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-rw-r--r--engines/sci/engine/guest_additions.cpp25
-rw-r--r--engines/sci/engine/guest_additions.h15
-rw-r--r--engines/sci/engine/script_patches.cpp27
-rw-r--r--engines/sci/engine/vm.h7
-rw-r--r--engines/sci/sound/audio32.cpp11
5 files changed, 67 insertions, 18 deletions
diff --git a/engines/sci/engine/guest_additions.cpp b/engines/sci/engine/guest_additions.cpp
index 0452cc2850..90d797aee9 100644
--- a/engines/sci/engine/guest_additions.cpp
+++ b/engines/sci/engine/guest_additions.cpp
@@ -50,12 +50,6 @@ enum {
kMessageTypeSpeech = 2
};
-enum {
- kLSL6HiresUIVolumeMax = 13,
- kLSL6HiresSubtitleFlag = 105
-};
-
-
GuestAdditions::GuestAdditions(EngineState *state, GameFeatures *features, Kernel *kernel) :
_state(state),
_features(features),
@@ -912,7 +906,7 @@ void GuestAdditions::syncAudioVolumeGlobalsFromScummVM() const {
}
case GID_PHANTASMAGORIA2: {
- const int16 masterVolume = (ConfMan.getInt("sfx_volume") + 1) * Audio32::kMaxVolume / Audio::Mixer::kMaxMixerVolume;
+ const int16 masterVolume = (ConfMan.getInt("sfx_volume") + 1) * kPhant2VolumeMax / Audio::Mixer::kMaxMixerVolume;
syncPhant2VolumeFromScummVM(masterVolume);
syncPhant2UI(masterVolume);
break;
@@ -1016,12 +1010,13 @@ void GuestAdditions::syncLSL6HiresVolumeFromScummVM(const int16 musicVolume) con
g_sci->_soundCmd->setMasterVolume(ConfMan.getBool("mute") ? 0 : (musicVolume * MUSIC_MASTERVOLUME_MAX / kLSL6HiresUIVolumeMax));
}
-void GuestAdditions::syncPhant2VolumeFromScummVM(const int16 musicVolume) const {
- _state->variables[VAR_GLOBAL][kGlobalVarPhant2MasterVolume] = make_reg(0, musicVolume);
+void GuestAdditions::syncPhant2VolumeFromScummVM(const int16 masterVolume) const {
+ _state->variables[VAR_GLOBAL][kGlobalVarPhant2MasterVolume] = make_reg(0, masterVolume);
+ _state->variables[VAR_GLOBAL][kGlobalVarPhant2SecondaryVolume] = make_reg(0, masterVolume);
const reg_t soundsId = _state->variables[VAR_GLOBAL][kGlobalVarSounds];
if (!soundsId.isNull()) {
- reg_t params[] = { make_reg(0, SELECTOR(setVol)), make_reg(0, musicVolume) };
+ reg_t params[] = { make_reg(0, SELECTOR(setVol)), make_reg(0, masterVolume) };
invokeSelector(soundsId, SELECTOR(eachElementDo), 2, params);
}
}
@@ -1080,7 +1075,7 @@ void GuestAdditions::syncAudioVolumeGlobalsToScummVM(const int index, const reg_
case GID_PHANTASMAGORIA2:
if (index == kGlobalVarPhant2MasterVolume) {
- const int16 masterVolume = value.toSint16() * Audio::Mixer::kMaxMixerVolume / Audio32::kMaxVolume;
+ const int16 masterVolume = value.toSint16() * Audio::Mixer::kMaxMixerVolume / kPhant2VolumeMax;
ConfMan.setInt("music_volume", masterVolume);
ConfMan.setInt("sfx_volume", masterVolume);
ConfMan.setInt("speech_volume", masterVolume);
@@ -1247,18 +1242,18 @@ void GuestAdditions::syncPhant1UI(const int16 oldMusicVolume, const int16 musicV
}
}
-void GuestAdditions::syncPhant2UI(const int16 musicVolume) const {
- const reg_t musicVolumeScript = _segMan->findObjectByName("foo2");
+void GuestAdditions::syncPhant2UI(const int16 masterVolume) const {
+ const reg_t masterVolumeScript = _segMan->findObjectByName("foo2");
Common::Array<reg_t> scrollBars = _segMan->findObjectsByName("P2ScrollBar");
for (uint i = 0; i < scrollBars.size(); ++i) {
- if (readSelector(_segMan, scrollBars[i], SELECTOR(client)) == musicVolumeScript) {
+ if (readSelector(_segMan, scrollBars[i], SELECTOR(client)) == masterVolumeScript) {
// P2ScrollBar objects may exist without actually being on-screen;
// the easiest way to tell seems to be to look to see if it has
// non-null pointers to subviews. (The game will correctly set the
// position of the scrollbar when it first becomes visible, so this
// is fine.)
if (!readSelector(_segMan, scrollBars[i], SELECTOR(physicalBar)).isNull()) {
- reg_t params[] = { make_reg(0, musicVolume), make_reg(0, 1) };
+ reg_t params[] = { make_reg(0, masterVolume), make_reg(0, 1) };
invokeSelector(scrollBars[i], SELECTOR(move), 2, params);
break;
}
diff --git a/engines/sci/engine/guest_additions.h b/engines/sci/engine/guest_additions.h
index 7c80c29aac..64bd667414 100644
--- a/engines/sci/engine/guest_additions.h
+++ b/engines/sci/engine/guest_additions.h
@@ -33,6 +33,21 @@ class Kernel;
class Script;
class SegManager;
+#ifdef ENABLE_SCI32
+enum {
+ // The in-game volumes for Phant2 use a volume range smaller than the
+ // actual master volume because movie volume needs to be controllable from
+ // the normal ScummVM launcher volume controls, but movie dialogue cannot be
+ // heard if the game audio is at the same level as movies. The game normally
+ // sets defaults so that the in-game volume is 85 and movies are 127, so we
+ // will just use 85 as the maximum volume.
+ kPhant2VolumeMax = 85,
+
+ kLSL6HiresUIVolumeMax = 13,
+ kLSL6HiresSubtitleFlag = 105
+};
+#endif
+
/**
* The GuestAdditions class hooks into the SCI virtual machine to provide
* enhanced interactions between the ScummVM GUI and the game engine. Currently,
diff --git a/engines/sci/engine/script_patches.cpp b/engines/sci/engine/script_patches.cpp
index 443920128b..e8458480e7 100644
--- a/engines/sci/engine/script_patches.cpp
+++ b/engines/sci/engine/script_patches.cpp
@@ -26,6 +26,9 @@
#include "sci/engine/state.h"
#include "sci/engine/features.h"
#include "sci/engine/script_patches.h"
+#ifdef ENABLE_SCI32
+#include "sci/engine/guest_additions.h"
+#endif
#include "common/util.h"
@@ -3879,6 +3882,29 @@ static const uint16 phant2RatboyPatch[] = {
PATCH_END
};
+// Phant2 has separate in-game volume controls for handling movie volume and
+// in-game volume (misleading labelled "music volume"), but really needs the
+// in-game volume to always be significantly lower than the movie volume in
+// order for dialogue in movies to be consistently audible, so patch the in-game
+// volume slider to limit it to our maximum.
+// Applies to at least: US English
+static const uint16 phant2AudioVolumeSignature[] = {
+ SIG_MAGICDWORD,
+ 0x39, 0x7f, // pushi 127 (clientMax)
+ 0x39, 0x14, // pushi 20 (clientPageSize)
+ SIG_ADDTOOFFSET(+10), // skip other init arguments
+ 0x51, 0x5e, // class P2ScrollBar
+ SIG_ADDTOOFFSET(+3), // skip send
+ 0xa3, 0x06, // sal 6 (identifies correct slider)
+ SIG_END
+};
+
+static const uint16 phant2AudioVolumePatch[] = {
+ 0x39, kPhant2VolumeMax, // pushi (our custom volume max)
+ 0x39, 0x14 * kPhant2VolumeMax / 127, // pushi (ratio of original value)
+ PATCH_END
+};
+
// When censorship is disabled the game sticks <PROTECTED> at the end of every
// save game name, and when it is enabled it pads the save game name with a
// bunch of spaces. This is annoying and not helpful, so just disable all of
@@ -3945,6 +3971,7 @@ static const SciScriptPatcherEntry phantasmagoria2Signatures[] = {
{ true, 0, "slow interface fades", 3, phant2SlowIFadeSignature, phant2SlowIFadePatch },
{ true, 0, "bad arguments to get game version", 1, phant2GetVersionSignature, phant2GetVersionPatch },
{ true, 4081, "non-responsive mouse after ratboy puzzle", 1, phant2RatboySignature, phant2RatboyPatch },
+ { true, 63004, "limit in-game audio volume", 1, phant2AudioVolumeSignature, phant2AudioVolumePatch },
{ true, 63016, "non-responsive mouse during music fades", 1, phant2Wait4FadeSignature, phant2Wait4FadePatch },
{ true, 63019, "non-responsive mouse during computer load", 1, phant2CompSlideDoorsSignature, phant2CompSlideDoorsPatch },
{ true, 64990, "remove save game name mangling (1/2)", 1, phant2SaveNameSignature1, phant2SaveNamePatch1 },
diff --git a/engines/sci/engine/vm.h b/engines/sci/engine/vm.h
index 67729bfbf9..792287ba53 100644
--- a/engines/sci/engine/vm.h
+++ b/engines/sci/engine/vm.h
@@ -149,9 +149,10 @@ enum GlobalVar {
kGlobalVarNewRoomNo = 13,
kGlobalVarScore = 15,
kGlobalVarGK2MusicVolume = 76, // 0 to 127
- kGlobalVarFastCast = 84, // SCI16
- kGlobalVarMessageType = 90,
- kGlobalVarTextSpeed = 94, // SCI32; 0 is fastest, 8 is slowest
+ kGlobalVarPhant2SecondaryVolume = 76, // 0 to 127
+ kGlobalVarFastCast = 84, // SCI16
+ kGlobalVarMessageType = 90,
+ kGlobalVarTextSpeed = 94, // SCI32; 0 is fastest, 8 is slowest
kGlobalVarGK1Music1 = 102, // 0 to 127
kGlobalVarGK1Music2 = 103, // 0 to 127
kGlobalVarLSL6HiresGameFlags = 137,
diff --git a/engines/sci/sound/audio32.cpp b/engines/sci/sound/audio32.cpp
index c3f9eb4098..ad9af4ebf6 100644
--- a/engines/sci/sound/audio32.cpp
+++ b/engines/sci/sound/audio32.cpp
@@ -359,6 +359,17 @@ int Audio32::readBuffer(Audio::st_sample_t *const buffer, const int numSamples)
} else if (volume > 84 && volume < kMaxVolume) {
volume = 63;
}
+ } else if (getSciVersion() == SCI_VERSION_3 && volume != kMaxVolume) {
+ // In SCI3, granularity of the non-maximum volumes is 1/32
+ volume &= ~4;
+
+ // NOTE: In the SSCI DOS interpreter, non-maximum volumes are
+ // divided by 8 which puts them in a range of [0, 16). That
+ // reduced volume range gets passed into a volume function which
+ // expects values [0, 32). So, effectively, all non-maximum
+ // volumes are half-volume in DOS in SCI3. In Windows, volumes
+ // [120, 124) are the same as 127 due to a programming bug.
+ // We do not emulate either of these incorrect behaviors.
}
leftVolume = rightVolume = volume * Audio::Mixer::kMaxChannelVolume / kMaxVolume;
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-24 11:24:50 +0000