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298 commits

Author SHA1 Message Date
Bill Currie
cdfc922bce Fix a silly test case error. 2011-12-04 10:47:52 +09:00
Bill Currie
487a6b20ab Test collisions with a ridge smaller than the box. 
Whee, found a failing test case :)
 2011-12-04 09:02:12 +09:00
Bill Currie
55eb88b52c Create some tests for MOD_HullContents. 2011-12-03 22:18:43 +09:00
Bill Currie
581972c905 More file splitting for code reuse. 2011-12-03 21:13:01 +09:00
Bill Currie
dadfb78992 Split out the hull data so it can be used in other tests. 2011-12-03 20:23:42 +09:00
Bill Currie
9ad298a716 Check whether the portal and box intersect. 
Now on to creating tests for MOD_HullContents :)
 2011-12-03 19:59:12 +09:00
Bill Currie
d9a641c600 Avoid a segfault when the hull hasn't been portalized. 
Serves me right for forgetting to test the main engine :P
 2011-12-03 09:06:57 +09:00
Bill Currie
27642a080a Avoid infinite recursion. 2011-12-01 12:57:06 +09:00
Bill Currie
f9d56f2941 Add MOD_HullContents(). 
If trace is null or point type, or the hull doesn't have portals, or the
first node is a leaf, MOD_HullContents operates in point mode (exactly the
same way as SV_HullPointContents()). However, in box mode, all leafs
touched by the trace are checked for their contents. The contents field of
trace (a bit field) will indicate the contents type of all touched leafs.
The returned contents value indicates the most important contents:

    solid > lava > slime > water > empty

The one's complement value of the contents type is the bit number of the
contents bit field. I'm not sure how useful this will be as getting the
amount of overlap is currently not supported.
 2011-12-01 12:26:33 +09:00
Bill Currie
7ee31dd475 Allow the trace start to be in multiple leafs. 
This fixes a couple of in-solid tests, but something better is needed.
 2011-11-28 20:56:21 +09:00
Bill Currie
13d37f4838 Add a bunch of in-solid tests. 
Tests where the box is only partially in a solid tend to fail (particularly
when the solid is on the back side of the split plane).
 2011-11-28 20:56:21 +09:00
Bill Currie
50b08c98fa Add some snug-fit tests and fix the uncovered bugs. 
The tests involve the box fitting into a hole with zero slop (this would be
impossible with point clipping).
 2011-11-28 20:56:21 +09:00
Bill Currie
985667ecba Fix plane touching box backsideness. 
Because a box has size, even when touching a plane, the side on which the
box is can be determined (unlike a point).
 2011-11-28 20:56:21 +09:00
Bill Currie
869cd19260 Box traces can now graze a corner. 2011-11-28 20:56:21 +09:00
Bill Currie
45d55d7e9a Test the simple wedge. 2011-11-28 20:56:21 +09:00
Bill Currie
2c9b07b257 Scale the box edge vectors. 
Now they represent the lengths of the edges as expected by the edge/polygon
code.
 2011-11-28 20:56:20 +09:00
Bill Currie
60dbc0e342 Fix the last few bugs breaking the distance code. 
The code itself seems to work now. There are still some problems: the box
faces are using unit vectors for the edges, or I should go back to unit
vectors for the portal edges; starting in a solid corner won't always work;
etc. However, that's just mopping up: the main algorithm seems to be
working.
 2011-11-28 20:56:20 +09:00
Bill Currie
996859c367 Correct the projection code. 
That needed to be the intersection of two coplanar lines.
 2011-11-28 20:56:20 +09:00
Bill Currie
ab2ec644d6 Clip the portals when running the test cases. 
When the portals are too big, floats break down and break the tests. This
might not be much of an issue in real maps, but my tests use "infinite"
planes.
 2011-11-28 20:56:20 +09:00
Bill Currie
2abff68089 Fix some more silly bugs. 
The target test now works, but some others have broken due to getting
negative fractions.
 2011-11-28 20:56:20 +09:00
Bill Currie
a1da8ecdd0 Fix some silly errors that broke most of the box tests. 
Uninitialized variables and crossed signs. Oops :/
 2011-11-28 20:56:20 +09:00
Bill Currie
8fc99566ab Add code to clip the motion of the box to the leaf's portals. 
Unfortunately, something is broken (all box tests fail due to 0 fraction).
 2011-11-28 20:56:20 +09:00
Bill Currie
5ee552ea5b Don't normalize the portal edge vectors. 
This simplifies the collision handling code.
 2011-11-28 20:56:20 +09:00
Bill Currie
174f381125 Add some more tests for the ramp. 
These tests pass, but show the basic polygon testing working (just not the
collision handling and thus fraction determination).
 2011-11-28 20:56:20 +09:00
Bill Currie
750b5ba0ed Be a little more lenient with float comparisons. 
Unfortunately, Pythagorus and binary don't play well together, so rounding
errors are inevetible when testing with a slope. However, 1e-6 seems to be
a good epsilon (printf's %g hides it nicely :).
 2011-11-28 20:56:20 +09:00
Bill Currie
73b93ffd74 Clean up the in_leaf test line. 2011-11-28 20:54:35 +09:00
Bill Currie
e3d8394b7a Use the split_plane for the in-leaf test. 
This seems to work better (all previously working tests pass again), but
the target test is still broken.
 2011-11-28 20:54:35 +09:00
Bill Currie
7b59eaf0cd Use the correct vector for the plane distance. 
Oops :)
 2011-11-28 20:54:35 +09:00
Bill Currie
cde0bbb807 For now, don't use box clipping for point traces. 
Until I figure out how I want to handle zero sized boxes, don't test them.
 2011-11-28 20:54:35 +09:00
Bill Currie
fd5aee1d5e Use the portals to check leaf validity. 
If the trace hits a portal on the plane that brought us to the leaf, then
we actually are in the leaf (otherwise, we shouldn't be here and thus
should ignore the leaf). At least, that's my thinking.

Many point tests fail (but they're really using box clipping with a zero
sized box) and two box tests fail.
 2011-11-28 20:54:35 +09:00
Bill Currie
297275e3de Create edge information for the portals. 2011-11-28 20:54:35 +09:00
Bill Currie
662c04dfdc Add a function to obtain the unit vectors of a winding's edges. 2011-11-28 20:54:35 +09:00
Bill Currie
e41da2f579 Store the start fraction and position in the right stack slot. 
Oops. Yay, valgrind.
 2011-11-28 20:54:35 +09:00
Bill Currie
d61cb25a44 Add code to rebuild the bsp brushes. 
Names and locations of declarations are still up in the air, but things
seem to be working assuming my test code is correct.
 2011-11-28 20:54:35 +09:00
Bill Currie
853bf13d9e Move the winding code into libQFmodels. 2011-11-28 20:54:35 +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
2f23cfa4d0 Add a new (failing) test case. 
This one demonstrates the need for more information in the bsp tree
(surface polygons). When the box collides with a corner where one side is
flat and the other angled, but there's a partition plane cutting the two,
the box can instead collide with the angled side before it hits the corner.
 2011-11-28 20:54:34 +09:00
Bill Currie
7a1faee460 Bail out when the trace advances past the nearest collision. 2011-11-28 20:54:34 +09:00
Bill Currie
a943cdf2c4 Handle dual collisions. 
When the trace collides with something on both sides of a plane, the nearer
collision is required. The code now correctly checks both sides and keeps
the nearer collision.
 2011-11-28 20:54:34 +09:00
Bill Currie
0cf5dec5bb Fix the covered step tests. 
However,  there is still a problem with moves where the box is always cut
by the plane: both sides need to be tested (done), but when the first side
checked allows longer motion than the second, but still collides, only the
first side is checked. The shorter motion is required.
 2011-11-28 20:54:34 +09:00
Bill Currie
8cc320b7ef Move the start point to the near side of the crossed plane. 
I'm not sure the end point needs to be moved at all, but I'll leave it
alone for now. I have a couple of failing test cases that seem to be caused
by not handling moves where the box is always cut by the plane.
 2011-11-28 20:54:34 +09:00
Bill Currie
fa6390a46a Correct the sign for the shift in frac. 
However, this is not entirely correct as the new start point when testing
the other side of the plane also needs to be calculated.
 2011-11-28 20:54:34 +09:00
Bill Currie
b82d9f5894 Another test, another bug. 
Fix an incorrect test using offset (forgot to negate).
 2011-11-28 20:54:34 +09:00
Bill Currie
9984a2e87a Fix some missing usages of offset. 
This fixes my one failing box clip test. Now I need to find more broken
cases. At least now, they should be real tests.
 2011-11-28 20:54:33 +09:00
Bill Currie
9d63298032 Tweak a fixme comment. 
The code is potentially slow, especially on big maps, but I haven't noticed
any issues yet.
 2011-11-28 20:54:33 +09:00
Bill Currie
03abb3b27d Add support for ellipsoids. 
Not that boxes work yet, but the fix is the same.
 2011-11-28 20:54:33 +09:00
Bill Currie
b4da9241f6 Make a fresh start on box clipping. 
I even have a failing test to fix :)
 2011-11-28 20:54:33 +09:00
Bill Currie
940476dce1 Do some renaming to make things a little clearer. 2011-10-02 15:07:36 +09:00
Bill Currie
a356ce6572 Assume the trace will be allsolid. 
Rather than setting allsolid when the trace fails to leave solid space,
clear it when the trace enters non-solid space. This is necessary because
the trace might visit only one node and thus the failure to leave solid
space will not be detected. This fixes the problem with hipnotic's bobbing
water.
 2011-09-27 17:14:42 +09:00
Bill Currie
9c6693d567 Correct hull3 and its tests. 
I'd gotten the solid/empty parts backwards.
 2011-09-27 17:11:57 +09:00
Bill Currie
3e74aa5303 Add trace-qf-bad.c to Makefile.am and testclip.c. 2011-09-27 17:09:04 +09:00
Bill Currie
e23ee07b6f Ensure id's trace is properly initialized. 2011-09-27 15:38:28 +09:00
Bill Currie
32ff639bf3 Add an old qf version of trace.c 
This version is broken (it's the one "fixed" by commit 981622f9), but it
does behave correctly for hipnotic's bobbing water. The question is, why?
 2011-09-27 13:00:19 +09:00
Bill Currie
9daa0b7bde Rename the empty and solid flags, and use them correctly. 
seen_empty and seen_solid much better reflect their meanings, and also use
them correctly (eg, visiting an empty node does not clear seen_solid).
Hipnotic's bobbing water is still broken, though.
 2011-09-27 12:33:50 +09:00
Bill Currie
a7482570b6 Document the geometry in the tests. 2011-09-27 12:30:21 +09:00
Bill Currie
aa6b7ef7e8 Add some water based tests. 
Unfortunatly, they haven't uncovered the bug.
 2011-09-26 21:02:54 +09:00
Bill Currie
800e8cb3da Make the id trace code more readily usable in the engine. 2011-09-26 19:56:00 +09:00
Bill Currie
ae0dc6f06b Disable the "shouldn't happen" code. 
It causes the tests to fail, and doesn't affect the problem I'm currently
facing.
 2011-09-26 19:56:00 +09:00
Bill Currie
baf9b7c181 Make the test nodes a little easier to read. 2011-09-26 19:56:00 +09:00
Bill Currie
683adf1850 Print the name and texture number for model skins. 
Use SYS_GLT (1024) for gl texture debugging.
 2011-09-26 13:03:53 +09:00
Antti Harri
358a844a42 Implement --version-info configure switch to override QuakeForge 
library versioning. From Lasse Collin, thanks!
 2011-07-09 01:23:36 +03:00
Bill Currie
b18ff4ed3e Move test-qfs.c into a test directory. 
Same as before: avoiding -prefic-pic issues.

Also, catch some minor snafus found in the previous commit. With this, make
distcheck passes again :)
 2011-06-12 16:34:15 +09:00
Bill Currie
c522726021 Move the testclip program into its own directory. 
Same as with the audio test program, this is to avoid issues with
-prefer-pic.
 2011-06-12 16:12:52 +09:00
Bill Currie
74a7e07dfc Use AM_CFLAGS instead of CFLAGS. 
CFLAGS is meant to be reserved for the user.
 2011-05-10 12:44:44 +09:00
Bill Currie
981622f969 Make MOD_TraceLine behave "correctly". 
MOD_TraceLine now behaves the same as id's SV_RecursiveHullCheck (from
WinQuake). This means that even if the trace would escape from solid space
into non-solid space, the trace is treated as allsolid if it crosses from
one solid space to another before hitting the empty space.

trace-id.c is used only for establishing the behaviour of id's code.
 2010-12-06 15:30:56 +09:00
Bill Currie
c2af7896bd Revert "make droptofloor continue the trace if it starts solid" 
This reverts commit 10232acdfe.

The problem was really in the trace code, but it got fixed by "accident"
when I had similar problems in hipnotic a couple of years later. Now to
figure out just what the trace could really should be doing.
 2010-12-05 14:56:32 +09:00
Bill Currie
31640dd1b9 Clean out the last traces of my boxclip code. 
I've been experiencing funny trace issues while playing Soul of Evil. While
I think the boxclip dregs shouldn't be causing problems, it's probably best
to clean them out properly before trying to fix anything.
 2010-12-05 14:52:20 +09:00
Bill Currie
8831a109a4 Create and use mclipnode_t. 
I didn't realize this was a critical part of fitzquake's large map
support. This should fix the non-solid brush entities in Conflagrant
Rodent.
 2010-11-29 09:36:21 +09:00
Bill Currie
31c13d92a2 Protocol 666/large map support from FitzQuake. 
Alpha and lerping aren't implemented yet, but things seem to be working. I
can load and play oms2.bsp (Conflagrant Rodent).
 2010-11-26 16:20:05 +09:00
Bill Currie
8c4fe2f844 Rename Sys_DPrintf to Sys_MaskPrintf. 
We now have finer runtime control over what gets printed. Need to do a
SYS_DEV audit, creating new masks as apropriate.
 2010-11-26 16:19:26 +09:00
Bill Currie
92f84e97a4 Unlimited loaded models. 2010-11-26 16:19:25 +09:00
Bill Currie
9a30968c87 type size correctness 2010-10-13 20:52:06 +09:00
Bill Currie
cd159e1cc1 Use LoadBSPMem to load brush models. 
Now that Mod_LoadBrushModel uses bspfile.[ch], the engine uses the same
code as the tools to work with bsp files.
 2010-10-13 20:52:05 +09:00
Bill Currie
2185a3dcd0 Remove almost all of my boxclip developement. 
This is to prevent others accidently getting headaches from my code.
 2010-08-20 14:13:23 +09:00
Bill Currie
0dfff8fd58 ignore stuff 2010-08-07 10:42:09 +00:00
Bill Currie
3e0aaea535 more build fixes from Despair (parallel make, this time) 2010-05-28 13:37:51 +00:00
Bill Currie
51932ee433 --enable-boxclip configure option and some more tweaks, I guess (been too long) 2009-12-19 04:45:01 +00:00
Bill Currie
a26cd68ea9 more tests, more progress. just need to fix a regression that popped up while fixing the new test (18) 2009-03-22 00:31:44 +00:00
Bill Currie
dd27143f62 finally got the failing test I wanted 2009-03-20 15:01:18 +00:00
Bill Currie
21c12ad7d5 damn, it failing was because I was using the wrong hull. now, why does the engine fail here? 2009-03-20 11:57:36 +00:00
Bill Currie
7dae886b93 label "expect" and "got" lines 2009-03-20 11:55:47 +00:00
Bill Currie
1f1375fdbb add another (currently failing) testcase 2009-03-20 11:51:59 +00:00
Bill Currie
384ad30df8 correct the last 4 edges. all existing testcases now pass. 2009-03-20 11:38:04 +00:00
Bill Currie
fea4189150 complete rewrite of validate_solid. also, put the trace points on the other side of the split plane. Just one more set of related tests to fix. 2009-03-20 11:20:59 +00:00
Bill Currie
0ff4165149 why didn't I do this earlier? 2009-03-20 03:40:30 +00:00
Bill Currie
f59f2dc7b9 some more progress with box clipping and much a saner test harness 2009-03-20 03:33:03 +00:00
Bill Currie
e992edaf31 that fixed the test case (why isn't sgn a standard function? :P) 2009-03-19 04:56:44 +00:00
Bill Currie
3be88c3e1d still disabled since it's still broken, but progress has been made. Fortunately, some of the breakage shows up as a regression in the testcases. 2009-03-19 03:16:24 +00:00
Bill Currie
2b81eaea6c console.h include cleanup 2007-11-06 12:40:38 +00:00
Bill Currie
d66934942d nuke Con_Printf and Con_DPrintf and use Sys_* instead 2007-11-06 10:17:14 +00:00
Bill Currie
e15fae264a well, it finally seems to work, but q1 maps (especially start's ramp to e3) are not such that they're particulary playable due to being designed for point clipping. so still disabled until something can be sorted out. 2007-09-29 23:28:41 +00:00
Bill Currie
0ee9e1cf3e more accurate expects and don't recurse for non-crossings 2007-09-23 08:33:26 +00:00
Bill Currie
3d79256653 closer still. have problems with allsolid traces and flags in general 2007-09-23 05:41:17 +00:00
Bill Currie
973a30bce0 show inwater as well (though irrelevant for test map) 2007-09-23 05:40:08 +00:00
Bill Currie
9f7018685e a little easier to see what's expected 2007-09-23 04:07:39 +00:00
Bill Currie
0234b7ed93 nice little test of box clipping. doesn't get installed :) 2007-09-23 03:48:05 +00:00
Bill Currie
f7faad118b didn't quite get that checkin right 2007-09-21 14:04:30 +00:00
Bill Currie
36f5edb9d3 still disabled, but it's mostly working now. serves me right for blindly following the q2 code :P (it be buggy) 2007-09-21 13:58:07 +00:00
Bill Currie
19f0d23f8b it's disabled, but my box clipping is getting close 2007-09-21 12:44:19 +00:00
Bill Currie
37ad41ecb7 MOD_TraceLine doesn't need to return anything... 2007-09-17 11:24:42 +00:00