private void PrepLayer(List <PrototypeComponents.IP_RenderComponent> bucket, ref bool dflag)
{
if (dflag)
{
SortList(bucket);
dflag = false;
}
for (int i = 0; i < bucket.Count; i++)
{
if (!bucket[i].Visable)
{
continue;
}
// imagine four pixels on the edge of a cliff. rendering works the same way.
//V = Viewscreen, aka the console proper.
int startX = _ViewOffsetX + bucket[i].RelXCoords; //startfoo is xy of topleft of rendered object,
//relative to the viewscreen's topleft spot.
int startY = _ViewOffsetY + bucket[i].RelYCoords; //viewoffset is a transform. RelY is modified by object's parent's offset
if (startX > _ViewSizeX || (startX + bucket[i].SizeX) < 0)
{
continue; //sanity check. if object is left of V's right boundry, or too far to the left to appear, its gone.
}
if (startY > _ViewSizeY || (startY + bucket[i].SizeY) < 0)
{
continue; //similar to above
}
int vindexX = 0; //start point for rendering onto the console
int vindexY = 0; //xy coords
int vLimitX = _ViewSizeX; //point where rendering really ought to stop
int vLimitY = _ViewSizeY; //otherwise it starts looping text into dumb places
if (startY > 0)
{
vindexY = startY;
} //if the object is to be drawn lower on the screen, then start lower
if (startX > 0)
{
vindexX = startX;
} //if the object is drawn rightmore on the view, start more right
int bucketgiX = 0; //bucket Graphic Index
int bucketgiY = 0;
if (startX < 0)
{
bucketgiX = startX * -1;
}
if (startY < 0)
{
bucketgiY = startY * -1;
}
if (vLimitX > bucket[i].SizeX + startX)
{
vLimitX = bucket[i].SizeX + startX;
} //if the viewscreen is wider than the object, stop sooner
if (vLimitY > bucket[i].SizeY + startY)
{
vLimitY = bucket[i].SizeY + startY;
} //could be done differently but eh
for (int y = vindexY; y < vLimitY; y++)
{
int bucketgi = bucketgiX + bucketgiY * bucket[i].SizeX;
_MyBuffer.bufferwrite = y * _ViewSizeX + vindexX;
// buffer is stored as a single value, index derived from X+Y*Width.
for (int x = vindexX; x < vLimitX; x++)
{
if (bucket[i].Graphic[bucketgi] == P_Const.NULL_CHAR)
{
_MyBuffer.BufferWrite(' ', P_Const.DefaultBColor, P_Const.DefaultFColor);
bucketgi++;
continue;
}
_MyBuffer.BufferProtectedWrite(bucket[i].Graphic[bucketgi],
bucket[i].BackgroundColor, bucket[i].ForegroundColor);
bucketgi++;
}
bucketgiY++;
}
}
}
