World Update Hook Invalid Syntax

[SpiderPig]

I'm using the latest steam version on the dev branch and get the error popup "Invalid function syntax fot hook ID 2".  This is my code.

void NotificationManager_UpdateHook(shared_ptr<Object> object) {
}
...
void NotificationManager::Init() {
	world->AddHook(HOOKID_UPDATE, NotificationManager_UpdateHook, Self());
}

Based on the parameters for AddHook() my function syntax looks correct... and HOOKID_RENDER works.

[SpiderPig]

Oh... wait.  I don't think my paths are actually pointing to steam.  One sec...  

[SpiderPig]

Yup.  It's not working with Steam.

[Josh]

Use this overload:
void AddHook(const HookID id, void (*hook)(std::shared_ptr<Object> source, std::shared_ptr<Object> extra), std::shared_ptr<Object> extra = nullptr);

[SpiderPig]

Hmm it crashes with an out of memory range error.  My class inherits Object so the function is available and compiles.

void NotificationManager_UpdateHook(shared_ptr<Engine::Object> source, shared_ptr<Engine::Object> object) {
}
...
void NotificationManager::Init() {
	AddHook(HOOKID_UPDATE, NotificationManager_UpdateHook, Self());
}

 

[Josh]

I had to change the way hooks are inserted into the object info.

In the next build, this example will work:

#include "UltraEngine.h"

using namespace UltraEngine;

struct MyObject : public Object
{
    int count{ 0 };
    
    static void Hook(shared_ptr<Object> source, shared_ptr<Object> extra)
    {
        auto world = source->As<World>();
        auto o = extra->As<MyObject>();
        o->count++;
        Print(o->count);
    }
};

int main(int argc, const char* argv[])
{
    //Get the display list
    auto displays = GetDisplays();

    //Create a window
    auto window = CreateWindow("Ultra Engine", 0, 0, 1920, 1080, displays[0], WINDOW_CLIENTCOORDS | WINDOW_CENTER | WINDOW_TITLEBAR);

    //Create a world
    auto world = CreateWorld();
    
    auto o = std::make_shared<MyObject>();
    world->AddHook(HOOKID_UPDATE, MyObject::Hook, o);

    //Main loop
    while (window->Closed() == false and window->KeyDown(KEY_ESCAPE) == false)
    {
        world->Update();
        Sleep(1000);
    }
    return 0;
}