/[svn]/linuxsampler/trunk/src/engines/gig/EngineChannel.cpp
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Diff of /linuxsampler/trunk/src/engines/gig/EngineChannel.cpp

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revision 2901 by schoenebeck, Sun Apr 10 18:22:23 2016 UTC revision 2902 by schoenebeck, Tue May 3 14:00:16 2016 UTC
# Line 28  Line 28 
28    
29  namespace LinuxSampler { namespace gig {  namespace LinuxSampler { namespace gig {
30      EngineChannel::EngineChannel() {      EngineChannel::EngineChannel() {
31                    CurrentGigScript = NULL;
32      }      }
33    
34      EngineChannel::~EngineChannel() {      EngineChannel::~EngineChannel() {
# Line 84  namespace LinuxSampler { namespace gig { Line 84  namespace LinuxSampler { namespace gig {
84    
85          // make sure we don't trigger any new notes with an old          // make sure we don't trigger any new notes with an old
86          // instrument          // instrument
87          InstrumentChangeCmd< ::gig::DimensionRegion, ::gig::Instrument>& cmd = ChangeInstrument(0);          InstrumentChangeCmd< ::gig::DimensionRegion, ::gig::Instrument>& cmd = ChangeInstrument(NULL);
88          if (cmd.pInstrument) {          if (cmd.pInstrument) {
89              // give old instrument back to instrument manager, but              // give old instrument back to instrument manager, but
90              // keep the dimension regions and samples that are in use              // keep the dimension regions and samples that are in use
# Line 93  namespace LinuxSampler { namespace gig { Line 93  namespace LinuxSampler { namespace gig {
93          if (cmd.pScript) {          if (cmd.pScript) {
94              // give old instrument script back to instrument resource manager              // give old instrument script back to instrument resource manager
95              cmd.pScript->resetAll();              cmd.pScript->resetAll();
96                CurrentGigScript = NULL;
97          }          }
98          cmd.pRegionsInUse->clear();          cmd.pRegionsInUse->clear();
99    
# Line 119  namespace LinuxSampler { namespace gig { Line 120  namespace LinuxSampler { namespace gig {
120                  String sourceCode = script->GetScriptAsText();                  String sourceCode = script->GetScriptAsText();
121                  LoadInstrumentScript(sourceCode);                  LoadInstrumentScript(sourceCode);
122              }              }
123                CurrentGigScript = script;
124          }          }
125          catch (RIFF::Exception e) {          catch (RIFF::Exception e) {
126              InstrumentStat = -2;              InstrumentStat = -2;
# Line 170  namespace LinuxSampler { namespace gig { Line 172  namespace LinuxSampler { namespace gig {
172          StatusChanged(true);          StatusChanged(true);
173      }      }
174    
175        /**
176         * Called by instrument editor API to inform this engine channel that the
177         * passed @a script has been modified by the instrument editor and that
178         * this engine channel should thus reload the instrument script (that is
179         * that it should re-parse the scripts new source code).
180         */
181        void EngineChannel::reloadScript(::gig::Script* script) {
182            dmsg(3,("gig::EngineChannel::realoadScript()\n"));
183            // make sure this engine channel is actually using the requested
184            // modified gig::Script object (because the internal script resource
185            // manager will i.e. provide the same VM object for different
186            // ::gig::Script objects with same source code though.
187            if (!script || CurrentGigScript != script) return;
188    
189            //TODO: reloading the entire instrument is currently a very lazy (and slow) solution just for reloading the instrument script
190            try {
191                LoadInstrument();
192            } catch (Exception e) {
193                std::cerr << e.Message() << std::endl;
194            } catch (...) {
195                String msg = "gig::Engine error: Failed to reload instrument script, cause: Unknown exception while trying to reload gig file.";
196                std::cerr << msg << std::endl;
197            }
198        }
199    
200      void EngineChannel::ProcessKeySwitchChange(int key) {      void EngineChannel::ProcessKeySwitchChange(int key) {
201          // Change key dimension value if key is in keyswitching area          // Change key dimension value if key is in keyswitching area
202          {          {
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