public void Draw(ResourceManager res, SystemLighting lighting, CommandBuffer buffer, NebulaRenderer nr)
{
//Null check
if (_camera == null)
{
return;
}
//Asteroids!
if (Vector3.DistanceSquared(cameraPos, field.Zone.Position) <= renderDistSq)
{
float fadeNear = field.FillDist - 100f;
float fadeFar = field.FillDist;
if (field.Cube.Count > 0)
{
if (cubeCount == -1)
{
return;
}
asteroidsTask.Wait();
for (int i = 0; i < cubeDrawCalls.Count; i++)
{
cubeDrawCalls[i].Material.Update(_camera);
}
var lt = RenderHelpers.ApplyLights(lighting, 0, cameraPos, field.FillDist, nr);
if (lt.FogMode == FogModes.Linear)
{
lastFog = lt.FogRange.Y;
}
else
{
lastFog = float.MaxValue;
}
int fadeCount = 0;
int regCount = 0;
for (int j = 0; j < cubeCount; j++)
{
var center = cubes[j].pos;
var z = RenderHelpers.GetZ(cameraPos, center);
for (int i = 0; i < cubeDrawCalls.Count; i++)
{
var dc = cubeDrawCalls[i];
if ((Vector3.Distance(center, cameraPos) + cubeRadius) < fadeNear)
{
buffer.AddCommand(
dc.Material.Render,
null,
buffer.WorldBuffer.SubmitMatrix(ref cubes[j].tr),
lt,
cube_vbo,
PrimitiveTypes.TriangleList,
0,
dc.StartIndex,
dc.Count / 3,
SortLayers.OBJECT
);
regCount++;
}
else
{
buffer.AddCommandFade(
dc.Material.Render,
buffer.WorldBuffer.SubmitMatrix(ref cubes[j].tr),
lt,
cube_vbo,
PrimitiveTypes.TriangleList,
dc.StartIndex,
dc.Count / 3,
SortLayers.OBJECT,
new Vector2(fadeNear, fadeFar),
z
);
fadeCount++;
}
}
}
}
if (field.BillboardCount != -1)
{
var cameraLights = RenderHelpers.ApplyLights(lighting, 0, cameraPos, 1, nr);
if (billboardTex == null || billboardTex.IsDisposed)
{
billboardTex = (Texture2D)res.FindTexture(field.BillboardShape.Texture);
}
billboardTask.Wait();
for (int i = 0; i < billboardCount; i++)
{
var alpha = BillboardAlpha(Vector3.Distance(calculatedBillboards[i].Position, cameraPos));
if (alpha <= 0)
{
continue;
}
var coords = billboardCoords [calculatedBillboards [i].Texture];
sys.Billboards.DrawTri(
billboardTex,
calculatedBillboards [i].Position,
calculatedBillboards[i].Size,
new Color4(field.BillboardTint * cameraLights.Ambient, alpha),
coords[0], coords[2], coords[1],
0,
SortLayers.OBJECT
);
}
}
}
//Band is last
if (renderBand)
{
if (!_camera.Frustum.Intersects(new BoundingSphere(field.Zone.Position, lightingRadius)))
{
return;
}
var tex = (Texture2D)res.FindTexture(field.Band.Shape);
var bandHandle = buffer.WorldBuffer.SubmitMatrix(ref bandTransform);
for (int i = 0; i < SIDES; i++)
{
var p = bandCylinder.GetSidePosition(i);
var zcoord = RenderHelpers.GetZ(bandTransform, cameraPos, p);
p = Vector3.Transform(p, bandTransform);
var lt = RenderHelpers.ApplyLights(lighting, 0, p, lightingRadius, nr);
if (lt.FogMode != FogModes.Linear || Vector3.DistanceSquared(cameraPos, p) <= (lightingRadius + lt.FogRange.Y) * (lightingRadius + lt.FogRange.Y))
{
buffer.AddCommand(
bandShader.Shader,
bandShaderDelegate,
bandShaderCleanup,
bandHandle,
lt,
new RenderUserData()
{
Float = field.Band.TextureAspect,
Color = field.Band.ColorShift,
Camera = _camera,
Texture = tex,
},
bandCylinder.VertexBuffer,
PrimitiveTypes.TriangleList,
0,
i * 6,
2,
true,
SortLayers.OBJECT,
zcoord
);
}
}
}
}
public abstract void Draw(ICamera camera, CommandBuffer commands, SystemLighting lights, NebulaRenderer nr);
void RenderFill(CommandBuffer buffer, bool inside)
{
if (Nebula.ExteriorFill == null)
{
return;
}
Vector3 sz = Vector3.Zero;
//Only render ellipsoid and sphere exteriors
if (Nebula.Zone.Shape is ZoneEllipsoid)
{
sz = ((ZoneEllipsoid)Nebula.Zone.Shape).Size / 2; //we want radius instead of diameter
}
else if (Nebula.Zone.Shape is ZoneSphere)
{
sz = new Vector3(((ZoneSphere)Nebula.Zone.Shape).Radius);
}
else
{
return;
}
var p = Nebula.Zone.Position;
var sph = new BoundingSphere(p, Math.Max(sz.X, Math.Max(sz.Y, sz.Z)) * 1.2f);
if (camera.Frustum.Contains(sph) == ContainmentType.Disjoint)
{
return;
}
var tex = (Texture2D)resman.FindTexture(Nebula.ExteriorFill);
//X axis
{
var tl = new VertexPositionTexture(
new Vector3(-1, -1, 0),
new Vector2(0, 1)
);
var tr = new VertexPositionTexture(
new Vector3(+1, -1, 0),
new Vector2(1, 1)
);
var bl = new VertexPositionTexture(
new Vector3(-1, +1, 0),
new Vector2(0, 0)
);
var br = new VertexPositionTexture(
new Vector3(+1, +1, 0),
new Vector2(1, 0)
);
nverts.SubmitQuad(
tl, tr, bl, br
);
}
//Z Axis
{
var tl = new VertexPositionTexture(
new Vector3(0, -1, -1),
new Vector2(0, 1)
);
var tr = new VertexPositionTexture(
new Vector3(0, -1, +1),
new Vector2(1, 1)
);
var bl = new VertexPositionTexture(
new Vector3(0, +1, -1),
new Vector2(0, 0)
);
var br = new VertexPositionTexture(
new Vector3(0, +1, +1),
new Vector2(0, 1)
);
nverts.SubmitQuad(
tl, tr, bl, br
);
}
//Y Axis
{
var tl = new VertexPositionTexture(
new Vector3(-1, 0, -1),
new Vector2(0, 1)
);
var tr = new VertexPositionTexture(
new Vector3(-1, 0, 1),
new Vector2(1, 1)
);
var bl = new VertexPositionTexture(
new Vector3(+1, 0, -1),
new Vector2(0, 0)
);
var br = new VertexPositionTexture(
new Vector3(+1, 0, 1),
new Vector2(0, 1)
);
nverts.SubmitQuad(
tl, tr, bl, br
);
}
var transform = Matrix4x4.CreateScale(sz) * Nebula.Zone.RotationMatrix * Matrix4x4.CreateTranslation(p);
nverts.Draw(
buffer,
camera,
tex,
Nebula.FogColor,
transform,
inside
);
}