Components can be removed

src/run_modes/editor/component_guis.cpp

@@ -22,7 +22,7 @@ namespace lunarium { namespace editor
     /////////////////////////////////////////////////////////////////////
     //				COMMON SECTIONS
     /////////////////////////////////////////////////////////////////////
-    static void DrawTitle(std::string title)
+    static bool DrawTitle(std::string title)
     {
         ImVec2 top_left(ImGui::GetWindowPos().x, ImGui::GetCursorScreenPos().y - ImGui::GetStyle().FramePadding.y);
         ImVec2 bot_right(top_left.x + ImGui::GetWindowSize().x, ImGui::GetCursorScreenPos().y + ImGui::GetFrameHeight());
@@ -30,11 +30,16 @@ namespace lunarium { namespace editor
         ImU32 color = ImGui::ColorConvertFloat4ToU32(ImVec4(0.3f, 0.3f, 0.3f, 1.0f));
         ImGui::GetWindowDrawList()->AddRectFilled(top_left, bot_right, color);
         ImGuiExt::TextCentered(title.c_str());
+        ImGui::SameLine();
+        std::string label = "X##";
+        label += title;
+        return ImGui::Button(label.c_str());
     }
 
-    void CompGui::RenderTagComp(TagComponent& comp)
+    bool CompGui::RenderTagComp(TagComponent& comp)
     {
-        DrawTitle("Tag Component");
+        bool remove = false;
+        remove = DrawTitle("Tag Component");
 
         ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(3.0f, ImGui::GetStyle().ItemSpacing.y));
         const int BUFFER_SIZE = 256;
@@ -46,14 +51,16 @@ namespace lunarium { namespace editor
         comp.Info = buffer;
         ImGui::PopStyleVar();
         
+        return remove;
     }
 
     /// This code taken from the Hazel engine
     /// https://github.com/TheCherno/Hazel/blob/master/Hazelnut/src/Panels/SceneHierarchyPanel.cpp
-    void CompGui::RenderTransformComp(TransformComponent& comp)
+    bool CompGui::RenderTransformComp(TransformComponent& comp)
     {        
+        bool remove = false;
         ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(ImGui::GetStyle().ItemSpacing.x, ImGui::GetStyle().ItemSpacing.y + 10.0f));
-        DrawTitle("Transform Component");
+        remove = DrawTitle("Transform Component");
         ImGui::PopStyleVar();
         
         ImGuiExt::Vec2Control("Translation", comp.Position, 0.0f, 85.0f);
@@ -62,23 +69,29 @@ namespace lunarium { namespace editor
         ImGuiExt::FloatControl("Rotation", rotation.z, 0.0f, 85.0f);
         comp.Rotation = glm::radians(rotation);
         ImGuiExt::Vec2Control("Scale", comp.Scale, 1.0f, 85.0f);
+
+        return remove;
     }
 
     
-    void CompGui::RenderVelocityComp(VelocityComponent& comp)
+    bool CompGui::RenderVelocityComp(VelocityComponent& comp)
     {
+        bool remove = false;
         ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(ImGui::GetStyle().ItemSpacing.x, ImGui::GetStyle().ItemSpacing.y + 10.0f));
-        DrawTitle("Velocity Component");
+        remove = DrawTitle("Velocity Component");
         ImGui::PopStyleVar();
 
         ImGuiExt::Vec2Control("Velocity", comp.Velocity, 0.0f, 85.0f);
+
+        return remove;
     }
 
     
-    void CompGui::RenderCameraComp(CameraComponent& comp)
+    bool CompGui::RenderCameraComp(CameraComponent& comp)
     {
+        bool remove = false;
         ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(ImGui::GetStyle().ItemSpacing.x, ImGui::GetStyle().ItemSpacing.y + 10.0f));
-        DrawTitle("Camera Component");
+        remove = DrawTitle("Camera Component");
         ImGui::PopStyleVar();
 
         glm::vec3 pos = comp.Camera.GetPosition();
@@ -92,13 +105,16 @@ namespace lunarium { namespace editor
         {
             comp.Camera.SetRotation(rot);
         }
+
+        return remove;
     }
 
     
-    void CompGui::RenderBlockOutComp(BlockOutComponent& comp)
+    bool CompGui::RenderBlockOutComp(BlockOutComponent& comp)
     {
+        bool remove = false;
         ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(ImGui::GetStyle().ItemSpacing.x, ImGui::GetStyle().ItemSpacing.y + 10.0f));
-        DrawTitle("Block Out Component");
+        remove = DrawTitle("Block Out Component");
         ImGui::PopStyleVar();
 
         ImGui::Text("Block Color: ");
@@ -115,5 +131,8 @@ namespace lunarium { namespace editor
         ImGui::Text("Render Layer: ");
         ImGui::SameLine();
         ImGui::InputInt("##Render Layer", &comp.RenderLayer, 1, 10);
+
+        
+        return remove;
     }
 }}

src/run_modes/editor/component_guis.h

@@ -16,11 +16,11 @@ namespace lunarium { namespace editor
     class CompGui
     {
     public:
-        static void RenderTagComp(TagComponent& comp);
-        static void RenderTransformComp(TransformComponent& comp);
-        static void RenderVelocityComp(VelocityComponent& comp);
-        static void RenderCameraComp(CameraComponent& comp);
-        static void RenderBlockOutComp(BlockOutComponent& comp);
+        static bool RenderTagComp(TagComponent& comp);
+        static bool RenderTransformComp(TransformComponent& comp);
+        static bool RenderVelocityComp(VelocityComponent& comp);
+        static bool RenderCameraComp(CameraComponent& comp);
+        static bool RenderBlockOutComp(BlockOutComponent& comp);
     };
 }}
 

src/run_modes/editor/panels/properties_view.cpp

@@ -38,7 +38,10 @@ if (ImGui::Selectable(str_name)){\
 if (mpSelectedEntity->HasComponent<type_name>()) \
         { \
             ImGui::PopStyleVar(); \
-            CompGui::func_name(mpSelectedEntity->GetComponent<type_name>()); \
+            if (CompGui::func_name(mpSelectedEntity->GetComponent<type_name>())) \
+            {\
+                mpSelectedEntity->RemoveComponent<type_name>();\
+            }\
             ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(0.0f, spacing_y)); \
             ImGui::Separator(); \
         }
@@ -172,7 +175,10 @@ namespace lunarium { namespace editor
         // TODO: iterate through components
         if (mpSelectedEntity->HasComponent<TagComponent>())
         {
-            CompGui::RenderTagComp(mpSelectedEntity->GetComponent<TagComponent>());
+            if (CompGui::RenderTagComp(mpSelectedEntity->GetComponent<TagComponent>()))
+            {
+                mpSelectedEntity->RemoveComponent<TagComponent>();
+            }
 
             ImGui::Separator();
         }
@@ -182,7 +188,6 @@ namespace lunarium { namespace editor
         DRAW_COMP_GUI(CameraComponent, RenderCameraComp)
         DRAW_COMP_GUI(BlockOutComponent, RenderBlockOutComp)
 
-
         // After all components rendered
         if (ImGuiExt::ButtonCentered("Add Component"))
         {