void Cl_ReadSideDelta(dint /*deltaType*/)
{
/// @todo Do not assume the CURRENT map.
world::Map &map = App_World().map();
dint const index = Reader_ReadUInt16(msgReader);
dint const df = Reader_ReadPackedUInt32(msgReader); // Flags.
LineSide *side = map.sidePtr(index);
DENG2_ASSERT(side != 0);
if (df & SIDF_TOP_MATERIAL)
{
dint matIndex = Reader_ReadPackedUInt16(msgReader);
side->top().setMaterial(Cl_LocalMaterial(matIndex));
}
if (df & SIDF_MID_MATERIAL)
{
dint matIndex = Reader_ReadPackedUInt16(msgReader);
side->middle().setMaterial(Cl_LocalMaterial(matIndex));
}
if (df & SIDF_BOTTOM_MATERIAL)
{
dint matIndex = Reader_ReadPackedUInt16(msgReader);
side->bottom().setMaterial(Cl_LocalMaterial(matIndex));
}
if (df & SIDF_LINE_FLAGS)
{
// The delta includes the entire lowest byte.
dint lineFlags = Reader_ReadByte(msgReader);
Line &line = side->line();
line.setFlags((line.flags() & ~0xff) | lineFlags, de::ReplaceFlags);
}
if (df & (SIDF_TOP_COLOR_RED | SIDF_TOP_COLOR_GREEN | SIDF_TOP_COLOR_BLUE))
{
Vector3f newColor = side->top().color();
if (df & SIDF_TOP_COLOR_RED)
newColor.x = Reader_ReadByte(msgReader) / 255.f;
if (df & SIDF_TOP_COLOR_GREEN)
newColor.y = Reader_ReadByte(msgReader) / 255.f;
if (df & SIDF_TOP_COLOR_BLUE)
newColor.z = Reader_ReadByte(msgReader) / 255.f;
side->top().setColor(newColor);
}
if (df & (SIDF_MID_COLOR_RED | SIDF_MID_COLOR_GREEN | SIDF_MID_COLOR_BLUE))
{
Vector3f newColor = side->middle().color();
if (df & SIDF_MID_COLOR_RED)
newColor.x = Reader_ReadByte(msgReader) / 255.f;
if (df & SIDF_MID_COLOR_GREEN)
newColor.y = Reader_ReadByte(msgReader) / 255.f;
if (df & SIDF_MID_COLOR_BLUE)
newColor.z = Reader_ReadByte(msgReader) / 255.f;
side->middle().setColor(newColor);
}
if (df & SIDF_MID_COLOR_ALPHA)
{
side->middle().setOpacity(Reader_ReadByte(msgReader) / 255.f);
}
if (df & (SIDF_BOTTOM_COLOR_RED | SIDF_BOTTOM_COLOR_GREEN | SIDF_BOTTOM_COLOR_BLUE))
{
Vector3f newColor = side->bottom().color();
if (df & SIDF_BOTTOM_COLOR_RED)
newColor.x = Reader_ReadByte(msgReader) / 255.f;
if (df & SIDF_BOTTOM_COLOR_GREEN)
newColor.y = Reader_ReadByte(msgReader) / 255.f;
if (df & SIDF_BOTTOM_COLOR_BLUE)
newColor.z = Reader_ReadByte(msgReader) / 255.f;
side->bottom().setColor(newColor);
}
if (df & SIDF_MID_BLENDMODE)
{
side->middle().setBlendMode(blendmode_t(Reader_ReadInt32(msgReader)));
}
if (df & SIDF_FLAGS)
{
// The delta includes the entire lowest byte.
dint sideFlags = Reader_ReadByte(msgReader);
side->setFlags((side->flags() & ~0xff) | sideFlags, de::ReplaceFlags);
}
}
