src/ui/uInputQueue.cpp File Reference

#include "uInputQueue.h"
#include "rScreen.h"
#include "tConfiguration.h"
#include <iostream>
#include "rSDL.h"
#include "tRecorder.h"
#include "uMenu.h"

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Classes
class	EventArchiver< Archiver >
	Read or write event data. More...
Defines
#define	MAX_PENDING_INPUT   100
Functions
static REAL	Time ()
static void	increase (int &i)
void	su_FetchAndStoreSDLInput ()
bool	su_StoreSDLEvent (const SDL_Event &tEvent)
	stores an event so it will be returned by GetSDLInput() later
	tRECORDING_ENUM (SDLKey)
	tRECORDING_ENUM (SDLMod)
void	su_EndGetSDLInput ()
bool	su_GetSDLInput (SDL_Event &tEvent, REAL &time)
	fetches an event
Variables
static su_TimerCallback *	timer = NULL
bool	su_prefetchInput = false
bool	su_contInput = true
static REAL	times [MAX_PENDING_INPUT]
static SDL_Event	tEvents [MAX_PENDING_INPUT]
static int	currentIn = 0
static int	current_out = 0
static int	next_in = 1
static bool	input_get = false
static char const *	recordingSection = "INPUT"
static const char *	su_end = "END"
static const char *	su_endInput = "ENDINPUT"
static bool	su_markerRequired = false

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Define Documentation

#define MAX_PENDING_INPUT   100

Definition at line 62 of file uInputQueue.cpp.

Referenced by increase().

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Function Documentation

static void increase

(

int &

i

)

[inline, static]

Definition at line 70 of file uInputQueue.cpp.

References MAX_PENDING_INPUT.

Referenced by next_free_server(), su_GetSDLInput(), and su_StoreSDLEvent().

                                   {
    i++;
    if (i>=MAX_PENDING_INPUT)
        i=0;
}

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void su_EndGetSDLInput

(

)

Definition at line 221 of file uInputQueue.cpp.

References tRecorder::Playback(), tRecorder::Record(), su_endInput, and su_markerRequired.

Referenced by uInputProcessGuard::~uInputProcessGuard().

{
    if ( su_markerRequired )
    {
        // record end of input fetching
        tRecorder::Playback(su_endInput);
        tRecorder::Record(su_endInput);
        su_markerRequired = false;
    }
}

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void su_FetchAndStoreSDLInput

(

)

Definition at line 79 of file uInputQueue.cpp.

References tRecorderBase::IsRunning().

Referenced by eGrid::display_simple(), eGameObject::RenderAll(), eCamera::s_Timestep(), and eGameObject::TimestepThisWrapper().

{
#ifndef DEDICATED
#ifndef WIN32
#ifndef MACOSX
    if (!tRecorder::IsRunning() )
        SDL_PumpEvents();
#endif
#endif
#endif
}

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bool su_GetSDLInput	(	SDL_Event &	tEvent,
		REAL &	time
	)

fetches an event

Definition at line 256 of file uInputQueue.cpp.

References EventArchiver< Archiver >::Archive(), current_out, currentIn, increase(), input_get, tRecorder::Playback(), uMenu::quickexit, tRecorder::Record(), sr_LockSDL(), sr_UnlockSDL(), su_end, su_markerRequired, tEvents, Time, and times.

Referenced by gGame::GameLoop(), uMenu::IdleInput(), uMenu::Message(), uMenu::OnEnter(), su_GetSDLInput(), and welcome().

                                                 {
    bool ret=false;

    // clear out data
    memset( &tEvent, 0, sizeof( SDL_Event ) );

    // find end of recording in playback
    if ( tRecorder::Playback(su_end) )
    {
        tRecorder::Record(su_end);
        uMenu::quickexit=true;
    }

    // try to fetch event from playback
    if ( !EventArchiver< tPlaybackBlock >::Archive( tEvent, time, ret ) )
    {
        // get real event
        sr_LockSDL();
        input_get=true;
        if (current_out!=currentIn){
            time=times[current_out];
            tEvent=tEvents[current_out];
            increase(current_out);
            ret=true;
        }
        else{
            time=Time();
            ret=
#ifndef DEDICATED
                SDL_PollEvent(&tEvent);
#else
                false;
#endif
        }
        sr_UnlockSDL();
        input_get=false;
    }

    su_markerRequired |= ret;

    // store event in recording
    if ( ret )
        EventArchiver< tRecordingBlock >::Archive( tEvent, time, ret );

    return ret;

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bool su_StoreSDLEvent

(

const SDL_Event &

tEvent

)

stores an event so it will be returned by GetSDLInput() later

Definition at line 92 of file uInputQueue.cpp.

References current_out, currentIn, increase(), input_get, next_in, tEvents, Time, and times.

Referenced by filter().

                                              {
    if (next_in!=current_out && !input_get){
        //con << "Extra input!\n";
        tEvents[currentIn]=tEvent;
        times[currentIn]=Time();
        increase(currentIn);
        next_in=currentIn;
        increase(next_in);
        return false;
    }
    return true;
}

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static REAL Time

(

)

[inline, static]

Definition at line 52 of file uInputQueue.cpp.

References su_TimerCallback::GetTime().

                         {
    if (timer)
        return timer->GetTime();
    else
        return 0;
}

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tRECORDING_ENUM

(

SDLMod

)

tRECORDING_ENUM

(

SDLKey

)

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Variable Documentation

int current_out = 0 [static]

Definition at line 67 of file uInputQueue.cpp.

Referenced by su_GetSDLInput(), and su_StoreSDLEvent().

int currentIn = 0 [static]

Definition at line 67 of file uInputQueue.cpp.

bool input_get = false [static]

Definition at line 77 of file uInputQueue.cpp.

Referenced by su_GetSDLInput(), and su_StoreSDLEvent().

int next_in = 1 [static]

Definition at line 67 of file uInputQueue.cpp.

Referenced by su_StoreSDLEvent().

char const* recordingSection = "INPUT" [static]

Definition at line 111 of file uInputQueue.cpp.

bool su_contInput = true

Definition at line 60 of file uInputQueue.cpp.

Referenced by cleanup().

const char* su_end = "END" [static]

Definition at line 215 of file uInputQueue.cpp.

Referenced by su_GetSDLInput().

const char* su_endInput = "ENDINPUT" [static]

Definition at line 216 of file uInputQueue.cpp.

Referenced by su_EndGetSDLInput().

bool su_markerRequired = false [static]

Definition at line 219 of file uInputQueue.cpp.

Referenced by su_EndGetSDLInput(), and su_GetSDLInput().

bool su_prefetchInput = false

Definition at line 59 of file uInputQueue.cpp.

Referenced by exit_game_objects(), filter(), and init_game_objects().

SDL_Event tEvents[MAX_PENDING_INPUT] [static]

Definition at line 65 of file uInputQueue.cpp.

Referenced by su_GetSDLInput(), and su_StoreSDLEvent().

su_TimerCallback* timer = NULL [static]

Definition at line 41 of file uInputQueue.cpp.

REAL times[MAX_PENDING_INPUT] [static]

Definition at line 64 of file uInputQueue.cpp.

Referenced by su_GetSDLInput(), and su_StoreSDLEvent().

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