Added the possibility to create new fonts.

Fonts cannot be created after a NewFrame call.

overlay_experimental/linux/OpenGLX_Hook.cpp

@@ -100,11 +100,11 @@ void OpenGLX_Hook::prepareForOverlay(Display* display, GLXDrawable drawable)
         context = glXCreateContext(display, visual_info, nullptr, True);
         this->display = display;
 
+        get_steam_client()->steam_overlay->CreateFonts();
+
         initialized = true;
     }
 
-    ImGuiIO& io = ImGui::GetIO();
-
     auto oldContext = glXGetCurrentContext();
 
     glXMakeCurrent(display, drawable, context);
@@ -114,9 +114,7 @@ void OpenGLX_Hook::prepareForOverlay(Display* display, GLXDrawable drawable)
 
     ImGui::NewFrame();
 
-    get_steam_client()->steam_overlay->OverlayProc(io.DisplaySize.x, io.DisplaySize.y);
+    get_steam_client()->steam_overlay->OverlayProc();
-
-    ImGui::EndFrame();
 
     ImGui::Render();
 

overlay_experimental/steam_overlay.cpp

@@ -86,7 +86,7 @@ void Steam_Overlay::SetupOverlay()
 
 void Steam_Overlay::HookReady()
 {
-    if (!is_ready) // If this is the first time we are ready, hook directinput and xinput, so we can intercept em and disable mouse.
+    if (!is_ready)
     {
         // TODO: Uncomment this and draw our own cursor (cosmetics)
         //ImGuiIO &io = ImGui::GetIO();
@@ -98,10 +98,6 @@ void Steam_Overlay::HookReady()
     }
 }
 
-// https://niemand.com.ar/2019/01/01/how-to-hook-directx-11-imgui/
-// https://github.com/spazzarama/Direct3DHook/blob/master/Capture/Hook
-// https://github.com/unknownv2/LinuxDetours
-
 void Steam_Overlay::OpenOverlayInvite(CSteamID lobbyId)
 {
     ShowOverlay(true);
@@ -172,7 +168,7 @@ void Steam_Overlay::ShowOverlay(bool state)
 
 void Steam_Overlay::NotifyUser(friend_window_state& friend_state, std::string const& message)
 {
-    if (!(friend_state.window_state & window_state_show))
+    if (!(friend_state.window_state & window_state_show) || !show_overlay)
     {
         friend_state.window_state |= window_state_need_attention;
 #ifdef __WINDOWS__
@@ -385,10 +381,16 @@ void Steam_Overlay::BuildFriendWindow(Friend const& frd, friend_window_state& st
     ImGui::End();
 }
 
+ImFont *font_default;
+ImFont *font_notif;
+
 void Steam_Overlay::BuildNotifications(int width, int height)
 {
     auto now = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch());
     int i = 0;
+
+    int font_size = ImGui::GetFontSize();
+
     for (auto it = notifications.begin(); it != notifications.end(); ++it, ++i)
     {
         auto elapsed_notif = now - it->start_time;
@@ -414,8 +416,8 @@ void Steam_Overlay::BuildNotifications(int width, int height)
             ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(255, 255, 255, Notification::max_alpha*2));
         }
         
-        ImGui::SetNextWindowPos(ImVec2((float)width - Notification::width, (float)Notification::height * i ));
+        ImGui::SetNextWindowPos(ImVec2((float)width - width * Notification::width, Notification::height * font_size * i ));
-        ImGui::SetNextWindowSize(ImVec2( Notification::width, Notification::height ));
+        ImGui::SetNextWindowSize(ImVec2( width * Notification::width, Notification::height * font_size ));
         ImGui::Begin(std::to_string(10000+i).c_str(), nullptr, ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoBringToFrontOnFocus | 
             ImGuiWindowFlags_NoFocusOnAppearing | ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoMouseInputs);
 
@@ -430,15 +432,38 @@ void Steam_Overlay::BuildNotifications(int width, int height)
     }), notifications.end());
 }
 
+void Steam_Overlay::CreateFonts()
+{
+    ImGuiIO& io = ImGui::GetIO();
+    ImFontConfig fontcfg;
+
+    fontcfg.OversampleH = fontcfg.OversampleV = 1;
+    fontcfg.PixelSnapH = true;
+    fontcfg.GlyphRanges = io.Fonts->GetGlyphRangesDefault();
+
+    fontcfg.SizePixels = std::round(io.DisplaySize.y / 68);
+    font_default = io.Fonts->AddFontDefault(&fontcfg);
+
+    fontcfg.SizePixels = std::round(io.DisplaySize.y / 60);
+    font_notif = io.Fonts->AddFontDefault(&fontcfg);
+
+    ImGuiStyle& style = ImGui::GetStyle();
+    style.WindowRounding = 0.0; // Disable round window
+}
+
 // Try to make this function as short as possible or it might affect game's fps.
-void Steam_Overlay::OverlayProc( int width, int height )
+void Steam_Overlay::OverlayProc()
 {
     std::lock_guard<std::recursive_mutex> lock(global_mutex);
 
     if (!Ready())
         return;
 
-    BuildNotifications(width, height);
+    ImGuiIO& io = ImGui::GetIO();
+
+    ImGui::PushFont(font_notif);
+    BuildNotifications(io.DisplaySize.x, io.DisplaySize.y);
+    ImGui::PopFont();
 
     if (show_overlay)
     {
@@ -446,12 +471,12 @@ void Steam_Overlay::OverlayProc( int width, int height )
 
         // Set the overlay windows to the size of the game window
         ImGui::SetNextWindowPos({ 0,0 });
-        ImGui::SetNextWindowSize({ static_cast<float>(width),
+        ImGui::SetNextWindowSize({ static_cast<float>(io.DisplaySize.x),
-                                   static_cast<float>(height) });
+                                   static_cast<float>(io.DisplaySize.y) });
 
         ImGui::SetNextWindowBgAlpha(0.50);
-        ImGuiStyle& style = ImGui::GetStyle();
+
-        style.WindowRounding = 0.0; // Disable round window
+        ImGui::PushFont(font_default);
 
         if (ImGui::Begin("SteamOverlay", nullptr, ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoBringToFrontOnFocus))
         {
@@ -487,6 +512,8 @@ void Steam_Overlay::OverlayProc( int width, int height )
             }
         }
         ImGui::End();
+
+        ImGui::PopFont();
     }// if(show_overlay)
 }
 
@@ -507,7 +534,7 @@ void Steam_Overlay::Callback(Common_Message *msg)
                 friend_info->second.window_state |= window_state_need_attention;
             }
 
-            AddNotification(friend_info->first.name() + " says: " + steam_message.message());
+            NotifyUser(friend_info->second, friend_info->first.name() + " says: " + steam_message.message());
         }
     }
 }

overlay_experimental/steam_overlay.h

@@ -41,8 +41,8 @@ struct Friend_Less
 
 struct Notification
 {
-    static constexpr float width = 200.0;
+    static constexpr float width = 0.25;
-    static constexpr float height = 60.0;
+    static constexpr float height = 4.0;
     static constexpr std::chrono::milliseconds fade_in   = std::chrono::milliseconds(2000);
     static constexpr std::chrono::milliseconds fade_out  = std::chrono::milliseconds(2000);
     static constexpr std::chrono::milliseconds show_time = std::chrono::milliseconds(6000) + fade_in + fade_out;
@@ -117,7 +117,8 @@ public:
 
     void HookReady();
 
-    void OverlayProc(int width, int height);
+    void CreateFonts();
+    void OverlayProc();
 
     void OpenOverlayInvite(CSteamID lobbyId);
     void OpenOverlay(const char* pchDialog);
@@ -139,7 +140,7 @@ public:
 class Steam_Overlay
 {
 public:
-    Steam_Overlay(Settings* settings, SteamCallResults* callback_results, SteamCallBacks* callbacks, RunEveryRunCB* run_every_runcb, Networking *network) {}
+    Steam_Overlay(Settings* settings, SteamCallResults* callback_results, SteamCallBacks* callbacks, RunEveryRunCB* run_every_runcb, Networking* network) {}
     ~Steam_Overlay() {}
 
     bool Ready() const { return false; }
@@ -151,13 +152,15 @@ public:
     void SetNotificationInset(int nHorizontalInset, int nVerticalInset) {}
     void SetupOverlay() {}
 
-    void HookReady(void* hWnd) {}
+    void HookReady() {}
 
-    void OverlayProc(int width, int height) {}
+    void CreateFonts() {}
+    void OverlayProc() {}
 
     void OpenOverlayInvite(CSteamID lobbyId) {}
     void OpenOverlay(const char* pchDialog) {}
 
+    bool ShowOverlay() const {}
     void ShowOverlay(bool state) {}
 
     void SetLobbyInvite(Friend friendId, uint64 lobbyId) {}

overlay_experimental/windows/DX10_Hook.cpp

@@ -75,6 +75,8 @@ void DX10_Hook::prepareForOverlay(IDXGISwapChain* pSwapChain)
 
         pDevice->Release();
 
+        get_steam_client()->steam_overlay->CreateFonts();
+
         initialized = true;
     }
 
@@ -83,9 +85,7 @@ void DX10_Hook::prepareForOverlay(IDXGISwapChain* pSwapChain)
 
     ImGui::NewFrame();
 
-    get_steam_client()->steam_overlay->OverlayProc(desc.BufferDesc.Width, desc.BufferDesc.Height);
+    get_steam_client()->steam_overlay->OverlayProc();
-
-    ImGui::EndFrame();
 
     ImGui::Render();
 

overlay_experimental/windows/DX11_Hook.cpp

@@ -87,6 +87,8 @@ void DX11_Hook::prepareForOverlay(IDXGISwapChain* pSwapChain)
 
         pDevice->Release();
 
+        get_steam_client()->steam_overlay->CreateFonts();
+
         initialized = true;
     }
 
@@ -95,9 +97,7 @@ void DX11_Hook::prepareForOverlay(IDXGISwapChain* pSwapChain)
 
     ImGui::NewFrame();
 
-    get_steam_client()->steam_overlay->OverlayProc(desc.BufferDesc.Width, desc.BufferDesc.Height);
+    get_steam_client()->steam_overlay->OverlayProc();
-
-    ImGui::EndFrame();
 
     ImGui::Render();
 

overlay_experimental/windows/DX12_Hook.cpp

@@ -87,6 +87,8 @@ void DX12_Hook::prepareForOverlay(IDXGISwapChain* pSwapChain)
     
         pDevice->Release();
 
+        get_steam_client()->steam_overlay->CreateFonts();
+
         initialized = true;
     }
 }
@@ -130,9 +132,7 @@ void STDMETHODCALLTYPE DX12_Hook::MyExecuteCommandLists(ID3D12CommandQueue *_thi
 
                 ImGui::NewFrame();
 
-                get_steam_client()->steam_overlay->OverlayProc(me->sc_desc.BufferDesc.Width, me->sc_desc.BufferDesc.Height);
+                get_steam_client()->steam_overlay->OverlayProc();
-
-                ImGui::EndFrame();
 
                 ((ID3D12GraphicsCommandList*)ppCommandLists[i])->SetDescriptorHeaps(1, &me->pSrvDescHeap);
                 ImGui::Render();

overlay_experimental/windows/DX9_Hook.cpp

@@ -55,12 +55,6 @@ void DX9_Hook::resetRenderState()
 // Try to make this function and overlay's proc as short as possible or it might affect game's fps.
 void DX9_Hook::prepareForOverlay(IDirect3DDevice9 *pDevice)
 {
-    IDirect3DSwapChain9* pSwapChain;
-    pDevice->GetSwapChain(0, &pSwapChain);
-    D3DPRESENT_PARAMETERS PresentParameters;
-    pSwapChain->GetPresentParameters(&PresentParameters);
-    pSwapChain->Release();
-
     D3DDEVICE_CREATION_PARAMETERS param;
     pDevice->GetCreationParameters(&param);
 
@@ -75,6 +69,9 @@ void DX9_Hook::prepareForOverlay(IDirect3DDevice9 *pDevice)
         io.IniFilename = NULL;
 
         ImGui_ImplDX9_Init(pDevice);
+
+        get_steam_client()->steam_overlay->CreateFonts();
+
         initialized = true;
     }
     
@@ -83,9 +80,7 @@ void DX9_Hook::prepareForOverlay(IDirect3DDevice9 *pDevice)
 
     ImGui::NewFrame();
 
-    get_steam_client()->steam_overlay->OverlayProc(PresentParameters.BackBufferWidth, PresentParameters.BackBufferHeight);
+    get_steam_client()->steam_overlay->OverlayProc();
-
-    ImGui::EndFrame();
 
     ImGui::Render();
 

overlay_experimental/windows/OpenGL_Hook.cpp

@@ -67,9 +67,6 @@ void OpenGL_Hook::resetRenderState()
 void OpenGL_Hook::prepareForOverlay(HDC hDC)
 {
     HWND hWnd = WindowFromDC(hDC);
-    RECT rect;
-
-    GetClientRect(hWnd, &rect);
 
     if (hWnd != Windows_Hook::Inst()->GetGameHwnd())
         resetRenderState();
@@ -82,6 +79,8 @@ void OpenGL_Hook::prepareForOverlay(HDC hDC)
 
         ImGui_ImplOpenGL3_Init();
 
+        get_steam_client()->steam_overlay->CreateFonts();
+
         initialized = true;
     }
     ImGui_ImplOpenGL3_NewFrame();
@@ -89,9 +88,7 @@ void OpenGL_Hook::prepareForOverlay(HDC hDC)
 
     ImGui::NewFrame();
 
-    get_steam_client()->steam_overlay->OverlayProc(rect.right, rect.bottom);
+    get_steam_client()->steam_overlay->OverlayProc();
-
-    ImGui::EndFrame();
 
     ImGui::Render();