vid_menu.c

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/*
Copyright (C) 1997-2001 Id Software, Inc.
 
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
 
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
 
See the GNU General Public License for more details.
 
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.
 
*/
#include "../client/client.h"
#include "../client/qmenu.h"
 
#define REF_SOFT    0
#define REF_OPENGL  1
#define REF_3DFX    2
#define REF_POWERVR 3
#define REF_VERITE  4
 
extern cvar_t *vid_ref;
extern cvar_t *vid_fullscreen;
extern cvar_t *vid_gamma;
extern cvar_t *scr_viewsize;
 
static cvar_t *gl_mode;
static cvar_t *gl_driver;
static cvar_t *gl_picmip;
static cvar_t *gl_ext_palettedtexture;
static cvar_t *gl_finish;
 
static cvar_t *sw_mode;
static cvar_t *sw_stipplealpha;
 
extern void M_ForceMenuOff( void );
 
/*
====================================================================
 
MENU INTERACTION
 
====================================================================
*/
#define SOFTWARE_MENU 0
#define OPENGL_MENU   1
 
static menuframework_s  s_software_menu;
static menuframework_s  s_opengl_menu;
static menuframework_s *s_current_menu;
static int              s_current_menu_index;
 
static menulist_s       s_mode_list[2];
static menulist_s       s_ref_list[2];
static menuslider_s     s_tq_slider;
static menuslider_s     s_screensize_slider[2];
static menuslider_s     s_brightness_slider[2];
static menulist_s       s_fs_box[2];
static menulist_s       s_stipple_box;
static menulist_s       s_paletted_texture_box;
static menulist_s       s_finish_box;
static menuaction_s     s_cancel_action[2];
static menuaction_s     s_defaults_action[2];
 
static void DriverCallback( void *unused )
{
    s_ref_list[!s_current_menu_index].curvalue = s_ref_list[s_current_menu_index].curvalue;
 
    if ( s_ref_list[s_current_menu_index].curvalue == 0 )
    {
        s_current_menu = &s_software_menu;
        s_current_menu_index = 0;
    }
    else
    {
        s_current_menu = &s_opengl_menu;
        s_current_menu_index = 1;
    }
 
}
 
static void ScreenSizeCallback( void *s )
{
    menuslider_s *slider = ( menuslider_s * ) s;
 
    Cvar_SetValue( "viewsize", slider->curvalue * 10 );
}
 
static void BrightnessCallback( void *s )
{
    menuslider_s *slider = ( menuslider_s * ) s;
 
    if ( s_current_menu_index == SOFTWARE_MENU )
        s_brightness_slider[1].curvalue = s_brightness_slider[0].curvalue;
    else
        s_brightness_slider[0].curvalue = s_brightness_slider[1].curvalue;
 
    if ( stricmp( vid_ref->string, "soft" ) == 0 )
    {
        float gamma = ( 0.8 - ( slider->curvalue/10.0 - 0.5 ) ) + 0.5;
 
        Cvar_SetValue( "vid_gamma", gamma );
    }
}
 
static void ResetDefaults( void *unused )
{
    VID_MenuInit();
}
 
static void ApplyChanges( void *unused )
{
    float gamma;
 
    /*
    ** make values consistent
    */
    s_fs_box[!s_current_menu_index].curvalue = s_fs_box[s_current_menu_index].curvalue;
    s_brightness_slider[!s_current_menu_index].curvalue = s_brightness_slider[s_current_menu_index].curvalue;
    s_ref_list[!s_current_menu_index].curvalue = s_ref_list[s_current_menu_index].curvalue;
 
    /*
    ** invert sense so greater = brighter, and scale to a range of 0.5 to 1.3
    */
    gamma = ( 0.8 - ( s_brightness_slider[s_current_menu_index].curvalue/10.0 - 0.5 ) ) + 0.5;
 
    Cvar_SetValue( "vid_gamma", gamma );
    Cvar_SetValue( "sw_stipplealpha", s_stipple_box.curvalue );
    Cvar_SetValue( "gl_picmip", 3 - s_tq_slider.curvalue );
    Cvar_SetValue( "vid_fullscreen", s_fs_box[s_current_menu_index].curvalue );
    Cvar_SetValue( "gl_ext_palettedtexture", s_paletted_texture_box.curvalue );
    Cvar_SetValue( "gl_finish", s_finish_box.curvalue );
    Cvar_SetValue( "sw_mode", s_mode_list[SOFTWARE_MENU].curvalue );
    Cvar_SetValue( "gl_mode", s_mode_list[OPENGL_MENU].curvalue );
 
    switch ( s_ref_list[s_current_menu_index].curvalue )
    {
    case REF_SOFT:
        Cvar_Set( "vid_ref", "soft" );
        break;
    case REF_OPENGL:
        Cvar_Set( "vid_ref", "gl" );
        Cvar_Set( "gl_driver", "opengl32" );
        break;
    case REF_3DFX:
        Cvar_Set( "vid_ref", "gl" );
        Cvar_Set( "gl_driver", "3dfxgl" );
        break;
    case REF_POWERVR:
        Cvar_Set( "vid_ref", "gl" );
        Cvar_Set( "gl_driver", "pvrgl" );
        break;
    case REF_VERITE:
        Cvar_Set( "vid_ref", "gl" );
        Cvar_Set( "gl_driver", "veritegl" );
        break;
    }
 
    /*
    ** update appropriate stuff if we're running OpenGL and gamma
    ** has been modified
    */
    if ( stricmp( vid_ref->string, "gl" ) == 0 )
    {
        if ( vid_gamma->modified )
        {
            vid_ref->modified = true;
            if ( stricmp( gl_driver->string, "3dfxgl" ) == 0 )
            {
                char envbuffer[1024];
                float g;
 
                vid_ref->modified = true;
 
                g = 2.00 * ( 0.8 - ( vid_gamma->value - 0.5 ) ) + 1.0F;
                Com_sprintf( envbuffer, sizeof(envbuffer), "SSTV2_GAMMA=%f", g );
                putenv( envbuffer );
                Com_sprintf( envbuffer, sizeof(envbuffer), "SST_GAMMA=%f", g );
                putenv( envbuffer );
 
                vid_gamma->modified = false;
            }
        }
 
        if ( gl_driver->modified )
            vid_ref->modified = true;
    }
 
    M_ForceMenuOff();
}
 
static void CancelChanges( void *unused )
{
    extern void M_PopMenu( void );
 
    M_PopMenu();
}
 
/*
** VID_MenuInit
*/
void VID_MenuInit( void )
{
    static const char *resolutions[] = 
    {
        "[320 240  ]",
        "[400 300  ]",
        "[512 384  ]",
        "[640 480  ]",
        "[800 600  ]",
        "[960 720  ]",
        "[1024 768 ]",
        "[1152 864 ]",
        "[1280 960 ]",
        "[1600 1200]",
        "[2048 1536]",
        0
    };
    static const char *refs[] =
    {
        "[software      ]",
        "[default OpenGL]",
        "[3Dfx OpenGL   ]",
        "[PowerVR OpenGL]",
//      "[Rendition OpenGL]",
        0
    };
    static const char *yesno_names[] =
    {
        "no",
        "yes",
        0
    };
    int i;
 
    if ( !gl_driver )
        gl_driver = Cvar_Get( "gl_driver", "opengl32", 0 );
    if ( !gl_picmip )
        gl_picmip = Cvar_Get( "gl_picmip", "0", 0 );
    if ( !gl_mode )
        gl_mode = Cvar_Get( "gl_mode", "3", 0 );
    if ( !sw_mode )
        sw_mode = Cvar_Get( "sw_mode", "0", 0 );
    if ( !gl_ext_palettedtexture )
        gl_ext_palettedtexture = Cvar_Get( "gl_ext_palettedtexture", "1", CVAR_ARCHIVE );
    if ( !gl_finish )
        gl_finish = Cvar_Get( "gl_finish", "0", CVAR_ARCHIVE );
 
    if ( !sw_stipplealpha )
        sw_stipplealpha = Cvar_Get( "sw_stipplealpha", "0", CVAR_ARCHIVE );
 
    s_mode_list[SOFTWARE_MENU].curvalue = sw_mode->value;
    s_mode_list[OPENGL_MENU].curvalue = gl_mode->value;
 
    if ( !scr_viewsize )
        scr_viewsize = Cvar_Get ("viewsize", "100", CVAR_ARCHIVE);
 
    s_screensize_slider[SOFTWARE_MENU].curvalue = scr_viewsize->value/10;
    s_screensize_slider[OPENGL_MENU].curvalue = scr_viewsize->value/10;
 
    if ( strcmp( vid_ref->string, "soft" ) == 0 )
    {
        s_current_menu_index = SOFTWARE_MENU;
        s_ref_list[0].curvalue = s_ref_list[1].curvalue = REF_SOFT;
    }
    else if ( strcmp( vid_ref->string, "gl" ) == 0 )
    {
        s_current_menu_index = OPENGL_MENU;
        if ( strcmp( gl_driver->string, "3dfxgl" ) == 0 )
            s_ref_list[s_current_menu_index].curvalue = REF_3DFX;
        else if ( strcmp( gl_driver->string, "pvrgl" ) == 0 )
            s_ref_list[s_current_menu_index].curvalue = REF_POWERVR;
        else if ( strcmp( gl_driver->string, "opengl32" ) == 0 )
            s_ref_list[s_current_menu_index].curvalue = REF_OPENGL;
        else
//          s_ref_list[s_current_menu_index].curvalue = REF_VERITE;
            s_ref_list[s_current_menu_index].curvalue = REF_OPENGL;
    }
 
    s_software_menu.x = viddef.width * 0.50;
    s_software_menu.nitems = 0;
    s_opengl_menu.x = viddef.width * 0.50;
    s_opengl_menu.nitems = 0;
 
    for ( i = 0; i < 2; i++ )
    {
        s_ref_list[i].generic.type = MTYPE_SPINCONTROL;
        s_ref_list[i].generic.name = "driver";
        s_ref_list[i].generic.x = 0;
        s_ref_list[i].generic.y = 0;
        s_ref_list[i].generic.callback = DriverCallback;
        s_ref_list[i].itemnames = refs;
 
        s_mode_list[i].generic.type = MTYPE_SPINCONTROL;
        s_mode_list[i].generic.name = "video mode";
        s_mode_list[i].generic.x = 0;
        s_mode_list[i].generic.y = 10;
        s_mode_list[i].itemnames = resolutions;
 
        s_screensize_slider[i].generic.type = MTYPE_SLIDER;
        s_screensize_slider[i].generic.x        = 0;
        s_screensize_slider[i].generic.y        = 20;
        s_screensize_slider[i].generic.name = "screen size";
        s_screensize_slider[i].minvalue = 3;
        s_screensize_slider[i].maxvalue = 12;
        s_screensize_slider[i].generic.callback = ScreenSizeCallback;
 
        s_brightness_slider[i].generic.type = MTYPE_SLIDER;
        s_brightness_slider[i].generic.x    = 0;
        s_brightness_slider[i].generic.y    = 30;
        s_brightness_slider[i].generic.name = "brightness";
        s_brightness_slider[i].generic.callback = BrightnessCallback;
        s_brightness_slider[i].minvalue = 5;
        s_brightness_slider[i].maxvalue = 13;
        s_brightness_slider[i].curvalue = ( 1.3 - vid_gamma->value + 0.5 ) * 10;
 
        s_fs_box[i].generic.type = MTYPE_SPINCONTROL;
        s_fs_box[i].generic.x   = 0;
        s_fs_box[i].generic.y   = 40;
        s_fs_box[i].generic.name    = "fullscreen";
        s_fs_box[i].itemnames = yesno_names;
        s_fs_box[i].curvalue = vid_fullscreen->value;
 
        s_defaults_action[i].generic.type = MTYPE_ACTION;
        s_defaults_action[i].generic.name = "reset to defaults";
        s_defaults_action[i].generic.x    = 0;
        s_defaults_action[i].generic.y    = 90;
        s_defaults_action[i].generic.callback = ResetDefaults;
 
        s_cancel_action[i].generic.type = MTYPE_ACTION;
        s_cancel_action[i].generic.name = "cancel";
        s_cancel_action[i].generic.x    = 0;
        s_cancel_action[i].generic.y    = 100;
        s_cancel_action[i].generic.callback = CancelChanges;
    }
 
    s_stipple_box.generic.type = MTYPE_SPINCONTROL;
    s_stipple_box.generic.x = 0;
    s_stipple_box.generic.y = 60;
    s_stipple_box.generic.name  = "stipple alpha";
    s_stipple_box.curvalue = sw_stipplealpha->value;
    s_stipple_box.itemnames = yesno_names;
 
    s_tq_slider.generic.type    = MTYPE_SLIDER;
    s_tq_slider.generic.x       = 0;
    s_tq_slider.generic.y       = 60;
    s_tq_slider.generic.name    = "texture quality";
    s_tq_slider.minvalue = 0;
    s_tq_slider.maxvalue = 3;
    s_tq_slider.curvalue = 3-gl_picmip->value;
 
    s_paletted_texture_box.generic.type = MTYPE_SPINCONTROL;
    s_paletted_texture_box.generic.x    = 0;
    s_paletted_texture_box.generic.y    = 70;
    s_paletted_texture_box.generic.name = "8-bit textures";
    s_paletted_texture_box.itemnames = yesno_names;
    s_paletted_texture_box.curvalue = gl_ext_palettedtexture->value;
 
    s_finish_box.generic.type = MTYPE_SPINCONTROL;
    s_finish_box.generic.x  = 0;
    s_finish_box.generic.y  = 80;
    s_finish_box.generic.name   = "sync every frame";
    s_finish_box.curvalue = gl_finish->value;
    s_finish_box.itemnames = yesno_names;
 
    Menu_AddItem( &s_software_menu, ( void * ) &s_ref_list[SOFTWARE_MENU] );
    Menu_AddItem( &s_software_menu, ( void * ) &s_mode_list[SOFTWARE_MENU] );
    Menu_AddItem( &s_software_menu, ( void * ) &s_screensize_slider[SOFTWARE_MENU] );
    Menu_AddItem( &s_software_menu, ( void * ) &s_brightness_slider[SOFTWARE_MENU] );
    Menu_AddItem( &s_software_menu, ( void * ) &s_fs_box[SOFTWARE_MENU] );
    Menu_AddItem( &s_software_menu, ( void * ) &s_stipple_box );
 
    Menu_AddItem( &s_opengl_menu, ( void * ) &s_ref_list[OPENGL_MENU] );
    Menu_AddItem( &s_opengl_menu, ( void * ) &s_mode_list[OPENGL_MENU] );
    Menu_AddItem( &s_opengl_menu, ( void * ) &s_screensize_slider[OPENGL_MENU] );
    Menu_AddItem( &s_opengl_menu, ( void * ) &s_brightness_slider[OPENGL_MENU] );
    Menu_AddItem( &s_opengl_menu, ( void * ) &s_fs_box[OPENGL_MENU] );
    Menu_AddItem( &s_opengl_menu, ( void * ) &s_tq_slider );
    Menu_AddItem( &s_opengl_menu, ( void * ) &s_paletted_texture_box );
    Menu_AddItem( &s_opengl_menu, ( void * ) &s_finish_box );
 
    Menu_AddItem( &s_software_menu, ( void * ) &s_defaults_action[SOFTWARE_MENU] );
    Menu_AddItem( &s_software_menu, ( void * ) &s_cancel_action[SOFTWARE_MENU] );
    Menu_AddItem( &s_opengl_menu, ( void * ) &s_defaults_action[OPENGL_MENU] );
    Menu_AddItem( &s_opengl_menu, ( void * ) &s_cancel_action[OPENGL_MENU] );
 
    Menu_Center( &s_software_menu );
    Menu_Center( &s_opengl_menu );
    s_opengl_menu.x -= 8;
    s_software_menu.x -= 8;
}
 
/*
================
VID_MenuDraw
================
*/
void VID_MenuDraw (void)
{
    int w, h;
 
    if ( s_current_menu_index == 0 )
        s_current_menu = &s_software_menu;
    else
        s_current_menu = &s_opengl_menu;
 
    /*
    ** draw the banner
    */
    re.DrawGetPicSize( &w, &h, "m_banner_video" );
    re.DrawPic( viddef.width / 2 - w / 2, viddef.height /2 - 110, "m_banner_video" );
 
    /*
    ** move cursor to a reasonable starting position
    */
    Menu_AdjustCursor( s_current_menu, 1 );
 
    /*
    ** draw the menu
    */
    Menu_Draw( s_current_menu );
}
 
/*
================
VID_MenuKey
================
*/
const char *VID_MenuKey( int key )
{
    menuframework_s *m = s_current_menu;
    static const char *sound = "misc/menu1.wav";
 
    switch ( key )
    {
    case K_ESCAPE:
        ApplyChanges( 0 );
        return NULL;
    case K_KP_UPARROW:
    case K_UPARROW:
        m->cursor--;
        Menu_AdjustCursor( m, -1 );
        break;
    case K_KP_DOWNARROW:
    case K_DOWNARROW:
        m->cursor++;
        Menu_AdjustCursor( m, 1 );
        break;
    case K_KP_LEFTARROW:
    case K_LEFTARROW:
        Menu_SlideItem( m, -1 );
        break;
    case K_KP_RIGHTARROW:
    case K_RIGHTARROW:
        Menu_SlideItem( m, 1 );
        break;
    case K_KP_ENTER:
    case K_ENTER:
        if ( !Menu_SelectItem( m ) )
            ApplyChanges( NULL );
        break;
    }
 
    return sound;
}