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[[Official SCI Documentation]]<br />
[[Script Classes for Adventure Games | Table of Contents]]

<div align="center">
Chapter:
[[Script Classes for Adventure Games/Introduction|1]] |
[[Script Classes for Adventure Games/RootObj Class|2]] |
[[Script Classes for Adventure Games/Object Class|3]] |
[[Script Classes for Adventure Games/Collection Class|4]] |
[[Script Classes for Adventure Games/Script Class|5]] |
[[Script Classes for Adventure Games/Timer Class|6]] |
[[Script Classes for Adventure Games/Feature Class|7]] |
[[Script Classes for Adventure Games/View Class|8]] |
[[Script Classes for Adventure Games/PicView Class|9]] |
[[Script Classes for Adventure Games/Cycling Classes|10]] |
[[Script Classes for Adventure Games/Motion Classes|11]] |
[[Script Classes for Adventure Games/Avoider Class|12]] |
[[Script Classes for Adventure Games/Event Class|13]] |
[[Script Classes for Adventure Games/User Class|14]]<br />
[[Script Classes for Adventure Games/Game Class|15]] |
[[Script Classes for Adventure Games/Locale Class|16]] |
[[Script Classes for Adventure Games/Region Class|17]] |
[[Script Classes for Adventure Games/Room Class|18]] |
[[Script Classes for Adventure Games/Timer2 Class|19]] |
[[Script Classes for Adventure Games/InvItem Class|20]] |
[[Script Classes for Adventure Games/Block Class|21]] |
[[Script Classes for Adventure Games/Cage Class|22]] |
[[Script Classes for Adventure Games/Sound Class|23]] |
[[Script Classes for Adventure Games/StatusLine Class|24]] |
[[Script Classes for Adventure Games/File Class|25]] |
[[Script Classes for Adventure Games/Code Class|26]] |
[[Script Classes for Adventure Games/Global Variables|27]] |
[[Script Classes for Adventure Games/Index|Index]]
</div><br />

<div align="center"><span style="font-size: 22pt">Global Variables</span><br />
''Author: [[Jeff Stephenson]]''<br />
''Date: 5 April 1988''</div>

 

==<br /> Global Variables ==

Global variables 0 through 49 are reserved for use by the system classes. Game-specific global variables start at 50. The following global variables are defined by the system. For up to date global list see s:system.sh.

=== ego ===
<blockquote>The ID of a static instance of class Ego defined in game.sc. This is the protagonist of the game.</blockquote>

=== curRoom ===
<blockquote>The ID of the current Room.</blockquote>

=== userFont ===
<blockquote>The number of the font to be used in Print statements, etc. Default is 1. Set it to the font you wish to use in the init: method of your Game, or change it at will in the game.</blockquote>

=== cast ===
<blockquote>The ID of a Set of Actors and Egos which constitutes the characters on the screen.</blockquote>

=== quit ===
<blockquote>The main loop of the game is

<blockquote><div class="CodeBlockHeader">Code:</div>
<syntaxhighlight lang="sci">
(while (not quit)
(theGame doit:)
(Wait speed)
)
</syntaxhighlight></blockquote>

so setting quit to TRUE breaks out of the main loop and terminates the game.</blockquote>

=== addToPics ===
<blockquote>A Set of PicViews which have been added to the current picture.</blockquote>

=== debugOn ===
<blockquote>A generic debugging flag. I usually have a Debug menu item to set it, and trigger any debug display that I want off of it, rather than creating a special trigger whenever I want to debug something.</blockquote>

=== sounds ===
<blockquote>The Set of Sounds currently playing.</blockquote>

=== inventory ===
<blockquote>The ID of the Inventory class or instance which is the Set of all InvItems (inventory items) in the Game. Inventory related issues are not well defined yet...</blockquote>

=== theGame ===
<blockquote>The ID of the Game instance.</blockquote>

=== regions ===
<blockquote>The Set of Regions currently in effect.</blockquote>

=== curRoomNum ===
<blockquote>The number of the current Room.</blockquote>

=== prevRoomNum ===
<blockquote>The number of the previous Room. (So you know how you got where you are.)</blockquote>

=== newRoomNum ===
<blockquote>Used by a Room to signal to the Game that it should change to a new Room.</blockquote>

=== showStyle ===
<blockquote>The global style for the transition from one picture to another. This may be overridden by the style property of a given room. See the DrawPic kernel function for the possible styles.</blockquote>

=== aniInterval ===
<blockquote>The number of ticks it took to do the last animation cycle. This is used to test animation speed on a particular machine.</blockquote>

=== speed ===
<blockquote>The number of ticks between animations. This is set, usually as a menu option, to determine the speed of animation. The default is 6.</blockquote>

=== timers ===
<blockquote>The List of timers in the game.</blockquote>

=== score ===
<blockquote>The player's current score.</blockquote>

=== possibleScore ===
<blockquote>The games highest possible score.</blockquote>

=== theCursor ===
<blockquote>The number of the current cursor.</blockquote>

=== normalCursor ===
<blockquote>Number of normal cursor form.</blockquote>

=== waitCursor ===
<blockquote>Cursor number of "wait" cursor.</blockquote>

=== smallFont ===
<blockquote>Small font for save/restore, etc.</blockquote>

=== lastEvent ===
<blockquote>The last event (used by save/restore game).</blockquote>

=== modelessDialog ===
<blockquote>The modeless Dialog known to User and Intrface.</blockquote>

=== bigFont ===
<blockquote>The number for a large font.</blockquote>

=== volume ===
<blockquote>Sound volume on supported machine.</blockquote>

=== version ===
<blockquote>The SCI version string.</blockquote>

=== locales ===
<blockquote>Set of current locales.</blockquote>

=== curSaveDir ===
<blockquote>Address of current save drive/directory string.</blockquote>

=== aniThreshold ===
<blockquote></blockquote>

=== perspective ===
<blockquote>The Player's viewing angle. This is set according to the Rooms picAngle property. Degrees away from vertical along y axis.</blockquote>

=== features ===
<blockquote>Locations that may respond to events.</blockquote>

=== sortedFeatures ===
<blockquote>The features and cast sorted by "visibility" to ego.</blockquote>

=== useSortedFeatures ===
<blockquote>If TRUE enable cast & feature sorting.</blockquote>

=== egoBlindSpot ===
<blockquote>Used by sortCopy for sortedFeatures to exclude actors behind ego within angle from straight behind. Default zero is no blind spot.</blockquote>

=== overlays ===
<blockquote>The overlay List.</blockquote>

=== doMotionCue ===
<blockquote>A motion cue has occured - process it. The Games doit method gives the motionCue: message to each element of the cast if this is set to TRUE.</blockquote>

=== systemWindow ===
<blockquote>ID of standard system window. If you wish to supply your own window for system messages set this to the ID of your window.</blockquote>

=== lastSysGlobal ===
<blockquote>Defines the end of Global variable space.</blockquote>

==<br /> References ==

<references />

==<br /> See Also: ==

* [[SCI Specifications]]

 

[[Script Classes for Adventure Games | Table of Contents]]

<span style="float: left">[[Script Classes for Adventure Games/Code Class|< Previous: The Code Class]]</span>
<span style="float: right">[[Script Classes for Adventure Games/Index|Next: Index >]]</span>

 

[[Category:References]]
[[Category:SCI References]]
[[Category:Documentation]]
[[Category:SCI Documentation]]
[[Category:Scripting]]
[[Category:SCI Scripting]]
[[Category:Classes]]
[[Category:SCI Classes]]

Script Classes for Adventure Games/Global Variables - Revision history

Andrew Branscom: 2 revisions imported

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Andrew Branscom at 00:15, 12 April 2018