GoldSrc (25th anniversary)

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Half-Life's 25th-anniversary update Increased engine limits, added Steam deck support and broke some mods but some were fixed through updates.

Screenshot in-game of Half-Life, using Rudimentary Shadows.

Screenshot in-game of Half-Life.

Features

• Steam deck support
• Steam Input support - Steam Input support was added to the game with the Half-Life's 25th Anniversary update, which allows the game to support more controllers and buttons.
• Rudimentary Shadows

Note:To enables Rudimentary Shadows r_shadows must be set to 1

• Software Renderer support on Linux
• Cycler and func_button entities can now be the entity target for scripted_sentence entities, and are allowed to speak in multiplayer.
• Incorporated func_vehicle entity support from Counter-Strike, for mod-makers to use.
• Increased engine limits - Valve has increased engine limitations, allowing for more entities and detailed maps.
• Various bugs fixed - A large amount of bugs has been fixed, including the view bobbing present in the retail version of Half-Life, which was previously broken.

Engine
Limits	GoldSrc Pre-25th	GoldSrc Post-25th	Xash3D	Svengine
Maximum number of dynamic sound channels	8	32	64	N/A
Default max number of server entities (MAX_EDICTS)	900	1200	600 - 8192	8192
Absolute max number of server entities (via liblist.gam edits)	2048	2048	8192	N/A
Maximum number of temporary entities (MAX_TEMPENTS)	500	N/A	300 - 2048	N/A
Maximum number of particles (MAX_PARTICLES)	4096	N/A	1024 - 131072	N/A
Maximum number of beams (MAX_BEAMS)	64	N/A	64 - 512	256
Maximum number of visible entities in the package (MAX_VISIBLE_PACKET)	256	1024	2048	N/A
Maximum number of pre-cacheable models and sprites (MAX_MODELS)	512	N/A	1024 (4096 in FWGS)	8192
Maximum number of pre-cached sounds (MAX_SOUNDS)	512	N/A	2048	4096
Maximum number of entries to read sentences made up of sentences (MAX_SENTENCES)	1536	2048	4096	N/A
Maximum number of user messages (MAX_USER_MESSAGES)	128	N/A	191	N/A
Max number of loaded textures (MAX_TEXTURES)	2048	N/A	4096 (8192 in FWGS)	N/A
Max number of GL textures (MAX_GLTEXTURES)	4800	10000	4096 (8192 in FWGS)	N/A
Number of messages titles.txt (MAX_MESSAGES)	1024	N/A	2048	N/A
Maximum size of indexed textures	512х512	512x512	8192х8192	N/A
Maximum size of full color textures	512х512	512x512	8192х8192	N/A
Maximum number of models on the map (MAX_MAP_MODELS)	256	N/A	768 (1024 in FWGS)	4096
Maximum number of map leafs (MAX_MAP_LEAFS)	8192	N/A	32767	65536
Maximum number of entities per packet (MAX_PACKET_ENTITIES)	256	1024	256	512
Maximum number of spans (software renderer geometry limit)	3000	6000	N/A	N/A
Maximum number of surfaces (software renderer geometry limit)	2000	4000	N/A	N/A
Maximum number of edges (software renderer geometry limit)	7200	14400	N/A	N/A