Painslayer mod for Doom II

Painslayer 1.3.0 update contains full Heretic support and a number of minor features and fixes.

GZDoom 4.10.0 is required.

How to play: Github.com

Copyright and license information: see Readme or COPYRIGHT.txt in the archive.

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Heretic gameplay trailer:

The episode and skill selection menus finally match the Painkiller style of the main menu:

Full changelog

Added

• Full Heretic support out of the box. Note, while playing Heretic, those power-ups that get replaced with Painslayer versions (such as the Tome of Power being replaced with Weapon Modifier) are placed into the inventory bar and can be used at a button press, just like Heretic powerups. (While playing Doom all power-ups are used on pickup, just like in Doom.)
• Implemented Painkiller-styled skill and episode menus to match the main menu.
• Flavor on-screen indicators for active power-ups: bits of helmet for the Antirad Suit, red glow at the bottom for the Weapon Modifier.

Fixed

• Weapon Modifier sound and Golden Cards looped active sounds no longer change pitch if you're using the Dexterity card.
• Fixed incorrect logic for the function that checks all players' inventories in multiplayer (it used to return true even when only one player had the item that was being checked for). This should make with dynamic weapon/ammo spawning more consistent in multiplayer.
• Multiple fixes to Russian localization. Some of the terms now have new RU translations.
• Corpses carried by stakes/bolts will no longer remain stuck in the air if the stake/bolt hit a sky and disappeared.
• Fixed hitscan attack spread to use Doom-like formula instead of a rectangular pattern.
• Grenades and Heater Bombs will now bounce off TERRAIN-defined liquid surfaces instead of disappearing on them.
• Visual rings around power-up pickups should now properly reappear if the power-up is respawned (e.g. in multiplayer).
• All strings are now properly implemented/localized via the LANGUAGE lump.
• Treasure sparkles will now properly disappear as soon as the treasure is picked up.
• Painslayer armor icons are now properly implemented via Gameinfo rather than using a HandlePickup() hack.
• Improved positioning of bullet tracers relative to guns (mainly the Minigun and the Rifle).
• Unequipping the 666 Ammo card will now reset ammo to its default maxamount if it was above it. Previously the ammo would be reset to the exact amount it was before the card was equipped, thus potentially taking away the ammo that was picked up earlier that was still under the default maximum amount.
• Unequipping the Blessing card will now reset health to its default maxamount if it was above it. Previously health would be reset to the exact amount it was before the card was equipped, thus potentially taking away the health that was picked up earlier that was still under the default maximum amount.
• The Blessing card now uses bonushealth rather than modifying the player's maxhealth, so it's not properly considered a health upgrade by GZDoom's systems.
• Added proper dummy sprite definitions for actors that use models.
• Fixed data type errors, int/uint comparisons, etc. for proper GZDoom 4.9+ compatibility.

Changed/Improved

• Soul sprites now always face the player regardless of pitch, so that they don't appear flat when viewed from above or below.
• Refactored and streamlined weapon replacement handling.
• Refactored a lot of code, expanded comments, backported better util functions from my other projects.