From 636ae51408b6eaafa0f719c3b26192a69477b256 Mon Sep 17 00:00:00 2001
From: Ricardo Markiewicz <gazer.arg@gmail.com>
Date: Thu, 6 Nov 2003 19:59:54 +0000
Subject: [PATCH] Agrego el tanque. Tira unos warnings muy locos al compilar,
 tengo que esperar a llegar a casa para revisar el libro, ya que la herencia
 multiple puede causar algun problema. Vere luego si anda como esta.

---
 Model/include/tank.h | 35 +++++++++++++++++++++++
 Model/src/tank.cpp   | 68 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 103 insertions(+)
 create mode 100644 Model/include/tank.h
 create mode 100644 Model/src/tank.cpp

diff --git a/Model/include/tank.h b/Model/include/tank.h
new file mode 100644
index 0000000..d4173af
--- /dev/null
+++ b/Model/include/tank.h
@@ -0,0 +1,35 @@
+
+
+#ifndef _TANK_H_
+#define _TANK_H_
+
+#include "source.h"
+#include "drain.h"
+
+namespace PlaQui {
+	
+namespace Model {
+				
+class Tank:public Source, public Drain {
+public:
+	Tank(const std::string &_name);
+	virtual ~Tank();
+
+	virtual bool get_output();
+
+	virtual void recieve_msg(int msg, IConector *who, void *data);
+	virtual void update();
+	virtual void simulate();
+protected:
+	float litros;	
+	float actual_in_flow;
+	float actual_out_flow;
+private:
+	Tank():Drain("null"),Source("null"),Control("null") {}
+	Tank &operator = (const Tank &) { return *this; } 
+};
+
+}
+}
+
+#endif // _TANK_H_
diff --git a/Model/src/tank.cpp b/Model/src/tank.cpp
new file mode 100644
index 0000000..88cbbe6
--- /dev/null
+++ b/Model/src/tank.cpp
@@ -0,0 +1,68 @@
+
+#include "tank.h"
+#include <iostream>
+
+using namespace PlaQui::Model;
+
+Tank::Tank(const std::string &_name):Source(_name),Drain(_name),Control(_name)
+{
+	litros = 0.0f;
+}
+
+Tank::~Tank()
+{
+}
+
+bool Tank::get_output()
+{
+	return litros > 0;
+}
+
+void Tank::update()
+{
+	updated = true;
+}
+
+void Tank::simulate()
+{
+	if (!updated) return;
+
+	// le resto lo que entrego
+	litros -= actual_out_flow;
+	// le sumo lo que recibo
+	litros += actual_in_flow;
+
+	std::cout << name << "Capacidad: " << capacity;
+	std::cout << "  Litros : " << litros << std::endl;
+	updated = false;
+}
+
+void Tank::recieve_msg(int msg, IConector *who, void *data)
+{
+	int pos = OUT;
+
+	// Verifico si esta conectado a mi entrada
+	std::list<IConector *>::iterator i;
+	for(i=in_list.begin(); i!=in_list.end(); i++) {
+		if ((*i) == who) pos = IN;
+	}
+	
+	switch (msg) {
+		case MSG_QUERY_MAX_FLOW_OUT:
+			actual_in_flow = capacity - litros;
+			if (*((float *)data) < actual_in_flow)
+				actual_in_flow = *((float *)data);
+			actual_out_flow = litros;
+			send_msg(OUT, MSG_QUERY_MAX_FLOW_OUT, &actual_out_flow);
+
+			who->recieve_msg(MSG_RESPONSE_MAX_FLOW, this, &actual_in_flow);
+			updated = true;
+		break;
+		case MSG_RESPONSE_MAX_FLOW:
+			if (pos == OUT) {
+				if (*((float *)data) < actual_out_flow)
+					actual_out_flow = *((float *)data);
+			}
+	}
+}
+
-- 
2.43.0