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Creating Custom Events

Learn how to create and manage your own game-specific events using SDL's event system.

Ryan McCombe
Updated
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Questions & Answers

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SDL Custom Event Registration Limit
Is there a limit to how many custom events I can register?
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Using Smart Pointers (std::unique_ptr, std::shared_ptr) with SDL Custom Events
Instead of void pointers, can I use std::shared_ptr or std::unique_ptr with data1/data2? How?
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Managing Data Lifetime for SDL Custom Events
How do I manage the lifetime of data pointed to by data1/data2 if the event might be processed much later?
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SDL Custom Events vs. Building a Separate Event System
Why use SDL_UserEvent instead of just defining my own event system completely separate from SDL's?
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Purpose of the code Member in SDL_UserEvent
The code member of SDL_UserEvent wasn't used much. What's its intended purpose?
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Comparing SDL Custom Events to Signal/Slot Mechanisms (e.g., Qt)
How does this event system compare to signal/slot mechanisms in frameworks like Qt?
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Implementing a Pause/Resume System with Custom Events
How can I use custom events to implement a pause/resume system in my game?
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Efficiently Handling Multiple Custom Event Types
What's the best way to handle multiple custom event types without cluttering my main event loop?
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Ensuring Thread Safety with Custom Events
How do I ensure thread safety when pushing custom events from multiple threads?
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Prioritizing Custom Events in SDL
Is there a way to prioritize certain custom events over others in the SDL event queue?
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Passing Complex Data in Custom SDL Events
What's the most efficient way to pass complex data structures through custom events?
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