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Keyboard.c
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/* This file is part of the Elliott 803 emulator.
Copyright © 2020 Peter Onion
See LICENCE file.
*/
// Keyboard code
#define G_LOG_USE_STRUCTURED
#include <gtk/gtk.h>
#include <GLES3/gl3.h>
#include <cglm/cglm.h>
#include "Gtk.h"
#include "ObjLoader.h"
#include "Keyboard.h"
#include "LoadPNG.h"
#include "ShaderDefinitions.h"
#include "3D.h"
#include "wg-definitions.h"
#include "WGbuttons.h"
#include "Gles.h"
#include "Hands.h"
#include "Wiring.h"
#include "Common.h"
#include "Parse.h"
static GLenum e;
#define CHECK(n) if((e=glGetError())!=0){printf("%d Error %s %x\n",__LINE__,n,e);}
static GList *KeyboardObjectList = NULL;
OBJECT *WGLampOnObject = NULL;
OBJECT *WGLampOffObject = NULL;
OBJECT *RedButtonObject = NULL;
OBJECT *BlackButtonObject = NULL;
OBJECT *PowerOnButtonObject = NULL;
OBJECT *PowerOffButtonObject = NULL;
OBJECT *PowerShroudObject = NULL;
OBJECT *ShroudObject = NULL;
OBJECT *OperateBarObject = NULL;
OBJECT *VolumeObject = NULL;
OBJECT *ConsoleTopObject = NULL;
OBJECT *ConsoleFrontObject = NULL;
OBJECTINIT keyboardObjects[] = {
{"WGLampOn",&WGLampOnObject,TRUE},
{"WGLampOff",&WGLampOffObject,FALSE},
{"RedButton",&RedButtonObject,TRUE},
{"BlackButton",&BlackButtonObject,TRUE},
{"PowerOnButton",&PowerOnButtonObject,TRUE},
{"PowerOffButton",&PowerOffButtonObject,TRUE},
{"PowerShroud",&PowerShroudObject,TRUE},
{"Shroud",&ShroudObject,TRUE},
{"OperateBar2",&OperateBarObject,TRUE},
{"Volume",&VolumeObject,TRUE},
{"ConsoleFront",&ConsoleFrontObject,FALSE},
{"ConsoleTop2",&ConsoleTopObject,FALSE},
{NULL,NULL,FALSE}
};
static WGButton *OperateBar;
extern GtkWidget *eventBox;
gfloat operateTopEdgeY;
static gboolean DontWarp = FALSE;
static float volAngle = 0.0;
static void FrontOffset(vec4 PointerXYZ,HandInfo *hand);
static void FrontOffset2(HandInfo *hand);
static void operateBarSound(float beta,guint time);
struct WgZone {
const char *ZoneName;
void (*enterHandlerActive)(enum WgZones,HandInfo *MovingHand);
void (*motionHandlerActive)(vec4,HandInfo *MovingHand,guint time);
gboolean (*exitHandlerActive)(enum WgZones,HandInfo *MovingHand,guint time);
void (*enterHandlerInactive)(enum WgZones,HandInfo *MovingHand);
void (*motionHandlerInactive)(vec4,HandInfo *MovingHand,guint time);
gboolean (*exitHandlerInactive)(enum WgZones,HandInfo *MovingHand,guint time);
};
static void dummyEnterhandler(enum WgZones FromZone,HandInfo *MovingHand);
static void OutsideMotionHandler(__attribute__((unused)) vec4 PointerXYZ,HandInfo *MovingHand,guint time);
static void OutsideEnterHander(enum WgZones FromZone,HandInfo *MovingHand);
static void OutsideEnterHanderInactive(__attribute__((unused)) enum WgZones FromZone,HandInfo *MovingHand);
static gboolean OutsideExitHandler(enum WgZones ToZone,HandInfo *MovingHand,guint time);
static void WgFrontLeftInnerMotionHandler(vec4 PointerXYZ,HandInfo *MovingHand,guint time);
static void WgFrontLeftOuterMotionHandler(vec4 PointerXYZ,HandInfo *MovingHand,guint time);
static void WgFrontRightInnerMotionHandler(vec4 PointerXYZ,HandInfo *MovingHand,guint time);
static void WgFrontRightOuterMotionHandler(vec4 PointerXYZ,HandInfo *MovingHand,guint time);
static void WgTopEnterHandler(enum WgZones FromZone,HandInfo *MovingHand);
static gboolean WgTopExitHandler(enum WgZones ToZone,HandInfo *MovingHand,guint time);
static void WgTopMotionHandler(vec4 PointerXYZ,HandInfo *MovingHand,guint time);
static void WgFrontLeftInnerEnterHandler(enum WgZones FromZone,HandInfo *MovingHand);
static void WgFrontRightInnerEnterHandler(enum WgZones FromZone,HandInfo *MovingHand);
static void WgFrontRightOuterEnterHandler(enum WgZones FromZone,HandInfo *MovingHand);
static gboolean WgFrontRightInnerExitHandler(enum WgZones ToZone,HandInfo *MovingHand,guint time);
static gboolean WgFrontRightInnerExitHandlerInactive(enum WgZones ToZone,HandInfo *MovingHand,guint time);
static gboolean WgFrontRightOuterExitHandler(enum WgZones ToZone,HandInfo *MovingHand,guint time);
static gboolean WgFrontRightOuterExitHandlerInactive(enum WgZones ToZone,HandInfo *MovingHand,guint time);
static gboolean WgFrontLeftInnerExitHandler(enum WgZones ToZone,HandInfo *MovingHan,guint timed);
static gboolean WgFrontLeftInnerExitHandlerInactive(enum WgZones ToZone,HandInfo *MovingHand,guint time);
static gboolean WgFrontLeftOuterExitHandler(enum WgZones ToZone,HandInfo *MovingHand,guint time);
static gboolean WgFrontLeftOuterExitHandlerInactive(enum WgZones ToZone,HandInfo *MovingHand,guint time);
static void OperateBarMotionHandler(vec4 PointerXYZ,HandInfo *MovingHand,guint time);
static void OperateBarEnterHandler(enum WgZones FromZone,HandInfo *MovingHand);
static gboolean OperateBarExitHandler(enum WgZones ToZone,HandInfo *MovingHand,guint time);
// Handlers for moving hands between Zones.
struct WgZone WgZones[LAST_ZONE] =
{
{"Outside",
OutsideEnterHander,OutsideMotionHandler,OutsideExitHandler,
OutsideEnterHanderInactive,OutsideMotionHandler,OutsideExitHandler},
{"Top",
WgTopEnterHandler,WgTopMotionHandler,WgTopExitHandler,
WgTopEnterHandler,WgTopMotionHandler,WgTopExitHandler},
{"Front Left Inner",
WgFrontLeftInnerEnterHandler,WgFrontLeftInnerMotionHandler,WgFrontLeftInnerExitHandler,
WgFrontLeftInnerEnterHandler,WgFrontLeftInnerMotionHandler,WgFrontLeftInnerExitHandlerInactive},
{"Front Left Outer",
dummyEnterhandler,WgFrontLeftOuterMotionHandler,WgFrontLeftOuterExitHandler,
dummyEnterhandler,WgFrontLeftOuterMotionHandler,WgFrontLeftOuterExitHandlerInactive},
{"Front Right Inner",
WgFrontRightInnerEnterHandler,WgFrontRightInnerMotionHandler,WgFrontRightInnerExitHandler,
WgFrontRightInnerEnterHandler,WgFrontRightInnerMotionHandler,WgFrontRightInnerExitHandlerInactive},
{"Front Right Outer",
WgFrontRightOuterEnterHandler,WgFrontRightOuterMotionHandler,WgFrontRightOuterExitHandler,
WgFrontRightOuterEnterHandler,WgFrontRightOuterMotionHandler,WgFrontRightOuterExitHandlerInactive},
{"Operate Bar",
OperateBarEnterHandler,OperateBarMotionHandler,OperateBarExitHandler,
OperateBarEnterHandler,OperateBarMotionHandler,OperateBarExitHandler}
};
static void OutsideEnterHander(__attribute__((unused)) enum WgZones FromZone,HandInfo *MovingHand)
{
showCursor();
MovingHand->useFinger = FALSE;
}
static void OutsideEnterHanderInactive(__attribute__((unused)) enum WgZones FromZone,HandInfo *MovingHand)
{
MovingHand->useFinger = FALSE;
}
static gboolean OutsideExitHandler(enum WgZones ToZone,HandInfo *MovingHand,__attribute__((unused)) guint time)
{
if(ToZone == WG_OPERATE)
{
warpMouseToXYZ(MovingHand->FingerAtXYZ);
return FALSE;
}
// Need to stop hands entering appropriate INNER zones from outside.
if(!MovingHand->LeftHand && (ToZone == WG_FRONT_LEFT_INNER))
{
warpMouseToXYZ(MovingHand->FingerAtXYZ);
return FALSE;
}
if(MovingHand->LeftHand && (ToZone == WG_FRONT_RIGHT_INNER))
{
warpMouseToXYZ(MovingHand->FingerAtXYZ);
return FALSE;
}
hideCursor();
warpMouseToXYZ(MovingHand->FingerAtXYZ);
MovingHand->useFinger = TRUE;
return TRUE;
}
static void OutsideMotionHandler(__attribute__((unused)) vec4 PointerXYZ,
__attribute__((unused)) HandInfo *MovingHand,
__attribute__((unused)) guint time)
{
}
static void WgFrontLeftInnerEnterHandler(__attribute__((unused)) enum WgZones FromZone,
__attribute__((unused)) HandInfo *MovingHand)
{
}
static void WgFrontRightInnerEnterHandler(__attribute__((unused)) enum WgZones FromZone,
__attribute__((unused)) HandInfo *MovingHand)
{
}
static void WgFrontRightOuterEnterHandler(__attribute__((unused)) enum WgZones FromZone,
__attribute__((unused)) HandInfo *MovingHand)
{
}
static gboolean WgFrontRightInnerExitHandlerInactive(enum WgZones ToZone,
HandInfo *MovingHand,
guint time)
{
if(ToZone == OFF_PISTE)
{
glm_vec4_copy(MovingHand->PreviousFingerAtXYZ,MovingHand->FingerAtXYZ);
glm_vec4_copy(MovingHand->PreviousPushedOffsetXYZ,MovingHand->PushedOffsetXYZ);
glm_vec4_copy(MovingHand->PreviousSurfaceOffsetXYZ,MovingHand->SurfaceOffsetXYZ);
return TRUE;
}
if( (ToZone == WG_FRONT_RIGHT_OUTER) && (MovingHand->LeftHand) )
{
// Pop the operate bar up when hand leaves the zone
MovingHand->operateAngle = 0.0f;
operateBarSound(0.0,time);
// The hand may have been constrained by the operate bar, so warp the
// mouse to the finger.
warpMouseToXYZ(MovingHand->FingerAtXYZ);
}
if( (ToZone == WG_OPERATE) && (!MovingHand->LeftHand) )
{
if((MovingHand->FingerAtXYZ[1]+MovingHand->PushedOffsetXYZ[1]) <= operateTopEdgeY)
{
glm_vec4_add(MovingHand->PreviousPushedOffsetXYZ,
MovingHand->PreviousFingerAtXYZ,
MovingHand->PreviousFingerAtXYZ);
warpMouseToXYZ(MovingHand->PreviousFingerAtXYZ);
MovingHand->Pushed = NOT_PUSHED;
glm_vec4_zero(MovingHand->PreviousPushedOffsetXYZ);
FrontOffset(MovingHand->PreviousFingerAtXYZ,MovingHand);
glm_vec4_copy(MovingHand->SurfaceOffsetXYZ,MovingHand->PreviousSurfaceOffsetXYZ);
return FALSE;
}
}
return TRUE;
}
static gboolean WgFrontRightInnerExitHandler(enum WgZones ToZone,
HandInfo *MovingHand,guint time)
{
if(ToZone == OFF_PISTE)
{
glm_vec4_copy(MovingHand->PreviousFingerAtXYZ,MovingHand->FingerAtXYZ);
glm_vec4_copy(MovingHand->PreviousPushedOffsetXYZ,MovingHand->PushedOffsetXYZ);
glm_vec4_copy(MovingHand->PreviousSurfaceOffsetXYZ,MovingHand->SurfaceOffsetXYZ);
return TRUE;
}
if( (ToZone == WG_FRONT_RIGHT_OUTER) && (MovingHand->LeftHand) )
{
// Pop the operate bar up when hand leaves the zone
MovingHand->operateAngle = 0.0f;
operateBarSound(0.0,time);
// The hand may have been constrained by the operate bar, so warp the
// mouse to the finger.
warpMouseToXYZ(MovingHand->FingerAtXYZ);
}
if( (ToZone == WG_OPERATE) && (!MovingHand->LeftHand) )
{
if(MovingHand->FingerAtXYZ[1] <= operateTopEdgeY)
{
warpMouseToXYZ(MovingHand->PreviousFingerAtXYZ);
return FALSE;
}
}
return TRUE;
}
static gboolean WgFrontLeftInnerExitHandlerInactive(enum WgZones ToZone,HandInfo *MovingHand,guint time)
{
if(ToZone == OFF_PISTE)
{
glm_vec4_copy(MovingHand->PreviousFingerAtXYZ,MovingHand->FingerAtXYZ);
glm_vec4_copy(MovingHand->PreviousPushedOffsetXYZ,MovingHand->PushedOffsetXYZ);
glm_vec4_copy(MovingHand->PreviousSurfaceOffsetXYZ,MovingHand->SurfaceOffsetXYZ);
return TRUE;
}
if( (ToZone == WG_FRONT_LEFT_OUTER) && (!MovingHand->LeftHand) )
{
// Pop the operate bar up when hand leaves the zone
MovingHand->operateAngle = 0.0f;
operateBarSound(0.0,time);
// The hand may have been constrained by the operate bar, so warp the
// mouse to the finger.
warpMouseToXYZ(MovingHand->FingerAtXYZ);
}
if( (ToZone == WG_OPERATE) && (MovingHand->LeftHand) )
{
if((MovingHand->FingerAtXYZ[1]+MovingHand->PushedOffsetXYZ[1]) <= operateTopEdgeY)
{
glm_vec4_add(MovingHand->PreviousPushedOffsetXYZ,
MovingHand->PreviousFingerAtXYZ,
MovingHand->PreviousFingerAtXYZ);
warpMouseToXYZ(MovingHand->PreviousFingerAtXYZ);
MovingHand->Pushed = NOT_PUSHED;
glm_vec4_zero(MovingHand->PreviousPushedOffsetXYZ);
FrontOffset(MovingHand->PreviousFingerAtXYZ,MovingHand);
glm_vec4_copy(MovingHand->SurfaceOffsetXYZ,MovingHand->PreviousSurfaceOffsetXYZ);
return FALSE;
}
}
return TRUE;
}
static gboolean WgFrontLeftInnerExitHandler(enum WgZones ToZone,HandInfo *MovingHand,guint time)
{
if(ToZone == OFF_PISTE)
{
glm_vec4_copy(MovingHand->PreviousFingerAtXYZ,MovingHand->FingerAtXYZ);
glm_vec4_copy(MovingHand->PreviousPushedOffsetXYZ,MovingHand->PushedOffsetXYZ);
glm_vec4_copy(MovingHand->PreviousSurfaceOffsetXYZ,MovingHand->SurfaceOffsetXYZ);
return TRUE;
}
if( (ToZone == WG_FRONT_LEFT_OUTER) && (!MovingHand->LeftHand) )
{
// Pop the operate bar up when hand leaves the zone
MovingHand->operateAngle = 0.0f;
operateBarSound(0.0,time);
// The hand may have been constrained by the operate bar, so warp the
// mouse to the finger.
warpMouseToXYZ(MovingHand->FingerAtXYZ);
}
if( (ToZone == WG_OPERATE) && (MovingHand->LeftHand) )
{
if(MovingHand->FingerAtXYZ[1] <= operateTopEdgeY)
{
warpMouseToXYZ(MovingHand->PreviousFingerAtXYZ);
return FALSE;
}
}
return TRUE;
}
static gboolean WgFrontRightOuterExitHandlerInactive(enum WgZones ToZone,
HandInfo *MovingHand,
__attribute__((unused)) guint time)
{
if(ToZone == OFF_PISTE)
{
glm_vec4_copy(MovingHand->PreviousFingerAtXYZ,MovingHand->FingerAtXYZ);
glm_vec4_copy(MovingHand->PreviousPushedOffsetXYZ,MovingHand->PushedOffsetXYZ);
glm_vec4_copy(MovingHand->PreviousSurfaceOffsetXYZ,MovingHand->SurfaceOffsetXYZ);
return TRUE;
}
if( (ToZone == WG_FRONT_RIGHT_INNER) && (MovingHand->LeftHand) )
{
if((MovingHand->FingerAtXYZ[1]+InactiveHand->PushedOffsetXYZ[1]) <= operateTopEdgeY)
{
warpMouseToXYZ(MovingHand->PreviousFingerAtXYZ);
return FALSE;
}
}
return TRUE;
}
static gboolean WgFrontRightOuterExitHandler(enum WgZones ToZone,
HandInfo *MovingHand,
__attribute__((unused)) guint time)
{
if(ToZone == OFF_PISTE)
{
glm_vec4_copy(MovingHand->PreviousFingerAtXYZ,MovingHand->FingerAtXYZ);
glm_vec4_copy(MovingHand->PreviousPushedOffsetXYZ,MovingHand->PushedOffsetXYZ);
glm_vec4_copy(MovingHand->PreviousSurfaceOffsetXYZ,MovingHand->SurfaceOffsetXYZ);
return TRUE;
}
if( (ToZone == WG_FRONT_RIGHT_INNER) && (MovingHand->LeftHand) )
{
if(MovingHand->FingerAtXYZ[1] <= operateTopEdgeY)
{
warpMouseToXYZ(MovingHand->PreviousFingerAtXYZ);
return FALSE;
}
}
return TRUE;
}
static gboolean WgFrontLeftOuterExitHandlerInactive(enum WgZones ToZone,
HandInfo *MovingHand,
__attribute__((unused)) guint time)
{
if(ToZone == OFF_PISTE)
{
glm_vec4_copy(MovingHand->PreviousFingerAtXYZ,MovingHand->FingerAtXYZ);
glm_vec4_copy(MovingHand->PreviousPushedOffsetXYZ,MovingHand->PushedOffsetXYZ);
glm_vec4_copy(MovingHand->PreviousSurfaceOffsetXYZ,MovingHand->SurfaceOffsetXYZ);
return TRUE;
}
if( (ToZone == WG_FRONT_LEFT_INNER) && (!MovingHand->LeftHand) )
{
if((MovingHand->FingerAtXYZ[1]+InactiveHand->PushedOffsetXYZ[1]) <= operateTopEdgeY)
{
warpMouseToXYZ(MovingHand->PreviousFingerAtXYZ);
return FALSE;
}
}
return TRUE;
}
static gboolean WgFrontLeftOuterExitHandler(enum WgZones ToZone,
HandInfo *MovingHand,
__attribute__((unused)) guint time)
{
if(ToZone == OFF_PISTE)
{
glm_vec4_copy(MovingHand->PreviousFingerAtXYZ,MovingHand->FingerAtXYZ);
glm_vec4_copy(MovingHand->PreviousPushedOffsetXYZ,MovingHand->PushedOffsetXYZ);
glm_vec4_copy(MovingHand->PreviousSurfaceOffsetXYZ,MovingHand->SurfaceOffsetXYZ);
return TRUE;
}
if( (ToZone == WG_FRONT_LEFT_INNER) && (!MovingHand->LeftHand) )
{
if(MovingHand->FingerAtXYZ[1] <= operateTopEdgeY)
{
warpMouseToXYZ(MovingHand->PreviousFingerAtXYZ);
return FALSE;
}
}
return TRUE;
}
static void WgTopEnterHandler(__attribute__((unused)) enum WgZones FromZone,
__attribute__((unused)) HandInfo *MovingHand)
{
}
static gboolean WgTopExitHandler(__attribute__((unused)) enum WgZones ToZone,
HandInfo *MovingHand,
__attribute__((unused)) guint time)
{
if(ToZone == OFF_PISTE)
{
glm_vec4_copy(MovingHand->PreviousFingerAtXYZ,MovingHand->FingerAtXYZ);
glm_vec4_copy(MovingHand->PreviousPushedOffsetXYZ,MovingHand->PushedOffsetXYZ);
glm_vec4_copy(MovingHand->PreviousSurfaceOffsetXYZ,MovingHand->SurfaceOffsetXYZ);
}
return TRUE;
}
static void OperateBarEnterHandler(__attribute__((unused)) enum WgZones FromZone,
__attribute__((unused)) HandInfo *MovingHand)
{
}
static gboolean OperateBarExitHandler(__attribute__((unused)) enum WgZones ToZone,
HandInfo *MovingHand,guint time)
{
if(ToZone == OFF_PISTE)
{
MovingHand->PreviousFingerAtXYZ[1] = 1.82f;
MovingHand->PreviousFingerAtXYZ[2] = 3.5424f;
FrontOffset2(MovingHand);
warpMouseToXYZ(MovingHand->PreviousFingerAtXYZ);
return FALSE;
}
// Only pop up the operate bar if no fingers are pressing it.
if( ( (ToZone == WG_FRONT_RIGHT_INNER) && (!MovingHand->LeftHand) ) ||
( (ToZone == WG_FRONT_LEFT_INNER ) && ( MovingHand->LeftHand) ) )
{
// Pop the operate bar up when hand leaves the zone
MovingHand->operateAngle = 0.0f;
operateBarSound(0.0,time);
}
warpMouseToXYZ(MovingHand->FingerAtXYZ);
return TRUE;
}
static void OperateBarMotionHandler(vec4 PointerXYZ,HandInfo *MovingHand,guint time)
{
float activeBeta;
glm_vec4_copy(PointerXYZ,MovingHand->FingerAtXYZ);
FrontOffset2(MovingHand);
if(MovingHand->FingerAtXYZ[1] < 1.4f)
{
// User previous X value as the value in PointerXYZ may be
// outside the operate bar edges due to projection into the background.
MovingHand->FingerAtXYZ[0] = MovingHand->PreviousFingerAtXYZ[0];
MovingHand->FingerAtXYZ[1] = 1.82f;
MovingHand->FingerAtXYZ[2] = 3.5524f;
FrontOffset2(MovingHand);
warpMouseToXYZ(MovingHand->FingerAtXYZ);
}
// Limit hands motion when operate bar motion limit is reached.
if(MovingHand->FingerAtXYZ[1] < 1.82f)
{
MovingHand->FingerAtXYZ[1] = 1.82f;
MovingHand->FingerAtXYZ[2] = 3.5524f;
FrontOffset2(MovingHand);
}
// Rotate the operate bar when it is being pressed
if(MovingHand->FingerAtXYZ[1] <= 1.97f)
{
activeBeta = 3.3333333f * (1.97f - MovingHand->FingerAtXYZ[1]);
}
else
{
activeBeta = 0.0f;
}
MovingHand->operateAngle = activeBeta;
operateBarSound(activeBeta,time);
}
static void PushedOffset(HandInfo *hand)
{
float z,alpha;
vec4 pushedXYZ;
enum WgZones zone;
// Add X part of PushedOffset to hand to get zone.
glm_vec4_copy(hand->FingerAtXYZ,pushedXYZ);
pushedXYZ[0] += hand->PushedOffsetXYZ[0];
zone = XYZtoZone(pushedXYZ);
if(hand->LeftHand)
{
// Set PushedOffset Y & Z to move the hand to just above the operate bar.
z = 1.98f -hand->FingerAtXYZ[1];
if(z > 0.0f)
{
if((zone == WG_OPERATE ) || (zone == WG_FRONT_RIGHT_INNER))
{
hand->PushedOffsetXYZ[1] = z;
hand->PushedOffsetXYZ[2] = -z/3.8468f;
}
if(zone == WG_FRONT_RIGHT_OUTER)
{
// alpha gradually moves the hand up so it will miss the operate
// bar if it is pushed that far.
alpha = 1.0f - ( (hand->FingerAtXYZ[0] + hand->PushedOffsetXYZ[0] - 1.82f) /
(hand->FingerAtXYZ[0] - 1.82f));
hand->PushedOffsetXYZ[1] = alpha * z;
hand->PushedOffsetXYZ[2] = alpha * -z / 3.8468f;
}
}
else
{
hand->PushedOffsetXYZ[1] = 0.0f;
hand->PushedOffsetXYZ[2] = 0.0f;
}
}
else
{
// Set PushedOffset Y & Z to move the hand to just above the operate bar.
z = 1.98f -hand->FingerAtXYZ[1];
if(z > 0.0f)
{
if((zone == WG_OPERATE ) || (zone == WG_FRONT_LEFT_INNER))
{
hand->PushedOffsetXYZ[1] = z;
hand->PushedOffsetXYZ[2] = -z/3.8468f;
}
if(zone == WG_FRONT_LEFT_OUTER)
{
// alpha gradually moves the hand up so it will miss the operate
// bar if it is pushed that far.
alpha = 1.0f - ( (hand->FingerAtXYZ[0] + hand->PushedOffsetXYZ[0] + 2.2f ) /
( hand->FingerAtXYZ[0] + 2.2f));
//printf("alpha = %f",(double) alpha);
hand->PushedOffsetXYZ[1] = alpha * z;
hand->PushedOffsetXYZ[2] = alpha * -z / 3.8468f;
}
}
else
{
hand->PushedOffsetXYZ[1] = 0.0f;
hand->PushedOffsetXYZ[2] = 0.0f;
}
}
}
void FrontOffset2(HandInfo *hand)
{
float alpha,beta,gamma;
float boundary = 2.0f;
vec4 positionXYZ;
hand->NearestButton = NULL;
glm_vec4_add(hand->FingerAtXYZ,hand->PushedOffsetXYZ,positionXYZ);
hand->SurfaceOffsetXYZ[0] = 0.0f;
if(positionXYZ[1] > boundary)
{
alpha = (2.204f - positionXYZ[1] ) / (2.204f - boundary);
beta = 1.0f;
}
else
{
alpha = 1.0f;
beta = (positionXYZ[1] - 1.367f) / (boundary - 1.367f);
}
if(hand->LeftHand)
{
if(positionXYZ[0] > 0.0f)
{
gamma = 0.2f + (0.5f * positionXYZ[0] / 3.6509f);
}
else
{
gamma = 0.2f - (0.3f * positionXYZ[0] / 4.04f);
}
}
else
{
if(positionXYZ[0] < 0.0f)
{
gamma = 0.2f - (0.5f * positionXYZ[0] / 4.04f);
}
else
{
gamma = 0.2f + (0.3f * positionXYZ[0] / 3.6509f);
}
}
hand->SurfaceOffsetXYZ[2] = gamma * alpha;
hand->SurfaceOffsetXYZ[1] = 0.12f * beta;
}
static void FrontOffset(vec4 PointerXYZ,HandInfo *hand)
{
float alpha,beta,gamma;
float boundary = 2.0f;
hand->NearestButton = NULL;
glm_vec4_copy(PointerXYZ,hand->FingerAtXYZ);
hand->SurfaceOffsetXYZ[0] = 0.0f;
if(PointerXYZ[1] > boundary)
{
alpha = (2.204f - PointerXYZ[1] ) / (2.204f - boundary);
beta = 1.0f;
}
else
{
alpha = 1.0f;
beta = (PointerXYZ[1] - 1.367f) / (boundary - 1.367f);
}
if(hand->LeftHand)
{
if(PointerXYZ[0] > 0.0f)
{
gamma = 0.2f + (0.5f * PointerXYZ[0] / 3.6509f);
}
else
{
gamma = 0.2f - (0.3f * PointerXYZ[0] / 4.04f);
}
}
else
{
if(PointerXYZ[0] < 0.0f)
{
gamma = 0.2f - (0.5f * PointerXYZ[0] / 4.04f);
}
else
{
gamma = 0.2f + (0.3f * PointerXYZ[0] / 3.6509f);
}
}
hand->SurfaceOffsetXYZ[2] = gamma * alpha;
hand->SurfaceOffsetXYZ[1] = 0.12f * beta;
}
static void WgFrontLeftInnerMotionHandler(vec4 PointerXYZ,HandInfo *MovingHand,guint time)
{
float activeBeta;
glm_vec4_copy(PointerXYZ,MovingHand->FingerAtXYZ);
FrontOffset2(MovingHand);
if(!MovingHand->LeftHand)
{
if(MovingHand->FingerAtXYZ[1] < 1.4f)
{
// Because the curosr is off the surface the X,Y,Z values
// need to be reset
MovingHand->FingerAtXYZ[0] = MovingHand->PreviousFingerAtXYZ[0];
MovingHand->FingerAtXYZ[1] = 1.82f;
MovingHand->FingerAtXYZ[2] = 3.5524f;
FrontOffset2(MovingHand);
warpMouseToXYZ(MovingHand->FingerAtXYZ);
}
// Limit hands motion when operate bar motion limit is reached.
if(MovingHand->FingerAtXYZ[1] < 1.82f)
{
MovingHand->FingerAtXYZ[1] = 1.82f;
MovingHand->FingerAtXYZ[2] = 3.5524f;
FrontOffset(MovingHand->FingerAtXYZ,MovingHand);
}
// Rotate the operate bar when it is being pressed
if(MovingHand->FingerAtXYZ[1] < 1.97f)
{
activeBeta = 3.3333333f * (1.97f - MovingHand->FingerAtXYZ[1]);
}
else
{
activeBeta = 0.0f;
}
MovingHand->operateAngle = activeBeta;
operateBarSound(activeBeta,time);
}
}
static void WgFrontLeftOuterMotionHandler(vec4 PointerXYZ,HandInfo *MovingHand,
__attribute__((unused)) guint time)
{
glm_vec4_copy(PointerXYZ,MovingHand->FingerAtXYZ);
FrontOffset2(MovingHand);
}
static void WgFrontRightInnerMotionHandler(vec4 PointerXYZ,HandInfo *MovingHand,guint time)
{
float activeBeta;
glm_vec4_copy(PointerXYZ,MovingHand->FingerAtXYZ);
FrontOffset2(MovingHand);
if(MovingHand->LeftHand)
{
if(MovingHand->FingerAtXYZ[1] < 1.4f)
{
// Because the curosr is off the surface the X,Y,Z values
// need to be reset
MovingHand->FingerAtXYZ[0] = MovingHand->PreviousFingerAtXYZ[0];
MovingHand->FingerAtXYZ[1] = 1.82f;
MovingHand->FingerAtXYZ[2] = 3.5524f;
FrontOffset2(MovingHand);
warpMouseToXYZ(MovingHand->FingerAtXYZ);
}
// Limit hands motion when operate bar motion limit is reached.
if(MovingHand->FingerAtXYZ[1] < 1.82f)
{
MovingHand->FingerAtXYZ[1] = 1.82f;
MovingHand->FingerAtXYZ[2] = 3.5524f;
FrontOffset(MovingHand->FingerAtXYZ,MovingHand);
}
// Rotate the operate bar when it is being pressed
if(MovingHand->FingerAtXYZ[1] < 1.97f)
{
activeBeta = 3.3333333f * (1.97f - MovingHand->FingerAtXYZ[1]);
}
else
{
activeBeta = 0.0f;
}
MovingHand->operateAngle = activeBeta;
operateBarSound(activeBeta,time);
}
}
static void WgFrontRightOuterMotionHandler(vec4 PointerXYZ,HandInfo *MovingHand,
__attribute__((unused)) guint time)
{
glm_vec4_copy(PointerXYZ,MovingHand->FingerAtXYZ);
FrontOffset2(MovingHand);
}
static void WgTopMotionHandler(vec4 PointerXYZ,HandInfo *MovingHand,guint time)
{
WGButton *thisButton,*closestButton = NULL;
float closest = 1000.0f;
float distance;
vec4 offset = {0.0f,0.12f,0.0f,0.0f};
static float volumeZ;
thisButton = WGButtons;
glm_vec4_copy(offset, MovingHand->SurfaceOffsetXYZ);
while(thisButton->objectId != 0)
{
if( (thisButton->objectId != 999) && (thisButton->objectId != 70))
{
distance = hypotf(thisButton->TranslateUp[0] - PointerXYZ[0],
thisButton->TranslateUp[2] - PointerXYZ[2]);
if(distance < closest)
{
closest = distance;
closestButton = thisButton;
}
}
thisButton++;
}
// Deal with the volume control
if((closestButton != NULL) && (closestButton->objectId == 80))
{
switch(MovingHand->SnapState)
{
case 0:
if((fabsf(closestButton->TranslateUp[0] - PointerXYZ[0]) < 0.1f) &&
(fabsf(closestButton->TranslateUp[2] - PointerXYZ[2]) < 0.3f))
{
// normal move finger to pointer
glm_vec4_copy(PointerXYZ,MovingHand->FingerAtXYZ);
MovingHand->SnapState = 1;
MovingHand->NearestButton = closestButton;
volumeZ = PointerXYZ[2];
}
else
{
// normal move finger to pointer
glm_vec4_copy(PointerXYZ,MovingHand->FingerAtXYZ);
}
break;
case 1:
if((fabsf(closestButton->TranslateUp[0] - PointerXYZ[0]) < 0.1f) &&
(fabsf(closestButton->TranslateUp[2] - PointerXYZ[2]) < 0.3f))
{
if(MovingHand->fingersPressed != 0)
{
ButtonEvent *be;
volAngle += 2.0f * (PointerXYZ[2] - volumeZ) ;
volAngle = fminf(volAngle,0.93f);
volAngle = fmaxf(volAngle,-0.25f);
be = (ButtonEvent *) malloc(sizeof(ButtonEvent));
be->press = TRUE;
be->rowId = VOLUME;
be->value = (guint)(2560.0f * ((volAngle + 0.25f)/1.18f));
be->time = time;
g_async_queue_push(ButtonEventQueue,(gpointer) be);
}
volumeZ = PointerXYZ[2];
// normal move finger to pointer
glm_vec4_copy(PointerXYZ,MovingHand->FingerAtXYZ);
}
else
{
// normal move finger to pointer
glm_vec4_copy(PointerXYZ,MovingHand->FingerAtXYZ);
MovingHand->SnapState = 0;
MovingHand->NearestButton = NULL;
}
default:
break;
}
}
/* Snapping to buttons :
0 : Not snapped
1 : Finger has approached a button and finger and pointer have
snapped to the middle of the button. Finger does not follow pointer
2: Pointer has moved away and been warped back to the center. Finger
now tracks pointer
*/
if((closestButton != NULL) && (closestButton->objectId != 80))
{
// Needs refactoring !
switch(MovingHand->SnapState)
{
case 0: // Not snappped top button
if(closest < 0.1f)
{
// Move finger and pointer to middle of snapped button.
MovingHand->NearestButton = closestButton;
glm_vec4_copy(closestButton->TranslateUp,MovingHand->FingerAtXYZ);
warpMouseToXYZ( MovingHand->FingerAtXYZ);
MovingHand->SnapState = 1;
}
else
{
// normal move finger to pointer
glm_vec4_copy(PointerXYZ,MovingHand->FingerAtXYZ);
}
break;
case 1:
// Keep finger over snapped button
glm_vec4_copy(MovingHand->NearestButton->TranslateUp,MovingHand->FingerAtXYZ);
if((closest >= 0.1f) || (MovingHand->NearestButton != closestButton))
{
warpMouseToXYZ( MovingHand->FingerAtXYZ);
MovingHand->SnapState = 2;
// Finger and Button up when snap 1 -> 2
if(MovingHand->fingersPressed != 0)
{
MovingHand->fingersPressed = 0;
if(MovingHand->NearestButton->handler != NULL)
{
(MovingHand->NearestButton->handler)(MovingHand->NearestButton,FALSE,time);
}
}
}
break;
case 2:
if((closest < 0.1f) && (MovingHand->NearestButton == closestButton))
{
glm_vec4_copy(PointerXYZ,MovingHand->FingerAtXYZ);
}
else if((closest >= 0.1f) && (MovingHand->NearestButton == closestButton))
{
glm_vec4_copy(PointerXYZ,MovingHand->FingerAtXYZ);
MovingHand->SnapState = 0;
}
else if((closest < 0.1f) && (MovingHand->NearestButton != closestButton))
{
MovingHand->NearestButton = closestButton;
glm_vec4_copy(closestButton->TranslateUp,MovingHand->FingerAtXYZ);
warpMouseToXYZ( MovingHand->FingerAtXYZ);
MovingHand->SnapState = 1;
}
else
{
glm_vec4_copy(PointerXYZ,MovingHand->FingerAtXYZ);
MovingHand->SnapState = 0;
}
if(MovingHand->SnapState == 0)
{
// Finger and Button up when snap 2 -> 0
if(MovingHand->fingersPressed != 0)
{
MovingHand->fingersPressed = 0;
if(MovingHand->NearestButton->handler != NULL)
{
(MovingHand->NearestButton->handler)(MovingHand->NearestButton,FALSE,time);
}
}
MovingHand->NearestButton = NULL;
}
break;
default:
break;
}
}
}
// Use beta crossing 0.25 to generate operate bar press/release events
static void operateBarSound(float newBeta,guint time)
{
static float oldBeta = 0.0;
if((oldBeta <= 0.25f) && (newBeta > 0.25f))
{
OperateBarPressed(TRUE,time);
}
else if((oldBeta >= 0.25f) && (newBeta < 0.25f))
{
OperateBarPressed(FALSE,time);
}
oldBeta = newBeta;
}
static void dummyEnterhandler(__attribute__((unused)) enum WgZones FromZone,
__attribute__((unused)) HandInfo *MovingHand)