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path: root/engines/sci/engine/kmath.cpp
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2017-02-26SCI: Clean up kRandom + allow 0 parameters via signaturesMartin Kiewitz
Also added in depth comments about the currently known variations Returning the RNG seed is now implemented (although it seems no games actually use this functionality, it seems to be just script bugs). Also remove Torin kRandom workarounds.
2014-02-18SCI: Make GPL headers consistent in themselves.Johannes Schickel
2013-01-24SCI: Add GetAngle for SCI1 that matches SSCIWillem Jan Palenstijn
Thanks to waltervn for creating a scis test script to verify.
2013-01-22SCI: Fix angle rounding in the SCI1 implementation of kGetAngle (bug #3601479)Filippos Karapetis
Fixes bug #3601479 - "SCI KQ6: Castle walls - stuck in same room". Many thanks to wjp for his help on the kGetAngle implementation
2012-08-21SCI: Use a simpler atan implementation for kGetAngle in SCI1 and newer gamesFilippos Karapetis
SCI1 games (QFG2 and newer) use a simpler and more accurate atan implementation for kGetAngle. This properly fixes bug #3540976.
2012-07-09SCI: Update comments in kGetAngleWorker()Filippos Karapetis
2012-07-08SCI: Fix a typo and add some comments to kGetAngleWorker()Filippos Karapetis
2012-07-08SCI: Add a hack in kGetAngleWorker to fix bug #3540976Filippos Karapetis
kGetAngle(Worker) has been implemented based on behavior observed with a test program created with SCI Studio. However, the return values have subtle differences from the original, which uses atan(). This temporary hack will do for now till the implementation of kGetAngle is done again. A simpler atan2-based implementation has also been added for future reference
2011-09-23SCI: Fixed bug #3413020 - "SCI: Longbow: Robin is stuck in the final monk ↵Filippos Karapetis
chase scene" Special thanks to wjp for his work on bisecting to find the regression and for checking against the KQ5CD disasm
2011-05-12GIT: Clean up: Suppress SVN tags, now uselessstrangerke
2011-03-19SCI: Changed several places that use PI to use the standard M_PI insteadmd5
2010-11-02SCI: Properly cast the results of kTimesSin and kTimesCos to 16-bit integersFilippos Karapetis
svn-id: r54042
2010-09-05SCI: reuse kGetAngle from kDoAvoiderMartin Kiewitz
svn-id: r52560
2010-08-20SCI: added another comment to kRandomMartin Kiewitz
about hoyle4 svn-id: r52246
2010-08-20SCI: kRandom now exactly behaving like sierra sciMartin Kiewitz
hoyle4 and lsl5 door code work now svn-id: r52244
2010-08-20SCI: Fixed typos in kRandom()Filippos Karapetis
svn-id: r52242
2010-08-20SCI: Reverted kRandom to use unsigned integers again (used e.g. in LSL5) and ↵Filippos Karapetis
added a temporary hack for the special case in Hoyle 4 (0x0, 0xFFFF), till we find out how this is handled correctly svn-id: r52240
2010-08-20SCI: Fixed bug #3039308 - "HOYLE4: Rules Dialog missing background"Filippos Karapetis
svn-id: r52237
2010-08-15SCI: Change abs() to ABS()Torbjörn Andersson
I'm not sure why we define our own ABS(), but I assume we have some compelling reason for it. svn-id: r52105
2010-07-30SCI: Switch to Common::RandomSource.Johannes Schickel
Since I got no response to my mail to -devel, I just assume that there is no specific reason for using rand() in SCI. As explained in my mail to -devel about why SCI uses rand, this might allow SCI to work with our event recording, when that ever gets finished. I adapted kRandom so that it also supports negative random numbers. And furthermore that the toNumber argument is smaller than the fromNumber argument. I am not sure whether that really happens though, but it should be safer to have this. I marked that place with an TODO/CHECKME. svn-id: r51521
2010-07-28SCI: changed kRandom signatureMartin Kiewitz
accepts 1-3 parameters now for all SCI versions (shouldnt hurt and argc 3 will error() out anyway) changed comments a bit svn-id: r51438
2010-07-28SCI: implement additional variants of kRandomMartin Kiewitz
fixes pq1vga poker game (bug #3036125) svn-id: r51435
2010-07-10SCI: removing hoyle workaround from kAbs & signature and adding it into ↵Martin Kiewitz
workaround table svn-id: r50790
2010-06-28SCI: Turn more warnings into errors.Max Horn
If one of these is triggered for you, you can add an exception to the error, together with a comment explaining why this exception is necessary. Ideally after verifying that the cause is a script bug and not a bug in our code... svn-id: r50442
2010-06-26SCI: making hack inside kAbs hoyle1 specific, added fixmeMartin Kiewitz
svn-id: r50309
2010-06-17Moved kMulDiv together with the rest of the math functions, and kPlayVMD ↵Filippos Karapetis
together with the rest of the video playing functions svn-id: r49920
2009-11-14Moved getAngle() inside kmovement.cpp, the only place where it's actually usedFilippos Karapetis
svn-id: r45903
2009-11-02SCI: Fix hoyle hackWalter van Niftrik
svn-id: r45619
2009-10-20SCI: Fix warning about double being silently converted to intMax Horn
svn-id: r45262
2009-10-19SCI: kRandom behaviour fixed, fixes lsl5 patty random door codeMartin Kiewitz
svn-id: r45250
2009-09-30Added a new special reg_t, SIGNAL_REG, for signaling when an error occurs ↵Filippos Karapetis
(usually), or to signal success in some special occasions svn-id: r44505
2009-09-29- Changed the unimplemented debug SCI kernel functions (InspectObj, ↵Filippos Karapetis
ShowSends, ShowObjs, ShowFree, StackUsage and Profiler) to be dummy functions - we have our own debugger, and don't use these functions for debugging - Removed the function number parameter from all kernel functions, as it's no longer needed, and removed the FAKE_FUNCT_NR hack - Removed kUnknown() and kStub() - Dummy/unknown kernel functions are no longer invoked, and a warning is shown instead, with the paremeters passed to them Note: there is an evil hack used for debugging scripts in invoke_selector(), which probably no longer works now svn-id: r44461
2009-09-25Create a define for the special "signal" offset used throughout the engine, ↵Filippos Karapetis
and fixed the arbitrary 0 values from commit #44294, set when some math functions do invalid calculations svn-id: r44359
2009-09-25SCI: Pedantic cleanupMax Horn
svn-id: r44356
2009-09-24SCI: Fix spellingMax Horn
svn-id: r44318
2009-09-24Fix what looks like a typo in the condition, which checks for a divide by zero.Johannes Schickel
svn-id: r44306
2009-09-24The maximum value that a signed 16-bit integer can hold is 32767, not 32768 ↵Filippos Karapetis
(0x8000) svn-id: r44294
2009-09-02SCI: funct_nr is not used in 99% of all opcodes -- hide it in those (to be ↵Max Horn
removed eventually) svn-id: r43905
2009-06-07Replaced KP_ALT, SKPV_OR_ALT and UKPV_OR_ALTFilippos Karapetis
svn-id: r41340
2009-06-07Replaced/removed KP_UINT, KP_SINT, SKPV and UKPV as well as the ↵Filippos Karapetis
VIEW_PRIORITY and PRIORITY_BAND_FIRST wrappers svn-id: r41338
2009-02-27SCI: Renamed include/engine.h to engine/state.h; added a corresponding .cpp ↵Max Horn
file with the EngineState constructor svn-id: r38921
2009-02-24SCI: Moved kernel.h and kdebug.h from include/ to engine/; untangled header ↵Max Horn
deps some more svn-id: r38833
2009-02-21SCI: Got rid of include/scitypes.hMax Horn
svn-id: r38746
2009-02-21Replaced "typedef struct _state state_t" with "struct EngineState"Jordi Vilalta Prat
svn-id: r38678
2009-02-21Wrapped the SCI engine in the Sci namespace.Oystein Eftevaag
svn-id: r38676
2009-02-20Started conversion of debug messages and debug levels to the ScummVM ↵Filippos Karapetis
equivalents. Removed the "stubs" and "warnings" debug levels and replaced such kinds of messages with normal warnings svn-id: r38617
2009-02-20formatingPaweł Kołodziejski
svn-id: r38600
2009-02-17Update headers. engine/Eugene Sandulenko
svn-id: r38408
2009-02-15SCI: Run astyle to make the code be more compliant with our Code Formatting ↵Max Horn
Guidelines: engine dir svn-id: r38317
2009-02-15fixed compilation and linking with msvc9Paweł Kołodziejski
svn-id: r38232
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