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User:Monster Iestyn/Source Code Documentation/i_system.h

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Online link GitHub entry
File type C header file
#include guard __I_SYSTEM__

Includes

  • p_mobj.h (unless NOMUMBLE is defined)
  • s_sound.h (unless NOMUMBLE is defined)

Macros

Macro Defined as Description
MAX_QUIT_FUNCS 16 Maximum number of shutdown functions that can be called by I_ShutdownSystem

Externs

Data name Data type Non-extern location(s) Description
graphics_started UINT8
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_video.c
  • sdl12/i_video.c
  • win32/win_sys.c
  • win32ce/win_sys.c
keyboard_started UINT8
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c

Function prototypes

Function name Return type Params Defined in Attributes Description
I_GetFreeMem UINT32 UINT32 *total
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Gets and returns the amount of physical memory currently free, in bytes. If total is a pointer to a UINT32 variable, the variable will be set to the total amount of physical memory in bytes
I_GetTime tic_t none
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Gets and returns the current time in tics
I_Sleep void none
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Tells the program to sleep for a set period of time. The exact period of time to sleep is controlled by the cpusleep console variable
I_GetEvent void none
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_video.c
  • sdl12/i_video.c
  • win32/win_sys.c
  • win32ce/win_sys.c
I_OsPolling void none
  • android/i_system.c
  • djgppdos/i_video.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_video.c
  • sdl12/i_video.c
  • win32/win_sys.c
  • win32ce/win_sys.c
I_BaseTiccmd ticcmd_t * none
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
I_BaseTiccmd2 ticcmd_t * none
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
I_Quit void none
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 FUNCNORETURN Quits the game
I_Tactile void FFType Type,
const JoyFF_t *Effect
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Forcefeedback for the first joystick
I_Tactile2 void FFType Type,
const JoyFF_t *Effect
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Forcefeedback for the second joystick
I_JoyScale void none
  • android/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
 Sets up the first joystick scale
I_JoyScale2 void none
  • android/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
 Sets up the second joystick scale
I_InitJoystick void none
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Starts up the first joystick
I_InitJoystick2 void none
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Starts up the second joystick
I_NumJoys INT32 none
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 The number of joysticks on the system
I_GetJoyName const char * INT32 joyindex
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Gets and returns the name of the joystick
I_UpdateMumble void const mobj_t *mobj,
const listener_t listener
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
 Defined only if NOMUMBLE is not defined

Updates Mumble with the current positions of the player's mobj and the point that the player can hear sounds from

I_StartupMouse void none
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Starts up the first mouse
I_StartupMouse2 void none
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Starts up the second mouse
I_StartupKeyboard void none
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Starts up the keyboard
I_StartupTimer void none
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Starts up the timer
I_AddExitFunc void void (*func)()
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Adds a function to the list of shutdown functions to be called by I_SystemShutdown
I_RemoveExitFunc void void (*func)()
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Removes a function to the list of shutdown functions to be called by I_SystemShutdown
I_StartupSystem INT32 none
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Starts up the system: Setup signal handler, plus stuff for trapping errors and cleanly exit
I_ShutdownSystem void none
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Shuts down the system, calls the shutdown functions
I_GetDiskFreeSpace void INT64 *freespace
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Gets the total amount of free space in bytes on the disk volume
I_GetUserName char * none
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Gets and returns the name of the user on the system
I_mkdir INT32 const char *dirname,
INT32 unixright
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Creates a directory
I_CPUInfo const CPUInfoFlags * none
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Returns info about CPU
I_LocateWad const char * none
  • android/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
 Finds and returns the path to the main WAD
I_GetJoystickEvents void none
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Gets events for the first joystick
I_GetJoystick2Events void none
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Gets events for the second joystick
I_GetMouseEvents void none
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Gets events for the mouse
I_GetEnv char * const char *name
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Gets and returns the value of an environment variable, if it exists
I_PutEnv INT32 char *variable
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Creates, modifies, or removes environment variables
I_ClipboardCopy INT32 const char *data,
size_t size
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Put data in system clipboard
I_ClipboardPaste const char * none
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
  • win32ce/win_sys.c
 Retrieve data from system clipboard
I_RegisterSysCommands void none
  • android/i_system.c
  • djgppdos/i_system.c
  • dummy/i_system.c
  • nds/i_system.c
  • sdl/i_system.c
  • sdl12/i_system.c
  • win32/win_sys.c
 Registers the cpuaffinity console variable (only for Win32 with DirectX)

Typedefs

Name Type Description
FFType enum
JoyFF_t
struct JoyFF_s 		struct
quitfuncptr void (*function)() The shutdown function typedef – this is only used to help define the shutdown function list in the corresponding i_system.c or win_sys.c source file for the port SRB2 is being compiled for.
CPUInfoFlags struct

Enumerations

FFType

Value Name Description
-1 EvilForce
0 ConstantForce
1 RampForce
2 SquareForce
3 SineForce
4 TriangleForce
5 SawtoothUpForce
6 SawtoothDownForce
7 NumberofForces

Structs

JoyFF_t

Data name Data type Description
ForceX INT32
ForceY INT32
Duration UINT32
Gain INT32
Magnitude INT32
Start INT32
End INT32
Offset INT32
Phase UINT32
Period UINT32

CPUInfoFlags

Data name Data type Width (bits) Description
FPU int 1 FPU available
CPUID int 1 CPUID instruction available
RDTSC int 1 RDTSC instruction available
MMX int 1 MMX instruction set available
MMXExt int 1 AMD MMX extensions available
CMOV int 1 CMOVcc (conditional move) instructions available
AMD3DNow int 1 3DNow! instruction set available
AMD3DNowExt int 1 3DNow! extensions available
SSE int 1 SSE instruction set available
SSE2 int 1 SSE2 instruction set available
SSE3 int 1 SSE3 instruction set available
IA64 int 1 Running on IA-64 architecture
AMD64 int 1 Running on x86-64
AltiVec int 1 AltiVec instruction set available
FPPE int 1 Floating-point precision errata (for Pentium)
PFC int 1 Processor channels are enabled
cmpxchg int 1 cmpxchg (compare and exchange) instruction available
cmpxchg16b int 1 cmpxchg16b (compare and exchange 128-bit) instruction available
cmp8xchg16 int 1 cmp8xchg16 (compare 64 and exchange 128-bit) instruction available
FPE int 1 Floating-point operations are emulated
DEP int 1 DEP is enabled
PPCMM64 int 1 PowerPC Movemem 64bit ok (?)
ALPHAbyte int 1 DEC Alpha (?)
PAE int 1 PAE is enabled
CPUs int 8 Number of logical processors
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