Since LTCG is enabled now, we don't have to define every function inside
the headers for ~xXx super speed xXx~, which means we can strip the
headers down to their bare minimum and reduce interdependencies and
therefore recompilation times by a lot.
The C++ standard library comes with perfectly fine implementations of
these functions, so there's no point in reimplementing them just for the
hell of it.
Several rendering changes have resulted in a non-rendering build that
failed to build from source. Dummy out all of these functions to make it
work again.
Makes the whole thing more robust in corner cases. Also means that the
terrain a Clonk walks over doesn't matter that much anymore, which is
probably good.
On the other hand, now walls can be "partially invisible", which can
cause strange light effects. We'll have to see whether this is looks bad
in practice.
Descend collision was broken because of two reasons - one complicated and
one easy. Firstly, we would not re-visit beams after eliminations if they
were closer to the light source than the remaining beam. Especially nasty
because the comments claimed the opposite. Secondly, the coordinates
passed to find_cross were actually flipped.
I took the opportunity to clean up the control structure a bit, update
the comments (brr), and fix the bug in one swoop.
The "b" value returned by the new find_cross function had basically
nothing to do with what the old version did (it was for the other
pair of coordinates *and* sign-switched). This is not cosmetical - the
algorithm depends quite a bit on this being consistent.
Additionally, most of the list modifications in CalculateTriangles were
wrong (didn't reprocess last triangle for ascend shadowing, and the descend
case was removing the wrong triangle). I admit the old code was probably a
bit too tricky with how it handled "i", so I attempted to refactor it to
make it less easy to screw up in future.
* intermediate fade triangles are now calculated in C4FoWLight
* rendering takes also place in C4FoWLight, using different C4FoWDrawStrategies
* solved an old TODO from Peter (int -> int32_t)
* refactor and simplify portions of the light vertex calculation code
* added some class and method documentation, removed some superfluous comments like
void C4FoW::Update(C4Rect r)
{
// Update all lights
...
* added ASK comments that need clarification before proper documentation
Julius Michaelis