mirror of
https://github.com/ioquake/jedi-academy.git
synced 2024-11-26 14:11:20 +00:00
383 lines
No EOL
10 KiB
C++
383 lines
No EOL
10 KiB
C++
#include "common_headers.h"
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#ifdef _IMMERSION
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#define INITGUID // this will need removing if already defined in someone else's module. Only one must exist in whole game
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//#include "ff.h"
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//#include "ff_ffset.h"
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//#include "ff_compound.h"
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//#include "ff_system.h"
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FFSystem gFFSystem;
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cvar_t *use_ff;
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cvar_t *ensureShake;
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cvar_t *ff_developer;
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#ifdef FF_DELAY
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cvar_t *ff_delay;
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#endif
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cvar_t *ff_channels;
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static const char *_pass = "SUCCEEDED";
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static const char *_fail = "FAILED";
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const char *gChannelName[ FF_CHANNEL_MAX ] =
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{ "FF_CHANNEL_WEAPON"
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, "FF_CHANNEL_MENU"
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, "FF_CHANNEL_TOUCH"
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, "FF_CHANNEL_DAMAGE"
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, "FF_CHANNEL_BODY"
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, "FF_CHANNEL_FORCE"
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, "FF_CHANNEL_FOOT"
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};
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// Enable/Disable Com_Printf in FF_* functions
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#if( 1 )
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#ifdef FF_PRINT
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#define FF_PROLOGUE( name, string ) qboolean result = qfalse; if ( FF_IsAvailable() ) { if ( ff_developer && ff_developer->integer ) Com_Printf( "%s: \"%s\" ", #name, string );
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#define FF_PROLOGUE_NOQUOTE( name, string ) qboolean result = qfalse; if ( FF_IsAvailable() ) { if ( ff_developer && ff_developer->integer ) Com_Printf( "%s: %s ", #name, string );
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#define FF_EPILOGUE FF_EPILOGUE_NORETURN; return result;
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#define FF_EPILOGUE_NORETURN } if ( ff_developer && ff_developer->integer ) Com_Printf( "[%s]\n", ( result ? _pass : _fail ) );
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#define FF_RESULT( function ) result = qboolean( function );
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#else
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#define FF_PROLOGUE( name, string ) qboolean result = qfalse; if ( FF_IsAvailable() ) {
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#define FF_PROLOGUE_NOQUOTE( name, string ) qboolean result = qfalse; if ( FF_IsAvailable() ) {
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#define FF_EPILOGUE FF_EPILOGUE_NORETURN; return result;
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#define FF_EPILOGUE_NORETURN }
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#define FF_RESULT( function ) result = qboolean( function );
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#endif
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#else
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#define FF_PROLOGUE( name, string ) qboolean result = qfalse;
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#define FF_PROLOGUE_NOQUOTE( name, string ) qboolean result = qfalse;
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#define FF_EPILOGUE return result;
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#define FF_EPILOGUE_NORETURN
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#define FF_RESULT( function ) result = qboolean( function );
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#endif
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////--------------
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/// FF_IsAvailable
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//------------------
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// Test to see if force feedback is currently operating. This is almost useless.
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// The only good it does currently is temporarily toggle effects on/off for users
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// amusement... feedback on, feedback off, feedback on, feedback off. Results are
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// instantaneous. FF_* calls basically skip themselves harmlessly.
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//
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// Assumptions:
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// * External system unloads this module if no device is present.
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// * External system unloads this module if feedback is disabled when system (re)starts
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//
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// Parameters:
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// None
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//
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// Returns:
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// - true: feedback currently enabled
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// - false: feedback currently disabled
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//
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qboolean FF_IsAvailable(void)
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{
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return (use_ff && use_ff->integer && gFFSystem.IsInitialized()) ? qtrue : qfalse;
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}
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qboolean FF_IsInitialized(void)
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{
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return gFFSystem.IsInitialized();
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}
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////-------
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/// FF_Init
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//-----------
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// Initializes the force feedback system.
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//
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// This function may be called multiple times to apply changes in cvars.
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//
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// Assumptions:
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// * If FF_Init returns qfalse, caller calls FF_Shutdown
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//
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// Parameters:
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// None
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//
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// Returns:
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// - qtrue: module initialized properly.
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// - qfalse: module experienced an error. Caller MUST call FF_Shutdown.
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//
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qboolean FF_Init( void )
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{
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if ( !gFFSystem.IsInitialized() )
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{
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//
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// Console variable setup
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//
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#ifdef FF_CONSOLECOMMAND
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Cmd_AddCommand( "ff_stopall", CMD_FF_StopAll );
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Cmd_AddCommand( "ff_info", CMD_FF_Info );
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#endif
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use_ff = Cvar_Get( "use_ff", "1", CVAR_ARCHIVE /*| CVAR_LATCH*/);
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ensureShake = Cvar_Get( "ff_ensureShake", "1", CVAR_TEMP);
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ff_developer = Cvar_Get( "ff_developer", "0", CVAR_TEMP);
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ff_channels = Cvar_Get( "ff_channels", FF_CHANNEL, CVAR_ARCHIVE);
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#ifdef FF_DELAY
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ff_delay = Cvar_Get( "ff_delay", FF_DELAY, CVAR_ARCHIVE);
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#endif
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}
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return qboolean // assumes external system will call FF_Shutdown in case of failure
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( ff_channels != NULL
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&& gFFSystem.Init( ff_channels->string )
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);
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}
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////-----------
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/// FF_Shutdown
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//---------------
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// Shut force feedback system down and free resources.
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//
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// Assumptions:
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// * Always called if FF_Init returns qfalse. ALWAYS. (Or memory leaks occur)
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// * Never called twice in succession. (always in response to previous assumption)
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//
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// Parameters:
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// None
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//
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// Returns:
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// None
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//
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void FF_Shutdown(void)
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{
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#ifdef FF_CONSOLECOMMAND
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Cmd_RemoveCommand( "ff_stopall" );
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Cmd_RemoveCommand( "ff_info" );
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#endif
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gFFSystem.Shutdown();
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}
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////-----------
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/// FF_Register
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//---------------
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// Loads a named effect from an .ifr file through the game's file system. The handle
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// returned is not tied to any particular device. The feedback system may even change
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// which device receives the effect without the need to restart the external system.
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// The is ONE EXCEPTION. If this module is not loaded when the registration phase
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// passes, the external system will need to be restarted to register effects properly.
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//
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// Parameters:
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// * name: effect name from .ifr (case-sensitive)
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// * channel: channel to output effect. A channel may play on 0+ devices.
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// * notfound: return a valid handle even if effect is not found
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// - Allows temporary disabling of a channel in-game without losing effects
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// - Only use with trusted effect names, not user input. See CMD_FF_Play.
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//
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// Returns:
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// Handle to loaded effect
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//
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ffHandle_t FF_Register( const char *name, int channel, qboolean notfound )
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{
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ffHandle_t ff = FF_HANDLE_NULL;
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// Removed console print... too much spam with AddLoopingForce.
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/*
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FF_PROLOGUE( FF_Register, ( name ? name : "" ) );
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ff = gFFSystem.Register( name, channel, notfound );
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FF_RESULT( ff != FF_HANDLE_NULL );
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FF_EPILOGUE_NORETURN;
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*/
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if ( FF_IsAvailable() )
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ff = gFFSystem.Register( name, channel, notfound );
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return ff;
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}
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////----------------
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/// FF_EnsurePlaying
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//--------------------
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// Starts an effect if the effect is not currently playing.
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// Does not restart currently playing effects.
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//
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// Parameters:
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// * ff: handle of an effect
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//
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// Returns:
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// - qtrue: effect started
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// - qfalse: effect was not started
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//
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qboolean FF_EnsurePlaying(ffHandle_t ff)
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{
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FF_PROLOGUE( FF_EnsurePlaying, gFFSystem.GetName( ff ) );
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FF_RESULT( gFFSystem.EnsurePlaying( ff ) );
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FF_EPILOGUE;
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}
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////-------
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/// FF_Play
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//-----------
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// Start an effect on its registered channel.
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//
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// Parameters
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// * ff: handle to an effect
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//
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// Returns:
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// - qtrue: effect started
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// - qfalse: effect was not started
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//
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qboolean FF_Play(ffHandle_t ff)
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{
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FF_PROLOGUE( FF_Play, gFFSystem.GetName( ff ) );
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FF_RESULT( gFFSystem.Play( ff ) );
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FF_EPILOGUE;
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}
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////----------
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/// FF_StopAll
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//--------------
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// Stop all currently playing effects.
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//
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// Parameters:
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// None
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//
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// Returns:
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// - qtrue: no errors occurred
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// - qfalse: an error occurred
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//
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qboolean FF_StopAll(void)
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{
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FF_PROLOGUE( FF_StopAll, "" );
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FF_RESULT( gFFSystem.StopAll() );
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FF_EPILOGUE;
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}
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////-------
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/// FF_Stop
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//-----------
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// Stop an effect. Only returns qfalse if there's an error
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//
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// Parameters:
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// * ff: handle to a playing effect
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//
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// Returns:
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// - qtrue: no errors occurred
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// - qfalse: an error occurred
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//
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qboolean FF_Stop(ffHandle_t ff)
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{
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FF_PROLOGUE( FF_Stop, gFFSystem.GetName( ff ) );
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FF_RESULT( gFFSystem.Stop( ff ) );
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FF_EPILOGUE;
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}
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////--------
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/// FF_Shake
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//------------
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// Shake the mouse (play the special "shake" effect) at a given strength
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// for a given duration. The shake effect can be a compound containing
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// multiple component effects, but each component effect's magnitude and
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// duration will be set to the parameters passed in this function.
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//
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// Parameters:
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// * intensity [0..10000] - Magnitude of effect
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// * duration [0..MAXINT] - Length of shake in milliseconds
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//
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// Returns:
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// - qtrue: shake started
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// - qfalse: shake did not start
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//
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qboolean FF_Shake(int intensity, int duration)
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{
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char message[64];
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message[0] = 0;
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sprintf( message, "intensity=%d, duration=%d", intensity, duration );
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FF_PROLOGUE_NOQUOTE( FF_Shake, message );
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FF_RESULT( gFFSystem.Shake( intensity, duration, qboolean( ensureShake->integer != qfalse ) ) );
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FF_EPILOGUE;
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}
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#ifdef FF_CONSOLECOMMAND
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////--------------
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/// CMD_FF_StopAll
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//------------------
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// Console function which stops all currently playing effects
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//
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// Parameters:
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// None
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//
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// Returns:
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// None
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//
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void CMD_FF_StopAll(void)
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{
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// Display messages
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if ( FF_StopAll() )
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{
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Com_Printf( "stopping all effects\n" );
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}
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else
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{
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Com_Printf( "failed to stop all effects\n" );
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}
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}
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////-----------
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/// CMD_FF_Info
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//---------------
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// Console function which displays various ff-system information.
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//
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// Parameters:
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// * 'devices' display list of ff devices currently connected
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// * 'channels' display list of support ff channels
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// * 'order' display search order used by ff name-resolution system (ff_ffset.cpp)
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// * 'files' display currently loaded .ifr files sorted by device
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// * 'effects' display currently registered effects sorted by device
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//
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// Returns:
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// None
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//
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void CMD_FF_Info(void)
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{
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TNameTable Unprocessed, Processed;
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int i, max;
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for
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( i = 1, max = Cmd_Argc()
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; i < max
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; i++
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){
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Unprocessed.push_back( Cmd_Argv( i ) );
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}
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if ( Unprocessed.size() == 0 )
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{
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if ( ff_developer->integer )
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Com_Printf( "Usage: ff_info [devices] [channels] [order] [files] [effects]\n" );
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else
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Com_Printf( "Usage: ff_info [devices] [channels]\n" );
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return;
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}
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gFFSystem.Display( Unprocessed, Processed );
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if ( Unprocessed.size() > 0 )
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{
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Com_Printf( "invalid parameters:" );
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for
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( i = 0
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; i < Unprocessed.size()
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; i++
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){
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Com_Printf( " %s", Unprocessed[ i ].c_str() );
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}
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if ( ff_developer->integer )
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Com_Printf( "Usage: ff_info [devices] [channels] [order] [files] [effects]\n" );
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else
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Com_Printf( "Usage: ff_info [devices] [channels]\n" );
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}
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}
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#endif // FF_CONSOLECOMMAND
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#endif // _IMMERSION
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