/[svn]/libgig/trunk/src/gig.cpp
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revision 2609 by schoenebeck, Sun Jun 8 19:00:30 2014 UTC revision 2667 by schoenebeck, Mon Jul 7 15:20:22 2014 UTC
# Line 3652  namespace { Line 3652  namespace {
3652          UpdateVelocityTable();          UpdateVelocityTable();
3653      }      }
3654    
3655        /** @brief Change type of an existing dimension.
3656         *
3657         * Alters the dimension type of a dimension already existing on this
3658         * region. If there is currently no dimension on this Region with type
3659         * @a oldType, then this call with throw an Exception. Likewise there are
3660         * cases where the requested dimension type cannot be performed. For example
3661         * if the new dimension type shall be gig::dimension_samplechannel, and the
3662         * current dimension has more than 2 zones. In such cases an Exception is
3663         * thrown as well.
3664         *
3665         * @param oldType - identifies the existing dimension to be changed
3666         * @param newType - to which dimension type it should be changed to
3667         * @throws gig::Exception if requested change cannot be performed
3668         */
3669        void Region::SetDimensionType(dimension_t oldType, dimension_t newType) {
3670            if (oldType == newType) return;
3671            dimension_def_t* def = GetDimensionDefinition(oldType);
3672            if (!def)
3673                throw gig::Exception("No dimension with provided old dimension type exists on this region");
3674            if (newType == dimension_samplechannel && def->zones != 2)
3675                throw gig::Exception("Cannot change to dimension type 'sample channel', because existing dimension does not have 2 zones");
3676            if (GetDimensionDefinition(newType))
3677                throw gig::Exception("There is already a dimension with requested new dimension type on this region");
3678            def->dimension  = newType;
3679            def->split_type = __resolveSplitType(newType);
3680        }
3681    
3682      DimensionRegion* Region::GetDimensionRegionByBit(const std::map<dimension_t,int>& DimCase) {      DimensionRegion* Region::GetDimensionRegionByBit(const std::map<dimension_t,int>& DimCase) {
3683          uint8_t bits[8] = {};          uint8_t bits[8] = {};
3684          for (std::map<dimension_t,int>::const_iterator it = DimCase.begin();          for (std::map<dimension_t,int>::const_iterator it = DimCase.begin();
# Line 4493  namespace { Line 4520  namespace {
4520          }          }
4521    
4522          // own gig format extensions          // own gig format extensions
4523         if (pScriptRefs) {         if (ScriptSlotCount()) {
4524               // make sure we have converted the original loaded script file
4525               // offsets into valid Script object pointers
4526               LoadScripts();
4527    
4528             RIFF::List* lst3LS = pCkInstrument->GetSubList(LIST_TYPE_3LS);             RIFF::List* lst3LS = pCkInstrument->GetSubList(LIST_TYPE_3LS);
4529             if (!lst3LS) lst3LS = pCkInstrument->AddSubList(LIST_TYPE_3LS);             if (!lst3LS) lst3LS = pCkInstrument->AddSubList(LIST_TYPE_3LS);
4530             const int slotCount = pScriptRefs->size();             const int slotCount = pScriptRefs->size();
# Line 4520  namespace { Line 4551  namespace {
4551                 store32(&pData[pos], (*pScriptRefs)[i].bypass ? 1 : 0);                 store32(&pData[pos], (*pScriptRefs)[i].bypass ? 1 : 0);
4552                 pos += sizeof(uint32_t);                 pos += sizeof(uint32_t);
4553             }             }
4554           } else {
4555               // no script slots, so get rid of any LS custom RIFF chunks (if any)
4556               RIFF::List* lst3LS = pCkInstrument->GetSubList(LIST_TYPE_3LS);
4557               if (lst3LS) pCkInstrument->DeleteSubChunk(lst3LS);
4558         }         }
4559      }      }
4560    
4561      void Instrument::UpdateScriptFileOffsets() {      void Instrument::UpdateScriptFileOffsets() {
4562         // own gig format extensions         // own gig format extensions
4563         if (pScriptRefs) {         if (pScriptRefs && pScriptRefs->size() > 0) {
4564             RIFF::List* lst3LS = pCkInstrument->GetSubList(LIST_TYPE_3LS);             RIFF::List* lst3LS = pCkInstrument->GetSubList(LIST_TYPE_3LS);
4565             RIFF::Chunk* ckSCSL = lst3LS->GetSubChunk(CHUNK_ID_SCSL);             RIFF::Chunk* ckSCSL = lst3LS->GetSubChunk(CHUNK_ID_SCSL);
4566             const int slotCount = pScriptRefs->size();             const int slotCount = pScriptRefs->size();
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