powerups.qc

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#include "powerups.qh"

#include <client/draw.qh>
#include <common/items/_mod.qh>
#include <common/util.qh>

// Powerups (#2)

void HUD_Powerups_Export(int fh)
{
    // allow saving cvars that aesthetically change the panel into hud skin files
    HUD_Write_Cvar("hud_panel_powerups_iconalign");
    HUD_Write_Cvar("hud_panel_powerups_baralign");
    HUD_Write_Cvar("hud_panel_powerups_progressbar");
    HUD_Write_Cvar("hud_panel_powerups_text");
}

// Powerup item fields (reusing existing fields)
.string message;  // Human readable name
.string netname;  // Icon name
.vector colormod; // Color
.float count;     // Time left
.float lifetime;  // Maximum time
.float cnt;       // Infinite timer

entity powerupItems;
int powerupItemsCount;

void resetPowerupItems()
{
    entity item;
    for(item = powerupItems; item; item = item.chain)
        item.count = 0;

    powerupItemsCount = 0;
}

void addPowerupItem(string name, string icon, vector color, float currentTime, float lifeTime, bool isInfinite)
{
    if(!powerupItems)
        powerupItems = spawn();

    entity item;
    for(item = powerupItems; item.count; item = item.chain)
        if(!item.chain)
            item.chain = spawn();

    item.message  = name;
    item.netname  = icon;
    item.colormod = color;
    item.count    = currentTime;
    item.lifetime = lifeTime;
    item.cnt      = isInfinite;

    ++powerupItemsCount;
}

int getPowerupItemAlign(int align, int column, int row, int columns, int rows, bool isVertical)
{
    TC(int, align); TC(int, column); TC(int, row); TC(int, columns); TC(int, rows); TC(bool, isVertical);
    if(align < 2)
        return align;

    bool isTop    =  isVertical && rows > 1 && row == 0;
    bool isBottom =  isVertical && rows > 1 && row == rows-1;
    bool isLeft   = !isVertical && columns > 1 && column == 0;
    bool isRight  = !isVertical && columns > 1 && column == columns-1;

    if(isTop    || isLeft)  return (align == 2) ? 1 : 0;
    if(isBottom || isRight) return (align == 2) ? 0 : 1;

    return 2;
}

void HUD_Powerups()
{
    // Initialize items
    if(!autocvar__hud_configure)
    {
        if((!autocvar_hud_panel_powerups) || (spectatee_status == -1))
            return;
        if(STAT(HEALTH) <= 0 && autocvar_hud_panel_powerups_hide_ondeath)
            return;
    }

    // Add items to linked list
    resetPowerupItems();

    MUTATOR_CALLHOOK(HUD_Powerups_add);

    if(!powerupItemsCount)
        return;

    // Draw panel background
    HUD_Panel_LoadCvars();

    if (autocvar_hud_panel_powerups_dynamichud)
        HUD_Scale_Enable();
    else
        HUD_Scale_Disable();
    HUD_Panel_DrawBg();

    // Set drawing area
    vector pos = panel_pos;
    vector size = panel_size;
    bool isVertical = size.y > size.x;

    if(panel_bg_padding)
    {
        pos += '1 1 0' * panel_bg_padding;
        size -= '2 2 0' * panel_bg_padding;
    }

    // Find best partitioning of the drawing area
    const float DESIRED_ASPECT = 6;
    float aspect = 0, a;
    int columns = 0, c;
    int rows = 0, r;
    int i = 1;

    do
    {
        c = floor(powerupItemsCount / i);
        r = ceil(powerupItemsCount / c);
        a = isVertical ? (size.y/r) / (size.x/c) : (size.x/c) / (size.y/r);

        if(i == 1 || fabs(DESIRED_ASPECT - a) < fabs(DESIRED_ASPECT - aspect))
        {
            aspect = a;
            columns = c;
            rows = r;
        }
    }
    while(++i <= powerupItemsCount);

    // Prevent single items from getting too wide
    if(powerupItemsCount == 1 && aspect > DESIRED_ASPECT)
    {
        if(isVertical)
        {
            size.y *= 0.5;
            pos.y += size.y * 0.5;
        }
        else
        {
            size.x *= 0.5;
            pos.x += size.x * 0.5;
        }
    }

    // Draw items from linked list
    vector itemPos = pos;
    vector itemSize = vec2(size.x / columns, size.y / rows);
    vector textColor = '1 1 1';

    int fullSeconds = 0;
    int align = 0;
    int column = 0;
    int row = 0;

    draw_beginBoldFont();
    for(entity item = powerupItems; item.count; item = item.chain)
    {
        itemPos = vec2(pos.x + column * itemSize.x, pos.y + row * itemSize.y);

        // Draw progressbar
        if(autocvar_hud_panel_powerups_progressbar)
        {
            align = getPowerupItemAlign(autocvar_hud_panel_powerups_baralign, column, row, columns, rows, isVertical);
            HUD_Panel_DrawProgressBar(itemPos, itemSize, "progressbar", item.count / item.lifetime, isVertical, align, item.colormod, autocvar_hud_progressbar_alpha * panel_fg_alpha, DRAWFLAG_NORMAL);
        }

        // Draw icon and text
        if(autocvar_hud_panel_powerups_text)
        {
            align = getPowerupItemAlign(autocvar_hud_panel_powerups_iconalign, column, row, columns, rows, isVertical);
            fullSeconds = ceil(item.count);
            textColor = '0.6 0.6 0.6' + (item.colormod * 0.4);

            if(item.cnt)
                DrawNumIcon(itemPos, itemSize, fullSeconds, item.netname, isVertical, true, align, textColor, panel_fg_alpha);
            else
            {
                if(item.count > 1)
                    DrawNumIcon(itemPos, itemSize, fullSeconds, item.netname, isVertical, false, align, textColor, panel_fg_alpha);
                if(item.count <= 5)
                    DrawNumIcon_expanding(itemPos, itemSize, fullSeconds, item.netname, isVertical, false, align, textColor, panel_fg_alpha, bound(0, (fullSeconds - item.count) / 0.5, 1));
            }
        }

        // Determine next section
        if(isVertical)
        {
            if(++column >= columns)
            {
                column = 0;
                ++row;
            }
        }
        else
        {
            if(++row >= rows)
            {
                row = 0;
                ++column;
            }
        }
    }
    draw_endBoldFont();
}