Reorganize the build process

CMakeLists.txt

@@ -0,0 +1,38 @@
+cmake_minimum_required(VERSION 3.11) # FetchContent is available in 3.11+
+project(stribun)
+
+# Generate compile_commands.json
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+# Dependencies
+set(RAYLIB_VERSION 5.0)
+find_package(raylib ${RAYLIB_VERSION} QUIET) # QUIET or REQUIRED
+if (NOT raylib_FOUND) # If there's none, fetch and build raylib
+  include(FetchContent)
+  FetchContent_Declare(
+    raylib
+    DOWNLOAD_EXTRACT_TIMESTAMP OFF
+    URL https://github.com/raysan5/raylib/archive/refs/tags/${RAYLIB_VERSION}.tar.gz
+  )
+  FetchContent_GetProperties(raylib)
+  if (NOT raylib_POPULATED) # Have we downloaded raylib yet?
+    set(FETCHCONTENT_QUIET NO)
+    FetchContent_Populate(raylib)
+    set(BUILD_EXAMPLES OFF CACHE BOOL "" FORCE) # don't build the supplied examples
+    add_subdirectory(${raylib_SOURCE_DIR} ${raylib_BINARY_DIR})
+  endif()
+endif()
+
+# Our Project
+
+add_executable(${PROJECT_NAME}
+    src/stribun.c)
+#set(raylib_VERBOSE 1)
+target_link_libraries(${PROJECT_NAME} raylib)
+
+# Web Configurations
+if (${PLATFORM} STREQUAL "Web")
+    # Tell Emscripten to build an example.html file.
+    set_target_properties(${PROJECT_NAME} PROPERTIES SUFFIX ".html")
+    set(CMAKE_EXE_LINKER_FLAGS "-s USE_GLFW=3 -sGL_ENABLE_GET_PROC_ADDRESS")
+endif()

README.md

@@ -3,6 +3,21 @@ A space shooter inspired by games like Enter The Gungeon, Furi and Nuclear Thron
 
 ![$(STRIBUN)](logo.png "$(STRIBUN)")
 
+## Building from source
+### Desktop
+```sh
+$ cmake -B build
+$ cmake --build build
+```
+
+### Web
+```sh
+$ mkdir build-web
+$ cd build-web
+$ emcmake cmake .. -DPLATFORM=Web -DCMAKE_BUILD_TYPE=Release
+$ emmake make
+```
+
 ### Controls
 
  - <kbd>W</kbd>/<kbd>A</kbd>/<kbd>S</kbd>/<kbd>D</kbd> or <kbd>E</kbd>/<kbd>S</kbd>/<kbd>D</kbd>/<kbd>F</kbd> - movement