Update C++ web build script and add in EMSCRIPTEN_CUSTOM_PARAMS variable

Co-authored-by: sigonasr2 <sigonasr2@gmail.com>

C++/scripts/md5

@@ -4,4 +4,4 @@ debug.sh:8125f303032b6cbc137223df63d10096  -
 lines.sh:3b907786f7fc9204025993016c9080de  -
 release.sh:b1ce8461a303e8e7aa9ed74259db3873  -
 temp:d41d8cd98f00b204e9800998ecf8427e  -
-web.sh:e196c0bb38ff4cd9428b4a4e56f500a9  -
+web.sh:cd3b8a99e208244dee7576bc23c0dc80  -

C++/scripts/web.sh

@@ -12,12 +12,12 @@ source ../emsdk/emsdk_env.sh
 if [ ! -f "pixelGameEngine_wasm.o" ]
 then
     printf "Pixel Game Engine compile object missing. Compiling for the first time..."
-    em++ -std=c++17 -O2 -s ALLOW_MEMORY_GROWTH=1 -s MAXIMUM_MEMORY=4GB -s MAX_WEBGL_VERSION=2 -s MIN_WEBGL_VERSION=2 -s USE_SDL_MIXER=2 -s USE_LIBPNG=1 -c pixelGameEngine.cpp -o pixelGameEngine_wasm.o
+    em++ -std=c++20 -O2 ${EMSCRIPTEN_CUSTOM_PARAMS} -s ALLOW_MEMORY_GROWTH=1 -s MAXIMUM_MEMORY=4GB -s MAX_WEBGL_VERSION=2 -s MIN_WEBGL_VERSION=2 -s USE_SDL_MIXER=2 -s USE_LIBPNG=1 -c pixelGameEngine.cpp -o pixelGameEngine_wasm.o
 fi
 if [ -d "assets" ]; then
-    em++ -std=c++17 -O2 -s ALLOW_MEMORY_GROWTH=1 -s MAXIMUM_MEMORY=4GB -s MAX_WEBGL_VERSION=2 -s MIN_WEBGL_VERSION=2 -s USE_SDL_MIXER=2 -s USE_LIBPNG=1 $(find . -type f -name "*.cpp" -not -path "./test/*" -not -name "pixelGameEngine.cpp") pixelGameEngine_wasm.o -o ${PROJECT_NAME}.html --preload-file ./assets
+    em++ -std=c++20 -O2 ${EMSCRIPTEN_CUSTOM_PARAMS} -s ALLOW_MEMORY_GROWTH=1 -s MAXIMUM_MEMORY=4GB -s MAX_WEBGL_VERSION=2 -s MIN_WEBGL_VERSION=2 -s USE_SDL_MIXER=2 -s USE_LIBPNG=1 $(find . -type f -name "*.cpp" -not -path "./test/*" -not -name "pixelGameEngine.cpp") pixelGameEngine_wasm.o -o ${PROJECT_NAME}.html --preload-file ./assets
 else
-    em++ -std=c++17 -O2 -s ALLOW_MEMORY_GROWTH=1 -s MAXIMUM_MEMORY=4GB -s MAX_WEBGL_VERSION=2 -s MIN_WEBGL_VERSION=2 -s USE_SDL_MIXER=2 -s USE_LIBPNG=1 $(find . -type f -name "*.cpp" -not -path "./test/*" -not -name "pixelGameEngine.cpp") pixelGameEngine_wasm.o -o ${PROJECT_NAME}.html
+    em++ -std=c++20 -O2 ${EMSCRIPTEN_CUSTOM_PARAMS} -s ALLOW_MEMORY_GROWTH=1 -s MAXIMUM_MEMORY=4GB -s MAX_WEBGL_VERSION=2 -s MIN_WEBGL_VERSION=2 -s USE_SDL_MIXER=2 -s USE_LIBPNG=1 $(find . -type f -name "*.cpp" -not -path "./test/*" -not -name "pixelGameEngine.cpp") pixelGameEngine_wasm.o -o ${PROJECT_NAME}.html
 fi
 
 cp buildtemplate.html ${PROJECT_NAME}.html

sig

@@ -11,6 +11,7 @@ define LIBRARY_PATH "../lib"
 define CLASS_PATH "${PROJECT_DIR}/..:lib/bin"
 define CLASS_PATH_WINDOWS "${PROJECT_DIR}/..;lib/bin"
 define CUSTOM_PARAMS ""
+define EMSCRIPTEN_CUSTOM_PARAMS ""
 define LANGUAGE ""
 
 source utils/main.sh