Update

build_web.sh

@@ -0,0 +1,59 @@
+#!/bin/bash -eu
+
+PROJECT_NAME="transformation_visualizer"
+ASSETS_DIR="src/assets"
+RAYLIB_PATH="src/libraries/raylib"
+EMSCRIPTEN_SDK_DIR="$HOME/programs/emsdk"
+OUT_DIR="build/web"
+INDEX_TEMPLATE_PATH="src/web/index_template.html"
+
+if [[ -v 1 ]]; then
+    if [ "$1" = "DEBUG" ]; then
+        ODIN_FLAGS="-debug"
+        EMCC_FLAGS="-O0"
+    elif [ "$1" = "RELEASE" ]; then
+        ODIN_FLAGS="-o:size"
+        EMCC_FLAGS="-O2"
+    else
+        echo "Usage: <script> <DEBUG/RELEASE>"
+        exit 1
+    fi
+else
+    echo "Usage: <script> <DEBUG/RELEASE>"
+    exit 1
+fi
+
+WASM_OBJ_NAME="transformation_visualizer.wasm.obj"
+rm -r $OUT_DIR
+mkdir -p $OUT_DIR
+
+export EMSDK_QUIET=1
+[[ -f "$EMSCRIPTEN_SDK_DIR/emsdk_env.sh" ]] && . "$EMSCRIPTEN_SDK_DIR/emsdk_env.sh"
+
+# Note RAYLIB_WASM_LIB=env.o -- env.o is an internal WASM object file. You can
+# see how RAYLIB_WASM_LIB is used inside <odin>/vendor/raylib/raylib.odin.
+#
+# The emcc call will be fed the actual raylib library file. That stuff will end
+# up in env.o
+ODIN_DEFINES="-define:RAYLIB_WASM_LIB=env.o -define:RAYGUI_WASM_LIB=env.o"
+odin build src/web/ -target:js_wasm32 -target-features:simd128 -build-mode:obj $ODIN_DEFINES $ODIN_FLAGS -out:$OUT_DIR/$WASM_OBJ_NAME
+
+ODIN_PATH=$(odin root)
+
+cp $ODIN_PATH/core/sys/wasm/js/odin.js $OUT_DIR
+
+files="$OUT_DIR/$WASM_OBJ_NAME $RAYLIB_PATH/wasm/libraylib.a $RAYLIB_PATH/wasm/libraygui.a"
+
+# index_template.html contains the javascript code that calls the procedures in
+# source/main_web/main_web.odin
+# TODO (synthas): Investigate why emcc's emscripten flag causes a linker error on itch.io
+EMCC_SETTINGS="-sEXPORTED_RUNTIME_METHODS=['HEAPF32'] -sUSE_GLFW=3 -sWASM_BIGINT -sWARN_ON_UNDEFINED_SYMBOLS=0"
+flags="$EMCC_FLAGS $EMCC_SETTINGS --shell-file $INDEX_TEMPLATE_PATH --preload-file src/assets"
+
+# For debugging: Add `-g` to `emcc` (gives better error callstack in chrome)
+emcc -o $OUT_DIR/index.html $files $flags
+
+rm -f $OUT_DIR/$WASM_OBJ_NAME
+zip -r $OUT_DIR/${PROJECT_NAME}.zip $OUT_DIR
+
+echo "Web build created in ${OUT_DIR}"