/[svn]/linuxsampler/trunk/src/engines/common/InstrumentScriptVM.cpp
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revision 2612 by schoenebeck, Tue Jun 10 13:32:16 2014 UTC revision 3035 by schoenebeck, Mon Oct 31 12:00:00 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 7  Line 7 
7   * See README file for details.   * See README file for details.
8   */   */
9    
10    #include "../../common/global_private.h"
11  #include "InstrumentScriptVM.h"  #include "InstrumentScriptVM.h"
12  #include "../AbstractEngineChannel.h"  #include "../AbstractEngineChannel.h"
13  #include "../../common/global_private.h"  #include "../../common/global_private.h"
14  #include "AbstractInstrumentManager.h"  #include "AbstractInstrumentManager.h"
15    #include "MidiKeyboardManager.h"
16    
17  namespace LinuxSampler {  namespace LinuxSampler {
18    
19      ///////////////////////////////////////////////////////////////////////      ///////////////////////////////////////////////////////////////////////
20        // class 'EventGroup'
21    
22        void EventGroup::insert(int eventID) {
23            if (contains(eventID)) return;
24    
25            AbstractEngine* pEngine = m_script->pEngineChannel->pEngine;
26    
27            // before adding the new event ID, check if there are any dead events
28            // and remove them in that case, before otherwise we might run in danger
29            // to run out of free space on this group for event IDs if a lot of
30            // events die before being removed explicitly from the group by script
31            //
32            // NOTE: or should we do this "dead ones" check only once in a while?
33            int firstDead = -1;
34            for (int i = 0; i < size(); ++i) {
35                if (firstDead >= 0) {
36                    if (pEngine->EventByID(eventID)) {
37                        remove(firstDead, i - firstDead);
38                        firstDead = -1;
39                    }
40                } else {
41                    if (!pEngine->EventByID(eventID)) firstDead = i;
42                }
43            }
44    
45            append(eventID);
46        }
47    
48        void EventGroup::erase(int eventID) {
49            int index = find(eventID);
50            remove(index);
51        }
52    
53        ///////////////////////////////////////////////////////////////////////
54      // class 'InstrumentScript'      // class 'InstrumentScript'
55    
56        InstrumentScript::InstrumentScript(AbstractEngineChannel* pEngineChannel) {
57            parserContext = NULL;
58            bHasValidScript = false;
59            handlerInit = NULL;
60            handlerNote = NULL;
61            handlerRelease = NULL;
62            handlerController = NULL;
63            pEvents = NULL;
64            for (int i = 0; i < 128; ++i)
65                pKeyEvents[i] = NULL;
66            this->pEngineChannel = pEngineChannel;
67            for (int i = 0; i < INSTR_SCRIPT_EVENT_GROUPS; ++i)
68                eventGroups[i].setScript(this);
69        }
70    
71        InstrumentScript::~InstrumentScript() {
72            resetAll();
73            if (pEvents) {
74                for (int i = 0; i < 128; ++i) delete pKeyEvents[i];
75                delete pEvents;
76            }
77        }
78    
79      /** @brief Load real-time instrument script.      /** @brief Load real-time instrument script.
80       *       *
81       * 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 63  namespace LinuxSampler { Line 122  namespace LinuxSampler {
122              handlerExecCount++;              handlerExecCount++;
123    
124          // create script event pool (if it doesn't exist already)          // create script event pool (if it doesn't exist already)
125          if (!pEvents)          if (!pEvents) {
126              pEvents = new Pool<ScriptEvent>(CONFIG_MAX_EVENTS_PER_FRAGMENT);              pEvents = new Pool<ScriptEvent>(CONFIG_MAX_EVENTS_PER_FRAGMENT);
127                for (int i = 0; i < 128; ++i)
128                    pKeyEvents[i] = new RTList<ScriptEvent>(pEvents);
129                // reset RTAVLNode's tree node member variables after nodes are allocated
130                // (since we can't use a constructor right now, we do that initialization here)
131                while (!pEvents->poolIsEmpty()) {
132                    RTList<ScriptEvent>::Iterator it = pEvents->allocAppend();
133                    it->reset();
134                }
135                pEvents->clear();
136            }
137    
138          // create new VM execution contexts for new script          // create new VM execution contexts for new script
139          while (!pEvents->poolIsEmpty()) {          while (!pEvents->poolIsEmpty()) {
# Line 87  namespace LinuxSampler { Line 156  namespace LinuxSampler {
156       * to deallocate the parsed script once not used on any engine channel       * to deallocate the parsed script once not used on any engine channel
157       * anymore.       * anymore.
158       *       *
159       * Calling thid method will however not clear the @c code member variable.       * Calling this method will however not clear the @c code member variable.
160       * Thus, the script can be parsed again afterwards.       * Thus, the script can be parsed again afterwards.
161       */       */
162      void InstrumentScript::unload() {      void InstrumentScript::unload() {
163            //dmsg(1,("InstrumentScript::unload(this=0x%llx)\n", this));
164    
165          if (parserContext)          if (parserContext)
166              dmsg(1,("Unloading current instrument script.\n"));              dmsg(1,("Unloading current instrument script.\n"));
167    
168            resetEvents();
169    
170          // free allocated VM execution contexts          // free allocated VM execution contexts
171          if (pEvents) {          if (pEvents) {
172              pEvents->clear();              pEvents->clear();
# Line 132  namespace LinuxSampler { Line 205  namespace LinuxSampler {
205          unload();          unload();
206          code.clear();          code.clear();
207      }      }
208        
209        /**
210         * Clears all currently active script events. This should be called
211         * whenever the engine or engine channel was reset for some reason.
212         */
213        void InstrumentScript::resetEvents() {
214            for (int i = 0; i < INSTR_SCRIPT_EVENT_GROUPS; ++i)
215                eventGroups[i].clear();
216    
217            for (int i = 0; i < 128; ++i)
218                if (pKeyEvents[i])
219                    pKeyEvents[i]->clear();
220    
221            suspendedEvents.clear();
222    
223            if (pEvents) pEvents->clear();
224        }
225    
226      ///////////////////////////////////////////////////////////////////////      ///////////////////////////////////////////////////////////////////////
227      // class 'InstrumentScriptVM'      // class 'InstrumentScriptVM'
228    
229      InstrumentScriptVM::InstrumentScriptVM() :      InstrumentScriptVM::InstrumentScriptVM() :
230          m_event(NULL), m_fnPlayNote(this), m_fnSetController(this),          m_event(NULL), m_fnPlayNote(this), m_fnSetController(this),
231          m_fnIgnoreEvent(this), m_fnIgnoreController(this)          m_fnIgnoreEvent(this), m_fnIgnoreController(this), m_fnNoteOff(this),
232            m_fnSetEventMark(this), m_fnDeleteEventMark(this), m_fnByMarks(this),
233            m_fnChangeVol(this), m_fnChangeTune(this), m_fnChangePan(this),
234            m_fnChangeCutoff(this), m_fnChangeReso(this),  m_fnChangeAttack(this),
235            m_fnChangeDecay(this), m_fnChangeRelease(this), m_fnEventStatus(this),
236            m_fnWait2(this), m_fnStopWait(this),
237            m_varEngineUptime(this), m_varCallbackID(this)
238      {      {
239          m_CC.size = _MEMBER_SIZEOF(AbstractEngineChannel, ControllerTable);          m_CC.size = _MEMBER_SIZEOF(AbstractEngineChannel, ControllerTable);
240          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);
241          m_EVENT_ID = DECLARE_VMINT(m_event, class ScriptEvent, id);          m_EVENT_ID = DECLARE_VMINT_READONLY(m_event, class ScriptEvent, id);
242          m_EVENT_NOTE = DECLARE_VMINT(m_event, class ScriptEvent, cause.Param.Note.Key);          m_EVENT_NOTE = DECLARE_VMINT(m_event, class ScriptEvent, cause.Param.Note.Key);
243          m_EVENT_VELOCITY = DECLARE_VMINT(m_event, class ScriptEvent, cause.Param.Note.Velocity);          m_EVENT_VELOCITY = DECLARE_VMINT(m_event, class ScriptEvent, cause.Param.Note.Velocity);
244            m_KEY_DOWN.size = 128;
245            m_NI_CALLBACK_TYPE = DECLARE_VMINT_READONLY(m_event, class ScriptEvent, handlerType);
246            m_NKSP_IGNORE_WAIT = DECLARE_VMINT(m_event, class ScriptEvent, ignoreAllWaitCalls);
247      }      }
248    
249      VMExecStatus_t InstrumentScriptVM::exec(VMParserContext* parserCtx, ScriptEvent* event) {      VMExecStatus_t InstrumentScriptVM::exec(VMParserContext* parserCtx, ScriptEvent* event) {
# Line 154  namespace LinuxSampler { Line 253  namespace LinuxSampler {
253          // prepare built-in script variables for script execution          // prepare built-in script variables for script execution
254          m_event = event;          m_event = event;
255          m_CC.data = (int8_t*) &pEngineChannel->ControllerTable[0];          m_CC.data = (int8_t*) &pEngineChannel->ControllerTable[0];
256            m_KEY_DOWN.data = &pEngineChannel->GetMidiKeyboardManager()->KeyDown[0];
257    
258          // if script is in start condition, then do mandatory MIDI event          // if script is in start condition, then do mandatory MIDI event
259          // preprocessing tasks, which essentially means updating i.e. controller          // preprocessing tasks, which essentially means updating i.e. controller
# Line 190  namespace LinuxSampler { Line 290  namespace LinuxSampler {
290      }      }
291    
292      std::map<String,VMIntRelPtr*> InstrumentScriptVM::builtInIntVariables() {      std::map<String,VMIntRelPtr*> InstrumentScriptVM::builtInIntVariables() {
293          // first get buil-in integer variables of derived VM class          // first get built-in integer variables of derived VM class
294          std::map<String,VMIntRelPtr*> m = ScriptVM::builtInIntVariables();          std::map<String,VMIntRelPtr*> m = ScriptVM::builtInIntVariables();
295    
296          // now add own built-in variables          // now add own built-in variables
# Line 199  namespace LinuxSampler { Line 299  namespace LinuxSampler {
299          m["$EVENT_NOTE"] = &m_EVENT_NOTE;          m["$EVENT_NOTE"] = &m_EVENT_NOTE;
300          m["$EVENT_VELOCITY"] = &m_EVENT_VELOCITY;          m["$EVENT_VELOCITY"] = &m_EVENT_VELOCITY;
301  //         m["$POLY_AT_NUM"] = &m_POLY_AT_NUM;  //         m["$POLY_AT_NUM"] = &m_POLY_AT_NUM;
302            m["$NI_CALLBACK_TYPE"] = &m_NI_CALLBACK_TYPE;
303            m["$NKSP_IGNORE_WAIT"] = &m_NKSP_IGNORE_WAIT;
304    
305          return m;          return m;
306      }      }
307    
308      std::map<String,VMInt8Array*> InstrumentScriptVM::builtInIntArrayVariables() {      std::map<String,VMInt8Array*> InstrumentScriptVM::builtInIntArrayVariables() {
309          // first get buil-in integer array variables of derived VM class          // first get built-in integer array variables of derived VM class
310          std::map<String,VMInt8Array*> m = ScriptVM::builtInIntArrayVariables();          std::map<String,VMInt8Array*> m = ScriptVM::builtInIntArrayVariables();
311    
312          // now add own built-in variables          // now add own built-in variables
313          m["%CC"] = &m_CC;          m["%CC"] = &m_CC;
314          //m["%KEY_DOWN"] = &m_KEY_DOWN;          m["%KEY_DOWN"] = &m_KEY_DOWN;
315          //m["%POLY_AT"] = &m_POLY_AT;          //m["%POLY_AT"] = &m_POLY_AT;
316    
317          return m;          return m;
318      }      }
319    
320      std::map<String,int> InstrumentScriptVM::builtInConstIntVariables() {      std::map<String,int> InstrumentScriptVM::builtInConstIntVariables() {
321          // first get buil-in integer variables of derived VM class          // first get built-in integer variables of derived VM class
322          std::map<String,int> m = ScriptVM::builtInConstIntVariables();          std::map<String,int> m = ScriptVM::builtInConstIntVariables();
323    
324            m["$EVENT_STATUS_INACTIVE"] = EVENT_STATUS_INACTIVE;
325            m["$EVENT_STATUS_NOTE_QUEUE"] = EVENT_STATUS_NOTE_QUEUE;
326          m["$VCC_MONO_AT"] = CTRL_TABLE_IDX_AFTERTOUCH;          m["$VCC_MONO_AT"] = CTRL_TABLE_IDX_AFTERTOUCH;
327          m["$VCC_PITCH_BEND"] = CTRL_TABLE_IDX_PITCHBEND;          m["$VCC_PITCH_BEND"] = CTRL_TABLE_IDX_PITCHBEND;
328            for (int i = 0; i < INSTR_SCRIPT_EVENT_GROUPS; ++i) {
329                m["$MARK_" + ToString(i+1)] = i;
330            }
331    
332            return m;
333        }
334    
335        std::map<String,VMDynVar*> InstrumentScriptVM::builtInDynamicVariables() {
336            // first get built-in dynamic variables of derived VM class
337            std::map<String,VMDynVar*> m = ScriptVM::builtInDynamicVariables();
338    
339            m["$ENGINE_UPTIME"] = &m_varEngineUptime;
340            m["$NI_CALLBACK_ID"] = &m_varCallbackID;
341    
342          return m;          return m;
343      }      }
# Line 231  namespace LinuxSampler { Line 348  namespace LinuxSampler {
348          else if (name == "set_controller") return &m_fnSetController;          else if (name == "set_controller") return &m_fnSetController;
349          else if (name == "ignore_event") return &m_fnIgnoreEvent;          else if (name == "ignore_event") return &m_fnIgnoreEvent;
350          else if (name == "ignore_controller") return &m_fnIgnoreController;          else if (name == "ignore_controller") return &m_fnIgnoreController;
351            else if (name == "note_off") return &m_fnNoteOff;
352            else if (name == "set_event_mark") return &m_fnSetEventMark;
353            else if (name == "delete_event_mark") return &m_fnDeleteEventMark;
354            else if (name == "by_marks") return &m_fnByMarks;
355            else if (name == "change_vol") return &m_fnChangeVol;
356            else if (name == "change_tune") return &m_fnChangeTune;
357            else if (name == "change_pan") return &m_fnChangePan;
358            else if (name == "change_cutoff") return &m_fnChangeCutoff;
359            else if (name == "change_reso") return &m_fnChangeReso;
360            else if (name == "change_attack") return &m_fnChangeAttack;
361            else if (name == "change_decay") return &m_fnChangeDecay;
362            else if (name == "change_release") return &m_fnChangeRelease;
363            else if (name == "event_status") return &m_fnEventStatus;
364            else if (name == "wait") return &m_fnWait2; // override wait() core implementation
365            else if (name == "stop_wait") return &m_fnStopWait;
366    
367          // built-in script functions of derived VM class          // built-in script functions of derived VM class
368          return ScriptVM::functionByName(name);          return ScriptVM::functionByName(name);
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