C++ MapCache::trash方法代码示例

void VeinGenerator::write_tiles()
{
    for (int x = 0; x < size.x; x++)
    {
        for (int y = 0; y < size.y; y++)
        {
            df::coord2d column(x,y);

            int top = findTopBlock(map, x, y);

            for (int z = top; z >= 0; z--)
            {
                Block *b = map.BlockAt(df::coord(x,y,z));
                if (!b || !b->is_valid())
                    continue;

                write_block_tiles(b, column, z);

                b->Write();
                map.discardBlock(b);
            }

            map.trash();
        }
    }
}

bool VeinGenerator::scan_tiles()
{
    for (int x = 0; x < size.x; x++)
    {
        for (int y = 0; y < size.y; y++)
        {
            df::coord2d column(x,y);

            int top = findTopBlock(map, x, y);

            // First find where layers start and end
            for (int z = top; z >= 0; z--)
            {
                Block *b = map.BlockAt(df::coord(x,y,z));
                if (!b || !b->is_valid())
                    continue;

                if (!scan_layer_depth(b, column, z))
                    return false;
            }

            if (!adjust_layer_depth(column))
                return false;

            // Collect tile data
            for (int z = top; z >= 0; z--)
            {
                Block *b = map.BlockAt(df::coord(x,y,z));
                if (!b || !b->is_valid())
                    continue;

                if (!scan_block_tiles(b, column, z))
                    return false;

                map.discardBlock(b);
            }

            // Discard this column of parsed blocks
            map.trash();
        }
    }

    return true;
}

command_result revflood(color_ostream &out, vector<string> & params)
{
    for(size_t i = 0; i < params.size();i++)
    {
        if(params[i] == "help" || params[i] == "?")
            return CR_WRONG_USAGE;
    }
    CoreSuspender suspend;
    uint32_t x_max,y_max,z_max;
    if (!Maps::IsValid())
    {
        out.printerr("Map is not available!\n");
        return CR_FAILURE;
    }
    if(revealed != NOT_REVEALED)
    {
        out.printerr("This is only safe to use with non-revealed map.\n");
        return CR_FAILURE;
    }
    t_gamemodes gm;
    World::ReadGameMode(gm);
    if(!World::isFortressMode(gm.g_type) || gm.g_mode != game_mode::DWARF )
    {
        out.printerr("Only in proper dwarf mode.\n");
        return CR_FAILURE;
    }
    int32_t cx, cy, cz;
    Maps::getSize(x_max,y_max,z_max);
    uint32_t tx_max = x_max * 16;
    uint32_t ty_max = y_max * 16;

    Gui::getCursorCoords(cx,cy,cz);
    if(cx == -30000)
    {
        out.printerr("Cursor is not active. Point the cursor at some empty space you want to be unhidden.\n");
        return CR_FAILURE;
    }
    DFCoord xy ((uint32_t)cx,(uint32_t)cy,cz);
    MapCache * MCache = new MapCache;
    df::tiletype tt = MCache->tiletypeAt(xy);
    if(isWallTerrain(tt))
    {
        out.printerr("Point the cursor at some empty space you want to be unhidden.\n");
        delete MCache;
        return CR_FAILURE;
    }
    // hide all tiles, flush cache
    Maps::getSize(x_max,y_max,z_max);

    for(size_t i = 0; i < world->map.map_blocks.size(); i++)
    {
        df::map_block * b = world->map.map_blocks[i];
        // change the hidden flag to 0
        for (uint32_t x = 0; x < 16; x++) for (uint32_t y = 0; y < 16; y++)
        {
            b->designation[x][y].bits.hidden = 1;
        }
    }
    MCache->trash();

    typedef std::pair <DFCoord, bool> foo;
    std::stack < foo > flood;
    flood.push( foo(xy,false) );

    while( !flood.empty() )
    {
        foo tile = flood.top();
        DFCoord & current = tile.first;
        bool & from_below = tile.second;
        flood.pop();

        if(!MCache->testCoord(current))
            continue;
        df::tiletype tt = MCache->baseTiletypeAt(current);
        df::tile_designation des = MCache->designationAt(current);
        if(!des.bits.hidden)
        {
            continue;
        }
        bool below = 0;
        bool above = 0;
        bool sides = 0;
        bool unhide = 1;
        // by tile shape, determine behavior and action
        switch (tileShape(tt))
        {
        // walls:
        case tiletype_shape::WALL:
            if(from_below)
                unhide = 0;
            break;
        // air/free space
        case tiletype_shape::EMPTY:
        case tiletype_shape::RAMP_TOP:
        case tiletype_shape::STAIR_UPDOWN:
        case tiletype_shape::STAIR_DOWN:
        case tiletype_shape::BROOK_TOP:
            above = below = sides = true;
            break;
        // has floor
//.........这里部分代码省略.........