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Lots of changes to better support hotplugging and unstable device indexes

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* Don't save cv_usejoystick/2 because hotplugging changes can be made invalid by next run
* Properly set cv_usejoystick/2 for menu toggling
* Force-disable a player's joystick if setting another player's joystick to the same device
* Properly set cv_usejoystick/2 value of BOTH target player AND other players when hotplugging and unplugging
This commit is contained in:
mazmazz 2018-12-14 03:58:07 -05:00
parent 6b9fe87b60
commit 3b6de810e1
5 changed files with 110 additions and 16 deletions
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24
src/d_netcmd.c
View file

@ -46,6 +46,13 @@
#include "m_cond.h"
#include "m_anigif.h"
#if defined(HAVE_SDL)
#include "SDL.h"
#if SDL_VERSION_ATLEAST(2,0,0)
#include "sdl/sdlmain.h" // JOYSTICK_HOTPLUG
#endif
#endif
#ifdef NETGAME_DEVMODE
#define CV_RESTRICT CV_NETVAR
#else
@ -243,10 +250,19 @@ consvar_t cv_usemouse = {"use_mouse", "On", CV_SAVE|CV_CALL,usemouse_cons_t, I_S
consvar_t cv_usemouse2 = {"use_mouse2", "Off", CV_SAVE|CV_CALL,usemouse_cons_t, I_StartupMouse2, 0, NULL, NULL, 0, 0, NULL};
#if defined (DC) || defined (_XBOX) || defined (WMINPUT) || defined (_WII) || defined(HAVE_SDL) || defined(_WINDOWS) //joystick 1 and 2
consvar_t cv_usejoystick = {"use_joystick", "1", CV_SAVE|CV_CALL, usejoystick_cons_t,
I_InitJoystick, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_usejoystick2 = {"use_joystick2", "2", CV_SAVE|CV_CALL, usejoystick_cons_t,
I_InitJoystick2, 0, NULL, NULL, 0, 0, NULL};
// JOYSTICK_HOTPLUG is set by sdlmain.h (SDL2)
// because SDL joystick indexes are unstable, and hotplugging can change a device's index.
// So let's not save any index changes to the config
consvar_t cv_usejoystick = {"use_joystick", "1", CV_CALL
#ifndef JOYSTICK_HOTPLUG
|CV_SAVE
#endif
, usejoystick_cons_t, I_InitJoystick, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_usejoystick2 = {"use_joystick2", "2", CV_CALL
#ifndef JOYSTICK_HOTPLUG
|CV_SAVE
#endif
, usejoystick_cons_t, I_InitJoystick2, 0, NULL, NULL, 0, 0, NULL};
#elif defined (PSP) || defined (GP2X) || defined (_NDS) //only one joystick
consvar_t cv_usejoystick = {"use_joystick", "1", CV_SAVE|CV_CALL, usejoystick_cons_t,
I_InitJoystick, 0, NULL, NULL, 0, 0, NULL};

29
src/m_menu.c
View file

@ -62,6 +62,13 @@
// And just some randomness for the exits.
#include "m_random.h"
#if defined(HAVE_SDL)
#include "SDL.h"
#if SDL_VERSION_ATLEAST(2,0,0)
#include "sdl/sdlmain.h" // JOYSTICK_HOTPLUG
#endif
#endif
#ifdef PC_DOS
#include <stdio.h> // for snprintf
int snprintf(char *str, size_t n, const char *fmt, ...);
@ -6770,12 +6777,34 @@ void M_SetupJoystickMenu(INT32 choice)
strcpy(joystickInfo[i], "None");
#ifdef JOYSTICK_HOTPLUG
if (0 == cv_usejoystick.value)
CV_SetValue(&cv_usejoystick, 0);
if (0 == cv_usejoystick2.value)
CV_SetValue(&cv_usejoystick2, 0);
#endif
for (i = 1; i < 8; i++)
{
if (i <= n && (I_GetJoyName(i)) != NULL)
strncpy(joystickInfo[i], I_GetJoyName(i), 28);
else
strcpy(joystickInfo[i], joyNA);
#ifdef JOYSTICK_HOTPLUG
// We use cv_usejoystick.string as the USER-SET var
// and cv_usejoystick.value as the INTERNAL var
//
// In practice, if cv_usejoystick.string == 0, this overrides
// cv_usejoystick.value and always disables
//
// Update cv_usejoystick.string here so that the user can
// properly change this value.
if (i == cv_usejoystick.value)
CV_SetValue(&cv_usejoystick, i);
if (i == cv_usejoystick2.value)
CV_SetValue(&cv_usejoystick2, i);
#endif
}
M_SetupNextMenu(&OP_JoystickSetDef);

18
src/sdl/i_system.c
View file

@ -1413,11 +1413,20 @@ void I_InitJoystick(void)
// the actual device index. So let's cheat a bit and find the device's current index.
JoyInfo.oldjoy = I_GetJoystickDeviceIndex(JoyInfo.dev) + 1;
joystick_started = 1;
// If another joystick occupied this device, deactivate that joystick
if (JoyInfo2.dev == JoyInfo.dev)
{
CONS_Debug(DBG_GAMELOGIC, "Joystick2 was set to the same device; disabling...\n");
cv_usejoystick2.value = 0;
I_InitJoystick2();
}
}
else
{
if (JoyInfo.oldjoy)
I_ShutdownJoystick();
cv_usejoystick.value = 0;
joystick_started = 0;
}
}
@ -1445,11 +1454,20 @@ void I_InitJoystick2(void)
// the actual device index. So let's cheat a bit and find the device's current index.
JoyInfo2.oldjoy = I_GetJoystickDeviceIndex(JoyInfo2.dev) + 1;
joystick2_started = 1;
// If another joystick occupied this device, deactivate that joystick
if (JoyInfo.dev == JoyInfo2.dev)
{
CONS_Debug(DBG_GAMELOGIC, "Joystick1 was set to the same device; disabling...\n");
cv_usejoystick.value = 0;
I_InitJoystick();
}
}
else
{
if (JoyInfo2.oldjoy)
I_ShutdownJoystick2();
cv_usejoystick2.value = 0;
joystick2_started = 0;
}

52
src/sdl/i_video.c
View file

@ -887,19 +887,21 @@ void I_GetEvent(void)
// Because SDL's device index is unstable, we're going to cheat here a bit:
// For the first joystick setting that is NOT active:
// Set cv_usejoystickX.value to the new device index (this does not change what is written to config.cfg)
// Set OTHERS' cv_usejoystickX.value to THEIR new device index, because it likely changed
// If device doesn't exist, switch cv_usejoystick back to default value (.string)
// BUT: If that default index is being occupied, use ANOTHER cv_usejoystick's default value!
// 1. Set cv_usejoystickX.value to the new device index (this does not change what is written to config.cfg)
// 2. Set OTHERS' cv_usejoystickX.value to THEIR new device index, because it likely changed
// * If device doesn't exist, switch cv_usejoystick back to default value (.string)
// * BUT: If that default index is being occupied, use ANOTHER cv_usejoystick's default value!
if (!JoyInfo.dev || !SDL_JoystickGetAttached(JoyInfo.dev))
{
cv_usejoystick.value = evt.jdevice.which + 1;
if (JoyInfo2.dev)
cv_usejoystick2.value = I_GetJoystickDeviceIndex(JoyInfo2.dev) + 1;
else if (atoi(cv_usejoystick2.string) != JoyInfo.oldjoy)
else if (atoi(cv_usejoystick2.string) != JoyInfo.oldjoy
&& atoi(cv_usejoystick2.string) != cv_usejoystick.value)
cv_usejoystick2.value = atoi(cv_usejoystick2.string);
else if (atoi(cv_usejoystick.string) != JoyInfo.oldjoy)
else if (atoi(cv_usejoystick.string) != JoyInfo.oldjoy
&& atoi(cv_usejoystick.string) != cv_usejoystick.value)
cv_usejoystick2.value = atoi(cv_usejoystick.string);
else // we tried...
cv_usejoystick2.value = 0;
@ -910,16 +912,31 @@ void I_GetEvent(void)
if (JoyInfo.dev)
cv_usejoystick.value = I_GetJoystickDeviceIndex(JoyInfo.dev) + 1;
else if (atoi(cv_usejoystick.string) != JoyInfo2.oldjoy)
else if (atoi(cv_usejoystick.string) != JoyInfo2.oldjoy
&& atoi(cv_usejoystick.string) != cv_usejoystick2.value)
cv_usejoystick.value = atoi(cv_usejoystick.string);
else if (atoi(cv_usejoystick2.string) != JoyInfo2.oldjoy)
else if (atoi(cv_usejoystick2.string) != JoyInfo2.oldjoy
&& atoi(cv_usejoystick2.string) != cv_usejoystick2.value)
cv_usejoystick.value = atoi(cv_usejoystick2.string);
else // we tried...
cv_usejoystick.value = 0;
}
// If an active joystick's index has changed, these will just
// change the corresponding JoyInfo.oldjoy
// Was cv_usejoystick disabled in settings?
if (!strcmp(cv_usejoystick.string, "0") || !cv_usejoystick.value)
cv_usejoystick.value = 0;
else if (cv_usejoystick.value) // update the cvar ONLY if a device exists
CV_SetValue(&cv_usejoystick, cv_usejoystick.value);
if (!strcmp(cv_usejoystick2.string, "0") || !cv_usejoystick2.value)
cv_usejoystick2.value = 0;
else if (cv_usejoystick2.value) // update the cvar ONLY if a device exists
CV_SetValue(&cv_usejoystick2, cv_usejoystick2.value);
// Update all joysticks' init states
// This is a little wasteful since cv_usejoystick already calls this, but
// we need to do this in case CV_SetValue did nothing because the string was already same.
// if the device is already active, this should do nothing, effectively.
I_InitJoystick();
I_InitJoystick2();
@ -944,8 +961,8 @@ void I_GetEvent(void)
}
// Update the device indexes, because they likely changed
// If device doesn't exist, switch cv_usejoystick back to default value (.string)
// BUT: If that default index is being occupied, use ANOTHER cv_usejoystick's default value!
// * If device doesn't exist, switch cv_usejoystick back to default value (.string)
// * BUT: If that default index is being occupied, use ANOTHER cv_usejoystick's default value!
if (JoyInfo.dev)
cv_usejoystick.value = JoyInfo.oldjoy = I_GetJoystickDeviceIndex(JoyInfo.dev) + 1;
else if (atoi(cv_usejoystick.string) != JoyInfo2.oldjoy)
@ -964,6 +981,17 @@ void I_GetEvent(void)
else // we tried...
cv_usejoystick2.value = 0;
// Was cv_usejoystick disabled in settings?
if (!strcmp(cv_usejoystick.string, "0"))
cv_usejoystick.value = 0;
else if (cv_usejoystick.value) // update the cvar ONLY if a device exists
CV_SetValue(&cv_usejoystick, cv_usejoystick.value);
if (!strcmp(cv_usejoystick2.string, "0"))
cv_usejoystick2.value = 0;
else if (cv_usejoystick2.value) // update the cvar ONLY if a device exists
CV_SetValue(&cv_usejoystick2, cv_usejoystick2.value);
CONS_Debug(DBG_GAMELOGIC, "Joystick1 device index: %d\n", JoyInfo.oldjoy);
CONS_Debug(DBG_GAMELOGIC, "Joystick2 device index: %d\n", JoyInfo2.oldjoy);

3
src/sdl/sdlmain.h
View file

@ -31,6 +31,9 @@ extern SDL_bool framebuffer;
#define SDL2STUB() CONS_Printf("SDL2: stubbed: %s:%d\n", __func__, __LINE__)
#endif
// So m_menu knows whether to store cv_usejoystick value or string
#define JOYSTICK_HOTPLUG
/** \brief The JoyInfo_s struct
info about joystick