void SpriteXQuad(BlockID block, bool firstPart)
{
int texLoc = BlockInfo.GetTextureLoc(block, Side.Right);
TextureRec rec = TerrainAtlas1D.GetTexRec(texLoc, 1, out texIndex);
if (lastTexIndex != texIndex)
{
Flush();
}
VertexP3fT2fC4bN1v v = default(VertexP3fT2fC4bN1v);
v.Colour = colNormal;
if (BlockInfo.Tinted[block])
{
v.Colour = Utils.Tint(v.Colour, BlockInfo.FogColour[block]);
}
float z1 = firstPart ? 0.5f : -0.1f, z2 = firstPart ? 1.1f : 0.5f;
rec.U1 = firstPart ? 0.0f : 0.5f; rec.U2 = (firstPart ? 0.5f : 1.0f) * (15.99f / 16f);
float minY = scale * (1 - 0 * 2) + pos.Y, maxY = scale * (1 - 1.1f * 2) + pos.Y;
float minZ = scale * (1 - z1 * 2) + pos.Z, maxZ = scale * (1 - z2 * 2) + pos.Z;
v.X = pos.X;
v.Y = minY; v.Z = minZ; v.U = rec.U2; v.V = rec.V2; vertices[index++] = v;
v.Y = maxY; v.V = rec.V1; vertices[index++] = v;
v.Z = maxZ; v.U = rec.U1; vertices[index++] = v;
v.Y = minY; v.V = rec.V2; vertices[index++] = v;
}
const byte c = 255; // avoids 'ambiguous match' compile errors.
static void DrawSquareShadow(VertexP3fT2fC4bN1v[] verts, ref int index,
float y, float x, float z)
{
int col = new FastColour(c, c, c, (byte)220).Pack();
TextureRec rec = new TextureRec(63 / 128f, 63 / 128f, 1 / 128f, 1 / 128f);
verts[index++] = new VertexP3fT2fC4bN1v(x, y, z, rec.U1, rec.V1, col);
verts[index++] = new VertexP3fT2fC4bN1v(x + 1, y, z, rec.U2, rec.V1, col);
verts[index++] = new VertexP3fT2fC4bN1v(x + 1, y, z + 1, rec.U2, rec.V2, col);
verts[index++] = new VertexP3fT2fC4bN1v(x, y, z + 1, rec.U1, rec.V2, col);
}
protected void DrawPart(ModelPart part)
{
VertexP3fT2fC4bN1v vertex = default(VertexP3fT2fC4bN1v);
VertexP3fT2fC4bN1v[] finVertices = game.ModelCache.vertices;
for (int i = 0; i < part.Count; i++)
{
ModelVertex v = vertices[part.Offset + i];
vertex.X = v.X; vertex.Y = v.Y; vertex.Z = v.Z;
vertex.Colour = cols[i >> 2];
vertex.Normal = v.D;
vertex.U = (v.U & UVMask) * uScale - (v.U >> UVMaxShift) * 0.01f * uScale;
vertex.V = (v.V & UVMask) * vScale - (v.V >> UVMaxShift) * 0.01f * vScale;
finVertices[index++] = vertex;
}
}
protected void DrawRotate(float angleX, float angleY, float angleZ, ModelPart part, bool head, bool rotNormal)
{
float cosX = (float)Math.Cos(-angleX), sinX = (float)Math.Sin(-angleX);
float cosY = (float)Math.Cos(-angleY), sinY = (float)Math.Sin(-angleY);
float cosZ = (float)Math.Cos(-angleZ), sinZ = (float)Math.Sin(-angleZ);
float x = part.RotX, y = part.RotY, z = part.RotZ;
VertexP3fT2fC4bN1v vertex = default(VertexP3fT2fC4bN1v);
VertexP3fT2fC4bN1v[] finVertices = game.ModelCache.vertices;
for (int i = 0; i < part.Count; i++)
{
ModelVertex v = vertices[part.Offset + i];
v.X -= x; v.Y -= y; v.Z -= z;
float t = 0;
// Rotate locally
if (Rotate == RotateOrder.ZYX)
{
t = cosZ * v.X + sinZ * v.Y; v.Y = -sinZ * v.X + cosZ * v.Y; v.X = t; // Inlined RotZ
t = cosY * v.X - sinY * v.Z; v.Z = sinY * v.X + cosY * v.Z; v.X = t; // Inlined RotY
t = cosX * v.Y + sinX * v.Z; v.Z = -sinX * v.Y + cosX * v.Z; v.Y = t; // Inlined RotX
}
else if (Rotate == RotateOrder.XZY)
{
t = cosX * v.Y + sinX * v.Z; v.Z = -sinX * v.Y + cosX * v.Z; v.Y = t; // Inlined RotX
t = cosZ * v.X + sinZ * v.Y; v.Y = -sinZ * v.X + cosZ * v.Y; v.X = t; // Inlined RotZ
t = cosY * v.X - sinY * v.Z; v.Z = sinY * v.X + cosY * v.Z; v.X = t; // Inlined RotY
}
else if (Rotate == RotateOrder.YZX)
{
t = cosY * v.X - sinY * v.Z; v.Z = sinY * v.X + cosY * v.Z; v.X = t; // Inlined RotY
t = cosZ * v.X + sinZ * v.Y; v.Y = -sinZ * v.X + cosZ * v.Y; v.X = t; // Inlined RotZ
t = cosX * v.Y + sinX * v.Z; v.Z = -sinX * v.Y + cosX * v.Z; v.Y = t; // Inlined RotX
}
// Rotate globally
if (head)
{
t = cosHead * v.X - sinHead * v.Z; v.Z = sinHead * v.X + cosHead * v.Z; v.X = t; // Inlined RotY
}
vertex.X = v.X + x; vertex.Y = v.Y + y; vertex.Z = v.Z + z;
vertex.Colour = cols[i >> 2];
if (!v.N)
{
vertex.Normal = v.D;
}
float normalAngleX = angleX;
float normalAngleY = angleY;
float normalAngleZ = angleZ;
if (rotNormal)
{
normalAngleX = angleX;
normalAngleY = angleY;
normalAngleZ = -angleZ;
}
if (Rotate == RotateOrder.ZYX)
{
Vector3 newNormal = vertex.Normal;
newNormal = Utils.RotateZ(newNormal, -normalAngleZ);
newNormal = Utils.RotateY(newNormal, -normalAngleY);
newNormal = Utils.RotateX(newNormal, -normalAngleX);
vertex.Normal = newNormal;
}
else if (Rotate == RotateOrder.XZY)
{
Vector3 newNormal = vertex.Normal;
newNormal = Utils.RotateX(newNormal, -normalAngleX);
newNormal = Utils.RotateZ(newNormal, -normalAngleZ);
newNormal = Utils.RotateY(newNormal, -normalAngleY);
vertex.Normal = newNormal;
}
else if (Rotate == RotateOrder.YZX)
{
Vector3 newNormal = vertex.Normal;
newNormal = Utils.RotateY(newNormal, -normalAngleY);
newNormal = Utils.RotateZ(newNormal, -normalAngleZ);
newNormal = Utils.RotateX(newNormal, -normalAngleX);
vertex.Normal = newNormal;
}
v.N = true;
vertex.U = (v.U & UVMask) * uScale - (v.U >> UVMaxShift) * 0.01f * uScale;
vertex.V = (v.V & UVMask) * vScale - (v.V >> UVMaxShift) * 0.01f * vScale;
finVertices[index++] = vertex;
}
}
