Improved editor pause logic. Editor now pauses when it's enabled and makes sure UI is up to date with the current state.

include/Engine/Editor/EditorGUI.h

@@ -98,6 +98,7 @@ private:
     std::set<std::string> m_ModalsToOpen;
     std::map<std::string, boost::any> m_ModalData;
     std::string m_DroppedFile = "";
+    bool m_Paused = false;
 
     // Callbacks
     OnEntitySelectedCallback_t m_OnEntitySelected = nullptr;
@@ -116,6 +117,10 @@ private:
     bool OnKeyDown(const Events::KeyDown& e);
     EventRelay<EditorGUI, Events::FileDropped> m_EFileDropped;
     bool OnFileDropped(const Events::FileDropped& e);
+    EventRelay<EditorGUI, Events::Pause> m_EPause;
+    bool OnPause(const Events::Pause& e);
+    EventRelay<EditorGUI, Events::Resume> m_EResume;
+    bool OnResume(const Events::Resume& e);
 
     // Utility functions
     boost::filesystem::path fileOpenDialog();

src/Engine/Editor/EditorGUI.cpp

@@ -7,6 +7,8 @@ EditorGUI::EditorGUI(World* world, EventBroker* eventBroker)
 {
     EVENT_SUBSCRIBE_MEMBER(m_EKeyDown, &EditorGUI::OnKeyDown);
     EVENT_SUBSCRIBE_MEMBER(m_EFileDropped, &EditorGUI::OnFileDropped);
+    EVENT_SUBSCRIBE_MEMBER(m_EPause, &EditorGUI::OnPause);
+    EVENT_SUBSCRIBE_MEMBER(m_EResume, &EditorGUI::OnResume);
 }
 
 void EditorGUI::Draw()
@@ -58,19 +60,17 @@ void EditorGUI::drawTools()
     // Play button
     ImGui::SameLine();
     static bool paused = false;
-    if (ImGui::ImageButton((void*)tryLoadTexture("Textures/Icons/Play.png"), ImVec2(24, 24), ImVec2(0, 1), ImVec2(1, 0), -1, ImVec4(0, 0, 0, 0), (!paused) ? ImVec4(0, 1, 0, 1) : ImVec4(1, 1, 1, 1))) {
+    if (ImGui::ImageButton((void*)tryLoadTexture("Textures/Icons/Play.png"), ImVec2(24, 24), ImVec2(0, 1), ImVec2(1, 0), -1, ImVec4(0, 0, 0, 0), (!m_Paused) ? ImVec4(0, 1, 0, 1) : ImVec4(1, 1, 1, 1))) {
         Events::Resume e;
         e.World = m_World;
         m_EventBroker->Publish(e);
-        paused = false;
     }
     // Pause button
     ImGui::SameLine();
-    if (ImGui::ImageButton((void*)tryLoadTexture("Textures/Icons/Pause.png"), ImVec2(24, 24), ImVec2(0, 1), ImVec2(1, 0), -1, ImVec4(0, 0, 0, 0), (paused) ? ImVec4(0, 1, 0, 1) : ImVec4(1, 1, 1, 1))) {
+    if (ImGui::ImageButton((void*)tryLoadTexture("Textures/Icons/Pause.png"), ImVec2(24, 24), ImVec2(0, 1), ImVec2(1, 0), -1, ImVec4(0, 0, 0, 0), (m_Paused) ? ImVec4(0, 1, 0, 1) : ImVec4(1, 1, 1, 1))) {
         Events::Pause e;
         e.World = m_World;
         m_EventBroker->Publish(e);
-        paused = true;
     }
 
     ImGui::End();
@@ -596,6 +596,22 @@ bool EditorGUI::OnFileDropped(const Events::FileDropped& e)
     return true;
 }
 
+bool EditorGUI::OnPause(const Events::Pause& e)
+{
+    if (e.World == m_World) {
+        m_Paused = true;
+    }
+    return true;
+}
+
+bool EditorGUI::OnResume(const Events::Resume& e)
+{
+    if (e.World == m_World) {
+        m_Paused = false;
+    }
+    return true;
+}
+
 boost::filesystem::path EditorGUI::fileOpenDialog()
 {
     namespace bfs = boost::filesystem;

src/Engine/Editor/EditorSystem.cpp

@@ -93,6 +93,11 @@ void EditorSystem::Enable()
         (glm::vec3&)m_EditorCamera["Transform"]["Position"] = Transform::AbsolutePosition(m_ActualCamera);
     }
 
+    // Pause the world we're editing
+    Events::Pause ePause;
+    ePause.World = m_World;
+    m_EventBroker->Publish(ePause);
+
     m_Enabled = true;
 }