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/*
* Copyright 2009,2010,2011 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 "MessageWrap.h"
MessageObject *MessageWrap::newObject(PdMessage *initMessage, PdGraph *graph) {
return new MessageWrap(initMessage, graph);
}
// TODO(mhroth): This object is almost definitely NOT working correctly
MessageWrap::MessageWrap(PdMessage *initMessage, PdGraph *graph) : MessageObject(2, 1, graph) {
switch (initMessage->getNumElements()) {
case 0: {
lower = 0.0f;
upper = 1.0f;
break;
}
case 1: {
lower = 0.0f;
upper = initMessage->isFloat(0) ? initMessage->getFloat(0) : 1.0f;
break;
}
case 2: {
lower = initMessage->isFloat(0) ? initMessage->getFloat(0) : 0.0f;
upper = initMessage->isFloat(1) ? initMessage->getFloat(1) : 1.0f;
if (upper < lower) {
float temp = upper;
upper = lower;
lower = temp;
}
break;
}
default: {
break;
}
}
}
MessageWrap::~MessageWrap() {
// nothing to do
}
void MessageWrap::processMessage(int inletIndex, PdMessage *message) {
switch (inletIndex) {
case 0: {
if (message->isFloat(0)) {
value = message->getFloat(0);
range = upper - lower;
if (upper <= value) {
while (upper <= value) {
value = value - range;
}
} else if (value < lower) {
while (value < lower) {
value = value + range;
}
}
PdMessage *outgoingMessage = PD_MESSAGE_ON_STACK(1);
outgoingMessage->initWithTimestampAndFloat(message->getTimestamp(), value);
sendMessage(0, outgoingMessage);
}
break;
}
case 1: {
if (message->isFloat(0)) {
if (message->getNumElements() == 1) {
lower = message->getFloat(0);
upper = 0.0f;
} else if (message->getNumElements() == 2) {
lower = message->getFloat(0);
upper = message->getFloat(1);
}
if (upper < lower) {
float temp = upper;
upper = lower;
lower = temp;
}
}
break;
}
default: {
break;
}
}
}