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deviceKeyboard.cpp

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/********************************************************************
Description: keyboard plug-in
part of the 3Dsia project
created: StonedBones, 24.4.2000

History:
    date,   name,       changes,                    in funtion
    240400  StonedBones created source

********************************************************************/



#include "deviceKeyboard.h"

#include <string.h>
#include <iostream>
#include <iomanip>

bool    isPresent;
int     intAxes;
int     intButtons;
long    intAxis[MAXAXES];
long    maxAxis[MAXAXES];
bool    intButton[MAXBUTTONS];
string  intName;
bool    chatmode;
bool    keyunderway;
bool    keypassed;

/*...................................................................
Description: returns the actual plugin
Args: <none>
Returns: plug-in pointer
Created: StonedBones, 26.2.2000
[ToDo:]
[Comments:]
Changes:
-------------------------------------------------------------------*/

extern "C" {DevicePlugIn* GetDevicePlugIn (void); };

DevicePlugIn* GetDevicePlugIn () {
    return &inputPlugIn;
};

/*...................................................................
Description: opens a joystick device
Args: char* device: device-filename
Returns: true on succes
Created: StonedBones, 26.2.2000
[ToDo:]
[Comments:]
Changes:
-------------------------------------------------------------------*/

bool openDevice () {
    intAxes   =3;
    intButtons=6;
    intName   ="glut-keyboard";
    isPresent =true;
    chatmode  = false;
    keyunderway = false;
    keypassed = false;

    for (int i=0; i < intAxes; i++) {
        intAxis[i]=0;
    };
    for (int i=0; i < intButtons; i++) {
        intButton[i]=false;
    };

    glutKeyboardFunc (keyboard);
    glutKeyboardUpFunc (keyboardUp);
    glutSpecialFunc (special);
    glutSpecialUpFunc (specialUp);

    update ();

    return true;
};

/*...................................................................
Description: closes device if open
Args: <none>
Returns: <none>
Created: StonedBones, 26.2.2000
[ToDo:]
[Comments:]
Changes:
-------------------------------------------------------------------*/

void closeDevice () {
    return;
};

/*...................................................................
Description: updates axis(int nr) and buttonPressed (int nr)
Args:  <none>
Returns: true on success
Created: StonedBones, 26.2.2000
[ToDo:]
[Comments:]
Changes:
-------------------------------------------------------------------*/

bool update () {
    if (isPresent) {
        if (keypassed) {
            intAxis[2]=0;
            keypassed = false;
            keyunderway = false;
        };
        if (keyunderway) {
            keypassed = true;
        };
        return true;
    } else return false;
};

/*...................................................................
Description: returns the joystick name (given by kernel-module)
Args: <none>
Returns: NULL if no joystick was opened
Created: StonedBones, 26.2.2000
[ToDo:]
[Comments:]
Changes:
-------------------------------------------------------------------*/

string name () {
    if (isPresent) {
        return intName;
    } else return "none found";
};

/*...................................................................
Description: returns the amount of axes
Args: <none>
Returns: 0 if no joystick present
Created: StonedBones, 26.2.2000
[ToDo:]
[Comments:]
Changes:
-------------------------------------------------------------------*/

int axes () {
    if (isPresent) {
        return intAxes;
    } else return 0;
};

/*...................................................................
Description: returns the amount of buttons
Args: <none>
Returns: 0 if no joystick present
Created: StonedBones, 26.2.2000
[ToDo:]
[Comments:]
Changes:
-------------------------------------------------------------------*/

int buttons () {
    if (isPresent) {
        return intButtons;
    } else return 0;
};

/*...................................................................
Description: returns the value of axis 'nr'
Args: int nr: axis-number
Returns: axis-value
Created: StonedBones, 26.2.2000
[ToDo:]
[Comments:]
Changes:
-------------------------------------------------------------------*/

long axis (int nr) {
    if (isPresent) {
    if (nr < intAxes) {
        return (intAxis[nr]);
    } else {
        return 0;
    };
    } else {
        return 0;
    };
};

/*...................................................................
Description: returns if a certain button is pressed
Args: int nr: button-number
Returns: true if pressed
Created: StonedBones, 26.2.2000
[ToDo:]
[Comments:]
Changes:
-------------------------------------------------------------------*/

bool buttonPressed (int nr) {
    if (isPresent) {
    if (nr < intButtons) {
        return intButton[nr];
    } else {
        return false;
    };
    } else {
        return false;
    };
};


void keyboard (unsigned char key, int x, int y) {
    if (!chatmode) {
        intButton[0]=(key == 'f');
        intButton[1]=(key == 'b');
        intButton[2]=((key == 27) || (key == 'q') || (key == 'x'));
        intButton[3]=(key == '+');
        intButton[4]=(key == '-');
    } else {
        intAxis[2]=(long) key;
        keyunderway = true;
    };
};

void keyboardUp (unsigned char key, int x, int y) {
    if (!chatmode) {
        switch (key) {
            case 'f'  : {   intButton[0] = false;
                            break;
                        };
            case 'b'  : {   intButton[1] = false;
                            break;
                        };
            case 27   :
            case 'q'  :
            case 'x'  : {   intButton[2] = false;
                            break;
                        };
            case '+'  : {   intButton[3] = false;
                            break;
                        };
            case '-'  : {   intButton[4] = false;
                            break;
                        };
            default   : break;
        };
    } else {
        intAxis[2]=0;
    };
};

void special (int key, int x, int y) {
    if (key == GLUT_KEY_UP) {
        intAxis[0]=32767;
    } else if (key == GLUT_KEY_DOWN) {
        intAxis[0]=-32767;
    } else {
        intAxis[0]=0;
    };

    if (key == GLUT_KEY_LEFT) {
        intAxis[1]=32767;
    } else if (key == GLUT_KEY_RIGHT) {
        intAxis[1]=-32767;
    } else {
        intAxis[1]=0;
    };

    if (key == GLUT_KEY_F1) {
        intButton[5]=true;
        chatmode = !chatmode;
    } else {
        intButton[5]=false;
    };
};

void specialUp (int key, int x, int y) {
    switch (key) {
    case GLUT_KEY_UP  :
    case GLUT_KEY_DOWN: {   intAxis[0] = 0;
                            break;
                        };
    case GLUT_KEY_LEFT :
    case GLUT_KEY_RIGHT:{   intAxis[1] = 0;
                            break;
                        };
    case GLUT_KEY_F1  : {   intButton[5] = false;
                            break;
                        };
    default : break;
    };
};

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