initial commit

.gitignore

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+build/bin/
+build/x64
+build/obj/
+build/.vs
+libs/openvr/samples
+libs/openvr_newer
+tools/sort_points/bin/
+tools/sort_points/obj/
+tools/sort_points/.vs
+tools/sort_points/Sort_Frugal/Debug
+tools/sort_points/Sort_Frugal/Release
+tools/sort_points/Sort_Frugal/.vs
+imgui.ini
+build/Release/laszip.exp
+build/Release/laszip.lib
+build/Debug/*
+build/laszip.dir
+build/laszip/CMakeFiles/
+build/laszip/laszip.dir/
+build/laszip/Release/
+build/laszip/Debug/
+build/Release/laszip.dll
+build/

.vscode/keybindings.json

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+// Place your key bindings in this file to overwrite the defaults
+[
+	{
+		"key": "ctrl+l",
+		"command": "editor.action.deleteLines",
+		"when": "editorTextFocus && !editorReadonly"
+	},{
+		"key": "ctrl+shift+i",
+		"command": "editor.action.toggleRenderWhitespace"
+	},{
+		"key": "ctrl+d",
+		"command": "editor.action.copyLinesDownAction"
+	},{
+		"key": "alt+2",
+		"command": "type",
+		"args": {
+			"text": "`"
+		}
+	}
+]

.vscode/launch.json

@@ -0,0 +1,18 @@
+{
+	// Use IntelliSense to learn about possible attributes.
+	// Hover to view descriptions of existing attributes.
+	// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+	"version": "0.2.0",
+	"configurations": [
+		{
+			"type": "node",
+			"request": "launch",
+			"name": "Launch Program",
+			// "skipFiles": [
+			// 	"<node_internals>/**"
+			// ],
+			"program": "${file}",
+			"cwd": "${fileDirname}"
+		}
+	]
+}

.vscode/settings.json

@@ -0,0 +1,113 @@
+{
+	"workbench.editor.enablePreview": false,
+	"files.associations": {
+		"*.cs": "cpp",
+		"*.wgsl": "cpp",
+		"*.vs": "cpp",
+		"*.fs": "cpp",
+		"cmath": "cpp",
+		"unordered_map": "cpp",
+		"chrono": "cpp",
+		"atomic": "cpp",
+		"xstring": "cpp",
+		"algorithm": "cpp",
+		"array": "cpp",
+		"bit": "cpp",
+		"cctype": "cpp",
+		"charconv": "cpp",
+		"clocale": "cpp",
+		"compare": "cpp",
+		"concepts": "cpp",
+		"cstdarg": "cpp",
+		"cstddef": "cpp",
+		"cstdint": "cpp",
+		"cstdio": "cpp",
+		"cstdlib": "cpp",
+		"cstring": "cpp",
+		"ctime": "cpp",
+		"cwchar": "cpp",
+		"deque": "cpp",
+		"exception": "cpp",
+		"filesystem": "cpp",
+		"format": "cpp",
+		"forward_list": "cpp",
+		"fstream": "cpp",
+		"functional": "cpp",
+		"initializer_list": "cpp",
+		"iomanip": "cpp",
+		"ios": "cpp",
+		"iosfwd": "cpp",
+		"iostream": "cpp",
+		"istream": "cpp",
+		"iterator": "cpp",
+		"limits": "cpp",
+		"list": "cpp",
+		"locale": "cpp",
+		"map": "cpp",
+		"memory": "cpp",
+		"mutex": "cpp",
+		"new": "cpp",
+		"optional": "cpp",
+		"ostream": "cpp",
+		"queue": "cpp",
+		"random": "cpp",
+		"ratio": "cpp",
+		"sstream": "cpp",
+		"stdexcept": "cpp",
+		"stop_token": "cpp",
+		"streambuf": "cpp",
+		"string": "cpp",
+		"system_error": "cpp",
+		"thread": "cpp",
+		"tuple": "cpp",
+		"type_traits": "cpp",
+		"typeinfo": "cpp",
+		"utility": "cpp",
+		"vector": "cpp",
+		"xfacet": "cpp",
+		"xhash": "cpp",
+		"xiosbase": "cpp",
+		"xlocale": "cpp",
+		"xlocbuf": "cpp",
+		"xlocinfo": "cpp",
+		"xlocmes": "cpp",
+		"xlocmon": "cpp",
+		"xlocnum": "cpp",
+		"xloctime": "cpp",
+		"xmemory": "cpp",
+		"xstddef": "cpp",
+		"xtr1common": "cpp",
+		"xtree": "cpp",
+		"xutility": "cpp",
+		"valarray": "cpp",
+		"stack": "cpp",
+		"codecvt": "cpp",
+		"condition_variable": "cpp",
+		"execution": "cpp",
+		"numeric": "cpp",
+		"set": "cpp",
+		"shared_mutex": "cpp",
+		"variant": "cpp",
+		"hash_map": "cpp",
+		"__config": "cpp",
+		"__threading_support": "cpp",
+		"target": "cpp",
+		"bitset": "cpp"
+	},
+	"files.trimTrailingWhitespace": false,
+	"editor.fontSize": 20,
+	"editor.autoIndent": "advanced",
+	"editor.detectIndentation": false,
+	"editor.renderWhitespace": "all",
+	"editor.insertSpaces": false,
+	"editor.minimap.enabled": false,
+	"editor.autoClosingBrackets": "never",
+	"editor.formatOnType": false,
+	"editor.acceptSuggestionOnEnter": "off",
+	"editor.acceptSuggestionOnCommitCharacter": false,
+	"terminal.integrated.fontSize": 20,
+	"markdown.preview.fontSize": 20,
+	"editor.autoClosingQuotes": "never",
+	"editor.autoSurround": "never",
+	"C_Cpp.errorSquiggles": "Enabled",
+}

.vscode/tasks.json

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+{
+	// See https://go.microsoft.com/fwlink/?LinkId=733558
+	// for the documentation about the tasks.json format
+	"version": "2.0.0",
+	"tasks": [
+		{
+			"label": "Run App",
+			"type": "shell",
+			"command": "./Skye.exe",
+			"options": {
+				"cwd": "./bin/Release_x64"
+			},
+			"group": {
+				"kind": "build",
+				"isDefault": true
+			}
+		}
+	]
+}

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.26)
+project(SimLOD)
+
+include(FetchContent)
+
+set(CMAKE_CXX_STANDARD 20)
+
+option(SimLOD_CreateCUDASymlinks "Create symbolic links instead of copying CUDA files." OFF)
+
+# Target SimLOD
+
+add_executable(${PROJECT_NAME}
+	src/GLRenderer.cpp
+    include/unsuck_platform_specific.cpp	
+    modules/progressive_octree/LasLoader.cpp	
+    modules/progressive_octree/SimlodLoader.cpp	
+	modules/progressive_octree/main_progressive_octree.cpp)
+set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY VS_STARTUP_PROJECT ${PROJECT_NAME})
+set_target_properties(${PROJECT_NAME} PROPERTIES VS_DEBUGGER_WORKING_DIRECTORY "$<TARGET_FILE_DIR:${PROJECT_NAME}>"
+                                               VS_DEBUGGER_COMMAND           "$<TARGET_FILE:${PROJECT_NAME}>"
+                                               VS_DEBUGGER_ENVIRONMENT       "PATH=%PATH%;${CMAKE_PREFIX_PATH}")
+
+
+target_include_directories(${PROJECT_NAME} PRIVATE
+    include
+	modules/CudaPrint
+	modules/progressive_octree)
+
+# Dependencies
+
+## CUDA toolkit
+find_package(CUDAToolkit 11.7 REQUIRED)
+target_include_directories(${PROJECT_NAME} PRIVATE
+	CUDAToolkit_INCLUDE_DIRS)
+target_link_libraries(${PROJECT_NAME}
+	CUDA::cuda_driver
+	CUDA::nvrtc
+	CUDA::nvrtc_static
+	CUDA::nvrtc_builtins_static)
+
+## OpenGL
+find_package(OpenGL REQUIRED)
+target_link_libraries(${PROJECT_NAME} ${OPENGL_LIBRARY})
+
+## fmt 
+add_subdirectory(libs/fmt)
+target_link_libraries(${PROJECT_NAME} fmt::fmt)
+
+## glew
+target_include_directories(${PROJECT_NAME} PRIVATE
+	libs/glew/include)
+target_sources(${PROJECT_NAME} PRIVATE
+	libs/glew/glew.c)
+
+## GLFW
+include(cmake/glfw.cmake)
+target_include_directories(${PROJECT_NAME} PRIVATE
+	${glfw_SOURCE_DIR}/include)
+target_link_libraries(${PROJECT_NAME} glfw)
+
+## glm
+target_include_directories(${PROJECT_NAME} PRIVATE
+	libs/glm)
+
+## imgui
+target_include_directories(${PROJECT_NAME} PRIVATE
+	libs/imgui
+	libs/imgui/backends)
+target_sources(${PROJECT_NAME} PRIVATE
+	libs/imgui/imgui.cpp
+	libs/imgui/imgui_demo.cpp
+	libs/imgui/imgui_draw.cpp
+	libs/imgui/imgui_tables.cpp
+	libs/imgui/imgui_widgets.cpp
+	libs/imgui/backends/imgui_impl_glfw.cpp
+	libs/imgui/backends/imgui_impl_opengl3.cpp)
+
+## implot
+target_include_directories(${PROJECT_NAME} PRIVATE
+	libs/implot)
+target_sources(${PROJECT_NAME} PRIVATE
+	libs/implot/implot_items.cpp
+	libs/implot/implot.cpp)
+
+## laszip
+add_subdirectory(libs/laszip)
+target_link_libraries(${PROJECT_NAME} laszip)
+target_include_directories(${PROJECT_NAME} PRIVATE
+	libs/laszip)
+
+# Post-Build
+if (SimLOD_CreateCUDASymlinks)
+	execute_process(
+		COMMAND ${CMAKE_COMMAND} -E create_symlink
+			"${PROJECT_SOURCE_DIR}/CMakelists.txt"
+			"${CMAKE_BINARY_DIR}/.symlinktest.txt"
+		WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+		RESULT_VARIABLE symlinksSupported)
+	if (symlinksSupported)
+		message(STATUS "Cannot create symbolic links - missing user privileges. Falling back to copying.")
+	else ()
+		execute_process(
+				COMMAND ${CMAKE_COMMAND} -E remove
+				"${CMAKE_BINARY_DIR}/.symlinktest.txt"
+				WORKING_DIRECTORY ${PROJECT_SOURCE_DIR})
+	endif (symlinksSupported)
+endif (SimLOD_CreateCUDASymlinks)
+
+if (symlinksSupported OR NOT SimLOD_CreateCUDASymlinks)
+	add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
+		COMMAND ${CMAKE_COMMAND} -E copy_directory
+			"${PROJECT_SOURCE_DIR}/modules"
+			"$<TARGET_FILE_DIR:${PROJECT_NAME}>/modules"
+		COMMENT "POST BUILD: copying modules folder")
+else ()
+	add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
+		COMMAND ${CMAKE_COMMAND} -E create_symlink
+			"${PROJECT_SOURCE_DIR}/modules"
+			"$<TARGET_FILE_DIR:${PROJECT_NAME}>/modules"
+		COMMENT "POST BUILD: creating symlink for modules folder")
+endif (symlinksSupported OR NOT SimLOD_CreateCUDASymlinks)
+

LICENSE.md

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+=====================================================================
+
+Copyright 2023 Markus Schütz and Bernhard Kerbl
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+=====================================================================
+
+Some files have special licenses, such as seascape.cu: 
+
+/*
+ * "Seascape" by Alexander Alekseev aka TDM - 2014
+ * License Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
+ * Contact: tdmaav@gmail.com
+ */
+
+=====================================================================