Slideshow db

src/mmr/include/database.h

@@ -4,27 +4,36 @@
 #include "pmp/MatVec.h"
 
 namespace mmr {
-struct Entry
-{
-public:
-    pmp::SurfaceMeshGL mesh;
-    std::string label;
-};
+    struct Entry
+    {
+    public:
+        pmp::SurfaceMeshGL mesh;
+        std::string label;
+    };
 
-class Database
-{
-public:
-    Database() = default;
-    Database(const std::string path);
-    void draw(const pmp::mat4& projection_matrix,
-              const pmp::mat4& modelview_matrix,
-              const std::string& draw_mode);
-    void retrieve(const std::string& path);
-    void clear();
+    class Database
+    {
+    public:
+        Database() = default;
+        Database(const std::string path);
+        void draw(const pmp::mat4& projection_matrix,
+                  const pmp::mat4& modelview_matrix,
+                  const std::string& draw_mode);
+        void drawModel(int index, const pmp::mat4& projection_matrix,
+                  const pmp::mat4& modelview_matrix,
+                  const std::string& draw_mode);
+        void retrieve(const std::string& path);
+        void clear();
 
-private:
-    static int avgVerts;
-    static int avgFaces;
-    std::vector<Entry> entries;
-};
+        int getDBSize() { return entries.size(); }
+
+    private:
+   
+        std::vector<Entry> entries;
+
+    public:
+
+        int avgVerts = 0;
+        int avgFaces = 0;
+    };
 } // namespace mmr

src/mmr/include/mmr_viewer.h

@@ -18,5 +18,6 @@ protected:
 
 private:
     bool m_retrieved_db = false;
+    int m_dbIndex = 0;
 };
 } // namespace mmr

src/mmr/src/database.cpp

@@ -4,8 +4,7 @@
 
 namespace mmr {
 
-int Database::avgFaces = 0;
-int Database::avgVerts = 0;
+
 Database::Database(const std::string path)
 {
     retrieve(path);
@@ -21,6 +20,15 @@ void Database::draw(const pmp::mat4& projection_matrix,
     }
 }
 
+void Database::drawModel(int index, const pmp::mat4& projection_matrix,
+                         const pmp::mat4& modelview_matrix,
+                         const std::string& draw_mode)
+{
+   
+    entries[index].mesh.draw(projection_matrix, modelview_matrix, draw_mode);
+    
+}
+
 void Database::retrieve(const std::string& path)
 {
     using std::filesystem::recursive_directory_iterator;

src/mmr/src/mmr_viewer.cpp

@@ -19,7 +19,7 @@ void MmrViewer::draw(const std::string& drawMode)
     MeshViewer::draw(drawMode);
 
     if (m_retrieved_db)
-        m_database.draw(projection_matrix_, modelview_matrix_, drawMode);
+        m_database.drawModel(m_dbIndex, projection_matrix_, modelview_matrix_, drawMode);
 }
 
 void MmrViewer::keyboard(int key, int scancode, int action, int mods)
@@ -68,6 +68,18 @@ void MmrViewer::process_imgui()
         m_database.retrieve(asset::getModel("LabeledDB_new"));
         m_retrieved_db = true;
     }
+    if (ImGui::Button("Next") && m_retrieved_db && (m_dbIndex < m_database.getDBSize() -1))
+    {
+        
+        m_dbIndex++;
+    }
+
+    if (ImGui::Button("Previous") && m_retrieved_db &&
+        (m_dbIndex > 0))
+    {
+        m_dbIndex--;
+    }
+
     if (ImGui::Button("Flip"))
     {
         Norma::lize(mesh_);