]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - vid_sdl.c
simplify it, and make it a bit nicer to the GPU
[xonotic/darkplaces.git] / vid_sdl.c
index 2c666495c5b1205e328f9a3c0b1ac12a03116b06..ba869c21ece248c48eb02eb565b8457b00c36a88 100644 (file)
--- a/vid_sdl.c
+++ b/vid_sdl.c
@@ -24,6 +24,36 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include "quakedef.h"
 #include "image.h"
 
+#ifdef MACOSX
+#include <Carbon/Carbon.h>
+#include <IOKit/hidsystem/IOHIDLib.h>
+#include <IOKit/hidsystem/IOHIDParameter.h>
+#include <IOKit/hidsystem/event_status_driver.h>
+static cvar_t apple_mouse_noaccel = {CVAR_SAVE, "apple_mouse_noaccel", "1", "disables mouse acceleration while DarkPlaces is active"};
+static qboolean vid_usingnoaccel;
+static double originalMouseSpeed = -1.0;
+io_connect_t IN_GetIOHandle(void)
+{
+       io_connect_t iohandle = MACH_PORT_NULL;
+       kern_return_t status;
+       io_service_t iohidsystem = MACH_PORT_NULL;
+       mach_port_t masterport;
+
+       status = IOMasterPort(MACH_PORT_NULL, &masterport);
+       if(status != KERN_SUCCESS)
+               return 0;
+
+       iohidsystem = IORegistryEntryFromPath(masterport, kIOServicePlane ":/IOResources/IOHIDSystem");
+       if(!iohidsystem)
+               return 0;
+
+       status = IOServiceOpen(iohidsystem, mach_task_self(), kIOHIDParamConnectType, &iohandle);
+       IOObjectRelease(iohidsystem);
+
+       return iohandle;
+}
+#endif
+
 #ifdef WIN32
 #define SDL_R_RESTART
 #endif
@@ -54,6 +84,7 @@ 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"};
+cvar_t joy_axiskeyevents = {CVAR_SAVE, "joy_axiskeyevents", "0", "generate uparrow/leftarrow etc. keyevents for joystick axes, use if your joystick driver is not generating them"};
 
 static qboolean vid_usingmouse = false;
 static qboolean vid_usinghidecursor = false;
@@ -68,6 +99,16 @@ static int video_bpp, video_flags;
 
 static SDL_Surface *screen;
 
+// joystick axes state
+#define MAX_JOYSTICK_AXES      16
+typedef struct
+{
+       float oldmove;
+       float move;
+       double keytime;
+}joy_axiscache_t;
+static joy_axiscache_t joy_axescache[MAX_JOYSTICK_AXES];
+
 /////////////////////////
 // Input handling
 ////
@@ -241,11 +282,68 @@ static int MapKey( unsigned int sdlkey )
 
 void VID_SetMouse(qboolean fullscreengrab, qboolean relative, qboolean hidecursor)
 {
+#ifdef MACOSX
+       if(relative)
+               if(vid_usingmouse && (vid_usingnoaccel != !!apple_mouse_noaccel.integer))
+                       VID_SetMouse(false, false, false); // ungrab first!
+#endif
        if (vid_usingmouse != relative)
        {
                vid_usingmouse = relative;
                cl_ignoremousemoves = 2;
                SDL_WM_GrabInput( relative ? SDL_GRAB_ON : SDL_GRAB_OFF );
+#ifdef MACOSX
+               if(relative)
+               {
+                       // Save the status of mouse acceleration
+                       originalMouseSpeed = -1.0; // in case of error
+                       if(apple_mouse_noaccel.integer)
+                       {
+                               io_connect_t mouseDev = IN_GetIOHandle();
+                               if(mouseDev != 0)
+                               {
+                                       if(IOHIDGetAccelerationWithKey(mouseDev, CFSTR(kIOHIDMouseAccelerationType), &originalMouseSpeed) == kIOReturnSuccess)
+                                       {
+                                               Con_DPrintf("previous mouse acceleration: %f\n", originalMouseSpeed);
+                                               if(IOHIDSetAccelerationWithKey(mouseDev, CFSTR(kIOHIDMouseAccelerationType), -1.0) != kIOReturnSuccess)
+                                               {
+                                                       Con_Print("Could not disable mouse acceleration (failed at IOHIDSetAccelerationWithKey).\n");
+                                                       Cvar_SetValueQuick(&apple_mouse_noaccel, 0);
+                                               }
+                                       }
+                                       else
+                                       {
+                                               Con_Print("Could not disable mouse acceleration (failed at IOHIDGetAccelerationWithKey).\n");
+                                               Cvar_SetValueQuick(&apple_mouse_noaccel, 0);
+                                       }
+                                       IOServiceClose(mouseDev);
+                               }
+                               else
+                               {
+                                       Con_Print("Could not disable mouse acceleration (failed at IO_GetIOHandle).\n");
+                                       Cvar_SetValueQuick(&apple_mouse_noaccel, 0);
+                               }
+                       }
+
+                       vid_usingnoaccel = !!apple_mouse_noaccel.integer;
+               }
+               else
+               {
+                       if(originalMouseSpeed != -1.0)
+                       {
+                               io_connect_t mouseDev = IN_GetIOHandle();
+                               if(mouseDev != 0)
+                               {
+                                       Con_DPrintf("restoring mouse acceleration to: %f\n", originalMouseSpeed);
+                                       if(IOHIDSetAccelerationWithKey(mouseDev, CFSTR(kIOHIDMouseAccelerationType), originalMouseSpeed) != kIOReturnSuccess)
+                                               Con_Print("Could not re-enable mouse acceleration (failed at IOHIDSetAccelerationWithKey).\n");
+                                       IOServiceClose(mouseDev);
+                               }
+                               else
+                                       Con_Print("Could not re-enable mouse acceleration (failed at IO_GetIOHandle).\n");
+                       }
+               }
+#endif
        }
        if (vid_usinghidecursor != hidecursor)
        {
@@ -266,12 +364,79 @@ static double IN_JoystickGetAxis(SDL_Joystick *joy, int axis, double sensitivity
        return value * sensitivity;
 }
 
+/////////////////////
+// Joystick axis keyevents
+// a sort of hack emulating Arrow keys for joystick axises
+// as some drives dont send such keyevents for them
+// additionally we should block drivers that do send arrow keyevents to prevent double events
+////
+
+static void IN_JoystickKeyeventForAxis(SDL_Joystick *joy, int axis, int key_pos, int key_neg)
+{
+       double joytime;
+
+       if (axis < 0 || axis >= SDL_JoystickNumAxes(joy))
+               return; // no such axis on this joystick
+
+       joytime = Sys_DoubleTime();
+       // no key event, continuous keydown event
+       if (joy_axescache[axis].move == joy_axescache[axis].oldmove)
+       {
+               if (joy_axescache[axis].move != 0 && joytime > joy_axescache[axis].keytime)
+               {
+                       //Con_Printf("joy %s %i %f\n", Key_KeynumToString((joy_axescache[axis].move > 0) ? key_pos : key_neg), 1, cl.time);
+                       Key_Event((joy_axescache[axis].move > 0) ? key_pos : key_neg, 0, 1);
+                       joy_axescache[axis].keytime = joytime + 0.5 / 20;
+               }
+               return;
+       }
+       // generate key up event
+       if (joy_axescache[axis].oldmove)
+       {
+               //Con_Printf("joy %s %i %f\n", Key_KeynumToString((joy_axescache[axis].oldmove > 0) ? key_pos : key_neg), 1, cl.time);
+               Key_Event((joy_axescache[axis].oldmove > 0) ? key_pos : key_neg, 0, 0);
+       }
+       // generate key down event
+       if (joy_axescache[axis].move)
+       {
+               //Con_Printf("joy %s %i %f\n", Key_KeynumToString((joy_axescache[axis].move > 0) ? key_pos : key_neg), 1, cl.time);
+               Key_Event((joy_axescache[axis].move > 0) ? key_pos : key_neg, 0, 1);
+               joy_axescache[axis].keytime = joytime + 0.5;
+       }
+}
+
+static qboolean IN_JoystickBlockDoubledKeyEvents(int keycode)
+{
+       if (!joy_axiskeyevents.integer)
+               return false;
+
+       // block keyevent if it's going to be provided by joystick keyevent system
+       if (vid_numjoysticks && joy_enable.integer && joy_index.integer >= 0 && joy_index.integer < vid_numjoysticks)
+       {
+               SDL_Joystick *joy = vid_joysticks[joy_index.integer];
+
+               if (keycode == K_UPARROW || keycode == K_DOWNARROW)
+                       if (IN_JoystickGetAxis(joy, joy_axisforward.integer, 1, 0.01) || joy_axescache[joy_axisforward.integer].move || joy_axescache[joy_axisforward.integer].oldmove)
+                               return true;
+               if (keycode == K_RIGHTARROW || keycode == K_LEFTARROW)
+                       if (IN_JoystickGetAxis(joy, joy_axisside.integer, 1, 0.01) || joy_axescache[joy_axisside.integer].move || joy_axescache[joy_axisside.integer].oldmove)
+                               return true;
+       }
+
+       return false;
+}
+
+/////////////////////
+// Movement handling
+////
+
 void IN_Move( void )
 {
        int j;
        static int old_x = 0, old_y = 0;
        static int stuck = 0;
-       int x, y;
+       int x, y, numaxes, numballs;
+
        if (vid_usingmouse)
        {
                if(vid_stick_mouse.integer)
@@ -309,19 +474,38 @@ void IN_Move( void )
        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);
+
+               // balls convert to mousemove
+               numballs = SDL_JoystickNumBalls(joy);
                for (j = 0;j < numballs;j++)
                {
                        SDL_JoystickGetBall(joy, j, &x, &y);
                        in_mouse_x += x;
                        in_mouse_y += y;
                }
+
+               // axes
                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;
+       
+               // cache state of axes to emulate button events for them
+               numaxes = min(MAX_JOYSTICK_AXES, SDL_JoystickNumAxes(joy));
+               for (j = 0; j < numaxes; j++)
+               {
+                       joy_axescache[j].oldmove = joy_axescache[j].move;
+                       joy_axescache[j].move = IN_JoystickGetAxis(joy, j, 1, 0.01);
+               }
+
+               // run keyevents
+               if (joy_axiskeyevents.integer)
+               {
+                       IN_JoystickKeyeventForAxis(joy, joy_axisforward.integer, K_DOWNARROW, K_UPARROW);
+                       IN_JoystickKeyeventForAxis(joy, joy_axisside.integer, K_RIGHTARROW, K_LEFTARROW);
+               }
        }
 }
 
@@ -381,6 +565,7 @@ static keynum_t buttonremap[18] =
 void Sys_SendKeyEvents( void )
 {
        static qboolean sound_active = true;
+       int keycode;
        SDL_Event event;
 
        while( SDL_PollEvent( &event ) )
@@ -390,7 +575,9 @@ void Sys_SendKeyEvents( void )
                                break;
                        case SDL_KEYDOWN:
                        case SDL_KEYUP:
-                               Key_Event( MapKey( event.key.keysym.sym ), event.key.keysym.unicode, (event.key.state == SDL_PRESSED) );
+                               keycode = MapKey(event.key.keysym.sym);
+                               if (!IN_JoystickBlockDoubledKeyEvents(keycode))
+                                       Key_Event(keycode, event.key.keysym.unicode, (event.key.state == SDL_PRESSED));
                                break;
                        case SDL_ACTIVEEVENT:
                                if( event.active.state & SDL_APPACTIVE )
@@ -467,6 +654,9 @@ static qboolean vid_sdl_initjoysticksystem = false;
 
 void VID_Init (void)
 {
+#ifdef MACOSX
+       Cvar_RegisterVariable(&apple_mouse_noaccel);
+#endif
        Cvar_RegisterVariable(&joy_detected);
        Cvar_RegisterVariable(&joy_enable);
        Cvar_RegisterVariable(&joy_index);
@@ -488,6 +678,7 @@ void VID_Init (void)
        Cvar_RegisterVariable(&joy_sensitivitypitch);
        Cvar_RegisterVariable(&joy_sensitivityyaw);
        //Cvar_RegisterVariable(&joy_sensitivityroll);
+       Cvar_RegisterVariable(&joy_axiskeyevents);
        
 #ifdef SDL_R_RESTART
        R_RegisterModule("SDL", sdl_start, sdl_shutdown, sdl_newmap, NULL, NULL);
@@ -532,7 +723,10 @@ static void VID_SetCaption(void)
 #endif
        SetClassLongPtr( info.window, GCLP_HICON, (LONG_PTR)icon );
 }
-static void VID_SetIcon(void)
+static void VID_SetIcon_Pre(void)
+{
+}
+static void VID_SetIcon_Post(void)
 {
 }
 #else
@@ -540,7 +734,7 @@ static void VID_SetIcon(void)
 #include "darkplaces.xpm"
 #include "nexuiz.xpm"
 static SDL_Surface *icon = NULL;
-static void VID_SetIcon(void)
+static void VID_SetIcon_Pre(void)
 {
        /*
         * Somewhat restricted XPM reader. Only supports XPMs saved by GIMP 2.4 at
@@ -590,51 +784,6 @@ static void VID_SetIcon(void)
                        icon->pixels = data;
                }
        }
-#if SDL_VIDEO_DRIVER_X11 && !SDL_VIDEO_DRIVER_QUARTZ
-       // ugly hack to upload a good icon on X11 too
-       else
-       {
-               SDL_SysWMinfo info;
-               SDL_VERSION(&info.version);
-               if(SDL_GetWMInfo(&info) == 1 && info.subsystem == SDL_SYSWM_X11)
-               {
-                       data = (char *) loadimagepixelsbgra("darkplaces-icon", false, false, false, NULL);
-                       if(data)
-                       {
-                               // use _NET_WM_ICON too
-                               static long netwm_icon[MAX_NETWM_ICON];
-                               int pos = 0;
-                               int i = 1;
-
-                               while(data)
-                               {
-                                       if(pos + 2 * image_width * image_height < MAX_NETWM_ICON)
-                                       {
-                                               netwm_icon[pos++] = image_width;
-                                               netwm_icon[pos++] = image_height;
-                                               for(i = 0; i < image_height; ++i)
-                                                       for(j = 0; j < image_width; ++j)
-                                                               netwm_icon[pos++] = BuffLittleLong((unsigned char *) &data[(i*image_width+j)*4]);
-                                       }
-                                       else
-                                       {
-                                               Con_Printf("Skipping NETWM icon #%d because there is no space left\n", i);
-                                       }
-                                       ++i;
-                                       Mem_Free(data);
-                                       data = (char *) loadimagepixelsbgra(va("darkplaces-icon%d", i), false, false, false, NULL);
-                               }
-
-                               info.info.x11.lock_func();
-                               {
-                                       Atom net_wm_icon = XInternAtom(info.info.x11.display, "_NET_WM_ICON", false);
-                                       XChangeProperty(info.info.x11.display, info.info.x11.wmwindow, net_wm_icon, XA_CARDINAL, 32, PropModeReplace, (const unsigned char *) netwm_icon, pos);
-                               }
-                               info.info.x11.unlock_func();
-                       }
-               }
-       }
-#endif
 
        // we only get here if non-XPM icon was missing, or SDL version is not
        // sufficient for transparent non-XPM icons
@@ -738,6 +887,62 @@ static void VID_SetIcon(void)
 
        SDL_WM_SetIcon(icon, NULL);
 }
+static void VID_SetIcon_Post(void)
+{
+#if SDL_VIDEO_DRIVER_X11 && !SDL_VIDEO_DRIVER_QUARTZ
+       int j;
+       char *data;
+       const SDL_version *version;
+
+       version = SDL_Linked_Version();
+       // only use non-XPM icon support in SDL v1.3 and higher
+       // SDL v1.2 does not support "smooth" transparency, and thus is better
+       // off the xpm way
+       if(!(version->major >= 2 || (version->major == 1 && version->minor >= 3)))
+       {
+               // in this case, we did not set the good icon yet
+               SDL_SysWMinfo info;
+               SDL_VERSION(&info.version);
+               if(SDL_GetWMInfo(&info) == 1 && info.subsystem == SDL_SYSWM_X11)
+               {
+                       data = (char *) loadimagepixelsbgra("darkplaces-icon", false, false, false, NULL);
+                       if(data)
+                       {
+                               // use _NET_WM_ICON too
+                               static long netwm_icon[MAX_NETWM_ICON];
+                               int pos = 0;
+                               int i = 1;
+
+                               while(data)
+                               {
+                                       if(pos + 2 * image_width * image_height < MAX_NETWM_ICON)
+                                       {
+                                               netwm_icon[pos++] = image_width;
+                                               netwm_icon[pos++] = image_height;
+                                               for(i = 0; i < image_height; ++i)
+                                                       for(j = 0; j < image_width; ++j)
+                                                               netwm_icon[pos++] = BuffLittleLong((unsigned char *) &data[(i*image_width+j)*4]);
+                                       }
+                                       else
+                                       {
+                                               Con_Printf("Skipping NETWM icon #%d because there is no space left\n", i);
+                                       }
+                                       ++i;
+                                       Mem_Free(data);
+                                       data = (char *) loadimagepixelsbgra(va("darkplaces-icon%d", i), false, false, false, NULL);
+                               }
+
+                               info.info.x11.lock_func();
+                               {
+                                       Atom net_wm_icon = XInternAtom(info.info.x11.display, "_NET_WM_ICON", false);
+                                       XChangeProperty(info.info.x11.display, info.info.x11.wmwindow, net_wm_icon, XA_CARDINAL, 32, PropModeReplace, (const unsigned char *) netwm_icon, pos);
+                               }
+                               info.info.x11.unlock_func();
+                       }
+               }
+       }
+#endif
+}
 
 
 static void VID_SetCaption(void)
@@ -840,8 +1045,9 @@ qboolean VID_InitMode(viddef_mode_t *mode)
 
        video_bpp = mode->bitsperpixel;
        video_flags = flags;
-       VID_SetIcon();
+       VID_SetIcon_Pre();
        screen = SDL_SetVideoMode(mode->width, mode->height, mode->bitsperpixel, flags);
+       VID_SetIcon_Post();
 
        if (screen == NULL)
        {