public CQuad Clone()
{
CQuad newQuad = new CQuad();
verts.CopyTo(newQuad.verts, 0);
return(newQuad);
}
public override void Load()
{
// load shader
Engine.Global.Device3d.CreateEffect(new Device3dD3d11.CreateEffectCmd()
{
Name = "FxRendercraft_Terrain",
SrcFileName = Engine.Global.FileSystem.GetResourcePath("Engine/Shaders/FxRendercraft_Terrain.fx")
});
// create meshes for the lookup
m_LookupMesh[0] = CQuad.CreateFromPlane(Vector3.UnitX, 0.5f, 0.5f);
m_LookupMesh[1] = CQuad.CreateFromPlane(-Vector3.UnitX, 0.5f, 0.5f);
m_LookupMesh[2] = CQuad.CreateFromPlane(Vector3.UnitY, 0.5f, 0.5f);
m_LookupMesh[3] = CQuad.CreateFromPlane(-Vector3.UnitY, 0.5f, 0.5f);
m_LookupMesh[4] = CQuad.CreateFromPlane(Vector3.UnitZ, 0.5f, 0.5f);
m_LookupMesh[5] = CQuad.CreateFromPlane(-Vector3.UnitZ, 0.5f, 0.5f);
}
public CQuad Clone()
{
CQuad newQuad = new CQuad();
verts.CopyTo(newQuad.verts, 0);
return newQuad;
}
public static CQuad CreateFromPlane(Vector3 normal, float dist, float size)
{
Vector3 u, v;
if (normal == Vector3.UnitZ)
{
u = Vector3.UnitX;
v = Vector3.UnitY;
}
else if (normal == -Vector3.UnitZ)
{
u = Vector3.UnitY;
v = Vector3.UnitX;
}
else
{
u = Vector3.Cross(normal, Vector3.UnitZ);
v = Vector3.Cross(normal, u);
}
Vector3 p0 = normal * dist;
Vector3 fu = u * size;
Vector3 fv = v * size;
Vector3 p1 = p0 - fu + fv;
Vector3 p2 = p0 - fu - fv;
Vector3 p3 = p0 + fu - fv;
Vector3 p4 = p0 + fu + fv;
CQuad newQuad = new CQuad();
newQuad.verts[0] = new FatVertex()
{
Position = new Vector4(p1, 1.0f),
Normal = new Vector4(normal, 0.0f)
};
newQuad.verts[1] = new FatVertex()
{
Position = new Vector4(p2, 1.0f),
Normal = new Vector4(normal, 0.0f)
};
newQuad.verts[2] = new FatVertex()
{
Position = new Vector4(p3, 1.0f),
Normal = new Vector4(normal, 0.0f)
};
newQuad.verts[3] = new FatVertex()
{
Position = new Vector4(p1, 1.0f),
Normal = new Vector4(normal, 0.0f)
};
newQuad.verts[4] = new FatVertex()
{
Position = new Vector4(p3, 1.0f),
Normal = new Vector4(normal, 0.0f)
};
newQuad.verts[5] = new FatVertex()
{
Position = new Vector4(p4, 1.0f),
Normal = new Vector4(normal, 0.0f)
};
return newQuad;
}
public static CQuad CreateFromPlane(Vector3 normal, float dist, float size)
{
Vector3 u, v;
if (normal == Vector3.UnitZ)
{
u = Vector3.UnitX;
v = Vector3.UnitY;
}
else if (normal == -Vector3.UnitZ)
{
u = Vector3.UnitY;
v = Vector3.UnitX;
}
else
{
u = Vector3.Cross(normal, Vector3.UnitZ);
v = Vector3.Cross(normal, u);
}
Vector3 p0 = normal * dist;
Vector3 fu = u * size;
Vector3 fv = v * size;
Vector3 p1 = p0 - fu + fv;
Vector3 p2 = p0 - fu - fv;
Vector3 p3 = p0 + fu - fv;
Vector3 p4 = p0 + fu + fv;
CQuad newQuad = new CQuad();
newQuad.verts[0] = new FatVertex()
{
Position = new Vector4(p1, 1.0f),
Normal = new Vector4(normal, 0.0f)
};
newQuad.verts[1] = new FatVertex()
{
Position = new Vector4(p2, 1.0f),
Normal = new Vector4(normal, 0.0f)
};
newQuad.verts[2] = new FatVertex()
{
Position = new Vector4(p3, 1.0f),
Normal = new Vector4(normal, 0.0f)
};
newQuad.verts[3] = new FatVertex()
{
Position = new Vector4(p1, 1.0f),
Normal = new Vector4(normal, 0.0f)
};
newQuad.verts[4] = new FatVertex()
{
Position = new Vector4(p3, 1.0f),
Normal = new Vector4(normal, 0.0f)
};
newQuad.verts[5] = new FatVertex()
{
Position = new Vector4(p4, 1.0f),
Normal = new Vector4(normal, 0.0f)
};
return(newQuad);
}
public void Generate(CVolumeBuffer volume)
{
int quad_count = Primitive_Count(volume);
int tri_count = quad_count * 2;
int vert_count = tri_count * 3;
// calculate total vertices we need
List <FatVertex> verts = new List <FatVertex>(vert_count);
int size = volume.Size;
for (int z = 0; z < size; ++z)
{
for (int y = 0; y < size; ++y)
{
for (int x = 0; x < size; ++x)
{
int value = volume.GetData(new Vector3(x, y, z));
if (value == 0)
{
if (volume.GetData_BoundarySafe(new Vector3(x + 1, y, z)) > 0)
{
CQuad newQuad = m_LookupMesh[1].Clone();
newQuad.Translate(new Vector3(x + 1, y, z));
verts.AddRange(newQuad.verts);
}
if (volume.GetData_BoundarySafe(new Vector3(x - 1, y, z)) > 0)
{
CQuad newQuad = m_LookupMesh[0].Clone();
newQuad.Translate(new Vector3(x - 1, y, z));
verts.AddRange(newQuad.verts);
}
if (volume.GetData_BoundarySafe(new Vector3(x, y + 1, z)) > 0)
{
CQuad newQuad = m_LookupMesh[3].Clone();
newQuad.Translate(new Vector3(x, y + 1, z));
verts.AddRange(newQuad.verts);
}
if (volume.GetData_BoundarySafe(new Vector3(x, y - 1, z)) > 0)
{
CQuad newQuad = m_LookupMesh[2].Clone();
newQuad.Translate(new Vector3(x, y - 1, z));
verts.AddRange(newQuad.verts);
}
if (volume.GetData_BoundarySafe(new Vector3(x, y, z + 1)) > 0)
{
CQuad newQuad = m_LookupMesh[5].Clone();
newQuad.Translate(new Vector3(x, y, z + 1));
verts.AddRange(newQuad.verts);
}
if (volume.GetData_BoundarySafe(new Vector3(x, y, z - 1)) > 0)
{
CQuad newQuad = m_LookupMesh[4].Clone();
newQuad.Translate(new Vector3(x, y, z - 1));
verts.AddRange(newQuad.verts);
}
}
}
}
}
var vb = Engine.Global.Device3d.CreateBuffer(new Device3dD3d11.SCreateBufferCmd()
{
Name = "VolumeDataVB",
SizeInBytes = (int)vert_count * m_VertDesc.SizeInBytes,
BufferBindFlags = BindFlags.VertexBuffer
});
m_MeshDesc.VBBinding = new VertexBufferBinding(vb, m_VertDesc.SizeInBytes, 0);
// update data buffer
Engine.Global.Device3d.UpdateBufferData("VolumeDataVB", new DataStream(verts.ToArray(), false, false));
m_MeshDesc.VertexCount = vert_count;
}