/[svn]/linuxsampler/trunk/src/engines/common/InstrumentScriptVM.cpp
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revision 2629 by schoenebeck, Thu Jun 12 18:25:11 2014 UTC revision 2942 by schoenebeck, Wed Jul 13 15:51:06 2016 UTC
# Line 1  Line 1 
1  /*  /*
2   * Copyright (c) 2014 Christian Schoenebeck   * Copyright (c) 2014 - 2016 Christian Schoenebeck
3   *   *
4   * http://www.linuxsampler.org   * http://www.linuxsampler.org
5   *   *
# Line 16  Line 16 
16  namespace LinuxSampler {  namespace LinuxSampler {
17    
18      ///////////////////////////////////////////////////////////////////////      ///////////////////////////////////////////////////////////////////////
19        // class 'EventGroup'
20    
21        void EventGroup::insert(int eventID) {
22            if (contains(eventID)) return;
23    
24            AbstractEngine* pEngine = m_script->pEngineChannel->pEngine;
25    
26            // before adding the new event ID, check if there are any dead events
27            // and remove them in that case, before otherwise we might run in danger
28            // to run out of free space on this group for event IDs if a lot of
29            // events die before being removed explicitly from the group by script
30            //
31            // NOTE: or should we do this "dead ones" check only once in a while?
32            int firstDead = -1;
33            for (int i = 0; i < size(); ++i) {
34                if (firstDead >= 0) {
35                    if (pEngine->EventByID(eventID)) {
36                        remove(firstDead, i - firstDead);
37                        firstDead = -1;
38                    }
39                } else {
40                    if (!pEngine->EventByID(eventID)) firstDead = i;
41                }
42            }
43    
44            append(eventID);
45        }
46    
47        void EventGroup::erase(int eventID) {
48            int index = find(eventID);
49            remove(index);
50        }
51    
52        ///////////////////////////////////////////////////////////////////////
53      // class 'InstrumentScript'      // class 'InstrumentScript'
54    
55        InstrumentScript::InstrumentScript(AbstractEngineChannel* pEngineChannel) {
56            parserContext = NULL;
57            bHasValidScript = false;
58            handlerInit = NULL;
59            handlerNote = NULL;
60            handlerRelease = NULL;
61            handlerController = NULL;
62            pEvents = NULL;
63            for (int i = 0; i < 128; ++i)
64                pKeyEvents[i] = NULL;
65            this->pEngineChannel = pEngineChannel;
66            for (int i = 0; i < INSTR_SCRIPT_EVENT_GROUPS; ++i)
67                eventGroups[i].setScript(this);
68        }
69    
70        InstrumentScript::~InstrumentScript() {
71            resetAll();
72            if (pEvents) {
73                for (int i = 0; i < 128; ++i) delete pKeyEvents[i];
74                delete pEvents;
75            }
76        }
77    
78      /** @brief Load real-time instrument script.      /** @brief Load real-time instrument script.
79       *       *
80       * Loads the real-time instrument script given by @a text on the engine       * Loads the real-time instrument script given by @a text on the engine
# Line 64  namespace LinuxSampler { Line 121  namespace LinuxSampler {
121              handlerExecCount++;              handlerExecCount++;
122    
123          // create script event pool (if it doesn't exist already)          // create script event pool (if it doesn't exist already)
124          if (!pEvents)          if (!pEvents) {
125              pEvents = new Pool<ScriptEvent>(CONFIG_MAX_EVENTS_PER_FRAGMENT);              pEvents = new Pool<ScriptEvent>(CONFIG_MAX_EVENTS_PER_FRAGMENT);
126                for (int i = 0; i < 128; ++i)
127                    pKeyEvents[i] = new RTList<ScriptEvent>(pEvents);
128            }
129    
130          // create new VM execution contexts for new script          // create new VM execution contexts for new script
131          while (!pEvents->poolIsEmpty()) {          while (!pEvents->poolIsEmpty()) {
# Line 97  namespace LinuxSampler { Line 157  namespace LinuxSampler {
157          if (parserContext)          if (parserContext)
158              dmsg(1,("Unloading current instrument script.\n"));              dmsg(1,("Unloading current instrument script.\n"));
159    
160            resetEvents();
161    
162          // free allocated VM execution contexts          // free allocated VM execution contexts
163          if (pEvents) {          if (pEvents) {
164              pEvents->clear();              pEvents->clear();
# Line 135  namespace LinuxSampler { Line 197  namespace LinuxSampler {
197          unload();          unload();
198          code.clear();          code.clear();
199      }      }
200        
201        /**
202         * Clears all currently active script events. This should be called
203         * whenever the engine or engine channel was reset for some reason.
204         */
205        void InstrumentScript::resetEvents() {
206            for (int i = 0; i < INSTR_SCRIPT_EVENT_GROUPS; ++i)
207                eventGroups[i].clear();
208    
209            for (int i = 0; i < 128; ++i)
210                if (pKeyEvents[i])
211                    pKeyEvents[i]->clear();
212    
213            suspendedEvents.clear();
214    
215            if (pEvents) pEvents->clear();
216        }
217    
218      ///////////////////////////////////////////////////////////////////////      ///////////////////////////////////////////////////////////////////////
219      // class 'InstrumentScriptVM'      // class 'InstrumentScriptVM'
220    
221      InstrumentScriptVM::InstrumentScriptVM() :      InstrumentScriptVM::InstrumentScriptVM() :
222          m_event(NULL), m_fnPlayNote(this), m_fnSetController(this),          m_event(NULL), m_fnPlayNote(this), m_fnSetController(this),
223          m_fnIgnoreEvent(this), m_fnIgnoreController(this), m_fnNoteOff(this)          m_fnIgnoreEvent(this), m_fnIgnoreController(this), m_fnNoteOff(this),
224            m_fnSetEventMark(this), m_fnDeleteEventMark(this), m_fnByMarks(this),
225            m_fnChangeVol(this), m_fnChangeTune(this), m_fnChangePan(this),
226            m_fnChangeCutoff(this), m_fnChangeReso(this), m_fnEventStatus(this),
227            m_varEngineUptime(this)
228      {      {
229          m_CC.size = _MEMBER_SIZEOF(AbstractEngineChannel, ControllerTable);          m_CC.size = _MEMBER_SIZEOF(AbstractEngineChannel, ControllerTable);
230          m_CC_NUM = DECLARE_VMINT(m_event, class ScriptEvent, cause.Param.CC.Controller);          m_CC_NUM = DECLARE_VMINT(m_event, class ScriptEvent, cause.Param.CC.Controller);
# Line 195  namespace LinuxSampler { Line 278  namespace LinuxSampler {
278      }      }
279    
280      std::map<String,VMIntRelPtr*> InstrumentScriptVM::builtInIntVariables() {      std::map<String,VMIntRelPtr*> InstrumentScriptVM::builtInIntVariables() {
281          // first get buil-in integer variables of derived VM class          // first get built-in integer variables of derived VM class
282          std::map<String,VMIntRelPtr*> m = ScriptVM::builtInIntVariables();          std::map<String,VMIntRelPtr*> m = ScriptVM::builtInIntVariables();
283    
284          // now add own built-in variables          // now add own built-in variables
# Line 209  namespace LinuxSampler { Line 292  namespace LinuxSampler {
292      }      }
293    
294      std::map<String,VMInt8Array*> InstrumentScriptVM::builtInIntArrayVariables() {      std::map<String,VMInt8Array*> InstrumentScriptVM::builtInIntArrayVariables() {
295          // first get buil-in integer array variables of derived VM class          // first get built-in integer array variables of derived VM class
296          std::map<String,VMInt8Array*> m = ScriptVM::builtInIntArrayVariables();          std::map<String,VMInt8Array*> m = ScriptVM::builtInIntArrayVariables();
297    
298          // now add own built-in variables          // now add own built-in variables
# Line 221  namespace LinuxSampler { Line 304  namespace LinuxSampler {
304      }      }
305    
306      std::map<String,int> InstrumentScriptVM::builtInConstIntVariables() {      std::map<String,int> InstrumentScriptVM::builtInConstIntVariables() {
307          // first get buil-in integer variables of derived VM class          // first get built-in integer variables of derived VM class
308          std::map<String,int> m = ScriptVM::builtInConstIntVariables();          std::map<String,int> m = ScriptVM::builtInConstIntVariables();
309    
310            m["$EVENT_STATUS_INACTIVE"] = EVENT_STATUS_INACTIVE;
311            m["$EVENT_STATUS_NOTE_QUEUE"] = EVENT_STATUS_NOTE_QUEUE;
312          m["$VCC_MONO_AT"] = CTRL_TABLE_IDX_AFTERTOUCH;          m["$VCC_MONO_AT"] = CTRL_TABLE_IDX_AFTERTOUCH;
313          m["$VCC_PITCH_BEND"] = CTRL_TABLE_IDX_PITCHBEND;          m["$VCC_PITCH_BEND"] = CTRL_TABLE_IDX_PITCHBEND;
314            for (int i = 0; i < INSTR_SCRIPT_EVENT_GROUPS; ++i) {
315                m["$MARK_" + ToString(i+1)] = i;
316            }
317    
318            return m;
319        }
320    
321        std::map<String,VMDynVar*> InstrumentScriptVM::builtInDynamicVariables() {
322            // first get built-in dynamic variables of derived VM class
323            std::map<String,VMDynVar*> m = ScriptVM::builtInDynamicVariables();
324    
325            m["$ENGINE_UPTIME"] = &m_varEngineUptime;
326    
327          return m;          return m;
328      }      }
# Line 237  namespace LinuxSampler { Line 334  namespace LinuxSampler {
334          else if (name == "ignore_event") return &m_fnIgnoreEvent;          else if (name == "ignore_event") return &m_fnIgnoreEvent;
335          else if (name == "ignore_controller") return &m_fnIgnoreController;          else if (name == "ignore_controller") return &m_fnIgnoreController;
336          else if (name == "note_off") return &m_fnNoteOff;          else if (name == "note_off") return &m_fnNoteOff;
337            else if (name == "set_event_mark") return &m_fnSetEventMark;
338            else if (name == "delete_event_mark") return &m_fnDeleteEventMark;
339            else if (name == "by_marks") return &m_fnByMarks;
340            else if (name == "change_vol") return &m_fnChangeVol;
341            else if (name == "change_tune") return &m_fnChangeTune;
342            else if (name == "change_pan") return &m_fnChangePan;
343            else if (name == "change_cutoff") return &m_fnChangeCutoff;
344            else if (name == "change_reso") return &m_fnChangeReso;
345            else if (name == "event_status") return &m_fnEventStatus;
346    
347          // built-in script functions of derived VM class          // built-in script functions of derived VM class
348          return ScriptVM::functionByName(name);          return ScriptVM::functionByName(name);
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