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/**
bespoke synth, a software modular synthesizer
Copyright (C) 2021 Ryan Challinor (contact: awwbees@gmail.com)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
**/
//
// LocationZoomer.cpp
// Bespoke
//
// Created by Ryan Challinor on 12/6/14.
//
//
#include "LocationZoomer.h"
#include "SynthGlobals.h"
#include "ModularSynth.h"
#include "UserPrefs.h"
#include "juce_core/juce_core.h"
LocationZoomer::LocationZoomer()
{
}
void LocationZoomer::Init()
{
mHome.mZoomLevel = UserPrefs.zoom.Get();
mHome.mOffset.set(0, 0);
mStart = mHome;
mDestination = mHome;
mCurrentProgress = 1;
gDrawScale = mHome.mZoomLevel;
}
void LocationZoomer::Update()
{
if (mCurrentProgress < 1)
{
mCurrentProgress = ofClamp(mCurrentProgress + ofGetLastFrameTime() * mSpeed, 0, 1);
float ease;
if (mInVanityPanningMode) //ease in/out
ease = mCurrentProgress < 0.5 ? 2 * mCurrentProgress * mCurrentProgress : 1 - pow(-2 * mCurrentProgress + 2, 2) / 2;
else //ease out
ease = -1 * mCurrentProgress * (mCurrentProgress - 2);
gDrawScale = ofLerp(mStart.mZoomLevel, mDestination.mZoomLevel, ease);
ofVec2f offset;
offset.x = ofLerp(mStart.mOffset.x, mDestination.mOffset.x, ease);
offset.y = ofLerp(mStart.mOffset.y, mDestination.mOffset.y, ease);
TheSynth->SetDrawOffset(offset);
if (mInVanityPanningMode && mCurrentProgress >= 1)
PickNewVanityPanningDestination();
}
}
void LocationZoomer::OnKeyPressed(char key)
{
if (key < CHAR_MAX && juce::CharacterFunctions::isDigit(key) && key != '0') // 0 is reserved
{
if (GetKeyModifiers() == kModifier_Command)
WriteCurrentLocation(key);
else if (GetKeyModifiers() == kModifier_Shift)
MoveToLocation(key);
}
}
void LocationZoomer::WriteCurrentLocation(char key)
{
mLocations[key].mZoomLevel = gDrawScale;
mLocations[key].mOffset = TheSynth->GetDrawOffset();
}
bool LocationZoomer::HasLocation(char key)
{
return mLocations.find(key) != mLocations.end();
}
void LocationZoomer::MoveToLocation(char key)
{
if (mLocations.count(key) > 0)
{
mStart.mZoomLevel = gDrawScale;
mStart.mOffset = TheSynth->GetDrawOffset();
mDestination = mLocations[key];
mCurrentProgress = 0;
mSpeed = 2;
}
}
void LocationZoomer::GoHome()
{
mStart.mZoomLevel = gDrawScale;
mStart.mOffset = TheSynth->GetDrawOffset();
mDestination = mHome;
mCurrentProgress = 0;
mSpeed = 2;
}
void LocationZoomer::EnterVanityPanningMode()
{
mInVanityPanningMode = true;
PickNewVanityPanningDestination();
}
void LocationZoomer::ExitVanityPanningMode()
{
mInVanityPanningMode = false;
mCurrentProgress = 1;
}
void LocationZoomer::PickNewVanityPanningDestination()
{
std::vector<IDrawableModule*> modules;
TheSynth->GetAllModules(modules);
ofVec2f allModulesCenter;
for (int i = 0; i < (int)modules.size(); ++i)
{
if (modules[i]->IsShowing() && !modules[i]->Minimized())
{
ofVec2f modulePos = modules[i]->GetRect().getCenter();
allModulesCenter += modulePos / (int)modules.size();
}
}
const int kRandomChoices = 3;
ofVec2f randomModulesCenter;
int attempts = 0;
for (int i = 0; i < kRandomChoices; ++i)
{
int choice = gRandom() % ((int)modules.size());
if (modules[choice]->IsShowing() && !modules[choice]->Minimized())
{
ofVec2f modulePos = modules[choice]->GetRect().getCenter();
randomModulesCenter += modulePos / kRandomChoices;
}
else
{
--i; //try again
}
++attempts;
if (attempts > 100) //avoid infinite loop if all modules are hidden/minimized
break;
}
ofVec2f center = allModulesCenter * .5f + randomModulesCenter * .5f;
float newScale = ofRandom(1, 1.5f) * UserPrefs.zoom.Get();
mStart.mZoomLevel = gDrawScale;
mStart.mOffset = TheSynth->GetDrawOffset();
mDestination.mZoomLevel = newScale;
mDestination.mOffset = (center * -1) + ofVec2f(ofGetWidth(), ofGetHeight()) / newScale * .5f;
mCurrentProgress = 0;
mSpeed = ofRandom(.03f, .1f);
}
ofxJSONElement LocationZoomer::GetSaveData()
{
ofxJSONElement save;
save.resize((unsigned int)mLocations.size());
int i = 0;
for (auto iter = mLocations.begin(); iter != mLocations.end(); ++iter)
{
const Location& loc = iter->second;
save[i]["shortcut"] = iter->first;
save[i]["zoomlevel"] = loc.mZoomLevel;
save[i]["offset_x"] = loc.mOffset.x;
save[i]["offset_y"] = loc.mOffset.y;
++i;
}
return save;
}
void LocationZoomer::LoadFromSaveData(const ofxJSONElement& saveData)
{
mLocations.clear();
for (int i = 0; i < saveData.size(); ++i)
{
try
{
int shortcut = saveData[i]["shortcut"].asInt();
mLocations[shortcut].mZoomLevel = saveData[i]["zoomlevel"].asDouble();
mLocations[shortcut].mOffset.set(saveData[i]["offset_x"].asDouble(),
saveData[i]["offset_y"].asDouble());
}
catch (Json::LogicError& e)
{
TheSynth->LogEvent(__PRETTY_FUNCTION__ + std::string(" json error: ") + e.what(), kLogEventType_Error);
}
}
MoveToLocation(-1);
mCurrentProgress = .999f;
}
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