Fix window resize in wayland

dependencies/SDL

@@ -1 +1 @@
-Subproject commit 2f4a7bbcedaaf49c8bf87e34081120a6a49a0d26
+Subproject commit 859844eae358447be8d66e6da59b6fb3df0ed778

dependencies/VulkanMemoryAllocator

@@ -1 +1 @@
-Subproject commit c351692490513cdb0e5a2c925aaf7ea4a9b672f4
+Subproject commit a6bfc237255a6bac1513f7c1ebde6d8aed6b5191

include/gfx_device.h

@@ -23,7 +23,7 @@ class GFXDevice {
     void ShutdownImguiBackend();
     void CmdRenderImguiDrawData(gfx::DrawBuffer* draw_buffer, ImDrawData* draw_data);
 
-    gfx::DrawBuffer* BeginRender();
+    gfx::DrawBuffer* BeginRender(bool window_resized);
 
     /* - draw_buffer MUST be a valid pointer returned by BeginRender().
        - draw_buffer is invalid after this function has been called. */

include/renderer.h

@@ -35,10 +35,8 @@ class Renderer : private ApplicationComponent {
 
     ~Renderer();
 
-    void PreRender(bool window_is_resized, glm::mat4 camera_transform);
-
     // staticList can be nullptr to render nothing
-    void Render(const RenderList* static_list, const RenderList* dynamic_list, const std::vector<Line>& debug_lines);
+    void Render(bool window_is_resized, glm::mat4 camera_transform, const RenderList* static_list, const RenderList* dynamic_list, const std::vector<Line>& debug_lines);
 
     // getters
 

src/application.cpp

@@ -413,8 +413,7 @@ void Application::GameLoop()
             static_list = mesh_render_system->GetStaticRenderList();
             dynamic_list = mesh_render_system->GetDynamicRenderList();
         }
-        renderer_->PreRender(window()->GetWindowResized(), camera_transform);
+        renderer_->Render(window()->GetWindowResized(), camera_transform, static_list, dynamic_list, debug_lines);
-        renderer_->Render(static_list, dynamic_list, debug_lines);
         debug_lines.clear(); // gets remade every frame :0
 
         /* poll events */

src/gfx_device_vulkan.cpp

@@ -621,7 +621,7 @@ void GFXDevice::CmdRenderImguiDrawData(gfx::DrawBuffer* draw_buffer, ImDrawData*
     ImGui_ImplVulkan_RenderDrawData(draw_data, draw_buffer->frameData.drawBuf);
 }
 
-gfx::DrawBuffer* GFXDevice::BeginRender()
+gfx::DrawBuffer* GFXDevice::BeginRender(bool window_resized)
 {
     VkResult res;
 
@@ -703,6 +703,12 @@ gfx::DrawBuffer* GFXDevice::BeginRender()
 
     uint32_t swapchainImageIndex;
 
+    if (window_resized && pimpl->FRAMECOUNT != 0) { // resize flag is true on first frame
+        pimpl->swapchainIsOutOfDate = true;
+        LOG_TRACE("Window resized, framecount == {}", pimpl->FRAMECOUNT);
+    }
+
+    // THIS FUNCTION BLOCKS UNTIL AN IMAGE IS AVAILABLE (it waits for vsync)
     do {
         if (pimpl->swapchainIsOutOfDate) {
             // re-create swapchain
@@ -714,7 +720,8 @@ gfx::DrawBuffer* GFXDevice::BeginRender()
         res = vkAcquireNextImageKHR(pimpl->device.device, pimpl->swapchain.swapchain, 1000000000LL, frameData.presentSemaphore, VK_NULL_HANDLE,
                                     &swapchainImageIndex);
         if (res != VK_SUBOPTIMAL_KHR && res != VK_ERROR_OUT_OF_DATE_KHR) VKCHECK(res);
-        if (res == VK_SUCCESS) pimpl->swapchainIsOutOfDate = false;
+        if (res == VK_ERROR_OUT_OF_DATE_KHR) pimpl->swapchainIsOutOfDate = true;
+        if (res == VK_SUCCESS || res == VK_SUBOPTIMAL_KHR) pimpl->swapchainIsOutOfDate = false;
     } while (pimpl->swapchainIsOutOfDate);
 
     /* record command buffer */
@@ -970,8 +977,8 @@ void GFXDevice::FinishRender(gfx::DrawBuffer* drawBuffer)
                                  .pImageIndices = &swapchainImageIndex,
                                  .pResults = nullptr};
     res = vkQueuePresentKHR(pimpl->device.queues.presentQueue, &presentInfo);
-    if (res == VK_SUBOPTIMAL_KHR || res == VK_ERROR_OUT_OF_DATE_KHR) {
+    if (res == VK_ERROR_OUT_OF_DATE_KHR) {
-        // flag to re-create the swapchain before next render
+        // flag to re-create the swapchain next frame
         pimpl->swapchainIsOutOfDate = true;
     }
     else if (res != VK_SUCCESS)
@@ -1351,9 +1358,9 @@ gfx::Pipeline* GFXDevice::CreatePipeline(const gfx::PipelineInfo& info)
     if (info.depth_attachment_only) {
         // use depth bias if only rendering to a depth attachment
         rasterizer.depthBiasEnable = VK_TRUE;
-        rasterizer.depthBiasConstantFactor = 2.0f;//1.25f;
+        rasterizer.depthBiasConstantFactor = 2.0f; // 1.25f;
         rasterizer.depthBiasClamp = 0.0f;
-        rasterizer.depthBiasSlopeFactor = 3.5f;//1.75f;
+        rasterizer.depthBiasSlopeFactor = 3.5f; // 1.75f;
     }
     else {
         rasterizer.depthBiasEnable = VK_FALSE;

src/renderer.cpp

@@ -249,8 +249,9 @@ Renderer::~Renderer()
     device_->DestroyDescriptorSetLayout(global_uniform.layout);
 }
 
-void Renderer::PreRender(bool window_is_resized, glm::mat4 camera_transform)
+void Renderer::Render(bool window_is_resized, glm::mat4 camera_transform, const RenderList* static_list, const RenderList* dynamic_list, const std::vector<Line>& debug_lines)
 {
+
     if (window_is_resized) {
         uint32_t w, h;
         device_->GetViewportSize(&w, &h);
@@ -265,10 +266,6 @@ void Renderer::PreRender(bool window_is_resized, glm::mat4 camera_transform)
     const glm::mat4 view_matrix = glm::inverse(camera_transform);
     frame_uniform.uniform_buffer_data.data = view_matrix;
     device_->WriteUniformBuffer(frame_uniform.uniform_buffer, 0, sizeof(frame_uniform.uniform_buffer_data), &frame_uniform.uniform_buffer_data);
-}
-
-void Renderer::Render(const RenderList* static_list, const RenderList* dynamic_list, const std::vector<Line>& debug_lines)
-{
 
     if (rendering_started == false) {
         // render to shadow map
@@ -292,7 +289,7 @@ void Renderer::Render(const RenderList* static_list, const RenderList* dynamic_l
 
     last_bound_pipeline_ = nullptr;
 
-    gfx::DrawBuffer* draw_buffer = device_->BeginRender();
+    gfx::DrawBuffer* draw_buffer = device_->BeginRender(window_is_resized);
 
     if (static_list) {
         if (!static_list->empty()) {

src/util/gltf_loader.cpp

@@ -271,7 +271,8 @@ engine::Entity LoadGLTF(Scene& scene, const std::string& path, bool isStatic)
         }
 
         // occlusion roughness metallic
-        materials.back()->SetOcclusionRoughnessMetallicTexture(scene.app()->GetResource<Texture>("builtin.white")); // default ao = 1.0, rough = 1.0, metal = 1.0
+        materials.back()->SetOcclusionRoughnessMetallicTexture(
+            scene.app()->GetResource<Texture>("builtin.white")); // default ao = 1.0, rough = 1.0, metal = 1.0
         if (material.pbrMetallicRoughness.metallicRoughnessTexture.index != -1) {
             if (material.pbrMetallicRoughness.metallicRoughnessTexture.texCoord == 0) {
                 LOG_DEBUG("Setting occlusion roughness metallic texture!");
@@ -283,7 +284,8 @@ engine::Entity LoadGLTF(Scene& scene, const std::string& path, bool isStatic)
         }
         else {
             LOG_DEBUG("Creating occlusion roughness metallic texture...");
-            const std::vector<double> mr_values{1.0f /* no AO */, material.pbrMetallicRoughness.roughnessFactor, material.pbrMetallicRoughness.metallicFactor, 1.0f};
+            const std::vector<double> mr_values{1.0f /* no AO */, material.pbrMetallicRoughness.roughnessFactor, material.pbrMetallicRoughness.metallicFactor,
+                                                1.0f};
             Color mr(mr_values);
             if (metal_rough_textures.contains(mr) == false) {
                 const uint8_t pixel[4] = {mr.r, mr.g, mr.b, mr.a};
@@ -302,7 +304,8 @@ engine::Entity LoadGLTF(Scene& scene, const std::string& path, bool isStatic)
         if (material.occlusionTexture.index != -1) {
             if (material.occlusionTexture.texCoord == 0) {
                 if (material.occlusionTexture.index != material.pbrMetallicRoughness.metallicRoughnessTexture.index) {
-                    throw std::runtime_error(std::string("Material ") + material.name + std::string(" has an ambient occlusion texture different to the metal-rough texture."));
+                    throw std::runtime_error(std::string("Material ") + material.name +
+                                             std::string(" has an ambient occlusion texture different to the metal-rough texture."));
                 }
             }
             else {
@@ -518,8 +521,8 @@ engine::Entity LoadGLTF(Scene& scene, const std::string& path, bool isStatic)
                     assert(num_unq_vertices >= 0);
 
                     // get new vertices into the vector
-                    vertices.resize(num_unq_vertices);
+                    vertices.resize(static_cast<size_t>(num_unq_vertices));
-                    for (size_t i = 0; i < num_unq_vertices; ++i) {
+                    for (size_t i = 0; i < static_cast<size_t>(num_unq_vertices); ++i) {
                         vertices[i] = vertex_data_out[i];
                     }
 
@@ -578,6 +581,7 @@ engine::Entity LoadGLTF(Scene& scene, const std::string& path, bool isStatic)
 
     // glTF uses the Y-up convention so the parent object must be rotated to Z-up
     const Entity parent = scene.CreateEntity(name, 0, glm::vec3{}, glm::quat{glm::one_over_root_two<float>(), glm::one_over_root_two<float>(), 0.0f, 0.0f});
+    scene.GetTransform(parent)->is_static = isStatic;
 
     std::vector<Entity> entities(model.nodes.size(), 0);
     std::function<void(Entity, const tg::Node&)> generateEntities = [&](Entity parent_entity, const tg::Node& node) -> void {

src/vulkan/gpu_allocator.cpp

@@ -1,5 +1,7 @@
 #include <assert.h>
 
+#include <cstdio> // snprintf for vma
+
 #include <volk.h>
 
 #define VMA_STATIC_VULKAN_FUNCTIONS 0

src/vulkan/swapchain.cpp

@@ -19,8 +19,6 @@ namespace engine {
 		sc->device = info.device;
 		sc->allocator = info.allocator;
 
-		LOG_DEBUG("Recreating swapchain!\n");
-
 		// get surface caps and features
 		VkResult res;
 		res = vkGetPhysicalDeviceSurfaceCapabilitiesKHR(info.physicalDevice, info.surface, &sc->surfaceCapabilities);
@@ -249,6 +247,8 @@ namespace engine {
 
 		}
 
+		LOG_INFO("Recreating swapchain! w: {} h: {}\n", sc->extent.width, sc->extent.height);
+
 	}
 
 	void destroySwapchain(const Swapchain& sc)

src/window.cpp

@@ -5,13 +5,14 @@
 
 #include <imgui/imgui_impl_sdl2.h>
 
+#include "log.h"
+
 static const uint64_t BILLION = 1000000000;
 
 namespace engine {
 
-	Window::Window(const std::string& title, bool resizable, bool fullscreen)
+Window::Window(const std::string& title, bool resizable, bool fullscreen) : title_(title), resizable_(resizable), fullscreen_(fullscreen)
-		: title_(title), resizable_(resizable), fullscreen_(fullscreen)
+{
-	{
 
     // init SDL
     if (SDL_Init(SDL_INIT_VIDEO) != 0) {
@@ -38,11 +39,7 @@ namespace engine {
     }
 
     // create the window
-		handle_ = SDL_CreateWindow(
+    handle_ = SDL_CreateWindow(title_.c_str(), SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, static_cast<int>(win_size_.x), static_cast<int>(win_size_.y),
-			title_.c_str(),
-			SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
-			static_cast<int>(win_size_.x),
-			static_cast<int>(win_size_.y),
                                windowFlags);
     if (handle_ == NULL) {
         SDL_Quit();
@@ -58,28 +55,27 @@ namespace engine {
     SDL_GetWindowSize(handle_, &winWidth, &winHeight);
 
     OnResize(winWidth, winHeight);
+}
 
-	}
+Window::~Window()
-
+{
-	Window::~Window()
-	{
     SDL_DestroyWindow(handle_);
     SDL_Quit();
-	}
+}
 
-	// private methods
+// private methods
 
-	void Window::OnResize(Sint32 width, Sint32 height)
+void Window::OnResize(Sint32 width, Sint32 height)
-	{
+{
     // get window size
     win_size_.x = static_cast<int>(width);
     win_size_.y = static_cast<int>(height);
 
     just_resized_ = true;
-	}
+}
 
-	void Window::ResetInputDeltas()
+void Window::ResetInputDeltas()
-	{
+{
     just_resized_ = false;
 
     keyboard_.deltas.fill(ButtonDelta::kSame);
@@ -89,15 +85,15 @@ namespace engine {
     mouse_.dy = 0;
     mouse_.xscroll = 0.0f;
     mouse_.yscroll = 0.0f;
-	}
+}
 
-	// TODO event methods (like callbacks)
+// TODO event methods (like callbacks)
-
-	void Window::OnWindowEvent(SDL_WindowEvent& e)
-	{
 
+void Window::OnWindowEvent(SDL_WindowEvent& e)
+{
     switch (e.event) {
         case SDL_WINDOWEVENT_SIZE_CHANGED:
+            LOG_TRACE("SDL size changed event!");
             OnResize(e.data1, e.data2);
             break;
         case SDL_WINDOWEVENT_FOCUS_GAINED:
@@ -107,10 +103,10 @@ namespace engine {
             keyboard_focus_ = false;
             break;
     }
-	}
+}
 
-	void Window::OnKeyEvent(SDL_KeyboardEvent& e)
+void Window::OnKeyEvent(SDL_KeyboardEvent& e)
-	{
+{
     const ImGuiIO& io = ImGui::GetIO();
     if (io.WantCaptureKeyboard) {
         keyboard_.deltas.fill(ButtonDelta::kSame);
@@ -123,10 +119,10 @@ namespace engine {
             keyboard_.deltas[e.keysym.scancode] = keyIsDown ? ButtonDelta::kPressed : ButtonDelta::kReleased;
         }
     }
-	}
+}
 
-	void Window::OnMouseButtonEvent(SDL_MouseButtonEvent& e)
+void Window::OnMouseButtonEvent(SDL_MouseButtonEvent& e)
-	{
+{
     const ImGuiIO& io = ImGui::GetIO();
     if (io.WantCaptureMouse) {
         mouse_.deltas.fill(ButtonDelta::kSame);
@@ -161,10 +157,10 @@ namespace engine {
             }
         }
     }
-	}
+}
 
-	void Window::OnMouseMotionEvent(SDL_MouseMotionEvent& e)
+void Window::OnMouseMotionEvent(SDL_MouseMotionEvent& e)
-	{
+{
     const ImGuiIO& io = ImGui::GetIO();
     if (io.WantCaptureMouse) {
         mouse_.dx = 0;
@@ -176,10 +172,10 @@ namespace engine {
         mouse_.dx = e.xrel;
         mouse_.dy = e.yrel;
     }
-	}
+}
 
-	void Window::OnMouseWheelEvent(SDL_MouseWheelEvent& e)
+void Window::OnMouseWheelEvent(SDL_MouseWheelEvent& e)
-	{
+{
     const ImGuiIO& io = ImGui::GetIO();
     if (!io.WantCaptureMouse) {
         if (e.direction == SDL_MOUSEWHEEL_NORMAL) {
@@ -191,22 +187,16 @@ namespace engine {
             mouse_.yscroll = -e.preciseY;
         }
     }
-	}
+}
 
-	// public methods
+// public methods
 
-	SDL_Window* Window::GetHandle() const
+SDL_Window* Window::GetHandle() const { return handle_; }
-	{
-		return handle_;
-	}
 
-	std::string Window::GetTitle() const
+std::string Window::GetTitle() const { return title_; }
-	{
-		return title_;
-	}
 
-	void Window::GetInputAndEvents()
+void Window::GetInputAndEvents()
-	{
+{
 
     frames_++;
     uint64_t currentFrameStamp = GetNanos();
@@ -246,60 +236,34 @@ namespace engine {
             case SDL_MOUSEWHEEL:
                 OnMouseWheelEvent(e.wheel);
                 break;
-
         }
     }
+}
 
-	}
+void Window::SetTitle(std::string title) { SDL_SetWindowTitle(handle_, title.c_str()); }
 
-	void Window::SetTitle(std::string title)
+bool Window::GetWindowResized() const { return just_resized_; }
-	{
-		SDL_SetWindowTitle(handle_, title.c_str());
-	}
 
-	bool Window::GetWindowResized() const
+void Window::SetResizedFlag() { just_resized_ = true; }
-	{
-		return just_resized_;
-	}
 
-	void Window::SetResizedFlag()
+void Window::Show() { SDL_ShowWindow(handle_); }
-	{
-		just_resized_ = true;
-	}
 
-	void Window::Show()
+void Window::Hide() { SDL_HideWindow(handle_); }
-	{
-		SDL_ShowWindow(handle_);
-	}
 
-	void Window::Hide()
+void Window::Focus()
-	{
+{
-		SDL_HideWindow(handle_);
-	}
-
-	void Window::Focus()
-	{
     SDL_RaiseWindow(handle_);
     keyboard_focus_ = true;
-	}
+}
 
-	bool Window::HasFocus() const
+bool Window::HasFocus() const { return keyboard_focus_; }
-	{
-		return keyboard_focus_;
-	}
 
-	void Window::SetCloseFlag()
+void Window::SetCloseFlag() { should_close_ = true; }
-	{
-		should_close_ = true;
-	}
 
-	bool Window::IsRunning() const
+bool Window::IsRunning() const { return !should_close_; }
-	{
-		return !should_close_;
-	}
 
-	void Window::SetFullscreen(bool fullscreen, bool exclusive)
+void Window::SetFullscreen(bool fullscreen, bool exclusive)
-	{
+{
 
     if (resizable_) {
 
@@ -307,31 +271,20 @@ namespace engine {
         SDL_GetDesktopDisplayMode(SDL_GetWindowDisplayIndex(handle_), &mode);
         SDL_SetWindowDisplayMode(handle_, &mode);
 
+        // this will only resize the window at the end of the frame
         if (SDL_SetWindowFullscreen(handle_, fullscreen ? (exclusive ? SDL_WINDOW_FULLSCREEN : SDL_WINDOW_FULLSCREEN_DESKTOP) : 0) != 0) {
             throw std::runtime_error("Unable to set window to fullscreen/windowed");
         }
         fullscreen_ = fullscreen;
-			if (fullscreen) {
+    }
+}
 
-				int width, height;
+void Window::ToggleFullscreen() { SetFullscreen(!fullscreen_, true); }
-				SDL_GetWindowSize(handle_, &width, &height);
-				OnResize(width, height);
-			}
-		}
-	}
 
-	void Window::ToggleFullscreen()
+bool Window::IsFullscreen() const { return fullscreen_; }
-	{
-		SetFullscreen(!fullscreen_, true);
-	}
 
-	bool Window::IsFullscreen() const
+bool Window::SetRelativeMouseMode(bool enabled)
-	{
+{
-		return fullscreen_;
-	}
-
-	bool Window::SetRelativeMouseMode(bool enabled)
-	{
     mouse_.captured = enabled;
     int code = SDL_SetRelativeMouseMode(static_cast<SDL_bool>(enabled));
     if (code != 0) {
@@ -340,92 +293,47 @@ namespace engine {
     else {
         return true;
     }
-	}
+}
 
-	bool Window::MouseCaptured()
+bool Window::MouseCaptured() { return mouse_.captured; }
-	{
-		return mouse_.captured;
-	}
 
-	// getting input
+// getting input
 
-	bool Window::GetKey(inputs::Key key) const
+bool Window::GetKey(inputs::Key key) const { return keyboard_.keys[static_cast<int>(key)]; }
-	{
-		return keyboard_.keys[static_cast<int>(key)];
-	}
 
-	bool Window::GetKeyPress(inputs::Key key) const
+bool Window::GetKeyPress(inputs::Key key) const { return keyboard_.deltas[static_cast<int>(key)] == ButtonDelta::kPressed; }
-	{
-		return keyboard_.deltas[static_cast<int>(key)] == ButtonDelta::kPressed;
-	}
 
-	bool Window::GetKeyRelease(inputs::Key key) const
+bool Window::GetKeyRelease(inputs::Key key) const { return keyboard_.deltas[static_cast<int>(key)] == ButtonDelta::kReleased; }
-	{
-		return keyboard_.deltas[static_cast<int>(key)] == ButtonDelta::kReleased;
-	}
 
-	// TODO mouse input
+// TODO mouse input
 
-	bool Window::GetButton(inputs::MouseButton button) const
+bool Window::GetButton(inputs::MouseButton button) const { return mouse_.buttons[static_cast<int>(button)]; }
-	{
-		return mouse_.buttons[static_cast<int>(button)];
-	}
 
-	bool Window::GetButtonPress(inputs::MouseButton button) const
+bool Window::GetButtonPress(inputs::MouseButton button) const { return mouse_.deltas[static_cast<int>(button)] == ButtonDelta::kPressed; }
-	{
-		return mouse_.deltas[static_cast<int>(button)] == ButtonDelta::kPressed;
-	}
 
-	bool Window::GetButtonRelease(inputs::MouseButton button) const
+bool Window::GetButtonRelease(inputs::MouseButton button) const { return mouse_.deltas[static_cast<int>(button)] == ButtonDelta::kReleased; }
-	{
-		return mouse_.deltas[static_cast<int>(button)] == ButtonDelta::kReleased;
-	}
 
-	int Window::GetMouseX() const
+int Window::GetMouseX() const { return static_cast<int>(mouse_.x); }
-	{
-		return static_cast<int>(mouse_.x);
-	}
 
-	int Window::GetMouseY() const
+int Window::GetMouseY() const { return static_cast<int>(mouse_.y); }
-	{
-		return static_cast<int>(mouse_.y);
-	}
 
-	float Window::GetMouseNormX() const
+float Window::GetMouseNormX() const { return ((float)mouse_.x * 2.0f / (float)win_size_.x) - 1.0f; }
-	{
-		return ((float)mouse_.x * 2.0f / (float)win_size_.x) - 1.0f;
-	}
 
-	float Window::GetMouseNormY() const
+float Window::GetMouseNormY() const { return ((float)mouse_.y * -2.0f / (float)win_size_.y) + 1.0f; }
-	{
-		return ((float)mouse_.y * -2.0f / (float)win_size_.y) + 1.0f;
-	}
 
-	int Window::GetMouseDX() const
+int Window::GetMouseDX() const { return static_cast<int>(mouse_.dx); }
-	{
-		return static_cast<int>(mouse_.dx);
-	}
 
-	int Window::GetMouseDY() const
+int Window::GetMouseDY() const { return static_cast<int>(mouse_.dy); }
-	{
-		return static_cast<int>(mouse_.dy);
-	}
 
-	float Window::GetMouseScrollX() const
+float Window::GetMouseScrollX() const { return mouse_.xscroll; }
-	{
-		return mouse_.xscroll;
-	}
 
-	float Window::GetMouseScrollY() const
+float Window::GetMouseScrollY() const { return mouse_.yscroll; }
-	{
-		return mouse_.yscroll;
-	}
 
-	// TODO game pad
+// TODO game pad
 
-	// get timer value
+// get timer value
-	uint64_t Window::GetNanos() const
+uint64_t Window::GetNanos() const
-	{
+{
     uint64_t count;
 
     count = SDL_GetPerformanceCounter();
@@ -435,49 +343,37 @@ namespace engine {
     else {
         return count * (BILLION / counter_freq_);
     }
-	}
+}
 
-	uint64_t Window::GetLastFrameStamp() const
+uint64_t Window::GetLastFrameStamp() const { return last_frame_stamp_; }
-	{
-		return last_frame_stamp_;
-	}
 
-	uint64_t Window::GetFrameCount() const
+uint64_t Window::GetFrameCount() const { return frames_; }
-	{
-		return frames_;
-	}
 
-	uint64_t Window::GetStartTime() const
+uint64_t Window::GetStartTime() const { return start_time_; }
-	{
-		return start_time_;
-	}
 
-	float Window::dt() const
+float Window::dt() const { return (float)last_frame_time_ / (float)BILLION; }
-	{
-		return (float)last_frame_time_ / (float)BILLION;
-	}
 
-	uint64_t Window::GetFPS() const
+uint64_t Window::GetFPS() const
-	{
+{
     if (last_frame_time_ == 0) return 0;
     return BILLION / last_frame_time_;
-	}
+}
 
-	uint64_t Window::GetAvgFPS() const
+uint64_t Window::GetAvgFPS() const
-	{
+{
     uint64_t delta_t = GetNanos() - avg_fps_start_;
     if (delta_t == 0) return 0;
     return BILLION * (frames_ - avg_fps_start_count_) / delta_t;
-	}
+}
 
-	void Window::ResetAvgFPS()
+void Window::ResetAvgFPS()
-	{
+{
     avg_fps_start_ = GetNanos();
     avg_fps_start_count_ = GetFrameCount();
-	}
+}
 
-	bool Window::InfoBox(const std::string& title, const std::string& msg)
+bool Window::InfoBox(const std::string& title, const std::string& msg)
-	{
+{
     if (IsFullscreen() == false) {
         SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_INFORMATION, title.c_str(), msg.c_str(), handle_);
         return true;
@@ -485,14 +381,11 @@ namespace engine {
     else {
         return false;
     }
-	}
-
-	/* STATIC METHODS */
-
-	// Display an error message box
-	void Window::ErrorBox(const std::string& message)
-	{
-		SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Game Error", message.c_str(), NULL);
-	}
-
 }
+
+/* STATIC METHODS */
+
+// Display an error message box
+void Window::ErrorBox(const std::string& message) { SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Game Error", message.c_str(), NULL); }
+
+} // namespace engine

test/src/camera_controller.cpp

@@ -64,7 +64,7 @@ void CameraControllerSystem::OnUpdate(float ts)
 
     // jumping
     if (scene_->app()->input_manager()->GetButtonPress("jump") && (c->grounded || c->noclip)) {
-        c->vel.z += CameraControllerComponent::kJumpHeight; // m/s
+        c->vel.z += CameraControllerComponent::kJumpVelocity; // m/s
     }
 
     // update position with velocity:

test/src/camera_controller.hpp

@@ -16,7 +16,7 @@ struct CameraControllerComponent {
     static constexpr float kSpeedForwardBack = 4.0f;
     static constexpr float kSpeedStrafe = 4.0f;
     static constexpr float kSprintMultiplier = 2.0f;
-    static constexpr float kJumpHeight = /*4.4f*/ 8.8f;
+    static constexpr float kJumpVelocity = 4.4f;
 
     // collision
     static constexpr float kPlayerHeight = 2.0f;          // 71.0f * 25.4f / 1000.0f;
@@ -25,6 +25,7 @@ struct CameraControllerComponent {
     static constexpr size_t kNumHorizontalRays = 20;
 
     static constexpr float kGravAccel = -9.81f;
+    //    static constexpr float kGravAccel = -1.625f; // moon gravity
     static constexpr float kMaxDistanceFromOrigin = 200.0f;
 
     bool noclip = false;