diff options
Diffstat (limited to 'engines/sci/engine/features.cpp')
| -rw-r--r-- | engines/sci/engine/features.cpp | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/engines/sci/engine/features.cpp b/engines/sci/engine/features.cpp index a993506f7a..e37a1651ef 100644 --- a/engines/sci/engine/features.cpp +++ b/engines/sci/engine/features.cpp @@ -45,6 +45,7 @@ GameFeatures::GameFeatures(SegManager *segMan, Kernel *kernel) : _segMan(segMan) if (!ConfMan.getBool("use_cdaudio")) _usesCdTrack = false; _forceDOSTracks = false; + _pseudoMouseAbility = kPseudoMouseAbilityUninitialized; } reg_t GameFeatures::getDetectionAddr(const Common::String &objName, Selector slc, int methodNum) { @@ -605,4 +606,50 @@ bool GameFeatures::useAltWinGMSound() { } } +// PseudoMouse was added during SCI1 +// PseudoMouseAbility is about a tiny difference in the keyboard driver, which sets the event type to either +// 40h (old behaviour) or 44h (the keyboard driver actually added 40h to the existing value). +// See engine/kevent.cpp, kMapKeyToDir - also script 933 + +// SCI1EGA: +// Quest for Glory 2 still used the old way. +// +// SCI1EARLY: +// King's Quest 5 0.000.062 uses the old way. +// Leisure Suit Larry 1 demo uses the new way, but no PseudoMouse class. +// Fairy Tales uses the new way. +// X-Mas 1990 uses the old way, no PseudoMouse class. +// Space Quest 4 floppy (1.1) uses the new way. +// Mixed Up Mother Goose uses the old way, no PseudoMouse class. +// +// SCI1MIDDLE: +// Leisure Suit Larry 5 demo uses the new way. +// Conquests of the Longbow demo uses the new way. +// Leisure Suit Larry 1 (2.0) uses the new way. +// Astro Chicken II uses the new way. +PseudoMouseAbilityType GameFeatures::detectPseudoMouseAbility() { + if (_pseudoMouseAbility == kPseudoMouseAbilityUninitialized) { + if (getSciVersion() < SCI_VERSION_1_EARLY) { + // SCI1 EGA or earlier -> pseudo mouse ability is always disabled + _pseudoMouseAbility = kPseudoMouseAbilityFalse; + + } else if (getSciVersion() == SCI_VERSION_1_EARLY) { + // For SCI1 early some games had it enabled, some others didn't. + // We try to find an object called "PseudoMouse". If it's found, we enable the ability otherwise we don't. + reg_t pseudoMouseAddr = _segMan->findObjectByName("PseudoMouse", 0); + + if (pseudoMouseAddr != NULL_REG) { + _pseudoMouseAbility = kPseudoMouseAbilityTrue; + } else { + _pseudoMouseAbility = kPseudoMouseAbilityFalse; + } + + } else { + // SCI1 middle or later -> pseudo mouse ability is always enabled + _pseudoMouseAbility = kPseudoMouseAbilityTrue; + } + } + return _pseudoMouseAbility; +} + } // End of namespace Sci |