added screen director tools

minor additions / fixes

framework/imgui/CMakeLists.txt

@@ -91,6 +91,9 @@ add_library(imgui_tools
 
 	./src/mm/services/engine_tools.hpp
 	./src/mm/services/engine_tools.cpp
+
+	./src/mm/services/screen_director_tools.hpp
+	./src/mm/services/screen_director_tools.cpp
 )
 
 target_include_directories(imgui_tools PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/src")
@@ -98,6 +101,8 @@ target_link_libraries(imgui_tools
 	imgui_render_task
 	imgui_widgets
 	imgui_color_text_edit
+
+	screen_director
 )
 
 ################## imgui_sound

framework/imgui/src/mm/services/screen_director_tools.cpp

@@ -0,0 +1,87 @@
+#include "./screen_director_tools.hpp"
+
+#include <mm/engine.hpp>
+
+#include <mm/services/screen_director.hpp>
+
+#include <imgui/imgui.h>
+
+namespace MM::Services {
+
+using UpdateStrategies::update_key_t;
+
+bool ImGuiScreenDirectorTools::enable(Engine& engine, std::vector<UpdateStrategies::TaskInfo>& task_array) {
+	auto& menu_bar = engine.getService<MM::Services::ImGuiMenuBar>();
+
+	menu_bar.menu_tree["Screens"]["ShowList"] = [this](Engine&) {
+		ImGui::MenuItem("ShowScreenList", NULL, &_show_screen_list);
+	};
+
+	// add task
+	task_array.push_back(
+		UpdateStrategies::TaskInfo{"ImGuiScreenDirectorTools::render"}
+		.fn([this](Engine& e){ renderImGui(e); })
+		.phase(UpdateStrategies::update_phase_t::PRE)
+		.succeed("ImGuiMenuBar::render")
+	);
+
+	return true;
+}
+
+void ImGuiScreenDirectorTools::disable(Engine& engine) {
+	auto& menu_bar = engine.getService<MM::Services::ImGuiMenuBar>();
+
+	menu_bar.menu_tree["Engine"].erase("ShowList");
+}
+
+void ImGuiScreenDirectorTools::renderImGui(Engine& engine) {
+	if (_show_screen_list) {
+		renderScreenList(engine);
+	}
+}
+
+void ImGuiScreenDirectorTools::renderScreenList(Engine& engine) {
+	if (ImGui::Begin("Screens##ScreenDirectorTools", &_show_screen_list)) {
+		ImGui::Text("TODO: make sortable");
+		//ImGui::Checkbox("edit mode", &_services_edit_mode);
+
+		if (ImGui::BeginTable(
+			"screens_table",
+			2,
+			ImGuiTableFlags_RowBg //|
+		)) {
+			ImGui::TableSetupColumn("name"/*, ImGuiTableColumnFlags_WidthFixed*/);
+			ImGui::TableSetupColumn("##goto", ImGuiTableColumnFlags_WidthFixed);
+			//ImGui::TableHeadersRow();
+
+			auto& sd = engine.getService<MM::Services::ScreenDirector>();
+
+			const auto active_screen_color = ImGui::GetColorU32(ImVec4(0.3f, 0.7f, 0.3f, 0.4f));
+
+			for (const auto& it : sd.screens) {
+				ImGui::TableNextRow();
+
+				if (it.first == sd.curr_screen_id) {
+					ImGui::TableSetBgColor(ImGuiTableBgTarget_RowBg0, active_screen_color);
+				}
+
+				ImGui::TableNextColumn();
+				ImGui::Text("%s", it.first.c_str());
+
+				ImGui::TableNextColumn();
+				ImGui::PushID(it.first.c_str());
+				if (ImGui::SmallButton("-> GoTo")) {
+					sd.queueChangeScreenTo(it.first);
+				}
+				//ImGui::SetTooltip("click to toggle!"); the heck?
+				ImGui::PopID();
+			}
+
+		ImGui::EndTable();
+		}
+	}
+	ImGui::End();
+}
+
+} // namespace MM::Services
+

framework/imgui/src/mm/services/screen_director_tools.hpp

@@ -0,0 +1,26 @@
+#pragma once
+
+#include "./imgui_menu_bar.hpp"
+
+namespace MM::Services {
+
+	class ImGuiScreenDirectorTools : public Service {
+		public:
+			const char* name(void) override { return "ImGuiScreenDirectorTools"; }
+
+			bool enable(Engine& engine, std::vector<UpdateStrategies::TaskInfo>& task_array) override;
+			void disable(Engine& engine) override;
+
+		private:
+			bool _show_screen_list = false;
+
+			//bool _edit_mode = false;
+
+		private:
+			void renderImGui(Engine& engine);
+
+			void renderScreenList(Engine& engine);
+	};
+
+} // namespace MM::Services
+

framework/opengl_primitives/src/mm/opengl/instance_buffer.hpp

@@ -48,6 +48,10 @@ namespace MM::OpenGL {
 				return _size;
 			}
 
+			size_t getSizeBytes(void) const {
+				return _size * sizeof(TInstance);
+			}
+
 			TInstance* map(size_t size, GLenum usage = GL_DYNAMIC_DRAW, bool shrink = false) {
 				if (size > _size || (shrink && (size < _size)))
 					resize(size, usage);

framework/opengl_renderer/src/mm/opengl/camera_3d.cpp

@@ -2,6 +2,8 @@
 
 #include <glm/gtc/matrix_transform.hpp>
 
+#include <tracy/Tracy.hpp>
+
 namespace MM::OpenGL {
 
 Camera3D::Camera3D(void) {
@@ -81,6 +83,8 @@ glm::mat4 Camera3D::getProjection() const {
 }
 
 std::array<glm::vec4, 6> Camera3D::getFrustumPlanes(void) const {
+	ZoneScopedN("Camera3D::getFrustumPlanes")
+
 	std::array<glm::vec4, 6> planes;
 
 	glm::mat4 wvp = getViewProjection();
@@ -172,11 +176,38 @@ std::array<glm::vec4, 6> Camera3D::getFrustumPlanes(void) const {
 	// normalize
 	for (size_t i = 0; i < 6; i++) {
 		planes[i] = glm::normalize(planes[i]);
-		//planes[i] /= glm::length(glm::vec3(planes[i]));
 	}
 
 	return planes;
 }
 
+template<typename T>
+static T dot34(glm::vec<3, T> lhs, glm::vec<4, T> rhs) {
+	return glm::dot(lhs, glm::vec<3, T>(rhs)) + rhs.w;
+}
+
+bool in_frustum_aabb(
+	const std::array<glm::vec4, 6>& frustum,
+	const std::array<glm::vec3, 8>& aabb
+) {
+	// test each plane
+	for (int i = 0; i < 6; i++) {
+		bool inside = false; // inside current plane
+
+		for (int j = 0; j < 8; j++) {
+			if (dot34(aabb[j], frustum[i]) >= 0) { // == for on plane
+				inside = true;
+				break;
+			}
+		}
+
+		if (!inside) {
+			return false;
+		}
+	}
+
+	return true;
+}
+
 } // MM::Rendering
 

framework/opengl_renderer/src/mm/opengl/camera_3d.hpp

@@ -50,5 +50,20 @@ namespace MM::OpenGL {
 			// call updateView beforehand, does not cache
 			std::array<glm::vec4, 6> getFrustumPlanes(void) const;
 	};
+
+	// test if aabb in frustum
+	// aabb is in world space
+	bool in_frustum_aabb(
+		const std::array<glm::vec4, 6>& frustum,
+		const std::array<glm::vec3, 8>& aabb
+	);
+
+	// TODO: implement
+	//// test if sphere in frustum
+	//bool in_frustum_sphere(
+		//const std::array<glm::vec4, 6>& frustum,
+		//const glm::vec3 position, const float radius
+	//);
+
 } // MM::OpenGL
 

framework/sdl_service/src/mm/services/sdl_service.cpp

@@ -28,10 +28,21 @@
 
 namespace MM::Services {
 
-SDLService::SDLService(uint32_t sdl_init_flags) {
+SDLService::SDLService(uint32_t _sdl_init_flags) {
 	MM::Logger::initSectionLogger("SDLService");
 
-	LOG_TRACE("constructing SDLService...");
+//#ifdef __EMSCRIPTEN__
+	//_sdl_init_flags &= ~SDL_INIT_HAPTIC;
+//#endif
+
+	sdl_init_flags = _sdl_init_flags;
+}
+
+SDLService::~SDLService(void) {
+}
+
+bool SDLService::enable(Engine&, std::vector<UpdateStrategies::TaskInfo>& task_array) {
+	LOG_TRACE("enabling SDLService...");
 
 	SDL_LogSetOutputFunction(
 		+[](void*, int category, SDL_LogPriority priority, const char* message) {
@@ -43,19 +54,25 @@ SDLService::SDLService(uint32_t sdl_init_flags) {
 	SDL_LogSetAllPriority(SDL_LOG_PRIORITY_VERBOSE);
 
 
-//#ifdef __EMSCRIPTEN__
-	//sdl_init_flags &= ~SDL_INIT_HAPTIC;
-//#endif
-
 	if (SDL_Init(sdl_init_flags)) {
 		LOG_CRIT("SDL_Init() failed: {}", SDL_GetError());
-		return;
+		return false;
 	}
+
+	// add task
+	task_array.push_back(
+		UpdateStrategies::TaskInfo{"SDLService::events"}
+		.phase(UpdateStrategies::update_phase_t::PRE)
+		.fn([this](Engine& e) { this->processEvents(e); })
+	);
+
+	return true;
 }
 
-SDLService::~SDLService(void) {
-	LOG_TRACE("deconstructing SDLService...");
+void SDLService::disable(Engine&) {
+	LOG_TRACE("disabling SDLService...");
 
+	// destroy stuff
 	if (gl_context) {
 		SDL_GL_DeleteContext(gl_context);
 	}
@@ -68,30 +85,6 @@ SDLService::~SDLService(void) {
 	SDL_Quit();
 }
 
-bool SDLService::enable(Engine&, std::vector<UpdateStrategies::TaskInfo>& task_array) {
-	// add task
-	task_array.push_back(
-		UpdateStrategies::TaskInfo{"SDLService::events"}
-		.phase(UpdateStrategies::update_phase_t::PRE)
-		.fn([this](Engine& e) { this->processEvents(e); })
-	);
-
-	bool succ = true;
-	return succ;
-}
-
-void SDLService::disable(Engine&) {
-	// destroy stuff
-	if (gl_context) {
-		SDL_GL_DeleteContext(gl_context);
-	}
-
-	if (win) {
-		LOG_WARN("destroying open window");
-		destroyWindow();
-	}
-}
-
 bool SDLService::createWindow(const char* title, int screen_width, int screen_height, uint32_t sdl_window_flags) {
 	if (!win) {
 		win = SDL_CreateWindow(title, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, screen_width, screen_height, sdl_window_flags);

framework/sdl_service/src/mm/services/sdl_service.hpp

@@ -11,6 +11,8 @@ namespace MM::Services {
 
 	class SDLService : public Service {
 		public:
+			uint32_t sdl_init_flags = SDL_INIT_EVERYTHING;
+
 			SDL_Window* win{nullptr};
 			SDL_GLContext gl_context{nullptr};