Method setTile

core/2d/TileMapAtlas.cpp:124–148

TileMapAtlas - Atlas generation / updates

// TileMapAtlas - Atlas generation / updates
void TileMapAtlas::setTile(const Color3B& tile, const Vec2& position)
{
    AXASSERT(_TGAInfo != nullptr, "tgaInfo must not be nil");
    AXASSERT(position.x < _TGAInfo->width, "Invalid position.x");
    AXASSERT(position.y < _TGAInfo->height, "Invalid position.x");
    AXASSERT(tile.r != 0, "R component must be non 0");

    Color3B* ptr  = (Color3B*)_TGAInfo->imageData;
    Color3B value = ptr[(unsigned int)(position.x + position.y * _TGAInfo->width)];
    if (value.r == 0)
    {
        AXLOGD("Value.r must be non 0.");
    }
    else
    {
        ptr[(unsigned int)(position.x + position.y * _TGAInfo->width)] = tile;

        // FIXME:: this method consumes a lot of memory
        // FIXME:: a tree of something like that shall be implemented
        std::string key = StringUtils::toString(position.x) + "," + StringUtils::toString(position.y);
        int num         = _posToAtlasIndex[key].asInt();

        this->updateAtlasValueAt(position, tile, num);
    }
}

Color3B TileMapAtlas::getTileAt(const Vec2& position) const
{