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46 commits

Author SHA1 Message Date
Bill Currie
8791b35e55 Add support for half floats. 
iqm and OpenGL use them, so they might come in handy. The tests use values
from wikipedia and a couple extra.
 2012-04-26 20:55:11 +09:00
Bill Currie
efaef89c5f Add a shortcut function for quaterion/vector multiplication. 
I got the idea from blender when I discovered by accident that quat * vect
produces the same result as quat * qvect * quat* and looked up the code to
check what was going on. While matrix/vector multiplication still beats the
pants off quaternion/vector multiplication, QuatMultVec is a slight
optimization over quat * qvect * quat* (17+,24* vs 24+,32*, plus no need to
to generate quat*).
 2012-04-26 09:48:08 +09:00
Bill Currie
bc1b483525 Nuke the rcsid stuff. 
It's pretty useless in git.
 2012-04-22 10:56:32 +09:00
Bill Currie
cbd13ac54e Implement QuatExp and fix up QuatBlend's param names. 2012-01-12 21:22:06 +09:00
Bill Currie
ea2ae1436c Fix some bugs in the new matrix functions/macros. 2011-12-31 13:20:31 +09:00
Bill Currie
35bf957d08 Add a 4x4 matrix type and some functions for it. 2011-12-30 20:11:53 +09:00
Bill Currie
91e65b6c80 Rename mplane_t to plane_t and clean up the mess. 
I got rather tired of there being multiple definitions of mostly compatible
plane types (and I need a common type anyway). dplane_t still exists for
now because I want to be careful when messing with the actual bsp format.
 2011-11-28 20:54:34 +09:00
Bill Currie
12e238f806 Add a function to convert quake angles to a quaternion. 
The test works by comparing the result of AngleVectors with forward,
right, and up vectors rotated by the quaternion resulting from AngleQuat.
 2011-09-04 09:58:12 +09:00
Bill Currie
fe3cdbcf5a fix a snafu in quattomat 2011-09-04 09:58:12 +09:00
Bill Currie
eb205d73fd Add a function to convert a quaternion to a rotation matrix. 2011-09-04 09:58:12 +09:00
Bill Currie
33db650161 Add QuatInverse to calculate 1/q. 
There's still no direct quaternion division because I don't know if the
definition of q1/q2 is (1/q2)*q1 or q1*(1/q2) (it does make a difference).
 2011-01-18 22:22:18 +09:00
Bill Currie
13503198e5 Add quat_origin convenience constant. 
Same as vec3_origin in that all elements are zero.
 2011-01-11 08:41:40 +09:00
Bill Currie
99c0954b47 the big dso visibility patch :). Sure, we have to have unique names for static builds, but with controlled visibitly we should get faster program loads (although this isn't C++, so it's not as bad) and complex plugins are cleaner. 2007-03-10 12:00:59 +00:00
Bill Currie
3fb03fc2be hah, should have been using __attribute__((used)) all that time (rather 
than __attribute__((unused))). fixes the missing console in -x11
 2005-08-04 15:27:09 +00:00
Bill Currie
4c4f40f137 fix a few bugs. basics seem to be working 2004-04-08 05:13:24 +00:00
Bill Currie
39685d0c63 more readability and add the quaternion functions 2004-04-07 18:01:45 +00:00
Bill Currie
19ef80c555 this should fix static win32 builds 2004-01-21 00:15:35 +00:00
Bill Currie
7ead5a91f8 don't let gcc automaticly inline functions but make gcc inline bigger 
functions when told to. also make gcc warn if it can't inline a function.

Explicitly inline several functions (including moving VectorNormalize to
mathlib.h so it /can/ be) resulting in a 5.5% speedup for spam2 (88 to 92
fps)
 2003-08-11 06:05:07 +00:00
Bill Currie
6a94607d9d rename VectorMA to VectorMultAdd, add VectorMultSub and use it in a few 
places. Not certain how much speed difference it makes :/
 2003-08-08 15:25:53 +00:00
Ragnvald Maartmann-Moe IV
bf18436ad5 Whitespace. 2003-03-21 00:51:57 +00:00
Bill Currie
72d1343735 add some comments about the coordinate systems used in AngleVectors 2003-03-10 20:44:50 +00:00
Bill Currie
761a7546dd re-arrange things so __attribute__ and __builtin_expect are properly 
autoconfiscated so rcsid will continue to work with gcc 3.3
 2003-01-15 15:31:36 +00:00
Bill Currie
71196fedf6 make gcc more anal about prototypes, string constants and function 
visibility (ie, global functions must have a prototype)
 2003-01-06 18:28:13 +00:00
Bill Currie
d25ee82838 provide a tighter accuracy (but slower) _VectorNormalize for the tools 2002-09-25 21:35:49 +00:00
Bill Currie
56843557f6 make _VectorCompare use EQUAL_EPSILON (VectorCompare is still the fast 
macro) and use it instead of VectorCompare in the map tools. This (and, it
seems, RINT) fixes qfbsp on spc. Also, jump /all/ entities that get hit
by the filler in qfbsp
 2002-09-20 17:02:53 +00:00
Ragnvald Maartmann-Moe IV
d757c10f07 Only need one define for R_Cull* 2002-08-23 20:46:19 +00:00
Ragnvald Maartmann-Moe IV
6e8bd2aeb0 defines and ifdefs for R_CullSphere, just like R_CullBox. 2002-08-23 07:04:29 +00:00
Ragnvald Maartmann-Moe IV
c91f1a2aea Rename Length to VectorLength. 2002-08-20 02:22:40 +00:00
Ragnvald Maartmann-Moe IV
fd1ded5c4a Add r_nearclip and r_particles_nearclip. Also put some limits on r_farclip. And fix id's insane max and min float, and some minor improvements in frustum setup in GL. 2002-06-26 22:20:12 +00:00
Bill Currie
44dcf74627 strip the \n from all(?) of the Sys_Error calls (Sys_Error itself will be 
adding \n).
 2002-05-14 06:12:29 +00:00
Bill Currie
630aa80dc4 various cleanups including TODOs and FIXMEs and rewrite va to use a dynamic 
buffer.
 2002-01-12 04:34:53 +00:00
Bill Currie
36bb62c3c5 rewrite CrossProduct so memory is accessed more linearly. should provide 
a tiny speedup for servers and clipped skyboxes
 2002-01-04 06:13:50 +00:00
Bill Currie
013f503738 start getting const-correct on vec3_t params 2002-01-03 05:29:38 +00:00
Bill Currie
21686adf10 remove redundant prototype 2001-12-03 23:40:07 +00:00
Ragnvald Maartmann-Moe IV
7ea1051b9a Code cleanups. 2001-10-30 19:55:34 +00:00
Bill Currie
b1f4a778f9 the rcsid commit from hell }:> 2001-09-28 06:26:31 +00:00
Ragnvald Maartmann-Moe IV
fb7918d4f8 Optimize DEG2RAD a little, plus some whitespace. 2001-09-10 04:20:27 +00:00
Bill Currie
0d55476711 make VectorSubtract and VectorCompare macros and clean up the readability 
of R_DrawParticles
 2001-08-29 20:19:54 +00:00
Ragnvald Maartmann-Moe IV
edcf092b05 Whitespace, dammit. Oh, and removal of several orphaned comments. Comments in front of functions suck. 2001-08-22 22:03:16 +00:00
Zephaniah E. Hull
8f011f91ec Length is now a #define, not a bloody function! 2001-08-15 23:01:56 +00:00
Bill Currie
647d38fa40 Make R_MarkLights use the vis info to speed things up. Oddly, even though 
R_MarkLights is now about 3% instead of about 15%, I've lost 8 fps on my
null GL speed test. However, R_AddDynamicLights has jumped up a bit, so I'm
wording if maybe more surfaces are being lit.
 2001-08-05 04:01:45 +00:00
Bill Currie
cc68e1a12e qf now links with NO optimisation (not even -O). R_CullBox has been moved from 
glquake.h to mathlib.h (along with the declaration for frustum) and the
extern inline keyworws protected by an ifndef so that mathlib.c can cause
R_CullBox to be compiled publicly. The definition of frustrum has been moved
from its verious locations into mathlib.c.
 2001-05-07 04:08:34 +00:00
Adam Olsen
ed0b391dfb Tweaked some comment indentation that made me itch ;) 2001-04-10 02:36:50 +00:00
Zephaniah E. Hull
a16b2c0070 Borrowed LH's VectorVectors. 
Changed smoke trails a good bit.
 2001-04-06 18:37:23 +00:00
Bill Currie
f78b973978 move the api headers into include/QF and clean up (most of) the resulting mess. 
target specific files that I don't build won't compile yet. just put QF/
infront of the offending headers.

Also move ver_check into libqfutils
 2001-03-27 20:33:07 +00:00
Bill Currie
09b58f7e5f merge math code into utils 2001-03-05 02:06:05 +00:00
Renamed from qw/source/mathlib.c (Browse further)