source-engine/game/client/touch.h

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#include "utllinkedlist.h"
#include "vgui/VGUI.h"
#include <vgui_controls/Panel.h>
#include "cbase.h"
#include "kbutton.h"
#include "usercmd.h"
extern ConVar touch_enable;
#define GRID_COUNT touch_grid_count.GetInt()
#define GRID_COUNT_X (GRID_COUNT)
#define GRID_COUNT_Y (GRID_COUNT * screen_h / screen_w)
#define GRID_X (1.0/GRID_COUNT_X)
#define GRID_Y (screen_w/screen_h/GRID_COUNT_X)
#define GRID_ROUND_X(x) ((float)round( x * GRID_COUNT_X ) / GRID_COUNT_X)
#define GRID_ROUND_Y(x) ((float)round( x * GRID_COUNT_Y ) / GRID_COUNT_Y)
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#define CMD_SIZE 64
enum ETouchButtonType
{
touch_command = 0, // Tap button
touch_move, // Like a joystick stick.
touch_joy, // Like a joystick stick, centered.
touch_dpad, // Only two directions.
touch_look, // Like a touchpad.
touch_key
};
enum ETouchState
{
state_none = 0,
state_edit,
state_edit_move
};
enum ETouchRound
{
round_none = 0,
round_grid,
round_aspect
};
struct rgba_t
{
rgba_t( unsigned char r, unsigned char g, unsigned char b, unsigned char a = 255 ) : r( r ), g( g ), b( b ), a( a ) { }
rgba_t() : r( 0 ), g( 0 ), b( 0 ), a( 0 ) { }
rgba_t( unsigned char *x ) : r( x[0] ), g( x[1] ), b( x[2] ), a( x[3] ) { }
operator unsigned char*() { return &r; }
unsigned char r, g, b, a;
};
struct event_clientcmd_t
{
char buf[CMD_SIZE];
};
struct event_s
{
int type;
int x;
int y;
int fingerid;
} typedef touch_event_t;
class CTouchButton
{
public:
// Touch button type: tap, stick or slider
ETouchButtonType type;
// Field of button in pixels
float x1, y1, x2, y2;
// Button texture
int texture;
rgba_t color;
char texturefile[256];
char command[256];
char name[32];
int finger;
int flags;
float fade;
float fadespeed;
float fadeend;
float aspect;
int textureID;
};
class CTouchPanel : public vgui::Panel
{
DECLARE_CLASS_SIMPLE( CTouchPanel, vgui::Panel );
public:
CTouchPanel( vgui::VPANEL parent );
virtual ~CTouchPanel( void ) {};
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virtual void Paint();
virtual bool ShouldDraw( void );
};
abstract_class ITouchPanel
{
public:
virtual void Create( vgui::VPANEL parent ) = 0;
virtual void Destroy( void ) = 0;
};
class VTouchPanel : public ITouchPanel
{
private:
CTouchPanel *touchPanel;
public:
VTouchPanel( void )
{
touchPanel = NULL;
}
void Create( vgui::VPANEL parent )
{
touchPanel = new CTouchPanel( parent );
}
void Destroy( void )
{
if ( touchPanel )
{
touchPanel->SetParent( (vgui::Panel *)NULL );
touchPanel->MarkForDeletion();
touchPanel = NULL;
}
}
};
class CTouchControls
{
public:
void Init( );
void Shutdown( );
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void Paint( );
void Frame( );
void IN_TouchAddButton( const char *name, const char *texturefile, const char *command, float x1, float y1, float x2, float y2, rgba_t color = rgba_t(255, 255, 255, 255) );
void IN_TouchCheckCoords( float *x1, float *y1, float *x2, float *y2 );
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void Move( float frametime, CUserCmd *cmd );
void IN_Look( );
void ProcessEvent( touch_event_t *ev );
void FingerPress( touch_event_t *ev );
void FingerMotion( touch_event_t *ev );
CTouchPanel *touchPanel;
private:
bool initialized;
ETouchState state;
CUtlLinkedList<CTouchButton*> btns;
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int look_finger;
int move_finger;
float forward, side, movecount;
float yaw, pitch;
CTouchButton *move;
float move_start_x, move_start_y;
float dx, dy;
// editing
CTouchButton *edit;
CTouchButton *selection;
int resize_finger;
bool showbuttons;
bool clientonly;
rgba_t scolor;
int swidth;
bool precision;
// textures
int showtexture;
int hidetexture;
int resettexture;
int closetexture;
int joytexture; // touch indicator
bool configchanged;
vgui::HFont textfont;
int mouse_events;
int screen_h, screen_w;
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};
extern CTouchControls gTouch;
extern VTouchPanel *touch_panel;