| Age | Commit message (Collapse) | Author |
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svn-id: r20582
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svn-id: r20444
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svn-id: r20088
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files marked as being on both CDs (I haven't seen any such file -- ever),
treat it as if it's on the hard disk.
Also, the "cd" field of the ResourceFile struct now holds 0, 1 or 2, not
the bit flags from the data file. (This last change is not in the 0.8
branch.)
svn-id: r19884
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all.
svn-id: r19879
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bug report from the forum.
svn-id: r19865
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supposed to be reading data from. Maybe this will help track down the
mysterious missing speech problem reported on the forum.
svn-id: r19823
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svn-id: r19776
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(in one case) by not allocating file handles dynamically. While this isn't
really necessary at the moment, it makes it easier to find the real memory
leaks, if there are any.
svn-id: r19775
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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
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svn-id: r19142
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more or less serious bugs here:
* The fnResetGlobals() function returned IR_CONT. Since it potentially
kills its own script resource, this can lead to illegal read accesses.
Not it returns IR_STOP instead. This was probably a bug in the original
interpreter as well, but it handled memory allocation quite differently
so it was probably never an issue.
* Since fnResetGlobals() forcibly closes resources, I've changed the
closeResource() function to silently ignore requests to close resources
where the data pointer is NULL. While it could signify an error, it isn't
necessarily so.
* Don't force the screen to fade up after the credits -- let the script do
it instead. This prevents it from fading up the wrong image.
svn-id: r19127
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svn-id: r18604
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that's how we write it in most other places.
svn-id: r18069
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svn-id: r18037
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svn-id: r17963
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svn-id: r16913
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svn-id: r16861
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svn-id: r16859
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index tables in memory instead of accessing them over and over again, which caused major slowdowns with cd accesses.
Also, the caching of datafiles depends on the memory usage now, not on the number of screens that the player entered in the meantime.
The old behaviour made the engine run out of memory on the PS2.
svn-id: r16843
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classes: Screen and Mouse. Screen handles most of the drawing, except the
mouse cursor and in-game menus.
The old Graphics class is no more.
I've also fixed some "reverse stereo" regressions from the first part of
the restructuring.
I'm not sure what the next step will be, but hopefully it will be smaller
than this one was.
svn-id: r16812
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the same thing as one for each music stream. If both music streams are
playing music from the same CD, they will both take turns at using the same
file handle.
The only case where both file handles are used is when music from one CD is
fading in while music from the other CD is fading out. Which of course can
only happen if you play the game from hard disk. If the game has to ask for
the other CD, it kills the music immediately.
The reason for doing this is that there was some concern about whether
having two file handles open to the same file was portable or not. I don't
think that question was ever fully answered, so I avoid the situation.
svn-id: r16753
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In this first step, I have moved all opcode functions into functions.cpp,
instead of having them scattered all over the place.
To get things to compile again, I had to rewrite the overly complicated
sound effects handling. It's much simpler now.
The next step will be to move any non-trivial code out of the opcode
functions and into the appropriate object. This, I hope, will make it
easier to create well-separated objects, instead of the current mess.
I also want to tear down the artificial boundary between the main directory
and the "driver" directory. We already have a cross-platform layer; there's
no need to have yet another one. (Actually, the rewriting of the sound
effects code took one first step in this direction.)
At the final stage, I'd like to get rid of the "drivers" directory
completely, but I'll probably need some help with that if I want to
preserve the CVS history of the code.
Things will probably be a bit bumpy along the way, but I seem to have
reached a point of relative stability again, which is why I'm commiting
this now.
svn-id: r16668
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svn-id: r16580
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svn-id: r16397
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File::exists method
svn-id: r15913
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svn-id: r15810
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svn-id: r15193
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They're generally the largest resources in the cache by far (though some
ANIMATION_FILE resources are about as big).
I still don't know how much benefit there is to resource caching, but some
of it is definitely needed, or the game won't work properly. Oh well, as
long as no one complains about the extra memory usage...
svn-id: r15079
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command, would close the global script variables and player object
resources, without reopening them again. This made them fair game for the
resource expiration mechanism. The player object is probably referenced
often enough to stay alive, but the variables died on me pretty quickly,
causing ScummVM to crash.
I've also added a "reslist" debug command to make this sort of things
easier to spot. By default it only lists resources with refCount > 0. Use
"reslist 0" to see all the cached resources as well.
svn-id: r14958
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more getGameDataPath() calls
svn-id: r14090
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or presses a button. This is how displayMsg() was always used, so the only
difference is that the code to check for events is no longer outside the
function.
In the process, it turned out that removeMsg() was probably unnecessary so
I have removed it. May cause regressions, but we can deal with them later.
svn-id: r13953
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our other engines do this, so there is little reason for BS2 to. I did add
a filtering mechanism so that mouse button releases and scroll wheeling is
ignored during normal gameplay, but I don't know if that was necessary
either.
Since this left little more than an empty husk where the Input class used
to be, I've eliminated that class and buried its remains in Sword2Engine.
svn-id: r13812
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svn-id: r13810
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to keep its own copy of the sound data. It could be even further simplified
(I don't really see any reason for having two different sound queues), but
I seem to have reached a point of stability here and I don't want to jinx
it by making further changes yet.
svn-id: r13705
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and I may as well clear it when a resource is read from disk as well.
svn-id: r13606
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resource manager. All new code! All new bugs!
svn-id: r13603
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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
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the game starts. (I know it could look prettier, but I don't have much to
work with here...)
svn-id: r13178
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svn-id: r12739
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svn-id: r12504
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svn-id: r12348
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svn-id: r12322
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deleted.
svn-id: r12211
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svn-id: r12181
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the missing file may be the one with the resource for the global variables.
svn-id: r12112
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checking the GF_DEMO flag. (There's still one "unnecessary" reference to
GF_DEMO in functions.cpp, but I plan on rewriting that function soon so I
don't want to touch it right now.)
svn-id: r12009
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"StandardHeader" instead of "_standardHeader".
svn-id: r11997
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svn-id: r11704
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svn-id: r11528
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