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2.1 Directory Hierarchy

This section is intended to explain the general CS directory structure. Crystal Space consists of the following directories:

CS

The main directory for Crystal Space. You can choose any path for it, as long as it is supported by your operating system. If you choose to build the project within this directory, then this is where the built applications and plugin modules are deposited. The file ‘vfs.cfg’ also resides in this directory.

CS/out

This directory is used by the build process if you build the project using “make” or “jam” within the source tree. It is also possible—indeed recommended—to build the project in some other location. This directory will contain all object files, static link libraries, and other generated files needed for building the project.

CS/apps

Contains the source code for applications which ship with Crystal Space. See section Quick Overview.

CS/apps/tests

Applications for testing specific features of the project reside here.

CS/apps/tutorial

Various tutorial applications can be found here.

CS/bin

Miscellaneous scripts used by the project maintainers.

CS/data

Location of data files and maps distributed with Crystal Space.

CS/data/config

May applications and plugins utilize a (‘.cfg’) file. For convenience they are grouped here.

CS/data/shader

This important directory contains shaders and other related information which is used by the Crystal Space engine.

CS/docs

The root of the Crystal Space documentation hierarchy. There are several subdirectories.

CS/docs/texinfo

Texinfo is the master format for all Crystal Space documentation. This directory and its subdirectories contain all of the Texinfo source and images which comprise the Crystal Space manual. Most users need not concern themselves with this directory since the Texinfo documentation is automatically converted to HTML which is more accessible to the general user. Documentation writers and maintainers, however, may be interested in this directory.

CS/docs/html/manual

This directory contains the HTML conversion of the Texinfo Crystal Space manual. Most users will want to browse the file ‘CS/docs/html/manual/index.html’.

CS/docs/html/api

This directory contains the Crystal Space SDK's public API reference manual. Most users will want to browse the file ‘CS/docs/html/api/index.html’.

CS/docs/support

This directory contains support scripts and templates for automatically generating documentation.

CS/include

These are the public Crystal Space header files. These headers will be installed as part of the SDK when you invoke ‘make install’ or ‘jam install’.

CS/libs

Here is where the utility-like modules reside which you can link into your applications or plugins. There are relatively few such libraries since most of Crystal Space's functionality is provided in the form of plugin modules.

CS/libs/csgeom

The geometry module. Various geometry related functions and classes can be found here: matrices, vectors, transforms, clipper, planes, etc.

CS/libs/csgfx

The graphics module. Here you will find bumpmapping, mipmapping, quantizers, and routines to support loading an image file (through the various image loading plug-ins).

CS/libs/cstool

This module contains high-level utility functions which rely upon the other modules, and possibly upon plugin modules. It is possible to write programs without utilizing this module, but it does provide several convenience classes for common cases and is, therefore, quite valuable.

CS/libs/csutil

This module contains various low-level utilities. The utilities include an archiver, configuration manager, virtual clock, scheduler, strings, hash tables, SCF (see section Shared Class Facility (SCF)), MD5 algorithm, command-line parser, event structures, and many others.

CS/libs/csutil/generic

Generic implementations of possibly platform-specific functionality.

CS/libs/csutil/macosx

MacOS/X-specific functionality.

CS/libs/csutil/unix

Unix-specific functionality.

CS/libs/csutil/win32

Windows-specific functionality.

CS/libs/csplugincommon

A collection of convenience modules which eliminate much of the drudgery associated with implementing SCF interfaces in certain types of common plugin modules. For example, the ‘csGraphics2D’ class in ‘csplugincommon/canvas’ implements the ‘iGraphics2D’ interface and provides much of the functionality common to most canvases. Likewise, the ‘csGraphics3D’ class in ‘csplugincommon/render3d’ implements the ‘iGraphics3D’ interface and provides much functionality common to renderers. You are not required to utilize these implementations when authoring your own plugins, but they are available for your convenience and may prove to be handy time-savers.

CS/libs/csplugincommon/canvas

Common canvas functionality.

CS/libs/csplugincommon/directx

Common Direct-X functionality.

CS/libs/csplugincommon/imageloader

Common image loader functionality.

CS/libs/csplugincommon/macosx

Common MacOS/X functionality.

CS/libs/csplugincommon/opengl

Common OpenGL functionality.

CS/libs/csplugincommon/particlesys

Common particle system functionality.

CS/libs/csplugincommon/render3d

Common renderer functionality.

CS/libs/csplugincommon/renderstep

Common render-loop functionality.

CS/libs/csplugincommon/shader

Common shader functionality.

CS/libs/csplugincommon/soundloader

Common sound loader functionality.

CS/libs/csplugincommon/soundrenderer

Common sound renderer functionality.

CS/libs/csplugincommon/win32

Common Microsoft Windows functionality.

CS/mk

This directory contains support facilities for the configuration and build systems.

CS/mk/autoconf

Handy Autoconf utility macros which may be of use to external projects based upon Crystal space.

CS/mk/jam

Handy Jam rules which may be of use to external projects based upon Crystal Space.

CS/mk/msvcgen

Component for automatic generation of Visual C++ project files based upon information gleaned from Jamfiles project-wide.

CS/mk/msvc

Project files for Microsoft Windows using MSVC 6.0 and 7.0.

CS/plugins

Dynamically loaded plug-ins. Communication with these modules is performed strictly via SCF interfaces. See section Shared Class Facility (SCF).

CS/plugins/bugplug

Crystal Space debugger.

CS/plugins/collide

Collision detection plugins.

CS/plugins/collide/opcode

This is the Opcode collision detection plugin which is based upon the Opcode library.

CS/plugins/console

Various console plugins for input/output. A console is often overlaid atop the 3D display.

CS/plugins/cscript

The Crystal Script plugins. Crystal Script plugins allow programmers to interact with the Crystal Space engine via a scripting language.

CS/plugins/cscript/csjava

Java interface.

CS/plugins/cscript/csperl5

Perl5 interface.

CS/plugins/cscript/cspython

Python interface.

CS/plugins/csparser

A plugin which parses structured map files and imports the map into the 3D engine. The standard map file format is XML, however the parser can parse any structured document which can be represented by an ‘iDocument’ interface.

CS/plugins/csparser/services

Crystal Space format loader services.

CS/plugins/culling

Visibility culling plug-ins.

CS/plugins/culling/dynavis

Dynavis visibility culling system.

CS/plugins/culling/frustvis

Frustvis visibility culling system (default culler if no other is selected).

CS/plugins/device

Hardware device plugins.

CS/plugins/device/joystick

Joystick support.

CS/plugins/engine

The 3D engine which drives Crystal Space.

CS/plugins/engine/3d

The 3D engine plugin.

CS/plugins/filesys

Filesystem-related plugins.

CS/plugins/filesys/vfs

Virtual filesystem, VFS. See section Virtual File System (VFS).

CS/plugins/font

Collection of font servers.

CS/plugins/font/server/csfont

Standard (bitmapped) Crystal Space font server.

CS/plugins/font/server/freefont

FreeType (version 2) font server.

CS/plugins/font/server/fontplex

Font server multiplexer.

CS/plugins/mesh

Various mesh object implementations (see section Mesh Object Plug-In System). For every mesh object there is typically one implementation in ‘object/’ and one or more loader/saver plugins in ‘persist/’. ‘persist/standard/’ is the loader in Crystal Space format.

CS/plugins/physics

Plug-ins relating to the physics of motion.

CS/plugins/physics/odedynam

ODE dynamics.

CS/plugins/physics/bullet

Bullet physics.

CS/plugins/reporter

Reporter.

CS/plugins/sequence

This is the sequence manager which is useful for managing timed sequences of events such as for demos.

CS/plugins/sndsys

All sound-related plugins (see section Sound System).

CS/plugins/stdrep

Standard reporter listener.

CS/plugins/video

All rendering- and graphics-related plugins.

CS/plugins/video/canvas

The 2D driver component which manages creation of the Crystal Space window used for rendering and also supports limited 2D drawing capabilities (including 2D pixmaps).

CS/plugins/video/canvas/caca

Colour ASCII Art driver.

CS/plugins/video/canvas/common

Common code for 2D drivers.

CS/plugins/video/canvas/ddraw

Windows DirectDraw driver.

CS/plugins/video/canvas/directxcommon

Common DirectX (Win32) code.

CS/plugins/video/canvas/macosx

MacOS/X OpenGL and CoreGraphics graphics drivers.

CS/plugins/video/canvas/memory

Memory driver (render a scene directly to memory).

CS/plugins/video/canvas/null2d

A do-nothing 2D canvas.

CS/plugins/video/canvas/openglcommon

Common code for all OpenGL 2D drivers.

CS/plugins/video/canvas/openglwin

OpenGL 2D driver for Windows.

CS/plugins/video/canvas/openglx

OpenGL 2D driver for X11.

CS/plugins/video/canvas/softx

X11 software 2D driver.

CS/plugins/video/canvas/xextf86vm

X-extension driver (X11).

CS/plugins/video/canvas/xextshm

MIT X-extension shared memory driver (X11).

CS/plugins/video/canvas/xwindow

X-window X11 driver.

CS/plugins/video/loader

Loaders for various graphics file formats.

CS/plugins/video/renderer

The 3D rasterizer component is required by the 3D engine but may also be used in a standalone environment. It requires a 2D canvas.

CS/plugins/video/renderer/common

Common code for 3D rasterizers.

CS/plugins/video/renderer/null

A do-nothing renderer (required when working only with 2D graphics).

CS/plugins/video/renderer/opengl

OpenGL renderer.

CS/plugins/video/renderer/software

Software (non-accelerated) renderer.


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