void OPENGL_3D_ENGNIE::DrawFrontBuffer()
{
int roadIdx,signIdx,charIdx,lineIdx;
int frontBufIdx = backBufIdx^1;
int charFrontBufIdx = charBackBufIdx^1;
//draw all the road
glPushMatrix();
for(roadIdx = 0; roadIdx < RoadBuffer[frontBufIdx].number; roadIdx++)
{
DrawRoad(RoadBuffer[frontBufIdx].buffer[roadIdx]);
}
glPopMatrix();
//draw all the sign
for(signIdx = 0; signIdx < signBuffer[frontBufIdx].number; signIdx++)
{
DrawSign(signBuffer[frontBufIdx].buffer[signIdx]);
}
for(lineIdx = 0; lineIdx < lineBuffer[frontBufIdx].number; lineIdx++)
{
DrawLine(&lineBuffer[frontBufIdx].line[lineIdx]);
}
//draw all the charater
for(charIdx = 0; charIdx < charBuffer[charFrontBufIdx].number; charIdx++)
{
DrawChar(charBuffer[charFrontBufIdx].buffer[charIdx]);
}
}
// cGridStructGen::cStructure overrides:
virtual void DrawIntoChunk(cChunkDesc & a_Chunk) override
{
// Iterate over all items
// Each intersecting prefab is placed on ground, then drawn
// Each intersecting road is drawn by replacing top soil blocks with gravel / sandstone blocks
cChunkDef::HeightMap HeightMap; // Heightmap for this chunk, used by roads
m_HeightGen->GenHeightMap(a_Chunk.GetChunkX(), a_Chunk.GetChunkZ(), HeightMap);
for (cPlacedPieces::iterator itr = m_Pieces.begin(), end = m_Pieces.end(); itr != end; ++itr)
{
cPrefab & Prefab = (cPrefab &)((*itr)->GetPiece());
if ((*itr)->GetPiece().GetSize().y == 1)
{
// It's a road, special handling (change top terrain blocks to m_RoadBlock)
DrawRoad(a_Chunk, **itr, HeightMap);
continue;
}
if (Prefab.ShouldMoveToGround() && !(*itr)->HasBeenMovedToGround())
{
PlacePieceOnGround(**itr);
}
Prefab.Draw(a_Chunk, *itr);
} // for itr - m_PlacedPieces[]
}
