slider_resolution.qc

Go to the documentation of this file.

#include "slider_resolution.qh"

/* private static */ float XonoticResolutionSlider_DataHasChanged;
/* attrib */ float vid_conwidth;
/* attrib */ float vid_conheight;

// Updates cvars (to be called by menu.qc at startup or on detected res change)
float updateConwidths(float width, float height, float pixelheight)
{
    vector r, c;
    float minfactor, maxfactor;
    float sz, f;

    sz = cvar("menu_vid_scale");
    if (sz < -1)
        return 0;  // No recalculation.

    // Save off current settings.
    cvar_set("_menu_vid_width", ftos(width));
    cvar_set("_menu_vid_height", ftos(height));
    cvar_set("_menu_vid_pixelheight", ftos(pixelheight));
    cvar_set("_menu_vid_desktopfullscreen", cvar_string("vid_desktopfullscreen"));

    // engine is handling conwidth calculations!
    if((cvar_type("vid_conwidthauto") & CVAR_TYPEFLAG_ENGINE) && cvar("vid_conwidthauto"))
    {
        if(vid_conwidth != cvar("vid_conwidth") || vid_conheight != cvar("vid_conheight"))
        {
            // Please reload resolutions list and such stuff.
            XonoticResolutionSlider_DataHasChanged = true;
            vid_conwidth = cvar("vid_conwidth");
            vid_conheight = cvar("vid_conheight");
            return 1;
        }
        return 0; // No recalculation
    }

    r_x = width;
    r_y = height;
    r_z = pixelheight;

    // calculate the base resolution
    c_z = 0;
    c_x = 800;
    c_y = c.x * r.y * r.z / r.x;
    if(c.y < 600)
    {
        c_y = 600;
        c_x = c.y * r.x / (r.y * r.z);
    }

    f = min(r.x / c.x, r.y / c.y);
    if(f < 1)
        c = c * f; // ensures that c_x <= r_x and c_y <= r_y

    minfactor = min(1, 640 / c.x);            // can be > 1 only if c_x is <640
    maxfactor = max(1, r.x / c.x, r.y / c.y); // can be < 1 only if r_x < c_x and r_y < c_y
    LOG_TRACE("min factor: ", ftos(minfactor));
    LOG_TRACE("max factor: ", ftos(maxfactor));

    if(sz < 0)
        f = 1 - (maxfactor - 1) * sz;
    else if(sz > 0)
        f = 1 + (minfactor - 1) * sz;
    else
        f = 1;
    c = c * f; // fteqcc fail

    c_x = rint(c.x);
    c_y = rint(c.y);

    // Please reload resolutions list and such stuff.
    XonoticResolutionSlider_DataHasChanged = true;

    if (c.x != cvar("vid_conwidth") || c.y != cvar("vid_conheight"))
    {
        cvar_set("vid_conwidth", ftos(c.x));
        cvar_set("vid_conheight", ftos(c.y));
        return 1;
    }
    return 0;
}
entity makeXonoticResolutionSlider()
{
    entity me;
    me = NEW(XonoticResolutionSlider);
    me.configureXonoticResolutionSlider(me);
    return me;
}
void XonoticResolutionSlider_addResolution(entity me, float w, float h, float pixelheight)
{
    if (me.maxAllowedWidth && w > me.maxAllowedWidth)
        return;
    if (me.maxAllowedHeight && h > me.maxAllowedHeight)
        return;
    float i;
    for (i = 0; i < me.nValues; ++i)
    {
        tokenize_console(me.valueToIdentifier(me, i));
        if (w > stof(argv(0))) continue;
        if (w < stof(argv(0))) break;
        if (h > stof(argv(1))) continue;
        if (h < stof(argv(1))) break;
        if (pixelheight > stof(argv(2)) + 0.01) continue;
        if (pixelheight < stof(argv(2)) - 0.01) break;
        return;  // already there
    }
    if (pixelheight != 1)
    {
        float aspect = w / (h * pixelheight);
        float bestdenom = rint(aspect);
        float bestnum = 1;
        float denom;
        for (denom = 2; denom < 10; ++denom) {
            float num = rint(aspect * denom);
            if (fabs(num / denom - aspect) < fabs(bestnum / bestdenom - aspect))
            {
                bestnum = num;
                bestdenom = denom;
            }
        }
        me.insertValue(me, i, strzone(sprintf("%dx%d (%d:%d)", w, h, bestnum, bestdenom)), strzone(strcat(ftos(w), " ", ftos(h), " ", ftos(pixelheight))));
    }
    else
        me.insertValue(me, i, strzone(sprintf("%dx%d", w, h)), strzone(strcat(ftos(w), " ", ftos(h), " ", ftos(pixelheight))));
}
float autocvar_menu_vid_allowdualscreenresolution;
void XonoticResolutionSlider_configureXonoticResolutionSlider(entity me)
{
    me.configureXonoticTextSlider(me, "_menu_vid_width",
        _("Screen resolution"));
    me.loadResolutions(me, cvar("vid_fullscreen"));
}
void XonoticResolutionSlider_loadResolutions(entity me, float fullscreen)
{
    float i;
    vector r;

    // HACK: text slider assumes the strings are constants, so clearValues
    // will not unzone them
    for(i = 0; i < me.nValues; ++i)
    {
        strunzone(me.valueToIdentifier(me, i));
        strunzone(me.valueToText(me, i));
    }
    // NOW we can safely clear.
    me.clearValues(me);
    me.maxAllowedWidth = 0;
    me.maxAllowedHeight = 0;

    if (fullscreen)
    {
        for(i = 0;; ++i)
        {
            r = getresolution(i);
            if(r_x == 0 && r_y == 0)
                break;
            if(r.x < 640 || r.y < 480)
                continue;
            if(r.x > 2 * r.y) // likely dualscreen resolution, skip this one
                if(autocvar_menu_vid_allowdualscreenresolution <= 0)
                    continue;
            me.addResolution(me, r.x, r.y, r.z);
        }
        r = getresolution(-1);
        if(r.x != 0 || r.y != 0)
            me.addResolution(me, r.x, r.y, r.z);
        LOG_TRACE("Added system resolutions.");
    }

    if(me.nValues == 0)
    {
        // Get workarea.
        r = getresolution(-2);
        // If workarea is not supported, get desktop size.
        if(r.x == 0 && r.y == 0)
            r = getresolution(-1);

        // Add it, and limit all other resolutions to the workarea/desktop size.
        if(r.x != 0 || r.y != 0)
        {
            me.maxAllowedWidth = r.x;
            me.maxAllowedHeight = r.y;
            me.addResolution(me, r.x, r.y, r.z);
        }

        // Add nice hardcoded defaults.
        me.addResolution(me, 640, 480, 1); // pc res
#if 0
        me.addResolution(me, 720, 480, 1.125); // DVD NTSC 4:3
        me.addResolution(me, 720, 576, 0.9375); // DVD PAL 4:3
        me.addResolution(me, 720, 480, 0.84375); // DVD NTSC 16:9
        me.addResolution(me, 720, 576, 0.703125); // DVD PAL 16:9
#endif
        me.addResolution(me, 800, 480, 1); // 480p at 1:1 pixel aspect
        me.addResolution(me, 800, 600, 1); // pc res
        me.addResolution(me, 1024, 600, 1); // notebook res
        me.addResolution(me, 1024, 768, 1); // pc res
        me.addResolution(me, 1280, 720, 1); // 720p
        me.addResolution(me, 1280, 960, 1); // pc res
        me.addResolution(me, 1280, 1024, 1); // pc res
        me.addResolution(me, 1920, 1080, 1); // 1080p
        LOG_TRACE("Added default resolutions.");
    }
    LOG_TRACE("Total number of resolutions detected: ", ftos(me.nValues));

    me.vid_fullscreen = fullscreen;

    me.configureXonoticTextSliderValues(me);
}
void XonoticResolutionSlider_loadCvars(entity me)
{
    me.setValueFromIdentifier_noAnim(me, strcat(cvar_string("_menu_vid_width"), " ", cvar_string("_menu_vid_height"), " ", cvar_string("_menu_vid_pixelheight")));
}
void XonoticResolutionSlider_saveCvars(entity me)
{
    if(me.value >= 0 || me.value < me.nValues)
    {
        tokenize_console(me.getIdentifier(me));
        cvar_set("_menu_vid_width", argv(0));
        cvar_set("_menu_vid_height", argv(1));
        cvar_set("_menu_vid_pixelheight", argv(2));
        vector r = getresolution(-1);
        if (stof(argv(0)) == r.x && stof(argv(1)) == r.y && fabs(stof(argv(2)) - r.z) < 0.01)
            cvar_set("_menu_vid_desktopfullscreen", "1");
        else
            cvar_set("_menu_vid_desktopfullscreen", "0");
    }
}
void XonoticResolutionSlider_draw(entity me)
{
    if (cvar("vid_fullscreen") != me.vid_fullscreen)
    {
        me.loadResolutions(me, cvar("vid_fullscreen"));
        XonoticResolutionSlider_DataHasChanged = true;
    }
    if (XonoticResolutionSlider_DataHasChanged)
    {
        XonoticResolutionSlider_DataHasChanged = false;
        me.loadCvars(me);
    }
    SUPER(XonoticResolutionSlider).draw(me);
}