Patedam
2b82952f62
Added some dllexport (JULIET_API) to make the code compile. A lot are missing but will be added when needed
122 lines
3.5 KiB
C++
122 lines
3.5 KiB
C++
#pragma once
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#include <Core/HAL/Display/Display.h>
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#include <Core/HAL/Keyboard/Keyboard.h>
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#include <Core/HAL/Keyboard/KeyCode.h>
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#include <Core/HAL/Mouse/Mouse.h>
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#include <Juliet.h>
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// Handles all events from systems handling the Hardware
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// Very inspired by SDL3
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namespace Juliet
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{
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enum class EventType : uint32
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{
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None = 0,
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First = None,
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// Application Events
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// User querying an exit
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Application_Exit = 100,
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// OS terminating the application
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Application_OS_Terminate,
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Application_Begin = Application_Exit,
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Application_End = Application_OS_Terminate,
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// Window Events
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Window_Close_Request = 200,
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Window_Begin = Window_Close_Request,
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Window_End = Window_Close_Request,
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// Keyboard Event
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Key_Down = 300,
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Key_Up,
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Keyboard_Begin = Key_Down,
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Keyboard_End = Key_Up,
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// Mouse Event
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Mouse_Move = 400,
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Mouse_ButtonPressed,
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Mouse_ButtonReleased,
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Mouse_Begin = Mouse_Move,
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Mouse_End = Mouse_ButtonReleased,
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Last // Get value from the previous one
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};
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struct WindowEvent
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{
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WindowID AssociatedWindowID;
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uint32 DataPadding[2]; // TODO : define how much data param we need
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};
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struct KeyboardEvent
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{
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KeyboardID AssociatedKeyboardID;
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WindowID WindowID;
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Key Key;
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KeyState KeyState;
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KeyMod KeyModeState;
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};
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// =====================================================
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// Mouse Events
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// =====================================================
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struct MouseMovementEvent
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{
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MouseID AssociatedMouseID;
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WindowID WindowID;
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float X;
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float Y;
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float X_Displacement;
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float Y_Displacement;
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MouseButton ButtonState;
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};
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struct MouseButtonEvent
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{
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MouseID AssociatedMouseID;
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WindowID WindowID;
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float X;
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float Y;
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MouseButton ButtonState;
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bool IsPressed : 1;
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};
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// Tagged union representing ALL possible system events + a bit of data for custom event if needed
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union AllSystemEventUnion
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{
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WindowEvent Window;
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KeyboardEvent Keyboard;
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MouseMovementEvent MouseMovement;
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MouseButtonEvent MouseButton;
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uint8 Padding[128]; // Make sure that the union is fixed in size and big enough on all platforms.
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};
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// Make sure we do not bust the union size
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static_assert(sizeof(AllSystemEventUnion) == sizeof(((AllSystemEventUnion*)nullptr)->Padding));
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struct SystemEvent
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{
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EventType Type;
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uint64 Timestamp;
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AllSystemEventUnion Data;
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};
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// Poll for any event, return false if no event is available.
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// Equivalent to WaitEvent(event, 0);
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// Will not block
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extern JULIET_API bool GetEvent(SystemEvent& event);
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// TODO : use chrono to tag the timeout correctly with nanosec
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// timeout == -1 means wait for any event before pursuing
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// timeout == 0 means checking once for the frame and getting out
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// timeout > 0 means wait until time is out
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extern JULIET_API bool WaitEvent(SystemEvent& event, int32 timeoutInNS = -1);
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// Add an event onto the event queue.
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// TODO : support array of events
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extern JULIET_API bool AddEvent(SystemEvent& event);
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} // namespace Juliet
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