Thanks a lot for sharing this, Sami.

I've included a link to it on the further resources page, so it will be easy for others to find it in the future.

I hope that more developers will follow your example, so we can gather a large library of readily usable add-ons and utilities for the AngelScript engine.

This is exactly what I've been searching for. I'm building a modular game engine with AngelScript as main scripting language, so I'm definitely going to have a look to your work. Thank you for sharing this :D

Just one comment about iterator syntax:

We should be able to use auto instead of rewriting the container type, like we can in C++. Do you think it could be implemented?

Wow, that was quick

I tried to include your code in my project to see if it works, however I noticed you used an as:: alias of the AngelScript namespace, while I don't in the rest of my code...

// In aatc_config.hpp

namespace as = AngelScript;

This line fails because the AngelScript namespace is not defined (on purpose, I didn't added AS_USE_NAMESPACE to my preprocessor definitions).

Yay, it works, thank you!

Then, I tried various random things, and I got errors in some cases:

        for(vector_iterator<int> it(@karabraxos); ++it;)

The engine complains about a missing pre-increment operator. However it's not that bad after all, let's just write it++ at the moment.

    class Block
    {
        string name;
        Block(const string &in name_)
        {
            name = name_;
        }
    }
//...
        set<Block> bag;

Does not compile, as well as the following:

// Vector2i is a C++ class
        unordered_map<Vector2i,string> spacehash;

They say

E: ../projects/samples/helloworld/HelloWorld.ac: (112, 7): Attempting to instantiate invalid template type 'set<Block>'

and

E: ../projects/samples/helloworld/HelloWorld.ac: (126, 3): An exception Type 'Vector2i' has no method required for container's 'unordered_map::insert' method. occurred.

EDIT: I tried adding a default constructor to Block, the error turned to:

E: ../projects/samples/helloworld/HelloWorld.ac: (117, 3): An exception Type 'Block' has no method required for container's 'set::insert' method. occurred.

I assume I have to write a specialization for each C++ types I could put as a key of the containers... oh no, we can't do this for maps and unordered_maps? No template space hashs yet, then

How could we use script classes as keys, then? Maybe defining an uint someFunctionNameToGetHashCode(const T &in v) function overload?

And how could we use object handles as keys, but STILL using someFunctionNameToGetHashCode for those? (sorry, I like to find edge cases...)

Finally, a bit of syntax:

to access the key and the value of a map_iterator, we have to write:

it.current_key();
it.current_value();

But it could be shorter to write like this:

it.key
it.value

Where key and value are actually properties returning references, and we could assign them transparently if needed (oh. But what happens if we assign the key of a map while iterating?).

The auto syntax works pretty well, maybe we're close to a foreach mechanism? Just a macro and here you go

#define foreach(iterator_name, container) for(auto iterator_name = container.begin(); it++;)