/[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 2630 by schoenebeck, Fri Jun 13 15:01:06 2014 UTC
# Line 11  Line 11 
11  #include "../AbstractEngineChannel.h"  #include "../AbstractEngineChannel.h"
12  #include "../../common/global_private.h"  #include "../../common/global_private.h"
13  #include "AbstractInstrumentManager.h"  #include "AbstractInstrumentManager.h"
14    #include "MidiKeyboardManager.h"
15    
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            this->pEngineChannel = pEngineChannel;
64            for (int i = 0; i < INSTR_SCRIPT_EVENT_GROUPS; ++i)
65                eventGroups[i].setScript(this);
66        }
67    
68      /** @brief Load real-time instrument script.      /** @brief Load real-time instrument script.
69       *       *
70       * 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 87  namespace LinuxSampler { Line 135  namespace LinuxSampler {
135       * to deallocate the parsed script once not used on any engine channel       * to deallocate the parsed script once not used on any engine channel
136       * anymore.       * anymore.
137       *       *
138       * Calling thid method will however not clear the @c code member variable.       * Calling this method will however not clear the @c code member variable.
139       * Thus, the script can be parsed again afterwards.       * Thus, the script can be parsed again afterwards.
140       */       */
141      void InstrumentScript::unload() {      void InstrumentScript::unload() {
142            //dmsg(1,("InstrumentScript::unload(this=0x%llx)\n", this));
143    
144          if (parserContext)          if (parserContext)
145              dmsg(1,("Unloading current instrument script.\n"));              dmsg(1,("Unloading current instrument script.\n"));
146    
# Line 138  namespace LinuxSampler { Line 188  namespace LinuxSampler {
188    
189      InstrumentScriptVM::InstrumentScriptVM() :      InstrumentScriptVM::InstrumentScriptVM() :
190          m_event(NULL), m_fnPlayNote(this), m_fnSetController(this),          m_event(NULL), m_fnPlayNote(this), m_fnSetController(this),
191          m_fnIgnoreEvent(this), m_fnIgnoreController(this)          m_fnIgnoreEvent(this), m_fnIgnoreController(this), m_fnNoteOff(this),
192            m_fnSetEventMark(this), m_fnDeleteEventMark(this), m_fnByMarks(this)
193      {      {
194          m_CC.size = _MEMBER_SIZEOF(AbstractEngineChannel, ControllerTable);          m_CC.size = _MEMBER_SIZEOF(AbstractEngineChannel, ControllerTable);
195          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);
196          m_EVENT_ID = DECLARE_VMINT(m_event, class ScriptEvent, id);          m_EVENT_ID = DECLARE_VMINT(m_event, class ScriptEvent, id);
197          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);
198          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);
199            m_KEY_DOWN.size = 128;
200      }      }
201    
202      VMExecStatus_t InstrumentScriptVM::exec(VMParserContext* parserCtx, ScriptEvent* event) {      VMExecStatus_t InstrumentScriptVM::exec(VMParserContext* parserCtx, ScriptEvent* event) {
# Line 154  namespace LinuxSampler { Line 206  namespace LinuxSampler {
206          // prepare built-in script variables for script execution          // prepare built-in script variables for script execution
207          m_event = event;          m_event = event;
208          m_CC.data = (int8_t*) &pEngineChannel->ControllerTable[0];          m_CC.data = (int8_t*) &pEngineChannel->ControllerTable[0];
209            m_KEY_DOWN.data = &pEngineChannel->GetMidiKeyboardManager()->KeyDown[0];
210    
211          // if script is in start condition, then do mandatory MIDI event          // if script is in start condition, then do mandatory MIDI event
212          // preprocessing tasks, which essentially means updating i.e. controller          // preprocessing tasks, which essentially means updating i.e. controller
# Line 209  namespace LinuxSampler { Line 262  namespace LinuxSampler {
262    
263          // now add own built-in variables          // now add own built-in variables
264          m["%CC"] = &m_CC;          m["%CC"] = &m_CC;
265          //m["%KEY_DOWN"] = &m_KEY_DOWN;          m["%KEY_DOWN"] = &m_KEY_DOWN;
266          //m["%POLY_AT"] = &m_POLY_AT;          //m["%POLY_AT"] = &m_POLY_AT;
267    
268          return m;          return m;
# Line 221  namespace LinuxSampler { Line 274  namespace LinuxSampler {
274    
275          m["$VCC_MONO_AT"] = CTRL_TABLE_IDX_AFTERTOUCH;          m["$VCC_MONO_AT"] = CTRL_TABLE_IDX_AFTERTOUCH;
276          m["$VCC_PITCH_BEND"] = CTRL_TABLE_IDX_PITCHBEND;          m["$VCC_PITCH_BEND"] = CTRL_TABLE_IDX_PITCHBEND;
277            for (int i = 0; i < INSTR_SCRIPT_EVENT_GROUPS; ++i) {
278                m["$MARK_" + ToString(i+1)] = i;
279            }
280    
281          return m;          return m;
282      }      }
# Line 231  namespace LinuxSampler { Line 287  namespace LinuxSampler {
287          else if (name == "set_controller") return &m_fnSetController;          else if (name == "set_controller") return &m_fnSetController;
288          else if (name == "ignore_event") return &m_fnIgnoreEvent;          else if (name == "ignore_event") return &m_fnIgnoreEvent;
289          else if (name == "ignore_controller") return &m_fnIgnoreController;          else if (name == "ignore_controller") return &m_fnIgnoreController;
290            else if (name == "note_off") return &m_fnNoteOff;
291            else if (name == "set_event_mark") return &m_fnSetEventMark;
292            else if (name == "delete_event_mark") return &m_fnDeleteEventMark;
293            else if (name == "by_marks") return &m_fnByMarks;
294    
295          // built-in script functions of derived VM class          // built-in script functions of derived VM class
296          return ScriptVM::functionByName(name);          return ScriptVM::functionByName(name);
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