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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"
message::Object *MessageWrap::new_object(pd::Message *init_message, PdGraph *graph) {
return new MessageWrap(init_message, graph);
}
// TODO(mhroth): This object is almost definitely NOT working correctly
MessageWrap::MessageWrap(pd::Message *init_message, PdGraph *graph) : message::Object(2, 1, graph) {
switch (init_message->get_num_elements()) {
case 0: {
lower = 0.0f;
upper = 1.0f;
break;
}
case 1: {
lower = 0.0f;
upper = init_message->is_float(0) ? init_message->get_float(0) : 1.0f;
break;
}
case 2: {
lower = init_message->is_float(0) ? init_message->get_float(0) : 0.0f;
upper = init_message->is_float(1) ? init_message->get_float(1) : 1.0f;
if (upper < lower) {
float temp = upper;
upper = lower;
lower = temp;
}
break;
}
default: {
break;
}
}
}
MessageWrap::~MessageWrap() {
// nothing to do
}
void MessageWrap::process_message(int inlet_index, pd::Message *message) {
switch (inlet_index) {
case 0: {
if (message->is_float(0)) {
value = message->get_float(0);
range = upper - lower;
if (upper <= value) {
while (upper <= value) {
value = value - range;
}
} else if (value < lower) {
while (value < lower) {
value = value + range;
}
}
pd::Message *outgoing_message = PD_MESSAGE_ON_STACK(1);
outgoing_message->from_timestamp_and_float(message->get_timestamp(), value);
send_message(0, outgoing_message);
}
break;
}
case 1: {
if (message->is_float(0)) {
if (message->get_num_elements() == 1) {
lower = message->get_float(0);
upper = 0.0f;
} else if (message->get_num_elements() == 2) {
lower = message->get_float(0);
upper = message->get_float(1);
}
if (upper < lower) {
float temp = upper;
upper = lower;
lower = temp;
}
}
break;
}
default: {
break;
}
}
}