raze-gles/polymer/eduke32/source/jmact/control.c

/*
 * control.c
 * MACT library controller handling
 * 
 * Derived from MACT386.LIB disassembly by Jonathon Fowler
 *
 */

#include "types.h"
#include "keyboard.h"
#include "mouse.h"
#include "control.h"
#include "_control.h"
#include "util_lib.h"

#include "baselayer.h"
#include "compat.h"
#include "pragmas.h"


boolean CONTROL_JoyPresent = false;
boolean CONTROL_JoystickEnabled = false;
boolean CONTROL_MousePresent = false;
boolean CONTROL_MouseEnabled = false;
uint32  CONTROL_ButtonState1 = 0;
uint32  CONTROL_ButtonHeldState1 = 0;
uint32  CONTROL_ButtonState2 = 0;
uint32  CONTROL_ButtonHeldState2 = 0;

static int32 CONTROL_UserInputDelay = -1;
static int32 CONTROL_MouseSensitivity = DEFAULTMOUSESENSITIVITY;
static int32 CONTROL_NumMouseButtons = 0;
static int32 CONTROL_NumMouseAxes = 0;
static int32 CONTROL_NumJoyButtons = 0;
static int32 CONTROL_NumJoyAxes = 0;
static controlflags       CONTROL_Flags[CONTROL_NUM_FLAGS];
static controlbuttontype  CONTROL_MouseButtonMapping[MAXMOUSEBUTTONS],
                          CONTROL_JoyButtonMapping[MAXJOYBUTTONS];
static controlkeymaptype  CONTROL_KeyMapping[CONTROL_NUM_FLAGS];
static controlaxismaptype CONTROL_MouseAxesMap[MAXMOUSEAXES],	// maps physical axes onto virtual ones
                          CONTROL_JoyAxesMap[MAXJOYAXES];
static controlaxistype    CONTROL_MouseAxes[MAXMOUSEAXES],	// physical axes
                          CONTROL_JoyAxes[MAXJOYAXES];
static controlaxistype    CONTROL_LastMouseAxes[MAXMOUSEAXES],
                          CONTROL_LastJoyAxes[MAXJOYAXES];
static int32   CONTROL_MouseAxesScale[MAXMOUSEAXES],             CONTROL_JoyAxesScale[MAXJOYAXES];
static int32   CONTROL_MouseButtonState[MAXMOUSEBUTTONS],        CONTROL_JoyButtonState[MAXJOYBUTTONS];
static int32   CONTROL_MouseButtonClickedTime[MAXMOUSEBUTTONS],  CONTROL_JoyButtonClickedTime[MAXJOYBUTTONS];
static boolean CONTROL_MouseButtonClickedState[MAXMOUSEBUTTONS], CONTROL_JoyButtonClickedState[MAXJOYBUTTONS];
static boolean CONTROL_MouseButtonClicked[MAXMOUSEBUTTONS],      CONTROL_JoyButtonClicked[MAXJOYBUTTONS];
static byte    CONTROL_MouseButtonClickedCount[MAXMOUSEBUTTONS], CONTROL_JoyButtonClickedCount[MAXJOYBUTTONS];
static boolean CONTROL_UserInputCleared[3];
static int32 (*GetTime)(void);
static boolean CONTROL_Started = false;
static int32 ticrate;
static int32 CONTROL_DoubleClickSpeed;


void CONTROL_GetMouseDelta(void)
{
	int32 x,y;

	MOUSE_GetDelta(&x, &y);

	/* What in the name of all things sacred is this?
	if (labs(*x) > labs(*y)) {
		*x /= 3;
	} else {
		*y /= 3;
	}
	*y = *y * 96;
	*x = (*x * 32 * CONTROL_MouseSensitivity) >> 15;
	*/

    CONTROL_MouseAxes[0].analog = (x * CONTROL_MouseSensitivity>>8);
    CONTROL_MouseAxes[1].analog = (y * CONTROL_MouseSensitivity>>6);
}

int32 CONTROL_GetMouseSensitivity(void)
{
	return (CONTROL_MouseSensitivity - MINIMUMMOUSESENSITIVITY);
}

void CONTROL_SetMouseSensitivity(int32 newsensitivity)
{
	CONTROL_MouseSensitivity = newsensitivity + MINIMUMMOUSESENSITIVITY;
}

boolean CONTROL_StartMouse(void)
{
	CONTROL_NumMouseButtons = MAXMOUSEBUTTONS;
	return MOUSE_Init();
}

void CONTROL_GetJoyAbs( void )
{
}

void CONTROL_FilterJoyDelta(void)
{
}

void CONTROL_GetJoyDelta( void )
{
	int32 i;
	
	for (i=0; i<joynumaxes; i++)
		CONTROL_JoyAxes[i].analog = joyaxis[i] >> 5;
}


void CONTROL_SetJoyScale( void )
{
}

void CONTROL_CenterJoystick
   (
   void ( *CenterCenter )( void ),
   void ( *UpperLeft )( void ),
   void ( *LowerRight )( void ),
   void ( *CenterThrottle )( void ),
   void ( *CenterRudder )( void )
   )
{
}

boolean CONTROL_StartJoy(int32 joy)
{
	return (inputdevices & 3) == 3;
}

void CONTROL_ShutJoy(int32 joy)
{
	CONTROL_JoyPresent = false;
}

int32 CONTROL_GetTime(void)
{
	static int32 t = 0;
	t += 5;
	return t;
}

boolean CONTROL_CheckRange(int32 which)
{
	if ((uint32)which < (uint32)CONTROL_NUM_FLAGS) return false;
	//Error("CONTROL_CheckRange: Index %d out of valid range for %d control flags.",
	//	which, CONTROL_NUM_FLAGS);
	return true;
}

void CONTROL_SetFlag(int32 which, boolean active)
{
	if (CONTROL_CheckRange(which)) return;

	if (CONTROL_Flags[which].toggle == INSTANT_ONOFF) {
		CONTROL_Flags[which].active = active;
	} else {
		if (active) {
			CONTROL_Flags[which].buttonheld = false;
		} else if (CONTROL_Flags[which].buttonheld == false) {
			CONTROL_Flags[which].buttonheld = true;
			CONTROL_Flags[which].active = (CONTROL_Flags[which].active ? false : true);
		}
	}
}

boolean CONTROL_KeyboardFunctionPressed(int32 which)
{
	boolean key1 = 0, key2 = 0;

	if (CONTROL_CheckRange(which)) return false;

	if (!CONTROL_Flags[which].used) return false;

	if (CONTROL_KeyMapping[which].key1 != KEYUNDEFINED)
		key1 = KB_KeyDown[ CONTROL_KeyMapping[which].key1 ] ? true : false;

	if (CONTROL_KeyMapping[which].key2 != KEYUNDEFINED)
		key2 = KB_KeyDown[ CONTROL_KeyMapping[which].key2 ] ? true : false;

	return (key1 | key2);
}

void CONTROL_ClearKeyboardFunction(int32 which)
{
	if (CONTROL_CheckRange(which)) return;

	if (!CONTROL_Flags[which].used) return;

	if (CONTROL_KeyMapping[which].key1 != KEYUNDEFINED)
		KB_KeyDown[ CONTROL_KeyMapping[which].key1 ] = 0;

	if (CONTROL_KeyMapping[which].key2 != KEYUNDEFINED)
		KB_KeyDown[ CONTROL_KeyMapping[which].key2 ] = 0;
}

void CONTROL_DefineFlag( int32 which, boolean toggle )
{
	if (CONTROL_CheckRange(which)) return;

	CONTROL_Flags[which].active     = false;
	CONTROL_Flags[which].used       = true;
	CONTROL_Flags[which].toggle     = toggle;
	CONTROL_Flags[which].buttonheld = false;
	CONTROL_Flags[which].cleared    = 0;
}

boolean CONTROL_FlagActive( int32 which )
{
	if (CONTROL_CheckRange(which)) return false;

	return CONTROL_Flags[which].used;
}

void CONTROL_MapKey( int32 which, kb_scancode key1, kb_scancode key2 )
{
	if (CONTROL_CheckRange(which)) return;

	CONTROL_KeyMapping[which].key1 = key1 ? key1 : KEYUNDEFINED;
	CONTROL_KeyMapping[which].key2 = key2 ? key2 : KEYUNDEFINED;
}

void CONTROL_PrintKeyMap(void)
{
	int32 i;

	for (i=0;i<CONTROL_NUM_FLAGS;i++) {
		initprintf("function %2ld key1=%3x key2=%3x\n",
			i, CONTROL_KeyMapping[i].key1, CONTROL_KeyMapping[i].key2);
	}
}

void CONTROL_PrintControlFlag(int32 which)
{
	initprintf("function %2ld active=%d used=%d toggle=%d buttonheld=%d cleared=%ld\n",
		which, CONTROL_Flags[which].active, CONTROL_Flags[which].used,
		CONTROL_Flags[which].toggle, CONTROL_Flags[which].buttonheld,
		CONTROL_Flags[which].cleared);
}

void CONTROL_PrintAxes(void)
{
	int32 i;

	initprintf("nummouseaxes=%ld\n", CONTROL_NumMouseAxes);
	for (i=0;i<CONTROL_NumMouseAxes;i++) {
		initprintf("axis=%ld analog=%d digital1=%d digital2=%d\n",
				i, CONTROL_MouseAxesMap[i].analogmap,
				CONTROL_MouseAxesMap[i].minmap, CONTROL_MouseAxesMap[i].maxmap);
	}

	initprintf("numjoyaxes=%ld\n", CONTROL_NumJoyAxes);
	for (i=0;i<CONTROL_NumJoyAxes;i++) {
		initprintf("axis=%ld analog=%d digital1=%d digital2=%d\n",
				i, CONTROL_JoyAxesMap[i].analogmap,
				CONTROL_JoyAxesMap[i].minmap, CONTROL_JoyAxesMap[i].maxmap);
	}
}

void CONTROL_MapButton( int32 whichfunction, int32 whichbutton, boolean doubleclicked, controldevice device )
{
	controlbuttontype *set;
	
	if (CONTROL_CheckRange(whichfunction)) whichfunction = BUTTONUNDEFINED;

	switch (device) {
		case controldevice_mouse:
			if ((uint32)whichbutton >= (uint32)MAXMOUSEBUTTONS) {
				//Error("CONTROL_MapButton: button %d out of valid range for %d mouse buttons.",
				//		whichbutton, CONTROL_NumMouseButtons);
				return;
			}
			set = CONTROL_MouseButtonMapping;
			break;

		case controldevice_joystick:
			if ((uint32)whichbutton >= (uint32)MAXJOYBUTTONS) {
				//Error("CONTROL_MapButton: button %d out of valid range for %d joystick buttons.",
				//		whichbutton, CONTROL_NumJoyButtons);
				return;
			}
			set = CONTROL_JoyButtonMapping;
			break;

		default:
			//Error("CONTROL_MapButton: invalid controller device type");
			return;
	}
	
	if (doubleclicked)
		set[whichbutton].doubleclicked = whichfunction;
	else
		set[whichbutton].singleclicked = whichfunction;
}

void CONTROL_MapAnalogAxis( int32 whichaxis, int32 whichanalog, controldevice device )
{
	controlaxismaptype *set;

	if ((uint32)whichanalog >= (uint32)analog_maxtype) {
		//Error("CONTROL_MapAnalogAxis: analog function %d out of valid range for %d analog functions.",
		//		whichanalog, analog_maxtype);
		return;
	}

	switch (device) {
		case controldevice_mouse:
			if ((uint32)whichaxis >= (uint32)MAXMOUSEAXES) {
				//Error("CONTROL_MapAnalogAxis: axis %d out of valid range for %d mouse axes.",
				//		whichaxis, MAXMOUSEAXES);
				return;
			}

			set = CONTROL_MouseAxesMap;
			break;

		case controldevice_joystick:
			if ((uint32)whichaxis >= (uint32)MAXJOYAXES) {
				//Error("CONTROL_MapAnalogAxis: axis %d out of valid range for %d joystick axes.",
				//		whichaxis, MAXJOYAXES);
				return;
			}

			set = CONTROL_JoyAxesMap;
			break;

		default:
			//Error("CONTROL_MapAnalogAxis: invalid controller device type");
			return;
	}

	set[whichaxis].analogmap = whichanalog;
}

void CONTROL_SetAnalogAxisScale( int32 whichaxis, int32 axisscale, controldevice device )
{
	int32 *set;

	switch (device) {
		case controldevice_mouse:
			if ((uint32)whichaxis >= (uint32)MAXMOUSEAXES) {
				//Error("CONTROL_SetAnalogAxisScale: axis %d out of valid range for %d mouse axes.",
				//		whichaxis, MAXMOUSEAXES);
				return;
			}

			set = CONTROL_MouseAxesScale;
			break;

		case controldevice_joystick:
			if ((uint32)whichaxis >= (uint32)MAXJOYAXES) {
				//Error("CONTROL_SetAnalogAxisScale: axis %d out of valid range for %d joystick axes.",
				//		whichaxis, MAXJOYAXES);
				return;
			}

			set = CONTROL_JoyAxesScale;
			break;

		default:
			//Error("CONTROL_SetAnalogAxisScale: invalid controller device type");
			return;
	}
	
	set[whichaxis] = axisscale;
}

void CONTROL_MapDigitalAxis( int32 whichaxis, int32 whichfunction, int32 direction, controldevice device )
{
	controlaxismaptype *set;

	if (CONTROL_CheckRange(whichfunction)) whichfunction = AXISUNDEFINED;

	switch (device) {
		case controldevice_mouse:
			if ((uint32)whichaxis >= (uint32)MAXMOUSEAXES) {
				//Error("CONTROL_MapDigitalAxis: axis %d out of valid range for %d mouse axes.",
				//		whichaxis, MAXMOUSEAXES);
				return;
			}

			set = CONTROL_MouseAxesMap;
			break;

		case controldevice_joystick:
			if ((uint32)whichaxis >= (uint32)MAXJOYAXES) {
				//Error("CONTROL_MapDigitalAxis: axis %d out of valid range for %d joystick axes.",
				//		whichaxis, MAXJOYAXES);
				return;
			}

			set = CONTROL_JoyAxesMap;
			break;

		default:
			//Error("CONTROL_MapDigitalAxis: invalid controller device type");
			return;
	}
	
	switch (direction) {	// JBF: this is all very much a guess. The ASM puzzles me.
		case axis_up:
		case axis_left:
			set[whichaxis].minmap = whichfunction;
			break;
		case axis_down:
		case axis_right:
			set[whichaxis].maxmap = whichfunction;
			break;
		default:
			break;
	}
}

void CONTROL_ClearFlags(void)
{
	int32 i;

	for (i=0;i<CONTROL_NUM_FLAGS;i++)
		CONTROL_Flags[i].used = false;
}

void CONTROL_ClearAssignments( void )
{
	int32 i;

	memset(CONTROL_MouseButtonMapping,  BUTTONUNDEFINED, sizeof(CONTROL_MouseButtonMapping));
	memset(CONTROL_JoyButtonMapping,    BUTTONUNDEFINED, sizeof(CONTROL_JoyButtonMapping));
	memset(CONTROL_KeyMapping,          KEYUNDEFINED,    sizeof(CONTROL_KeyMapping));
	memset(CONTROL_MouseAxesMap,        AXISUNDEFINED,   sizeof(CONTROL_MouseAxesMap));
	memset(CONTROL_JoyAxesMap,          AXISUNDEFINED,   sizeof(CONTROL_JoyAxesMap));
	memset(CONTROL_MouseAxes,           0,               sizeof(CONTROL_MouseAxes));
	memset(CONTROL_JoyAxes,             0,               sizeof(CONTROL_JoyAxes));
	memset(CONTROL_LastMouseAxes,       0,               sizeof(CONTROL_LastMouseAxes));
	memset(CONTROL_LastJoyAxes,         0,               sizeof(CONTROL_LastJoyAxes));
	for (i=0;i<MAXMOUSEAXES;i++)
		CONTROL_MouseAxesScale[i] = NORMALAXISSCALE;
	for (i=0;i<MAXJOYAXES;i++)
		CONTROL_JoyAxesScale[i] = NORMALAXISSCALE;
}

static void DoGetDeviceButtons(
	int32 buttons, int32 tm,
	int32 NumButtons,
	int32 *DeviceButtonState,
	int32 *ButtonClickedTime,
	boolean *ButtonClickedState,
	boolean *ButtonClicked,
	byte  *ButtonClickedCount
) {
	int32 i, bs;

	for (i=0;i<NumButtons;i++) {
		bs = (buttons >> i) & 1;

		DeviceButtonState[i] = bs;
		ButtonClickedState[i] = false;

		if (bs) {
			if (ButtonClicked[i] == false) {
				ButtonClicked[i] = true;

				if (ButtonClickedCount[i] == 0 || tm > ButtonClickedTime[i]) {
					ButtonClickedTime[i] = tm + CONTROL_DoubleClickSpeed;
					ButtonClickedCount[i] = 1;
				}
				else if (tm < ButtonClickedTime[i]) {
					ButtonClickedState[i] = true;
					ButtonClickedTime[i]  = 0;
					ButtonClickedCount[i] = 2;
				}
			}
			else if (ButtonClickedCount[i] == 2) {
				ButtonClickedState[i] = true;
			}
		} else {
			if (ButtonClickedCount[i] == 2)
				ButtonClickedCount[i] = 0;

			ButtonClicked[i] = false;
		}
	}
}

void CONTROL_GetDeviceButtons(void)
{
	int32 t;

	t = GetTime();

	if (CONTROL_MouseEnabled) {
		DoGetDeviceButtons(
			MOUSE_GetButtons(), t,
			CONTROL_NumMouseButtons,
			CONTROL_MouseButtonState,
			CONTROL_MouseButtonClickedTime,
			CONTROL_MouseButtonClickedState,
			CONTROL_MouseButtonClicked,
			CONTROL_MouseButtonClickedCount
		);
	}

	if (CONTROL_JoystickEnabled) {
		int32 buttons = joyb;
		if (joynumhats > 0 && joyhat[0] != -1) {
			static int32 hatstate[] = { 1, 1|2, 2, 2|4, 4, 4|8, 8, 8|1 };
			int val;

			// thanks SDL for this much more sensible method
			val = ((joyhat[0] + 4500 / 2) % 36000) / 4500;
			if (val < 8) buttons |= hatstate[val] << min(MAXJOYBUTTONS,joynumbuttons);
		}

		DoGetDeviceButtons(
			buttons, t,
			CONTROL_NumJoyButtons,
			CONTROL_JoyButtonState,
			CONTROL_JoyButtonClickedTime,
			CONTROL_JoyButtonClickedState,
			CONTROL_JoyButtonClicked,
			CONTROL_JoyButtonClickedCount
		);
	}
}

void CONTROL_DigitizeAxis(int32 axis, controldevice device)
{
	controlaxistype *set, *lastset;
	
	switch (device) {
		case controldevice_mouse:
			set = CONTROL_MouseAxes;
			lastset = CONTROL_LastMouseAxes;
			break;

		case controldevice_joystick:
			set = CONTROL_JoyAxes;
			lastset = CONTROL_LastJoyAxes;
			break;

		default: return;
	}
	
	if (set[axis].analog > 0) {
		if (set[axis].analog > THRESHOLD) {			// if very much in one direction,
			set[axis].digital = 1;				// set affirmative
		} else {
			if (set[axis].analog > MINTHRESHOLD) {		// if hanging in limbo,
				if (lastset[axis].digital == 1)	// set if in same direction as last time
					set[axis].digital = 1;
			}
		}
	} else {
		if (set[axis].analog < -THRESHOLD) {
			set[axis].digital = -1;
		} else {
			if (set[axis].analog < -MINTHRESHOLD) {
				if (lastset[axis].digital == -1)
					set[axis].digital = -1;
			}
		}
	}
}

void CONTROL_ScaleAxis(int32 axis, controldevice device)
{
	controlaxistype *set;
	int32 *scale;
	
	switch (device) {
		case controldevice_mouse:
			set = CONTROL_MouseAxes;
			scale = CONTROL_MouseAxesScale;
			break;

		case controldevice_joystick:
			set = CONTROL_JoyAxes;
			scale = CONTROL_JoyAxesScale;
			break;

		default: return;
	}

	set[axis].analog = mulscale16(set[axis].analog, scale[axis]);
}

void CONTROL_ApplyAxis(int32 axis, ControlInfo *info, controldevice device)
{
	controlaxistype *set;
	controlaxismaptype *map;
	
	switch (device) {
		case controldevice_mouse:
			set = CONTROL_MouseAxes;
			map = CONTROL_MouseAxesMap;
			break;

		case controldevice_joystick:
			set = CONTROL_JoyAxes;
			map = CONTROL_JoyAxesMap;
			break;

		default: return;
	}

	switch (map[axis].analogmap) {
		case analog_turning:          info->dyaw   += set[axis].analog; break;
		case analog_strafing:         info->dx     += set[axis].analog; break;
		case analog_lookingupanddown: info->dpitch += set[axis].analog; break;
		case analog_elevation:        info->dy     += set[axis].analog; break;
		case analog_rolling:          info->droll  += set[axis].analog; break;
		case analog_moving:           info->dz     += set[axis].analog; break;
		default: break;
	}
}

void CONTROL_PollDevices(ControlInfo *info)
{
	int32 i;

	memcpy(CONTROL_LastMouseAxes, CONTROL_MouseAxes, sizeof(CONTROL_MouseAxes));
	memcpy(CONTROL_LastJoyAxes,   CONTROL_JoyAxes,   sizeof(CONTROL_JoyAxes));

	memset(CONTROL_MouseAxes, 0, sizeof(CONTROL_MouseAxes));
	memset(CONTROL_JoyAxes,   0, sizeof(CONTROL_JoyAxes));
	memset(info, 0, sizeof(ControlInfo));

	if (CONTROL_MouseEnabled) {
		CONTROL_GetMouseDelta();

		for (i=0; i<MAXMOUSEAXES; i++) {
			CONTROL_DigitizeAxis(i, controldevice_mouse);
			CONTROL_ScaleAxis(i, controldevice_mouse);
			LIMITCONTROL(&CONTROL_MouseAxes[i].analog);
			CONTROL_ApplyAxis(i, info, controldevice_mouse);
		}
	}
	if (CONTROL_JoystickEnabled) {
		CONTROL_GetJoyDelta();

		// Why?
		//CONTROL_Axes[0].analog /= 2;
		//CONTROL_Axes[2].analog /= 2;

		for (i=0; i<MAXJOYAXES; i++) {
			CONTROL_DigitizeAxis(i, controldevice_joystick);
			CONTROL_ScaleAxis(i, controldevice_joystick);
			LIMITCONTROL(&CONTROL_JoyAxes[i].analog);
			CONTROL_ApplyAxis(i, info, controldevice_joystick);
		}
	}
	
	CONTROL_GetDeviceButtons();
}

void CONTROL_AxisFunctionState(int32 *p1)
{
	int32 i, j;
	
	for (i=0; i<CONTROL_NumMouseAxes; i++) {
		if (!CONTROL_MouseAxes[i].digital) continue;

		if (CONTROL_MouseAxes[i].digital < 0)
			j = CONTROL_MouseAxesMap[i].minmap;
		else
			j = CONTROL_MouseAxesMap[i].maxmap;

		if (j != AXISUNDEFINED)
			p1[j] = 1;
	}

	for (i=0; i<CONTROL_NumJoyAxes; i++) {
		if (!CONTROL_JoyAxes[i].digital) continue;

		if (CONTROL_JoyAxes[i].digital < 0)
			j = CONTROL_JoyAxesMap[i].minmap;
		else
			j = CONTROL_JoyAxesMap[i].maxmap;

		if (j != AXISUNDEFINED)
			p1[j] = 1;
	}
}

void CONTROL_ButtonFunctionState( int32 *p1 )
{
	int32 i, j;

	for (i=0; i<CONTROL_NumMouseButtons; i++) {
		j = CONTROL_MouseButtonMapping[i].doubleclicked;
		if (j != KEYUNDEFINED)
			p1[j] |= CONTROL_MouseButtonClickedState[i];

		j = CONTROL_MouseButtonMapping[i].singleclicked;
		if (j != KEYUNDEFINED)
			p1[j] |= CONTROL_MouseButtonState[i];
	}

	for (i=0; i<CONTROL_NumJoyButtons; i++) {
		j = CONTROL_JoyButtonMapping[i].doubleclicked;
		if (j != KEYUNDEFINED)
			p1[j] |= CONTROL_JoyButtonClickedState[i];

		j = CONTROL_JoyButtonMapping[i].singleclicked;
		if (j != KEYUNDEFINED)
			p1[j] |= CONTROL_JoyButtonState[i];
	}
}

void CONTROL_GetUserInput( UserInput *info )
{
	ControlInfo ci;

	CONTROL_PollDevices( &ci );

	info->dir = dir_None;

	// checks if CONTROL_UserInputDelay is too far in the future due to clock skew?
	if (GetTime() + ((ticrate * USERINPUTDELAY) / 1000) < CONTROL_UserInputDelay)
		CONTROL_UserInputDelay = -1;

	if (GetTime() >= CONTROL_UserInputDelay) {
		if (CONTROL_MouseAxes[1].digital == -1)
			info->dir = dir_North;
		else if (CONTROL_MouseAxes[1].digital == 1)
			info->dir = dir_South;
		else if (CONTROL_MouseAxes[0].digital == -1)
			info->dir = dir_West;
		else if (CONTROL_MouseAxes[0].digital == 1)
			info->dir = dir_East;

		if (CONTROL_JoyAxes[1].digital == -1)
			info->dir = dir_North;
		else if (CONTROL_JoyAxes[1].digital == 1)
			info->dir = dir_South;
		else if (CONTROL_JoyAxes[0].digital == -1)
			info->dir = dir_West;
		else if (CONTROL_JoyAxes[0].digital == 1)
			info->dir = dir_East;
	}

	info->button0 = CONTROL_MouseButtonState[0] | CONTROL_JoyButtonState[0];
	info->button1 = CONTROL_MouseButtonState[1] | CONTROL_JoyButtonState[1];

	if (KB_KeyDown[sc_kpad_8] || KB_KeyDown[sc_UpArrow])
		info->dir = dir_North;
	else if (KB_KeyDown[sc_kpad_2] || KB_KeyDown[sc_DownArrow])
		info->dir = dir_South;
	else if (KB_KeyDown[sc_kpad_4] || KB_KeyDown[sc_LeftArrow])
		info->dir = dir_West;
	else if (KB_KeyDown[sc_kpad_6] || KB_KeyDown[sc_RightArrow])
		info->dir = dir_East;

	if (KB_KeyDown[BUTTON0_SCAN_1] || KB_KeyDown[BUTTON0_SCAN_2] || KB_KeyDown[BUTTON0_SCAN_3])
		info->button0 = 1;
	if (KB_KeyDown[BUTTON1_SCAN])
		info->button1 = 1;

	if (CONTROL_UserInputCleared[1]) {
		if (!info->button0)
			CONTROL_UserInputCleared[1] = false;
		else
			info->button0 = false;
	}
	if (CONTROL_UserInputCleared[2]) {
		if (!info->button1)
			CONTROL_UserInputCleared[2] = false;
		else
			info->button1 = false;
	}
}

void CONTROL_ClearUserInput( UserInput *info )
{
	switch (info->dir) {
		case dir_North:
		case dir_South:
		case dir_East:
		case dir_West:
			CONTROL_UserInputCleared[0] = true;
			CONTROL_UserInputDelay = GetTime() + ((ticrate * USERINPUTDELAY) / 1000);
			switch (info->dir) {
				case dir_North: KB_KeyDown[sc_UpArrow]    = KB_KeyDown[sc_kpad_8] = 0; break;
				case dir_South: KB_KeyDown[sc_DownArrow]  = KB_KeyDown[sc_kpad_2] = 0; break;
				case dir_East:  KB_KeyDown[sc_LeftArrow]  = KB_KeyDown[sc_kpad_4] = 0; break;
				case dir_West:  KB_KeyDown[sc_RightArrow] = KB_KeyDown[sc_kpad_6] = 0; break;
				default: break;
			}
			break;
		default: break;
	}
	if (info->button0) CONTROL_UserInputCleared[1] = true;
	if (info->button1) CONTROL_UserInputCleared[2] = true;
}

void CONTROL_ClearButton( int32 whichbutton )
{
	if (CONTROL_CheckRange( whichbutton )) return;
	BUTTONCLEAR( whichbutton );
	CONTROL_Flags[whichbutton].cleared = true;
}

void CONTROL_GetInput( ControlInfo *info )
{
	int32 i, periphs[CONTROL_NUM_FLAGS];

	CONTROL_PollDevices( info );

	memset(periphs, 0, sizeof(periphs));
	CONTROL_ButtonFunctionState(periphs);
	CONTROL_AxisFunctionState(periphs);

	CONTROL_ButtonHeldState1 = CONTROL_ButtonState1;
	CONTROL_ButtonHeldState2 = CONTROL_ButtonState2;
	CONTROL_ButtonState1 = CONTROL_ButtonState2 = 0;

	for (i=0; i<CONTROL_NUM_FLAGS; i++) {
		CONTROL_SetFlag(i, CONTROL_KeyboardFunctionPressed(i) | periphs[i]);

		if (CONTROL_Flags[i].cleared == false) BUTTONSET(i, CONTROL_Flags[i].active);
		else if (CONTROL_Flags[i].active == false) CONTROL_Flags[i].cleared = 0;
	}
}

void CONTROL_WaitRelease( void )
{
/*
155C                          CONTROL_WaitRelease_:
155C    83 EC 0C                  sub         esp,0x0000000c
155F                          L$170:
155F    89 E0                     mov         eax,esp
1561    E8 00 00 00 00            call        CONTROL_GetUserInput_
1566    80 7C 24 08 08            cmp         byte ptr 0x8[esp],0x08
156B    75 F2                     jne         L$170
156D    83 3C 24 00               cmp         dword ptr [esp],0x00000000
1571    75 EC                     jne         L$170
1573    83 7C 24 04 00            cmp         dword ptr 0x4[esp],0x00000000
1578    75 E5                     jne         L$170
157A    83 C4 0C                  add         esp,0x0000000c
157D    C3                        ret         
157E    8B C0                     mov         eax,eax
*/
}

void CONTROL_Ack( void )
{
/*
1580                          CONTROL_Ack_:
1580    53                        push        ebx
1581    51                        push        ecx
1582    52                        push        edx
1583    56                        push        esi
1584    55                        push        ebp
1585    83 EC 18                  sub         esp,0x00000018
1588    8D 44 24 0C               lea         eax,0xc[esp]
158C    E8 00 00 00 00            call        CONTROL_GetUserInput_
1591    31 DB                     xor         ebx,ebx
1593                          L$171:
1593    89 E0                     mov         eax,esp
1595    E8 00 00 00 00            call        CONTROL_GetUserInput_
159A    8B 14 24                  mov         edx,[esp]
159D    39 D3                     cmp         ebx,edx
159F    75 04                     jne         L$172
15A1    89 54 24 0C               mov         0xc[esp],edx
15A5                          L$172:
15A5    8B 4C 24 04               mov         ecx,0x4[esp]
15A9    39 CB                     cmp         ebx,ecx
15AB    75 04                     jne         L$173
15AD    89 4C 24 10               mov         0x10[esp],ecx
15B1                          L$173:
15B1    8B 74 24 0C               mov         esi,0xc[esp]
15B5    39 F3                     cmp         ebx,esi
15B7    75 0C                     jne         L$174
15B9    3B 34 24                  cmp         esi,[esp]
15BC    74 07                     je          L$174
15BE    B8 01 00 00 00            mov         eax,0x00000001
15C3    EB 02                     jmp         L$175
15C5                          L$174:
15C5    89 D8                     mov         eax,ebx
15C7                          L$175:
15C7    8B 6C 24 10               mov         ebp,0x10[esp]
15CB    89 C2                     mov         edx,eax
15CD    39 EB                     cmp         ebx,ebp
15CF    75 0D                     jne         L$176
15D1    3B 6C 24 04               cmp         ebp,0x4[esp]
15D5    74 07                     je          L$176
15D7    B8 01 00 00 00            mov         eax,0x00000001
15DC    EB 02                     jmp         L$177
15DE                          L$176:
15DE    89 D8                     mov         eax,ebx
15E0                          L$177:
15E0    85 D2                     test        edx,edx
15E2    75 04                     jne         L$178
15E4    85 C0                     test        eax,eax
15E6    74 AB                     je          L$171
15E8                          L$178:
15E8    83 C4 18                  add         esp,0x00000018
15EB    5D                        pop         ebp
15EC    5E                        pop         esi
15ED    5A                        pop         edx
15EE    59                        pop         ecx
15EF    5B                        pop         ebx
15F0    C3                        ret         
*/
}

boolean CONTROL_Startup(controltype which, int32 ( *TimeFunction )( void ), int32 ticspersecond)
{
	int32 i;
	
	if (CONTROL_Started) return false;

	if (TimeFunction) GetTime = TimeFunction;
	else GetTime = CONTROL_GetTime;

	ticrate = ticspersecond;

	CONTROL_DoubleClickSpeed = (ticspersecond*57)/100;
	if (CONTROL_DoubleClickSpeed <= 0)
		CONTROL_DoubleClickSpeed = 1;

	if (initinput()) return true;

	CONTROL_MousePresent = CONTROL_MouseEnabled    = false;
	CONTROL_JoyPresent   = CONTROL_JoystickEnabled = false;
	CONTROL_NumMouseButtons = CONTROL_NumJoyButtons = 0;
	CONTROL_NumMouseAxes    = CONTROL_NumJoyAxes    = 0;
	KB_Startup();
	switch (which) {
		case controltype_keyboard:
			break;

		case controltype_keyboardandmouse:
			CONTROL_NumMouseAxes      = MAXMOUSEAXES;
			CONTROL_NumMouseButtons   = MAXMOUSEBUTTONS;
			CONTROL_MousePresent      = MOUSE_Init();
			CONTROL_MouseEnabled      = CONTROL_MousePresent;
			break;

		case controltype_keyboardandjoystick:
			CONTROL_NumJoyAxes    = min(MAXJOYAXES,joynumaxes);
			CONTROL_NumJoyButtons = min(MAXJOYBUTTONS,joynumbuttons + 4*(joynumhats>0));
			CONTROL_JoyPresent    = ((inputdevices & 3) == 3);
			CONTROL_JoystickEnabled = CONTROL_JoyPresent;
			break;
	}
	
	if (CONTROL_MousePresent)
		initprintf("CONTROL_Startup: Mouse Present\n");
	if (CONTROL_JoyPresent)
		initprintf("CONTROL_Startup: Joystick Present\n");

	CONTROL_ButtonState1     = 0;
	CONTROL_ButtonState2     = 0;
	CONTROL_ButtonHeldState1 = 0;
	CONTROL_ButtonHeldState2 = 0;

	memset(CONTROL_UserInputCleared, 0, sizeof(CONTROL_UserInputCleared));

	for (i=0; i<CONTROL_NUM_FLAGS; i++)
		CONTROL_Flags[i].used = false;

	CONTROL_Started = true;

	return false;
}

void CONTROL_Shutdown(void)
{
	if (!CONTROL_Started) return;

	CONTROL_JoyPresent = false;

	MOUSE_Shutdown();
	uninitinput();

	CONTROL_Started = false;
}