src Directory Reference

Directories
	ai
	blitter
	core
	fontcache
	game
	linkgraph
	misc
	music
	network
	pathfinder
	saveload
	script
	settingsgen
	sound
	spriteloader
	strgen
	table
	tests
	timer
	video
	widgets

Files
	aircraft.h
	Base for aircraft.
	aircraft_cmd.cpp
	This file deals with aircraft and airport movements functionalities.
	aircraft_cmd.h
	Command definitions related to aircraft.
	aircraft_gui.cpp
	The GUI of aircraft.
	airport.cpp
	Functions related to airports.
	airport.h
	Various declarations for airports.
	airport_cmd.h
	Command definitions related to airports.
	airport_gui.cpp
	The GUI for airports.
	animated_tile.cpp
	Everything related to animated tiles.
	animated_tile_func.h
	Tile animation!
	animated_tile_map.h
	Maps accessors for animated tiles.
	articulated_vehicles.cpp
	Implementation of articulated vehicles.
	articulated_vehicles.h
	Functions related to articulated vehicles.
	autocompletion.cpp
	Generic auto-completion engine.
	autocompletion.h
	Generic auto-completion engine.
	autoreplace.cpp
	Management of replacement lists.
	autoreplace_base.h
	Base class for autoreplaces/autorenews.
	autoreplace_cmd.cpp
	Deals with autoreplace execution but not the setup.
	autoreplace_cmd.h
	Command definitions related to autoreplace.
	autoreplace_func.h
	Functions related to autoreplacing.
	autoreplace_gui.cpp
	GUI for autoreplace handling.
	autoreplace_gui.h
	Functions related to the autoreplace GUIs.
	autoreplace_type.h
	Types related to autoreplacing.
	autoslope.h
	Functions related to autoslope.
	base_consist.cpp
	Properties for front vehicles/consists.
	base_consist.h
	Properties for front vehicles/consists.
	base_media_base.h
	Generic functions for replacing base data (graphics, sounds).
	base_media_func.h
	Generic function implementations for base data (graphics, sounds).
	base_station_base.h
	Base classes/functions for base stations.
	bitmap_type.h
	bmp.cpp
	Read and write support for bmps.
	bmp.h
	Read and write support for bmps.
	bootstrap_gui.cpp
	Barely used user interface for bootstrapping OpenTTD, i.e.
	bridge.h
	Header file for bridges.
	bridge_gui.cpp
	Graphical user interface for bridge construction.
	bridge_map.cpp
	Map accessor functions for bridges.
	bridge_map.h
	Map accessor functions for bridges.
	build_vehicle_gui.cpp
	GUI for building vehicles.
	cachecheck.cpp
	Check caches.
	cargo_type.h
	Types related to cargoes...
	cargoaction.cpp
	Implementation of cargo actions.
	cargoaction.h
	Actions to be applied to cargo packets.
	cargomonitor.cpp
	Implementation of the cargo transport monitoring.
	cargomonitor.h
	Cargo transport monitoring declarations.
	cargopacket.cpp
	Implementation of the cargo packets.
	cargopacket.h
	Base class for cargo packets.
	cargotype.cpp
	Implementation of cargoes.
	cargotype.h
	Types/functions related to cargoes.
	cheat.cpp
	Handling (loading/saving/initializing) of cheats.
	cheat_func.h
	Functions related to cheating.
	cheat_gui.cpp
	GUI related to cheating.
	cheat_type.h
	Types related to cheating.
	clear_cmd.cpp
	Commands related to clear tiles.
	clear_func.h
	Functions related to clear (MP_CLEAR) land.
	clear_map.h
	Map accessors for 'clear' tiles.
	command.cpp
	Handling of commands.
	command_func.h
	Functions related to commands.
	command_type.h
	Types related to commands.
	company_base.h
	Definition of stuff that is very close to a company, like the company struct itself.
	company_cmd.cpp
	Handling of companies.
	company_cmd.h
	Command definitions related to companies.
	company_func.h
	Functions related to companies.
	company_gui.cpp
	Company related GUIs.
	company_gui.h
	GUI Functions related to companies.
	company_manager_face.h
	Functionality related to the company manager's face.
	company_type.h
	Types related to companies.
	console.cpp
	Handling of the in-game console.
	console_cmds.cpp
	Implementation of the console hooks.
	console_func.h
	Console functions used outside of the console code.
	console_gui.cpp
	Handling the GUI of the in-game console.
	console_gui.h
	GUI related functions in the console.
	console_internal.h
	Internally used functions for the console.
	console_type.h
	Globally used console related types.
	cpu.cpp
	OS/CPU/compiler dependent CPU specific calls.
	cpu.h
	Functions related to CPU specific instructions.
	crashlog.cpp
	Implementation of generic function to be called to log a crash.
	crashlog.h
	Functions to be called to log a crash.
	currency.cpp
	Support for different currencies.
	currency.h
	Functions to handle different currencies.
	date_gui.cpp
	Graphical selection of a date.
	date_gui.h
	Functions related to the graphical selection of a date.
	debug.cpp
	Handling of printing debug messages.
	debug.h
	Functions related to debugging.
	dedicated.cpp
	Forking support for dedicated servers.
	depot.cpp
	Handling of depots.
	depot_base.h
	Base for all depots (except hangars)
	depot_cmd.cpp
	Command Handling for depots.
	depot_cmd.h
	Command definitions related to depots.
	depot_func.h
	Functions related to depots.
	depot_gui.cpp
	The GUI for depots.
	depot_map.h
	Map related accessors for depots.
	depot_type.h
	Header files for depots (not hangars)
	direction_func.h
	Different functions related to conversions between directions.
	direction_type.h
	Different types to 'show' directions.
	disaster_vehicle.cpp
	All disaster/easter egg vehicles are handled here.
	disaster_vehicle.h
	All disaster vehicles.
	dock_cmd.h
	Command definitions related to docks.
	dock_gui.cpp
	GUI to create amazing water objects.
	driver.cpp
	Base for all driver handling.
	driver.h
	Base for all drivers (video, sound, music, etc).
	dropdown.cpp
	Implementation of the dropdown widget.
	dropdown_common_type.h
	Common drop down list components.
	dropdown_func.h
	Functions related to the drop down widget.
	dropdown_type.h
	Types related to the drop down widget.
	economy.cpp
	Handling of the economy.
	economy_base.h
	Base classes related to the economy.
	economy_cmd.h
	Command definitions related to the economy.
	economy_func.h
	Functions related to the economy.
	economy_type.h
	Types related to the economy.
	effectvehicle.cpp
	Implementation of everything generic to vehicles.
	effectvehicle_base.h
	Base class for all effect vehicles.
	effectvehicle_func.h
	Functions related to effect vehicles.
	elrail.cpp
	This file deals with displaying wires and pylons for electric railways.
	elrail_func.h
	header file for electrified rail specific functions
	engine.cpp
	Base for all engine handling.
	engine_base.h
	Base class for engines.
	engine_cmd.h
	Command definitions related to engines.
	engine_func.h
	Functions related to engines.
	engine_gui.cpp
	GUI to show engine related information.
	engine_gui.h
	Engine GUI functions, used by build_vehicle_gui and autoreplace_gui
	engine_type.h
	Types related to engines.
	error.cpp
	Reporting of errors.
	error.h
	Functions related to errors.
	error_func.h
	Error reporting related functions.
	error_gui.cpp
	GUI related to errors.
	fileio.cpp
	Standard In/Out file operations.
	fileio_func.h
	Functions for Standard In/Out file operations.
	fileio_type.h
	Types for Standard In/Out file operations.
	fios.cpp
	This file contains functions for building file lists for the save/load dialogs.
	fios.h
	Declarations for savegames operations.
	fios_gui.cpp
	GUIs for loading/saving games, scenarios, heightmaps, ...
	fontcache.cpp
	Cache for characters from fonts.
	fontcache.h
	Functions to read fonts from files and cache them.
	fontdetection.h
	Functions related to detecting/finding the right font.
	framerate_gui.cpp
	GUI for displaying framerate/game speed information.
	framerate_type.h
	Types for recording game performance data.
	gamelog.cpp
	Definition of functions used for logging of fundamental changes to the game.
	gamelog.h
	Functions to be called to log fundamental changes to the game.
	gamelog_internal.h
	Declaration shared among gamelog.cpp and saveload/gamelog_sl.cpp.
	genworld.cpp
	Functions to generate a map.
	genworld.h
	Functions related to world/map generation.
	genworld_gui.cpp
	GUI to configure and show progress during map generation.
	gfx.cpp
	Handling of drawing text and other gfx related stuff.
	gfx_func.h
	Functions related to the gfx engine.
	gfx_layout.cpp
	Handling of laying out text.
	gfx_layout.h
	Functions related to laying out the texts.
	gfx_layout_fallback.cpp
	Handling of laying out text as fallback.
	gfx_layout_fallback.h
	Functions related to laying out the texts as fallback.
	gfx_layout_icu.cpp
	Handling of laying out with ICU / Harfbuzz.
	gfx_layout_icu.h
	Functions related to laying out the texts with ICU.
	gfx_type.h
	Types related to the graphics and/or input devices.
	gfxinit.cpp
	Initializing of the (GRF) graphics.
	gfxinit.h
	Functions related to the graphics initialization.
	goal.cpp
	Handling of goals.
	goal_base.h
	Goal base class.
	goal_cmd.h
	Command definitions related to goals.
	goal_gui.cpp
	GUI for goals.
	goal_type.h
	basic types related to goals
	graph_gui.cpp
	GUI that shows performance graphs.
	graph_gui.h
	Graph GUI functions.
	ground_vehicle.cpp
	Implementation of GroundVehicle.
	ground_vehicle.hpp
	Base class and functions for all vehicles that move through ground.
	group.h
	Base class for groups and group functions.
	group_cmd.cpp
	Handling of the engine groups.
	group_cmd.h
	Command definitions related to engine groups.
	group_gui.cpp
	GUI for the group window.
	group_gui.h
	Functions/definitions that have something to do with groups.
	group_type.h
	Types of a group.
	gui.h
	GUI functions that shouldn't be here.
	heightmap.cpp
	Creating of maps from heightmaps.
	heightmap.h
	Functions related to creating heightmaps from files.
	help_gui.cpp
	GUI to access manuals and related.
	help_gui.h
	GUI to access manuals and related.
	highscore.cpp
	Definition of functions used for highscore handling.
	highscore.h
	Declaration of functions and types defined in highscore.h and highscore_gui.h.
	highscore_gui.cpp
	Definition of the HighScore and EndGame windows.
	hotkeys.cpp
	Implementation of hotkey related functions.
	hotkeys.h
	Hotkey related functions.
	house.h
	definition of HouseSpec and accessors
	house_type.h
	declaration of basic house types and enums
	industry.h
	Base of all industries.
	industry_cmd.cpp
	Handling of industry tiles.
	industry_cmd.h
	Command definitions related to industries.
	industry_gui.cpp
	GUIs related to industries.
	industry_map.h
	Accessors for industries.
	industry_type.h
	Types related to the industry.
	industrytype.h
	Industry type specs.
	ini.cpp
	Definition of the IniItem class, related to reading/writing '*.ini' files.
	ini_load.cpp
	Definition of the IniLoadFile class, related to reading and storing '*.ini' files.
	ini_type.h
	Types related to reading/writing '*.ini' files.
	intro_gui.cpp
	The main menu GUI.
	landscape.cpp
	Functions related to the landscape (slopes etc.).
	landscape.h
	Functions related to OTTD's landscape.
	landscape_cmd.h
	Command definitions related to landscape (slopes etc.).
	landscape_type.h
	Types related to the landscape.
	language.h
	Information about languages and their files.
	league_base.h
	LeagueTable base class.
	league_cmd.cpp
	Handling of league tables.
	league_cmd.h
	Command definitions related to league tables.
	league_gui.cpp
	GUI for league tables.
	league_gui.h
	League table GUI functions.
	league_type.h
	basic types related to league tables
	library_loader.h
	Functions/types related to loading libraries dynamically.
	livery.h
	Functions/types related to livery colours.
	main_gui.cpp
	Handling of the main viewport.
	map.cpp
	Base functions related to the map and distances on them.
	map_func.h
	Functions related to maps.
	map_type.h
	Types related to maps.
	misc.cpp
	Misc functions that shouldn't be here.
	misc_cmd.cpp
	Some misc functions that are better fitted in other files, but never got moved there...
	misc_cmd.h
	Miscellaneous command definitions.
	misc_gui.cpp
	GUIs for a number of misc windows.
	mixer.cpp
	Mixing of sound samples.
	mixer.h
	Functions to mix sound samples.
	music.cpp
	The songs that OpenTTD knows.
	music_gui.cpp
	GUI for the music playback.
	newgrf.cpp
	Base of all NewGRF support.
	newgrf.h
	Base for the NewGRF implementation.
	newgrf_act5.h
	Information about NewGRF Action 5.
	newgrf_airport.cpp
	NewGRF handling of airports.
	newgrf_airport.h
	NewGRF handling of airports.
	newgrf_airporttiles.cpp
	NewGRF handling of airport tiles.
	newgrf_airporttiles.h
	NewGRF handling of airport tiles.
	newgrf_animation_base.h
	Function implementations related to NewGRF animation.
	newgrf_animation_type.h
	Definitions related to NewGRF animation.
	newgrf_callbacks.h
	Callbacks that NewGRFs could implement.
	newgrf_canal.cpp
	Implementation of NewGRF canals.
	newgrf_canal.h
	Handling of NewGRF canals.
	newgrf_cargo.cpp
	Implementation of NewGRF cargoes.
	newgrf_cargo.h
	Cargo support for NewGRFs.
	newgrf_class.h
	Header file for classes to be used by e.g.
	newgrf_class_func.h
	Implementation of the NewGRF class' functions.
	newgrf_commons.cpp
	Implementation of the class OverrideManagerBase and its descendance, present and future.
	newgrf_commons.h
	This file simplyfies and embeds a common mechanism of loading/saving and mapping of grf entities.
	newgrf_config.cpp
	Finding NewGRFs and configuring them.
	newgrf_config.h
	Functions to find and configure NewGRFs.
	newgrf_debug.h
	Functions/types related to NewGRF debugging.
	newgrf_debug_gui.cpp
	GUIs for debugging NewGRFs.
	newgrf_engine.cpp
	NewGRF handling of engines.
	newgrf_engine.h
	Functions for NewGRF engines.
	newgrf_generic.cpp
	Handling of generic feature callbacks.
	newgrf_generic.h
	Functions related to generic callbacks.
	newgrf_gui.cpp
	GUI to change NewGRF settings.
	newgrf_house.cpp
	Implementation of NewGRF houses.
	newgrf_house.h
	Functions related to NewGRF houses.
	newgrf_industries.cpp
	Handling of NewGRF industries.
	newgrf_industries.h
	Functions for NewGRF industries.
	newgrf_industrytiles.cpp
	NewGRF handling of industry tiles.
	newgrf_industrytiles.h
	NewGRF handling of industry tiles.
	newgrf_object.cpp
	Handling of object NewGRFs.
	newgrf_object.h
	Functions related to NewGRF objects.
	newgrf_profiling.cpp
	Profiling of NewGRF action 2 handling.
	newgrf_profiling.h
	Profiling of NewGRF action 2 handling.
	newgrf_properties.h
	Properties of NewGRF Action 0.
	newgrf_railtype.cpp
	NewGRF handling of rail types.
	newgrf_railtype.h
	NewGRF handling of rail types.
	newgrf_roadstop.cpp
	newgrf_roadstop.h
	NewGRF definitions and structures for road stops.
	newgrf_roadtype.cpp
	NewGRF handling of road types.
	newgrf_roadtype.h
	NewGRF handling of road types.
	newgrf_sound.cpp
	Handling NewGRF provided sounds.
	newgrf_sound.h
	Functions related to NewGRF provided sounds.
	newgrf_spritegroup.cpp
	Handling of primarily NewGRF action 2.
	newgrf_spritegroup.h
	Action 2 handling.
	newgrf_station.cpp
	Functions for dealing with station classes and custom stations.
	newgrf_station.h
	Header file for NewGRF stations.
	newgrf_storage.cpp
	Functionality related to the temporary and persistent storage arrays for NewGRFs.
	newgrf_storage.h
	Functionality related to the temporary and persistent storage arrays for NewGRFs.
	newgrf_text.cpp
	Implementation of Action 04 "universal holder" structure and functions.
	newgrf_text.h
	Header of Action 04 "universal holder" structure and functions.
	newgrf_text_type.h
	Header of Action 04 "universal holder" structure.
	newgrf_town.cpp
	Implementation of the town part of NewGRF houses.
	newgrf_town.h
	Functions to handle the town part of NewGRF towns.
	newgrf_townname.cpp
	Implementation of Action 0F "universal holder" structure and functions.
	newgrf_townname.h
	Header of Action 0F "universal holder" structure and functions.
	news_cmd.h
	Command definitions related to news messages.
	news_func.h
	Functions related to news.
	news_gui.cpp
	GUI functions related to news messages.
	news_gui.h
	GUI functions related to the news.
	news_type.h
	Types related to news.
	object.h
	Functions related to objects.
	object_base.h
	Base for all objects.
	object_cmd.cpp
	Handling of object tiles.
	object_cmd.h
	Command definitions related to objects.
	object_gui.cpp
	The GUI for objects.
	object_map.h
	Map accessors for object tiles.
	object_type.h
	Types related to object tiles.
	openttd.cpp
	Functions related to starting OpenTTD.
	openttd.h
	Some generic types.
	order_backup.cpp
	Handling of order backups.
	order_backup.h
	Functions related to order backups.
	order_base.h
	Base class for orders.
	order_cmd.cpp
	Handling of orders.
	order_cmd.h
	Command definitions related to orders.
	order_func.h
	Functions related to orders.
	order_gui.cpp
	GUI related to orders.
	order_type.h
	Types related to orders.
	osk_gui.cpp
	The On Screen Keyboard GUI.
	palette.cpp
	Handling of palettes.
	palette_func.h
	Functions related to palettes.
	pbs.cpp
	PBS support routines.
	pbs.h
	PBS support routines.
	picker_func.h
	Functions/types etc.
	picker_gui.cpp
	File for dealing with picker windows
	picker_gui.h
	Functions/types etc.
	progress.cpp
	Functions for modal progress windows.
	progress.h
	Functions related to modal progress.
	provider_manager.h
	Definition of the ProviderManager.
	querystring_gui.h
	Base for the GUIs that have an edit box in them.
	rail.cpp
	Implementation of rail specific functions.
	rail.h
	Rail specific functions.
	rail_cmd.cpp
	Handling of rail tiles.
	rail_cmd.h
	Command definitions for rail.
	rail_gui.cpp
	File for dealing with rail construction user interface
	rail_gui.h
	Functions/types etc.
	rail_map.h
	Hides the direct accesses to the map array with map accessors.
	rail_type.h
	The different types of rail.
	random_access_file.cpp
	Actual implementation of the RandomAccessFile class.
	random_access_file_type.h
	Class related to random access to files.
	rev.h
	declaration of OTTD revision dependent variables
	road.cpp
	Generic road related functions.
	road.h
	Road specific functions.
	road_cmd.cpp
	Commands related to road tiles.
	road_cmd.h
	Road related functions.
	road_func.h
	Functions related to roads.
	road_gui.cpp
	GUI for building roads.
	road_gui.h
	Functions/types related to the road GUIs.
	road_internal.h
	Functions used internally by the roads.
	road_map.cpp
	Complex road accessors.
	road_map.h
	Map accessors for roads.
	road_type.h
	Enums and other types related to roads.
	roadstop.cpp
	Implementation of the roadstop base class.
	roadstop_base.h
	Base class for roadstops.
	roadveh.h
	Road vehicle states.
	roadveh_cmd.cpp
	Handling of road vehicles.
	roadveh_cmd.h
	Command definitions related to road vehicles.
	roadveh_gui.cpp
	GUI for road vehicles.
	safeguards.h
	A number of safeguards to prevent using unsafe methods.
	screenshot.cpp
	The creation of screenshots!
	screenshot.h
	Functions to make screenshots.
	screenshot_gui.cpp
	GUI functions related to screenshots.
	screenshot_gui.h
	GUI functions related to screenshots.
	settings.cpp
	All actions handling saving and loading of the settings/configuration goes on in this file.
	settings_cmd.h
	Command definitions related to settings.
	settings_func.h
	Functions related to setting/changing the settings.
	settings_gui.cpp
	GUI for settings.
	settings_gui.h
	Functions for setting GUIs.
	settings_internal.h
	Functions and types used internally for the settings configurations.
	settings_table.cpp
	The tables of all the settings as well as the implementation of most of their callbacks.
	settings_table.h
	Definition of the configuration tables of the settings.
	settings_type.h
	Types related to global configuration settings.
	ship.h
	Base for ships.
	ship_cmd.cpp
	Handling of ships.
	ship_cmd.h
	Command definitions related to ships.
	ship_gui.cpp
	GUI for ships.
	signal.cpp
	functions related to rail signals updating
	signal_func.h
	Functions related to signals.
	signal_type.h
	Types and classes related to signals.
	signature.cpp
	Implementation of signature validation routines.
	signature.h
	Routines to validate signature files.
	signs.cpp
	Handling of signs.
	signs_base.h
	Base class for signs.
	signs_cmd.cpp
	Handling of sign related commands.
	signs_cmd.h
	Command definitions related to signs.
	signs_func.h
	Functions related to signs.
	signs_gui.cpp
	The GUI for signs.
	signs_type.h
	Types related to signs.
	slider.cpp
	Implementation of the horizontal slider widget.
	slider_func.h
	slope_func.h
	Functions related to slopes.
	slope_type.h
	Definitions of a slope.
	smallmap_gui.cpp
	GUI that shows a small map of the world with metadata like owner or height.
	smallmap_gui.h
	Smallmap GUI functions.
	social_integration.cpp
	Base implementation of social integration support.
	social_integration.h
	Interface definitions for game to report/respond to social integration.
	sortlist_type.h
	Base types for having sorted lists in GUIs.
	sound.cpp
	Handling of playing sounds.
	sound_func.h
	Functions related to sound.
	sound_type.h
	Types related to sounds.
	soundloader.cpp
	Handling of loading sounds.
	soundloader_func.h
	Functions related to sound loaders.
	soundloader_opus.cpp
	soundloader_raw.cpp
	Loading of raw sounds.
	soundloader_type.h
	Types related to sound loaders.
	soundloader_wav.cpp
	Loading of wav sounds.
	sprite.cpp
	Handling of sprites.
	sprite.h
	Base for drawing complex sprites.
	spritecache.cpp
	Caching of sprites.
	spritecache.h
	Functions to cache sprites in memory.
	spritecache_internal.h
	Internal functions to cache sprites in memory.
	station.cpp
	Implementation of the station base class.
	station_base.h
	Base classes/functions for stations.
	station_cmd.cpp
	Handling of station tiles.
	station_cmd.h
	Command definitions related to stations.
	station_func.h
	Functions related to stations.
	station_gui.cpp
	The GUI for stations.
	station_gui.h
	Contains enums and function declarations connected with stations GUI.
	station_kdtree.h
	Declarations for accessing the k-d tree of stations.
	station_map.h
	Maps accessors for stations.
	station_type.h
	Types related to stations.
	statusbar_gui.cpp
	The GUI for the bottom status bar.
	statusbar_gui.h
	Functions, definitions and such used only by the GUI.
	stdafx.h
	Definition of base types and functions in a cross-platform compatible way.
	story.cpp
	Handling of stories.
	story_base.h
	StoryPage base class.
	story_cmd.h
	Command definitions related to stories.
	story_gui.cpp
	GUI for stories.
	story_type.h
	basic types related to story pages
	string.cpp
	Handling of C-type strings (char*).
	string_base.h
	string_func.h
	Functions related to low-level strings.
	string_type.h
	Types for strings.
	stringfilter.cpp
	Searching and filtering using a stringterm.
	stringfilter_type.h
	Searching and filtering using a stringterm.
	strings.cpp
	Handling of translated strings.
	strings_func.h
	Functions related to OTTD's strings.
	strings_internal.h
	strings_type.h
	Types related to strings.
	subsidy.cpp
	Handling of subsidies.
	subsidy_base.h
	Subsidy base class.
	subsidy_cmd.h
	Command definitions related to subsidies.
	subsidy_func.h
	Functions related to subsidies.
	subsidy_gui.cpp
	GUI for subsidies.
	subsidy_type.h
	basic types related to subsidies
	survey.cpp
	Functions to survey the current game / system, for crashlog and network-survey.
	survey.h
	Functions to survey the current game / system, for crashlog and network-survey.
	tar_type.h
	Structs, typedefs and macros used for TAR file handling.
	terraform_cmd.cpp
	Commands related to terraforming.
	terraform_cmd.h
	Command definitions related to terraforming.
	terraform_gui.cpp
	GUI related to terraforming the map.
	terraform_gui.h
	GUI stuff related to terraforming.
	textbuf.cpp
	Textbuffer handling.
	textbuf_gui.h
	Stuff related to the text buffer GUI.
	textbuf_type.h
	Stuff related to text buffers.
	texteff.cpp
	Handling of text effects.
	texteff.hpp
	Functions related to text effects.
	textfile_gui.cpp
	Implementation of textfile window.
	textfile_gui.h
	GUI functions related to textfiles.
	textfile_type.h
	Types related to textfiles.
	tgp.cpp
	OTTD Perlin Noise Landscape Generator, aka TerraGenesis Perlin.
	tgp.h
	Functions for the Perlin noise enhanced map generator.
	thread.h
	Base of all threads.
	tile_cmd.h
	Generic 'commands' that can be performed on all tiles.
	tile_map.cpp
	Global tile accessors.
	tile_map.h
	Map writing/reading functions for tiles.
	tile_type.h
	Types related to tiles.
	tilearea.cpp
	Handling of tile areas.
	tilearea_type.h
	Type for storing the 'area' of something uses on the map.
	tilehighlight_func.h
	Functions related to tile highlights.
	tilehighlight_type.h
	Types related to highlighting tiles.
	timetable.h
	Functions related to time tabling.
	timetable_cmd.cpp
	Commands related to time tabling.
	timetable_cmd.h
	Command definitions related to timetables.
	timetable_gui.cpp
	GUI for time tabling.
	toolbar_gui.cpp
	Code related to the (main) toolbar.
	toolbar_gui.h
	Stuff related to the (main) toolbar.
	town.h
	Base of the town class.
	town_cmd.cpp
	Handling of town tiles.
	town_cmd.h
	Command definitions related to towns.
	town_gui.cpp
	GUI for towns.
	town_kdtree.h
	Declarations for accessing the k-d tree of towns.
	town_map.h
	Accessors for towns.
	town_type.h
	Types related to towns.
	townname.cpp
	Town name generators.
	townname_func.h
	Town name generator stuff.
	townname_type.h
	Definition of structures used for generating town names.
	track_func.h
	Different conversion functions from one kind of track to another.
	track_type.h
	All types related to tracks.
	train.h
	Base for the train class.
	train_cmd.cpp
	Handling of trains.
	train_cmd.h
	Command definitions related to trains.
	train_gui.cpp
	GUI for trains.
	transparency.h
	Functions related to transparency.
	transparency_gui.cpp
	The transparency GUI.
	transparency_gui.h
	GUI functions related to transparency.
	transport_type.h
	Base types related to transport.
	tree_cmd.cpp
	Handling of tree tiles.
	tree_cmd.h
	Command definitions related to tree tiles.
	tree_gui.cpp
	GUIs for building trees.
	tree_map.h
	Map accessors for tree tiles.
	tunnel_map.cpp
	Map accessors for tunnels.
	tunnel_map.h
	Map accessors for tunnels.
	tunnelbridge.h
	Header file for things common for tunnels and bridges.
	tunnelbridge_cmd.cpp
	This file deals with tunnels and bridges (non-gui stuff)
	tunnelbridge_cmd.h
	Command definitions related to tunnels and bridges.
	tunnelbridge_map.h
	Functions that have tunnels and bridges in common.
	vehicle.cpp
	Base implementations of all vehicles.
	vehicle_base.h
	Base class for all vehicles.
	vehicle_cmd.cpp
	Commands for vehicles.
	vehicle_cmd.h
	Command definitions for vehicles.
	vehicle_func.h
	Functions related to vehicles.
	vehicle_gui.cpp
	The base GUI for all vehicles.
	vehicle_gui.h
	Functions related to the vehicle's GUIs.
	vehicle_gui_base.h
	Functions/classes shared between the different vehicle list GUIs.
	vehicle_type.h
	Types related to vehicles.
	vehiclelist.cpp
	Lists of vehicles.
	vehiclelist.h
	Functions and type for generating vehicle lists.
	vehiclelist_cmd.h
	Functions and type for serializing vehicle lists.
	vehiclelist_func.h
	Functions and type for generating vehicle lists.
	viewport.cpp
	Handling of all viewports.
	viewport_cmd.h
	Command definitions related to viewports.
	viewport_func.h
	Functions related to (drawing on) viewports.
	viewport_gui.cpp
	Extra viewport window.
	viewport_kdtree.h
	viewport_sprite_sorter.h
	Types related to sprite sorting.
	viewport_sprite_sorter_sse4.cpp
	Sprite sorter that uses SSE4.1.
	viewport_type.h
	Types related to viewports.
	void_cmd.cpp
	Handling of void tiles.
	void_map.h
	Map accessors for void tiles.
	water.h
	Functions related to water (management)
	water_cmd.cpp
	Handling of water tiles.
	water_cmd.h
	Command definitions related to water tiles.
	water_map.h
	Map accessors for water tiles.
	waypoint.cpp
	Handling of waypoints.
	waypoint_base.h
	Base of waypoints.
	waypoint_cmd.cpp
	Command Handling for waypoints.
	waypoint_cmd.h
	Command definitions related to waypoints.
	waypoint_func.h
	Functions related to waypoints.
	waypoint_gui.cpp
	Handling of waypoints gui.
	widget.cpp
	Handling of the default/simple widgets.
	widget_type.h
	Definitions about widgets.
	window.cpp
	Windowing system, widgets and events.
	window_func.h
	Window functions not directly related to making/drawing windows.
	window_gui.h
	Functions, definitions and such used only by the GUI.
	window_type.h
	Types related to windows.
	zoom_func.h
	Functions related to zooming.
	zoom_type.h
	Types related to zooming in and out.