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path: root/sword2/interpreter.cpp
AgeCommit message (Collapse)Author
2006-01-18Update copyright noticeEugene Sandulenko
svn-id: r20088
2005-11-13Changed debug level to be slightly more consistent with Broken Sword 1.Torbjörn Andersson
svn-id: r19589
2005-10-29Applied my own patch #1341495, in an attempt to fix alignment issuesTorbjörn Andersson
reported by Crilith. To elaborate a bit, the engine no longer accesses resource data through packed structs. Instead it uses memory streams and the READ/WRITE functions. If data is mainly read, not written, I have replaced the old struct with a new one with a read() function to read the whole thing from memory into the struct's variables, and a write() function to dump the struct's variables to memory. In fact, most of these write() functions remain unused. If data is both read and written, I have replaced the struct with a class with individual get/set functions to replace the old variables. This manipulates memory directly. Since I'm fairly sure that these structs are frequently stored as local variables for a script, all script variables (both local and global) are stored as little-endian and accessed through the READ/WRITE functions, rather than being treated as arrays of 32-bit integers. On a positive note, the functions for doing endian conversion of resources and save games have been removed, and some general cleanups have been made to assist in the rewrite. Initial reports indicate that this patch indeed fixes alignment issues, and that I have not - surprisingly - broken the game on big-endian platforms. At least not in any immediately obvious way. And there's still plenty of time to fix regressions before 0.9.0, too. svn-id: r19366
2005-10-18Update FSF address. Eek. Actually that took place on May 1, 2005Eugene Sandulenko
svn-id: r19142
2005-07-09This should really be two or three different commits, but I'm too lazy forTorbjörn Andersson
that: * Re-worked the elevator script bug workaround so that it's more consistent with the other two script bug workarounds. * Some renamings to make it more clear that game events and input events are two completely different things. * Added function for clearing pending input events, and used that to fix an annoying keyboard repeat bug when closing the debug console. (The console would keep re-opening because the key press to open it kept repeating even though the key had been released.) svn-id: r18522
2005-06-28Worked around script bug which could cause Nico to be in the wrong state atTorbjörn Andersson
the Docks scene in London. See bug #1214168 for details. (The bug was not serious, but could cause some very obvious glitches.) svn-id: r18475
2005-05-12Whitespace: "(type *)something" instead of "(type *) something", becauseTorbjörn Andersson
that's how we write it in most other places. svn-id: r18069
2005-01-17Updated copyright header, as discussed on the mailing list.Torbjörn Andersson
svn-id: r16580
2005-01-01Updated copyright year.Torbjörn Andersson
svn-id: r16397
2004-12-27Don't use pointers to int. We don't know what size an "int" is.Torbjörn Andersson
Also, failing the script checksum test is no longer a fatal error. There has been a report that could mean there is a German version with incorrect checksums. Whether or not this change will make it playable is an entirely different matter, of course. svn-id: r16341
2004-11-14CleanupTorbjörn Andersson
svn-id: r15810
2004-11-11Fixed comment typo. It's the pyramid bug that's dreaded, not the pyramidTorbjörn Andersson
itself. :-) svn-id: r15789
2004-10-19Use the same REDUCE_MEMORY_USAGE trick here as in scumm/intern.hTorbjörn Andersson
svn-id: r15612
2004-04-26Tweaked a few things to accommodateJamieson Christian
MSVC6's idiosyncracies. svn-id: r13644
2004-04-23Major revamping of the BS2 memory manager and, some small changes to theTorbjörn Andersson
resource manager. All new code! All new bugs! svn-id: r13603
2004-04-07Added notice about how I think CP_PUSH_LOCAL_ADDR is used.Torbjörn Andersson
svn-id: r13493
2004-04-07Cleanup. (Mostly to change the wording and priority of the debuggingTorbjörn Andersson
messages to be more like in BS1.) svn-id: r13491
2004-03-29Cleanup.Torbjörn Andersson
This removes a bunch of debugging code/commands that either didn't do anything useful under ScummVM (e.g. "soft" and "hard"), or which did things that was already easily avaiable elsewhere (e.g. "save" and "restore"). I didn't have the heart to remove the "tony" command, though. :-) svn-id: r13422
2004-03-28Fixed paramters to match format string.Torbjörn Andersson
svn-id: r13406
2004-03-17Use the same syntax for accessing script variables as BS1 does, i.e. nowTorbjörn Andersson
it's Logic::_scriptVars[ID] instead of just ID. Apart from looking cool, it makes it much easier to tell the difference between variables and constants when looking at the code. Of course, this sort of sweeping changes is jolly good for introducing truly weird regressions, which is why I waited until after 0.6.0. svn-id: r13331
2004-02-05Removed some of the #includes from sword2.hTorbjörn Andersson
svn-id: r12739
2004-01-10I forgot this in the previous cleanup.Torbjörn Andersson
svn-id: r12311
2004-01-10cleanupTorbjörn Andersson
svn-id: r12309
2004-01-06It's a new year in BS2 land, too!Torbjörn Andersson
svn-id: r12181
2003-12-29tiny cleanupTorbjörn Andersson
svn-id: r12017
2003-12-28Hopefully the last big renaming. Now the datatypes have names likeTorbjörn Andersson
"StandardHeader" instead of "_standardHeader". svn-id: r11997
2003-12-20Make VC6/EVC happierNicolas Bacca
svn-id: r11764
2003-12-17cleanupTorbjörn Andersson
svn-id: r11704
2003-12-14Mostly cleanups, but I believe this also fixes an endian problem in theTorbjörn Andersson
"restart script" opcode. To actually verify this, though, I'd need to find a case where any other script than script 0 at offset 0 is restarted... svn-id: r11638
2003-11-29Clarified comment about the elevator script bug and added a workaround forTorbjörn Andersson
the dreaded Pyramid Bug. svn-id: r11427
2003-11-28Some formatting changes, and a few debug message corrections.Torbjörn Andersson
svn-id: r11384
2003-11-27Mostly whitespace changes, but also a few modifications to the stillTorbjörn Andersson
experimental resource dumping code. svn-id: r11382
2003-11-25Removed some spurious semi-colons pointed out in patch #847464Torbjörn Andersson
svn-id: r11366
2003-11-24Removed redundant information from the opcode list. I thought having theTorbjörn Andersson
number of parameters to a function would be useful for debugging, but that information is already available in the script data itself. svn-id: r11360
2003-11-23Added experimental (i.e. not tested) resource dumping code.Torbjörn Andersson
Added tentative workaround for the bug (a script bug, I think) that causes the game to hang when examining the lift at the top of the pyramid. And, of course, some misc. cleanup. svn-id: r11359
2003-11-16More cleanup. I've eliminated all the temporary global variables I've addedTorbjörn Andersson
over the past few weeks, except for g_sword2. (Of course, this doesn't necessarily make the code any prettier, but we can work on that later.) svn-id: r11309
2003-11-10The script engine frequently needs to pass pointers to various structuresTorbjörn Andersson
etc. to the different opcodes. Until now it has done so by casting the pointer to an int32 (opcode parameters are represented as arrays of int32) and then the opcode function casts it back to whatever pointer it needs. At least in C there is no guarantee that a pointer can be represented as an integer type (though apparently C99 may define such a type), so this has struck me as unsafe ever since I first noticed it. However, since all such pointers appear to point to the memory block owned by the memory manager, we can easily convert them to integers by treating them as offsets into the memory block. So that's what I have done. I hope I caught all the occurences in the opcode functions, or we're going to have some pretty interesting regressions on our hands... svn-id: r11241
2003-10-28bs2 -> sword2Max Horn
svn-id: r10997
2003-10-26Enable the debug console. Actually, what I've done is to adapt the debugTorbjörn Andersson
console from the SCUMM engine. I decided that would be easier than to clean up the original console code. Unfortunately there's a bunch of code that I just copied - a pretty lousy form of code-reusal. It'd be nice if the console could be made part of the Engine class, or something like that. Most of the debug commands seem to be working. Some aren't relevant for ScummVM, and some are a bit obscure so I'm not quite sure what they're supposed to be doing. svn-id: r10978
2003-10-23Corrected/clarified some debug messages/commentsTorbjörn Andersson
svn-id: r10945
2003-10-22Moved a few remaining pieces of the script interpreter into the Logic classTorbjörn Andersson
svn-id: r10939
2003-10-21Moved some more stuff into the Logic class.Torbjörn Andersson
svn-id: r10923
2003-10-19Small cleanup, and added FIXME comment.Torbjörn Andersson
svn-id: r10907
2003-10-18Moved the opcode functions into the Logic class.Torbjörn Andersson
svn-id: r10885
2003-10-04Changed to use #include "bs2/..." and removed the inclusion of standard CTorbjörn Andersson
headers. Most (all?) of the ones we need should probably come from stdafx.h instead. svn-id: r10588
2003-10-04added namespace Sword2Max Horn
svn-id: r10581
2003-09-27More cleanup, and I've replaced most - not quite all - of BS2's debugTorbjörn Andersson
message functions with our own. We still need to go through them and assign sensible debug levels to them. svn-id: r10422
2003-09-24Replaced abs() with ABS and BOOL with bool, plus some minor cleanups.Torbjörn Andersson
svn-id: r10391
2003-09-21ScummVM code formatting conventionsTorbjörn Andersson
svn-id: r10350
2003-09-20Clarified commentTorbjörn Andersson
svn-id: r10334
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