]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - vid_sdl.c
DP_PRELOAD_DEPENDENCIES=yes makefile option: when set, link against the libraries...
[xonotic/darkplaces.git] / vid_sdl.c
index 196fe4f497b39b7bc0fd511b268946e291078a22..7ac1e4ec8e367ead582b82a1dcc8c11db14a5c00 100644 (file)
--- a/vid_sdl.c
+++ b/vid_sdl.c
@@ -16,6 +16,7 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
+#undef WIN32_LEAN_AND_MEAN  //hush a warning, SDL.h redefines this
 #include <SDL.h>
 #include <stdio.h>
 
@@ -23,14 +24,40 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 // Tell startup code that we have a client
 int cl_available = true;
+
+qboolean vid_supportrefreshrate = false;
+
+cvar_t joy_detected = {CVAR_READONLY, "joy_detected", "0", "number of joysticks detected by engine"};
+cvar_t joy_enable = {0, "joy_enable", "1", "enables joystick support"};
+cvar_t joy_index = {0, "joy_index", "0", "selects which joystick to use if you have multiple"};
+cvar_t joy_axisforward = {0, "joy_axisforward", "1", "which joystick axis to query for forward/backward movement"};
+cvar_t joy_axisside = {0, "joy_axisside", "0", "which joystick axis to query for right/left movement"};
+cvar_t joy_axisup = {0, "joy_axisup", "-1", "which joystick axis to query for up/down movement"};
+cvar_t joy_axispitch = {0, "joy_axispitch", "3", "which joystick axis to query for looking up/down"};
+cvar_t joy_axisyaw = {0, "joy_axisyaw", "2", "which joystick axis to query for looking right/left"};
+cvar_t joy_axisroll = {0, "joy_axisroll", "-1", "which joystick axis to query for tilting head right/left"};
+cvar_t joy_deadzoneforward = {0, "joy_deadzoneforward", "0", "deadzone tolerance, suggested values are in the range 0 to 0.01"};
+cvar_t joy_deadzoneside = {0, "joy_deadzoneside", "0", "deadzone tolerance, suggested values are in the range 0 to 0.01"};
+cvar_t joy_deadzoneup = {0, "joy_deadzoneup", "0", "deadzone tolerance, suggested values are in the range 0 to 0.01"};
+cvar_t joy_deadzonepitch = {0, "joy_deadzonepitch", "0", "deadzone tolerance, suggested values are in the range 0 to 0.01"};
+cvar_t joy_deadzoneyaw = {0, "joy_deadzoneyaw", "0", "deadzone tolerance, suggested values are in the range 0 to 0.01"};
+cvar_t joy_deadzoneroll = {0, "joy_deadzoneroll", "0", "deadzone tolerance, suggested values are in the range 0 to 0.01"};
+cvar_t joy_sensitivityforward = {0, "joy_sensitivityforward", "-1", "movement multiplier"};
+cvar_t joy_sensitivityside = {0, "joy_sensitivityside", "1", "movement multiplier"};
+cvar_t joy_sensitivityup = {0, "joy_sensitivityup", "1", "movement multiplier"};
+cvar_t joy_sensitivitypitch = {0, "joy_sensitivitypitch", "1", "movement multiplier"};
+cvar_t joy_sensitivityyaw = {0, "joy_sensitivityyaw", "-1", "movement multiplier"};
+cvar_t joy_sensitivityroll = {0, "joy_sensitivityroll", "1", "movement multiplier"};
+
+
 static qboolean vid_usingmouse;
 static qboolean vid_isfullscreen;
+static int vid_numjoysticks = 0;
+#define MAX_JOYSTICKS 8
+static SDL_Joystick *vid_joysticks[MAX_JOYSTICKS];
 
 static SDL_Surface *screen;
 
-static void IN_Init( void );
-static void IN_Shutdown( void );
-
 /////////////////////////
 // Input handling
 ////
@@ -180,7 +207,7 @@ static unsigned int tbl_sdltoquake[] =
        0,                      //SDLK_LMETA    = 310,
        0,                      //SDLK_LSUPER   = 311,          /* Left "Windows" key */
        0,                      //SDLK_RSUPER   = 312,          /* Right "Windows" key */
-       0,                      //SDLK_MODE             = 313,          /* "Alt Gr" key */
+       K_ALT,                  //SDLK_MODE             = 313,          /* "Alt Gr" key */
        0,                      //SDLK_COMPOSE  = 314,          /* Multi-key compose key */
        0,                      //SDLK_HELP             = 315,
        0,                      //SDLK_PRINT    = 316,
@@ -202,53 +229,69 @@ static int MapKey( unsigned int sdlkey )
     return tbl_sdltoquake[ sdlkey ];
 }
 
-static void IN_Activate( void )
-{
-       SDL_WM_GrabInput( SDL_GRAB_ON );
-       SDL_ShowCursor( SDL_DISABLE );
-}
-
-static void IN_Deactivate( void )
+static void IN_Activate( qboolean grab )
 {
-       SDL_WM_GrabInput( SDL_GRAB_OFF );
-       SDL_ShowCursor( SDL_ENABLE );
+       if (grab)
+       {
+               if (!vid_usingmouse)
+               {
+                       vid_usingmouse = true;
+                       cl_ignoremousemove = true;
+                       SDL_WM_GrabInput( SDL_GRAB_ON );
+                       SDL_ShowCursor( SDL_DISABLE );
+               }
+       }
+       else
+       {
+               if (vid_usingmouse)
+               {
+                       vid_usingmouse = false;
+                       cl_ignoremousemove = true;
+                       SDL_WM_GrabInput( SDL_GRAB_OFF );
+                       SDL_ShowCursor( SDL_ENABLE );
+               }
+       }
 }
 
-void IN_Commands (void)
+static double IN_JoystickGetAxis(SDL_Joystick *joy, int axis, double sensitivity, double deadzone)
 {
+       double value;
+       if (axis < 0 || axis >= SDL_JoystickNumAxes(joy))
+               return 0; // no such axis on this joystick
+       value = SDL_JoystickGetAxis(joy, axis) * (1.0 / 32767.0);
+       value = bound(-1, value, 1);
+       if (fabs(value) < deadzone)
+               return 0; // within deadzone around center
+       return value * sensitivity;
 }
 
-static void IN_MouseMove (void)
+void IN_Move( void )
 {
+       int j;
        int x, y;
-
-       if( !vid_usingmouse ) {
-               IN_Mouse( 0, 0 );
-               return;
+       if( vid_usingmouse )
+       {
+               SDL_GetRelativeMouseState( &x, &y );
+               in_mouse_x = x;
+               in_mouse_y = y;
+       }
+       if (vid_numjoysticks && joy_enable.integer && joy_index.integer >= 0 && joy_index.integer < vid_numjoysticks)
+       {
+               SDL_Joystick *joy = vid_joysticks[joy_index.integer];
+               int numballs = SDL_JoystickNumBalls(joy);
+               for (j = 0;j < numballs;j++)
+               {
+                       SDL_JoystickGetBall(joy, j, &x, &y);
+                       in_mouse_x += x;
+                       in_mouse_y += y;
+               }
+               cl.cmd.forwardmove += IN_JoystickGetAxis(joy, joy_axisforward.integer, joy_sensitivityforward.value, joy_deadzoneforward.value) * cl_forwardspeed.value;
+               cl.cmd.sidemove    += IN_JoystickGetAxis(joy, joy_axisside.integer, joy_sensitivityside.value, joy_deadzoneside.value) * cl_sidespeed.value;
+               cl.cmd.upmove      += IN_JoystickGetAxis(joy, joy_axisup.integer, joy_sensitivityup.value, joy_deadzoneup.value) * cl_upspeed.value;
+               cl.viewangles[0]   += IN_JoystickGetAxis(joy, joy_axispitch.integer, joy_sensitivitypitch.value, joy_deadzonepitch.value) * cl.realframetime * cl_pitchspeed.value;
+               cl.viewangles[1]   += IN_JoystickGetAxis(joy, joy_axisyaw.integer, joy_sensitivityyaw.value, joy_deadzoneyaw.value) * cl.realframetime * cl_yawspeed.value;
+               //cl.viewangles[2]   += IN_JoystickGetAxis(joy, joy_axisroll.integer, joy_sensitivityroll.value, joy_deadzoneroll.value) * cl.realframetime * cl_rollspeed.value;
        }
-
-       SDL_GetRelativeMouseState( &x, &y );
-       IN_Mouse( x, y );
-}
-
-void IN_Move( void )
-{
-       IN_MouseMove();
-}
-
-static void IN_Init( void )
-{
-       // init keyboard
-       SDL_EnableUNICODE( SDL_ENABLE );
-       // enable key repeat since everyone expects it
-       SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
-
-       // init mouse
-       vid_usingmouse = false;
-}
-
-static void IN_Shutdown( void )
-{
 }
 
 /////////////////////
@@ -268,14 +311,37 @@ static int Sys_EventFilter( SDL_Event *event )
 #endif
 }
 
+static keynum_t buttonremap[18] =
+{
+       K_MOUSE1,
+       K_MOUSE3,
+       K_MOUSE2,
+       K_MWHEELUP,
+       K_MWHEELDOWN,
+       K_MOUSE4,
+       K_MOUSE5,
+       K_MOUSE6,
+       K_MOUSE7,
+       K_MOUSE8,
+       K_MOUSE9,
+       K_MOUSE10,
+       K_MOUSE11,
+       K_MOUSE12,
+       K_MOUSE13,
+       K_MOUSE14,
+       K_MOUSE15,
+       K_MOUSE16,
+};
+
 void Sys_SendKeyEvents( void )
 {
+       static qboolean sound_active = true;
        SDL_Event event;
 
        while( SDL_PollEvent( &event ) )
                switch( event.type ) {
                        case SDL_QUIT:
-                               Sys_Quit();
+                               Sys_Quit(0);
                                break;
                        case SDL_KEYDOWN:
                        case SDL_KEYUP:
@@ -291,20 +357,30 @@ void Sys_SendKeyEvents( void )
                                }
                                break;
                        case SDL_MOUSEBUTTONDOWN:
-                               if( event.button.button == SDL_BUTTON_MIDDLE )
-                                       event.button.button = SDL_BUTTON_RIGHT;
-                               else if( event.button.button == SDL_BUTTON_RIGHT )
-                                       event.button.button = SDL_BUTTON_MIDDLE;
-                               Key_Event( K_MOUSE1 + event.button.button - 1, 0, true );
-                               break;
                        case SDL_MOUSEBUTTONUP:
-                               if( event.button.button == SDL_BUTTON_MIDDLE )
-                                       event.button.button = SDL_BUTTON_RIGHT;
-                               else if( event.button.button == SDL_BUTTON_RIGHT )
-                                       event.button.button = SDL_BUTTON_MIDDLE;
-                               Key_Event( K_MOUSE1 + event.button.button - 1, 0, false );
+                               if (event.button.button <= 18)
+                                       Key_Event( buttonremap[event.button.button - 1], 0, event.button.state == SDL_PRESSED );
+                               break;
+                       case SDL_JOYBUTTONDOWN:
+                               if (!joy_enable.integer)
+                                       break; // ignore down events if joystick has been disabled
+                       case SDL_JOYBUTTONUP:
+                               if (event.jbutton.button < 48)
+                                       Key_Event( event.jbutton.button + (event.jbutton.button < 16 ? K_JOY1 : K_AUX1 - 16), 0, (event.jbutton.state == SDL_PRESSED) );
                                break;
                }
+
+       // enable/disable sound on focus gain/loss
+       if (!vid_activewindow && sound_active)
+       {
+               S_BlockSound ();
+               sound_active = false;
+       }
+       else if (vid_activewindow && !sound_active)
+       {
+               S_UnblockSound ();
+               sound_active = true;
+       }
 }
 
 /////////////////
@@ -319,14 +395,37 @@ void *GL_GetProcAddress(const char *name)
 }
 
 static int Sys_EventFilter( SDL_Event *event );
+static qboolean vid_sdl_initjoysticksystem = false;
 void VID_Init (void)
 {
+       Cvar_RegisterVariable(&joy_detected);
+       Cvar_RegisterVariable(&joy_enable);
+       Cvar_RegisterVariable(&joy_index);
+       Cvar_RegisterVariable(&joy_axisforward);
+       Cvar_RegisterVariable(&joy_axisside);
+       Cvar_RegisterVariable(&joy_axisup);
+       Cvar_RegisterVariable(&joy_axispitch);
+       Cvar_RegisterVariable(&joy_axisyaw);
+       //Cvar_RegisterVariable(&joy_axisroll);
+       Cvar_RegisterVariable(&joy_deadzoneforward);
+       Cvar_RegisterVariable(&joy_deadzoneside);
+       Cvar_RegisterVariable(&joy_deadzoneup);
+       Cvar_RegisterVariable(&joy_deadzonepitch);
+       Cvar_RegisterVariable(&joy_deadzoneyaw);
+       //Cvar_RegisterVariable(&joy_deadzoneroll);
+       Cvar_RegisterVariable(&joy_sensitivityforward);
+       Cvar_RegisterVariable(&joy_sensitivityside);
+       Cvar_RegisterVariable(&joy_sensitivityup);
+       Cvar_RegisterVariable(&joy_sensitivitypitch);
+       Cvar_RegisterVariable(&joy_sensitivityyaw);
+       //Cvar_RegisterVariable(&joy_sensitivityroll);
+
        if (SDL_Init(SDL_INIT_VIDEO) < 0)
-               Sys_Error ("Failed to init video: %s\n", SDL_GetError());
+               Sys_Error ("Failed to init SDL video subsystem: %s", SDL_GetError());
+       vid_sdl_initjoysticksystem = SDL_Init(SDL_INIT_JOYSTICK) >= 0;
+       if (vid_sdl_initjoysticksystem)
+               Con_Printf("Failed to init SDL joystick subsystem: %s\n", SDL_GetError());
        vid_isfullscreen = false;
-
-       SDL_SetEventFilter( (SDL_EventFilter) Sys_EventFilter );
-       IN_Init();
 }
 
 // set the icon (we dont use SDL here since it would be too much a PITA)
@@ -347,7 +446,12 @@ static void VID_SetCaption()
                return;
 
        icon = LoadIcon( GetModuleHandle( NULL ), MAKEINTRESOURCE( IDI_ICON1 ) );
-       SetClassLong( info.window, GCL_HICON, (LONG) icon );
+#ifndef _W64 //If Windows 64bit data types don't exist
+#define SetClassLongPtr SetClassLong
+#define GCLP_HICON GCL_HICON
+#define LONG_PTR LONG
+#endif
+       SetClassLongPtr( info.window, GCLP_HICON, (LONG_PTR)icon );
 }
 #else
 static void VID_SetCaption()
@@ -366,9 +470,10 @@ static void VID_OutputVersion()
                                        version->major, version->minor, version->patch );
 }
 
-int VID_InitMode(int fullscreen, int width, int height, int bpp)
+int VID_InitMode(int fullscreen, int width, int height, int bpp, int refreshrate, int stereobuffer)
 {
        int i;
+       static int notfirstvideomode = false;
        int flags = SDL_OPENGL;
        const char *drivername;
 
@@ -379,9 +484,9 @@ int VID_InitMode(int fullscreen, int width, int height, int bpp)
                We cant switch from one OpenGL video mode to another.
                Thus we first switch to some stupid 2D mode and then back to OpenGL.
        */
-#ifndef MACOSX
-       SDL_SetVideoMode( 0, 0, 0, 0 );
-#endif
+       if (notfirstvideomode)
+               SDL_SetVideoMode( 0, 0, 0, 0 );
+       notfirstvideomode = true;
 
        // SDL usually knows best
        drivername = NULL;
@@ -396,17 +501,15 @@ int VID_InitMode(int fullscreen, int width, int height, int bpp)
                return false;
        }
 
-       qglGetString = GL_GetProcAddress("glGetString");
-
-       // Knghtbrd: should do platform-specific extension string function here
-
-       if (qglGetString == NULL)
+       if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))GL_GetProcAddress("glGetString")) == NULL)
        {
                VID_Shutdown();
                Con_Print("Required OpenGL function glGetString not found\n");
                return false;
        }
 
+       // Knghtbrd: should do platform-specific extension string function here
+
        vid_isfullscreen = false;
        if (fullscreen) {
                flags |= SDL_FULLSCREEN;
@@ -430,20 +533,30 @@ int VID_InitMode(int fullscreen, int width, int height, int bpp)
                SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, 1);
                SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16);
        }
+       if (stereobuffer)
+               SDL_GL_SetAttribute (SDL_GL_STEREO, 1);
 
        screen = SDL_SetVideoMode(width, height, bpp, flags);
        if (screen == NULL)
        {
-               Con_Printf("Failed to set video mode to %ix%i: %s\n", width, height, SDL_GetError);
+               Con_Printf("Failed to set video mode to %ix%i: %s\n", width, height, SDL_GetError());
                VID_Shutdown();
                return false;
        }
+
+       // set window title
        VID_SetCaption();
+       // set up an event filter to ask confirmation on close button in WIN32
+       SDL_SetEventFilter( (SDL_EventFilter) Sys_EventFilter );
+       // init keyboard
+       SDL_EnableUNICODE( SDL_ENABLE );
+       // enable key repeat since everyone expects it
+       SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
 
-       gl_renderer = qglGetString(GL_RENDERER);
-       gl_vendor = qglGetString(GL_VENDOR);
-       gl_version = qglGetString(GL_VERSION);
-       gl_extensions = qglGetString(GL_EXTENSIONS);
+       gl_renderer = (const char *)qglGetString(GL_RENDERER);
+       gl_vendor = (const char *)qglGetString(GL_VENDOR);
+       gl_version = (const char *)qglGetString(GL_VERSION);
+       gl_extensions = (const char *)qglGetString(GL_EXTENSIONS);
        gl_platform = "SDL";
        // Knghtbrd: should assign platform-specific extensions here
        //TODO: maybe ;)
@@ -452,66 +565,82 @@ int VID_InitMode(int fullscreen, int width, int height, int bpp)
 
        GL_Init();
 
+       vid_numjoysticks = SDL_NumJoysticks();
+       vid_numjoysticks = bound(0, vid_numjoysticks, MAX_JOYSTICKS);
+       Cvar_SetValueQuick(&joy_detected, vid_numjoysticks);
+       Con_Printf("%d SDL joystick(s) found:\n", vid_numjoysticks);
+       memset(vid_joysticks, 0, sizeof(vid_joysticks));
+       for (i = 0;i < vid_numjoysticks;i++)
+       {
+               SDL_Joystick *joy;
+               joy = vid_joysticks[i] = SDL_JoystickOpen(i);
+               if (!joy)
+               {
+                       Con_Printf("joystick #%i: open failed: %s\n", i, SDL_GetError());
+                       continue;
+               }
+               Con_Printf("joystick #%i: opened \"%s\" with %i axes, %i buttons, %i balls\n", i, SDL_JoystickName(i), (int)SDL_JoystickNumAxes(joy), (int)SDL_JoystickNumButtons(joy), (int)SDL_JoystickNumBalls(joy));
+       }
+
        vid_hidden = false;
        vid_activewindow = false;
        vid_usingmouse = false;
-       IN_Init();
        return true;
 }
 
 void VID_Shutdown (void)
 {
-       IN_Shutdown();
-       SDL_QuitSubSystem(SDL_INIT_VIDEO);
-}
+       // this is needed to retry gamma after a vid_restart
+       VID_RestoreSystemGamma();
 
-int VID_SetGamma (unsigned short *ramps)
-{
-       return !SDL_SetGammaRamp (ramps, ramps + 256, ramps + 512);
+       IN_Activate(false);
+       SDL_QuitSubSystem(SDL_INIT_VIDEO);
 }
 
-int VID_GetGamma (unsigned short *ramps)
+int VID_SetGamma (unsigned short *ramps, int rampsize)
 {
-       return !SDL_GetGammaRamp( ramps, ramps + 256, ramps + 512);
+       return !SDL_SetGammaRamp (ramps, ramps + rampsize, ramps + rampsize*2);
 }
 
-void VID_GetWindowSize (int *x, int *y, int *width, int *height)
+int VID_GetGamma (unsigned short *ramps, int rampsize)
 {
-       *x = *y = 0;
-       *width = screen->w;
-       *height = screen->h;
+       return !SDL_GetGammaRamp (ramps, ramps + rampsize, ramps + rampsize*2);
 }
 
-void VID_Finish (void)
+void VID_Finish (qboolean allowmousegrab)
 {
        Uint8 appstate;
        qboolean vid_usemouse;
 
-       if (r_speeds.integer || gl_finish.integer)
-               qglFinish();
-       SDL_GL_SwapBuffers();
-
        //react on appstate changes
        appstate = SDL_GetAppState();
 
-       if( !( appstate & SDL_APPMOUSEFOCUS ) || !( appstate & SDL_APPINPUTFOCUS ) )
+       vid_hidden = !(appstate & SDL_APPACTIVE);
+
+       if( vid_hidden || !( appstate & SDL_APPMOUSEFOCUS ) || !( appstate & SDL_APPINPUTFOCUS ) )
                vid_activewindow = false;
        else
                vid_activewindow = true;
 
        vid_usemouse = false;
-       if( vid_mouse.integer && !key_consoleactive && !cls.demoplayback )
+       if( allowmousegrab && vid_mouse.integer && !key_consoleactive && (key_dest != key_game || !cls.demoplayback) )
                vid_usemouse = true;
        if( vid_isfullscreen )
                vid_usemouse = true;
        if( !vid_activewindow )
                vid_usemouse = false;
 
-       if( vid_usemouse && !vid_usingmouse ) {
-               vid_usingmouse = true;
-               IN_Activate();
-       } else if( !vid_usemouse && vid_usingmouse ) {
-               vid_usingmouse = false;
-               IN_Deactivate();
+       IN_Activate(vid_usemouse);
+
+       VID_UpdateGamma(false, 256);
+
+       if (r_render.integer && !vid_hidden)
+       {
+               CHECKGLERROR
+               if (r_speeds.integer || gl_finish.integer)
+               {
+                       qglFinish();CHECKGLERROR
+               }
+               SDL_GL_SwapBuffers();
        }
 }