/**
* Determines the Z-axis bias scale factor for the given @a sector.
*/
static int biasForSector(Sector const §or)
{
int const height = int(sector.ceiling().height() - sector.floor().height());
bool hasSkyFloor = sector.floorSurface().hasSkyMaskedMaterial();
bool hasSkyCeil = sector.ceilingSurface().hasSkyMaskedMaterial();
if(hasSkyFloor && !hasSkyCeil)
{
return -height / 6;
}
if(!hasSkyFloor && hasSkyCeil)
{
return height / 6;
}
if(height > 100)
{
return (height - 100) / 2;
}
return 0;
}
void Cl_ReadSectorDelta(dint /*deltaType*/)
{
/// @todo Do not assume the CURRENT map.
world::Map &map = App_World().map();
#define PLN_FLOOR 0
#define PLN_CEILING 1
dfloat height[2] = { 0, 0 };
dfloat target[2] = { 0, 0 };
dfloat speed[2] = { 0, 0 };
// Sector index number.
Sector *sec = map.sectorPtr(Reader_ReadUInt16(msgReader));
DENG2_ASSERT(sec);
// Flags.
dint df = Reader_ReadPackedUInt32(msgReader);
if (df & SDF_FLOOR_MATERIAL)
{
P_SetPtrp(sec, DMU_FLOOR_OF_SECTOR | DMU_MATERIAL,
Cl_LocalMaterial(Reader_ReadPackedUInt16(msgReader)));
}
if (df & SDF_CEILING_MATERIAL)
{
P_SetPtrp(sec, DMU_CEILING_OF_SECTOR | DMU_MATERIAL,
Cl_LocalMaterial(Reader_ReadPackedUInt16(msgReader)));
}
if (df & SDF_LIGHT)
P_SetFloatp(sec, DMU_LIGHT_LEVEL, Reader_ReadByte(msgReader) / 255.0f);
if (df & SDF_FLOOR_HEIGHT)
height[PLN_FLOOR] = FIX2FLT(Reader_ReadInt16(msgReader) << 16);
if (df & SDF_CEILING_HEIGHT)
height[PLN_CEILING] = FIX2FLT(Reader_ReadInt16(msgReader) << 16);
if (df & SDF_FLOOR_TARGET)
target[PLN_FLOOR] = FIX2FLT(Reader_ReadInt16(msgReader) << 16);
if (df & SDF_FLOOR_SPEED)
speed[PLN_FLOOR] = FIX2FLT(Reader_ReadByte(msgReader) << (df & SDF_FLOOR_SPEED_44 ? 12 : 15));
if (df & SDF_CEILING_TARGET)
target[PLN_CEILING] = FIX2FLT(Reader_ReadInt16(msgReader) << 16);
if (df & SDF_CEILING_SPEED)
speed[PLN_CEILING] = FIX2FLT(Reader_ReadByte(msgReader) << (df & SDF_CEILING_SPEED_44 ? 12 : 15));
if (df & (SDF_COLOR_RED | SDF_COLOR_GREEN | SDF_COLOR_BLUE))
{
Vector3f newColor = sec->lightColor();
if (df & SDF_COLOR_RED)
newColor.x = Reader_ReadByte(msgReader) / 255.f;
if (df & SDF_COLOR_GREEN)
newColor.y = Reader_ReadByte(msgReader) / 255.f;
if (df & SDF_COLOR_BLUE)
newColor.z = Reader_ReadByte(msgReader) / 255.f;
sec->setLightColor(newColor);
}
if (df & (SDF_FLOOR_COLOR_RED | SDF_FLOOR_COLOR_GREEN | SDF_FLOOR_COLOR_BLUE))
{
Vector3f newColor = sec->floor().surface().color();
if (df & SDF_FLOOR_COLOR_RED)
newColor.x = Reader_ReadByte(msgReader) / 255.f;
if (df & SDF_FLOOR_COLOR_GREEN)
newColor.y = Reader_ReadByte(msgReader) / 255.f;
if (df & SDF_FLOOR_COLOR_BLUE)
newColor.z = Reader_ReadByte(msgReader) / 255.f;
sec->floor().surface().setColor(newColor);
}
if (df & (SDF_CEIL_COLOR_RED | SDF_CEIL_COLOR_GREEN | SDF_CEIL_COLOR_BLUE))
{
Vector3f newColor = sec->ceiling().surface().color();
if (df & SDF_CEIL_COLOR_RED)
newColor.x = Reader_ReadByte(msgReader) / 255.f;
if (df & SDF_CEIL_COLOR_GREEN)
newColor.y = Reader_ReadByte(msgReader) / 255.f;
if (df & SDF_CEIL_COLOR_BLUE)
newColor.z = Reader_ReadByte(msgReader) / 255.f;
sec->ceiling().surface().setColor(newColor);
}
// The whole delta has now been read.
// Do we need to start any moving planes?
if (df & SDF_FLOOR_HEIGHT)
{
ClPlaneMover::newThinker(sec->floor(), height[PLN_FLOOR], 0);
}
else if (df & (SDF_FLOOR_TARGET | SDF_FLOOR_SPEED))
{
ClPlaneMover::newThinker(sec->floor(), target[PLN_FLOOR], speed[PLN_FLOOR]);
}
if (df & SDF_CEILING_HEIGHT)
{
ClPlaneMover::newThinker(sec->ceiling(), height[PLN_CEILING], 0);
}
else if (df & (SDF_CEILING_TARGET | SDF_CEILING_SPEED))
{
ClPlaneMover::newThinker(sec->ceiling(), target[PLN_CEILING], speed[PLN_CEILING]);
}
#undef PLN_CEILING
#undef PLN_FLOOR
}
