[feat]: initial commit

build_hot_reload.sh

@@ -0,0 +1,56 @@
+#!/usr/bin/env bash
+set -eu
+
+# OUT_DIR is for everything except the exe. The exe needs to stay in root
+# folder so it sees the assets folder, without having to copy it.
+OUT_DIR=build/hot_reload
+EXE=game_hot_reload.bin
+
+mkdir -p $OUT_DIR
+
+# root is a special command of the odin compiler that tells you where the Odin
+# compiler is located.
+ROOT=$(odin root)
+
+# Figure out which DLL extension to use based on platform. Also copy the Linux
+# so libs.
+case $(uname) in
+"Darwin")
+    DLL_EXT=".dylib"
+    EXTRA_LINKER_FLAGS="-Wl,-rpath $ROOT/vendor/raylib/macos"
+    ;;
+*)
+    DLL_EXT=".so"
+    EXTRA_LINKER_FLAGS="'-Wl,-rpath=\$ORIGIN/linux'"
+
+    # Copy the linux libraries into the project automatically.
+    if [ ! -d "$OUT_DIR/linux" ]; then
+        mkdir -p $OUT_DIR/linux
+        cp -r $ROOT/vendor/raylib/linux/libraylib*.so* $OUT_DIR/linux
+    fi
+    ;;
+esac
+
+# Build the game. Note that the game goes into $OUT_DIR while the exe stays in
+# the root folder.
+echo "Building game$DLL_EXT"
+odin build source -extra-linker-flags:"$EXTRA_LINKER_FLAGS" -define:RAYLIB_SHARED=true -build-mode:dll -out:$OUT_DIR/game_tmp$DLL_EXT -strict-style -vet -debug
+
+# Need to use a temp file on Linux because it first writes an empty `game.so`,
+# which the game will load before it is actually fully written.
+mv $OUT_DIR/game_tmp$DLL_EXT $OUT_DIR/game$DLL_EXT
+
+# If the executable is already running, then don't try to build and start it.
+# -f is there to make sure we match against full name, including .bin
+if pgrep -f $EXE > /dev/null; then
+    echo "Hot reloading..."
+    exit 0
+fi
+
+echo "Building $EXE"
+odin build source/main_hot_reload -out:$EXE -strict-style -vet -debug
+
+if [ $# -ge 1 ] && [ $1 == "run" ]; then
+    echo "Running $EXE"
+    ./$EXE &
+fi