Xash3D FWGS engine.
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/*
vid_sdl.c - SDL input component
Copyright (C) 2018 a1batross
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
*/
#if !XASH_DEDICATED
#include <SDL.h>
#include "common.h"
#include "keydefs.h"
#include "input.h"
#include "client.h"
#include "vgui_draw.h"
#include "events.h"
#include "sound.h"
#include "vid_common.h"
SDL_Joystick *g_joy = NULL;
#if !SDL_VERSION_ATLEAST( 2, 0, 0 )
#define SDL_WarpMouseInWindow( win, x, y ) SDL_WarpMouse( ( x ), ( y ) )
#else
static struct
{
qboolean initialized;
SDL_Cursor *cursors[dc_last];
} cursors;
#endif
/*
=============
Platform_GetMousePos
=============
*/
void GAME_EXPORT Platform_GetMousePos( int *x, int *y )
{
float factorX;
float factorY;
{
int w1, w2, h1, h2;
SDL_GL_GetDrawableSize( host.hWnd, &w1, &h1 );
SDL_GetWindowSize( host.hWnd, &w2, &h2 );
factorX = (float)w1 / w2;
factorY = (float)h1 / h2;
}
SDL_GetMouseState( x, y );
*x = *x * factorX;
*y = *y * factorY;
}
/*
=============
Platform_SetMousePos
============
*/
void GAME_EXPORT Platform_SetMousePos( int x, int y )
{
SDL_WarpMouseInWindow( host.hWnd, x, y );
}
/*
========================
Platform_MouseMove
========================
*/
void Platform_MouseMove( float *x, float *y )
{
int m_x, m_y;
SDL_GetRelativeMouseState( &m_x, &m_y );
*x = (float)m_x;
*y = (float)m_y;
}
/*
=============
Platform_GetClipobardText
=============
*/
int Platform_GetClipboardText( char *buffer, size_t size )
{
#if SDL_VERSION_ATLEAST( 2, 0, 0 )
int textLength;
char *sdlbuffer = SDL_GetClipboardText();
if( !sdlbuffer )
return 0;
if (buffer && size > 0)
{
textLength = Q_strncpy( buffer, sdlbuffer, size );
}
else {
textLength = Q_strlen( sdlbuffer );
}
SDL_free( sdlbuffer );
return textLength;
#else // SDL_VERSION_ATLEAST( 2, 0, 0 )
buffer[0] = 0;
#endif // SDL_VERSION_ATLEAST( 2, 0, 0 )
return 0;
}
/*
=============
Platform_SetClipobardText
=============
*/
void Platform_SetClipboardText( const char *buffer )
{
#if SDL_VERSION_ATLEAST( 2, 0, 0 )
SDL_SetClipboardText( buffer );
#endif // SDL_VERSION_ATLEAST( 2, 0, 0 )
}
/*
=============
Platform_Vibrate
=============
*/
void Platform_Vibrate( float time, char flags )
{
#if SDL_VERSION_ATLEAST( 2, 0, 9 )
if( g_joy )
SDL_JoystickRumble( g_joy, 0xFFFF, 0xFFFF, time * 1000.0f );
#endif // SDL_VERSION_ATLEAST( 2, 0, 9 )
}
#if !XASH_PSVITA
/*
=============
SDLash_EnableTextInput
=============
*/
void Platform_EnableTextInput( qboolean enable )
{
#if SDL_VERSION_ATLEAST( 2, 0, 0 )
enable ? SDL_StartTextInput() : SDL_StopTextInput();
#endif // SDL_VERSION_ATLEAST( 2, 0, 0 )
}
#endif // !XASH_PSVITA
/*
=============
SDLash_JoyInit_Old
=============
*/
static int SDLash_JoyInit_Old( int numjoy )
{
int num;
int i;
Con_Reportf( "Joystick: SDL\n" );
if( SDL_WasInit( SDL_INIT_JOYSTICK ) != SDL_INIT_JOYSTICK &&
SDL_InitSubSystem( SDL_INIT_JOYSTICK ) )
{
Con_Reportf( "Failed to initialize SDL Joysitck: %s\n", SDL_GetError() );
return 0;
}
if( g_joy )
{
SDL_JoystickClose( g_joy );
}
num = SDL_NumJoysticks();
if( num > 0 )
Con_Reportf( "%i joysticks found:\n", num );
else
{
Con_Reportf( "No joystick found.\n" );
return 0;
}
#if SDL_VERSION_ATLEAST( 2, 0, 0 )
for( i = 0; i < num; i++ )
Con_Reportf( "%i\t: %s\n", i, SDL_JoystickNameForIndex( i ) );
#endif // SDL_VERSION_ATLEAST( 2, 0, 0 )
Con_Reportf( "Pass +set joy_index N to command line, where N is number, to select active joystick\n" );
g_joy = SDL_JoystickOpen( numjoy );
if( !g_joy )
{
Con_Reportf( "Failed to select joystick: %s\n", SDL_GetError( ) );
return 0;
}
#if SDL_VERSION_ATLEAST( 2, 0, 0 )
Con_Reportf( "Selected joystick: %s\n"
"\tAxes: %i\n"
"\tHats: %i\n"
"\tButtons: %i\n"
"\tBalls: %i\n",
SDL_JoystickName( g_joy ), SDL_JoystickNumAxes( g_joy ), SDL_JoystickNumHats( g_joy ),
SDL_JoystickNumButtons( g_joy ), SDL_JoystickNumBalls( g_joy ) );
SDL_GameControllerEventState( SDL_DISABLE );
#endif // SDL_VERSION_ATLEAST( 2, 0, 0 )
SDL_JoystickEventState( SDL_ENABLE );
return num;
}
#if SDL_VERSION_ATLEAST( 2, 0, 0 )
/*
=============
SDLash_JoyInit_New
=============
*/
static int SDLash_JoyInit_New( int numjoy )
{
int count, numJoysticks, i;
Con_Reportf( "Joystick: SDL GameController API\n" );
if( SDL_WasInit( SDL_INIT_GAMECONTROLLER ) != SDL_INIT_GAMECONTROLLER &&
SDL_InitSubSystem( SDL_INIT_GAMECONTROLLER ) )
{
Con_Reportf( "Failed to initialize SDL GameController API: %s\n", SDL_GetError() );
return 0;
}
SDL_GameControllerAddMappingsFromFile( "controllermappings.txt" );
count = 0;
numJoysticks = SDL_NumJoysticks();
for ( i = 0; i < numJoysticks; i++ )
if( SDL_IsGameController( i ) )
++count;
return count;
}
#endif // SDL_VERSION_ATLEAST( 2, 0, 0 )
/*
=============
Platform_JoyInit
=============
*/
int Platform_JoyInit( int numjoy )
{
#if SDL_VERSION_ATLEAST( 2, 0, 0 )
// SDL_Joystick is now an old API
// SDL_GameController is preferred
if( !Sys_CheckParm( "-sdl_joy_old_api" ) )
return SDLash_JoyInit_New(numjoy);
#endif // SDL_VERSION_ATLEAST( 2, 0, 0 )
return SDLash_JoyInit_Old(numjoy);
}
/*
========================
SDLash_InitCursors
========================
*/
void SDLash_InitCursors( void )
{
#if SDL_VERSION_ATLEAST( 2, 0, 0 )
if( cursors.initialized )
SDLash_FreeCursors();
// load up all default cursors
cursors.cursors[dc_none] = NULL;
cursors.cursors[dc_arrow] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_ARROW);
cursors.cursors[dc_ibeam] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_IBEAM);
cursors.cursors[dc_hourglass] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_WAIT);
cursors.cursors[dc_crosshair] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_CROSSHAIR);
cursors.cursors[dc_up] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_ARROW);
cursors.cursors[dc_sizenwse] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZENWSE);
cursors.cursors[dc_sizenesw] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZENESW);
cursors.cursors[dc_sizewe] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZEWE);
cursors.cursors[dc_sizens] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZENS);
cursors.cursors[dc_sizeall] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZEALL);
cursors.cursors[dc_no] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_NO);
cursors.cursors[dc_hand] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_HAND);
cursors.initialized = true;
#endif
}
/*
========================
SDLash_FreeCursors
========================
*/
void SDLash_FreeCursors( void )
{
#if SDL_VERSION_ATLEAST( 2, 0, 0 )
int i = 0;
for( ; i < ARRAYSIZE( cursors.cursors ); i++ )
{
if( cursors.cursors[i] )
SDL_FreeCursor( cursors.cursors[i] );
cursors.cursors[i] = NULL;
}
cursors.initialized = false;
#endif // SDL_VERSION_ATLEAST( 2, 0, 0 )
}
/*
========================
Platform_SetCursorType
========================
*/
void Platform_SetCursorType( VGUI_DefaultCursor type )
{
qboolean visible;
#if SDL_VERSION_ATLEAST( 2, 0, 0 )
if( !cursors.initialized )
return;
#endif
switch( type )
{
case dc_user:
case dc_none:
visible = false;
break;
default:
visible = true;
break;
}
// never disable cursor in touch emulation mode
if( !visible && touch_emulate.value )
return;
host.mouse_visible = visible;
VGui_UpdateInternalCursorState( type );
#if SDL_VERSION_ATLEAST( 2, 0, 0 )
if( host.mouse_visible )
{
SDL_SetCursor( cursors.cursors[type] );
SDL_ShowCursor( true );
}
else
{
SDL_ShowCursor( false );
}
#else
if( host.mouse_visible )
{
SDL_ShowCursor( true );
}
else
{
SDL_ShowCursor( false );
}
#endif
}
/*
========================
Platform_GetKeyModifiers
========================
*/
key_modifier_t Platform_GetKeyModifiers( void )
{
#if SDL_VERSION_ATLEAST( 2, 0, 0 )
SDL_Keymod modFlags;
key_modifier_t resultFlags;
resultFlags = KeyModifier_None;
modFlags = SDL_GetModState();
if( FBitSet( modFlags, KMOD_LCTRL ))
SetBits( resultFlags, KeyModifier_LeftCtrl );
if( FBitSet( modFlags, KMOD_RCTRL ))
SetBits( resultFlags, KeyModifier_RightCtrl );
if( FBitSet( modFlags, KMOD_RSHIFT ))
SetBits( resultFlags, KeyModifier_RightShift );
if( FBitSet( modFlags, KMOD_LSHIFT ))
SetBits( resultFlags, KeyModifier_LeftShift );
if( FBitSet( modFlags, KMOD_LALT ))
SetBits( resultFlags, KeyModifier_LeftAlt );
if( FBitSet( modFlags, KMOD_RALT ))
SetBits( resultFlags, KeyModifier_RightAlt );
if( FBitSet( modFlags, KMOD_NUM ))
SetBits( resultFlags, KeyModifier_NumLock );
if( FBitSet( modFlags, KMOD_CAPS ))
SetBits( resultFlags, KeyModifier_CapsLock );
if( FBitSet( modFlags, KMOD_RGUI ))
SetBits( resultFlags, KeyModifier_RightSuper );
if( FBitSet( modFlags, KMOD_LGUI ))
SetBits( resultFlags, KeyModifier_LeftSuper );
return resultFlags;
#else
return KeyModifier_None;
#endif
}
#endif // XASH_DEDICATED