Zoom for Mac OS X
Written by Andrew Hunter (andrew@logicalshift.co.uk)
Available for distribution under the terms of the GNU GPL
Source is available from http://www.logicalshift.co.uk/unix/zoom/
Binaries from http://www.logicalshift.co.uk/unix/zoom/

This is the binary distribution of Zoom for Mac OS X. Zoom is a Z-Code interpreter - it plays games designed for the Z-Machine (originally designed by Infocom circa 1979). Modern games are still being produced and are available from http://www.ifarchive.org.

Zoom is licenced under the GPL: this means two things: 
 - NO WARRANTY
 - If you distribute Zoom, you must also make the source code available.
      The source code is available from http://www.logicalshift.co.uk/unix/zoom/
	  
This version is distributed with binary versions of the TADS, Glulx and Hugo runtimes. These are licensed and distributed under different terms than Zoom itself.

A copy of the GPL is attached at the end of this file.

Using Zoom

Zoom can identify games it can play either by filetype or by file extension. Z-Code games either have the 'ZCOD' file type or a .z[x] extension (where [x] is 3, 4, 5, 6, 7 or 8 - eg curses.z5). Once the Finder has 'seen' the Zoom application, you will be able to launch games simply by double-clicking on them. You can also launch games by launching Zoom and choosing them from the file open dialog box that appears.

Features

The Mac OS X version of Zoom is by far the most feature-complete version of Zoom available. It provides the following features:

 - Full support for the Z-Machine as defined by the Z-Machine specification version 1.0/1.1 draft 6
    - Timed input
    - Multiple fonts
    - Font 3
    - Mouse
 - Support for version 6, including pictures and the mouse
 - Text input history
 - Scrollback
 - Dynamic window resizing and font changing
 - Speech output
 - Quickdraw or Quartz rendering (the Quartz rendering is somewhat experimental, but looks a lot better than Quickdraw...)
 - The finder can be used to launch both games and saved game files

Some of these features need to be switched on - see the preferences window within Zoom to do this.

Note that Zoom is fairly liberal in how it lets you up the fonts. This can cause the display to look a bit odd, particularily if you changed the settings of the fixed fonts. In order to make things look correct, you must choose fixed-width fonts for the fixed styles (such as Courier) and make sure that they are all the same size. It appears that some ostensibly fixed width fonts have some slight variation that can lead to a slightly off display: there isn't much you can do about this, except choose a different font.

Zoom has support for Unicode output and input, but the interface to the Quartz text renderer from Carbon doesn't, so this won't work if Quartz rendering is being used. Unicode input is also a bit crufty in places.

Thanks

These people have contributed to this version of Zoom. They have variously contributed patches, bug reports or feature requests. Zoom would not be what it is without them!

Peter Seebach
Christoffer Heggem
Gregg V. Carroll
Volker Lanz
Roger Kenyon
Juho Snellman
Andrew Plotkin
David Kinder
David Given
Frank Otto
Patrik Nordin
Iain Merrick
Alexandre Owen Muniz
Graham Nelson
Andrea Crain
Jason Cook
Michele Zundo
Jan Stoker
Robert D. Mendoza
Collin Pieper
Nick Montford
Dan Parsons
Chris Klimas
Autymn D.C.
Eric Forgeot
Peter Keller
Luke Simon
David Lee
Jesse McGrew
Jim Aikin
Adam Thornton
L. Ross Raszewski
James Jolley

The compiled version of Mac OS X Zoom contains a statically linked version of the expat XML library:

Copyright (c) 1998, 1999, 2000 Thai Open Source Software Center Ltd and Clark Cooper
Copyright (c) 2001, 2002 Expat maintainers.

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Copying

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Plug-in licenses

The plug-ins for TADS, Hugo and Glulx contain binary runners linked to the GlkClient library. These are separate executables and are not governed by the GPL and are bundled with Zoom for convienience's sake.

The GlkClient library is distributed under the terms of the Lesser GNU General Public License.

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Version 0.4.0

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    7. Any derivative works are subject to this same license.

Derivative Works

This source code is distributed for the specific purpose of porting TADS, so that you can run the software on any system of your choosing. All other derivative works are prohibited without the written permission of the author.  I want to avoid the creation of variations on the system, because it leads to confusion on the part of users if there are multiple incompatible flavors floating around.  However, if you have a specific idea in mind, I'd be happy to at least consider it.  Please contact the author if you have any questions about this or if you would like permission to create a derived work.  

If you port TADS to a new platform, the author does grant permission for you to distribute your ported version - I encourage it, in fact. I ask that you include your contact information in any distribution package you create, so that users of your version will know how to contact you if they have any questions relating specifically to your version.

HUGO LICENSE - December 19, 2003

Copyright (c) 2003 by Kent Tessman
The General Coffee Company Film Productions

1.   Definitions

"Copyright Holder" refers to Kent Tessman.

"End User" refers to a user of the Software.

"End User Program" refers to a computer program created by an End User, written using the Hugo Programming Language and compiled using the Hugo Compiler.

"Hugo" refers to the Hugo Interactive Fiction Development System, created by the Copyright Holder.

"Hugo Programming Language" refers to the Hugo programming language and its characteristic syntax.

"Hugo Source Code" refers to the human-readable source code of the Software.

"License" refers to this license.

"Software" refers to the Hugo Compiler, the Hugo Engine, the Hugo Debugger, the Hugo Library, and any other related programs or files.

2.   Ownership and Grant of Rights

2.1  Hugo is the property of the Copyright Holder.  The Copyright Holder retains its copyright in the Software, without limitation.

2.2  The Copyright Holder grants to the End User the right to use the Software solely for the purposes of:

     (a) running programs created with the Software; and

     (b) creating End User Programs.

2.3  End User Programs are the property of the End User.

3.   Provision of the Hugo Source Code

3.1  The Copyright Holder has made available to the End User the Hugo Source Code for the purposes of:

     (a) porting the Software to operating systems for which the Software is not yet available; and

     (b) investigating the functionality of the Software.

3.2  In no way does the Copyright Holder's act of making available the Hugo Source code reduce or otherwise affect in any way its rights in the Hugo Source Code.

4.   Modification and Distribution

4.1  Distribution of the Software or the Hugo Source Code, in whole or in part, in a modified form without the express written consent of the Copyright Holder is prohibited.

4.2  Distribution of the Software or the Hugo Source Code, in whole or in part, for profit or other commercial intent or monetary transaction without the express written consent of the Copyright Holder is prohibited.

4.3  This License must be distributed with any distribution of the  Software or the Hugo Source Code.

5.   Warranty

The Software and the Hugo Source Code are provided "as is" without warranty of any kind, either expressed or implied, including but not limited to the implied warranties of merchantability and fitness for a particular purpose.  In no event shall the Copyright Holder or The General Coffee Company Film Productions or any other related or unrelated party be liable to the End User or any other individual or entity for damages arising out of the use or inability to use these or other programs.  Use of the Software indicates acceptance of these terms.