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/* |
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* Copyright (c) 2014 Christian Schoenebeck |
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* |
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* http://www.linuxsampler.org |
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* |
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* This file is part of LinuxSampler and released under the same terms. |
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* See README file for details. |
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*/ |
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#include "InstrumentScriptVMFunctions.h" |
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#include "InstrumentScriptVM.h" |
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#include "EngineChannel.h" |
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namespace LinuxSampler { namespace gig { |
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///////////////////////////////////////////////////////////////////////// |
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// Function: |
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// gig_set_dim_zone(event_id, dimension, zone) |
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InstrumentScriptVMFunction_gig_set_dim_zone::InstrumentScriptVMFunction_gig_set_dim_zone(InstrumentScriptVM* parent) |
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: m_vm(parent) |
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{ |
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} |
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VMFnResult* InstrumentScriptVMFunction_gig_set_dim_zone::exec(VMFnArgs* args) { |
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int id = args->arg(0)->asInt()->evalInt(); |
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int dim = args->arg(1)->asInt()->evalInt(); |
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int zone = args->arg(2)->asInt()->evalInt(); |
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if (id < 0) { |
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wrnMsg("gig_set_dim_zone(): argument 1 may not be a negative event ID"); |
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return successResult(); |
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} |
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EngineChannel* pEngineChannel = |
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static_cast<EngineChannel*>(m_vm->m_event->cause.pEngineChannel); |
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RTList<Event>::Iterator itEvent = pEngineChannel->pEngine->EventByID(id); |
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if (!itEvent) { |
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dmsg(2,("gig_set_dim_zone(): no active event with ID %d\n", id)); |
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return successResult(); |
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} |
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int note = itEvent->Param.Note.Key; |
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::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(note); |
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if (!pRegion) { |
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dmsg(2,("gig_set_dim_zone(): no region for key %d\n", note)); |
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return successResult(); |
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} |
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int idx = -1, baseBits = 0; |
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for (int i = 0; i < pRegion->Dimensions; ++i) { |
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if (pRegion->pDimensionDefinitions[i].dimension == dim) { |
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idx = i; |
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break; |
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} |
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baseBits += pRegion->pDimensionDefinitions[i].bits; |
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} |
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if (idx < 0) { |
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dmsg(2,("gig_set_dim_zone(): no such gig dimension %d\n", dim)); |
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return successResult(); // no such dimension found |
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} |
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int bits = pRegion->pDimensionDefinitions[idx].bits; |
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int mask = 0; |
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for (int i = 0; i < bits; ++i) mask |= (1 << (baseBits + i)); |
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itEvent->Format.Gig.DimMask |= mask; |
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itEvent->Format.Gig.DimBits |= (zone << baseBits) & mask; |
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dmsg(3,("gig_set_dim_zone(): success, mask=%d bits=%d\n", itEvent->Format.Gig.DimMask, itEvent->Format.Gig.DimBits)); |
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return successResult(); |
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} |
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}} // namespace LinuxSampler::gig |