Method MapTiles_Draw

Source/PC/Graphics_PC.cpp:286–342

}

void cGraphics_PC::MapTiles_Draw() {

    uint8* Target = mSurface->GetSurfaceBuffer();

    uint8* CurrentMapPtr = mFodder->mMap->data() + mFodder->mMapTile_Ptr;

    // Y
    for (uint16 cx = 0; cx <= g_Fodder->getWindowRows() + 1; ++cx) {
        uint8* MapPtr = CurrentMapPtr;
        uint8* TargetRow = Target;

        uint16 StartY = 0;

        if (cx == 0)
            StartY = mFodder->mMapTile_RowOffset;

        // X
        for (uint16 cx2 = 0; cx2 <= g_Fodder->getWindowColumns() + 1; ++cx2) {
            uint8* TargetTmp = TargetRow;

            // Verify we are inside the actual map data
            if (MapPtr >= mFodder->mMap->data()) {

                if (MapPtr >= mFodder->mMap->data() + mFodder->mMap->size())
                    continue;

                uint16 Tile = readLE<uint16>(MapPtr) & 0x1FF;
                if (Tile > 0x1DF)
                    Tile = 0;

                uint8* TilePtr = mTile_Gfx_Ptrs[Tile];
                uint16 StartX = 0;

                TilePtr += StartY * 0x140;

                if (cx2 == 0)
                    StartX = mFodder->mMapTile_ColumnOffset;

                // Each Tile Row
                for (uint16 i = StartY; i < 16; ++i) {

                    memcpy(TargetTmp, TilePtr + StartX, 16 - StartX);

                    TilePtr += 0x140;
                    TargetTmp += mSurface->GetWidth();
                }

                MapPtr += 2;
                TargetRow += (16 - StartX);
            }
        }

        Target += mSurface->GetWidth() * (16 - StartY);
        CurrentMapPtr += mFodder->mMapLoaded->getWidth() << 1;
    }
    mSurface->Save();
}