client/server/shared: Add support for JS bindings

Author: LeonMrBonnie

.gitignore

@@ -0,0 +1,2 @@
+# Generated
+*.gen

.vscode/settings.json

@@ -76,7 +76,8 @@
         "format": "cpp",
         "forward_list": "cpp",
         "optional": "cpp",
-        "stop_token": "cpp"
+        "stop_token": "cpp",
+        "*.gen": "cpp"
     },
     "editor.defaultFormatter": "xaver.clang-format",
     "editor.formatOnSave": true

client/.gitignore

@@ -13,7 +13,3 @@ tools/extra.bat
 deps/v8/include/
 deps/v8/lib/
 deps/v8/update.json
-
-# Generated
-
-src/bootstrap.js.gen

client/CMakeLists.txt

@@ -2,6 +2,7 @@ cmake_minimum_required (VERSION 3.19)
 include(cmake/GitUtils.cmake)
 include(FetchContent)
 include(cmake/DepsDownload.cmake)
+include(../shared/cmake/GenerateBindings.cmake)
 
 project(altv-client-js)
 
@@ -41,14 +42,8 @@ endmacro()
 GroupSources(${PROJECT_SOURCE_DIR}/src "Source Files")
 GroupSources("../shared" "Shared Files")
 
-function(make_includable input_file output_file)
-    file(READ ${input_file} content)
-    set(delim "for_c++_include")
-    set(content "R\"${delim}(\n${content})${delim}\"")
-    file(WRITE ${output_file} "${content}")
-endfunction(make_includable)
-
 make_includable("src/bootstrap.js" "src/bootstrap.js.gen")
+GenerateBindings()
 
 include_directories(
   ${ALTV_JS_CPP_SDK}

client/src/CV8Resource.cpp

@@ -27,6 +27,8 @@
 
 #include "workers/CWorker.h"
 
+#include "JSBindings.h"
+
 extern void StaticRequire(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Isolate* isolate = info.GetIsolate();
@@ -136,6 +138,7 @@ bool CV8ResourceImpl::Start()
 
         ctx->Global()->Set(ctx, V8Helpers::JSValue("__internal_get_exports"), v8::Function::New(ctx, &StaticRequire).ToLocalChecked());
         ctx->Global()->Set(ctx, V8Helpers::JSValue("__internal_main_path"), V8Helpers::JSValue(path));
+        ctx->Global()->Set(ctx, V8Helpers::JSValue("__internal_bindings_code"), V8Helpers::JSValue(JSBindings::GetBindingsCode()));
 
         bool res = curModule->InstantiateModule(ctx, CV8ScriptRuntime::ResolveModule).IsJust();
 

client/src/bootstrap.js

@@ -1,2 +1,9 @@
 // clang-format off
-await import(`/${__internal_main_path}`);
+import * as alt from "alt-client";
+
+// Load the global bindings code
+new Function("alt", __internal_bindings_code)(alt);
+
+let mainPath = __internal_main_path;
+if(mainPath[0] !== "/") mainPath = "/" + mainPath;
+await import(mainPath);

server/.gitignore

@@ -298,6 +298,4 @@ __pycache__/
 .vscode
 dist/*
 
-src/bootstrap.js.gen
-
 deps/nodejs/lib/

server/CMakeLists.txt

@@ -2,6 +2,7 @@ cmake_minimum_required (VERSION 2.9)
 
 include(../shared/deps/cpp-sdk/CMakeLists.txt)
 include(cmake/DepsDownload.cmake)
+include(../shared/cmake/GenerateBindings.cmake)
 
 project(js-module)
 
@@ -61,14 +62,8 @@ endmacro()
 GroupSources(${PROJECT_SOURCE_DIR}/src "Source Files")
 GroupSources("../shared" "Shared Files")
 
-function(make_includable input_file output_file)
-    file(READ ${input_file} content)
-    set(delim "for_c++_include")
-    set(content "R\"${delim}(\n${content})${delim}\"")
-    file(WRITE ${output_file} "${content}")
-endfunction(make_includable)
-
 make_includable("src/bootstrap.js" "src/bootstrap.js.gen")
+GenerateBindings()
 
 include_directories(
   src

server/src/CNodeResourceImpl.cpp

@@ -5,6 +5,8 @@
 #include "V8Module.h"
 #include "V8Helpers.h"
 
+#include "JSBindings.h"
+
 static void ResourceLoaded(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     V8_GET_ISOLATE_CONTEXT();
@@ -38,6 +40,7 @@ bool CNodeResourceImpl::Start()
     v8::Context::Scope scope(_context);
 
     _context->Global()->Set(_context, V8Helpers::JSValue("__resourceLoaded"), v8::Function::New(_context, &ResourceLoaded).ToLocalChecked());
+    _context->Global()->Set(_context, V8Helpers::JSValue("__internal_bindings_code"), V8Helpers::JSValue(JSBindings::GetBindingsCode()));
 
     _context->SetAlignedPointerInEmbedderData(1, resource);
     context.Reset(isolate, _context);

server/src/bootstrap.js

@@ -47,6 +47,9 @@
         },
     });
 
+    // Load the global bindings code
+    new Function("alt", __internal_bindings_code)(alt);
+
     // Get the path to the main file for this resource, and load it
     const _path = path.resolve(alt.getResourcePath(alt.resourceName), alt.getResourceMain(alt.resourceName));
     _exports = await loader.import("file://" + _path, "", {});

shared/JSBindings.h

@@ -0,0 +1,22 @@
+#pragma once
+#include <string>
+#include <vector>
+
+static std::string vector3Bindings =
+#include "bindings/Vector3.js.gen"
+  ;
+
+namespace JSBindings
+{
+    const std::string& GetBindingsCode()
+    {
+        static std::vector<std::string> bindings = { vector3Bindings };
+        static std::string code;
+
+        // Append all bindings to one big bindings module once
+        if(code.empty())
+            for(const std::string& binding : bindings) code += binding;
+
+        return code;
+    }
+}  // namespace JSBindings

shared/bindings/Vector3.js

@@ -0,0 +1,15 @@
+# Generates the header files for the JavaScript bindings
+
+function(make_includable input_file output_file)
+    file(READ ${input_file} content)
+    set(delim "for_c++_include")
+    set(content "R\"${delim}(\n${content})${delim}\"")
+    file(WRITE ${output_file} "${content}")
+endfunction(make_includable)
+
+function(GenerateBindings)
+    file(GLOB_RECURSE BINDING_FILES "${PROJECT_SOURCE_DIR}/../shared/bindings/*.js")
+    foreach(file IN LISTS BINDING_FILES)
+        make_includable(${file} "${file}.gen")
+    endforeach()
+endfunction()