*

LifeGraphics/shaders/IShaderGraphNodePort.cpp

@@ -0,0 +1,58 @@
+#include "shaders/IShaderGraphNodePort.h"
+#include <assert.h>
+
+namespace LifeGraphics
+{
+	IShaderGraphNodePort::IShaderGraphNodePort(IShaderGraphNode* parent)
+		:Parent(parent)
+	{
+		assert(parent != nullptr && "Shader graph node port parent is nullptr!");
+	}
+
+    IShaderGraphNodePort* IShaderGraphNodePort::GetLink(size_t id)
+    {
+        return links[id];
+    }
+    size_t IShaderGraphNodePort::GetLinkCount()
+    {
+        return links.size();
+    }
+    void IShaderGraphNodePort::MakeLink(IShaderGraphNodePort* input, IShaderGraphNodePort* output)
+    {
+       // assert(target != nullptr && "Failed on add link on IShaderGraphNodePort");
+        if(!input->IsLinkExists(output))
+            input->links.push_back(output);
+
+        if(!output->IsLinkExists(input))
+            output->links.push_back(input);
+    }
+    bool IShaderGraphNodePort::IsLinkExists(IShaderGraphNodePort* target)
+    {
+        for(LinkCollectonItr it = links.begin(); it != links.end(); ++it)
+        {
+            if(*it == target)
+                return true;
+        }
+        return false;
+    }
+    void IShaderGraphNodePort::BreakLink()
+    {
+        //remove self from remote ports
+        for(LinkCollectonItr it = links.begin(); it != links.end(); ++it) {
+            (*it)->RemoveLink(this);
+        }
+        //clear list of remote ports
+        links.clear();
+    }
+    void IShaderGraphNodePort::RemoveLink(IShaderGraphNodePort* target)
+    {
+        for(LinkCollectonItr it = links.begin(); it != links.end(); ++it)
+        {
+            IShaderGraphNodePort* lnk = *it;
+            if(lnk == target){
+                links.erase(it);
+                return;
+            }
+        }
+    }
+}