Commit graph

872 commits

Author SHA1 Message Date
Bill Currie
247f3be0c0 Create reentrant versions of the set functions that need it.
Only the functions that allocate or delete sets or iterators.
2013-03-18 13:20:39 +09:00
Bill Currie
27bb337a60 Use set_bits_t for holding set elements.
set_bits_t is now 64 bits for x86_64 machines (in linux, anyway). This gave
qfvis a huge speed boost: from ~815s to ~720s.

Also, expose some of the set internals so custom set operators can be
created.
2013-03-16 21:26:49 +09:00
Bill Currie
7753583bfd Catch accuracy errors.
I'd forgotten to set the result flag. Unfortunately, the errors can get
very bad (1e-3) it seems :(
2013-03-13 17:16:34 +09:00
Bill Currie
6eec76dd49 Implement Fischer's SEB algorithm (for 3d).
Now we can get tight (<1e-6 * radius_squared error) bounding spheres. More
importantly (for qfvis, anyway) very quickly: 1.7Mspheres/second for a 5
point cloud on my 2.33GHz Core 2 :)
2013-03-13 17:10:55 +09:00
Bill Currie
9bbf1a9110 test the right cs function (oops) 2013-03-13 16:38:56 +09:00
Bill Currie
3193ffd9cc Better (-1..1) random numbers.
Now the distribution should be more even as the rng doesn't affect the
exponent.
2013-03-13 14:41:04 +09:00
Bill Currie
b6d4766201 Add a function to find the circumsphere of up to 4 points.
It seems to be a little sloppy (an error of a bit less than 1e-4). This
might be why I'm having trouble with my SEB code.
2013-03-13 14:35:30 +09:00
Bill Currie
0cd6d93030 Add a function to get the barycentric coords of a point.
It "works" for lines, triangles and tetrahedrons. For lines and triangles,
it gives the barycentric coordinates of the perpendicular projection of the
point onto to features. Only tetrahedrons are guaranteed to reproduce the
original point.
2013-03-12 14:16:42 +09:00
Bill Currie
ca0b03687f Change the naming of ALLOC's free-list.
Rather than prefixing free_ to the supplied name, suffix _freelist to the
supplied name. The biggest advantage of this is it allows the free-list to
be a structure member. It also cleans up the name-space a little.
2013-03-08 22:16:31 +09:00
Bill Currie
eb2828e11c Add a function to pre-allocate space for a large set.
When the maximum set size is large but constant, and members will be added
one at a time, growing the set dynamically is not very efficient.
2013-03-07 10:27:30 +09:00
Bill Currie
8e86ce9de9 Implement Sys_LongTime and wrap it with Sys_DoubleTime.
Sys_LongTime returns time in microseconds as a 64-bit int. Sys_DoubleTime
uses Sys_LongTime, converts to double and offsets 0 time by 4G (2**32).
This gives us consistent sub-microsecond precision for a very long time.

See http://randomascii.wordpress.com/2012/02/13/dont-store-that-in-a-float/
2013-02-27 14:29:28 +09:00
Bill Currie
32b76b3576 Do not try to create directories that already exist.
It seem that solaris will return EACCESS instead of EEXIST if the user
doesn't have write permission in the parent directory.
2013-02-20 14:03:03 +09:00
Bill Currie
a611ad57de Add Sys_isdir. 2013-02-20 13:59:31 +09:00
Bill Currie
4e7e7c3ab0 Rename Sys_FileTime to Sys_FileExists.
The function never did anything but check the readability of the file.
2013-02-07 15:43:26 +09:00
Bill Currie
c6f9d8b64c Reduce CFLAGS abuse a little for mingw targets.
This fixes missing debug info (useful for fixing linker errors, if nothing
else).
2013-01-28 16:21:42 +09:00
Bill Currie
d139640755 Make fs_userpath default to ~/quakeforge on windows.
The ~ gets expanded to CSIDL_LOCAL_APPDATA, $HOME, $USERPROFILE or just
".", whichever succeeds first. The usual location will be:
"C:\windows\profiles\<user>\Local Settings\Application Data".

"." is now the fallback for *nix systems too.
2013-01-23 11:10:19 +09:00
Bill Currie
e27d7cbd2d Handle alloca "correctly".
Use AC_FUNC_ALLOCA and the #ifdef mess suggested by the autoconf docs
(hidden in qfalloca.h).
2013-01-22 21:02:50 +09:00
Bill Currie
5188644e75 Implement the Mersenne Twister PRNG.
This gives QF a consistent qualilty PRNG on all platforms. The
implementation is slightly different from the standard, but gives the same
results for the same speed (details in mersenne.c).
2013-01-21 20:05:16 +09:00
Ozkan Sezer
cdbb2ad030 Fix incorrect parsing of comments.
Parsing /*..*/ style comments would stop at the first *.
2013-01-16 10:31:02 +09:00
Bill Currie
d6bb5bec86 Use the already calculated string length.
No point doing it twice.
2013-01-08 18:10:27 +09:00
Bill Currie
a4714ac9b5 Correctly parse octal escapes for plist strings.
It seems the code expected octal escapes to always start with 0. This is
not the case. Also, octal escapes are limited to 3 digits (and hex to 2).

This fixes the garbled bold text in ITS.
2013-01-08 16:54:23 +09:00
Bill Currie
febb615580 Create a test for octal chars in plist strings.
Both reading and writing.
2013-01-08 16:32:57 +09:00
Bill Currie
49d07ce452 Implement MH's version of Sys_DoubleTime for windows.
From http://forums.inside3d.com/viewtopic.php?p=36239
2013-01-05 17:52:54 +09:00
Bill Currie
9d6954efb7 Fixup extended bsp when loading the file.
It turns out the tools need the node conversions too, so doing it in
bspfile seems to be best as it is used by everything that reads a bsp file.
2012-12-30 13:29:24 +09:00
Bill Currie
7a86ea2d41 Do not use the bsp2 header when byteswapping the header.
The bsp2 header is not necessarily correct (or even present), but the bsp29
header is: it was setup via set_bsp32_write. This fixes the bsp corruption
when vising a map (and, I expect, any problems with qfbsp on a big-endian
machine).
2012-12-29 20:57:55 +09:00
Bill Currie
6eb6b6c0ba Change pointer_t to unsigned and clean up the mess.
It doesn't make sense to have negative pointers. The size of the commit is
from enabling gcc's -Wtype-limits warning and cleaning up that mess too.
2012-12-21 21:53:13 +09:00
Bill Currie
84a68b139e Rename set_iter_t's value to element.
Correct terminology and all :)
2012-12-21 14:09:00 +09:00
Bill Currie
3e38c4aa48 Merge branch 'qfcc-cse'
qfcc now does local common subexpression elimination. It seems to work, but
is optional (default off): use -O to enable. Also, uninitialized variable
detection is finally back :)

The progs engine now has very basic valgrind-like functionality for
checking pointer accesses. Enable with pr_boundscheck 2
2012-12-13 20:17:28 +09:00
Bill Currie
6473951daa Make the set notation more correct.
The empty set is now {}, the set of everything is now {...} and the rest
now have {} around the members.
2012-12-09 22:17:55 +09:00
Bill Currie
061e2be5d4 Re-write the set testing code.
Getting everything right with an enum proved to be too difficult if not
impossible. Also use better tests for equivalence and intersection.

Many more tests have been added. All pass :)
2012-12-09 13:52:48 +09:00
Bill Currie
94e804d786 Make some more set_test fixes.
Two inverted sets can never be disjoint.
2012-12-07 22:25:36 +09:00
Bill Currie
56956fc370 Rewrite the intersection tests.
The early bailout proved to be difficult to get right, so don't bother.
2012-12-07 22:16:51 +09:00
Bill Currie
98c9e4f8c0 White space. 2012-12-07 22:16:22 +09:00
Bill Currie
f3328a61c7 More tests and update a comment. 2012-12-07 22:16:07 +09:00
Bill Currie
b053edee17 Fix the handling of size in set_expand.
It was correct for set_add, but not for other ops :/ (out by 1)
2012-12-07 20:44:09 +09:00
Bill Currie
770a40cef0 Add a bunch more tests.
Even found some bugs :)
2012-12-07 20:43:11 +09:00
Bill Currie
39920a4ea7 Fix the type when converting set of everything to string. 2012-12-07 19:35:37 +09:00
Bill Currie
c76231ca30 Add some very basic tests for sets.
They test creation, empty, everything and inversion. Already found a bug
(typo: "everythign" :P)
2012-12-07 19:34:34 +09:00
Bill Currie
e0c92b6089 Rename set_iter_t's member to value.
Makes more sense now that the membership of the value depends on the
inversion of the set.
2012-12-06 21:11:38 +09:00
Bill Currie
eb8fd55677 Move set.c into libQFutil.
Also move the ALLOC/FREE macros from qfcc.h to QF/alloc.h (needed to for
set.c).

Both modules are more generally useful than just for qfcc (eg, set
builtins for ruamoko).
2012-12-06 20:52:53 +09:00
Bill Currie
67b796f851 Fix a silly error in bsp extents checking.
Found while hunting for rhinodemons.
2012-11-23 14:38:15 +09:00
Bill Currie
fe9fb41f93 Correct some very suspicious looking code.
While accessing short foo[2][4]; as foo[0][0..7] should work in theory, who
knows what gcc does with it when optimizing. I don't know if this will fix
johnnyonflame's bsp loading problem, but no point in having rhinodemonic
code hanging around.
2012-11-23 14:35:34 +09:00
Bill Currie
4b503c7f72 Store the requested size in the block.
This necessitated disabling the id2 padding, but it's only commented out
incase there's more growth. Now the (compiler) error in -addObjectNoRetain
is caught ealier.
2012-11-19 21:50:42 +09:00
Bill Currie
8ee98e1ef5 Rename memblock_s's size to block_size.
In order to improve the pointer checking, I plan on adding a size field to
represent the requested size.
2012-11-19 21:35:27 +09:00
Bill Currie
49ad301d3d Add improved memory checking to progs.
With pr_boundscheck >= 2, pointer access will be checked against allocated
blocks (qfvalgrind?:). Currently extremely basic, but it seems to work.
2012-11-19 20:03:21 +09:00
Bill Currie
ec42bde527 Make hash tables more const correct.
And clean up the resulting mess :/
2012-10-27 11:44:31 +09:00
Bill Currie
cfb856b9cf Fix byteswapping of a node's firstface/numfaces.
I'd forgotten to fix this.
2012-09-08 09:38:22 +09:00
Bill Currie
0ce32a793e Return the correct size for set_bsp*_write().
Need to subtract the size of the bsp_t/bsp29_t struct. Now old and new
qfbsp produce identical bsps (so long as they're both unoptimized, or
(probably) both optimized).
2012-09-07 20:42:04 +09:00
Bill Currie
2d30cddc66 Implement bsp2/bsp29 writing.
It's ugly, inefficient, and untested, but it should work.
2012-09-07 18:27:20 +09:00
Bill Currie
3df85a6abe Fix reading bsp29 files. 2012-09-07 17:37:46 +09:00