Start adding grid

src/visual_elements/GridNode.cpp

@@ -0,0 +1,123 @@
+#include "GridNode.h"
+
+#include "MeshPrimitives.h"
+
+GridNode::GridNode(const DiscretePoint& location)
+ : MaterialNode(location)
+{
+
+}
+
+void GridNode::setNumX(unsigned numX)
+{
+    if (mNumberX != numX)
+    {
+        mNumberX = numX;
+        mDataDirty = true;
+    }
+}
+
+void GridNode::setNumY(unsigned numY)
+{
+    if (mNumberY != numY)
+    {
+        mNumberY = numY;
+        mDataDirty = true;
+    }
+}
+
+void GridNode::setWidth(unsigned width)
+{
+    if (mWidth != width)
+    {
+        mTransformIsDirty = true;
+        mWidth = width;
+    }
+}
+
+void GridNode::setHeight(unsigned height)
+{
+    if (mHeight != height)
+    {
+        mTransformIsDirty = true;
+        mHeight = height;
+    }
+}
+
+void GridNode::setData(const std::vector<Color>& colors)
+{
+    if (mData != colors)
+    {
+        mData = colors;
+        mDataDirty = true;
+    }
+}
+
+SceneItem* GridNode::getSceneItem(std::size_t idx) const
+{
+    if (idx == 0)
+    {
+        return mBackgroundModel.get();
+    }
+    else
+    {
+        return mOutlineModel.get();
+    }
+}
+
+unsigned GridNode::getNumSceneItems() const
+{
+    return 1;
+}
+
+void GridNode::update(FontsManager* fontsManager)
+{
+    if (!mBackgroundModel || mDataDirty)
+    {
+        auto mesh = MeshPrimitives::buildExplodedGrid(mNumberX, mNumberY);
+
+        if (mHeight > mWidth)
+        {
+            mesh->scale(mWidth, mWidth);
+        }
+        else
+        {
+            mesh->scale(mHeight, mHeight);
+        }
+
+
+        if (!mBackgroundModel)
+        {
+            std::cout << "Setting up background model for grid node " << std::endl;
+            mBackgroundModel = std::make_unique<SceneModel>(std::move(mesh));
+            mBackgroundModel->setName(mName + "_Model");
+            mBackgroundModel->updateUniformColor({200, 200, 200, 1.0});
+        }
+        else
+        {
+            mBackgroundModel.get()->updateMesh(std::move(mesh));
+            mBackgroundModel->updateUniformColor({200, 200, 200, 1.0});
+        }
+    }
+
+    /*
+    if (!mOutlineModel || mDataDirty)
+    {
+        const auto rect = Rectangle(Point(), 1, 1);
+        auto mesh = MeshPrimitives::build(rect);
+
+        if (!mOutlineModel)
+        {
+            mOutlineModel = std::make_unique<SceneModel>(std::move(mesh));
+            mOutlineModel->setName(mName + "_Model");
+        }
+        else
+        {
+            mOutlineModel.get()->updateMesh(std::move(mesh));
+        }
+    }
+    */
+
+    mDataDirty = false;
+}
+