46 |
ResetControllers(); |
ResetControllers(); |
47 |
PortamentoMode = false; |
PortamentoMode = false; |
48 |
PortamentoTime = CONFIG_PORTAMENTO_TIME_DEFAULT; |
PortamentoTime = CONFIG_PORTAMENTO_TIME_DEFAULT; |
49 |
|
pScriptEvents = NULL; |
50 |
} |
} |
51 |
|
|
52 |
AbstractEngineChannel::~AbstractEngineChannel() { |
AbstractEngineChannel::~AbstractEngineChannel() { |
53 |
|
unloadCurrentInstrumentScript(); |
54 |
|
if (pScriptEvents) delete pScriptEvents; |
55 |
delete pEventQueue; |
delete pEventQueue; |
56 |
DeleteGroupEventLists(); |
DeleteGroupEventLists(); |
57 |
RemoveAllFxSends(); |
RemoveAllFxSends(); |
145 |
} |
} |
146 |
|
|
147 |
/** |
/** |
148 |
|
* Loads the real-time instrument script given by @a text on this engine |
149 |
|
* channel. A resource manager is used to allocate and share equivalent |
150 |
|
* scripts on multiple engine channels. |
151 |
|
* |
152 |
|
* @param text - source code of script |
153 |
|
*/ |
154 |
|
void AbstractEngineChannel::loadInstrumentScript(const String& text) { |
155 |
|
dmsg(1,("Loading real-time instrument script ... ")); |
156 |
|
|
157 |
|
// hand back old script reference and VM execution contexts |
158 |
|
// (if not done already) |
159 |
|
unloadCurrentInstrumentScript(); |
160 |
|
|
161 |
|
// get new script reference |
162 |
|
script.parserContext = pEngine->scripts.Borrow(text, this); |
163 |
|
if (!script.parserContext->errors().empty()) { |
164 |
|
std::vector<ParserIssue> errors = script.parserContext->errors(); |
165 |
|
std::cerr << "[ScriptVM] Could not load instrument script, there were " |
166 |
|
<< errors.size() << " parser errors:\n"; |
167 |
|
for (int i = 0; i < errors.size(); ++i) |
168 |
|
errors[i].dump(); |
169 |
|
return; // stop here if there were any parser errors |
170 |
|
} |
171 |
|
|
172 |
|
script.handlerInit = script.parserContext->eventHandlerByName("init"); |
173 |
|
script.handlerNote = script.parserContext->eventHandlerByName("note"); |
174 |
|
script.handlerController = script.parserContext->eventHandlerByName("controller"); |
175 |
|
script.bHasValidScript = |
176 |
|
script.handlerInit || script.handlerNote || script.handlerController; |
177 |
|
|
178 |
|
// amount of script handlers each script event has to execute |
179 |
|
int handlerExecCount = 0; |
180 |
|
if (script.handlerInit) handlerExecCount++; |
181 |
|
if (script.handlerNote || script.handlerController) handlerExecCount++; |
182 |
|
|
183 |
|
// create script event pool (if it doesn't exist already) |
184 |
|
if (!pScriptEvents) |
185 |
|
pScriptEvents = new Pool<ScriptEvent>(CONFIG_MAX_EVENTS_PER_FRAGMENT); |
186 |
|
|
187 |
|
// create new VM execution contexts for new script |
188 |
|
while (!pScriptEvents->poolIsEmpty()) { |
189 |
|
RTList<ScriptEvent>::Iterator it = pScriptEvents->allocAppend(); |
190 |
|
it->execCtx = pEngine->pScriptVM->createExecContext( |
191 |
|
script.parserContext |
192 |
|
); |
193 |
|
it->handlers = new VMEventHandler*[handlerExecCount+1]; |
194 |
|
} |
195 |
|
pScriptEvents->clear(); |
196 |
|
|
197 |
|
dmsg(1,("Done\n")); |
198 |
|
} |
199 |
|
|
200 |
|
/** |
201 |
|
* Unloads the currently used real-time instrument script on this sampler |
202 |
|
* channel. A resource manager is used to share equivalent scripts among |
203 |
|
* multiple sampler channels, and to deallocate the parsed script once not |
204 |
|
* used on any engine channel anymore. |
205 |
|
*/ |
206 |
|
void AbstractEngineChannel::unloadCurrentInstrumentScript() { |
207 |
|
if (script.parserContext) |
208 |
|
dmsg(1,("Unloading current instrument script.")); |
209 |
|
|
210 |
|
// free allocated VM execution contexts |
211 |
|
if (pScriptEvents) { |
212 |
|
pScriptEvents->clear(); |
213 |
|
while (!pScriptEvents->poolIsEmpty()) { |
214 |
|
RTList<ScriptEvent>::Iterator it = pScriptEvents->allocAppend(); |
215 |
|
if (it->execCtx) { |
216 |
|
// free VM execution context object |
217 |
|
delete it->execCtx; |
218 |
|
it->execCtx = NULL; |
219 |
|
// free C array of handler pointers |
220 |
|
delete [] it->handlers; |
221 |
|
} |
222 |
|
} |
223 |
|
pScriptEvents->clear(); |
224 |
|
} |
225 |
|
// hand back VM representation of script |
226 |
|
if (script.parserContext) { |
227 |
|
pEngine->scripts.HandBack(script.parserContext, this); |
228 |
|
script.parserContext = NULL; |
229 |
|
script.handlerInit = NULL; |
230 |
|
script.handlerNote = NULL; |
231 |
|
script.handlerController = NULL; |
232 |
|
} |
233 |
|
script.bHasValidScript = false; |
234 |
|
} |
235 |
|
|
236 |
|
/** |
237 |
* Implementation of virtual method from abstract EngineChannel interface. |
* Implementation of virtual method from abstract EngineChannel interface. |
238 |
* This method will periodically be polled (e.g. by the LSCP server) to |
* This method will periodically be polled (e.g. by the LSCP server) to |
239 |
* check if some engine channel parameter has changed since the last |
* check if some engine channel parameter has changed since the last |