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Automatic layout for ammo images in alternative HUD

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When ammo icon is displayed before text its position depends on number of digits in current and maximum amounts
This commit is contained in:
alexey.lysiuk 2016-07-17 12:11:43 +03:00 committed by Christoph Oelckers
parent f67243a40f
commit f38f7adf17
1 changed files with 40 additions and 2 deletions
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42
src/g_shared/shared_hud.cpp
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@ -539,6 +539,38 @@ static void AddAmmoToList(AWeapon * weapdef)
}
}
static int GetDigitCount(int value)
{
int digits = 0;
do
{
value /= 10;
++digits;
}
while (0 != value);
return digits;
}
static void GetAmmoTextLengths(player_t *CPlayer, int& ammocur, int& ammomax)
{
for (auto type : orderedammos)
{
AAmmo * ammoitem = static_cast<AAmmo*>(CPlayer->mo->FindInventory(type));
AAmmo * inv = nullptr == ammoitem
? static_cast<AAmmo*>(GetDefaultByType(type))
: ammoitem;
assert(nullptr != inv);
ammocur = MAX(ammocur, nullptr == ammoitem ? 0 : ammoitem->Amount);
ammomax = MAX(ammomax, inv->MaxAmount);
}
ammocur = GetDigitCount(ammocur);
ammomax = GetDigitCount(ammomax);
}
static int DrawAmmo(player_t *CPlayer, int x, int y)
{
@ -586,7 +618,13 @@ static int DrawAmmo(player_t *CPlayer, int x, int y)
// ok, we got all ammo types. Now draw the list back to front (bottom to top)
int def_width = ConFont->StringWidth("000/000");
int ammocurlen = 0;
int ammomaxlen = 0;
GetAmmoTextLengths(CPlayer, ammocurlen, ammomaxlen);
mysnprintf(buf, countof(buf), "%0*d/%0*d", ammocurlen, 0, ammomaxlen, 0);
int def_width = ConFont->StringWidth(buf);
int yadd = ConFont->GetHeight();
int xtext = x - def_width;
@ -618,7 +656,7 @@ static int DrawAmmo(player_t *CPlayer, int x, int y)
int maxammo = inv->MaxAmount;
int ammo = ammoitem? ammoitem->Amount : 0;
mysnprintf(buf, countof(buf), "%3d/%3d", ammo, maxammo);
mysnprintf(buf, countof(buf), "%*d/%*d", ammocurlen, ammo, ammomaxlen, maxammo);
int tex_width= clamp<int>(ConFont->StringWidth(buf)-def_width, 0, 1000);