Dynamic sdl2 loading from client

This commit is contained in:
Roman Chistokhodov 2017-12-07 01:25:59 +03:00
parent 646d2d92f6
commit 1759e8c956
3 changed files with 60 additions and 19 deletions

View File

@ -27,7 +27,10 @@ set (CLDLL_LIBRARY client)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-write-strings -DLINUX -D_LINUX -Dstricmp=strcasecmp -D_strnicmp=strncasecmp -Dstrnicmp=strncasecmp -DCLIENT_WEAPONS -DCLIENT_DLL -w") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-write-strings -DLINUX -D_LINUX -Dstricmp=strcasecmp -D_strnicmp=strncasecmp -Dstrnicmp=strncasecmp -DCLIENT_WEAPONS -DCLIENT_DLL -w")
if (GOLDSOURCE_SUPPORT) if (GOLDSOURCE_SUPPORT)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DGOLDSOURCE_SUPPORT -lSDL2") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DGOLDSOURCE_SUPPORT")
if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ldl")
endif()
endif() endif()
set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS}") set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS}")

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@ -28,8 +28,18 @@
#endif #endif
#ifdef USE_SDL2 #ifdef USE_SDL2
#include <dlfcn.h>
#include <SDL2/SDL_mouse.h> #include <SDL2/SDL_mouse.h>
#include <SDL2/SDL_gamecontroller.h> #include <SDL2/SDL_gamecontroller.h>
int (*pfnSDL_SetRelativeMouseMode)(SDL_bool);
Uint32 (*pfnSDL_GetRelativeMouseState)(int* x, int* y);
int (*pfnSDL_NumJoysticks)(void);
SDL_bool (*pfnSDL_IsGameController)(int);
SDL_GameController* (*pfnSDL_GameControllerOpen)(int);
Sint16 (*pfnSDL_GameControllerGetAxis)(SDL_GameController*, SDL_GameControllerAxis);
Uint8 (*pfnSDL_GameControllerGetButton)(SDL_GameController*, SDL_GameControllerButton);
void (*pfnSDL_JoystickUpdate)(void);
const char* (*pfnSDL_GameControllerName)(SDL_GameController*);
#endif #endif
#ifdef _WIN32 #ifdef _WIN32
@ -289,12 +299,12 @@ void IN_SetMouseMode(bool enable)
if(m_bRawInput) if(m_bRawInput)
{ {
#ifdef USE_SDL2 #ifdef USE_SDL2
SDL_SetRelativeMouseMode(SDL_TRUE); pfnSDL_SetRelativeMouseMode(SDL_TRUE);
#endif #endif
isMouseRelative = true; isMouseRelative = true;
} }
#else #else
SDL_SetRelativeMouseMode(SDL_TRUE); pfnSDL_SetRelativeMouseMode(SDL_TRUE);
#endif #endif
currentMouseMode = true; currentMouseMode = true;
@ -305,7 +315,7 @@ void IN_SetMouseMode(bool enable)
if(isMouseRelative) if(isMouseRelative)
{ {
#ifdef USE_SDL2 #ifdef USE_SDL2
SDL_SetRelativeMouseMode(SDL_FALSE); pfnSDL_SetRelativeMouseMode(SDL_FALSE);
#endif #endif
isMouseRelative = false; isMouseRelative = false;
} }
@ -313,7 +323,7 @@ void IN_SetMouseMode(bool enable)
if (restore_spi) if (restore_spi)
SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0); SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
#else #else
SDL_SetRelativeMouseMode(SDL_FALSE); pfnSDL_SetRelativeMouseMode(SDL_FALSE);
#endif #endif
currentMouseMode = false; currentMouseMode = false;
@ -464,6 +474,11 @@ void GoldSourceInput::IN_Shutdown (void)
s_hMouseThreadActiveLock = (HANDLE)0; s_hMouseThreadActiveLock = (HANDLE)0;
} }
#endif #endif
#ifdef USE_SDL2
dlclose(sdl2Lib);
sdl2Lib = NULL;
#endif
} }
/* /*
@ -623,7 +638,7 @@ void GoldSourceInput::IN_GetMouseDelta( int *pOutX, int *pOutY)
#endif #endif
{ {
#ifdef USE_SDL2 #ifdef USE_SDL2
SDL_GetRelativeMouseState( &deltaX, &deltaY ); pfnSDL_GetRelativeMouseState( &deltaX, &deltaY );
current_pos.x = deltaX; current_pos.x = deltaX;
current_pos.y = deltaY; current_pos.y = deltaY;
#else #else
@ -679,14 +694,14 @@ void GoldSourceInput::IN_GetMouseDelta( int *pOutX, int *pOutY)
if(m_bRawInput && !isMouseRelative) if(m_bRawInput && !isMouseRelative)
{ {
#ifdef USE_SDL2 #ifdef USE_SDL2
SDL_SetRelativeMouseMode(SDL_TRUE); pfnSDL_SetRelativeMouseMode(SDL_TRUE);
#endif #endif
isMouseRelative = true; isMouseRelative = true;
} }
else if(!m_bRawInput && isMouseRelative) else if(!m_bRawInput && isMouseRelative)
{ {
#ifdef USE_SDL2 #ifdef USE_SDL2
SDL_SetRelativeMouseMode(SDL_FALSE); pfnSDL_SetRelativeMouseMode(SDL_FALSE);
#endif #endif
isMouseRelative = false; isMouseRelative = false;
} }
@ -815,7 +830,7 @@ void GoldSourceInput::IN_Accumulate (void)
{ {
#ifdef USE_SDL2 #ifdef USE_SDL2
int deltaX, deltaY; int deltaX, deltaY;
SDL_GetRelativeMouseState( &deltaX, &deltaY ); pfnSDL_GetRelativeMouseState( &deltaX, &deltaY );
mx_accum += deltaX; mx_accum += deltaX;
my_accum += deltaY; my_accum += deltaY;
#else #else
@ -869,14 +884,14 @@ void IN_StartupJoystick (void)
// assume no joystick // assume no joystick
joy_avail = 0; joy_avail = 0;
#ifdef USE_SDL2 #ifdef USE_SDL2
int nJoysticks = SDL_NumJoysticks(); int nJoysticks = pfnSDL_NumJoysticks();
if ( nJoysticks > 0 ) if ( nJoysticks > 0 )
{ {
for ( int i = 0; i < nJoysticks; i++ ) for ( int i = 0; i < nJoysticks; i++ )
{ {
if ( SDL_IsGameController( i ) ) if ( pfnSDL_IsGameController( i ) )
{ {
s_pJoystick = SDL_GameControllerOpen( i ); s_pJoystick = pfnSDL_GameControllerOpen( i );
if ( s_pJoystick ) if ( s_pJoystick )
{ {
//save the joystick's number of buttons and POV status //save the joystick's number of buttons and POV status
@ -888,7 +903,7 @@ void IN_StartupJoystick (void)
// mark the joystick as available and advanced initialization not completed // mark the joystick as available and advanced initialization not completed
// this is needed as cvars are not available during initialization // this is needed as cvars are not available during initialization
gEngfuncs.Con_Printf ("joystick found\n\n", SDL_GameControllerName(s_pJoystick)); gEngfuncs.Con_Printf ("joystick found\n\n", pfnSDL_GameControllerName(s_pJoystick));
joy_avail = 1; joy_avail = 1;
joy_advancedinit = 0; joy_advancedinit = 0;
break; break;
@ -912,13 +927,13 @@ int RawValuePointer (int axis)
{ {
default: default:
case JOY_AXIS_X: case JOY_AXIS_X:
return SDL_GameControllerGetAxis( s_pJoystick, SDL_CONTROLLER_AXIS_LEFTX ); return pfnSDL_GameControllerGetAxis( s_pJoystick, SDL_CONTROLLER_AXIS_LEFTX );
case JOY_AXIS_Y: case JOY_AXIS_Y:
return SDL_GameControllerGetAxis( s_pJoystick, SDL_CONTROLLER_AXIS_LEFTY ); return pfnSDL_GameControllerGetAxis( s_pJoystick, SDL_CONTROLLER_AXIS_LEFTY );
case JOY_AXIS_Z: case JOY_AXIS_Z:
return SDL_GameControllerGetAxis( s_pJoystick, SDL_CONTROLLER_AXIS_RIGHTX ); return pfnSDL_GameControllerGetAxis( s_pJoystick, SDL_CONTROLLER_AXIS_RIGHTX );
case JOY_AXIS_R: case JOY_AXIS_R:
return SDL_GameControllerGetAxis( s_pJoystick, SDL_CONTROLLER_AXIS_RIGHTY ); return pfnSDL_GameControllerGetAxis( s_pJoystick, SDL_CONTROLLER_AXIS_RIGHTY );
} }
#else #else
@ -1011,7 +1026,7 @@ void GoldSourceInput::IN_Commands (void)
#ifdef USE_SDL2 #ifdef USE_SDL2
for ( i = 0; i < SDL_CONTROLLER_BUTTON_MAX; i++ ) for ( i = 0; i < SDL_CONTROLLER_BUTTON_MAX; i++ )
{ {
if ( SDL_GameControllerGetButton( s_pJoystick, (SDL_GameControllerButton)i ) ) if ( pfnSDL_GameControllerGetButton( s_pJoystick, (SDL_GameControllerButton)i ) )
{ {
buttonstate |= 1<<i; buttonstate |= 1<<i;
} }
@ -1071,7 +1086,7 @@ IN_ReadJoystick
int IN_ReadJoystick (void) int IN_ReadJoystick (void)
{ {
#ifdef USE_SDL2 #ifdef USE_SDL2
SDL_JoystickUpdate(); pfnSDL_JoystickUpdate();
#endif #endif
return 1; return 1;
} }
@ -1344,6 +1359,28 @@ void GoldSourceInput::IN_Init (void)
} }
#endif #endif
#ifdef USE_SDL2
sdl2Lib = dlopen("libSDL2.so", RTLD_NOW|RTLD_LOCAL);
if (!sdl2Lib)
sdl2Lib = dlopen("libSDL2-2.0.so.0", RTLD_NOW|RTLD_LOCAL);
if (sdl2Lib) {
void** sdlFunctions[] = {(void**)&pfnSDL_SetRelativeMouseMode, (void**)&pfnSDL_GetRelativeMouseState, (void**)&pfnSDL_NumJoysticks,
(void**)&pfnSDL_IsGameController, (void**)&pfnSDL_GameControllerOpen, (void**)&pfnSDL_GameControllerGetAxis,
(void**)&pfnSDL_GameControllerGetButton, (void**)&pfnSDL_JoystickUpdate, (void**)&pfnSDL_GameControllerName};
const char* const sdlFuncNames[] = {"SDL_SetRelativeMouseMode", "SDL_GetRelativeMouseState", "SDL_NumJoysticks",
"SDL_IsGameController", "SDL_GameControllerOpen", "SDL_GameControllerGetAxis",
"SDL_GameControllerGetButton", "SDL_JoystickUpdate", "SDL_GameControllerName"};
for (int j=0; j<sizeof(sdlFunctions)/sizeof(sdlFunctions[0]); ++j) {
*(sdlFunctions[j]) = dlsym(sdl2Lib, sdlFuncNames[j]);
if (*sdlFunctions[j] == NULL) {
gEngfuncs.Con_Printf("Could not load SDL2 function %s: %s\n", sdlFuncNames[j], dlerror());
break;
}
}
} else {
gEngfuncs.Con_Printf("Could not load SDL2: %s\n", dlerror());
}
#endif
gEngfuncs.pfnAddCommand ("force_centerview", Force_CenterView_f); gEngfuncs.pfnAddCommand ("force_centerview", Force_CenterView_f);
gEngfuncs.pfnAddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f); gEngfuncs.pfnAddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f);

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@ -71,6 +71,7 @@ protected:
POINT current_pos; POINT current_pos;
int old_mouse_x, old_mouse_y, mx_accum, my_accum; int old_mouse_x, old_mouse_y, mx_accum, my_accum;
int mouseinitialized; int mouseinitialized;
void* sdl2Lib;
}; };
#endif #endif