Rendering lights, fow penumbra, human anim tweaking, female sprite, electricity bugfixes

This commit is contained in:
Regalis
2015-07-24 00:36:44 +03:00
parent 4820e55e05
commit c2be74324d
36 changed files with 334 additions and 150 deletions
+79 -9
View File
@@ -8,7 +8,8 @@ namespace Subsurface.Lights
class ConvexHull
{
public static List<ConvexHull> list = new List<ConvexHull>();
static BasicEffect drawingEffect;
static BasicEffect fowEffect;
static BasicEffect shadowEffect;
private VertexPositionColor[] vertices;
private short[] indices;
@@ -86,14 +87,22 @@ namespace Subsurface.Lights
// }
//}
public void DrawShadows(GraphicsDevice graphicsDevice, Camera cam, Vector2 lightSourcePos)
public void DrawShadows(GraphicsDevice graphicsDevice, Camera cam, Vector2 lightSourcePos, bool fow = true)
{
if (!Enabled) return;
if (drawingEffect == null)
if (fowEffect == null)
{
drawingEffect = new BasicEffect(graphicsDevice);
drawingEffect.VertexColorEnabled = true;
fowEffect = new BasicEffect(graphicsDevice);
fowEffect.VertexColorEnabled = true;
}
if (shadowEffect==null)
{
shadowEffect = new BasicEffect(graphicsDevice);
shadowEffect.TextureEnabled = true;
//shadowEffect.VertexColorEnabled = true;
shadowEffect.LightingEnabled = false;
shadowEffect.Texture = Game1.TextureLoader.FromFile("Content/lights/penumbra.png");
}
//compute facing of each edge, using N*L
@@ -129,6 +138,59 @@ namespace Subsurface.Lights
startingIndex = nextEdge;
}
VertexPositionTexture[] penumbraVertices = new VertexPositionTexture[6];
if (fow)
{
for (int n = 0; n < 4; n+=3)
{
Vector3 penumbraStart = (n == 0) ? vertices[startingIndex].Position : vertices[endingIndex].Position;
penumbraVertices[n] = new VertexPositionTexture();
penumbraVertices[n].Position = penumbraStart;
penumbraVertices[n].TextureCoordinate = new Vector2(0.0f, 1.0f);
//penumbraVertices[0].te = fow ? Color.Black : Color.Transparent;
for (int i = 0; i < 2; i++ )
{
penumbraVertices[n + i + 1] = new VertexPositionTexture();
Vector3 vertexDir = penumbraStart - new Vector3(lightSourcePos, 0);
vertexDir.Normalize();
Vector3 normal = (i == 0) ? new Vector3(-vertexDir.Y, vertexDir.X, 0.0f) : new Vector3(vertexDir.Y, -vertexDir.X, 0.0f)*0.05f;
if (n > 0) normal = -normal;
vertexDir = penumbraStart - (new Vector3(lightSourcePos, 0) - normal * 20.0f);
vertexDir.Normalize();
penumbraVertices[n + i + 1].Position = new Vector3(lightSourcePos, 0) + vertexDir * 9000;
if (i==0)
{
//penumbraVertices[n].Position -= normal*2.0f;
}
if (fow)
{
penumbraVertices[n + i + 1].TextureCoordinate = (i == 0) ? new Vector2(0.05f, 0.0f) : new Vector2(1.0f, 0.0f);
}
else
{
penumbraVertices[n + i + 1].TextureCoordinate = (i == 0) ? new Vector2(1.0f, 0.0f):Vector2.Zero;
}
//penumbraVertices[i+1].Color = Color.Black;
}
if (n>0)
{
var temp = penumbraVertices[4];
penumbraVertices[4] = penumbraVertices[5];
penumbraVertices[5] = temp;
}
}
}
int shadowVertexCount;
//nr of vertices that are in the shadow
@@ -148,12 +210,12 @@ namespace Subsurface.Lights
//one vertex on the hull
shadowVertices[svCount] = new VertexPositionColor();
shadowVertices[svCount].Color = Color.Black;
shadowVertices[svCount].Color = fow ? Color.Black : Color.Transparent;
shadowVertices[svCount].Position = vertexPos;
//one extruded by the light direction
shadowVertices[svCount + 1] = new VertexPositionColor();
shadowVertices[svCount + 1].Color = Color.Black;
shadowVertices[svCount + 1].Color = fow ? Color.Black : Color.Transparent;
Vector3 L2P = vertexPos - new Vector3(lightSourcePos, 0);
L2P.Normalize();
shadowVertices[svCount + 1].Position = new Vector3(lightSourcePos, 0) + L2P * 9000;
@@ -162,12 +224,20 @@ namespace Subsurface.Lights
currentIndex = (currentIndex + 1) % primitiveCount;
}
drawingEffect.World = cam.ShaderTransform
fowEffect.World = cam.ShaderTransform
* Matrix.CreateOrthographic(Game1.GraphicsWidth, Game1.GraphicsHeight, -1, 1) * 0.5f;
drawingEffect.CurrentTechnique.Passes[0].Apply();
fowEffect.CurrentTechnique.Passes[0].Apply();
graphicsDevice.DrawUserPrimitives<VertexPositionColor>(PrimitiveType.TriangleStrip, shadowVertices, 0, shadowVertexCount * 2 - 2);
if (fow)
{
shadowEffect.World = cam.ShaderTransform
* Matrix.CreateOrthographic(Game1.GraphicsWidth, Game1.GraphicsHeight, -1, 1) * 0.5f;
shadowEffect.CurrentTechnique.Passes[0].Apply();
graphicsDevice.DrawUserPrimitives<VertexPositionTexture>(PrimitiveType.TriangleList, penumbraVertices, 0, 2, VertexPositionTexture.VertexDeclaration);
}
}
public void Remove()
+15 -7
View File
@@ -67,24 +67,32 @@ namespace Subsurface.Lights
{
graphics.SetRenderTarget(lightMap);
Rectangle viewRect = cam.WorldView;
viewRect.Y -= cam.WorldView.Height;
//clear to some small ambient light
graphics.Clear(AmbientLight);
foreach (LightSource light in lights)
{
if (light.Color.A < 0.01f || light.Range < 0.01f) continue;
if (!MathUtils.CircleIntersectsRectangle(light.Position, light.Range, viewRect)) continue;
//clear alpha to 1
ClearAlphaToOne(graphics, spriteBatch);
//draw all shadows
//write only to the alpha channel, which sets alpha to 0
//graphics.RasterizerState = RasterizerState.CullNone;
//graphics.BlendState = CustomBlendStates.WriteToAlpha;
graphics.RasterizerState = RasterizerState.CullNone;
graphics.BlendState = CustomBlendStates.WriteToAlpha;
//foreach (ConvexHull ch in ConvexHull.list)
//{
// //draw shadow
// ch.DrawShadows(graphics, cam, light.Position);
//}
foreach (ConvexHull ch in ConvexHull.list)
{
//draw shadow
ch.DrawShadows(graphics, cam, light.Position, false);
}
//draw the light shape
//where Alpha is 0, nothing will be written