boom3 - models for VR, remove experimental from uzdoom and eduke32 (#2174)

* Add boom3/pak399 note for missing hands in VR mode

* Remove expiremental for eduke32 and UZDoom

dist/info/boom3_libretro.info

@@ -31,4 +31,11 @@ disk_control = "false"
 is_experimental = "false"
 database = "Doom 3"
 
+# BIOS/Firmware
+firmware_count = 1
+firmware0_desc = "VR texture and model additions"
+firmware0_path = "boom3/pak399.pk4"
+firmware0_opt = "true"
+notes = "(!) You need pak399.pk4 file in 'system/boom3' for VR mode, otherwise hands are missing."
+
 description = "A source port of the Doom 3 engine to libretro. This release does not contain any game data, which is still covered by the original EULA and must be obeyed as usual. Unpatched retail 1.0/1.1 disc data, 1.3.1-patched data, the Steam/GOG/Humble releases, Resurrrection of Evil and the free demo are all supported."

dist/info/eduke32_libretro.info

@@ -27,7 +27,7 @@ load_subsystem = "false"
 hw_render = "true"
 needs_fullpath = "true"
 disk_control = "false"
-is_experimental = "true"
+is_experimental = "false"
 notes = "(!) EDuke32 requires compatible game data such as DUKE3D.GRP.|(!) Supports Duke Nukem 3D expansions, custom maps, CON scripts and community modifications.|(!) Hardware rendering requires a compatible graphics backend."
 
 description = "A libretro port of EDuke32, an advanced open-source source port of the Build engine used by Duke Nukem 3D. EDuke32 provides enhanced compatibility with Duke Nukem 3D, its expansions and numerous community-created modifications. Features include high-resolution graphics, improved rendering, widescreen support, advanced scripting through CON, custom maps, enhanced audio, modern input handling and hardware-accelerated OpenGL rendering. BUILD engine technology originally created by Ken Silverman, non-GPL rendering and engine technology used in EDuke32 available under BUILDLIC."

dist/info/uzdoom_libretro.info

@@ -27,7 +27,7 @@ load_subsystem = "false"
 hw_render = "true"
 needs_fullpath = "true"
 disk_control = "false"
-is_experimental = "true"
+is_experimental = "false"
 notes = "(!) UZDoom requires a compatible DOOM IWAD such as doom.wad, doom2.wad, plutonia.wad or tnt.wad.|(!) Supports advanced mods and custom content in WAD, PK3 and PK7 formats.|(!) Hardware rendering requires a compatible graphics backend."
 
 description = "A libretro port of UZDoom, a modern, feature-rich source port of the classic DOOM engine and a continuation of ZDoom and GZDoom. UZDoom supports DOOM, DOOM II, Final DOOM and numerous custom games and modifications. Features include high-resolution graphics, dynamic lighting, 3D floors, advanced scripting, extensive modding capabilities and modern OpenGL and Vulkan rendering."