#include "editor.hpp"
#include "editor-io.hpp"
#include "editor-types.hpp"

#include "BulletCollision/NarrowPhaseCollision/btRaycastCallback.h"
#include "asset-manager.hpp"
#include "camera.hpp"
#include "ecs.hpp"
#include "entities.hpp"
#include "font.hpp"
#include "game-settings.hpp"
#include "game.hpp"
#include "imgui.h"
#include "level.hpp"
#include "math-helpers.hpp"
#include "msdf-atlas-gen/msdf-atlas-gen.h"
#include "msdfgen.h"
#include "player-input.hpp"
#include "plugins.hpp"
#include "project-settings.hpp"
#include "project.hpp"
#include "scene.hpp"
#include "static-ui.hpp"
#include "thread-pool.hpp"
#include "vendor-glm-include.hpp"
#include "vendor-tinyfiledialogs.h"
#include "window.hpp"
#include "pk.h"

#include <GLFW/glfw3.h>
#include <compare>
#include <cstdio>
#include <filesystem>
#include <future>
#include <regex>

#ifdef WIN32
	// TODO
#else
	#include <unistd.h>
	#include <sys/wait.h>
#endif

const char* const dbgCtrl_CameraLeft = "debug-camera-left";
const char* const dbgCtrl_CameraRight = "debug-camera-right";
const char* const dbgCtrl_CameraForward = "debug-camera-forward";
const char* const dbgCtrl_CameraBack = "debug-camera-back";
const char* const dbgCtrl_CameraUp = "debug-camera-up";
const char* const dbgCtrl_CameraDown = "debug-camera-down";
const char* const dbgCtrl_CameraRotCC = "debug-camera-rot-counter-clockwise";
const char* const dbgCtrl_CameraRotC = "debug-camera-rot-clockwise";
const char* const dbgCtrl_CameraRot = "debug-camera-rot";
const char* const dbgCtrl_CameraButtonMask = "debug-camera-button-mask";
const char* const dbgCtrl_SelectHovered = "debug-select-hovered";
const char* const dbgCtrl_ClearSelection = "debug-clear-selection";
const char* const dbgCtrl_DeleteSelectedItem = "debug-delete-selected-item";
const char* const dbgCtrl_ImGui_Toggle = "debug-imgui-toggle";

ThreadPoolHandle threadPoolHandle = ThreadPoolHandle_MAX;

InputActionSetHandle debugControlsHandle = InputActionSetHandle_MAX;
bool shouldSetupEditor = true;
bool shouldDisableEditor = false;
bool shouldRebuildProjectDir = true;
bool shouldRebuildAssetList = true;

DynArray<EntityType *> entityInstancesToCreate{16};
CompInstance *selectedEntity = nullptr;
CompInstance *hoveredEntity = nullptr;
bool shouldCreateEntityType = false;
EntityType entityTypeToCreate{};
CameraHandle selectedCamera = CameraHandle_MAX;

const char* const newSceneName = "newScene.pstf";
bool shouldOpenLoadSceneDialog = false;
bool shouldOpenSaveSceneDialog = false;
bool shouldOpenNewScene = false;
bool shouldSaveProjectFile = false;
bool shouldRunCurrentScene = false;
__pid_t subProgramPid = -1;

glm::vec3 unproject(glm::vec3 windowCoords) {
		double xDevNorm = (2.0f * windowCoords.x) / Extent.width - 1.0f;
		double yDevNorm = 1.0f - (2.0f * windowCoords.y) / Extent.height;
		yDevNorm *= -1;
		glm::vec4 clipCoords(xDevNorm, yDevNorm, windowCoords.z, 1.f);

		glm::vec4 rayEye = glm::inverse(UBO.proj) * clipCoords;

		glm::vec4 worldCoords = glm::inverse(UBO.model) * glm::inverse(UBO.view) * rayEye;
		if (std::abs(0.0f - worldCoords.w) > 0.00001f) {
			worldCoords *= 1.0f / worldCoords.w;
		}

		return glm::vec3(worldCoords);
}

void PkeEditor_Tick(double delta) {
	if (shouldRunCurrentScene) {
		shouldRunCurrentScene = false;
		auto *task = pk_new<std::packaged_task<void()>>();
		new (task) std::packaged_task<void()>( [] {
			subProgramPid = fork();
			if (subProgramPid == 0) {
				int status = -1;
				const char *argv[] = {
					"pke-runtime",
					"--plugin", pkeSettings.args.pluginPath == nullptr ? "libpke-example.o" : pkeSettings.args.pluginPath,
					"--project", pkeSettings.args.projectPath == nullptr ? PKE_PROJ_DEFAULT_FILENAME : pkeSettings.args.projectPath,
					"--scene", (editor_mstr.active_scene != nullptr &&  editor_mstr.active_scene->name[0] != '\0') ? editor_mstr.active_scene->name : PKE_PROJ_DEFAULT_FILENAME ,
					NULL,
				};
				status = execvp("pke-runtime", const_cast<char **>(argv));
				fprintf(stderr, "pke-runtime (child) exited with a status of %i\n", status);
				subProgramPid = -1;
			} else if (subProgramPid == -1) {
				fprintf(stdout, "pke-runtime failed to fork\n");
				subProgramPid = -1;
			} else {
				int status = 0xCAFEBABE;
				waitpid(subProgramPid, &status, 0);
				fprintf(stdout, "pke-runtime (parent) exited with a status of %i (0x%08X)\n", status, status);
				subProgramPid = -1;
			}
		});
		PkeThreads_Enqueue(threadPoolHandle, task);
	}
	if (shouldSetupEditor) {
		PkeEditor_Setup();
	}
	if (shouldDisableEditor) {
		PkeEditor_Teardown();
	}
	if (shouldOpenNewScene) {
		shouldOpenNewScene = false;
		if (editor_mstr.active_scene != nullptr) {
			pke_scene_remove(editor_mstr.active_scene->scene_handle);
		}
		ActiveCamera = &NullCamera;
		editor_mstr.active_scene = pke_scene_create(newSceneName);
		return;
	}
	if (shouldSaveProjectFile) {
		shouldSaveProjectFile = false;
		PkeProject_Save();
	}
	if (shouldOpenLoadSceneDialog) {
		shouldOpenLoadSceneDialog = false;
		auto *task = pk_new<std::packaged_task<void()>>();
		new (task) std::packaged_task<void()>( [] {
			const char * patterns[1] = {"*.pstf"};
			char *selectedScene = tinyfd_openFileDialog(nullptr, "cafebabe.pstf", 1, patterns, "Pke Scene Text File", 0);
			if (editor_mstr.active_scene != nullptr) {
				pke_scene_remove(editor_mstr.active_scene->scene_handle);
			}
			ActiveCamera = &NullCamera;
			editor_mstr.active_scene = pke_scene_create(selectedScene);
			return;
		});
		PkeThreads_Enqueue(threadPoolHandle, task);
	}

	if (shouldOpenSaveSceneDialog) {
		assert(editor_mstr.active_scene != nullptr);
		shouldOpenSaveSceneDialog = false;
		auto *task = pk_new<std::packaged_task<void()>>();
		new (task) std::packaged_task<void()>( [] {
			const char * patterns[1] = {"*.pstf"};
			char *selectedScene = tinyfd_saveFileDialog(nullptr, editor_mstr.active_scene->file_path.val, 1, patterns, "Pke Scene Text File");
			if (selectedScene != nullptr) {
				if (editor_mstr.active_scene->file_path.reserved > 0) {
					pk_delete<char>(editor_mstr.active_scene->file_path.val, editor_mstr.active_scene->file_path.reserved);
				}
				editor_mstr.active_scene->file_path.length = strlen(selectedScene);
				editor_mstr.active_scene->file_path.reserved = editor_mstr.active_scene->file_path.length + 1;
				editor_mstr.active_scene->file_path.val = pk_new<char>(editor_mstr.active_scene->file_path.reserved);
				strcpy(editor_mstr.active_scene->file_path.val, selectedScene);
				editor_mstr.shouldSaveScene = true;
			}
		});
		PkeThreads_Enqueue(threadPoolHandle, task);
	}
	if (editor_mstr.shouldSaveScene && editor_mstr.active_scene) {
		NULL_CHAR_ARR(file_path, 256);
		editor_mstr.shouldSaveScene = false;
		if (editor_mstr.active_scene->file_path.val) {
			sprintf(file_path, "%.255s", editor_mstr.active_scene->file_path.val);
		} else {
			sprintf(file_path, "%.16s", editor_mstr.active_scene->name);
		}
		int len = strlen(file_path);
		if (strstr(file_path, ".pstf") == nullptr && len < 251) {
			file_path[len+0] = '.';
			file_path[len+1] = 'p';
			file_path[len+2] = 's';
			file_path[len+3] = 't';
			file_path[len+4] = 'f';
			file_path[len+5] = '\0';
		}
		pke_editor_scene_save(file_path);
		shouldRebuildProjectDir = true;
	}
	if (editor_mstr.target_scene_path.val != nullptr) {
		if (editor_mstr.active_scene != nullptr) {
			pke_scene_remove(editor_mstr.active_scene->scene_handle);
		}
		ActiveCamera = &NullCamera;
		pke_editor_scene_load(editor_mstr.target_scene_path.val);
		std::filesystem::path p(editor_mstr.target_scene_path.val);
		editor_mstr.active_scene = pke_scene_get_by_name(p.stem().c_str());
		if (editor_mstr.active_scene) {
			editor_mstr.active_scene->file_path = editor_mstr.target_scene_path;
		}
		editor_mstr.target_scene_path = {};
		return;
	}

	if (selectedEntity && EntitiesToBeRemoved.Has(ECS_GetEntity(selectedEntity->entHandle))) {
		selectedEntity = nullptr;
	}

	bool imGuiHovered = ImGui::GetIO().WantCaptureMouse;

	if (selectedEntity != nullptr && !imGuiHovered) {
		auto holder = PkeInput_Query(dbgCtrl_ClearSelection);
		if (holder.type != InputEventHash{0}) {
			const PkeMouseButtonEvent *mbEvent = static_cast<PkeMouseButtonEvent *>(holder.ptr);
			if (mbEvent->isPressed) {
				selectedEntity = nullptr;
			}
		}
	}
	// raycast for hovering
	hoveredEntity = nullptr;
	if (!imGuiHovered) {
		double xMousePos, yMousePos;
		if (pkeSettings.editorSettings.isUsingDebugCamera) {
			xMousePos = Extent.width / 2.0;
			yMousePos = Extent.height / 2.0;
		} else {
			glfwGetCursorPos(window, &xMousePos, &yMousePos);
		}

		glm::vec3 fromCoords{unproject(glm::vec3(xMousePos, yMousePos, -1.f))};
		glm::vec3 toCoords{unproject(glm::vec3(xMousePos, yMousePos, 1.f))};

		if (fromCoords.x == fromCoords.x && toCoords.x == toCoords.x) {
			btVector3 rayOrigin{};
			btVector3 rayDestination{};
			GlmToBullet(fromCoords, rayOrigin);
			GlmToBullet(toCoords, rayDestination);

			btCollisionWorld::ClosestRayResultCallback rayResult{rayOrigin, rayDestination};
			rayResult.m_flags |= btTriangleRaycastCallback::kF_FilterBackfaces;

			BtDynamicsWorld->rayTest(rayOrigin, rayDestination, rayResult);
			if (rayResult.hasHit()) {
				hoveredEntity = reinterpret_cast<CompInstance *>(rayResult.m_collisionObject->getUserPointer());
			}

		}
	}

	if (hoveredEntity != nullptr) {
		auto holder = PkeInput_Query(dbgCtrl_SelectHovered);
		if (holder.type != InputEventHash{0}) {
			const PkeMouseButtonEvent *mbEvent = static_cast<PkeMouseButtonEvent *>(holder.ptr);
			if (mbEvent->isPressed) {
				selectedEntity = hoveredEntity;
			}
		}
	}

	CompInstance *focusedInst = selectedEntity != nullptr ? selectedEntity : hoveredEntity;
	bool found = false;
	if (focusedInst != nullptr) {
		const auto *grBinds = ECS_GetGrBinds(focusedInst->grBindsHandle);
		if (grBinds != nullptr) {
			pkeDebugHitbox.instanceBuffer = grBinds->instanceBD.buffer;
			pkeDebugHitbox.instanceStartingIndex = focusedInst->index;
			found = true;
		}
	}
	if (!found) {
		pkeDebugHitbox.instanceBuffer = VK_NULL_HANDLE;
		pkeDebugHitbox.instanceStartingIndex = 0;
	}

	if (shouldCreateEntityType) {
		EntityType *existingEntity = EntityType_FindByTypeCode(entityTypeToCreate.entityTypeCode.val);
		if (existingEntity == nullptr) {

			EntityType *newEntType = EntityType_Create(pk_uuid_zed);
			strncpy(newEntType->modelAssetKey, entityTypeToCreate.modelAssetKey, AssetKeyLength);
			newEntType->entityTypeCode = entityTypeToCreate.entityTypeCode;
			if (entityTypeToCreate.createInstanceCallback.name[0] != '\0') {
				strncpy(newEntType->createInstanceCallback.name, entityTypeToCreate.createInstanceCallback.name, CallbackSignatureLength);
				PkePlugin_SetSignatureFunc(&newEntType->createInstanceCallback);
			}
			for (int64_t i = 0; i < entityTypeToCreate.detailsCount; ++i) {
				newEntType->details[i] = entityTypeToCreate.details[i];
				strncpy(newEntType->details[i].textureAssetKey, entityTypeToCreate.details[i].textureAssetKey, AssetKeyLength);
			}

			EntityType_Load(entityTypeToCreate);

			for (int64_t i = 0; i < entityTypeToCreate.detailsCount; ++i) {
				strncpy(newEntType->details[i].grBinds->collisionCallback.name, entityTypeToCreate.details[i].grBinds->collisionCallback.name, CallbackSignatureLength);
				PkePlugin_SetSignatureFunc(&newEntType->details[i].grBinds->collisionCallback);
			}
		} else {
			// TODO leaks entityTypeToCreate.entityTypeCode
		}
		entityTypeToCreate = EntityType{};
		shouldCreateEntityType = false;
	}
	while (entityInstancesToCreate.Count() > 0) {
		EntityType *et = entityInstancesToCreate.Pop();
		if (et->createInstanceCallback.func) {
			// TODO function signature
			// reinterpret_cast<void(*)()>(et->createInstanceCallback.func)();
			fprintf(stderr, "[%s] Attempted to call EntityType::createInstanceCallback without a function signature", __FILE__);
		} else {
			EntityType_CreateGenericInstance(et, editor_mstr.active_scene, nullptr);
		}
	}

	PkeInputEventHolder holder = PkeInput_Query(dbgCtrl_CameraButtonMask);
	if (holder.type != InputEventHash{0}) {
		PkeMouseButtonEvent *toggleCameraMovement;
		toggleCameraMovement = static_cast<PkeMouseButtonEvent *>(holder.ptr);
		if (toggleCameraMovement->thisTick) {
			if (toggleCameraMovement->isPressed && pkeSettings.editorSettings.isUsingDebugCamera == false) {
				pkeSettings.editorSettings.isUsingDebugCamera = true;
				glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
				selectedCamera = CameraHandle_MAX;
				if (ActiveCamera != &NullCamera) {
					btTransform btfm;
					CompInstance *inst = ECS_GetInstance(ActiveCamera->phys.instHandle);
					inst->bt.motionState->getWorldTransform(btfm);
					NullCameraInstance.bt.motionState->setWorldTransform(btfm);
					NullCameraInstance.bt.rigidBody->setWorldTransform(btfm);
					NullCameraInstance.bt.rigidBody->activate();
					NullCamera.phys.targetInstHandle = ActiveCamera->phys.targetInstHandle;
					NullCamera.type = ActiveCamera->type;
					NullCamera.view = ActiveCamera->view;
					NullCamera.stale = PKE_CAMERA_STALE_ALL;
					ActiveCamera = &NullCamera;
				}
			} else if (toggleCameraMovement->isPressed && pkeSettings.editorSettings.isUsingDebugCamera == true) {
				pkeSettings.editorSettings.isUsingDebugCamera = false;
				glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_NORMAL);
			}
		}
	}

	if (pkeSettings.editorSettings.isUsingDebugCamera && ActiveCamera == &NullCamera) {
		holder = PkeInput_Query(dbgCtrl_CameraRot);

		btTransform trfm;
		NullCameraInstance.bt.motionState->getWorldTransform(trfm);

		if (holder.type != InputEventHash{0}) {
			const PkeCursorPosEvent *posEvent = static_cast<PkeCursorPosEvent *>(holder.ptr);
			if (posEvent->xMotion || posEvent->yMotion) {
				glm::quat gRot;
				BulletToGlm(trfm.getRotation(), gRot);

				glm::vec3 axis1Heading = glm::conjugate(gRot) * glm::vec3(1.f, 0.f, 0.f);
				glm::vec3 axis2Heading = glm::conjugate(gRot) * glm::vec3(0.f, 1.f, 0.f);
				glm::quat pitch = glm::angleAxis(float(posEvent->yMotion) * 0.01f, glm::normalize(axis1Heading));
				glm::quat yaw = glm::angleAxis(float(posEvent->xMotion) * 0.01f, glm::normalize(axis2Heading));
				glm::quat rot = gRot * pitch * yaw;
				auto eul = glm::eulerAngles(rot);
				gRot = glm::quat(eul);
				btQuaternion bRot;
				GlmToBullet(gRot, bRot);
				trfm.setRotation(bRot);
				NullCamera.stale = NullCamera.stale | PKE_CAMERA_STALE_ROT;
			}
		}

		double leftCount = 0;
		double rightCount = 0;
		double forwardCount = 0;
		double backCount = 0;
		double upCount = 0;
		double downCount = 0;
		double rotCCCount = 0;
		double rotCCount = 0;

		holder = PkeInput_Query(dbgCtrl_CameraLeft);
		if (holder.type != InputEventHash{0}) {
			PkeKeyEvent *keyLeft;
			keyLeft = static_cast<PkeKeyEvent *>(holder.ptr);
			leftCount = keyLeft->isPressed ? 1 : 0;
		}

		holder = PkeInput_Query(dbgCtrl_CameraRight);
		if (holder.type != InputEventHash{0}) {
			PkeKeyEvent *keyRight;
			keyRight = static_cast<PkeKeyEvent *>(holder.ptr);
			rightCount = keyRight->isPressed ? 1 : 0;
		}

		holder = PkeInput_Query(dbgCtrl_CameraForward);
		if (holder.type != InputEventHash{0}) {
			PkeKeyEvent *keyForward;
			keyForward = static_cast<PkeKeyEvent *>(holder.ptr);
			forwardCount = keyForward->isPressed ? 1 : 0;
		}

		holder = PkeInput_Query(dbgCtrl_CameraBack);
		if (holder.type != InputEventHash{0}) {
			PkeKeyEvent *keyBack;
			keyBack = static_cast<PkeKeyEvent *>(holder.ptr);
			backCount = keyBack->isPressed ? 1 : 0;
		}

		holder = PkeInput_Query(dbgCtrl_CameraUp);
		if (holder.type != InputEventHash{0}) {
			PkeKeyEvent *keyUp;
			keyUp = static_cast<PkeKeyEvent *>(holder.ptr);
			upCount = keyUp->isPressed ? 1 : 0;
		}

		holder = PkeInput_Query(dbgCtrl_CameraDown);
		if (holder.type != InputEventHash{0}) {
			PkeKeyEvent *keyDown;
			keyDown = static_cast<PkeKeyEvent *>(holder.ptr);
			downCount = keyDown->isPressed ? 1 : 0;
		}

		holder = PkeInput_Query(dbgCtrl_CameraRotCC);
		if (holder.type != InputEventHash{0}) {
			PkeKeyEvent *keyRotCC;
			keyRotCC = static_cast<PkeKeyEvent *>(holder.ptr);
			rotCCCount = keyRotCC->isPressed ? 1 : 0;
		}

		holder = PkeInput_Query(dbgCtrl_CameraRotC);
		if (holder.type != InputEventHash{0}) {
			PkeKeyEvent *keyRotC;
			keyRotC = static_cast<PkeKeyEvent *>(holder.ptr);
			rotCCount = keyRotC->isPressed ? 1 : 0;
		}

		double accelerated = delta * 10.f;
		double axis1 = -(leftCount * accelerated) + (rightCount * accelerated);
		double axis2 = (forwardCount * accelerated) + -(backCount * accelerated);
		double axis3 = -(upCount * accelerated) + (downCount * accelerated);
		if (axis1 != 0 || axis2 != 0 || axis3 != 0) {
			glm::quat gRot;
			BulletToGlm(trfm.getRotation(), gRot);
			glm::vec3 axis1Heading = glm::conjugate(gRot) * glm::vec3(-axis1, 0.f, 0.f);
			glm::vec3 axis2Heading = glm::conjugate(gRot) * glm::vec3(0.f, 0.f, axis2);
			glm::vec3 axis3Heading = glm::conjugate(gRot) * glm::vec3(0.f, axis3, 0.f);
			glm::vec3 gPos;
			BulletToGlm(trfm.getOrigin(), gPos);
			gPos += glm::vec3(axis1Heading + axis2Heading + axis3Heading);
			btVector3 bPos;
			GlmToBullet(gPos, bPos);
			trfm.setOrigin(bPos);
			NullCamera.stale = NullCamera.stale | PKE_CAMERA_STALE_POS;
		}

		double axis4 = -(rotCCCount * delta) + (rotCCount * delta);
		if (axis4 != 0.0) {
			glm::quat gRot;
			btQuaternion bRot;
			BulletToGlm(trfm.getRotation(), gRot);
			gRot = glm::quat(glm::vec3(0.f, 0.f, axis4)) * gRot;
			GlmToBullet(gRot, bRot);
			trfm.setRotation(bRot);
			NullCamera.stale = NullCamera.stale | PKE_CAMERA_STALE_ROT;
		}

		NullCameraInstance.bt.motionState->setWorldTransform(trfm);
		NullCameraInstance.bt.rigidBody->setWorldTransform(trfm);
		NullCameraInstance.bt.rigidBody->activate();
	}

	holder = PkeInput_Query(dbgCtrl_DeleteSelectedItem);
	if (holder.type != InputEventHash{0} && selectedEntity != nullptr) {
		PkeKeyEvent *delSelectedItemEvent;
		delSelectedItemEvent = static_cast<PkeKeyEvent *>(holder.ptr);
		if (delSelectedItemEvent->isPressed == true) {
			ECS_MarkForRemoval(ECS_GetEntity(selectedEntity->entHandle));
			selectedEntity = nullptr;
		}
	}

	holder = PkeInput_Query(dbgCtrl_ImGui_Toggle);
	if (holder.type != InputEventHash{0}) {
		PkeKeyEvent *key;
		key = static_cast<PkeKeyEvent *>(holder.ptr);
		if (key->isPressed && key->thisTick == true) {
			pkeSettings.isShowingEditor = !pkeSettings.isShowingEditor;
		}
	}
}

void RecordImGui_GLM(const char *label, glm::mat4 &mat) {
	float min = -1;
	float max = 1;
	for (long i = 0; i < 4; ++i) {
		ImGui::PushID(i);
		ImGui::SliderFloat4(label, &mat[i][0], min, max, "%.3f", ImGuiSliderFlags_NoRoundToFormat);
		ImGui::PopID();
	}
}

struct assetLabel {
	AssetKey key = {'\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0'};
	AssetHandle handle{};
	AssetType type{};
};
DynArray<assetLabel> assetEntries{0, nullptr};
int assetLabelCmp(const void *a, const void *b) {
	const auto &tA = *static_cast<const assetLabel *>(a);
	const auto &tB = *static_cast<const assetLabel *>(b);
	return strcmp(tA.key, tB.key);
}
void buildAssetLableList() {

}
struct AssetPickerSearchStruct {
	int64_t selectedItem = -1;
	char source[8];
	char safeKey[AssetKeyLength + 1];
	AssetType type{PKE_ASSET_TYPE_ALL};
};
void RecordImGui_AssetPicker(AssetPickerSearchStruct &apss) {
	if (shouldRebuildAssetList == true) {
		if (assetEntries.Count() == 0) {
			pk_handle_bucket_index_T bCount = AM_GetBucketCount();
			for (pk_handle_bucket_index_T b = 0; b < bCount; ++b) {
				pk_handle_item_index_T iCount = 0;
				Asset *assets = AM_GetAssets(b, iCount);
				for (pk_handle_item_index_T i = 0; i < iCount; ++i) {
					const Asset &a = assets[i];
					assetLabel &al = assetEntries.Push();
					strncpy(al.key, a.key, AssetKeyLength);
					al.key[AssetKeyLength-1] = '\0';
					al.handle = a.handle;
					al.type = a.type;
				}
			}
		}
		std::qsort(assetEntries.GetPtr(), assetEntries.Count(), sizeof(assetLabel), assetLabelCmp);
	}
	if (ImGui::BeginPopup(apss.source)) {
		ImGui::SeparatorText("Asset");
		const int64_t iCount = assetEntries.Count();
		for (int64_t i = 0; i < iCount; ++i) {
			const assetLabel &al = assetEntries[i];
			if ((al.type & apss.type) == AssetType{0}) {
				continue;
			}
			char buf[AssetKeyLength + 1];
			snprintf(buf, AssetKeyLength + 1, "%s", al.key);
			if (ImGui::Selectable(buf, apss.selectedItem == i)) {
				snprintf(apss.safeKey, AssetKeyLength + 1, "%s", buf);
				apss.selectedItem = i;
				ImGui::CloseCurrentPopup();
			}
		}
		ImGui::EndPopup();
	}
}

void RecordImGuiModalCreateAsset() {
	if (ImGui::BeginPopupModal("CreateAsset", nullptr, ImGuiWindowFlags_AlwaysAutoResize)) {
		static char assetPath[256];
		static char assetKey[AssetKeyLength + 1];
		static AssetType type;
		assetPath[255] = '\0';
		assetKey[AssetKeyLength] = '\0';

		ImGui::InputText("Asset Key", assetKey, AssetKeyLength);

		static uint32_t assetTypeMask = 0U;
		if (ImGui::CheckboxFlags("Shader", &assetTypeMask, 1U << static_cast<AssetType_T>(PKE_ASSET_TYPE_SHADER))) {
			assetTypeMask = assetTypeMask & (1U << static_cast<AssetType_T>(PKE_ASSET_TYPE_SHADER));
			type = PKE_ASSET_TYPE_SHADER;
		}
		if (ImGui::CheckboxFlags("Model", &assetTypeMask, 1U << static_cast<AssetType_T>(PKE_ASSET_TYPE_MODEL))) {
			assetTypeMask = assetTypeMask & (1U << static_cast<AssetType_T>(PKE_ASSET_TYPE_MODEL));
			type = PKE_ASSET_TYPE_MODEL;
		}
		if (ImGui::CheckboxFlags("Texture", &assetTypeMask, 1U << static_cast<AssetType_T>(PKE_ASSET_TYPE_TEXTURE))) {
			assetTypeMask = assetTypeMask & (1U << static_cast<AssetType_T>(PKE_ASSET_TYPE_TEXTURE));
			type = PKE_ASSET_TYPE_TEXTURE;
		}
		if (ImGui::CheckboxFlags("Audio", &assetTypeMask, 1U << static_cast<AssetType_T>(PKE_ASSET_TYPE_AUDIO))) {
			assetTypeMask = assetTypeMask & (1U << static_cast<AssetType_T>(PKE_ASSET_TYPE_AUDIO));
			type = PKE_ASSET_TYPE_AUDIO;
		}
		if (ImGui::CheckboxFlags("Font", &assetTypeMask, 1U << static_cast<AssetType_T>(PKE_ASSET_TYPE_FONT))) {
			assetTypeMask = assetTypeMask & (1U << static_cast<AssetType_T>(PKE_ASSET_TYPE_FONT));
			type = PKE_ASSET_TYPE_FONT;
		}

		if (ImGui::Button("Select File")) {
			const char * patterns[1] = {"*.*"};
			char *selectedPath = tinyfd_openFileDialog(nullptr, "cafebabe.pstf", 1, patterns, "Pke Scene Text File", 0);
			if (selectedPath != nullptr) {
				strncpy(assetPath, selectedPath, 255);
			}
		}
		ImGui::SameLine();
		ImGui::Text("%s", assetPath);

		ImGui::Separator();

		bool shouldClose = false;

		if (ImGui::Button("Create")) {
			AM_Register(assetKey, type, assetPath);
			shouldRebuildAssetList = true;
			assetEntries.Resize(0);
			shouldClose = true;
		}
		ImGui::SameLine();
		if (ImGui::Button("Cancel")) {
			shouldClose = true;
		}

		if (shouldClose) {
			type = PKE_ASSET_TYPE_UNSET;
			assetTypeMask = 0U;
			assetKey[0] = '\0';
			assetPath[0] = '\0';
			ImGui::CloseCurrentPopup();
		}

		ImGui::EndPopup();
	}
}

void RecordImGuiEditorWrapper() {
	ImGui::DockSpaceOverViewport(0, nullptr, ImGuiDockNodeFlags_PassthruCentralNode);
	ImGui::BeginMainMenuBar();
	if (ImGui::BeginMenu("File")) {
		if (ImGui::MenuItem("New Scene")) {
			shouldOpenNewScene = true;
		}
		/*
		 * comparing pointer locations of c-strings is intentional
		 * - the goal is not to prevent a specific scene name,
		 *   I just want to know if they clicked the "New Scene" button
		 */
		ImGui::BeginDisabled(editor_mstr.active_scene && editor_mstr.active_scene->name == newSceneName);
		if (ImGui::MenuItem("Save")) {
			shouldSaveProjectFile = true;
			editor_mstr.shouldSaveScene = true;
		}
		if (editor_mstr.active_scene != nullptr) {
			ImGui::SameLine();
			int offset = 0;
			const auto *slash = strrchr(editor_mstr.active_scene->name, '\\');
			slash = slash != nullptr ? slash : strrchr(editor_mstr.active_scene->name, '/');
			if (slash != nullptr) {
				offset = slash - editor_mstr.active_scene->name;
			}
			ImGui::Text("%s", editor_mstr.active_scene->name + offset);
		}
		ImGui::EndDisabled();

		if (ImGui::MenuItem("Save As...")) {
			shouldSaveProjectFile = true;
			shouldOpenSaveSceneDialog = true;
		}

		if (ImGui::MenuItem("Exit")) {
			glfwSetWindowShouldClose(window, true);
		}
		ImGui::EndMenu();
	}
	if (ImGui::BeginMenu("Debug")) {
		ImGui::Checkbox("Show Debug Hitboxes", &pkeSettings.isRenderingDebug);
		ImGui::BeginDisabled();
		ImGui::Checkbox("Pause Physics Simulation", &pkeSettings.isSimulationPaused);
		ImGui::EndDisabled();
		if (ImGui::Checkbox("Uncap Framerate", &pkeSettings.graphicsSettings.isFramerateUnlocked)) {
			shouldRecreateSwapchain = true;
		}
		if (ImGui::Checkbox("wait for v-sync", &pkeSettings.graphicsSettings.isWaitingForVsync)) {
			shouldRecreateSwapchain = true;
		}
		// ImGui::Checkbox("Uncap Tickrate", &pkeSettings.isTickrateUnlocked);
		if (ImGui::Checkbox("Use Debug Camera", &pkeSettings.editorSettings.isUsingDebugCamera)) {
			if (pkeSettings.editorSettings.isUsingDebugCamera) {
				// shouldUnlockCamera = true;
				ImGui::CloseCurrentPopup();
			} else {
				// shouldLockCamera = true;
			}
		}

    ImGuiIO &io = ImGui::GetIO();
		ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate);

		ImGui::EndMenu();
	}
	ImGui::Spacing();
	ImGui::BeginDisabled(subProgramPid != -1);
	if (ImGui::Button("▶️")) {
		shouldRunCurrentScene = true;
	}
	ImGui::EndDisabled();
	ImGui::EndMainMenuBar();
}

void RecordImGuiEntityTypes() {
	if (!ImGui::Begin("EntityTypes")) {
		ImGui::End();
		return;
	}

	static ImGuiTableFlags tableFlags{
		ImGuiTableFlags_Borders |
		ImGuiTableFlags_RowBg
	};
	if (ImGui::BeginTable("EntityTypes", 5, tableFlags)) {
		ImGui::TableSetupColumn("EntityHandle");
		ImGui::TableSetupColumn("ModelAssetKey");
		ImGui::TableSetupColumn("EntityTypeCode");
		ImGui::TableSetupColumn("Details");
		ImGui::TableSetupColumn("Instances");
		ImGui::TableHeadersRow();

		pk_handle_bucket_index_T cameraBucketCount = EntityType_GetBucketCount();
		for (pk_handle_bucket_index_T b = 0; b < cameraBucketCount; ++b) {
			pk_handle_item_index_T count;
			auto *entityTypes = EntityType_GetEntityTypes(b, count);
			ImGui::PushID(b);
			for (pk_handle_item_index_T i = 0; i < count; ++i) {
				const auto &et = entityTypes[i];
				if (et.handle == EntityHandle_MAX)
					continue;
				ImGui::PushID(i);
				ImGui::TableNextRow();
				ImGui::TableSetColumnIndex(0);
				ImGui::Text("0x%08X 0x%08X", et.handle.bucketIndex, et.handle.itemIndex);
				ImGui::TableSetColumnIndex(1);
				ImGui::Text("%*.*s", 0, (int)AssetKeyLength, et.modelAssetKey);
				ImGui::TableSetColumnIndex(2);
				ImGui::Text("%s", et.entityTypeCode.val);
				ImGui::TableSetColumnIndex(3);
				ImGui::Text("count: %li", et.detailsCount);
				ImGui::TableSetColumnIndex(4);
				if (ImGui::Button("Add")) {
					entityInstancesToCreate.Push(const_cast<EntityType *>(&et));
				}
				ImGui::SameLine();
				ImGui::Text("count: %u", et.details[0].grBinds->instanceCounter);
				ImGui::PopID();
			}
			ImGui::PopID();
		}
		ImGui::EndTable();

	}
	ImGui::End();
}

int SortFontGlyphChar(const void *a, const void *b) {
	return ((FontGlyphChar*)a)->unicode > ((FontGlyphChar*)b)->unicode;
}

void GenerateMTSDF(FontTypeMSDFSettings *msdf_settings, const Asset *a) {
	static pk_arr *required_font_glyph_chars_arr;
	required_font_glyph_chars_arr = pk_new<pk_arr>(pkeSettings.mem.bkt);
	required_font_glyph_chars_arr->next = 0;
	required_font_glyph_chars_arr->reserved = 0;
	required_font_glyph_chars_arr->stride = sizeof(FontGlyphChar);
	required_font_glyph_chars_arr->alignment = alignof(FontGlyphChar);
	required_font_glyph_chars_arr->bkt = pkeSettings.mem.bkt;
	required_font_glyph_chars_arr->data = nullptr;
	pk_arr_reserve(required_font_glyph_chars_arr, 3);

	FontGlyphChar fgc{};
	fgc.advance = 0;
	fgc.sprite_region_min = glm::vec2(0);
	fgc.sprite_region_max = glm::vec2(0);
	fgc.plane_bounds = glm::vec4(0);
	fgc.unicode = 0;
	fgc.flags = FONT_GLYPH_CHAR_FLAGS_NONE;
	// 9 horizontal tab
	fgc.unicode = 9;
	fgc.advance = 2;
	fgc.flags = (FONT_GLYPH_CHAR_FLAGS)(FONT_GLYPH_CHAR_FLAGS_WHITESPACE | FONT_GLYPH_CHAR_FLAGS_ALIGN_ADVANCE);
	pk_arr_append(required_font_glyph_chars_arr, &fgc);
	// 10 line feed
	fgc.unicode = 10;
	fgc.advance = 0;
	fgc.flags = FONT_GLYPH_CHAR_FLAGS_NEW_LINE;
	pk_arr_append(required_font_glyph_chars_arr, &fgc);
	// 13 carriage return
	fgc.unicode = 13;
	fgc.advance = 0;
	fgc.flags = FONT_GLYPH_CHAR_FLAGS_NEW_LINE;
	pk_arr_append(required_font_glyph_chars_arr, &fgc);

	uint64_t found_unicode_map = 0;
	assert(PK_HAS_FLAG(a->type, PKE_ASSET_TYPE_FONT));
	FontTypeSpacing ft_spacing{};
	glm::dvec4 dbounds;
	NULL_CHAR_ARR(path_txtr, 128);
	NULL_CHAR_ARR(path_glyphs, 128);
	std::error_code e;
	std::filesystem::create_directory("./font", e);
	AssetHandle ah_image = AssetHandle_MAX;
	AssetHandle ah_glyphs = AssetHandle_MAX;
	snprintf(path_txtr, 128, "%s/%s.%s", "./font", a->key, "png");
	snprintf(path_glyphs, 128, "%s/%s.%s", "./font", a->key, "glyph");
	if (msdfgen::FreetypeHandle *ft = msdfgen::initializeFreetype()) {
		// Load font file
		if (msdfgen::FontHandle *font = msdfgen::loadFont(ft, a->basePath)) {
			// Storage for glyph geometry and their coordinates in the atlas
			std::vector<msdf_atlas::GlyphGeometry> glyphs;
			// FontGeometry is a helper class that loads a set of glyphs from a single font.
			// It can also be used to get additional font metrics, kerning information, etc.
			msdf_atlas::FontGeometry fontGeometry(&glyphs);
			// Load a set of character glyphs:
			// The second argument can be ignored unless you mix different font sizes in one atlas.
			// In the last argument, you can specify a charset other than ASCII.
			// To load specific glyph indices, use loadGlyphs instead.
			fontGeometry.loadCharset(font, 1.0, msdf_atlas::Charset::ASCII);
			// Apply MSDF edge coloring. See edge-coloring.h for other coloring strategies.
			const double maxCornerAngle = 3.0;
			for (msdf_atlas::GlyphGeometry &glyph : glyphs)
				glyph.edgeColoring(&msdfgen::edgeColoringByDistance, maxCornerAngle, 0);

			auto &metrics = fontGeometry.getMetrics();
			ft_spacing.geometry_scale = fontGeometry.getGeometryScale();
			ft_spacing.em_size = metrics.emSize;
			ft_spacing.ascender_y = metrics.ascenderY;
			ft_spacing.descender_y = metrics.descenderY;
			ft_spacing.line_height = metrics.lineHeight;
			ft_spacing.underline_y = metrics.underlineY;
			ft_spacing.underline_thickness = metrics.underlineThickness;

			// TightAtlasPacker class computes the layout of the atlas.
			msdf_atlas::TightAtlasPacker packer;
			// Set atlas parameters:
			// setDimensions or setDimensionsConstraint to find the best value
			packer.setDimensionsConstraint(msdf_atlas::DimensionsConstraint::SQUARE);
			// setScale for a fixed size or setMinimumScale to use the largest that fits
			packer.setMinimumScale(msdf_settings->minimum_scale);
			// setPixelRange or setUnitRange
			packer.setPixelRange(msdf_settings->px_range);
			packer.setMiterLimit(1.0);
			// Compute atlas layout - pack glyphs
			packer.pack(glyphs.data(), glyphs.size());
			// Get final atlas dimensions
			int width = 0, height = 0;
			packer.getDimensions(width, height);
			// The ImmediateAtlasGenerator class facilitates the generation of the atlas bitmap.
			msdf_atlas::ImmediateAtlasGenerator<
				float, // pixel type of buffer for individual glyphs depends on generator function
				4, // number of atlas color channels
				&msdf_atlas::mtsdfGenerator, // function to generate bitmaps for individual glyphs
				msdf_atlas::BitmapAtlasStorage<float, 4> // class that stores the atlas bitmap
				// For example, a custom atlas storage class that stores it in VRAM can be used.
			> generator(width, height);
			// GeneratorAttributes can be modified to change the generator's default settings.
			// msdf_atlas::GeneratorAttributes attributes{};
			// generator.setAttributes(attributes);
			generator.setThreadCount(31); // TODO engine should know this
			// Generate atlas bitmap
			generator.generate(glyphs.data(), glyphs.size());
			// The atlas bitmap can now be retrieved via atlasStorage as a BitmapConstRef.
			// The glyphs array (or fontGeometry) contains positioning data for typesetting text.
			msdf_atlas::BitmapAtlasStorage<float, 4> storage = generator.atlasStorage();
			msdf_atlas::saveImage<4>(storage, msdf_atlas::ImageFormat::PNG, path_txtr, msdf_atlas::YDirection::TOP_DOWN);
			ah_image = AM_Register(path_txtr, PKE_ASSET_TYPE_UNSET);

			pk_arr arr_glyphs{};
			arr_glyphs.alignment = alignof(FontGlyphChar);
			arr_glyphs.stride = sizeof(FontGlyphChar);
			pk_arr_resize(&arr_glyphs, glyphs.size());
			FontGlyphChar *arr = reinterpret_cast<FontGlyphChar *>(arr_glyphs.data);
			FontGlyphChar *req_arr = reinterpret_cast<FontGlyphChar *>(required_font_glyph_chars_arr->data);
			for (uint64_t i = 0; i < glyphs.size(); ++i) {
				arr[i].advance = glyphs[i].getAdvance();
				arr[i].unicode = glyphs[i].getCodepoint();
				arr[i].flags = FONT_GLYPH_CHAR_FLAGS_NONE;
				if (glyphs[i].isWhitespace()) {
					arr[i].flags = FONT_GLYPH_CHAR_FLAGS_WHITESPACE;
				}

				for (uint32_t k = 0; k < required_font_glyph_chars_arr->next; ++k) {
					if (arr[i].unicode == req_arr[k].unicode) {
						found_unicode_map |= (1ull << k);
						break;
					}
				}

				glyphs[i].getQuadPlaneBounds(dbounds.x, dbounds.y, dbounds.z, dbounds.a);
				arr[i].plane_bounds = dbounds;

				// library counts up from the bottom of the image to the bottom of the glyph
				glyphs[i].getQuadAtlasBounds(dbounds.x, dbounds.y, dbounds.z, dbounds.a);
				arr[i].sprite_region_min = glm::vec2(dbounds.x, height - dbounds.a);
				arr[i].sprite_region_max = glm::vec2(dbounds.z, height - dbounds.y);
			}

			for (uint32_t k = 0; k < required_font_glyph_chars_arr->next; ++k) {
				if ((found_unicode_map & (1ull << k)) != 0) {
					continue;
				}
				pk_arr_append(&arr_glyphs, &req_arr[k]);
			}

			qsort(arr_glyphs.data, arr_glyphs.next, arr_glyphs.stride, SortFontGlyphChar);

			auto f = fopen(path_glyphs, "w+");
			fwrite(arr_glyphs.data, arr_glyphs.stride, arr_glyphs.next, f);
			fclose(f);
			ah_glyphs = AM_Register(path_glyphs, PKE_ASSET_TYPE_UNSET);

			// Cleanup
			msdfgen::destroyFont(font);
		} else {
			fprintf(stderr, "failed to load font");
			return;
		}
		msdfgen::deinitializeFreetype(ft);
	}
	pk_cstr font_title;
	font_title.length = strlen(a->key);
	font_title.reserved = font_title.length + 1;
	// TODO specific bucket?
	font_title.val = pk_new<char>(font_title.reserved);
	snprintf((char *)font_title.val, AssetKeyLength, "%s", a->key);
	assert(ah_image != ah_glyphs && ah_image != AssetHandle_MAX);
	FontType_RegisterFont(font_title, ah_image, ah_glyphs, msdf_settings, &ft_spacing);
}

void GenerateMTSDFGlyph(MSDFGlyphSettings *settings, const char *name) {
	assert(settings != nullptr);
	NULL_CHAR_ARR(src_path, 128);
	NULL_CHAR_ARR(dst_path, 128);
	std::error_code e;
	std::filesystem::create_directory("./glyphs", e);
	sprintf(src_path, "./assets/glyphs/%s.svg", name);
	sprintf(dst_path, "./glyphs/%s.png", name);
	msdfgen::Shape shape;
	if (!msdfgen::loadSvgShape(shape, src_path)) {
		return;
	}
	shape.normalize();
	msdfgen::edgeColoringSimple(shape, 3.0);
	msdfgen::Bitmap<float, 4> mtsdf(settings->width, settings->height);
	msdfgen::Vector2 scale(settings->scale);
	msdfgen::Vector2 em_translation(settings->translate_em, settings->translate_em);
	msdfgen::SDFTransformation t(msdfgen::Projection(scale, em_translation), msdfgen::Range(settings->range_em));
	msdfgen::generateMTSDF(mtsdf, shape, t);
	msdfgen::savePng(mtsdf, dst_path);
}

bool RecordImGui_GenerateMTSDFModal() {
	bool ret_value = false;
	static struct FontTypeMSDFSettings msdf_settings{};
	if (ImGui::BeginPopupModal("MTSDFModal", nullptr, ImGuiWindowFlags_AlwaysAutoResize)) {

		ImGui::InputFloat("Minimum Scale", &msdf_settings.minimum_scale);
		ImGui::InputFloat("Pixel Range", &msdf_settings.px_range);

		ImGui::Text("Select font:");
		ImGui::BeginDisabled(msdf_settings.minimum_scale <= 0.0 || msdf_settings.px_range <= 0.0);
		pk_handle_bucket_index_T asset_bucket_count = AM_GetBucketCount();
		for (pk_handle_bucket_index_T b = 0; b < asset_bucket_count; ++b) {
			pk_handle_item_index_T count;
			auto *assets = AM_GetAssets(b, count);
			for (pk_handle_item_index_T i = 0; i < count; ++i) {
				const auto &asset = assets[i];
				if (asset.handle == EntityHandle_MAX)
					continue;
				if (!PK_HAS_FLAG(asset.type, PKE_ASSET_TYPE_FONT)) {
					continue;
				}
				if (ImGui::Selectable(asset.basePath)) {
					GenerateMTSDF(&msdf_settings, &asset);
					ImGui::CloseCurrentPopup();
				}
			}
		}
		ImGui::EndDisabled();
		ImGui::Separator();
		if (ImGui::Button("Cancel")) {
			ImGui::CloseCurrentPopup();
		}
		ImGui::EndPopup();
	}
	return ret_value;
}

bool RecordImGui_GenerateMTSDFGlyphModal() {
	bool ret_value = false;
	static std::regex reg_svg_file(".+\\.svg$", std::regex_constants::icase);
	static MSDFGlyphSettings msdf_glyph_settings = {
		.width = 80,
		.height = 80,
		.scale = 4,
		.translate_em = 2,
		.range_em = 4,
	};
	if (ImGui::BeginPopupModal("MTSDFGlyphModal", nullptr, ImGuiWindowFlags_AlwaysAutoResize)) {

		ImGui::InputFloat("width", &msdf_glyph_settings.width);
		ImGui::InputFloat("height", &msdf_glyph_settings.height);
		ImGui::InputFloat("scale", &msdf_glyph_settings.scale);
		ImGui::InputFloat("translate_em", &msdf_glyph_settings.translate_em);
		ImGui::InputFloat("range_em", &msdf_glyph_settings.range_em);

		ImGui::Separator();

		ImGui::Text("%s", "Glyphs in asset dir:");
		std::filesystem::directory_iterator di{"assets/glyphs"};
		for (const std::filesystem::directory_entry &sde : di) {
			if (sde.is_regular_file() && std::regex_search(sde.path().c_str(), reg_svg_file)) {
				ImGui::Text("%s", sde.path().filename().c_str());
			}
		}

		ImGui::Separator();

		if (ImGui::Button("Generate")) {
			di = std::filesystem::directory_iterator {"assets/glyphs"};
			for (const std::filesystem::directory_entry &sde : di) {
				if (sde.is_regular_file() && std::regex_search(sde.path().c_str(), reg_svg_file)) {
					GenerateMTSDFGlyph(&msdf_glyph_settings, sde.path().stem().c_str());
				}
			}
			ImGui::CloseCurrentPopup();
		}
		ImGui::SameLine();
		if (ImGui::Button("Cancel")) {
			ImGui::CloseCurrentPopup();
		}
		ImGui::EndPopup();
	}
	return ret_value;
}

void RecordImGuiAssets() {
	if (!ImGui::Begin("AssetList")) {
		ImGui::End();
		return;
	}

	static ImGuiTableFlags tableFlags{
		ImGuiTableFlags_Borders |
		ImGuiTableFlags_RowBg
	};
	if (ImGui::BeginTable("Assets", 7, tableFlags)) {
		ImGui::TableSetupColumn("Controls");
		ImGui::TableSetupColumn("Type");
		ImGui::TableSetupColumn("Handle");
		ImGui::TableSetupColumn("Key");
		ImGui::TableSetupColumn("Data");
		ImGui::TableSetupColumn("Size");
		ImGui::TableSetupColumn("Ref Count");
		ImGui::TableHeadersRow();

		pk_handle_bucket_index_T asset_bucket_count = AM_GetBucketCount();
		for (pk_handle_bucket_index_T b = 0; b < asset_bucket_count; ++b) {
			pk_handle_item_index_T count;
			auto *assets = AM_GetAssets(b, count);
			ImGui::PushID(b);
			for (pk_handle_item_index_T i = 0; i < count; ++i) {
				const auto &asset = assets[i];
				if (asset.handle == EntityHandle_MAX)
					continue;
				ImGui::PushID(i);
				ImGui::TableNextRow();
				ImGui::TableSetColumnIndex(0);
				// buttons go here
				ImGui::TableSetColumnIndex(1);
				ImGui::Text("%i", (uint8_t)asset.type);
				ImGui::TableSetColumnIndex(2);
				ImGui::Text("0x%08X 0x%08X", asset.handle.bucketIndex, asset.handle.itemIndex);
				ImGui::TableSetColumnIndex(3);
				ImGui::Text("%.16s", asset.key);
				ImGui::TableSetColumnIndex(4);
				ImGui::Text("%p", asset.ptr);
				ImGui::TableSetColumnIndex(5);
				ImGui::Text("%li", asset.size);
				ImGui::TableSetColumnIndex(6);
				ImGui::Text("%hhi", asset.referenceCount);
				ImGui::PopID();
			}
			ImGui::PopID();
		}
		ImGui::EndTable();
	}
	ImGui::End();
}

void RecordImGuiCameras() {
	CompInstance *active_inst = nullptr;
	if (!ImGui::Begin("Cameras")) {
		ImGui::End();
		return;
	}
	active_inst = ECS_GetInstance(ActiveCamera->phys.instHandle);
	if (ImGui::Button("Create")) {
		InstPos instPos{};
		instPos.mass = 1.f;
		if (active_inst == nullptr) {
			instPos.posRot.setIdentity();
			instPos.scale = btVector3(1, 1, 1);
		} else {
			active_inst->bt.motionState->getWorldTransform(instPos.posRot);
			instPos.scale = active_inst->bt.rigidBody->getCollisionShape()->getLocalScaling();
		}
		auto &cam = PkeCamera_Register(pk_uuid_zed, instPos);
		cam.phys.targetInstHandle = ActiveCamera->phys.targetInstHandle;
		cam.type = ActiveCamera->type;
		cam.view = ActiveCamera->view;
		cam.isPrimary = false;
		pke_scene_register_camera(editor_mstr.active_scene->scene_handle, cam.camHandle);
	}

	static ImGuiTableFlags tableFlags{
		ImGuiTableFlags_Borders |
		ImGuiTableFlags_RowBg
	};
	if (ImGui::BeginTable("Entities", 8, tableFlags)) {
		ImGui::TableSetupColumn("Interact");
		ImGui::TableSetupColumn("CameraHandle");
		ImGui::TableSetupColumn("Target");
		ImGui::TableSetupColumn("Type");
		ImGui::TableSetupColumn("View");
		ImGui::TableSetupColumn("Stale");
		ImGui::TableSetupColumn("IsPrimary");
		ImGui::TableSetupColumn("Controls");
		ImGui::TableHeadersRow();

		pk_handle_bucket_index_T cameraBucketCount = PkeCamera_GetBucketCount();
		for (pk_handle_bucket_index_T b = 0; b < cameraBucketCount; ++b) {
			pk_handle_item_index_T count;
			auto *cameras = PkeCamera_GetCameras(b, count);
			ImGui::PushID(b);
			for (pk_handle_item_index_T i = 0; i < count; ++i) {
				const auto &cam = cameras[i];
				if (cam.handle == CameraHandle_MAX)
					continue;
				ImGui::PushID(i);
				ImGui::TableNextRow();
				ImGui::TableSetColumnIndex(0);
				ImGui::BeginDisabled(selectedCamera == cam.handle);
				if (ImGui::Button("Show")) {
					selectedCamera = cam.camHandle;
					ActiveCamera = const_cast<PkeCamera *>(&cam);
					ActiveCamera->stale = PKE_CAMERA_STALE_ALL;
				}
				ImGui::SameLine();
				if (ImGui::Button("Select")) {
					selectedEntity = ECS_GetInstance(cam.phys.instHandle);
				}
				ImGui::EndDisabled();
				ImGui::TableSetColumnIndex(1);
				ImGui::Text("0x%08X 0x%08X", cam.handle.bucketIndex, cam.handle.itemIndex);
				ImGui::TableSetColumnIndex(2);
				ImGui::Text("0x%08X 0x%08X", cam.phys.targetInstHandle.bucketIndex, cam.phys.targetInstHandle.itemIndex);
				ImGui::TableSetColumnIndex(3);
				ImGui::Text("%hhu", (unsigned char)cam.type);
				ImGui::TableSetColumnIndex(4);
				ImGui::Text("%hhu", (unsigned char)cam.view);
				ImGui::TableSetColumnIndex(5);
				ImGui::Text("%hhu", (unsigned char)cam.stale);
				ImGui::TableSetColumnIndex(6);
				ImGui::Text("%i", cam.isPrimary);
				ImGui::TableSetColumnIndex(7);
				if (ImGui::Button("Update Position")) {
					InstPos instPos{};
					instPos.mass = 1.f;
					if (active_inst == nullptr) {
						NullCameraInstance.bt.motionState->getWorldTransform(instPos.posRot);
						instPos.scale = NullCameraInstance.bt.rigidBody->getCollisionShape()->getLocalScaling();
					} else {
						active_inst->bt.motionState->getWorldTransform(instPos.posRot);
						instPos.scale = active_inst->bt.rigidBody->getCollisionShape()->getLocalScaling();
					}
					CompInstance *camInst = ECS_GetInstance(cam.phys.instHandle);
					ECS_UpdateInstance(camInst, instPos, true);
				}
				ImGui::SameLine();
				if (ImGui::Button("Make Primary")) {
					PkeCamera_SetPrimary(cam.camHandle);
				}
				ImGui::PopID();
			}
			ImGui::PopID();
		}
		ImGui::EndTable();
	}

	if (selectedCamera != CameraHandle_MAX) {
		// int inputTextFlags = ImGuiInputTextFlags_ReadOnly;
		auto *cam = PkeCamera_Get(selectedCamera);
		if (cam) {
			bool isOrientTarget{bool(static_cast<PkeCameraView_T>(cam->view & PKE_CAMERA_VIEW_TARGET))};
			bool isOrientFree{bool(static_cast<PkeCameraView_T>(cam->view & PKE_CAMERA_VIEW_FREE))};
			bool isPerspective{bool(static_cast<PkeCameraType_T>(cam->type & PKE_CAMERA_TYPE_PERSPECTIVE))};
			bool isOrthogonal{bool(static_cast<PkeCameraType_T>(cam->type & PKE_CAMERA_TYPE_ORTHOGONAL))};
			ImGui::BeginDisabled(isPerspective);
			if (ImGui::Button("Perspective")) {
				cam->type = PKE_CAMERA_TYPE_PERSPECTIVE;
			}
			ImGui::EndDisabled();
			ImGui::SameLine();
			ImGui::BeginDisabled(isOrthogonal);
			if (ImGui::Button("Orthogonal")) {
				cam->type = PKE_CAMERA_TYPE_ORTHOGONAL;
			}
			ImGui::EndDisabled();

			ImGui::BeginDisabled(isOrientTarget);
			if (ImGui::Button("Target")) {
				cam->view = PKE_CAMERA_VIEW_TARGET;
			}
			ImGui::EndDisabled();
			ImGui::SameLine();
			ImGui::BeginDisabled(isOrientFree);
			if (ImGui::Button("Free")) {
				cam->view = PKE_CAMERA_VIEW_FREE;
			}
			ImGui::EndDisabled();


		}
	}

	ImGui::End();
}

void RecordImGuiUBO() {
	if (!ImGui::Begin("UBO", &pkeSettings.editorSettings.isShowingUBO)) {
		ImGui::End();
		return;
	}
	ImGui::Text("Model");
	RecordImGui_GLM("UBO-model", UBO.model);
	ImGui::Text("View");
	RecordImGui_GLM("UBO-view", UBO.view);
	ImGui::Text("Proj");
	RecordImGui_GLM("UBO-proj", UBO.proj);
	ImGui::End();
}

bool RecordImGui_CallbackSelectModal(long &selectedIndex) {
	bool returnValue = false;
	if (ImGui::BeginPopupModal("CallbackSelect", nullptr, ImGuiWindowFlags_AlwaysAutoResize)) {
		long count = 0;
		auto *signatures = PkePlugin_GetSortedSignatures(count);
		for (long i = 0; i < count; ++i) {
			const CallbackSignature &sig = signatures[i];
			if (ImGui::Selectable(sig, selectedIndex == i)) {
				returnValue = true;
				selectedIndex = i;
			}
		}
		ImGui::EndPopup();
	}
	return returnValue;
}

void RecordImGuiModalCreateEntityType() {
	if (ImGui::BeginPopupModal("CreateEntityType", nullptr, ImGuiWindowFlags_AlwaysAutoResize)) {
		static char entityTypeCode[32] = {'\0'};
		static char createInstanceSig[CallbackSignatureLength + 1] = {'\0'};
		static AssetPickerSearchStruct apssModel{
			.source = {"cet_mdl"},
			.safeKey = {""},
			.type = PKE_ASSET_TYPE_MODEL,
		};
		static AssetPickerSearchStruct apssTexture{
			.source = {"cet_txr"},
			.safeKey = {""},
			.type = PKE_ASSET_TYPE_TEXTURE,
		};

		if (ImGui::Button("Model Key")) {
			ImGui::OpenPopup(apssModel.source);
		}
		ImGui::SameLine();
		ImGui::Text("%s", apssModel.safeKey);
		ImGui::InputText("Entity Type Code", entityTypeCode, 31);

		static long index = -1;
		if (ImGui::Button("Clear")) {
			index = -1;
			createInstanceSig[0] = '\0';
		}
		ImGui::SameLine();
		if (ImGui::Button("Change")) {
			index = -1;
			ImGui::OpenPopup("CallbackSelect");
		}
		ImGui::SameLine();
		ImGui::Text("Collision Callback: '%s'", createInstanceSig);
		if (RecordImGui_CallbackSelectModal(index)) {
			long x = 0;
			memcpy(createInstanceSig, PkePlugin_GetSortedSignatures(x)[index], CallbackSignatureLength);
		}

		ImGui::InputScalar("Sub-Types", ImGuiDataType_S64, &entityTypeToCreate.detailsCount);
		ImGui::SameLine();
		if (ImGui::Button("-")) {
			entityTypeToCreate.detailsCount -= 1;
		}
		entityTypeToCreate.detailsCount = entityTypeToCreate.detailsCount < 1 ? 1 : entityTypeToCreate.detailsCount;
		ImGui::SameLine();
		if (ImGui::Button("+")) {
			entityTypeToCreate.detailsCount += 1;
			entityTypeToCreate.detailsCount = entityTypeToCreate.detailsCount > EntityTypeDetails_MAX ? EntityTypeDetails_MAX : entityTypeToCreate.detailsCount;
		}

		for (int64_t i = 0; i < entityTypeToCreate.detailsCount; ++i) {
			auto &etd = entityTypeToCreate.details[i];
			ImGui::Separator();
			RecordImGui_AssetPicker(apssModel);
			if (ImGui::Button("Texture Key")) {
				ImGui::OpenPopup(apssTexture.source);
			}
			ImGui::SameLine();
			ImGui::Text("%s", apssTexture.safeKey);
			RecordImGui_AssetPicker(apssTexture);
			ImGui::InputScalar("Starting Instance Count", ImGuiDataType_U32, &etd.startingInstanceCount);
			ImGui::InputFloat("Physics - Mass", &etd.bt.startingMass);
			ImGui::InputScalar("Physics - Collision Layer", ImGuiDataType_U16, &etd.bt.startingCollisionLayer);
			ImGui::InputScalar("Physics - Collision Mask", ImGuiDataType_U16, &etd.bt.startingCollisionMask);
		}

		ImGui::Separator();

		bool shouldReset = false;
		if (ImGui::Button("Create")) {
			// TODO some type of validation

			strncpy(entityTypeToCreate.createInstanceCallback.name, createInstanceSig, CallbackSignatureLength);
			strncpy(entityTypeToCreate.modelAssetKey, apssModel.safeKey, AssetKeyLength);
			// TODO this needs to be an array
			strncpy(entityTypeToCreate.details[0].textureAssetKey, apssTexture.safeKey, AssetKeyLength);

			char *sEntityTypeCode = pk_new<char>(strlen(entityTypeCode) + 1);
			strncpy(sEntityTypeCode, entityTypeCode, 31);
			entityTypeToCreate.entityTypeCode.val = sEntityTypeCode;

			shouldCreateEntityType = true;

			shouldReset = true;
		}
		ImGui::SameLine();
		if (ImGui::Button("Cancel")) {
			shouldReset = true;
		}

		if (shouldReset) {
			createInstanceSig[0] = '\0';
			apssModel.safeKey[0] = '\0';
			apssTexture.safeKey[0] = '\0';
			entityTypeCode[0] = '\0';
			createInstanceSig[CallbackSignatureLength] = '\0';
			apssModel.safeKey[AssetKeyLength] = '\0';
			apssTexture.safeKey[AssetKeyLength] = '\0';
			entityTypeCode[31] = '\0';
			ImGui::CloseCurrentPopup();
		}

		ImGui::EndPopup();
	}
}

void RecordImGuiLevels() {
	if (!ImGui::Begin("Levels")) {
		ImGui::End();
		return;
	}
	static ImGuiTableFlags tableFlags{
		ImGuiTableFlags_Borders |
		ImGuiTableFlags_RowBg
	};
	if (ImGui::BeginTable("PkeLevels", 3, tableFlags)) {
		ImGui::TableSetupColumn("Name");
		ImGui::TableSetupColumn("Handle");
		ImGui::TableHeadersRow();
		pk_handle_bucket_index_T b, bb;
		pk_handle_item_index_T i, ii;
		PkeLevel *lvls;
		bb = pke_level_get_bucket_count();
		for (b = 0; b < bb; ++b) {
			lvls = pke_level_get_levels(b, &ii);
			for (i = 0; i < ii; ++i) {
				ImGui::TableNextRow();
				ImGui::TableSetColumnIndex(0);
				ImGui::Text("%s", lvls[i].name);
				ImGui::TableSetColumnIndex(1);
				ImGui::Text("0x%08X 0x%08X", b, i);
			}
		}
		ImGui::EndTable();
	}
	ImGui::End();
}

void RecordImGui_CompGrBinds(bool readonly, CompGrBinds *component) {
	if (component == nullptr) return;
	int inputTextFlags = 0;
	if (readonly)
		inputTextFlags |= ImGuiInputTextFlags_ReadOnly;

	ImGui::Text("CompGRBinds");
	ImGui::Separator();

	if (component->vkPipelineLayout)
		ImGui::InputScalar("VkPipelineLayout", ImGuiDataType_U64, &component->vkPipelineLayout, nullptr, nullptr, "0x%016lX", ImGuiInputTextFlags_ReadOnly);
	if (component->vkDescriptorSets){
		ImGui::InputScalarN("VkPipelineDescriptorSets", ImGuiDataType_U64, &component->vkDescriptorSets, swapchainLength, nullptr, nullptr, "0x%016lX", ImGuiInputTextFlags_ReadOnly);
	}

	if (component->vertexBD.buffer)
		ImGui::InputScalar("VkVertexBuffer", ImGuiDataType_U64, &component->vertexBD.buffer, nullptr, nullptr, "0x%016lX", ImGuiInputTextFlags_ReadOnly);
	ImGui::InputScalar("VertexFirstBinding", ImGuiDataType_U32, &component->vertexBD.firstBinding, nullptr, nullptr, nullptr, inputTextFlags);
	ImGui::InputScalar("VertexBindingCount", ImGuiDataType_U32, &component->vertexBD.bindingCount, nullptr, nullptr, nullptr, inputTextFlags);
	ImGui::InputScalar("VertexOffsets", ImGuiDataType_U64, &component->vertexBD.offsets[0], nullptr, nullptr, nullptr, inputTextFlags);

	if (component->normalsBD.buffer)
		ImGui::InputScalar("VkNormalBuffer", ImGuiDataType_U64, &component->normalsBD.buffer, nullptr, nullptr, "0x%016lX", ImGuiInputTextFlags_ReadOnly);
	ImGui::InputScalar("NormalFirstBinding", ImGuiDataType_U32, &component->normalsBD.firstBinding, nullptr, nullptr, nullptr, inputTextFlags);
	ImGui::InputScalar("NormalBindingCount", ImGuiDataType_U32, &component->normalsBD.bindingCount, nullptr, nullptr, nullptr, inputTextFlags);
	ImGui::InputScalar("NormalOffsets", ImGuiDataType_U64, &component->normalsBD.offsets[0], nullptr, nullptr, nullptr, inputTextFlags);

	if (component->uvBD.buffer)
		ImGui::InputScalar("VkUVBuffer", ImGuiDataType_U64, &component->uvBD.buffer, nullptr, nullptr, "0x%016lX", ImGuiInputTextFlags_ReadOnly);
	ImGui::InputScalar("UVFirstBinding", ImGuiDataType_U32, &component->uvBD.firstBinding, nullptr, nullptr, nullptr, inputTextFlags);
	ImGui::InputScalar("UVBindingCount", ImGuiDataType_U32, &component->uvBD.bindingCount, nullptr, nullptr, nullptr, inputTextFlags);
	ImGui::InputScalar("UVOffsets", ImGuiDataType_U64, &component->uvBD.offsets[0], nullptr, nullptr, nullptr, inputTextFlags);

	if (component->indexBD.buffer)
		ImGui::InputScalar("VkIndexBuffer", ImGuiDataType_U64, &component->indexBD.buffer, nullptr, nullptr, "0x%016lX", ImGuiInputTextFlags_ReadOnly);
	ImGui::InputScalar("IndexBindingCount", ImGuiDataType_U32, &component->indexBD.firstBinding, nullptr, nullptr, nullptr, inputTextFlags);
	ImGui::InputScalar("IndexOffsets", ImGuiDataType_U64, &component->indexBD.offsets[0], nullptr, nullptr, nullptr, inputTextFlags);
	ImGui::InputScalar("IndexCount", ImGuiDataType_U32, &component->indexCount, nullptr, nullptr, nullptr, inputTextFlags);

	if (component->instanceBD.buffer)
		ImGui::InputScalar("VkInstanceBuffer", ImGuiDataType_U64, &component->instanceBD.buffer, nullptr, nullptr, "0x%016lX", ImGuiInputTextFlags_ReadOnly);
	ImGui::InputScalar("InstanceFirstBinding", ImGuiDataType_U32, &component->instanceBD.firstBinding, nullptr, nullptr, nullptr, inputTextFlags);
	ImGui::InputScalar("InstanceBindingCount", ImGuiDataType_U32, &component->instanceBD.bindingCount, nullptr, nullptr, nullptr, inputTextFlags);
	ImGui::InputScalar("InstanceOffsets", ImGuiDataType_U64, &component->instanceBD.offsets[0], nullptr, nullptr, nullptr, inputTextFlags);

	ImGui::InputScalar("InstanceBufferMaxCount", ImGuiDataType_U32, &component->instanceBufferMaxCount, nullptr, nullptr, nullptr, ImGuiInputTextFlags_ReadOnly);
	ImGui::InputScalar("Instance Count", ImGuiDataType_U32, &component->instanceCounter, nullptr, nullptr, nullptr, ImGuiInputTextFlags_ReadOnly);

	static long index = -1;
	if (ImGui::Button("Clear")) {
		index = -1;
		component->collisionCallback.name[0] = '\0';
	}
	ImGui::SameLine();
	if (ImGui::Button("Change")) {
		index = -1;
		ImGui::OpenPopup("CallbackSelect");
	}
	ImGui::SameLine();
	ImGui::Text("Collision Callback: '%s'", component->collisionCallback.name);
	if (RecordImGui_CallbackSelectModal(index)) {
		long x = 0;
		memcpy(component->collisionCallback.name, PkePlugin_GetSortedSignatures(x)[index], CallbackSignatureLength);
		PkePlugin_SetSignatureFunc(&component->collisionCallback);
	}

	ImGui::Spacing();
}

void RecordImGui_CompInstPos(bool readonly, CompInstance *component) {
	if (component == nullptr) return;
	int inputTextFlags = 0;
	if (readonly)
		inputTextFlags |= ImGuiInputTextFlags_ReadOnly;

	ImGui::Text("CompInststance + InstPos");
	ImGui::Separator();

	bool changed = false;
	InstPos instPos;
	component->bt.motionState->getWorldTransform(instPos.posRot);
	instPos.scale = component->bt.rigidBody->getCollisionShape()->getLocalScaling();
	instPos.mass = component->bt.rigidBody->getMass();

	btVector3 pos = instPos.posRot.getOrigin();
	btQuaternion rot = instPos.posRot.getRotation();
	glm::vec3 eul;
	rot.getEulerZYX(eul.z, eul.y, eul.x);
	eul = glm::degrees(eul);

	ImGui::Text("InstanceHandle: 0x%08X 0x%08X", component->instanceHandle.bucketIndex, component->instanceHandle.itemIndex);
	changed = ImGui::InputScalar("Instance Index", ImGuiDataType_U64, &component->index, nullptr, nullptr, nullptr, ImGuiInputTextFlags_ReadOnly) || changed;
	changed = ImGui::InputScalarN("pos", ImGuiDataType_Float, &pos, 3, nullptr, nullptr, nullptr, inputTextFlags) || changed;
	changed = ImGui::InputScalarN("rot (eul)", ImGuiDataType_Float, &eul, 3, nullptr, nullptr, nullptr, inputTextFlags) || changed;
	changed = ImGui::InputScalarN("scale", ImGuiDataType_Float, &instPos.scale, 3, nullptr, nullptr, nullptr, inputTextFlags) || changed;
	changed = ImGui::InputFloat("mass", &instPos.mass, 0.0, 0.0, "%.3f", inputTextFlags) || changed;

	changed = ImGui::InputScalar("Phys - Collision Layer", ImGuiDataType_U16, &component->physicsLayer, nullptr, nullptr, nullptr, inputTextFlags) || changed;
	changed = ImGui::InputScalar("Phys - Collision Mask", ImGuiDataType_U16, &component->physicsMask, nullptr, nullptr, nullptr, inputTextFlags) || changed;

	static long index = -1;
	if (ImGui::Button("Clear")) {
		index = -1;
		component->collisionCallback.name[0] = '\0';
	}
	ImGui::SameLine();
	if (ImGui::Button("Change")) {
		index = -1;
		ImGui::OpenPopup("CallbackSelect");
	}
	ImGui::SameLine();
	ImGui::Text("Collision Callback: '%s'", component->collisionCallback.name);
	if (RecordImGui_CallbackSelectModal(index)) {
		long x = 0;
		memcpy(component->collisionCallback.name, PkePlugin_GetSortedSignatures(x)[index], 16);
		PkePlugin_SetSignatureFunc(&component->collisionCallback);
	}

	ImGui::InputScalar("Phys - Rigid Body", ImGuiDataType_U64, &component->bt.rigidBody, nullptr, nullptr, "0x%016lX", ImGuiInputTextFlags_ReadOnly);
	ImGui::InputScalar("Phys - Motion State", ImGuiDataType_U64, &component->bt.motionState, nullptr, nullptr, "0x%016lX", ImGuiInputTextFlags_ReadOnly);

	// exclude EntityHandle_MAX so you can't target via the NullCamera
	ImGui::BeginDisabled(ActiveCamera->handle == component->entHandle || ActiveCamera->handle == EntityHandle_MAX || ActiveCamera->phys.instHandle == InstanceHandle_MAX || PkeCamera_Get(selectedEntity->entHandle) != nullptr);
	if (ImGui::Button("Set Active Camera Target")) {
		PkeCamera_TargetInstance(ActiveCamera->camHandle, component);
	}
	ImGui::SameLine();
	ImGui::Text("Active Camera: 0x%08X 0x%08X", ActiveCamera->handle.bucketIndex, ActiveCamera->handle.itemIndex);
	ImGui::EndDisabled();

	if (changed) {
		instPos.posRot.setOrigin(pos);
		eul = glm::radians(eul);
		rot.setEulerZYX(eul.z, eul.y, eul.x);
		instPos.posRot.setRotation(rot);
		auto *broadphase = component->bt.rigidBody->getBroadphaseProxy();
		broadphase->m_collisionFilterGroup = static_cast<PhysicsCollision_T>(component->physicsLayer);
		broadphase->m_collisionFilterMask = static_cast<PhysicsCollision_T>(component->physicsMask);
		ECS_UpdateInstance(component, instPos, true);
	}

	ImGui::Spacing();
}

void RecordImGuiProjectSettingsEditor() {
	if (!ImGui::Begin("ProjectSettings")) {
		ImGui::End();
		return;
	}

	if (ImGui::Button("Save")) {
		shouldSaveProjectFile = true;
	}

	ImGui::End();
}

struct fsEntry {
	int type = 0;
	char *name = nullptr;
	char *path = nullptr;
	DynArray<fsEntry> children{0, nullptr};
};
DynArray<fsEntry> fsEntries{0, nullptr};
std::regex reg_sceneFile(".+\\.ps[tb]f$", std::regex_constants::icase);
int fsEntryComp(const void *a, const void *b) {
	const auto &fsA = *static_cast<const fsEntry *>(a);
	const auto &fsB = *static_cast<const fsEntry *>(b);
	if (fsA.type == fsB.type) {
		return strcmp(fsA.name, fsB.name);
	}
	auto cmp = fsA.type <=> fsB.type;
	if (cmp == std::strong_ordering::less) {
		return -1;
	}
	if (cmp == std::strong_ordering::greater) {
		return 1;
	}
	return 0;
}
void SortRecursive(DynArray<fsEntry> &arr) {
	std::qsort(arr.GetPtr(), arr.Count(), sizeof(fsEntry), fsEntryComp);
	for (long i = 0; i < arr.Count(); ++i) {
		SortRecursive(arr[i].children);
	}
}
void BuildDirRecursive(const std::filesystem::directory_entry &de, fsEntry *dirFsEntry) {
	auto &entry = dirFsEntry == nullptr ? fsEntries.Push() : dirFsEntry->children.Push();
	auto fullPath = std::filesystem::absolute(de.path());
	auto len = strlen(fullPath.c_str());
	// TODO leaky
	entry.path = pk_new<char>(len + 1);
	memset(entry.path, '\0', len + 1);
	memcpy(entry.path, fullPath.c_str(), len);
	len = strlen(fullPath.filename().c_str());
	// TODO leaky
	entry.name = pk_new<char>(len + 1);
	memset(entry.name, '\0', len + 1);
	memcpy(entry.name, fullPath.filename().c_str(), len);

	if (de.is_regular_file()) {
		if (std::regex_search(fullPath.c_str(), reg_sceneFile)) {
			entry.type = 1;
		}
	} else if (de.is_directory()) {
		entry.type = 0;
		std::filesystem::directory_iterator di{fullPath};
		for (const std::filesystem::directory_entry &sde : di) {
			if (sde.is_directory()
					|| (sde.is_regular_file() && std::regex_search(sde.path().c_str(), reg_sceneFile))
			) {
				BuildDirRecursive(sde, &entry);
			}
		}
	}
}
void BuildProjectMenuRecursive(fsEntry &entry) {
	if (entry.type == 1) {
		if (ImGui::Selectable(entry.name, false, ImGuiSelectableFlags_AllowDoubleClick) && ImGui::IsMouseDoubleClicked(0)) {
			assert(editor_mstr.target_scene_path.val == nullptr);
			editor_mstr.target_scene_path.length = strlen(entry.name);
			editor_mstr.target_scene_path.reserved = editor_mstr.target_scene_path.length + 1;
			editor_mstr.target_scene_path.val = pk_new<char>(editor_mstr.target_scene_path.reserved);
			strncpy(editor_mstr.target_scene_path.val, entry.name, editor_mstr.target_scene_path.reserved);
			ActiveCamera = &NullCamera;
		}
	} else if (entry.type == 0) {
		if (ImGui::TreeNode(entry.name)) {
			for (long i = 0; i < entry.children.Count(); ++i) {
				BuildProjectMenuRecursive(entry.children[i]);
			}
			ImGui::TreePop();
		}
	}
}
void RecordImGuiProjectBrowser() {
	if (!ImGui::Begin("ProjectBrowser")) {
		ImGui::End();
		return;
	}
	if (shouldRebuildProjectDir == true) {
		shouldRebuildProjectDir = false;
		fsEntries.Resize(0);
		std::filesystem::directory_iterator di{std::filesystem::current_path()};
		for (const std::filesystem::directory_entry &sde : di) {
			if (sde.is_directory()
				|| (sde.is_regular_file() && std::regex_search(sde.path().c_str(), reg_sceneFile))
			) {
				BuildDirRecursive(sde, nullptr);
			}
		}
		SortRecursive(fsEntries);
	}
	for (long i = 0; i < fsEntries.Count(); ++i) {
		BuildProjectMenuRecursive(fsEntries[i]);
	}
	ImGui::End();
}

void RecordImGuiSceneBrowser() {
	NULL_CHAR_ARR(text, 128);
	CompInstance *instances;
	EntityType *entType;
	pk_handle_bucket_index_T bucketCount, i;
	pk_handle_item_index_T itemCount, k;
	if (!ImGui::Begin("SceneBrowser", &pkeSettings.editorSettings.isShowingSceneEditor)) {
		ImGui::End();
		return;
	}

	bucketCount = ECS_GetInstances_BucketCount();
	for (i = 0; i < bucketCount; ++i) {
		instances = ECS_GetInstances(0, itemCount);
		for (k = 0; k < itemCount; ++k) {
			if (instances[k].instanceHandle == InstanceHandle_MAX) continue;
			entType = EntityType_FindByEntityHandle(instances[k].entHandle);
			sprintf(text, "%s: %08x %08x", entType != nullptr ? entType->entityTypeCode.val : "(no type)", instances[k].instanceHandle.bucketIndex, instances[k].instanceHandle.itemIndex);
			if (ImGui::Button(text)) {
				selectedEntity = &instances[k];
			}
		}
	}

	ImGui::End();
}

void RecordImGuiSceneEditor() {
	if (!ImGui::Begin("SceneEditorEntityTypes", &pkeSettings.editorSettings.isShowingSceneEditor)) {
		ImGui::End();
		return;
	}
	if (ImGui::Button("Create Asset")) {
		ImGui::OpenPopup("CreateAsset");
	}
	if (ImGui::Button("Create Entity Type")) {
		ImGui::OpenPopup("CreateEntityType");
	}
	if (ImGui::Button("Generate MTSDF")) {
		ImGui::OpenPopup("MTSDFModal");
	}
	if (ImGui::Button("Generate UI MTSDFs")) {
		ImGui::OpenPopup("MTSDFGlyphModal");
	}
	if (ImGui::Button("Clear Selection")) {
		selectedEntity = nullptr;
	}

	ImGui::Spacing();

	if (selectedEntity != nullptr) {
		static pk_arr_t<CompGrBinds *> entGrBinds;
		static pk_arr_t<CompInstance *> entInstances;
		static EntityType *entType;
		bool reset = false;
		if (entGrBinds.next > 0) {
			if (entGrBinds[0]->entHandle != selectedEntity->entHandle) {
				reset = true;
			}
		} else if (entInstances.next > 0) {
			if (entInstances[0]->entHandle != selectedEntity->entHandle) {
				reset = true;
			}
		}
		if (reset) {
			pk_arr_clear(&entGrBinds);
			pk_arr_clear(&entInstances);
			entType = nullptr;
		}
		if (entGrBinds.next == 0)
			ECS_GetGrBinds(ECS_GetEntity(selectedEntity->entHandle), entGrBinds);
		if (entInstances.next == 0)
			ECS_GetInstances(ECS_GetEntity(selectedEntity->entHandle), entInstances);
		if (entGrBinds.next > 0) {
			if (ImGui::Button("Create Instance")) {
				Entity_Base *entity = ECS_GetEntity(selectedEntity->entHandle);
				auto *entityType = static_cast<EntityType *>(entity);
				entityInstancesToCreate.Push(entityType);
			}
		}
		entType = EntityType_FindByEntityHandle(selectedEntity->entHandle);
		if (entType != nullptr) {
			ImGui::Text("%s: %s", "EntType: ", entType->entityTypeCode.val);
		} else {
			ImGui::Text("%s: %s", "EntType: ", "Unknown");
		}
		ImGui::Text("%s: %08x %08x", "Entity Handle: ", selectedEntity->entHandle.bucketIndex, selectedEntity->entHandle.itemIndex);
		for (int64_t i = 0; i < entGrBinds.next; ++i) {
			RecordImGui_CompGrBinds(true, entGrBinds[i]);
		}
		for (int64_t i = 0; i < entInstances.next; ++i) {
			RecordImGui_CompInstPos(false, entInstances[i]);
		}
	}

	RecordImGuiModalCreateAsset();
	RecordImGuiModalCreateEntityType();
	RecordImGui_GenerateMTSDFModal();
	RecordImGui_GenerateMTSDFGlyphModal();

	ImGui::End();
}

void PkeEditor_RecordImGui() {
	if (pkeSettings.isShowingEditor) {
		RecordImGuiEditorWrapper();
		RecordImGuiProjectSettingsEditor();
		RecordImGuiProjectBrowser();
		RecordImGuiSceneBrowser();
		RecordImGuiSceneEditor();
		RecordImGuiUBO();
		RecordImGuiCameras();
		RecordImGuiLevels();
		RecordImGuiEntityTypes();
		RecordImGuiAssets();
		Game_RecordImGui();
	}
}

void PkeEditor_Setup() {
	shouldSetupEditor = false;
	PkeInput_ActivateSet(debugControlsHandle);
}

void PkeEditor_Disable() {
	shouldDisableEditor = false;
	if (debugControlsHandle != InputActionSetHandle_MAX)
		PkeInput_DeactivateSet(debugControlsHandle);
}

void PkeEditor_Teardown() {
	PkeEditor_Disable();
	if (subProgramPid != -1) {
		kill(subProgramPid, SIGINT);
	}
	if (threadPoolHandle != ThreadPoolHandle_MAX)
		PkeThreads_Teardown(threadPoolHandle);
	entityInstancesToCreate.~DynArray();
}

void PkeEditor_Init() {
	PkeInputSet debugControlsSet;
	debugControlsSet.title = "debug-editor-controls";
	debugControlsSet.actionCount = 14;
	debugControlsSet.actions = pk_new<PkeInputAction>(debugControlsSet.actionCount);

	debugControlsSet.actions[0].name = dbgCtrl_CameraLeft;
	debugControlsSet.actions[0].primaryHash = PkeInputEventMask {
		.computedHash = PKE_INPUT_HASH_ALL_KEY_EVENTS,
		.button = GLFW_KEY_A,
	};
	debugControlsSet.actions[1].name = dbgCtrl_CameraRight;
	debugControlsSet.actions[1].primaryHash = PkeInputEventMask {
		.computedHash = PKE_INPUT_HASH_ALL_KEY_EVENTS,
		.button = GLFW_KEY_D,
	};
	debugControlsSet.actions[2].name = dbgCtrl_CameraForward;
	debugControlsSet.actions[2].primaryHash = PkeInputEventMask {
		.computedHash = PKE_INPUT_HASH_ALL_KEY_EVENTS,
		.button = GLFW_KEY_W,
	};
	debugControlsSet.actions[3].name = dbgCtrl_CameraBack;
	debugControlsSet.actions[3].primaryHash = PkeInputEventMask {
		.computedHash = PKE_INPUT_HASH_ALL_KEY_EVENTS,
		.button = GLFW_KEY_S,
	};
	debugControlsSet.actions[4].name = dbgCtrl_CameraUp;
	debugControlsSet.actions[4].primaryHash = PkeInputEventMask {
		.computedHash = PKE_INPUT_HASH_ALL_KEY_EVENTS,
		.button = GLFW_KEY_R,
	};
	debugControlsSet.actions[5].name = dbgCtrl_CameraDown;
	debugControlsSet.actions[5].primaryHash = PkeInputEventMask {
		.computedHash = PKE_INPUT_HASH_ALL_KEY_EVENTS,
		.button = GLFW_KEY_F,
	};
	debugControlsSet.actions[6].name = dbgCtrl_CameraRotCC;
	debugControlsSet.actions[6].primaryHash = PkeInputEventMask {
		.computedHash = PKE_INPUT_HASH_ALL_KEY_EVENTS,
		.button = GLFW_KEY_Q,
	};
	debugControlsSet.actions[7].name = dbgCtrl_CameraRotC;
	debugControlsSet.actions[7].primaryHash = PkeInputEventMask {
		.computedHash = PKE_INPUT_HASH_ALL_KEY_EVENTS,
		.button = GLFW_KEY_E,
	};
	debugControlsSet.actions[8].name = dbgCtrl_CameraRot;
	debugControlsSet.actions[8].primaryHash = PkeInputEventMask {
		.computedHash = PKE_INPUT_HASH_ALL_CURSOR_POS_EVENTS,
	};
	debugControlsSet.actions[9].name = dbgCtrl_CameraButtonMask;
	debugControlsSet.actions[9].primaryHash = PkeInputEventMask {
		.computedHash = PKE_INPUT_HASH_ALL_MOUSE_BUTTON_EVENTS,
		.button = GLFW_MOUSE_BUTTON_MIDDLE,
	};
	debugControlsSet.actions[10].name = dbgCtrl_SelectHovered;
	debugControlsSet.actions[10].primaryHash = PkeInputEventMask {
		.computedHash = PKE_INPUT_HASH_ALL_MOUSE_BUTTON_EVENTS,
		.button = GLFW_MOUSE_BUTTON_LEFT,
	};
	debugControlsSet.actions[11].name = dbgCtrl_ClearSelection;
	debugControlsSet.actions[11].primaryHash = PkeInputEventMask {
		.computedHash = PKE_INPUT_HASH_ALL_MOUSE_BUTTON_EVENTS,
		.button = GLFW_MOUSE_BUTTON_RIGHT,
	};
	debugControlsSet.actions[12].name = dbgCtrl_DeleteSelectedItem;
	debugControlsSet.actions[12].primaryHash = PkeInputEventMask {
		.computedHash = PKE_INPUT_HASH_ALL_KEY_EVENTS,
		.button = GLFW_KEY_DELETE,
	};
	debugControlsSet.actions[13].name = dbgCtrl_ImGui_Toggle;
	debugControlsSet.actions[13].primaryHash = PkeInputEventMask {
		.computedHash = PKE_INPUT_HASH_ALL_KEY_EVENTS,
		.button = GLFW_KEY_F1,
	};

	debugControlsHandle = PkeInput_RegisterSet(debugControlsSet);

	btTransform trfm{};
	trfm.setIdentity();
	trfm.setOrigin(btVector3(-40.f, -40.f, -40.f));
	trfm.setRotation(btQuaternion(0.f, 0.f, 0.f, 1.f));

	NullCameraInstance.bt.motionState->setWorldTransform(trfm);
	NullCameraInstance.bt.rigidBody->setWorldTransform(trfm);
	NullCameraInstance.bt.rigidBody->activate();
	NullCamera.type = PKE_CAMERA_TYPE_PERSPECTIVE,
	NullCamera.view = PKE_CAMERA_VIEW_FREE,
	NullCamera.stale = PKE_CAMERA_STALE_ALL,

	threadPoolHandle = PkeThreads_Init(1, 1);
}