Initial window setup

.editorconfig

@@ -0,0 +1,27 @@
+# See http://editorconfig.org to read about the EditorConfig format.
+# - In theory automatically supported by VS2017+ and most common IDE or text editors.
+# - In practice VS2019-VS2022 stills don't trim trailing whitespaces correctly :(
+#   - Suggest installing this to trim whitespaces:
+#      GitHub https://github.com/madskristensen/TrailingWhitespace
+#      VS2019 https://marketplace.visualstudio.com/items?itemName=MadsKristensen.TrailingWhitespaceVisualizer
+#      VS2022 https://marketplace.visualstudio.com/items?itemName=MadsKristensen.TrailingWhitespace64
+#     (in spite of its name doesn't only visualize but also trims)
+#   - Alternative for older VS2010 to VS2015: https://marketplace.visualstudio.com/items?itemName=EditorConfigTeam.EditorConfig
+
+# top-most EditorConfig file
+root = true
+
+# Default settings:
+[*]
+indent_style = space
+indent_size = 2
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[imstb_*]
+indent_size = 3
+trim_trailing_whitespace = false
+
+[Makefile]
+indent_style = tab
+indent_size = 4

.gitattributes

@@ -0,0 +1,30 @@
+* text=auto
+
+*.c text
+*.cpp text
+*.h text
+*.m text
+*.mm text
+*.md text
+*.txt text
+*.html text
+*.bat text
+*.frag text
+*.vert text
+*.mkb text
+*.icf text
+
+*.sln text eol=crlf
+*.vcxproj text eol=crlf
+*.vcxproj.filters text eol=crlf
+*.natvis text eol=crlf
+
+Makefile text eol=lf
+*.sh text eol=lf
+*.pbxproj text eol=lf
+*.storyboard text eol=lf
+*.plist text eol=lf
+
+*.png binary
+*.ttf binary
+*.lib binary

.gitignore

@@ -0,0 +1,23 @@
+# CMake build directories
+build/
+cmake-build-*/
+out/
+.cache/
+
+# CMake generated files
+CMakeFiles/
+CMakeCache.txt
+cmake_install.cmake
+Makefile
+*.vcxproj*
+*.sln
+
+# IDE specific files
+.idea/
+.vscode/
+*.user
+
+# Other temporary files
+*.log
+*.tmp
+*.swp

CMakeLists.txt

@@ -0,0 +1,63 @@
+cmake_minimum_required(VERSION 3.19)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+project(Main)
+
+file(GLOB SOURCES src/*.h src/*.cpp src/*.c)
+add_executable(Main ${SOURCES})
+
+target_include_directories(Main PUBLIC include src)
+
+# # Add ImGui sources
+# file(GLOB IMGUI_SOURCES
+#     ${CMAKE_CURRENT_LIST_DIR}/include/imgui/*.cpp
+# )
+
+# file(GLOB TINY_GLTF_SOURCES ${CMAKE_CURRENT_LIST_DIR}/include/tiny_gltf/*.cc)
+
+# target_sources(Main PRIVATE ${IMGUI_SOURCES})
+# target_sources(Main PRIVATE ${TINY_GLTF_SOURCES})
+
+find_package(glfw3 3.4 REQUIRED)
+set(OpenGL_GL_PREFERENCE GLVND)
+find_package(OpenGL REQUIRED)
+find_package(glm REQUIRED)
+
+# # copy shader files
+# file(GLOB GLSL_SOURCE_FILES
+#     shaders/*.frag
+#     shaders/*.vert
+# )
+
+# add_custom_target(Shaders DEPENDS ${GLSL_SOURCE_FILES})
+# add_dependencies(Main Shaders)
+
+# add_custom_command(TARGET Shaders POST_BUILD
+#     COMMAND ${CMAKE_COMMAND} -E copy_directory
+#     "$<TARGET_PROPERTY:Main,SOURCE_DIR>/shaders"
+#     "$<TARGET_PROPERTY:Main,BINARY_DIR>/$<CONFIGURATION>/shaders"
+# )
+
+
+# # copy assets
+# file(GLOB ASSET_FILES assets/*)
+# add_custom_target(
+#     Assets
+#     DEPENDS ${ASSET_FILES}
+# )
+# add_dependencies(Main Assets)
+
+# add_custom_command(TARGET Assets POST_BUILD
+#   COMMAND ${CMAKE_COMMAND} -E copy_directory
+#   "$<TARGET_PROPERTY:Main,SOURCE_DIR>/assets"
+#   "$<TARGET_PROPERTY:Main,BINARY_DIR>/$<CONFIGURATION>/assets"
+# )
+
+if(UNIX)
+    set(GLFW3_LIBRARY glfw)
+endif()
+
+include_directories(${GLFW3_INCLUDE_DIR} ${GLM_INCLUDE_DIR})
+target_link_libraries(Main ${GLFW3_LIBRARY} OpenGL::GL)

compile

@@ -0,0 +1,43 @@
+#!/bin/sh
+
+RUN_AFTER_BUILD=0
+CMAKE_ARGS=""
+BINARY_NAME="Main"
+BUILD_DIR="build"
+
+for arg in "$@"; do
+  case "$arg" in
+    --clean)
+      echo "Cleaning build directory..."
+      rm -rf build/*
+      ;;
+    --debug)
+      echo "Enabling debug build..."
+      CMAKE_ARGS="-DCMAKE_BUILD_TYPE=Debug"
+      ;;
+    --run)
+      RUN_AFTER_BUILD=1
+      ;;
+    *)
+      echo "Unknown argument: $arg"
+      echo "Usage: $0 [--clean] [--debug] [--run]"
+      exit 1
+      ;;
+  esac
+done
+
+mkdir -p "$BUILD_DIR"
+
+cmake -B "$BUILD_DIR" -S . -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ $CMAKE_ARGS
+
+cmake --build "$BUILD_DIR" -- -j"$(nproc)"
+
+if [ "$RUN_AFTER_BUILD" -eq 1 ]; then
+  if [ -x "build/$BINARY_NAME" ]; then
+    echo "Running ./$BINARY_NAME..."
+    "./build/$BINARY_NAME"
+  else
+    echo "Error: Binary 'build/$BINARY_NAME' not found or not executable."
+    exit 1
+  fi
+fi

compile_commands.json

@@ -0,0 +1,80 @@
+[
+{
+  "directory": "/home/nathan/dev/cpp/game_animation_programming/build",
+  "command": "/usr/bin/c++  -I/home/nathan/dev/cpp/game_animation_programming/include -I/home/nathan/dev/cpp/game_animation_programming/src -std=gnu++17 -o CMakeFiles/Main.dir/src/file.cpp.o -c /home/nathan/dev/cpp/game_animation_programming/src/file.cpp",
+  "file": "/home/nathan/dev/cpp/game_animation_programming/src/file.cpp",
+  "output": "CMakeFiles/Main.dir/src/file.cpp.o"
+},
+{
+  "directory": "/home/nathan/dev/cpp/game_animation_programming/build",
+  "command": "/usr/bin/cc  -I/home/nathan/dev/cpp/game_animation_programming/include -I/home/nathan/dev/cpp/game_animation_programming/src  -o CMakeFiles/Main.dir/src/glad.c.o -c /home/nathan/dev/cpp/game_animation_programming/src/glad.c",
+  "file": "/home/nathan/dev/cpp/game_animation_programming/src/glad.c",
+  "output": "CMakeFiles/Main.dir/src/glad.c.o"
+},
+{
+  "directory": "/home/nathan/dev/cpp/game_animation_programming/build",
+  "command": "/usr/bin/c++  -I/home/nathan/dev/cpp/game_animation_programming/include -I/home/nathan/dev/cpp/game_animation_programming/src -std=gnu++17 -o CMakeFiles/Main.dir/src/main.cpp.o -c /home/nathan/dev/cpp/game_animation_programming/src/main.cpp",
+  "file": "/home/nathan/dev/cpp/game_animation_programming/src/main.cpp",
+  "output": "CMakeFiles/Main.dir/src/main.cpp.o"
+},
+{
+  "directory": "/home/nathan/dev/cpp/game_animation_programming/build",
+  "command": "/usr/bin/c++  -I/home/nathan/dev/cpp/game_animation_programming/include -I/home/nathan/dev/cpp/game_animation_programming/src -std=gnu++17 -o CMakeFiles/Main.dir/src/model.cpp.o -c /home/nathan/dev/cpp/game_animation_programming/src/model.cpp",
+  "file": "/home/nathan/dev/cpp/game_animation_programming/src/model.cpp",
+  "output": "CMakeFiles/Main.dir/src/model.cpp.o"
+},
+{
+  "directory": "/home/nathan/dev/cpp/game_animation_programming/build",
+  "command": "/usr/bin/c++  -I/home/nathan/dev/cpp/game_animation_programming/include -I/home/nathan/dev/cpp/game_animation_programming/src -std=gnu++17 -o CMakeFiles/Main.dir/src/renderer.cpp.o -c /home/nathan/dev/cpp/game_animation_programming/src/renderer.cpp",
+  "file": "/home/nathan/dev/cpp/game_animation_programming/src/renderer.cpp",
+  "output": "CMakeFiles/Main.dir/src/renderer.cpp.o"
+},
+{
+  "directory": "/home/nathan/dev/cpp/game_animation_programming/build",
+  "command": "/usr/bin/c++  -I/home/nathan/dev/cpp/game_animation_programming/include -I/home/nathan/dev/cpp/game_animation_programming/src -std=gnu++17 -o CMakeFiles/Main.dir/src/user_interface.cpp.o -c /home/nathan/dev/cpp/game_animation_programming/src/user_interface.cpp",
+  "file": "/home/nathan/dev/cpp/game_animation_programming/src/user_interface.cpp",
+  "output": "CMakeFiles/Main.dir/src/user_interface.cpp.o"
+},
+{
+  "directory": "/home/nathan/dev/cpp/game_animation_programming/build",
+  "command": "/usr/bin/c++  -I/home/nathan/dev/cpp/game_animation_programming/include -I/home/nathan/dev/cpp/game_animation_programming/src -std=gnu++17 -o CMakeFiles/Main.dir/src/window.cpp.o -c /home/nathan/dev/cpp/game_animation_programming/src/window.cpp",
+  "file": "/home/nathan/dev/cpp/game_animation_programming/src/window.cpp",
+  "output": "CMakeFiles/Main.dir/src/window.cpp.o"
+},
+{
+  "directory": "/home/nathan/dev/cpp/game_animation_programming/build",
+  "command": "/usr/bin/c++  -I/home/nathan/dev/cpp/game_animation_programming/include -I/home/nathan/dev/cpp/game_animation_programming/src -std=gnu++17 -o CMakeFiles/Main.dir/include/imgui/imgui.cpp.o -c /home/nathan/dev/cpp/game_animation_programming/include/imgui/imgui.cpp",
+  "file": "/home/nathan/dev/cpp/game_animation_programming/include/imgui/imgui.cpp",
+  "output": "CMakeFiles/Main.dir/include/imgui/imgui.cpp.o"
+},
+{
+  "directory": "/home/nathan/dev/cpp/game_animation_programming/build",
+  "command": "/usr/bin/c++  -I/home/nathan/dev/cpp/game_animation_programming/include -I/home/nathan/dev/cpp/game_animation_programming/src -std=gnu++17 -o CMakeFiles/Main.dir/include/imgui/imgui_draw.cpp.o -c /home/nathan/dev/cpp/game_animation_programming/include/imgui/imgui_draw.cpp",
+  "file": "/home/nathan/dev/cpp/game_animation_programming/include/imgui/imgui_draw.cpp",
+  "output": "CMakeFiles/Main.dir/include/imgui/imgui_draw.cpp.o"
+},
+{
+  "directory": "/home/nathan/dev/cpp/game_animation_programming/build",
+  "command": "/usr/bin/c++  -I/home/nathan/dev/cpp/game_animation_programming/include -I/home/nathan/dev/cpp/game_animation_programming/src -std=gnu++17 -o CMakeFiles/Main.dir/include/imgui/imgui_impl_glfw.cpp.o -c /home/nathan/dev/cpp/game_animation_programming/include/imgui/imgui_impl_glfw.cpp",
+  "file": "/home/nathan/dev/cpp/game_animation_programming/include/imgui/imgui_impl_glfw.cpp",
+  "output": "CMakeFiles/Main.dir/include/imgui/imgui_impl_glfw.cpp.o"
+},
+{
+  "directory": "/home/nathan/dev/cpp/game_animation_programming/build",
+  "command": "/usr/bin/c++  -I/home/nathan/dev/cpp/game_animation_programming/include -I/home/nathan/dev/cpp/game_animation_programming/src -std=gnu++17 -o CMakeFiles/Main.dir/include/imgui/imgui_impl_opengl3.cpp.o -c /home/nathan/dev/cpp/game_animation_programming/include/imgui/imgui_impl_opengl3.cpp",
+  "file": "/home/nathan/dev/cpp/game_animation_programming/include/imgui/imgui_impl_opengl3.cpp",
+  "output": "CMakeFiles/Main.dir/include/imgui/imgui_impl_opengl3.cpp.o"
+},
+{
+  "directory": "/home/nathan/dev/cpp/game_animation_programming/build",
+  "command": "/usr/bin/c++  -I/home/nathan/dev/cpp/game_animation_programming/include -I/home/nathan/dev/cpp/game_animation_programming/src -std=gnu++17 -o CMakeFiles/Main.dir/include/imgui/imgui_tables.cpp.o -c /home/nathan/dev/cpp/game_animation_programming/include/imgui/imgui_tables.cpp",
+  "file": "/home/nathan/dev/cpp/game_animation_programming/include/imgui/imgui_tables.cpp",
+  "output": "CMakeFiles/Main.dir/include/imgui/imgui_tables.cpp.o"
+},
+{
+  "directory": "/home/nathan/dev/cpp/game_animation_programming/build",
+  "command": "/usr/bin/c++  -I/home/nathan/dev/cpp/game_animation_programming/include -I/home/nathan/dev/cpp/game_animation_programming/src -std=gnu++17 -o CMakeFiles/Main.dir/include/imgui/imgui_widgets.cpp.o -c /home/nathan/dev/cpp/game_animation_programming/include/imgui/imgui_widgets.cpp",
+  "file": "/home/nathan/dev/cpp/game_animation_programming/include/imgui/imgui_widgets.cpp",
+  "output": "CMakeFiles/Main.dir/include/imgui/imgui_widgets.cpp.o"
+}
+]

src/basic.h

@@ -0,0 +1,32 @@
+#pragma once
+
+#define GLM_ENABLE_EXPERIMENTAL
+
+#include <string>
+#include <glm/glm.hpp>
+#include <glm/gtx/quaternion.hpp>
+
+typedef unsigned char      u8;
+typedef unsigned short     u16;
+typedef unsigned int       u32;
+typedef unsigned long long u64;
+
+typedef char      s8;
+typedef short     s16;
+typedef int       s32;
+typedef long long s64;
+
+typedef s32 b32;
+
+typedef float  f32;
+typedef double f64;
+
+typedef std::string string;
+
+#define array_count(array) (sizeof(array) / sizeof((array)[0]))
+
+using Vector2 = glm::vec2;
+using Vector3 = glm::vec3;
+using Matrix4 = glm::mat4;
+using Quaternion = glm::quat;
+

src/main.cpp

@@ -0,0 +1,17 @@
+#include <cstdio>
+#include "renderer.h"
+
+
+Renderer renderer;
+
+int main () {
+  init_renderer(&renderer);
+
+  while (!glfwWindowShouldClose(renderer.window)) {
+    update_renderer(&renderer);
+  }
+
+  cleanup_renderer(&renderer);
+
+  return 0;
+}

src/renderer.cpp

@@ -0,0 +1,55 @@
+#include "renderer.h"
+
+bool init_renderer(Renderer* renderer) {
+  // Creating the window and setting it as the current context
+  glfwInit();
+  glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
+  glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 6);
+  glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+
+  renderer->window = glfwCreateWindow(renderer->window_width, renderer->window_height, "Terrain Rendering", nullptr, nullptr);
+
+  if (renderer->window == nullptr) {
+    printf("Failed to create GLFW window\n");
+    glfwTerminate();
+    return false;
+  }
+  glfwMakeContextCurrent(renderer->window);
+
+  // Initializing GLAD
+  if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress)) {
+    printf("Failed to initialize GLAD\n");
+    return false;
+  }
+
+  glViewport(0, 0, renderer->window_width, renderer->window_height);
+
+  glfwSetFramebufferSizeCallback(renderer->window, framebuffer_size_callback);
+
+  return true;
+}
+
+void cleanup_renderer(Renderer* renderer) {
+  glfwTerminate();
+}
+
+
+void update_renderer(Renderer* renderer) {
+  // Process input
+  if (glfwGetKey(renderer->window, GLFW_KEY_ESCAPE == GLFW_PRESS)) {
+    glfwSetWindowShouldClose(renderer->window, true);
+  }
+
+  // Draw calls
+  glClearColor(0.2f, 0.3f, 0.3f, 1.0f);
+  glClear(GL_COLOR_BUFFER_BIT);
+
+  // Swap and poll events
+  glfwSwapBuffers(renderer->window);
+  glfwPollEvents();
+}
+
+void framebuffer_size_callback(GLFWwindow* window, s32 width, s32 height) {
+  glViewport(0, 0, width, height);
+}
+

src/renderer.h

@@ -0,0 +1,14 @@
+#include "basic.h"
+#include <glad/glad.h>
+#include <GLFW/glfw3.h>
+
+struct Renderer {
+  GLFWwindow* window = nullptr;
+  u32 window_width = 800;
+  u32 window_height = 600;
+};
+
+bool init_renderer(Renderer* renderer);
+void cleanup_renderer(Renderer* renderer);
+void update_renderer(Renderer* renderer);
+void framebuffer_size_callback(GLFWwindow* window, s32 width, s32 height);