The Game Engine
Halo 2's game engine has grown so vast and diversly from the original Halo's engine
that the difference is like comparing a 2-bit color 40x20 DPI resolution dot matrix printer to a 32-bit color 4800x1600 DPI resolution laser printer. Yes, the improvement is that great.
Below is an in-depth list of Halo 2's technical game engine features.
Graphics Renderer Features:
Revision 1.x of pixel and vertex shaders, and normal mapping
PIX shader language authoring programmable shader support.
Dynamic cube, cubic, environment mapping, DOT 3 bump mapping, spherical mapping, and environment bump mapping.
Sharp stencil shadows, soft render-to-texture shadows,
deformable advanced geometry acceleration, per-pixel lighting, shadow maps(for high-resolution shadows), and dynamic lightmaps support.
Advanced RGBA color rendering system with high floating-point color precision.
Real-time, normal mapped surfaces with reflection, limited refraction and fresnel effects
Heavily advanced and realistic particles system.
Indoor/Outdoor environments
-Deformable, advanced geometry acceleration and terrain capabilities
-Real-time 3D skyboxes
-Dynamically rendered props system(E.G grass, rocks etc...)
-Specular maps, diffuse maps, ambient maps, & emission maps.
-Real-time specular based ambient lighting.
Advanced Materials System Features:
Advanced materials system allows specific destroyable parts of vehicles and entire destruction of vehicles, and etc
Advanced Characters Features:
Lower-polygon, more bump mapped and more realistic models.
Physics System Features:
More responsive vehicle physics models, character physics model and more thanks to a new, unsurpassed, more realistic implemented Havoc Ragdoll physics system.
Advanced Character A.I Features:
AI reacts with advanced senses(such as smelling, hearing, seeing etc).
AI relationships determine realistic reactions, friend or enemy detection and entity collision.
AI system also allows for realistic tactics in AI battles, such as laying fire, ducking, covering, using team mates etc, especially useful for marines and covenant fights.
Audio system features:
5.1 3D surround sound speaker system and real-time, realistic high fidelity game sound quality.
In-game dolby surround rich music support.
Multiplayer system features:
Full Xbox Live support, taking advantage of the latest and most up-to-date version's features(the current up to date Xbox Live version is version 3.0).
4 controller split screen player mode support.
System link mode support.
HDTV support:
Supports up to 480p and 1080i HDTV resolution quality(1900*1200 HDTV resolution support for an example).
That's it for the present known Halo 2 game engine features, more will be included as more data on the engine comes along.
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