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Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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source-engine/game/client/touch.cpp

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#include "convar.h"
#include <dlfcn.h>
#include <string.h>
#include "vgui/IInputInternal.h"
#include "VGuiMatSurface/IMatSystemSurface.h"
#include "vgui/ISurface.h"
#include "touch.h"
#include "cdll_int.h"
#include "ienginevgui.h"
#include "in_buttons.h"
#include "base_texture.h"
extern ConVar cl_sidespeed;
extern ConVar cl_forwardspeed;
extern ConVar cl_upspeed;
#ifdef ANDROID
#define TOUCH_DEFAULT "1"
#else
#define TOUCH_DEFAULT "0"
#endif
extern ConVar sensitivity;
ConVar touch_enable( "touch_enable", TOUCH_DEFAULT, FCVAR_ARCHIVE );
ConVar touch_forwardzone( "touch_forwardzone", "0.06", FCVAR_ARCHIVE, "forward touch zone" );
ConVar touch_sidezone( "touch_sidezone", "0.06", FCVAR_ARCHIVE, "side touch zone" );
ConVar touch_pitch( "touch_pitch", "90", FCVAR_ARCHIVE, "touch pitch sensitivity" );
ConVar touch_yaw( "touch_yaw", "120", FCVAR_ARCHIVE, "touch yaw sensitivity" );
ConVar touch_config_file( "touch_config_file", "touch.cfg", FCVAR_ARCHIVE, "current touch profile file" );
ConVar touch_grid_count( "touch_grid_count", "50", FCVAR_ARCHIVE, "touch grid count" );
ConVar touch_grid_enable( "touch_grid_enable", "1", FCVAR_ARCHIVE, "enable touch grid" );
ConVar touch_precise_amount( "touch_precise_amount", "0.5", FCVAR_ARCHIVE, "sensitivity multiplier for precise-look" );
#define boundmax( num, high ) ( (num) < (high) ? (num) : (high) )
#define boundmin( num, low ) ( (num) >= (low) ? (num) : (low) )
#define bound( low, num, high ) ( boundmin( boundmax(num, high), low ))
#define S
extern IVEngineClient *engine;
CTouchControls gTouch;
static VTouchPanel g_TouchPanel;
VTouchPanel *touch_panel = &g_TouchPanel;
CTouchPanel::CTouchPanel( vgui::VPANEL parent ) : BaseClass( NULL, "TouchPanel" )
{
SetParent( parent );
int w, h;
engine->GetScreenSize(w, h);
SetBounds( 0, 0, w, h );
SetFgColor( Color( 0, 0, 0, 255 ) );
SetPaintBackgroundEnabled( false );
SetKeyBoardInputEnabled( false );
SetMouseInputEnabled( false );
SetVisible( true );
}
void CTouchPanel::Paint()
{
gTouch.Frame();
}
CON_COMMAND( touch_addbutton, "add native touch button" )
{
rgba_t color;
int argc = args.ArgC();
if( argc >= 12 )
{
float aspect = 1.f;
int flags = 0;
if( argc >= 13 )
flags = Q_atoi( args[12] );
if( argc >= 14 )
aspect = Q_atof( args[13] );
color = rgba_t(Q_atoi(args[8]), Q_atoi(args[9]), Q_atoi(args[10]), Q_atoi(args[11]));
gTouch.AddButton( args[1], args[2], args[3],
Q_atof( args[4] ), Q_atof( args[5] ),
Q_atof( args[6] ), Q_atof( args[7] ) ,
color, round_aspect, aspect, flags );
return;
}
if( argc >= 8 )
{
color = rgba_t(255,255,255);
gTouch.AddButton( args[1], args[2], args[3],
Q_atof( args[4] ), Q_atof( args[5] ),
Q_atof( args[6] ), Q_atof( args[7] ),
color );
return;
}
if( argc >= 4 )
{
color = rgba_t(255,255,255);
gTouch.AddButton( args[1], args[2], args[3], 0.4, 0.4, 0.6, 0.6 );
return;
}
Msg( "Usage: touch_addbutton <name> <texture> <command> [<x1> <y1> <x2> <y2> [ r g b a ] ]\n" );
}
CON_COMMAND( touch_removebutton, "add native touch button" )
{
if( args.ArgC() > 1 )
gTouch.RemoveButton( args[1] );
else
Msg( "Usage: touch_removebutton <name>\n" );
}
CON_COMMAND( touch_settexture, "add native touch button" )
{
if( args.ArgC() >= 3 )
{
gTouch.SetTexture( args[1], args[2] );
return;
}
Msg( "Usage: touch_settexture <name> <file>\n" );
}
CON_COMMAND( touch_enableedit, "enable button editing mode" )
{
gTouch.EnableTouchEdit();
}
CON_COMMAND( touch_setcolor, "change button color" )
{
if( args.ArgC() >= 6 )
{
rgba_t color( Q_atoi( args[2] ), Q_atoi( args[3] ), Q_atoi( args[4] ), Q_atoi( args[5] ) );
gTouch.SetColor( args[1], color );
}
else
Msg( "Usage: touch_setcolor <name> <r> <g> <b> <a>\n" );
}
CON_COMMAND( touch_setcommand, "change button command" )
{
if( args.ArgC() >= 3 )
gTouch.SetCommand( args[1], args[2] );
else
Msg( "Usage: touch_setcommand <name> <command>\n" );
}
CON_COMMAND( touch_setflags, "change button flags" )
{
if( args.ArgC() >= 3 )
gTouch.SetFlags( args[1], Q_atoi(args[2]) );
else
Msg( "Usage: touch_setflags <name> <flags>\n" );
}
CON_COMMAND( touch_show, "show button" )
{
}
CON_COMMAND( touch_hide, "hide button" )
{
}
CON_COMMAND( touch_list, "list buttons" )
{
}
CON_COMMAND( touch_removeall, "remove all buttons" )
{
}
CON_COMMAND( touch_loaddefaults, "generate config from defaults" )
{
}
CON_COMMAND( touch_roundall, "round all buttons coordinates to grid" )
{
}
CON_COMMAND( touch_exportconfig, "export config keeping aspect ratio" )
{
}
CON_COMMAND( touch_reloadconfig, "load config, not saving changes" )
{
}
CON_COMMAND( touch_writeconfig, "save current config" )
{
}
CON_COMMAND( touch_fade, "start fade animation for selected buttons" )
{
}
CON_COMMAND( touch_toggleselection, "toggle visibility on selected button in editor" )
{
}
void CTouchControls::Init()
{
m_bHaveAssets = true;
if( getAssets() == 0 )
{
m_bHaveAssets = false;
base_textureID = vgui::surface()->CreateNewTextureID(true);
vgui::surface()->DrawSetTextureRGBA( base_textureID, base_img_rgba, 120, 96, 0, true );
}
engine->GetScreenSize( screen_w, screen_h );
initialized = true;
btns.EnsureCapacity( 64 );
look_finger = move_finger = resize_finger = -1;
forward = side = 0;
scolor = rgba_t( -1, -1, -1, -1 );
state = state_none;
swidth = 1;
move_button = edit = selection = NULL;
showbuttons = true;
clientonly = false;
precision = false;
mouse_events = 0;
move_start_x = move_start_y = 0.0f;
showtexture = hidetexture = resettexture = closetexture = joytexture = 0;
configchanged = false;
rgba_t color(255, 255, 255, 255);
AddButton( "_look", "", "", 0.5, 0, 1, 1, color, 0, 0, 0 );
AddButton( "_move", "", "", 0, 0, 0.5, 1, color, 0, 0, 0 );
AddButton( "use", "vgui/touch/use", "+use", 0.880000, 0.213333, 1.000000, 0.426667, color );
AddButton( "jump", "vgui/touch/jump", "+jump", 0.880000, 0.462222, 1.000000, 0.675556, color );
AddButton( "attack", "vgui/touch/shoot", "+attack", 0.760000, 0.583333, 0.880000, 0.796667, color );
AddButton( "attack2", "vgui/touch/shoot_alt", "+attack2", 0.760000, 0.320000, 0.880000, 0.533333, color );
AddButton( "duck", "vgui/touch/crouch", "+duck", 0.880000, 0.746667, 1.000000, 0.960000, color );
AddButton( "tduck", "vgui/touch/tduck", ";+duck", 0.560000, 0.817778, 0.620000, 0.924444, color );
AddButton( "zoom", "vgui/touch/zoom", "+scoreboard", 0.680000, 0.00000, 0.760000, 0.142222, color );
AddButton( "speed", "vgui/touch/speed", "+speed", 0.180000, 0.568889, 0.280000, 0.746667, color );
AddButton( "loadquick", "vgui/touch/load", "load quick", 0.760000, 0.000000, 0.840000, 0.142222, color );
AddButton( "savequick", "vgui/touch/save", "save quick", 0.840000, 0.000000, 0.920000, 0.142222, color );
AddButton( "reload", "vgui/touch/reload", "+reload", 0.000000, 0.320000, 0.120000, 0.533333, color );
AddButton( "flashlight", "vgui/touch/flash_light_filled", "impulse 100", 0.920000, 0.000000, 1.000000, 0.142222, color );
AddButton( "invnext", "vgui/touch/next_weap", "invnext", 0.000000, 0.533333, 0.120000, 0.746667, color );
AddButton( "invprev", "vgui/touch/prev_weap", "invprev", 0.000000, 0.071111, 0.120000, 0.284444, color );
//AddButton( "edit", "vgui/touch/settings", "touch_enableedit", 0.420000, 0.000000, 0.500000, 0.151486, color );
AddButton( "menu", "vgui/touch/menu", "gameui_activate", 0.000000, 0.00000, 0.080000, 0.142222, color );
}
void CTouchControls::Shutdown( )
{
btns.PurgeAndDeleteElements();
}
void CTouchControls::IN_CheckCoords( float *x1, float *y1, float *x2, float *y2 )
{
/// TODO: grid check here
if( *x2 - *x1 < GRID_X * 2 )
*x2 = *x1 + GRID_X * 2;
if( *y2 - *y1 < GRID_Y * 2)
*y2 = *y1 + GRID_Y * 2;
if( *x1 < 0 )
*x2 -= *x1, *x1 = 0;
if( *y1 < 0 )
*y2 -= *y1, *y1 = 0;
if( *y2 > 1 )
*y1 -= *y2 - 1, *y2 = 1;
if( *x2 > 1 )
*x1 -= *x2 - 1, *x2 = 1;
if ( touch_grid_enable.GetBool() )
{
*x1 = GRID_ROUND_X( *x1 );
*x2 = GRID_ROUND_X( *x2 );
*y1 = GRID_ROUND_Y( *y1 );
*y2 = GRID_ROUND_Y( *y2 );
}
}
void CTouchControls::Move( float /*frametime*/, CUserCmd *cmd )
{
cmd->sidemove -= cl_sidespeed.GetFloat() * side;
cmd->forwardmove += cl_forwardspeed.GetFloat() * forward;
}
void CTouchControls::IN_Look()
{
if( !pitch && !yaw )
return;
QAngle ang;
engine->GetViewAngles( ang );
ang.x += pitch;
ang.y += yaw;
engine->SetViewAngles( ang );
pitch = yaw = 0;
}
void CTouchControls::Frame()
{
if (!initialized)
return;
IN_Look();
if( !m_bHaveAssets )
{
vgui::surface()->DrawSetColor(255,255,255,255);
vgui::surface()->DrawSetTexture(base_textureID);
const int off = 50;
vgui::surface()->DrawTexturedRect( off, off, screen_w*0.3+off, 0.24f*screen_w+off );
}
if( touch_enable.GetBool() && !enginevgui->IsGameUIVisible() ) Paint();
}
void CTouchControls::Paint( )
{
if (!initialized)
return;
CUtlLinkedList<CTouchButton*>::iterator it;
for( it = btns.begin(); it != btns.end(); it++ )
{
CTouchButton *btn = *it;
if( btn->type == touch_move || btn->type == touch_look )
continue;
vgui::surface()->DrawSetColor(255, 255, 255, 155);
vgui::surface()->DrawSetTexture( btn->textureID );
vgui::surface()->DrawTexturedRect( btn->x1*screen_w, btn->y1*screen_h, btn->x2*screen_w, btn->y2*screen_h );
}
}
void CTouchControls::AddButton( const char *name, const char *texturefile, const char *command, float x1, float y1, float x2, float y2, rgba_t color, int round, float aspect, int flags )
{
CTouchButton *btn = new CTouchButton;
ETouchButtonType type = touch_command;
Q_strncpy( btn->name, name, sizeof(btn->name) );
Q_strncpy( btn->texturefile, texturefile, sizeof(btn->texturefile) );
Q_strncpy( btn->command, command, sizeof(btn->command) );
IN_CheckCoords(&x1, &y1, &x2, &y2);
if( round == round_aspect )
y2 = y1 + ( x2 - x1 ) * (((float)screen_w)/screen_h);
btn->x1 = x1;
btn->y1 = y1;
btn->x2 = x2;
btn->y2 = y2;
IN_CheckCoords(&btn->x1, &btn->y1, &btn->x2, &btn->y2);
if( Q_strcmp(name, "_look") == 0 )
type = touch_look;
else if( Q_strcmp(name, "_move") == 0 )
type = touch_move;
btn->color = color;
btn->type = type;
btn->finger = -1;
btn->textureID = vgui::surface()->CreateNewTextureID();
vgui::surface()->DrawSetTextureFile( btn->textureID, btn->texturefile, true, false);
btns.AddToTail(btn);
}
void CTouchControls::ShowButton( const char *name )
{
}
void CTouchControls::HideButton(const char *name)
{
}
void CTouchControls::SetTexture(const char *name, const char *file)
{
CTouchButton *btn = FindButton(name);
if( btn )
{
Q_strncpy( btn->texturefile, file, sizeof(btn->texturefile) );
btn->textureID = vgui::surface()->CreateNewTextureID();
vgui::surface()->DrawSetTextureFile( btn->textureID, file, true, false);
}
}
void CTouchControls::SetColor(const char *name, rgba_t color)
{
CTouchButton *btn = FindButton(name);
if( btn ) btn->color = color;
}
void CTouchControls::SetCommand(const char *name, const char *cmd)
{
CTouchButton *btn = FindButton(name);
if( btn ) Q_strncpy(btn->command, cmd, sizeof btn->command);
}
void CTouchControls::SetFlags(const char *name, int flags)
{
CTouchButton *btn = FindButton(name);
if( btn ) btn->flags = flags;
}
void CTouchControls::RemoveButton( const char *name )
{
for( int i = 0; i < btns.Count(); i++ )
{
if( Q_strncmp( btns[i]->name, name, sizeof(btns[i]->name)) == 0 )
btns.Free(i);
}
}
CTouchButton *CTouchControls::FindButton( const char *name )
{
CUtlLinkedList<CTouchButton*>::iterator it;
for( it = btns.begin(); it != btns.end(); it++ )
{
CTouchButton *button = *it;
if( Q_strncmp( button->name, name, sizeof(button->name)) == 0 )
return button;
}
}
void CTouchControls::ProcessEvent(touch_event_t *ev)
{
if( !touch_enable.GetBool() )
return;
if( ev->type == IE_FingerMotion )
FingerMotion( ev );
else
FingerPress( ev );
}
void CTouchControls::FingerMotion(touch_event_t *ev)
{
float x = ev->x / (float)screen_w;
float y = ev->y / (float)screen_h;
float f, s;
CUtlLinkedList<CTouchButton*>::iterator it;
for( it = btns.begin(); it != btns.end(); it++ )
{
CTouchButton *btn = *it;
if( btn->finger == ev->fingerid )
{
if( btn->type == touch_move )
{
f = ( move_start_y - y ) / touch_forwardzone.GetFloat();
s = ( move_start_x - x ) / touch_sidezone.GetFloat();
forward = bound( -1, f, 1 );
side = bound( -1, s, 1 );
}
else if( btn->type == touch_look )
{
yaw += touch_yaw.GetFloat() * ( dx - x ) * sensitivity.GetFloat();
pitch -= touch_pitch.GetFloat() * ( dy - y ) * sensitivity.GetFloat();
dx = x;
dy = y;
}
}
}
}
void CTouchControls::FingerPress(touch_event_t *ev)
{
float x = ev->x / (float)screen_w;
float y = ev->y / (float)screen_h;
CUtlLinkedList<CTouchButton*>::iterator it;
if( ev->type == IE_FingerDown )
{
for( it = btns.begin(); it != btns.end(); it++ )
{
CTouchButton *btn = *it;
if( x > btn->x1 && x < btn->x2 && y > btn->y1 && y < btn->y2 )
{
btn->finger = ev->fingerid;
if( btn->type == touch_move )
{
if( move_finger == -1 )
{
move_start_x = x;
move_start_y = y;
move_finger = ev->fingerid;
}
else
btn->finger = move_finger;
}
else if( btn->type == touch_look )
{
if( look_finger == -1 )
{
dx = x;
dy = y;
look_finger = ev->fingerid;
}
else
btn->finger = look_finger;
}
else
engine->ClientCmd_Unrestricted( btn->command );
}
}
}
else if( ev->type == IE_FingerUp )
{
for( it = btns.begin(); it != btns.end(); it++ )
{
CTouchButton *btn = *it;
if( btn->finger == ev->fingerid )
{
btn->finger = -1;
if( btn->type == touch_move )
{
forward = side = 0;
move_finger = -1;
}
else if( btn->type == touch_look )
look_finger = -1;
else if( btn->command[0] == '+' )
{
char cmd[256];
snprintf( cmd, sizeof cmd, "%s", btn->command );
cmd[0] = '-';
engine->ClientCmd_Unrestricted( cmd );
}
}
}
}
}
void CTouchControls::EnableTouchEdit()
{
state = state_edit;
resize_finger = move_finger = look_finger = wheel_finger = -1;
move_button = NULL;
configchanged = true;
}