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129 Commits
Author SHA1 Message Date
Echelon9 97a134e51f Simplify duplicative math/ includes. 2015-06-22 20:24:30 +10:00
Echelon9 c5493bb480 Scripted sort and uniq on (internal) project includes. Improves search time and as a by product removed a number of duplicative includes. 2015-06-22 20:24:30 +10:00
Peter Mitsis fc6f7cbbb6 Add static and const keywords to vector math routines 
Improves readability.  It also has the potential to help the compiler make
better decisions.

Signed-off-by: Peter Mitsis <[email protected]>
 2015-06-20 08:01:25 -04:00
Peter Mitsis 7c2eb53e62 Remove unused routine vm_fvec_matrix_interpolate() 
Not only is the routine vm_fvec_matrix_interpolate() unused, it does not appear
to have been used for the duration of the project.  The only reference to it
found in the history was in a removed comment.  That comment indicated that it
was implemented in 1997.

Signed-off-by: Peter Mitsis <[email protected]>
 2015-06-20 07:59:34 -04:00
Fabian Woltermann b9f9afe26a Revert "Merge pull request #181 from PeterMitsis/math-cleanup" 
This reverts commit 1192c1dafc, reversing
changes made to 8643fa7327.
 2015-06-15 08:58:59 +02:00
Peter Mitsis 85f50d9c94 Streamline vm_quaternion_rotate() 
Calculates sinf(theta * 0.5) once only instead of three times.

Signed-off-by: Peter Mitsis <[email protected]>
 2015-06-13 23:14:31 -04:00
Peter Mitsis 1af0f814c9 Refactor bez_fact() 
Uses an array of precalculated factorials that are accessed as a lookup table
instead of computing the factorials at runtime.  This cuts down on compiled
code bloat (compiler was both unrolling and inlining the computation's loop)
everywhere it was used.

NOTE: The original implementation returned an 'int'.  As a result, the largest
uncorrupted factorial it could compute was 12!.  For this reason, the lookup
table only goes up to 12!.

Signed-off-by: Peter Mitsis <[email protected]>
 2015-06-13 23:14:31 -04:00
Peter Mitsis 42dc0fcc74 Streamline fl_radians() and fl_degrees() macros 
Rewrites the macros to avoid unnecessary divisions.  The compiler is now free
to precalculate the scaling ratio and perform it in a single multiply.  Note
that the previous placement of the parentheses meant that the compiler (at
least GCC) was performing a multiply followed by a divide.

Signed-off-by: Peter Mitsis <[email protected]>
 2015-06-13 23:14:31 -04:00
Peter Mitsis 93639e967c Cosmetic: Do not check for negative vector magnitudes 
Mathematically, the magnitude of a vector can not be negative.

Signed-off-by: Peter Mitsis <[email protected]>
 2015-06-13 23:14:31 -04:00
Peter Mitsis 3f0476a880 Streamline vm_angle_2_matrix() 
The values of sin(0) and cos(0) are well known and do not need to be calculated
at run time.

Signed-off-by: Peter Mitsis <[email protected]>
 2015-06-13 23:14:31 -04:00
Peter Mitsis a92ebdc08a Remove commented out from vm_vec_copy_normalize() 
The commented out code was cluttering things up.

Signed-off-by: Peter Mitsis <[email protected]>
 2015-06-13 23:14:30 -04:00
Peter Mitsis ee40ac7089 Streamline vm_vec_avg_n() 
Instead of perform three consecutive divisions, vm_vec_avg_n() now performs one
division at the start and three multiplications at the end.  Recall that
multiplication is faster than division.

Signed-off-by: Peter Mitsis <[email protected]>
 2015-06-13 23:14:30 -04:00
Peter Mitsis b883078ce8 Remove unnecessary checking before atan2_safe() 
The routine atan2_safe() already contains a test that checks if both parameters
are zero--that is the point of the routine.  Thus, there is no need for the
caller of atan2_safe() to perform that same check.

Signed-off-by: Peter Mitsis <[email protected]>
 2015-06-13 23:14:30 -04:00
Peter Mitsis 748fe8e5dd Remove unnecessary vm_vec_normalize() checks 
The routine vm_vec_normalize() always returns a non-zero value.

Signed-off-by: Peter Mitsis <[email protected]>
 2015-06-13 23:14:30 -04:00
Peter Mitsis c9003f0c9d Remove unnecessary vm_vec_copy_normalize() checks 
The routine vm_vec_copy_normalize() always returns a non-zero value.

Signed-off-by: Peter Mitsis <[email protected]>
 2015-06-13 23:14:30 -04:00
Peter Mitsis 391be952f5 Add static and const keywords to vector math routines 
Improves readability.  It also has the potential to help the compiler make
better decisions.

Signed-off-by: Peter Mitsis <[email protected]>
 2015-06-13 23:14:30 -04:00
Peter Mitsis 49d6474237 Update vecmat.h and vecmat.cpp file mode bits 
Changes the file mode bits of vecmat.h and vecmat.cpp to make them consistent
with the other files under "code/math".

Signed-off-by: Peter Mitsis <[email protected]>
 2015-06-13 23:14:30 -04:00
Axem 4b20b46509 Commit because reasons? (Why git, why) 2015-06-03 17:44:37 -05:00
Axem 61e4f739ce Adds On Beam Fire scripting hook 2015-05-31 18:02:36 -05:00
MageKing17 9a5fa95c54 Add subspace beam strikes. 
Overhaul hudartillery.cpp to use STL containers (removes hardcoded limits on maximum number of strike types, simultaneously active strikes, and projectiles per strike), use modular tables, allow for different shape options, and allow beams as the weapon.
 2015-05-15 16:19:44 -07:00
Swifty c620372357 Soft shadows, deferred lighting, and various major graphics optimizations. 2015-05-02 14:35:37 -07:00
Lari Nieminen 418d53f169 Removed false "returns ptr to vector" comments. 2015-04-27 11:57:39 +03:00
Goober5000 872bbe2a11 improve sexp code for obtaining pitch/bank/heading with the following changes: 1) use an alternate algorithm for extracting angles from an orientation matrix 2) properly round floats to integers when converting to degrees 
git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@11180 387891d4-d844-0410-90c0-e4c51a9137d3
 2014-11-29 19:53:19 +10:00
Goober5000 414daaaed8 Mantis #3127: fix the spatial check in the rewritten algorithm 
git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@11157 387891d4-d844-0410-90c0-e4c51a9137d3
 2014-10-27 18:23:02 +10:00
Goober5000 fe775aeedf xt branch: optimizations in fvi.cpp 
git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@11126 387891d4-d844-0410-90c0-e4c51a9137d3
 2014-10-13 12:24:22 +10:00
Goober5000 5c0bc126bb xt branch: tweaks to vecmat.cpp 
git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@11125 387891d4-d844-0410-90c0-e4c51a9137d3
 2014-10-13 12:24:20 +10:00
Goober5000 f2d8277452 xt branch: additional optimizations using RAND_MAX_1f 
git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@11121 387891d4-d844-0410-90c0-e4c51a9137d3
 2014-10-12 18:22:12 +10:00
niffiwan bfa3397dbd Fix mantis 2985 (from Yarn) 
Fix float-to-int rounding errors in gr_[re|un]size_screen_pos

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@10990 387891d4-d844-0410-90c0-e4c51a9137d3
 2014-08-16 12:31:57 +10:00
Echelon9 27495abda6 Address Coverity 1093373 Copy-paste error in vm_find_bounding_sphere() 
git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@10807 387891d4-d844-0410-90c0-e4c51a9137d3
 2014-06-14 20:29:36 +10:00
Wanderer 0d4cc04cd6 Fix for Mantis #2352 - Turret reset when idle woes and other limited rotation turret woes. 
git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@10024 387891d4-d844-0410-90c0-e4c51a9137d3
 2013-11-10 18:28:58 +10:00
Zacam 593be42e66 *drum roll* Pilot Code! Originated by taylor. Additional direct work by: The E, niffiwan, CommanderDJ, Pyro3D, Echelon9 (PVS-Studio), Karajorma and Eli2. (If I missed you, don't kill me.) 
MASSIVE thanks to Mjn.Mixael and Blue Planet for tireless constant testing.
(It's still not perfect, but it probably wouldn't be where it is at without them)

Spans a lot from initial commit to AP Branch in r6835.

git-svn-id: svn://svn.icculus.org/fs2open/trunk@9561 387891d4-d844-0410-90c0-e4c51a9137d3
 2013-03-18 20:26:06 +10:00
Valathil 6ad5a937a9 Fix for Mantis 2736: abs is int in Linux and Mac; change to fl_abs in all instances where floats were used in the codebase. 2012-12-03 00:59:45 +00:00
chief1983 4e5d3e2e57 Fix all the 'no newline at end of file' warnings I saw thrown by gcc on FreeBSD. 2012-11-02 17:30:17 +00:00
Echelon9 46d854d9f0 PVS-Studio fix: There is only one PI. 
V624 The constant 3.14159 is being utilized. The resulting value could be inaccurate.
 2012-07-16 11:44:22 +00:00
Echelon9 52b421c56b Documentation: Remove redundant #includes 2012-04-22 13:36:31 +00:00
The_E 6badeadd54 As per discussion for Mantis 2633, Reverting revision 8544 due to timer drift. 2012-03-31 20:30:09 +00:00
zookeeper e98ff51535 Eli2's minimal timer fix patch(es) from http://www.hard-light.net/forums/index.php?topic=79070.0 2012-03-01 19:16:31 +00:00
Echelon9 21c2449f0b Documentation: Changes such that the Doxygen log reports clean, in anticipation of 3.6.14 release 2011-11-28 13:03:38 +00:00
The_E fff1a1c60b Reverting 7938: Bugfix breaks existing missions relying on old behaviour. 2011-11-05 19:20:17 +00:00
The_E 96ef05f89c From Eli2: Fix for Mantis 2533 (integer overflow in mission-time-msecs) 2011-11-02 11:40:51 +00:00
Goober5000 91fc326a17 we have some preconditions, so let's enforce them 2011-10-26 06:35:19 +00:00
Echelon9 8c272b61ae Documentation: Code cleanup in fvi.cpp 2011-09-12 13:31:38 +00:00
IssMneur 0717ad3d13 PVS-Studio fix: V512 A call of the 'memcpy' function will lead to overflow of the buffer '& x'. (pstypes.h:131) 2011-09-08 05:39:53 +00:00
The_E 0525e871d0 PVS Studio related: Mark false alarms as such. 2011-08-30 17:46:49 +00:00
Zacam 96925143c1 Resolves SSE detection issues on #including <xmmintrin.h> for GCC/G++ and MSVC6. 
GCC/G++ users (Apple, Linux) should look to adding intrinsics to their compile options. (-msse)
 2011-07-23 02:07:19 +00:00
Zacam f2cc1239dd If we declare inv2A as a float up top, we no longer need to brace out any instances which resolves cross initialization as well as still allowing MSVC6 to remain operational (per 7372). Minor formating cleanup as well. 
Thanks to Goober and Plombo for feedback.
 2011-07-22 18:32:22 +00:00
Goober5000 96736a29ea fix compile problems on MSVC6 2011-07-22 05:56:46 +00:00
The_E 7f5c3d343e Valathil's code cleanup patch. 2011-07-20 18:04:43 +00:00
Echelon9 aa1601bb36 Documentation: Fix a few syntax errors reported in Doxygen's log 2011-05-01 03:54:01 +00:00
Echelon9 5d635a262b DOC: Amendment to frand_range() 2011-04-17 00:33:51 +00:00