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/*
* Copyright 2010,2011 Reality Jockey, Ltd.
* info@rjdj.me
* http://rjdj.me/
*
* This file is part of ZenGarden.
*
* ZenGarden is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* ZenGarden is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with ZenGarden. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "MessageTableRead.h"
#include "PdGraph.h"
MessageObject *MessageTableRead::newObject(PdMessage *initMessage, PdGraph *graph) {
return new MessageTableRead(initMessage, graph);
}
MessageTableRead::MessageTableRead(PdMessage *initMessage, PdGraph *graph) : MessageObject(1, 1, graph) {
name = initMessage->isSymbol(0) ? StaticUtils::copyString(initMessage->getSymbol(0)) : NULL;
table = NULL; // registration process will set the correct pointer
}
MessageTableRead::~MessageTableRead() {
free(name);
}
char *MessageTableRead::getName() {
return name;
}
void MessageTableRead::setTable(MessageTable *aTable) {
table = aTable;
}
void MessageTableRead::processMessage(int inletIndex, PdMessage *message) {
switch (message->getType(0)) {
case FLOAT: {
if (table != NULL) {
int bufferLength = 0;
float *buffer = table->getBuffer(&bufferLength);
int index = (int) message->getFloat(0);
if (index >= 0 && index < bufferLength) {
PdMessage *outgoingMessage = PD_MESSAGE_ON_STACK(1);
outgoingMessage->initWithTimestampAndFloat(message->getTimestamp(), buffer[index]);
sendMessage(0, outgoingMessage);
}
}
break;
}
case SYMBOL: {
if (message->isSymbol(0, "set") && message->isSymbol(1)) {
free(name);
name = StaticUtils::copyString(message->getSymbol(1));
table = graph->getTable(name);
}
break;
}
default: {
break;
}
}
}
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