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#include "kbge/kbge.h"#include <math.h>#define BIT_NUM(X) (uint16)pow((uint16)X, 2)InputManager::InputManager() {    this->gameKernel	= NULL;    this->heldKeys		= 0;}InputManager::~InputManager() {    this->gameKernel	= NULL;    this->heldKeys		= 0;}void InputManager::Initialize(GameKernel* gk) {	this->gameKernel	= gk;    this->heldKeys		= 0;}boolean InputManager::HandleEvent(AEEEvent eCode, uint16 wParam, uint32 dwParam) {    switch(eCode) {        case EVT_KEY_PRESS:            this->HandleKeyDownEvent(wParam, dwParam);            break;        case EVT_KEY_RELEASE:            this->HandleKeyUpEvent(wParam, dwParam);            break;    }    return true;}void InputManager::HandleKeyDownEvent(uint16 wParam, uint32 dwParam) {	if (!IsKeyHeld((AVKType)wParam)) {		this->heldKeys |= BIT_NUM(wParam);		LOG("HandleKeyDownEvent: %u, heldKeys: %u", wParam, this->heldKeys);		this->gameKernel->GetApplication()->KeyPressed((AVKType)wParam);	}}void InputManager::HandleKeyUpEvent(uint16 wParam, uint32 dwParam) {	if (IsKeyHeld((AVKType)wParam)) {		this->heldKeys ^= BIT_NUM(wParam);		LOG("HandleKeyUpEvent: %u, heldKeys: %u", wParam, this->heldKeys);		this->gameKernel->GetApplication()->KeyReleased((AVKType)wParam);	}}boolean InputManager::IsKeyHeld(AVKType key) {	uint32 keyNum = BIT_NUM(key);	return (BIT_NUM(key) & this->heldKeys) == BIT_NUM(key);}