BGE: allow sound actuators to be converted even when they have invalid samples

without this, an incorrect sound path could cause scripts to to fail, making some functionality not work at all.

This also fixes a problem where samples would be loaded multiple times.

1 files changed, 79 insertions, 60 deletions

diff --git a/source/gameengine/Converter/KX_ConvertActuators.cpp b/source/gameengine/Converter/KX_ConvertActuators.cpp
index b1f86afa4ee..e71928b8cee 100644
--- a/source/gameengine/Converter/KX_ConvertActuators.cpp
+++ b/source/gameengine/Converter/KX_ConvertActuators.cpp
@@ -355,22 +355,26 @@ void BL_ConvertActuators(char* maggiename,
 				
 				if (soundActuatorType != KX_SoundActuator::KX_SOUNDACT_NODEF) 
 				{
-					SND_SoundObject* sndobj = NULL;
+					SND_Scene* soundscene = scene->GetSoundScene();
+					STR_String samplename = "";
+					bool sampleisloaded = false;
 					
-					if (soundact->sound)
-					{
-						SND_Scene* soundscene = scene->GetSoundScene();
-						STR_String samplename = soundact->sound->name;
+					if (soundact->sound) {
+						/* Need to convert the samplename into absolute path
+						 * before checking if its loaded */
+						char fullpath[sizeof(soundact->sound->name)];
 						
-						bool sampleisloaded = false;
+						/* dont modify soundact->sound->name, only change a copy */
+						BLI_strncpy(fullpath, soundact->sound->name, sizeof(fullpath));
+						BLI_convertstringcode(fullpath, maggiename);
+						samplename = fullpath;
 						
 						/* let's see if the sample was already loaded */
 						if (soundscene->IsSampleLoaded(samplename))
 						{
 							sampleisloaded = true;
 						}
-						else
-						{
+						else {
 							/* if not, make it so */
 							PackedFile* pf = soundact->sound->newpackedfile;
 							
@@ -383,65 +387,80 @@ void BL_ConvertActuators(char* maggiename,
 							/* or else load it from disk */
 							else
 							{
-								/* but we need to convert the samplename into absolute pathname first */
-								char fullpath[sizeof(soundact->sound->name)];
-								
-								/* dont modify soundact->sound->name, only change a copy */
-								BLI_strncpy(fullpath, soundact->sound->name, sizeof(fullpath));
-								BLI_convertstringcode(fullpath, maggiename);
-								samplename = fullpath;
-								
-								/* and now we can load it */
-								if (soundscene->LoadSample(samplename, NULL, 0) > -1)
+								if (soundscene->LoadSample(samplename, NULL, 0) > -1) {
 									sampleisloaded = true;
+								}
+								else {
+									std::cout <<	"WARNING: Sound actuator \"" << bact->name <<
+													"\" from object \"" <<  blenderobject->id.name+2 <<
+													"\" failed to load sample." << std::endl;
+								}
 							}
 						}
-						
-						if (sampleisloaded)
+					} else {
+						std::cout <<	"WARNING: Sound actuator \"" << bact->name <<
+										"\" from object \"" <<  blenderobject->id.name+2 <<
+										"\" has no sound datablock." << std::endl;
+					}
+					
+					/* Note, allowing actuators for sounds that are not there was added since 2.47
+					 * This is because python may expect the actuator and raise an exception if it dosnt find it
+					 * better just to add a dummy sound actuator. */
+					/*if (sampleisloaded)*/
+					
+					/* setup the SND_SoundObject */
+					SND_SoundObject* sndobj = new SND_SoundObject();
+					sndobj->SetSampleName(samplename.Ptr());
+					sndobj->SetObjectName(bact->name);
+					if (soundact->sound) {
+						sndobj->SetRollOffFactor(soundact->sound->attenuation);
+						sndobj->SetGain(soundact->sound->volume);
+						sndobj->SetPitch(exp((soundact->sound->pitch / 12.0) * log(2.0)));
+						//							sndobj->SetLoopStart(soundact->sound->loopstart);
+						//							sndobj->SetLoopStart(soundact->sound->loopend);
+						if (soundact->sound->flags & SOUND_FLAGS_LOOP)
 						{
-							sndobj = new SND_SoundObject();
-							sndobj->SetSampleName(samplename.Ptr());
-							sndobj->SetObjectName(bact->name);
-							sndobj->SetRollOffFactor(soundact->sound->attenuation);
-							sndobj->SetGain(soundact->sound->volume);
-							sndobj->SetPitch(exp((soundact->sound->pitch / 12.0) * log(2.0)));
-							//							sndobj->SetLoopStart(soundact->sound->loopstart);
-							//							sndobj->SetLoopStart(soundact->sound->loopend);
-							if (soundact->sound->flags & SOUND_FLAGS_LOOP)
-							{
-								if (soundact->sound->flags & SOUND_FLAGS_BIDIRECTIONAL_LOOP)
-									sndobj->SetLoopMode(SND_LOOP_BIDIRECTIONAL);
-								else
-									sndobj->SetLoopMode(SND_LOOP_NORMAL);
-							}
-							else
-								sndobj->SetLoopMode(SND_LOOP_OFF);
-							
-							if (soundact->sound->flags & SOUND_FLAGS_PRIORITY)
-								sndobj->SetHighPriority(true);
+							if (soundact->sound->flags & SOUND_FLAGS_BIDIRECTIONAL_LOOP)
+								sndobj->SetLoopMode(SND_LOOP_BIDIRECTIONAL);
 							else
-								sndobj->SetHighPriority(false);
-							
-							if (soundact->sound->flags & SOUND_FLAGS_3D)
-								sndobj->Set3D(true);
-							else
-								sndobj->Set3D(false);
-							
-							KX_SoundActuator* tmpsoundact = 
-								new KX_SoundActuator(gameobj, 
-								sndobj,
-								scene->GetSoundScene(), // needed for replication!
-								soundActuatorType,
-								startFrame,
-								stopFrame);
-							
-							tmpsoundact->SetName(bact->name);
-							baseact = tmpsoundact;
-							soundscene->AddObject(sndobj);
-						} else {
-							std::cout << "WARNING: Sound actuator " << bact->name << " failed to load sample." << std::endl;
+								sndobj->SetLoopMode(SND_LOOP_NORMAL);
+						}
+						else {
+							sndobj->SetLoopMode(SND_LOOP_OFF);
 						}
+						
+						if (soundact->sound->flags & SOUND_FLAGS_PRIORITY)
+							sndobj->SetHighPriority(true);
+						else
+							sndobj->SetHighPriority(false);
+						
+						if (soundact->sound->flags & SOUND_FLAGS_3D)
+							sndobj->Set3D(true);
+						else
+							sndobj->Set3D(false);
 					}
+					else {
+						/* dummy values for a NULL sound
+						 * see editsound.c - defaults are unlikely to change soon */
+						sndobj->SetRollOffFactor(1.0);
+						sndobj->SetGain(1.0);
+						sndobj->SetPitch(1.0);
+						sndobj->SetLoopMode(SND_LOOP_OFF);
+						sndobj->SetHighPriority(false);
+						sndobj->Set3D(false);
+					}
+					
+					KX_SoundActuator* tmpsoundact = 
+						new KX_SoundActuator(gameobj, 
+						sndobj,
+						scene->GetSoundScene(), // needed for replication!
+						soundActuatorType,
+						startFrame,
+						stopFrame);
+					
+					tmpsoundact->SetName(bact->name);
+					baseact = tmpsoundact;
+					soundscene->AddObject(sndobj);
 				}
 				break;
 			}