viseq/src/signal-manager.h

#pragma once

#include "connection-manager.h"
#include "datatypes.h"
#include "signal.h"
#include "node.h"
#include "midi.h"

#include <chrono>
#include <thread>

class SignalManager{

	public:
		SignalManager(AppState *app, ConnectionManager *cm, Midi *midi) : app(app), cm(cm), midi(midi) {}
		
		AppState *app;
		ConnectionManager *cm;
		Midi *midi;

		std::vector<Signal> signals;

		bool loop = true;

		void startSignalThread(){
			std::thread t1(&SignalManager::updateSignals, this);
			t1.detach();
		}

		void stopSignalThread(){
			loop = false;
		}

		void addSignalAtNode(Node *node){
			Color c = {(unsigned char)(232 - (rand() % 120)), (unsigned char)(125 + (int)(rand() % 120)), 62, 255};
			signals.emplace(signals.end(), Signal(node->position.x+1, node->position.y+1, 5.0f, app->speed, c)); // position + 1 or else it does not render. why? no idea!
			signals.back().next = node;
			signals.back().last = node;
		}

		void removeSignal(int n){
			signals.erase(signals.begin() + n);
		}

		void updateSignals(){
			auto last = std::chrono::steady_clock::now();
			while(loop){
				std::chrono::duration<double, std::milli> diff = std::chrono::steady_clock::now() - last;
				if(diff.count() > 10){
					for(auto& s : signals){
						s.direction = (s.next->position - s.position).norm();
						if(s.position.dist(&s.next->position) < s.speed * 1.5) {
							Node* n = cm->next(s.next, s.last);
							
							if(n != s.next && n != nullptr) {
								for(auto &m : s.next->midi_outs){
									if(m.second.enabled) midi->note(m.second.i, s.next->midi_channel, s.next->midi_note, s.next->midi_velocity, s.next->midi_gate);	
								}
								s.last = s.next;
								s.next = n;
							}
						}
					}
				last = std::chrono::steady_clock::now();
				}
			}
		}

		void drawSignals(Vec2D<float> *mouse_pos, Camera2D *camera){
			for(auto& s : signals){
				s.draw(mouse_pos, camera);
			}
		}

};