTranslationPoint);
}
public static int LoadTextureCompressedWithMipMaps(Stream stream)
{
bool success = HelperDDS2.TryLoadDDS(stream, false, out int texID, out int width, out int height);
if (!success)
{
HelperGeneral.ShowErrorAndQuit("HelperTexture::LoadTextureCompressedWithMipMaps()", "Unsupported compressed texture format: only DXT1, DXT3 and DXT5 are supported.");
texID = -1;
throw new Exception("Unsupported compressed texture format: only DXT1, DXT3 and DXT5 are supported.");
}
return(texID);
}
/// <summary>
/// Konvertiert 2D-Mauskoordinaten in 3D-Koordinaten
/// </summary>
/// <param name="ms">Mausinformationen</param>
/// <param name="planeNormal">Kollisionsebene (Standard: Camera)</param>
/// <param name="planeHeight">Höhe der Kollisionsebene</param>
/// <param name="offsetX">(optionale) Seitenkorrektur in Pixeln</param>
/// <param name="offsetY">(optionale) Höhenkorrektur in Pixeln</param>
/// <returns>3D-Mauskoordinaten</returns>
public static Vector3 GetMouseIntersectionPoint(MouseState ms, Plane planeNormal, float planeHeight, int offsetX = 0, int offsetY = 0)
{
Vector3 normal;
if (planeNormal == Plane.Y)
{
normal = new Vector3(0, 1, 0.000001f);
}
else if (planeNormal == Plane.X)
{
normal = new Vector3(1, 0, 0);
}
else if (planeNormal == Plane.Z)
{
normal = new Vector3(0, 0.000001f, 1);
}
else
{
if (KWEngine.CurrentWorld != null)
{
normal = -KWEngine.CurrentWorld.GetCameraLookAtVector();
}
else
{
normal = new Vector3(0, 1, 0.000001f);
}
}
Vector2 mc = HelperGeneral.GetNormalizedMouseCoords(ms.X + offsetX, ms.Y + offsetY);
Vector3 worldRay = KWEngine.CurrentWindow.Get3DMouseCoords(mc.X, mc.Y);
bool result;
Vector3 intersection;
if (KWEngine.Projection == ProjectionType.Perspective)
{
result = GameObject.LinePlaneIntersection(out intersection, worldRay, KWEngine.CurrentWindow.CurrentWorld.GetCameraPosition(), normal, normal * planeHeight);
}
else
{
Vector3 rayOrigin = HelperGeneral.GetRayOriginForOrthographicProjection(mc);
result = GameObject.LinePlaneIntersection(out intersection, worldRay, rayOrigin, normal, normal * planeHeight);
}
if (result)
{
return(intersection);
}
else
{
return(normal * planeHeight);
}
}
internal static int LoadTextureFromAssembly(string resourceName, Assembly assembly)
{
int texID = -1;
using (Stream s = assembly.GetManifestResourceStream(resourceName))
{
Bitmap image = new Bitmap(s);
if (image == null)
{
HelperGeneral.ShowErrorAndQuit("HelperTexture::LoadTextureFromAssembly()", "File " + resourceName + " is not a valid image file.");
return(-1);
}
texID = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, texID);
BitmapData data = null;
if (image.PixelFormat == System.Drawing.Imaging.PixelFormat.Format32bppArgb)
{
data = image.LockBits(new Rectangle(0, 0, image.Width, image.Height), ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, data.Width, data.Height, 0,
OpenTK.Graphics.OpenGL4.PixelFormat.Bgra, PixelType.UnsignedByte, data.Scan0);
}
else
{
data = image.LockBits(new Rectangle(0, 0, image.Width, image.Height), ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgb, data.Width, data.Height, 0,
OpenTK.Graphics.OpenGL4.PixelFormat.Bgr, PixelType.UnsignedByte, data.Scan0);
}
GL.TexParameter(TextureTarget.Texture2D, (TextureParameterName)OpenTK.Graphics.OpenGL.ExtTextureFilterAnisotropic.TextureMaxAnisotropyExt, GLWindow.CurrentWindow.AnisotropicFiltering);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.LinearMipmapLinear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)TextureWrapMode.Repeat);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureWrapMode.Repeat);
GL.GenerateMipmap(GenerateMipmapTarget.Texture2D);
int mipMapCount = GetMaxMipMapLevels(data.Width, data.Height);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureBaseLevel, 0);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMaxLevel, Math.Max(0, mipMapCount - 2));
image.UnlockBits(data);
image.Dispose();
GL.BindTexture(TextureTarget.Texture2D, 0);
}
return(texID);
}
internal static void UpdateDeltaTime()
{
float currTimePick_ms = Watch.ElapsedMilliseconds;
float realTimeElapsed_ms;
if (lastRealTimeMeasurement_ms > 0)
{
realTimeElapsed_ms = (currTimePick_ms - lastRealTimeMeasurement_ms);
}
else
{
realTimeElapsed_ms = GLWindow.CurrentWindow._vSync ? 16.66667f : smoothedDeltaRealTime_ms; // just the first time
}
movAverageDeltaTime_ms = (realTimeElapsed_ms + movAverageDeltaTime_ms * (movAveragePeriod - 1)) / movAveragePeriod;
smoothedDeltaRealTime_ms = smoothedDeltaRealTime_ms + (movAverageDeltaTime_ms - smoothedDeltaRealTime_ms) * smoothFactor;
deltaTimeFactor = HelperGeneral.Clamp(smoothedDeltaRealTime_ms / TargetFrameTime, 0.00001f, 10);
lastRealTimeMeasurement_ms = currTimePick_ms;
}
/// <summary>
/// Gibt das GameObject zurück, das unter dem Mauszeiger liegt (Instanzen müssen mit IsPickable = true gesetzt haben)
/// </summary>
/// <param name="ms">Mausinformationen</param>
/// <param name="offsetX">optionale Verschiebung des Cursors auf der X-Achse in Pixeln (Standard: 0)</param>
/// <param name="offsetY">optionale Verschiebung des Cursors auf der X-Achse in Pixeln (Standard: 0)</param>
/// <returns>Gewähltes GameObject</returns>
public static GameObject PickGameObject(MouseState ms, int offsetX = 0, int offsetY = 0)
{
GLWindow w = GLWindow.CurrentWindow;
if (w == null || w.CurrentWorld == null || !w.Focused)
{
return(null);
}
Vector2 mouseCoords = HelperGeneral.GetNormalizedMouseCoords(ms.X + offsetX, ms.Y + offsetY);
Vector3 ray = KWEngine.CurrentWindow.Get3DMouseCoords(mouseCoords.X, mouseCoords.Y);
Vector3 pos;
if (KWEngine.Projection == ProjectionType.Perspective)
{
pos = w.CurrentWorld.GetCameraPosition() + ray;
}
else
{
pos = HelperGeneral.GetRayOriginForOrthographicProjection(mouseCoords) + ray;
}
GameObject pickedObject = null;
float pickedDistance = float.MaxValue;
foreach (GameObject go in w.CurrentWorld.GetGameObjects())
{
if (go.IsPickable && go.IsInsideScreenSpace)
{
if (GameObject.IntersectRaySphere(pos, ray, go.GetCenterPointForAllHitboxes(), go.GetMaxDiameter() / 2))
{
float distance = (go.GetCenterPointForAllHitboxes() - pos).LengthSquared;
if (distance < pickedDistance)
{
pickedDistance = distance;
pickedObject = go;
}
}
}
}
return(pickedObject);
}
public static Matrix3 GetViewMatrixInversed()
{
if (mCurrentGameObject != null)
{
Vector3 pos = mCurrentGameObject.Position;
Vector3 lookat = new Vector3();
lookat.X = (float)(Math.Sin((float)mOrientation.X) * Math.Cos((float)mOrientation.Y));
lookat.Y = (float)Math.Sin((float)mOrientation.Y);
lookat.Z = (float)(Math.Cos((float)mOrientation.X) * Math.Cos((float)mOrientation.Y));
pos.Y = pos.Y + mCurrentGameObject.FPSEyeOffset;
return(new Matrix3(Matrix4.LookAt(pos, pos - lookat, KWEngine.WorldUp)));
}
else
{
HelperGeneral.ShowErrorAndQuit("HelperCamera::GetViewMatrix()", "No first person object available.");
return(Matrix3.Identity);
}
}
internal static void SaveTextureToBitmap16(int texId, string name = null)
{
GL.Flush();
GL.Finish();
GL.BindTexture(TextureTarget.Texture2D, texId);
GL.GetTextureLevelParameter(texId, 0, GetTextureParameter.TextureWidth, out int width);
GL.GetTextureLevelParameter(texId, 0, GetTextureParameter.TextureHeight, out int height);
Bitmap b = new Bitmap(width, height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
float[] data = new float[width * height * 4];
GL.GetTexImage(TextureTarget.Texture2D, 0, OpenTK.Graphics.OpenGL4.PixelFormat.Bgra, PixelType.Float, data);
GL.BindTexture(TextureTarget.Texture2D, 0);
int x = 0, y = height - 1;
for (int i = 0; i < data.Length; i += 4)
{
float rd = HelperGeneral.Clamp(data[i] * byte.MaxValue, 0, 255);
float gn = HelperGeneral.Clamp(data[i + 1] * byte.MaxValue, 0, 255);
float bl = HelperGeneral.Clamp(data[i + 2] * byte.MaxValue, 0, 255);
float al = HelperGeneral.Clamp(data[i + 3] * byte.MaxValue, 0, 255);
byte red = (byte)rd;
byte green = (byte)gn;
byte blue = (byte)bl;
byte alpha = (byte)al;
b.SetPixel(x, y, Color.FromArgb(alpha, red, green, blue));
int prevX = x;
x = (x + 1) % width;
if (prevX > 0 && x == 0)
{
y--;
}
}
b.Save(name == null ? "texture2d_16_tonemapped_rgba.png" : name, ImageFormat.Png);
b.Dispose();
}
internal static void InitFramebufferBloom()
{
int framebufferTempId;
int renderedTextureTemp;
// =========== TEMP ===========
//Init des frame buffer:
framebufferTempId = GL.GenFramebuffer();
GL.BindFramebuffer(FramebufferTarget.Framebuffer, framebufferTempId);
// Init der Textur auf die gerendet wird:
renderedTextureTemp = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, renderedTextureTemp);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba,
_resolution, _resolution, 0, OpenTK.Graphics.OpenGL4.PixelFormat.Bgra, PixelType.UnsignedByte, IntPtr.Zero);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (float)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (float)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (float)TextureParameterName.ClampToEdge);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (float)TextureParameterName.ClampToEdge);
//Konfig. des frame buffer:
GL.FramebufferTexture(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, renderedTextureTemp, 0);
GL.DrawBuffer(DrawBufferMode.ColorAttachment0);
FramebufferErrorCode code = GL.CheckFramebufferStatus(FramebufferTarget.Framebuffer);
if (code != FramebufferErrorCode.FramebufferComplete)
{
HelperGeneral.ShowErrorAndQuit("HelperSkybox::InitFramebufferBloom()", "GL_FRAMEBUFFER_COMPLETE failed. Cannot use FrameBuffer object.");
return;
}
else
{
_fbBloom1 = framebufferTempId;
_fbBloomTex0 = renderedTextureTemp;
}
// =========== TEMP 2 ===========
//Init des frame buffer:
int framebufferId = GL.GenFramebuffer();
GL.BindFramebuffer(FramebufferTarget.Framebuffer, framebufferId);
// Init der Textur auf die gerendet wird:
int renderedTextureTemp2 = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, renderedTextureTemp2);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba,
_resolution, _resolution, 0, OpenTK.Graphics.OpenGL4.PixelFormat.Rgba, PixelType.UnsignedByte, IntPtr.Zero);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (float)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (float)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (float)TextureParameterName.ClampToEdge);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (float)TextureParameterName.ClampToEdge);
//Konfig. des frame buffer:
GL.FramebufferTexture(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, renderedTextureTemp2, 0);
GL.DrawBuffer(DrawBufferMode.ColorAttachment0);
code = GL.CheckFramebufferStatus(FramebufferTarget.Framebuffer);
if (code != FramebufferErrorCode.FramebufferComplete)
{
HelperGeneral.ShowErrorAndQuit("HelperSkybox::InitFramebufferBloom()", "GL_FRAMEBUFFER_COMPLETE failed. Cannot use FrameBuffer object.");
return;
}
else
{
_fbBloom2 = framebufferId;
_fbBloomTex1 = renderedTextureTemp2;
}
}
/// <summary>
/// Erfragt, ob der Mauszeiger (näherungsweise) auf dem Objekt liegt
/// </summary>
/// <param name="g">Zu untersuchendes GameObject</param>
/// <param name="ms">Mausinformationen</param>
/// <param name="offsetX">optionale Verschiebung des Cursors auf der X-Achse in Pixeln (Standard: 0)</param>
/// <param name="offsetY">optionale Verschiebung des Cursors auf der X-Achse in Pixeln (Standard: 0)</param>
/// <param name="precision">Genauigkeit der Prüfung (Standard: Box für eine genauere Prüfung)</param>
/// <returns>true, wenn der Mauszeiger auf dem Objekt liegt</returns>
public static bool IsMouseCursorInsideHitbox(GameObject g, MouseState ms, int offsetX = 0, int offsetY = 0, MouseIntersectionPrecision precision = MouseIntersectionPrecision.Box)
{
Vector2 mc = HelperGeneral.GetNormalizedMouseCoords(ms.X + offsetX, ms.Y + offsetY);
Vector3 worldRay = KWEngine.CurrentWindow.Get3DMouseCoords(mc.X, mc.Y);
Vector3 normal;
bool result;
Vector3 intersection;
if (KWEngine.CurrentWindow.CurrentWorld != null && KWEngine.CurrentWindow.CurrentWorld.IsFirstPersonMode)
{
normal = HelperCamera.GetLookAtVector();
normal.Y += 0.000001f;
normal.Z += 0.000001f;
if (KWEngine.Projection == ProjectionType.Perspective)
{
Vector3 fpPos = KWEngine.CurrentWindow.CurrentWorld.GetFirstPersonObject().Position;
fpPos.Y += KWEngine.CurrentWindow.CurrentWorld.GetFirstPersonObject().FPSEyeOffset;
result = GameObject.LinePlaneIntersection(out intersection, worldRay, fpPos, normal, g.GetCenterPointForAllHitboxes());
}
else
{
Vector3 fpPos = HelperGeneral.GetRayOriginForOrthographicProjection(mc);
result = GameObject.LinePlaneIntersection(out intersection, worldRay, fpPos, normal, g.GetCenterPointForAllHitboxes());
}
}
else
{
normal = -KWEngine.CurrentWindow.CurrentWorld.GetCameraLookAtVector();
normal.Y += 0.000001f;
normal.Z += 0.000001f;
if (KWEngine.Projection == ProjectionType.Perspective)
{
result = GameObject.LinePlaneIntersection(out intersection, worldRay, KWEngine.CurrentWindow.CurrentWorld.GetCameraPosition(), normal, g.GetCenterPointForAllHitboxes());
}
else
{
Vector3 rayOrigin = HelperGeneral.GetRayOriginForOrthographicProjection(mc);
result = GameObject.LinePlaneIntersection(out intersection, worldRay, rayOrigin, normal, g.GetCenterPointForAllHitboxes());
}
}
if (result)
{
foreach (Hitbox hb in g.Hitboxes)
{
if (precision == MouseIntersectionPrecision.Box)
{
if (IsPointInsideBox(ref intersection, hb))
{
return(true);
}
}
else
{
if (IsPointInsideSphere(ref intersection, hb.GetCenter(), hb.DiameterAveraged))
{
return(true);
}
}
}
return(false);
}
else
{
return(false);
}
}
public static int LoadTextureForModelInternal(string filename, bool convertRoughnessToSpecular = false)
{
Assembly a = Assembly.GetEntryAssembly();
int texID;
if (filename.ToLower().EndsWith("dds"))
{
string assPath = a.GetName().Name + "." + filename;
using (Stream s = a.GetManifestResourceStream(assPath))
texID = LoadTextureCompressedWithMipMaps(s);
return(texID);
}
try
{
string assPath = a.GetName().Name + "." + filename;
using (Stream s = a.GetManifestResourceStream(assPath))
{
Bitmap image = new Bitmap(s);
if (image == null)
{
HelperGeneral.ShowErrorAndQuit("HelperTexture::LoadTextureForModelInternal()", "Could not load image file! Make sure to copy it to the correct output directory.");
return(-1);
}
texID = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, texID);
BitmapData data = null;
if (image.PixelFormat == System.Drawing.Imaging.PixelFormat.Format32bppArgb)
{
data = image.LockBits(new Rectangle(0, 0, image.Width, image.Height), ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, data.Width, data.Height, 0,
OpenTK.Graphics.OpenGL4.PixelFormat.Bgra, PixelType.UnsignedByte, data.Scan0);
}
else
{
data = image.LockBits(new Rectangle(0, 0, image.Width, image.Height), ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgb, data.Width, data.Height, 0,
OpenTK.Graphics.OpenGL4.PixelFormat.Bgr, PixelType.UnsignedByte, data.Scan0);
}
GL.TexParameter(TextureTarget.Texture2D, (TextureParameterName)OpenTK.Graphics.OpenGL.ExtTextureFilterAnisotropic.TextureMaxAnisotropyExt, GLWindow.CurrentWindow.AnisotropicFiltering);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.LinearMipmapLinear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)TextureWrapMode.Repeat);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureWrapMode.Repeat);
GL.GenerateMipmap(GenerateMipmapTarget.Texture2D);
int mipMapCount = GetMaxMipMapLevels(data.Width, data.Height);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureBaseLevel, 0);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMaxLevel, Math.Max(0, mipMapCount - 2));
image.UnlockBits(data);
image.Dispose();
GL.BindTexture(TextureTarget.Texture2D, 0);
}
}
catch (Exception)
{
HelperGeneral.ShowErrorAndQuit("HelperTexture::LoadTextureForModel()", "Could not load image file from assembly: " + filename);
return(-1);
}
return(texID);
}
internal static int LoadTextureSkybox(string filename, bool isInAssembly = false)
{
Assembly a = Assembly.GetEntryAssembly();
if (!filename.ToLower().EndsWith("jpg") && !filename.ToLower().EndsWith("jpeg") && !filename.ToLower().EndsWith("png") && !filename.ToLower().EndsWith("dds"))
{
HelperGeneral.ShowErrorAndQuit("HelperTexture::LoadTextureSkybox()", "Only JPG, PNG and DDS (DXT1/3/5) files are supported.");
return(-1);
}
if (!KWEngine.CustomTextures[KWEngine.CurrentWorld].ContainsKey(filename))
{
int mipMapCount = 0;
try
{
using (Stream s = isInAssembly ? a.GetManifestResourceStream(a.GetName().Name + "." + filename) : File.Open(filename, FileMode.Open))
{
if (filename.ToLower().EndsWith(".dds"))
{
int textureId = -1;
HelperDDS2.TryLoadDDSCubeMap(s, false, out textureId, out mipMapCount);
return(textureId);
}
Bitmap image = new Bitmap(s);
int width = image.Width;
int height = image.Height;
int height_onethird = height / 3;
int width_onequarter = width / 4;
Bitmap image_front = new Bitmap(width_onequarter, height_onethird, image.PixelFormat);
Bitmap image_back = new Bitmap(width_onequarter, height_onethird, image.PixelFormat);
Bitmap image_up = new Bitmap(width_onequarter, height_onethird, image.PixelFormat);
Bitmap image_down = new Bitmap(width_onequarter, height_onethird, image.PixelFormat);
Bitmap image_left = new Bitmap(width_onequarter, height_onethird, image.PixelFormat);
Bitmap image_right = new Bitmap(width_onequarter, height_onethird, image.PixelFormat);
Graphics g = null;
//front
g = Graphics.FromImage(image_front);
g.DrawImage(image,
new Rectangle(0, 0, width_onequarter, height_onethird),
new Rectangle(2 * width_onequarter, height_onethird, width_onequarter, height_onethird),
GraphicsUnit.Pixel
);
g.Dispose();
//back
g = Graphics.FromImage(image_back);
g.DrawImage(image,
new Rectangle(0, 0, width_onequarter, height_onethird),
new Rectangle(0, height_onethird, width_onequarter, height_onethird),
GraphicsUnit.Pixel
);
g.Dispose();
//up
g = Graphics.FromImage(image_up);
g.DrawImage(image,
new Rectangle(0, 0, width_onequarter, height_onethird),
new Rectangle(width_onequarter, 0, width_onequarter, height_onethird),
GraphicsUnit.Pixel
);
g.Dispose();
//down
g = Graphics.FromImage(image_down);
g.DrawImage(image,
new Rectangle(0, 0, width_onequarter, height_onethird),
new Rectangle(width_onequarter, 2 * height_onethird, width_onequarter, height_onethird),
GraphicsUnit.Pixel
);
g.Dispose();
//left
g = Graphics.FromImage(image_left);
g.DrawImage(image,
new Rectangle(0, 0, width_onequarter, height_onethird),
new Rectangle(width_onequarter, height_onethird, width_onequarter, height_onethird),
GraphicsUnit.Pixel
);
g.Dispose();
//right
g = Graphics.FromImage(image_right);
g.DrawImage(image,
new Rectangle(0, 0, width_onequarter, height_onethird),
new Rectangle(3 * width_onequarter, height_onethird, width_onequarter, height_onethird),
GraphicsUnit.Pixel
);
g.Dispose();
int newTexture = GL.GenTexture();
GL.BindTexture(TextureTarget.TextureCubeMap, newTexture);
BitmapData data = null;
PixelInternalFormat iFormat = image.PixelFormat == System.Drawing.Imaging.PixelFormat.Format24bppRgb ? PixelInternalFormat.Rgb : PixelInternalFormat.Rgba;
OpenTK.Graphics.OpenGL4.PixelFormat pxFormat = image.PixelFormat == System.Drawing.Imaging.PixelFormat.Format24bppRgb ? OpenTK.Graphics.OpenGL4.PixelFormat.Bgr : OpenTK.Graphics.OpenGL4.PixelFormat.Bgra;
// front
data = image_front.LockBits(new Rectangle(0, 0, image_front.Width, image_front.Height), ImageLockMode.ReadOnly, image.PixelFormat);
GL.TexImage2D(TextureTarget.TextureCubeMapPositiveX, 0, iFormat, data.Width, data.Height, 0, pxFormat, PixelType.UnsignedByte, data.Scan0);
image_front.UnlockBits(data);
// back
data = image_back.LockBits(new Rectangle(0, 0, image_back.Width, image_back.Height), ImageLockMode.ReadOnly, image.PixelFormat);
GL.TexImage2D(TextureTarget.TextureCubeMapNegativeX, 0, iFormat, data.Width, data.Height, 0, pxFormat, PixelType.UnsignedByte, data.Scan0);
image_back.UnlockBits(data);
// up
data = image_up.LockBits(new Rectangle(0, 0, image_up.Width, image_up.Height), ImageLockMode.ReadOnly, image.PixelFormat);
GL.TexImage2D(TextureTarget.TextureCubeMapPositiveY, 0, iFormat, data.Width, data.Height, 0, pxFormat, PixelType.UnsignedByte, data.Scan0);
image_up.UnlockBits(data);
// down
data = image_down.LockBits(new Rectangle(0, 0, image_down.Width, image_down.Height), ImageLockMode.ReadOnly, image.PixelFormat);
GL.TexImage2D(TextureTarget.TextureCubeMapNegativeY, 0, iFormat, data.Width, data.Height, 0, pxFormat, PixelType.UnsignedByte, data.Scan0);
image_down.UnlockBits(data);
// left
data = image_left.LockBits(new Rectangle(0, 0, image_left.Width, image_left.Height), ImageLockMode.ReadOnly, image.PixelFormat);
GL.TexImage2D(TextureTarget.TextureCubeMapPositiveZ, 0, iFormat, data.Width, data.Height, 0, pxFormat, PixelType.UnsignedByte, data.Scan0);
image_left.UnlockBits(data);
// right
data = image_right.LockBits(new Rectangle(0, 0, image_right.Width, image_right.Height), ImageLockMode.ReadOnly, image.PixelFormat);
GL.TexImage2D(TextureTarget.TextureCubeMapNegativeZ, 0, iFormat, data.Width, data.Height, 0, pxFormat, PixelType.UnsignedByte, data.Scan0);
image_right.UnlockBits(data);
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.LinearMipmapLinear);
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapS, (int)TextureWrapMode.ClampToEdge);
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapT, (int)TextureWrapMode.ClampToEdge);
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapR, (int)TextureWrapMode.ClampToEdge);
GL.GenerateMipmap(GenerateMipmapTarget.TextureCubeMap);
mipMapCount = GetMaxMipMapLevels(width_onequarter, height_onethird);
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureBaseLevel, 0);
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMaxLevel, Math.Max(0, mipMapCount - 2));
KWEngine.CustomTextures[KWEngine.CurrentWorld].Add(filename, newTexture);
image.Dispose();
image_front.Dispose();
image_back.Dispose();
image_up.Dispose();
image_down.Dispose();
image_left.Dispose();
image_right.Dispose();
GL.BindTexture(TextureTarget.TextureCubeMap, 0);
return(newTexture);
}
}
catch (Exception ex)
{
Debug.WriteLine("Error loading skybox texture: " + filename + " (" + ex.Message + ")");
return(-1);
}
}
else
{
int id = -1;
KWEngine.CustomTextures[KWEngine.CurrentWorld].TryGetValue(filename, out id);
return(id);
}
}
/// <summary>
/// Erstellt eine Skybox (oder Environment Map) für die aktuelle Szene als Bitmap
/// </summary>
/// <param name="resolution">Auflösung der Skybox (Standard: 4096)</param>
public static void CreateSkyboxFromCurrentSceneAndExit(int resolution = 4096)
{
_resolution = HelperTexture.RoundDownToPowerOf2(resolution);
KWEngine.CurrentWorld.AddRemoveObjects();
CreateFramebuffer();
InitFramebufferBloom();
Matrix4 modelViewProjectionMatrixBloom = Matrix4.CreateScale(_resolution, _resolution, 1) * Matrix4.LookAt(0, 0, 1, 0, 0, 0, 0, 1, 0) * Matrix4.CreateOrthographic(_resolution, _resolution, 0.1f, 100f);
Vector3 camPosition = KWEngine.CurrentWorld.GetCameraPositionEitherWay();
_viewMatrixSkybox[0] = Matrix4.LookAt(camPosition, camPosition + new Vector3(1, 0, 0), new Vector3(0, -1, 0)); // right
_viewMatrixSkybox[1] = Matrix4.LookAt(camPosition, camPosition + new Vector3(-1, 0, 0), new Vector3(0, -1, 0)); // left
_viewMatrixSkybox[2] = Matrix4.LookAt(camPosition, camPosition + new Vector3(0, 1, 0), new Vector3(0, 0, 1)); // top
_viewMatrixSkybox[3] = Matrix4.LookAt(camPosition, camPosition + new Vector3(0, -1, 0), new Vector3(0, 0, -1)); // bottom
_viewMatrixSkybox[4] = Matrix4.LookAt(camPosition, camPosition + new Vector3(0, 0, 1), new Vector3(0, -1, 0)); // front
_viewMatrixSkybox[5] = Matrix4.LookAt(camPosition, camPosition + new Vector3(0, 0, -1), new Vector3(0, -1, 0)); // back
_projectionMatrixSkybox = Matrix4.CreatePerspectiveFieldOfView(
MathHelper.DegreesToRadians(90),
1,
0.1f,
10000);
Bitmap[] bitmaps = new Bitmap[6];
for (int s = 0; s < _viewMatrixSkybox.Length; s++)
{
KWEngine.CurrentWindow.DrawSceneForSkybox(_viewMatrixSkybox[s], _projectionMatrixSkybox, s);
// Downsample framebuffer:
GL.BindFramebuffer(FramebufferTarget.ReadFramebuffer, _fbFull);
GL.BindFramebuffer(FramebufferTarget.DrawFramebuffer, _fbDownsample);
GL.ReadBuffer(ReadBufferMode.ColorAttachment0);
GL.DrawBuffer(DrawBufferMode.ColorAttachment0);
GL.BlitFramebuffer(0, 0, _resolution, _resolution, 0, 0, _resolution, _resolution, ClearBufferMask.ColorBufferBit, BlitFramebufferFilter.Linear);
GL.ReadBuffer(ReadBufferMode.ColorAttachment1);
GL.DrawBuffer(DrawBufferMode.ColorAttachment1);
GL.BlitFramebuffer(0, 0, _resolution, _resolution, 0, 0, _resolution, _resolution, ClearBufferMask.ColorBufferBit, BlitFramebufferFilter.Linear);
// Draw bloom:
GL.UseProgram(KWEngine.RendererBloomOld.GetProgramId());
GL.Viewport(0, 0, _resolution, _resolution);
int sourceTex; // this is the texture that the bloom will be read from
for (int i = 0; i < 4; i++)
{
if (i % 2 == 0)
{
if (i == 0)
{
HelperGeneral.SwitchToBufferAndClear(_fbBloom1);
}
else
{
GL.BindFramebuffer(FramebufferTarget.Framebuffer, _fbBloom1);
}
if (i == 0)
{
sourceTex = _tex1d;
}
else
{
sourceTex = _fbBloomTex1;
}
}
else
{
sourceTex = _fbBloomTex0;
GL.BindFramebuffer(FramebufferTarget.Framebuffer, _fbBloom2);
}
KWEngine.RendererBloomOld.DrawBloom(
KWEngine.KWRect,
ref modelViewProjectionMatrixBloom,
i % 2 == 0,
sourceTex
);
}
HelperGeneral.SwitchToBufferAndClear(_fbDownsample);
GL.UseProgram(KWEngine.RendererMerge.GetProgramId());
GL.Viewport(0, 0, _resolution, _resolution);
KWEngine.RendererMerge.DrawMerge(KWEngine.KWRect, ref modelViewProjectionMatrixBloom, _tex0d, _fbBloomTex1);
GL.UseProgram(0); // unload bloom shader program
GL.BindFramebuffer(FramebufferTarget.Framebuffer, _fbDownsample);
GL.ReadBuffer(ReadBufferMode.ColorAttachment0);
bitmaps[s] = new Bitmap(_resolution, _resolution);
BitmapData bd = bitmaps[s].LockBits(new Rectangle(0, 0, _resolution, _resolution), System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format32bppRgb);
GL.ReadPixels(0, 0, _resolution, _resolution, OpenTK.Graphics.OpenGL4.PixelFormat.Bgra, PixelType.UnsignedByte, bd.Scan0);
bitmaps[s].UnlockBits(bd);
}
// make 6img:
Rectangle srcRect = new Rectangle(0, 0, _resolution, _resolution);
Bitmap finalBitmap = new Bitmap(_resolution * 4, _resolution * 3);
// left?:
using (Graphics grD = Graphics.FromImage(finalBitmap))
{
grD.DrawImage(bitmaps[1], new Rectangle(0, _resolution, _resolution, _resolution), srcRect, GraphicsUnit.Pixel);
}
// front?:
using (Graphics grD = Graphics.FromImage(finalBitmap))
{
grD.DrawImage(bitmaps[4], new Rectangle(_resolution, _resolution, _resolution, _resolution), srcRect, GraphicsUnit.Pixel);
}
// right?:
using (Graphics grD = Graphics.FromImage(finalBitmap))
{
grD.DrawImage(bitmaps[0], new Rectangle(_resolution * 2, _resolution, _resolution, _resolution), srcRect, GraphicsUnit.Pixel);
}
// back?:
using (Graphics grD = Graphics.FromImage(finalBitmap))
{
grD.DrawImage(bitmaps[5], new Rectangle(_resolution * 3, _resolution, _resolution, _resolution), srcRect, GraphicsUnit.Pixel);
}
// top?:
using (Graphics grD = Graphics.FromImage(finalBitmap))
{
grD.DrawImage(bitmaps[2], new Rectangle(_resolution, 0, _resolution, _resolution), srcRect, GraphicsUnit.Pixel);
}
// bottom?:
using (Graphics grD = Graphics.FromImage(finalBitmap))
{
grD.DrawImage(bitmaps[3], new Rectangle(_resolution, _resolution * 2, _resolution, _resolution), srcRect, GraphicsUnit.Pixel);
}
string fileaffix = DateTime.Now.ToString("yyyy-MM-dd_HH-mm-ss");
finalBitmap.Save(fileaffix + "-environmentmap.png", ImageFormat.Png);
finalBitmap.Dispose();
DeleteFramebuffer();
KWEngine.CurrentWindow.ForceClose();
}
internal static void CreateFramebuffer()
{
_fbFull = GL.GenFramebuffer();
GL.BindFramebuffer(FramebufferTarget.Framebuffer, _fbFull);
int renderedTexture = GL.GenTexture();
int renderedTextureAttachment = GL.GenTexture();
int depthTexId = GL.GenTexture();
GL.DrawBuffers(2, new DrawBuffersEnum[2] {
DrawBuffersEnum.ColorAttachment0, DrawBuffersEnum.ColorAttachment1
});
GL.BindTexture(TextureTarget.Texture2D, renderedTexture);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba8,
_resolution, _resolution, 0, OpenTK.Graphics.OpenGL4.PixelFormat.Bgra, PixelType.UnsignedByte, IntPtr.Zero);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (float)TextureMinFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (float)TextureMinFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (float)TextureParameterName.ClampToEdge);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (float)TextureParameterName.ClampToEdge);
//render buffer fsaa:
int renderbufferFSAA = GL.GenRenderbuffer();
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, renderbufferFSAA);
GL.RenderbufferStorageMultisample(RenderbufferTarget.Renderbuffer, 8, RenderbufferStorage.Rgba8, _resolution, _resolution);
GL.FramebufferRenderbuffer(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, RenderbufferTarget.Renderbuffer, renderbufferFSAA);
GL.BindTexture(TextureTarget.Texture2D, renderedTextureAttachment);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba8,
_resolution, _resolution, 0, OpenTK.Graphics.OpenGL4.PixelFormat.Bgra, PixelType.UnsignedByte, IntPtr.Zero);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (float)TextureMinFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (float)TextureMinFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (float)TextureParameterName.ClampToEdge);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (float)TextureParameterName.ClampToEdge);
int renderbufferFSAA2 = GL.GenRenderbuffer();
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, renderbufferFSAA2);
GL.RenderbufferStorageMultisample(RenderbufferTarget.Renderbuffer, 8, RenderbufferStorage.Rgba8, _resolution, _resolution);
GL.FramebufferRenderbuffer(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment1, RenderbufferTarget.Renderbuffer, renderbufferFSAA2);
// depth buffer fsaa:
int depthRenderBuffer = GL.GenRenderbuffer();
GL.BindTexture(TextureTarget.Texture2D, depthTexId);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.DepthComponent32,
_resolution, _resolution, 0, OpenTK.Graphics.OpenGL4.PixelFormat.DepthComponent, PixelType.Float, IntPtr.Zero);
GL.TexParameterI(TextureTarget.Texture2D, TextureParameterName.TextureCompareMode, new int[] { (int)TextureCompareMode.CompareRefToTexture });
GL.TexParameterI(TextureTarget.Texture2D, TextureParameterName.TextureCompareFunc, new int[] { (int)DepthFunction.Lequal });
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (float)TextureMinFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (float)TextureMinFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (float)TextureParameterName.ClampToEdge);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (float)TextureParameterName.ClampToEdge);
GL.FramebufferTexture(FramebufferTarget.Framebuffer, FramebufferAttachment.DepthAttachment, depthTexId, 0);
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, depthRenderBuffer);
GL.RenderbufferStorageMultisample(RenderbufferTarget.Renderbuffer, 8, RenderbufferStorage.DepthComponent32, _resolution, _resolution);
GL.FramebufferRenderbuffer(FramebufferTarget.Framebuffer, FramebufferAttachment.DepthAttachment, RenderbufferTarget.Renderbuffer, depthRenderBuffer);
FramebufferErrorCode code = GL.CheckFramebufferStatus(FramebufferTarget.Framebuffer);
if (code != FramebufferErrorCode.FramebufferComplete)
{
HelperGeneral.ShowErrorAndQuit("HelperSkybox::CreateFramebuffer()", "GL_FRAMEBUFFER_COMPLETE failed. Cannot use FrameBuffer object.");
return;
}
else
{
_tex0 = renderedTexture;
_tex1 = renderedTextureAttachment;
_texDepth = depthTexId;
}
GL.BindTexture(TextureTarget.Texture2D, 0);
// Downsample fb:
_fbDownsample = GL.GenFramebuffer();
GL.BindFramebuffer(FramebufferTarget.Framebuffer, _fbDownsample);
// Init der Textur auf die gerendet wird:
renderedTexture = GL.GenTexture();
renderedTextureAttachment = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, renderedTexture);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba8,
_resolution, _resolution, 0, OpenTK.Graphics.OpenGL4.PixelFormat.Bgra, PixelType.UnsignedByte, IntPtr.Zero);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (float)TextureMinFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (float)TextureMinFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (float)TextureParameterName.ClampToEdge);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (float)TextureParameterName.ClampToEdge);
GL.BindTexture(TextureTarget.Texture2D, renderedTextureAttachment);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba8,
_resolution, _resolution, 0, OpenTK.Graphics.OpenGL4.PixelFormat.Bgra, PixelType.UnsignedByte, IntPtr.Zero);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (float)TextureMinFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (float)TextureMinFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (float)TextureParameterName.ClampToEdge);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (float)TextureParameterName.ClampToEdge);
//Konfig. des frame buffer:
GL.DrawBuffers(2, new DrawBuffersEnum[2] {
DrawBuffersEnum.ColorAttachment0, DrawBuffersEnum.ColorAttachment1
});
GL.FramebufferTexture(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, renderedTexture, 0);
GL.FramebufferTexture(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment1, renderedTextureAttachment, 0);
code = GL.CheckFramebufferStatus(FramebufferTarget.Framebuffer);
if (code != FramebufferErrorCode.FramebufferComplete)
{
HelperGeneral.ShowErrorAndQuit("HelperSkybox::CreateFramebuffer()", "GL_FRAMEBUFFER_COMPLETE failed. Cannot use FrameBuffer object.");
return;
}
else
{
_tex0d = renderedTexture;
_tex1d = renderedTextureAttachment;
}
}
