1 files changed, 99 insertions, 15 deletions

diff --git a/Project/ControlElementSolver.cpp b/Project/ControlElementSolver.cpp
index 799ca57..d1c9b26 100644
--- a/Project/ControlElementSolver.cpp
+++ b/Project/ControlElementSolver.cpp
@@ -13,12 +13,15 @@
 #include "Sum.h"
 #include "TransferFunction.h"
 
-ControlElementSolver::ControlElementSolver(ControlEditor* controlEditor, double timeStep, bool startAllZero, double input)
+ControlElementSolver::ControlElementSolver(ControlEditor* controlEditor,
+                                           double timeStep,
+                                           bool startAllZero,
+                                           double input)
 {
     m_ctrlContainer = new ControlElementContainer();
     m_ctrlContainer->FillContainer(controlEditor);
-    
-    //Check if the sistem have one input and one output
+
+    // Check if the sistem have one input and one output
     bool fail = false;
     wxString failMessage = "";
     auto ioList = m_ctrlContainer->GetIOControlList();
@@ -33,8 +36,7 @@ ControlElementSolver::ControlElementSolver(ControlEditor* controlEditor, double
         if(io->GetType() == Node::NODE_OUT) {
             m_inputControl = io;
             haveInput = true;
-        }
-        else if(io->GetType()  == Node::NODE_IN) {
+        } else if(io->GetType() == Node::NODE_IN) {
             m_outputControl = io;
             haveOutput = true;
         }
@@ -47,28 +49,110 @@ ControlElementSolver::ControlElementSolver(ControlEditor* controlEditor, double
         fail = true;
         failMessage = _("There is no output in the control system.");
     }
-    
+
     if(fail) {
         wxMessageDialog msgDialog(controlEditor, failMessage, _("Error"), wxOK | wxCENTRE | wxICON_ERROR);
         msgDialog.ShowModal();
     }
-    
+
     m_timeStep = timeStep;
     if(!startAllZero) InitializeValues(input);
 }
 
-void ControlElementSolver::InitializeValues(double input)
-{
-    
-}
-
+void ControlElementSolver::InitializeValues(double input) {}
 void ControlElementSolver::SolveNextStep(double input)
 {
+    // Set all elements as not solved
+    auto elementList = m_ctrlContainer->GetControlElementsList();
+    for(auto it = elementList.begin(), itEnd = elementList.end(); it != itEnd; ++it) {
+        ControlElement* element = *it;
+        element->SetSolved(false);
+    }
     auto connectionLineList = m_ctrlContainer->GetConnectionLineList();
     for(auto it = connectionLineList.begin(), itEnd = connectionLineList.end(); it != itEnd; ++it) {
         ConnectionLine* cLine = *it;
         cLine->SetSolved(false);
     }
-    // Get first node (connected with input)
-    ConnectionLine
-}
\ No newline at end of file
+    
+    // Get first node and set input value on connected lines
+    ConnectionLine* firstConn = static_cast<ConnectionLine*>(m_inputControl->GetChildList()[0]);
+    m_inputControl->SetSolved();
+    firstConn->SetValue(input);
+    firstConn->SetSolved();
+    FillAllConnectedChildren(firstConn);
+
+    // Set value to the connected lines in constants
+    auto constantList = m_ctrlContainer->GetConstantList();
+    for(auto it = constantList.begin(), itEnd = constantList.end(); it != itEnd; ++it) {
+        Constant* constant = *it;
+        constant->SetSolved();
+        ConnectionLine* child = static_cast<ConnectionLine*>(constant->GetChildList()[0]);
+        child->SetValue(constant->GetValue());
+        child->SetSolved();
+        FillAllConnectedChildren(child);
+    }
+    
+    ConnectionLine* currentLine = firstConn;
+    while(currentLine) {
+        wxMessageBox(wxString::Format("%d", currentLine->GetID()));
+        currentLine = SolveNextElement(currentLine);
+    }
+}
+
+void ControlElementSolver::FillAllConnectedChildren(ConnectionLine* parent)
+{
+    auto childList = parent->GetLineChildList();
+    for(auto it = childList.begin(), itEnd = childList.end(); it != itEnd; ++it) {
+        ConnectionLine* child = *it;
+        child->SetValue(parent->GetValue());
+        child->SetSolved();
+        FillAllConnectedChildren(child);
+    }
+}
+
+ConnectionLine* ControlElementSolver::SolveNextElement(ConnectionLine* currentLine)
+{
+    auto parentList = currentLine->GetParentList();
+    for(auto it = parentList.begin(), itEnd = parentList.end(); it != itEnd; ++it) {
+        ControlElement* element = static_cast<ControlElement*>(*it);
+        // Solve the unsolved parent.
+        if(!element->IsSolved()) {
+            if(!element->Solve(currentLine->GetValue())) return NULL;
+            element->SetSolved();
+            
+            // Get the output node (must have one or will result NULL).
+            Node* outNode = NULL;
+            auto nodeList = element->GetNodeList();
+            for(auto itN = nodeList.begin(), itNEnd = nodeList.end(); itN != itNEnd; ++itN) {
+                Node* node = *itN;
+                if(node->GetNodeType() == Node::NODE_OUT)
+                    outNode = node;
+            }
+            if(!outNode) return NULL;
+            
+            // Set connection line value associated with the output node.
+            auto childList = element->GetChildList();
+            for(auto itC = childList.begin(), itCEnd = childList.end(); itC != itCEnd; ++itC) {
+                ConnectionLine* cLine = static_cast<ConnectionLine*>(*itC);
+                if(!cLine->IsSolved()) { // Only check unsolved lines
+                    // Check if the connection line have the output node on the list
+                    auto lineNodeList = cLine->GetNodeList();
+                    for(auto itCN = nodeList.begin(), itCNEnd = nodeList.end(); itCN != itCNEnd; ++itCN) {
+                        Node* childNode = *itCN;
+                        if(childNode == outNode) {
+                            // Check if the line connect two elements, otherwise return NULL
+                            if(cLine->GetType() != ConnectionLine::ELEMENT_ELEMENT) return NULL;
+                            
+                            // Set the connection line value and return it.
+                            cLine->SetValue(element->GetOutput());
+                            cLine->SetSolved();
+                            FillAllConnectedChildren(cLine);
+                            return cLine;
+                        }
+                    }
+                }
+            }
+        }
+    }
+    return NULL;
+}