ChangeLog.md

ChangeLog

0.4.0

• ozCore
  • full use of C++17
    • null replaced by nullptr keyword
    • constexpr used for functions too
    • removed storage for constexpr constants
    • member initialisers used wherever possible
    • initialiser list constructors for containers
    • different begin() and end() iterator types
    • folded namespace declarations
  • larger and non-performance-critical inline functions moved to .cc files
  • global abs(), min(), max() and clamp()
  • new STL-like Less and Hash template classes used for sorting and hashing
  • container improvements
    • improved iterators: far less code duplication, no more key()/value() members
    • removed generic container functions (iEquals, iCopy, iIndex ...)
    • moved array functions (aEquals, aCopy, aIndex ...) to Arrays class
    • STL-like parameter order in Arrays functions
    • STL-like begin() and end() members on containers and iterators
    • (C)Range class to hold begin-end pair and respective (c)range functions to construct it from containers, arrays etc.
    • removed Array and DArray template classes
    • new Set template class: Map with arbitrary elements instead of key-value pairs
    • new HashMap template class: merger of HashIndex & HashString with an arbitrary key type
    • new HashSet template class: hash table of arbitrary elements instead of key-value pairs
    • new Heap template class implementing binary min-heap
    • more inheritance between classes and far less code duplication (e.g. List -> Set -> Map)
  • remove Alloc class
  • new PoolAlloc class, non-template version of Pool which now extends PoolAlloc
  • String
    • buffer and baseBuffer in union, String class size 48 -> 32 bytes
    • functions for non-constant access (operator [], non-constant begin(), end() ...)
    • construction from numbers, new number parsing functions
  • exact SLERP implementation in Quat
  • new Mat3 class for 3x3 matrices
  • SIMD support for linear algebra classes
  • new SpinLock and CallOnce classes added for threading
  • removed Mutex class, replaced by a new Monitor class representing a mutex + condition variable pair
  • new Monitor class
  • linear algebra classes added as primitives to streams, Log and Json
  • InputStream, OutputStream and BufferStream merged into Stream
  • Buffer extends List<char>, supports zlib compression
  • File
    • redesigned, extends String class
    • removed metadata, now returned as File::Info by stat() call
    • remove mapping to memory
    • renamed cp() -> copyTo(), mv() -> moveTo() ... and made non-static
    • operators / and /= to concatenate paths
    • determines special user directories and executable path
  • PFile class merged into File class (VFS paths begin with @)
  • new EnumMap class for enum <-> string conversions
  • new SharedLib class for run-time linking
  • new Profiler class for measuring time spent in various code segments
  • new Gettext class for loading gettext translations
  • Json is more forgiving and simplified (implicit ctors, get<NumType>(), removed asType())
  • new Pepper class that provides basic interfaces to PPAPI on NaCl
• ozEngine: new engine building blocks library
  • GL class for OpenGL utilities: error checks, DDS texture loader
  • AL class for OpenAL utilities: error checks, WAVE & Vorbis loader/decoder, Vorbis streamer
  • Window class based on client::Window
  • Input class for reading input from devices and key bindings
  • Shader compilation utility, understands #include directive
  • Lua class inspired by Selene: access to variables via operator [], function calls via ()
• ozFactory: new builder building blocks library
  • ImageBuilder class for building DDS textures
  • ModelBuilder class for building OpenZone models using Assimp library
  • TerraBuilder class generates random terrain heightmaps and corresponding textures
• common
  • common Lua functionality split into LuaCommon which is base for LuaMatrix, LuaNirvana ...
  • common Lua scripts included by all VMs
  • Lua <-> JSON value interoperability
  • new Automaton class to facilitate implementations of finite-state machines
• matrix
  • Orbis: 1-based lists internally, proxy functions for accessing objects per index
  • negative Object::Event intensities for continuous sounds
  • melee attack
  • new vehicle types: turret, mech warrior
  • reverted from binary stream to JSON format for object classes and fragment pools
  • name lists replaced by name generator scripts
• nirvana
  • Technology graph
• ui
  • UI colours, fonts and layouts can be configured in ui/style.json
  • UI sounds
  • DDS format used for icons, X11 libxcursor format for cursors
  • buttons triggered on release
  • new CheckBox and Slider components
  • new ModelField area for rendering models in UI
  • new BuildMenu frame unit/building placement
  • StrategicArea group selection
  • status bars under health bars
• client
  • Mesh, SMM -> Model, tree-based model hierarchy
  • Models can be rendered at BSP entities
  • better lighting: bump mapping, environment maps, improved specular lighting
  • skybox
  • DDS format used for all textures, every texture is in its own file
  • switched over to ozEngine classes wherever possible
  • layout files, can be edited in built-in editor (-e option) or loaded by missions
  • camera flash and shake effects, camera has an auxiliary thread for event extraction
  • switching weapons with number keys
  • .ozState file compression
  • ozPersistent table in Lua scripts for persistence across missions and load/save
• builder
  • Context generates mipmaps and S3TC textures (using libsquish) without initialising OpenGL
  • Terrain can be generated based on config file settings
  • Asset Importer integration, can build Collada models
  • major Compiler class updates for tree-based models
  • Compiler class generates surface tangents and binormals
• scripting
  • finite automaton implementation, basic building blocks for AIs
  • all complex AIs rewritten as finite automata
• general
  • common, matrix and nirvana sub-namespaces removed
  • LuaJIT can be optionally used instead of official Lua

0.3.1

• client
  • credits screen
• general
  • Win32 port fixed, bugfixes, polishing ...

0.3.0

• oz
  • more C++11 features
    • move semantics
    • defaulted & deleted functions
    • explicit overrides
    • new exception specification
    • limited use of initialiser lists
    • limited use of constexpr (float constants)
  • (D)List renamed to (D)Chain, (S)Vector renamed to (S)List
  • String class has more consistent members, parsing functions added
  • Vec3, Vec4, Quat don't inherit from each other or Simd class
  • AABB & Bounds moved to liboz from matrix
  • Mutex, Semaphore and Thread classes for high-level thread management
  • new Time class
  • new StackTrace class (split from System class)
  • System::bell()
  • OutputStream is readable
  • new BufferStream class (OutputStream with dynamic internal storage)
  • File class: file type and size setting changed, added support for NaCl local filesystems
  • new PFile class: version of File class to act as PhysicsFS wrapper
  • Log supports operator << for printing streams
  • new JSON class for manipulating JSON files
  • Config class removed
  • clearmacros.hh header to undefine liboz macros that might conflict other libraries
  • can be compiled as a shared library
  • additional Linux dependency: PhysicsFS, optional dependency for Linux: libpulse-simple
  • better Win32 support, POSIX API replaced with Win32 API where possible
  • ported to NaCl
  • fully documented
  • zlib licence
• common
  • new layer, split from matrix
  • Span and Timer classes moved to common from matrix
  • new Lingua class, gettext-like system, but modularised and suitable for data package system
• matrix
  • BSPs, object classes, fragment pools, client imagos and audios are internally referenced by pointers or indices instead by strings, several lookup hashtables replaced by arrays
  • object attributes: tell what special abilities an object can have (nigh vision, binoculars, satnav, music player ...)
  • fragment pools: particle replacements; fragments can be configured like object classes, can have a graphic model assigned, etc.
  • binary format is used for object classes and fragment pools
  • keys: object can have assigned a key value, so it can lock/unlock matching structure entities
  • lava: can be used both in structures and terrain instead of sea
  • objects can be rotated around z axis in 90° steps
  • physics
    • object tracks lower entity: when an entity moves horizontally it also moves objects on top
    • sliding damage
    • configurable gravity
    • fine-tuning of constants and many small improvements and bugfixes
  • structures
    • crushing: structures fall into terrain, and crush objects in their way
    • bound objects: objects that are created together with a structure and destroyed with it; useful for defence turrets
    • air brushes to tag certain structure areas that should not be filled with water when the structure is under sea
    • sea brushes tag areas with the same content as terrain sea (including fog colour)
    • no more need for hull around BSPs
    • triggers: some entities can be activated; they can trigger themselves or other entities
    • entities can be locked/unlocked with appropriate key
    • manual doors
    • elevators
• client
  • smooth loading: model loading split to preloading (mapping file to memory) that is run in a new thread and upload to graphic card that has to be synchronous with rendering
  • textures have 3 components: diffuse (base colour), masks (per-pixel specular and emission masks) and normal map
  • objects are filtered from rendering if aspect angle from eye is too small
  • configurable fog colour for both terrain and structure water/lava
  • Mesh class
    • meshes are not rendered immediately but lists are created for each mesh and all instances of a mesh are rendered together
    • MD2-like vertex animation integrated into Mesh class
  • offscreen rendering support
  • postprocessing, bloom postprocess effect
  • Camera class & proxies
    • smoothing of movement and rotation
    • colour transformation matrix, used for visual effects like injuries, night vision, black-and-white sequences ...
    • camera bob, walk/run animations and footsteps sounds are synchronised to a counter in Bot class
    • CinematicProxy class for scripted camera movements, colours, music track setting ...
  • Audio classes
    • footstep and swim sounds
    • filtering of high-frequency events
    • velocity is set for sound sources and listener
  • Sound class
    • sounds are played asynchronously, parallel to rendering
    • asynchronous streaming of tracks
    • support for music in MP3 and AAC formats
    • a user-specified directory can be searched for music
  • new Input class
    • key-to-action mappings, key/mouse sensitivity etc.
    • input.json configuration file
  • resizable main window
  • new main menu, mission selection menu
• builder
  • prebuilding entirely split from the runtime part of the engine
  • SDL_image replaced by FreeImage, wider range of image formats supported as prebuilding source
  • 16-bit colour components for terrain heightmap
  • no more encapsulating a BSP with a box
  • fragment pools and object classes are compiled
• tools
  • ozGettext tool for extracting structure, entity, object names and strings from mission scripts for translation
  • ozManifest for generating package manifests for NaCl port
  • ozSineSample for generating src/oz/bellSample.inc
• general
  • PhysicsFS used for accessing game data, so they can be loaded directly from archives
  • game data can be modularised into packages
  • Lua API redesigned
  • Lua classes share API code - no more code triplication of Lua API implementations
  • ported to SDL 2.0
  • ported to NaCl
  • PKGBUILD for Arch Linux and RPM spec file