From 1c8c92862a4c5c9e4a99f0773669e68a41f3efcc Mon Sep 17 00:00:00 2001
From: Nomango <nomango@qq.com>
Date: Sun, 26 Jul 2020 19:00:00 +0800
Subject: [PATCH] add Renderer::ResetResolutionWhenWindowResized

---
 src/kiwano/base/Director.cpp               |  6 -----
 src/kiwano/platform/Input.cpp              |  2 --
 src/kiwano/render/DirectX/RendererImpl.cpp | 10 --------
 src/kiwano/render/DirectX/RendererImpl.h   |  2 --
 src/kiwano/render/Renderer.cpp             | 29 ++++++++++++++++++++++
 src/kiwano/render/Renderer.h               | 21 +++++++---------
 6 files changed, 38 insertions(+), 32 deletions(-)

diff --git a/src/kiwano/base/Director.cpp b/src/kiwano/base/Director.cpp
index 5000886c..340076a6 100644
--- a/src/kiwano/base/Director.cpp
+++ b/src/kiwano/base/Director.cpp
@@ -150,8 +150,6 @@ void Director::OnUpdate(UpdateModuleContext& ctx)
 
     if (debug_actor_)
         debug_actor_->Update(ctx.dt);
-
-    ctx.Next();
 }
 
 void Director::OnRender(RenderModuleContext& ctx)
@@ -174,8 +172,6 @@ void Director::OnRender(RenderModuleContext& ctx)
     {
         debug_actor_->Render(ctx.render_ctx);
     }
-
-    ctx.Next();
 }
 
 void Director::HandleEvent(EventModuleContext& ctx)
@@ -188,8 +184,6 @@ void Director::HandleEvent(EventModuleContext& ctx)
 
     if (debug_actor_)
         debug_actor_->DispatchEvent(ctx.evt);
-
-    ctx.Next();
 }
 
 }  // namespace kiwano
diff --git a/src/kiwano/platform/Input.cpp b/src/kiwano/platform/Input.cpp
index d5451c0e..86b41258 100644
--- a/src/kiwano/platform/Input.cpp
+++ b/src/kiwano/platform/Input.cpp
@@ -161,8 +161,6 @@ void Input::HandleEvent(EventModuleContext& ctx)
             UpdateKey(dynamic_cast<KeyUpEvent*>(evt)->code, false);
         }
     }
-
-    ctx.Next();
 }
 
 }  // namespace kiwano
diff --git a/src/kiwano/render/DirectX/RendererImpl.cpp b/src/kiwano/render/DirectX/RendererImpl.cpp
index 72d3ca77..f652cd85 100644
--- a/src/kiwano/render/DirectX/RendererImpl.cpp
+++ b/src/kiwano/render/DirectX/RendererImpl.cpp
@@ -19,7 +19,6 @@
 // THE SOFTWARE.
 
 #include <kiwano/utils/Logger.h>
-#include <kiwano/event/WindowEvent.h>
 #include <kiwano/platform/FileSystem.h>
 #include <kiwano/platform/Application.h>
 #include <kiwano/render/ShapeMaker.h>
@@ -131,15 +130,6 @@ void RendererImpl::Destroy()
     ::CoUninitialize();
 }
 
-void RendererImpl::HandleEvent(EventModuleContext& ctx)
-{
-    if (ctx.evt->IsType<WindowResizedEvent>())
-    {
-        auto evt = ctx.evt->SafeCast<WindowResizedEvent>();
-        Resize(evt->width, evt->height);
-    }
-}
-
 void RendererImpl::Clear()
 {
     KGE_ASSERT(d3d_res_);
diff --git a/src/kiwano/render/DirectX/RendererImpl.h b/src/kiwano/render/DirectX/RendererImpl.h
index 23a9cd65..747168e9 100644
--- a/src/kiwano/render/DirectX/RendererImpl.h
+++ b/src/kiwano/render/DirectX/RendererImpl.h
@@ -81,8 +81,6 @@ public:
 
     void Destroy() override;
 
-    void HandleEvent(EventModuleContext& ctx) override;
-
 protected:
     RendererImpl();
 
diff --git a/src/kiwano/render/Renderer.cpp b/src/kiwano/render/Renderer.cpp
index 53904c2c..b041c68e 100644
--- a/src/kiwano/render/Renderer.cpp
+++ b/src/kiwano/render/Renderer.cpp
@@ -19,14 +19,43 @@
 // THE SOFTWARE.
 
 #include <kiwano/render/Renderer.h>
+#include <kiwano/event/WindowEvent.h>
 
 namespace kiwano
 {
 
 Renderer::Renderer()
     : vsync_(true)
+    , auto_reset_resolution_(false)
     , clear_color_(Color::Black)
 {
 }
 
+void Renderer::SetClearColor(const Color& color)
+{
+    clear_color_ = color;
+}
+
+void Renderer::SetVSyncEnabled(bool enabled)
+{
+    vsync_ = enabled;
+}
+
+void Renderer::ResetResolutionWhenWindowResized(bool enabled)
+{
+    auto_reset_resolution_ = enabled;
+}
+
+void Renderer::HandleEvent(EventModuleContext& ctx)
+{
+    if (auto_reset_resolution_)
+    {
+        if (ctx.evt->IsType<WindowResizedEvent>())
+        {
+            auto evt = ctx.evt->SafeCast<WindowResizedEvent>();
+            Resize(evt->width, evt->height);
+        }
+    }
+}
+
 }  // namespace kiwano
diff --git a/src/kiwano/render/Renderer.h b/src/kiwano/render/Renderer.h
index 48005faf..4b552405 100644
--- a/src/kiwano/render/Renderer.h
+++ b/src/kiwano/render/Renderer.h
@@ -69,11 +69,15 @@ public:
 
     /// \~chinese
     /// @brief 设置清屏颜色
-    virtual void SetClearColor(const Color& clear_color);
+    void SetClearColor(const Color& clear_color);
 
     /// \~chinese
     /// @brief 开启或关闭垂直同步
-    virtual void SetVSyncEnabled(bool enabled);
+    void SetVSyncEnabled(bool enabled);
+
+    /// \~chinese
+    /// @brief 窗口大小变化时自动调整分辨率
+    void ResetResolutionWhenWindowResized(bool enabled);
 
     /// \~chinese
     /// @brief 创建纹理内部资源
@@ -235,11 +239,14 @@ public:
     /// @brief 销毁渲染器资源
     virtual void Destroy() = 0;
 
+    void HandleEvent(EventModuleContext& ctx) override;
+
 protected:
     Renderer();
 
 protected:
     bool             vsync_;
+    bool             auto_reset_resolution_;
     Color            clear_color_;
     Size             output_size_;
     RenderContextPtr render_ctx_;
@@ -262,14 +269,4 @@ inline Color Renderer::GetClearColor() const
     return clear_color_;
 }
 
-inline void Renderer::SetVSyncEnabled(bool enabled)
-{
-    vsync_ = enabled;
-}
-
-inline void Renderer::SetClearColor(const Color& color)
-{
-    clear_color_ = color;
-}
-
 }  // namespace kiwano