playlist.qc

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#include "playlist.qh"

entity makeXonoticPlayList()
{
    entity me;
    me = NEW(XonoticPlayList);
    me.configureXonoticPlayList(me);
    return me;
}

void XonoticPlayList_configureXonoticPlayList(entity me)
{
    me.nItems = tokenize_console(cvar_string("music_playlist_list0"));
    me.configureXonoticListBox(me);
}

void XonoticPlayList_resizeNotify(entity me, vector relOrigin, vector relSize, vector absOrigin, vector absSize)
{
    me.itemAbsSize = '0 0 0';
    SUPER(XonoticPlayList).resizeNotify(me, relOrigin, relSize, absOrigin, absSize);

    me.itemAbsSize.y = absSize.y * me.itemHeight;
    me.itemAbsSize.x = absSize.x * (1 - me.controlWidth);
    me.realFontSize.y = me.fontSize / me.itemAbsSize.y;
    me.realFontSize.x = me.fontSize / me.itemAbsSize.x;
    me.realUpperMargin = 0.5 * (1 - me.realFontSize.y);

    me.columnNumberOrigin = 0;
    me.columnNumberSize = 3 * me.realFontSize.x;

    me.columnNameOrigin = me.columnNumberSize + me.realFontSize.x;
    me.columnNameSize = 1 - me.columnNameOrigin - me.realFontSize.x;
}

void XonoticPlayList_addToPlayList(entity me, string track)
{
    me.nItems = tokenize_console(cvar_string("music_playlist_list0"));
    if(me.nItems == 0)
    {
        cvar_set("music_playlist_list0", track);
        return;
    }
    float i;
    for(i = 0; i < me.nItems; ++i)
    {
        if(argv(i) == track)
            return; // track is already in playlist
    }
    cvar_set("music_playlist_list0", strcat(cvar_string("music_playlist_list0"), " ", track));
}

void XonoticPlayList_removeSelectedFromPlayList(entity me)
{
    float i, cpt = false;
    string s = "";
    me.nItems = tokenize_console(cvar_string("music_playlist_list0"));
    if(me.nItems == 0)
        return;
    for(i = 0; i < me.nItems; ++i)
    {
        if(i == me.selectedItem)
        {
            if(i == me.nItems - 1)
                me.setSelected(me, me.selectedItem - 1);
            if(cvar("music_playlist_index") == 0 || cvar("music_playlist_index") == 999)
            {
                if(cvar("music_playlist_current0") == i)
                    cpt = true; // current playing track (we can't start next track here because startSound calls tokenize_console)
                else if(cvar("music_playlist_current0") > i)
                    cvar_set("music_playlist_current0", ftos(cvar("music_playlist_current0") - 1));
            }
            continue;
        }
        s = strcat(s, " ", argv(i));
    }
    // we must stop the current playing track if it has been removed
    // otherwise pause/play button will resume from another track
    if(s == "")
    {
        cvar_set("music_playlist_list0", "");
        if(cpt)
            me.stopSound(me);
    }
    else
    {
        cvar_set("music_playlist_list0", substring(s, 1, strlen(s))); // remove initial space
        if(cpt)
            me.startSound(me, 0);
    }
}

void PlayList_Remove(entity btn, entity me)
{
    me.removeSelectedFromPlayList(me);
}

void PlayList_Remove_All(entity btn, entity me)
{
    cvar_set("music_playlist_list0", "");
    me.stopSound(me);
    me.selectedItem = 0;
}

float XonoticPlayList_mouseDrag(entity me, vector pos)
{
    float f, i;
    i = me.selectedItem;
    f = SUPER(XonoticPlayList).mouseDrag(me, pos);

    if(me.pressed != 1) // don't change priority if the person is just scrolling
    {
        if(me.selectedItem != i)
        {
            cvar_set("music_playlist_list0", swapInPriorityList(cvar_string("music_playlist_list0"), me.selectedItem, i));
            float c = cvar("music_playlist_current0");
            if(c == i)
                cvar_set("music_playlist_current0", ftos(me.selectedItem));
            else if(c == me.selectedItem)
                cvar_set("music_playlist_current0", ftos(i));
        }
    }

    return f;
}

void XonoticPlayList_draw(entity me)
{
    me.nItems = tokenize_console(cvar_string("music_playlist_list0"));
    if(cvar("music_playlist_index") == 0 || cvar("music_playlist_index") == 999)
        me.playingTrack = cvar("music_playlist_current0");
    else
        me.playingTrack = -1;
    SUPER(XonoticPlayList).draw(me);
}

void XonoticPlayList_drawListBoxItem(entity me, int i, vector absSize, bool isSelected, bool isFocused)
{
    string s;
    if(isSelected)
        draw_Fill('0 0 0', '1 1 0', SKINCOLOR_LISTBOX_SELECTED, SKINALPHA_LISTBOX_SELECTED);
    else if(isFocused)
    {
        me.focusedItemAlpha = getFadedAlpha(me.focusedItemAlpha, SKINALPHA_LISTBOX_FOCUSED, SKINFADEALPHA_LISTBOX_FOCUSED);
        draw_Fill('0 0 0', '1 1 0', SKINCOLOR_LISTBOX_FOCUSED, me.focusedItemAlpha);
    }

    if(i == me.playingTrack)
    {
        float f = cvar("music_playlist_sampleposition0");
        // display Play symbol: Unicode char U+25B6: Black Right-Pointing Triangle
        if(f <= 0 || (((time * 2) & 1) && f > 0))
            draw_Text(me.realUpperMargin * eY + (me.columnNumberOrigin + me.columnNumberSize) * eX, "\xE2\x96\xB6", me.realFontSize, '1 1 1', SKINALPHA_TEXT, 0);
    }

    s = ftos(i+1);
    draw_CenterText(me.realUpperMargin * eY + (me.columnNumberOrigin + 0.5 * me.columnNumberSize) * eX, s, me.realFontSize, '1 1 1', SKINALPHA_TEXT, 0);

    s = draw_TextShortenToWidth(argv(i), me.columnNameSize, 0, me.realFontSize);
    draw_Text(me.realUpperMargin * eY + me.columnNameOrigin * eX, s, me.realFontSize, '1 1 1', SKINALPHA_TEXT, 0);
}

void XonoticPlayList_stopSound(entity me)
{
    // STOP: list 0 is disabled by setting the index to -1
    // we set sampleposition0 to 0 to forget the position that the engine saves in this frame (for this reason we need to wait a frame)
    if(cvar("music_playlist_index") == 0 || cvar("music_playlist_index") == 999)
    {
        cvar_set("music_playlist_index", "-1");
        localcmd("\nwait; music_playlist_sampleposition0 0\n");
        localcmd("\ndefer 3 \"cd play $menu_cdtrack\"\n");
    }
}

void StopSound_Click(entity btn, entity me)
{
    me.stopSound(me);
}

void XonoticPlayList_startSound(entity me, float offset)
{
    float f;
    me.nItems = tokenize_console(cvar_string("music_playlist_list0"));
    if(offset)
    {
        if(cvar("music_playlist_index") == -1)
            return;
        f = bound(0, cvar("music_playlist_current0") + offset, me.nItems - 1);
        if(f == cvar("music_playlist_current0"))
            return;
    }
    else
    {
        f = me.selectedItem;
        // if it was paused then resume
        if(f == cvar("music_playlist_current0"))
        if(cvar("music_playlist_index") == 999)
        {
            me.resumeSound(me);
            return;
        }
        // if it was not paused then proceed with restart
    }

    // START: list 0 is disabled by setting the index to 999
    // we set current0 to the selected track and sampleposition0 to 0 to forget the position that the engine saves in this frame (for this reason we need to wait a frame)
    // then we switch back to list 0
    cvar_set("music_playlist_index", "999");
    cvar_set("music_playlist_current0", ftos(f));
    localcmd("\nwait; music_playlist_sampleposition0 0; wait; music_playlist_index 0\n");
}

void StartSound_Click(entity btn, entity me)
{
    me.startSound(me, 0);
}

void PrevSound_Click(entity btn, entity me)
{
    me.startSound(me, -1);
}

void NextSound_Click(entity btn, entity me)
{
    me.startSound(me, +1);
}

void XonoticPlayList_resumeSound(entity me)
{
    // RESUME: list 0 is enabled by setting the index to 0
    // (we reset sampleposition0 to 0 to mark the track as in playing back state)
    if(cvar("music_playlist_index") == 999)
        localcmd("\nmusic_playlist_index 0; wait; music_playlist_sampleposition0 0\n");
}
void XonoticPlayList_pauseSound(entity me)
{
    // PAUSE: list 0 is disabled by setting the index to 999
    // (we know the track is paused because the engine sets sampleposition0 to remember current position)
    if(cvar("music_playlist_index") == 0)
        localcmd("\nmusic_playlist_index 999\n");
    else me.resumeSound(me);
}

void PauseSound_Click(entity btn, entity me)
{
    me.pauseSound(me);
}

void XonoticPlayList_doubleClickListBoxItem(entity me, float i, vector where)
{
    me.startSound(me, 0);
}

float XonoticPlayList_keyDown(entity me, float scan, float ascii, float shift)
{
    if(scan == K_ENTER || scan == K_KP_ENTER) {
        me.startSound(me, 0);
        return 1;
    }
    else if(scan == K_SPACE) {
        me.pauseSound(me);
        return 1;
    }
    else if(scan == K_DEL || scan == K_KP_DEL || scan == K_BACKSPACE || scan == K_MOUSE3) {
        me.removeSelectedFromPlayList(me);
        return 1;
    }
    else
        return SUPER(XonoticPlayList).keyDown(me, scan, ascii, shift);
}