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http://markmail.org/message/fp7ozcywxum3ar7n
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documentation done.
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smoke are stored together:
* Separate caches were causing quite a lot of problems both in principle and practice.
* For example it doesn't really make sense to have different frame ranges for normal and high resolution smoke, but this was fully possible before.
* Also to fully bake the smoke you had to do a "Bake All Dynamics", which completely defeats the whole point of the feature!
* As a result of this change the smoke cache usage is much much simpler and less error prone.
* This is quite a big change, but hopefully there should be less rather than more problems as a result :)
Some other related changes:
* Changing the cache name now works for disk caches properly too, it now just renames the cache files so should be faster too!
* Smoke is now always forced to disk cache with step 1 on file load as there were some strange cases where smoke was trying to use memory cache.
* Disabled smoke debug prints from console.
* Disabled changing smoke parameters when smoke is baked.
Note to users: The unfortunate side effect of this is that old high resolution simulations have to be baked again, but in return you get much better and more logical functionality. Sorry none the less!
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start frame.
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(domain border collision settings, vorticity settings, time scale, non absolute density, smooth high res emitter, initial velocity multiplier, high res strength available to be set to 0), b) Additions by me: --Initial velocity is now per flow object, not per domain; --Using boundingbox as standard display mode for domains (was wire before); --When adding a flow object, an initial nice SmokeParticle system is added too with nice initial settings (life=1, no_render, unborn, etc) fitting smoke simulation; --Adaptive timesteps introduced to the smoke sim (depending on the magnitude of the velocity) because it was quite unstable when used for fire simulations, still needs to be tested and will also slow down some simulations.
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(http://blenderartists.org/forum/showthread.php?t=158317&page=42)
* Better (and windows enabled) OpenMP handling (> 2x-5x speed)
* More Volumetric Texture mapping options (heat, etc) <-- Matt if that's not to your liking, just revert that part, it's separate anyway
* Initial velocity taken from particle settings (no more slow starting)
* Option to select compression method (there seem to be a bug in my high compression usage, at least it's been reported to result in exploding smoke - better use low compression for the time being)
It's been tested since a while but as usual please report any (new!) bugs. ;-)
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* Enable external forces like e.g. wind
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* Enable cache for high res + new preview
* Bugfix for smoke banding (in cooperation with N_T)
Hint: Work-in-progress regarding collision objects so can be broken, didn't test
Hint2: jahka enabled a general particle panel but
* bake button doesn't work
* step is not supported for cloth
* several other things there ;)
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Also, made the Outliner's horizontal scrollbar work better for keymaps view. It's still using an approximation of the width, but at least you can scroll now.
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*Bugfix for crash on using a plane as smoke domain (reported by DingTo)
* Bringing slowly high res back, not yet working
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* Deleting high res modifier again
* fixing smoke + continue physics drawing
* fixing cache reset when changing dissolve
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* cache for low res (deactivating high res for now)
* new way of view3d rendering of smoke (no longer 3 axes) -using 3dtexture now (introduced into gpu/intern)
* introducing LZO and LZMA libs into extern (makefiles missing for now)
* reducing memory usage after simulating for the frame ended (freeing temporary buffers)
* splitting smoke into 2 modifier for the cache-sake (it cannot handle more than 1 cache on the same modifier-index)
* no color on gui anymore
* fixing non-power-of-2 resolutions (hopefully)
* fixing select-deselect of domain drawing bug
* fixing drawobject.c coding style (making Ton happy) ;-)
HINT #1: If scons doesn't work -> cmakefiles are up-to-date, couldn't test scons (but i tried to mantain them, too)
CODERS HINT #1: we really need a way to disable adding all modifiers through "Add Modifiers" dropdown!
WARNING #1: before applying this commit, deactivate your SMOKE DOMAIN in your old files and save them then. You can open them then savely after that.
WARNING #2: File and cache format of smoke can be changed, this is not final!
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* New feature: "Dissolve Smoke" - Idea by nudelZ
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option in place for cmake, scons yet uncommited
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another obstacle problem
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a) fixing domain boundaries
b) fixing flow gui (no more velocity there - taken from particles)
c) Outflow available (deletes smoke from scene)
d) deactivating other noise options for now
e) base for render/preview settings
f) fixing collisions to be working again
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Not working:
a) rendering (since volumterics branch is not merged yet)
b) moving collision objects of any kind
c) saving of collision objects (because that's what I am working on)
d) pointcache
e) A bunch of other things I already know of
So please do not report any bugs on this one yet :-)
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