internal BitmapSurface(TextureResource texture)
{
_pixels = texture.Pixels;
_width = texture.Width;
_height = texture.Height;
_is8bit = false;
_containsAlpha = texture.ContainsAlpha;
}
public void Draw(TextureResource texture, Rect destination, Rect?source, Color color, float layerDepth)
{
Sprite s;
s.Texture = texture;
s.Source = (source.HasValue ? source.Value : new Rect(0, 0, texture.Width, texture.Height));
s.Destination = destination;
s.Color = color;
_sprites.Add(s);
}
public void Draw(TextureResource texture, Math.Vector2 position)
{
Rect destination;
destination.X = position.X;
destination.Y = position.Y;
destination.Width = texture.Width;
destination.Height = texture.Height;
Draw(texture, destination, null, 0);
}
public void Draw(TextureResource texture, Math.Vector2 destination, Rect?source, Color color, float layerDepth)
{
Sprite s;
s.Texture = texture;
s.Source = (source.HasValue ? source.Value : new Rect(0, 0, texture.Width, texture.Height));
s.Destination.X = destination.X;
s.Destination.Y = destination.Y;
s.Destination.Width = s.Source.Width;
s.Destination.Height = s.Source.Height;
s.Color = color;
_sprites.Add(s);
}
public void Draw(TextureResource texture, Math.Vector2 position, Rect?source)
{
Rect destination;
destination.X = position.X;
destination.Y = position.Y;
if (source.HasValue)
{
destination.Width = source.Value.Width;
destination.Height = source.Value.Height;
}
else
{
destination.Width = texture.Width;
destination.Height = texture.Height;
}
Draw(texture, destination, source, 0);
}
public static void AddBillboard(Math.Vector3 position, float width, float height,
TextureResource texture)
{
if (texture == null)
{
throw new ArgumentNullException("texture");
}
if (_numBillboards < _maxBillboards - 1)
{
_billboards[_numBillboards].Position = position;
_billboards[_numBillboards].Width = width;
_billboards[_numBillboards].Height = height;
_billboards[_numBillboards].Texture = texture;
_billboards[_numBillboards].U = 0;
_billboards[_numBillboards].V = 0;
_billboards[_numBillboards].USize = 1.0f;
_billboards[_numBillboards].VSize = 1.0f;
_numBillboards++;
}
}
internal static void AddBillboard(Math.Vector3 position, float width, float height,
TextureResource diffuse, TextureResource alpha)
{
if (diffuse == null)
{
throw new ArgumentNullException("diffuse");
}
if (_numBillboards < _maxBillboards - 1)
{
_billboards[_numBillboards].Position = position;
_billboards[_numBillboards].Width = width;
_billboards[_numBillboards].Height = height;
_billboards[_numBillboards].Texture = diffuse;
_billboards[_numBillboards].Texture2 = alpha;
_billboards[_numBillboards].U = 0;
_billboards[_numBillboards].V = 0;
_billboards[_numBillboards].USize = 1.0f;
_billboards[_numBillboards].VSize = 1.0f;
_numBillboards++;
}
}
public void CalcRadiosityPass(Graphics.LightmapResource original, Game.RadiosityMaps radiosity)
{
const int batchSize = 256;
Game.Radiosity.LightmapTexel[] texels = new Game.Radiosity.LightmapTexel[batchSize];
System.Runtime.InteropServices.GCHandle[] h = new System.Runtime.InteropServices.GCHandle[_surfaces.Length];
int count = 0;
int currentBatchIndex = 0;
foreach (BspSurface surface in _surfaces)
{
if (surface.index == 90)
{
count++;
}
count++;
//if (count >950)break;
h[surface.index] = System.Runtime.InteropServices.GCHandle.Alloc(radiosity.Maps[surface.index].Map, System.Runtime.InteropServices.GCHandleType.Pinned);
//TextureResource memTex = surface.textureResource;
TextureResource memTex = radiosity.Maps[surface.index].MemoryTexture;
Rect lightmapRect = original.PackedLightmaps.GetPackedTextureRect((int)surface.index);
// iterate over each triangle
for (int tri = 0; tri < surface.VertexCount / 3; tri++)
{
Math.Vector2 a, b, c;
a.X = _lightmapcoords[(surface.VertexIndex + tri * 3 + 0) * 2 + 0];
a.Y = _lightmapcoords[(surface.VertexIndex + tri * 3 + 0) * 2 + 1];
b.X = _lightmapcoords[(surface.VertexIndex + tri * 3 + 1) * 2 + 0];
b.Y = _lightmapcoords[(surface.VertexIndex + tri * 3 + 1) * 2 + 1];
c.X = _lightmapcoords[(surface.VertexIndex + tri * 3 + 2) * 2 + 0];
c.Y = _lightmapcoords[(surface.VertexIndex + tri * 3 + 2) * 2 + 1];
Math.Vector3 pa, pb, pc;
pa.X = _bspVertices[surface.VertexIndex + tri * 3 + 0].X;
pa.Y = _bspVertices[surface.VertexIndex + tri * 3 + 0].Y;
pa.Z = _bspVertices[surface.VertexIndex + tri * 3 + 0].Z;
pb.X = _bspVertices[surface.VertexIndex + tri * 3 + 1].X;
pb.Y = _bspVertices[surface.VertexIndex + tri * 3 + 1].Y;
pb.Z = _bspVertices[surface.VertexIndex + tri * 3 + 1].Z;
pc.X = _bspVertices[surface.VertexIndex + tri * 3 + 2].X;
pc.Y = _bspVertices[surface.VertexIndex + tri * 3 + 2].Y;
pc.Z = _bspVertices[surface.VertexIndex + tri * 3 + 2].Z;
Math.Vector3 up = (pa - pb).Normalize();
Math.Vector3 n = up.Cross((pa - pc).Normalize()).Normalize();
Math.Vector2 minUV, maxUV;
minUV.X = System.Math.Min(System.Math.Min(a.X, b.X), c.X);
minUV.Y = System.Math.Min(System.Math.Min(a.Y, b.Y), c.Y);
maxUV.X = System.Math.Max(System.Math.Max(a.X, b.X), c.X);
maxUV.Y = System.Math.Max(System.Math.Max(a.Y, b.Y), c.Y);
// map the triangle to the texture
int minTX = System.Math.Max((int)(memTex.Width * minUV.X) - 1, 0);
int minTY = System.Math.Max((int)(memTex.Height * minUV.Y) - 1, 0);
int maxTX = System.Math.Min((int)(System.Math.Ceiling(memTex.Width * maxUV.X + 1)), memTex.Width);
int maxTY = System.Math.Min((int)(System.Math.Ceiling(memTex.Height * maxUV.Y + 1)), memTex.Height);
float halfPixelU = 1.0f / memTex.Width * 0.5f;
float halfPixelV = 1.0f / memTex.Height * 0.5f;
// go through each texel and do the radiosity stuff
for (int y = minTY; y < maxTY; y++)
{
for (int x = minTX; x < maxTX; x++)
{
/* if (x < 0 || y < 0 ||
* x >= radiosity.Maps[surface.index].Width ||
* y >= radiosity.Maps[surface.index].Height)
* continue;*/
Math.Vector2 texelUV;
texelUV.X = (float)x / memTex.Width + halfPixelU;
texelUV.Y = (float)y / memTex.Height + halfPixelV;
/*if (memTex.Width > 1)
* texelUV.X = (float)x / memTex.Width + halfPixelU;
* else
* texelUV.X = (float)x / memTex.Width;
*
* if (memTex.Height > 1)
* texelUV.Y = (float)y / memTex.Height + halfPixelV;
* else
* texelUV.Y = (float)y / memTex.Height;
*/
// radiosity.Maps[surface.index].Map[(y * radiosity.Maps[surface.index].Width + x) * 3 + 0] = 1000.0f;
//radiosity.Maps[surface.index].Map[(y * radiosity.Maps[surface.index].Width + x) * 3 + 1] = 0;
// radiosity.Maps[surface.index].Map[(y * radiosity.Maps[surface.index].Width + x) * 3 + 2] = 0;
//radiosity.Maps[surface.index].SetColor(x, y, 1000.0f, 0, 0);
// are we on the triangle?
Math.Vector2 projectedUV;
Math.Vector2 texelMin, texelMax;
texelMin.X = (float)x / memTex.Width;
texelMin.Y = (float)y / memTex.Height;
texelMax.X = (float)(x + 1) / memTex.Width;
texelMax.Y = (float)(y + 1) / memTex.Height;
// if (Gk3Main.Utils.TestTriangleBox(a, b, c, texelMin, texelMax))
if (Gk3Main.Utils.TestTriangleBoxAndGetCenterOfMassUV(a, b, c, texelMin, texelMax, out projectedUV))
{
// Gk3Main.Utils.IsPointInTriangle(texelUV, a, b, c, out projectedUV);
// calc the world coordinates
Math.Vector3 p3 = pa + (pb - pa) * projectedUV.Y + (pc - pa) * projectedUV.X;
//Math.Vector3 p3(p.X, p.Y, p.Z);
//Math.Vector4 p4 = worldView * p3;
texels[currentBatchIndex].Tag = Gk3Main.Utils.IncrementIntPtr(h[surface.index].AddrOfPinnedObject(), (y * radiosity.Maps[surface.index].Width + x) * 3 * 4);
//texels[currentBatchIndex].Tag = (IntPtr)(h[surface.index].AddrOfPinnedObject() + (IntPtr)((y * radiosity.Maps[surface.index].Width + x) * 3 * 4);
texels[currentBatchIndex].PosX = p3.X;
texels[currentBatchIndex].PosY = p3.Y;
texels[currentBatchIndex].PosZ = p3.Z;
texels[currentBatchIndex].NormalX = n.X;
texels[currentBatchIndex].NormalY = n.Y;
texels[currentBatchIndex].NormalZ = n.Z;
texels[currentBatchIndex].UpX = up.X;
texels[currentBatchIndex].UpY = up.Y;
texels[currentBatchIndex].UpZ = up.Z;
texels[currentBatchIndex].Red = 0;
texels[currentBatchIndex].Green = 0;
texels[currentBatchIndex].Blue = 0;
//rad_CalcPass(p4.getX(), p4.getY(), p4.getZ(),
// n.X, n.Y, n.Z,
// &results[(y * texture->GetWidth() + x) * 3 + 0],
// &results[(y * texture->GetWidth() + x) * 3 + 1],
// &results[(y * texture->GetWidth() + x) * 3 + 2]);
//results[(y * texture->GetWidth() + x) * 3 + 0] *= 0.1f;
//results[(y * texture->GetWidth() + x) * 3 + 1] *= 0.1f;
//results[(y * texture->GetWidth() + x) * 3 + 2] *= 0.1f;
currentBatchIndex++;
if (currentBatchIndex >= batchSize)
{
Game.Radiosity.CalcPass(texels, currentBatchIndex);
for (int i = 0; i < currentBatchIndex; i++)
{
//int index = texels[i].Tag.ToInt32() * 3;
unsafe
{
float *f = (float *)texels[i].Tag.ToPointer();
/*radiosity.Maps[surface.index].Map[index + 0] = texels[i].Red;
* radiosity.Maps[surface.index].Map[index + 1] = texels[i].Green;
* radiosity.Maps[surface.index].Map[index + 2] = texels[i].Blue;*/
f[0] = System.Math.Max(texels[i].Red, f[0]);
f[1] = System.Math.Max(texels[i].Green, f[1]);
f[2] = System.Math.Max(texels[i].Blue, f[2]);
}
//texels[i].r
}
currentBatchIndex = 0;
}
}
else
{
currentBatchIndex = currentBatchIndex;
}
}
}
}
}
if (currentBatchIndex > 0)
{
Game.Radiosity.CalcPass(texels, currentBatchIndex);
for (int i = 0; i < currentBatchIndex; i++)
{
unsafe
{
float *f = (float *)texels[i].Tag.ToPointer();
/*radiosity.Maps[surface.index].Map[index + 0] = texels[i].Red;
* radiosity.Maps[surface.index].Map[index + 1] = texels[i].Green;
* radiosity.Maps[surface.index].Map[index + 2] = texels[i].Blue;*/
f[0] = System.Math.Max(texels[i].Red, f[0]);
f[1] = System.Math.Max(texels[i].Green, f[1]);
f[2] = System.Math.Max(texels[i].Blue, f[2]);
}
/*int index = texels[i].Tag.ToInt32() * 3;
* radiosity.Maps[surface.index].Map[index + 0] = texels[i].Red;
* radiosity.Maps[surface.index].Map[index + 1] = texels[i].Green;
* radiosity.Maps[surface.index].Map[index + 2] = texels[i].Blue;
*
*/
//texels[i].r
}
}
}
public void Render(Camera camera, LightmapResource lightmaps, bool calculatingRadiosity)
{
Effect currentEffect;
bool lightmappingEnabled = false;
if (SceneManager.CalculatingRadiosity)
{
currentEffect = _radiosityEffect;
lightmappingEnabled = true;
}
else if (SceneManager.LightmapsEnabled && lightmaps != null)
{
if (SceneManager.CurrentShadeMode == ShadeMode.Flat)
{
currentEffect = _lightmapNoTextureEffect;
lightmappingEnabled = true;
}
else
{
currentEffect = _lightmapEffect;
lightmappingEnabled = true;
}
}
else
{
if (SceneManager.CurrentShadeMode == ShadeMode.Textured)
{
currentEffect = _basicTexturedEffect;
}
else
{
return; // nothing to render
}
}
if (SceneManager.CurrentFilterMode == TextureFilterMode.None)
{
RendererManager.CurrentRenderer.SamplerStates[0] = SamplerState.PointWrap;
RendererManager.CurrentRenderer.SamplerStates[1] = SamplerState.PointWrap;
}
else if (SceneManager.CurrentFilterMode == TextureFilterMode.Anisotropic4X)
{
RendererManager.CurrentRenderer.SamplerStates[0] = SamplerState.AnisotropicWrap;
RendererManager.CurrentRenderer.SamplerStates[1] = SamplerState.AnisotropicWrap;
}
else
{
RendererManager.CurrentRenderer.SamplerStates[0] = SamplerState.LinearWrap;
RendererManager.CurrentRenderer.SamplerStates[1] = SamplerState.LinearWrap;
}
float lightmapMultiplier;
if (SceneManager.DoubleLightmapValues)
{
lightmapMultiplier = 2.0f;
}
else
{
lightmapMultiplier = 1.0f;
}
RendererManager.CurrentRenderer.SetVertexBuffer(_allVertices);
currentEffect.Bind();
if (lightmappingEnabled)
{
currentEffect.SetParameter("LightmapMultiplier", lightmapMultiplier);
TextureResource lightmap = lightmaps.PackedLightmapTexture;
if (lightmap != null)
{
currentEffect.SetParameter("Lightmap", lightmap, 1);
}
}
currentEffect.SetParameter("ModelViewProjection", camera.ViewProjection);
currentEffect.Begin();
for (int i = 0; i < _surfaces.Length; i++)
{
if (_surfaces[i].Hidden == false)
{
if (!calculatingRadiosity || (_surfaces[i].flags & BspSurfaceFlags.DontCastShadows) == 0)
{
drawSurface(_surfaces[i], currentEffect, camera);
}
}
}
currentEffect.End();
}
public static void CalculateLightmaps(LightmapSpecs specs)
{
if (_currentRoom != null && _currentLightmaps != null)
{
Radiosity.Init(new Radiosity.RenderDelegate(renderRadiosityCallback));
_calculatingRadiosity = true;
CurrentFilterMode = TextureFilterMode.None;
LightmapsEnabled = true;
CurrentShadeMode = ShadeMode.Flat;
DoubleLightmapValues = false;
Graphics.Camera originalCamera = CurrentCamera;
Graphics.Viewport originalViewport = Graphics.RendererManager.CurrentRenderer.Viewport;
RadiosityMaps radiosityMaps = _currentRoom.GenerateMemoryTextures(specs);
// generate the omni lights
_omniLightInfo = new List <OmniInfo>();
foreach (LightmapSpecs.OmniLight light in specs.OmniLights)
{
OmniInfo o;
o.Info = light;
Radiosity.GenerateOmniLight((int)light.Radius, light.Color, out o.MemTex, out o.AlphaMask);
_omniLightInfo.Add(o);
}
Graphics.RendererManager.CurrentRenderer.CullMode = Graphics.CullMode.None;
Graphics.TextureResource skyboxTop = Radiosity.GenerateMemoryTexture(16, 16, specs.SkyColor.X, specs.SkyColor.Y, specs.SkyColor.Z);
Graphics.TextureResource skyboxFront = Radiosity.GenerateMemoryTexture(16, 16, specs.SkyColor.X, specs.SkyColor.Y, specs.SkyColor.Z);
Graphics.TextureResource skyboxBack = Radiosity.GenerateMemoryTexture(16, 16, specs.SkyColor.X, specs.SkyColor.Y, specs.SkyColor.Z);
Graphics.TextureResource skyboxLeft = Radiosity.GenerateMemoryTexture(16, 16, specs.SkyColor.X, specs.SkyColor.Y, specs.SkyColor.Z);
Graphics.TextureResource skyboxRight = Radiosity.GenerateMemoryTexture(16, 16, specs.SkyColor.X, specs.SkyColor.Y, specs.SkyColor.Z);
Graphics.TextureResource skyboxBottom = Radiosity.GenerateMemoryTexture(16, 16, 0, 0, 0);
Graphics.BitmapSurface skyboxTopPixels = new Graphics.BitmapSurface(skyboxTop);
Graphics.BitmapSurface skyboxFrontPixels = new Graphics.BitmapSurface(skyboxFront);
Graphics.BitmapSurface skyboxBackPixels = new Graphics.BitmapSurface(skyboxBack);
Graphics.BitmapSurface skyboxLeftPixels = new Graphics.BitmapSurface(skyboxLeft);
Graphics.BitmapSurface skyboxRightPixels = new Graphics.BitmapSurface(skyboxRight);
Graphics.BitmapSurface skyboxBottomPixels = new Graphics.BitmapSurface(skyboxBottom);
// Graphics.SkyBox.AddSun(specs.SunDirection, specs.SunColor, 0.125f, skyboxFrontPixels, skyboxBackPixels, skyboxLeftPixels, skyboxRightPixels, skyboxTopPixels, true);
Graphics.SkyBox originalSkybox = _currentSkybox;
if (_currentSkybox != null)
{
_currentSkybox = new Graphics.SkyBox("box", skyboxFrontPixels, skyboxBackPixels, skyboxLeftPixels, skyboxRightPixels, skyboxTopPixels, skyboxBottomPixels, 0);
_currentSkybox.AddSun(specs.SunDirection, specs.SunColor, true);
}
Graphics.LightmapResource oldLightmaps = _currentLightmaps;
_currentLightmaps = radiosityMaps.CreateBigMemoryTexture(_currentLightmaps.Name);
_currentRoom.CalcRadiosityPass(_currentLightmaps, radiosityMaps);
Radiosity.Shutdown();
_currentRoom.FinalizeVertices(_currentLightmaps, true);
_currentLightmaps = radiosityMaps.ConvertToLightmap(_currentLightmaps.Name, 0.02f);
Graphics.RendererManager.CurrentRenderer.CullMode = Graphics.CullMode.CounterClockwise;
Graphics.RendererManager.CurrentRenderer.Viewport = originalViewport;
CurrentCamera = originalCamera;
_currentSkybox = originalSkybox;
_calculatingRadiosity = false;
}
}
public void ReplaceTexture(int meshIndex, int groupIndex, string textureName)
{
TextureResource texture = _content.Load <TextureResource>(textureName);
_meshes[meshIndex].sections[groupIndex].textureResource = texture;
}
public abstract void SetParameter(string name, TextureResource parameter, int index);
