oGame Create Event

state = "initializing";

globalvar map;

mapwidth = room_width/GRID_SIZE;
mapheight = room_height/GRID_SIZE;

// create grid of node objects
for(xx = 0; xx < mapwidth; xx += 1)
{
for(yy = 0; yy < mapheight; yy += 1)
{

map[xx, yy] = instance_create(xx * GRID_SIZE, yy * GRID_SIZE, obj_node);
}
}

for(xx = 0; xx < mapwidth; xx += 1)
{
    for(yy = 0; yy < mapheight; yy += 1)
{
    node = map[xx, yy];

    // add left neighbour
    if(xx > 0)
    {
    ds_list_add(node.neighbours, map[xx - 1, yy]);
    }

    // add right neighbour
    if(xx < mapwidth - 1)
    {
    ds_list_add(node.neighbours, map[xx + 1, yy]);
    }

    // add top neighbour
    if(yy > 0)
    {
    ds_list_add(node.neighbours, map[xx, yy - 1]);
    }

    // add bottom neighbour
    if(yy < mapheight - 1)
    {
    ds_list_add(node.neighbours, map[xx, yy + 1]);
    }

    // add top left neighbour
    if(xx > 0 && yy > 0)
    {
    ds_list_add(node.neighbours, map[xx -1, yy -1]);
    }

    // add top right neighbour
    if(xx < mapwidth -1 && yy > 0)
    {
    ds_list_add(node.neighbours, map[xx +1, yy -1]);
    }

    // add bottom left neighbour
    if(xx > 0 && yy < mapheight - 1)
    {
    ds_list_add(node.neighbours, map[xx -1, yy +1]);
    }

    // add bottom right neighbour
    if(xx < mapwidth -1 && yy < mapheight -1)
    {
    ds_list_add(node.neighbours, map[xx +1, yy +1]);
    }
}
}

    instance_create(0, 0, obj_cursor);