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3425 commits

Author SHA1 Message Date
Bill Currie
c2e0674d50 Implement R_IQMGetLerpedFrames(). 
Like R_AliasGetLerpedFrames, but for IQM. It calcualtes the current frame
number and blend between the previous and current frames.
 2012-05-15 21:08:46 +09:00
Bill Currie
8387d987e2 Change position to vposition. 2012-05-15 21:08:46 +09:00
Bill Currie
099ef348c6 Advance the vertex attrib index. 
Disabling the array right after enabling it was causing things to just not
work :P
 2012-05-15 21:08:46 +09:00
Bill Currie
d1d4c6142c Get the frame data from the right places. 
Always using joint[0] of the frames wasn't very useful.
 2012-05-15 21:08:46 +09:00
Bill Currie
74cb49ef7c Free the blended frame data. 2012-05-15 21:08:45 +09:00
Bill Currie
551dfc47fb Build the iqm vertex arrays in the correct order. 
They need to be built in ascending type order (makes life easier in the
renderer).
 2012-05-15 21:08:45 +09:00
Bill Currie
bea8f8f9c4 Fix a segfault when searching for dlights. 
Uninitialized var bites my bum :P
 2012-05-15 21:08:45 +09:00
Bill Currie
2e98c31175 Check the corrent bits when reading scale frame data. 
Fixes the invalid reads when loading an iqm (at least for mrfixit).
 2012-05-15 21:08:45 +09:00
Bill Currie
9c69404163 Attempt to render iqm models. 
Things are a right mess (segfaults, invalid accesses on load, etc), but
hey, it's a start :)
 2012-05-15 21:08:45 +09:00
Bill Currie
15fd3be73a Allow iqm models when storing efrags. 2012-05-15 21:08:45 +09:00
Bill Currie
a880f33152 Set the model type for iqm. 
Forgot this rather important step :P
 2012-05-15 21:08:45 +09:00
Bill Currie
41e7a6c70c Search for the "nearest" dlights. 
Nearness is a function of both distance and intensity: distant bright
lights can take priority over close dim lights.
 2012-05-15 21:08:45 +09:00
Bill Currie
0becd35b65 Begin work on rendering iqm models. 
No chance of working yet, but the shaders compile :)
 2012-05-15 21:08:45 +09:00
Bill Currie
078cb10caf Add a stride field to iqm_t. 
Since iqm vertex arrays are variable, and I don't want to calculate the
stride every time I render a model, cached the value used when building the
arrays.
 2012-05-15 21:08:45 +09:00
Bill Currie
15d35fbdc9 Add mvp_mat and some comments. 2012-05-15 21:08:45 +09:00
Bill Currie
59c5bf2f9e Code up an initial version of the iqm vertex shader. 
Probably more bugs than an old kitchen cupboard :P
 2012-05-15 21:08:45 +09:00
Bill Currie
6ab3bd45e5 Implement IQM animation loading. 
Bone poses are converted to dual quaternions + shear + scale for nice
skinning. Will likely be slow for software skinning, but too bad.
 2012-05-15 21:08:45 +09:00
Bill Currie
bf38e6073e Implement iqm joint loading. 2012-05-15 21:08:44 +09:00
Bill Currie
9f253454e4 Implement and test Mat4Inverse(). 2012-05-15 21:08:44 +09:00
Bill Currie
fa6270322f Make Mat4Decompose a little more intuitive. 
Params are now in application order (good thing not much code uses it yet).
 2012-05-15 21:08:44 +09:00
Bill Currie
de131c18ad Add VectorShear and really test Mat4Decompose. 
And the tests really exercised VectorShear (first attempt had things
messed up when more than one shear value was non-zero). Also,
Mat4Decompose wasn't orthogonalizing the z axis row. Oops. Anyway,
Mat4Decompose is now known to work well, and the usage of its output is
understood :)
 2012-05-15 21:08:44 +09:00
Bill Currie
8cea6b0a1e Fix a scaling snafu in Mat4Decompose. 
Found when checking how rotation affects non-uniform scaling (haven't
written proper tests yet: need to figure out how).
 2012-05-15 21:08:44 +09:00
Bill Currie
82abd5e426 More matrix tests. 2012-05-15 21:08:44 +09:00
Bill Currie
730f9668bd Add support for mat4 * vec3 2012-05-15 21:08:44 +09:00
Bill Currie
50af8a562e Add tests for matrix decomposition and fix the bugs. 2012-05-15 21:08:44 +09:00
Bill Currie
52ab4f64f9 Add code for loading vertex colors. 
And correct an oopsie in bledweights.
 2012-05-15 21:08:44 +09:00
Bill Currie
215d2e9747 Add a function to decompose a matrix. 
The function gives rotation(quaternion), scale, shear, and translation (all
three as vectors), shear is (XY, XZ, YZ).
 2012-05-15 21:08:44 +09:00
Bill Currie
1be9384f10 Load the iqm vertex and triangle data. 
Still have the meshes, joints and animations to go.
 2012-05-15 21:08:43 +09:00
Bill Currie
8aabb704d2 Add tests for inverting a dual quad transform. 2012-05-15 21:08:43 +09:00
Bill Currie
f874aeb941 Add support for duals and dual quaternions. 
Not everything is unit-tested, but the currently important stuff is.
 2012-05-15 21:08:43 +09:00
Bill Currie
3b938592c3 Dump some gl limits. 2012-05-15 21:08:43 +09:00
Bill Currie
26a878da48 Stub out the iqm loader. 2012-05-15 21:08:43 +09:00
Bill Currie
e6c0512f31 Ensure dstring has space for terminating 0. 
It seems (some versions of) windows vsnprintf don't count the terminating 0
when limiting the number of chars written to the buffer. Nor do they
guarantee the output string will be terminated.
 2012-05-10 14:48:43 +09:00
Bill Currie
0036a5e113 Ensure edict_size is never 0. 
Avoids division by / in NUM_FOR_EDICT
 2012-05-06 21:35:42 +09:00
Bill Currie
099d9ec3f2 Move the increment of order out of the loop. 
I don't know what gcc's optimizations would do with it, but it seems quite
reasonable to pull the code out of the loop by hand.
 2012-05-05 18:01:00 +09:00
Bill Currie
cf5c9f067f Make GL_DrawAliasShadow const correct. 
Despair's having troubles with segfaults that I can't reproduce. If it's a
strict aliasing problem, this might help.
 2012-05-05 17:55:30 +09:00
Bill Currie
a43bd755ca Fix the 32-bit x86 build of the software renderer. 
I really need to remove the sledge-hammer approach, but this at least gets
QF working out-of-the-box on 32-bit x86 systems.
 2012-04-28 13:02:36 +09:00
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
1a0ccf6a92 Add vec = quat * vec to the progs engine. 2012-04-26 11:58:20 +09:00
Bill Currie
0a22a98b60 Fix some mis-versioned opcodes. 
Many of the quaternion opcodes were marked as being available for id progs.
oops
 2012-04-26 10:26:43 +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
7b0d48313d Fix a signed type mixup. 
I mis-applied calim's patch, and gcc failed to tell me :(
 2012-04-26 07:28:22 +09:00
Bill Currie
20b7a46100 Remove a bogus model type check. 
This allows 16-bit alias models to render when viewd straight on.
 2012-04-25 11:50:20 +09:00
Bill Currie
ba7046ea09 Allow large skins in sw32. 
Dirty rotten magic numbers :P
 2012-04-25 10:47:44 +09:00
Bill Currie
866c56c236 Do not try to lerp entities when their model changes. 
This avoids sending invalid pose data to the renderer. The symptom was a
vertex array offset higher than the vertex array size. Discovered by calim
of nouveau while he was debugging a driver problem found by QF. Many
thanks.
 2012-04-25 10:09:23 +09:00
Bill Currie
a7870a98a1 Apply a couple of patches from calim of nouveau. 
One's an actual bug, the other a bit of error checking (not sure how
necessary it is, but it's in code that we don't /want/ to run, so it can't
hurt :)
 2012-04-25 08:48:46 +09:00
Bill Currie
e167300a84 Fix a segfault in the sw32 renderer on entering e1m7 
While this particular tigger of the real bug was caused by 659d95221e
(hopefully fix both the "get stuck waiting for 3d" bug and the null
worldmode bug.), the real bug was lurking in the code since the dawn of
time (from sw32's perspective). This fix is as per LordHavoc's suggestion
(heh, despite the years, he knows his code), but I spent the time hunting
down the trigger to understand just what was going on.

It turns out that (0,0,0) is too close to a wall (probably on, but the
slight default offset is too close) and the above commit changed the first
rendered frame to be before the player origin was set rather than after.
This fix feels correct to me because noclipping around with the sw32
renderer would probably hit the same bug with a bit of bad luck. Thus
ensure the index resulting from zi never exceeds 65535.
 2012-04-24 22:02:20 +09:00
Bill Currie
95cef4a73e Correct a spelling error. 2012-04-24 14:12:54 +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
1fd84477a2 Rename char to dchar in the text vertex shader. 
Thanks to Spirit :)

Turns out certain drivers (nvidia?) reserve "char" even though opengl does
not. This should fix his missing console text.
 2012-04-21 20:59:04 +09:00