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#ifndef ENGINE_INPUT_H
#define ENGINE_INPUT_H
#include "kernel.h"
extern const char g_aaKeyStrings[512][16];
class IInput : public IInterface
{
MACRO_INTERFACE("input", 0)
public:
class CEvent
{
public:
int m_Flags;
int m_Unicode;
int m_Key;
};
protected:
enum
{
INPUT_BUFFER_SIZE=32
};
// quick access to events
int m_NumEvents;
IInput::CEvent m_aInputEvents[INPUT_BUFFER_SIZE];
//quick access to input
struct
{
unsigned char m_Presses;
unsigned char m_Releases;
} m_aInputCount[2][1024];
unsigned char m_aInputState[2][1024];
int m_InputCurrent;
int KeyWasPressed(int Key) { return m_aInputState[m_InputCurrent^1][Key]; }
public:
enum
{
FLAG_PRESS=1,
FLAG_RELEASE=2,
FLAG_REPEAT=4
};
// events
int NumEvents() const { return m_NumEvents; }
void ClearEvents() { m_NumEvents = 0; }
CEvent GetEvent(int Index) const
{
if(Index < 0 || Index >= m_NumEvents)
{
IInput::CEvent e = {0,0};
return e;
}
return m_aInputEvents[Index];
}
// keys
int KeyPressed(int Key) { return m_aInputState[m_InputCurrent][Key]; }
int KeyReleases(int Key) { return m_aInputCount[m_InputCurrent][Key].m_Releases; }
int KeyPresses(int Key) { return m_aInputCount[m_InputCurrent][Key].m_Presses; }
int KeyDown(int Key) { return KeyPressed(Key)&&!KeyWasPressed(Key); }
const char *KeyName(int Key) { return (Key >= 0 && Key < 512) ? g_aaKeyStrings[Key] : g_aaKeyStrings[0]; }
//
virtual void MouseModeRelative() = 0;
virtual void MouseModeAbsolute() = 0;
virtual int MouseDoubleClick() = 0;
virtual void MouseRelative(float *x, float *y) = 0;
};
class IEngineInput : public IInput
{
MACRO_INTERFACE("engineinput", 0)
public:
virtual void Init() = 0;
virtual void Update() = 0;
};
extern IEngineInput *CreateEngineInput();
#endif
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