Add base files for bindings

Add base files for C++ and D that will interface with the existing C integration.

.gitignore

@@ -11,6 +11,9 @@
 !build.sh
 !CHANGELOG
 !configure.ac
+!dub.sdl
+!dub.selections.json
+!extension_api.json
 !LICENSE
 !Makefile.am
 !README
@@ -39,6 +42,7 @@
 /engine/bin/*
 
 !/engine/bin/librtr.gdextension
+!/engine/bin/libsb.gdextension
 
 # /engine/img
 !/engine/img/
@@ -56,6 +60,26 @@
 !/src/main.gdextension
 !/src/main.h
 
+# /src/init
+!/src/init
+/src/init/*
+
+!/src/init/bind.d
+
+# /src/init/cpp
+!/src/init/cpp
+/src/init/cpp/*
+
+!/src/init/cpp/bind.cpp
+
+# /src/init/d
+!/src/init/d
+/src/init/d/*
+
+/src/init/d/bind.d
+
+!/src/init/d
+
 # /res
 !/res/
 /res/*

README

@@ -24,6 +24,10 @@ Build
         - Git
         - GNU Autotools
         - UNIX Shell
+        - GCC (with G++)
+        - LDC
+        - DUB
+        - Tubolent W2C2 (optional; testing only)
 
     1.) Install the dependencies listed above.
 
@@ -35,6 +39,10 @@ Build
 
     3.) Run "build.sh" within a UNIX shell.
 
+    Using this configuration, the project will be compatible with all major
+operating systems and WebAssembly, which can be useful for transpiling and
+new platform testing.
+
     Project organized in conformance to the Straightforward C Project Standard 5
 (SCPS5).
 

build.sh

@@ -2,6 +2,11 @@
 
 # Build Script
 
+# Prepare to Build Project
+
+mkdir ./bld
+mkdir ./bld/out
+
 # Run Autotools
 libtoolize
 aclocal

dub.sdl

@@ -0,0 +1,12 @@
+name "spruce-basin"
+description "Source material."
+authors "AUTHORS"
+copyright "Copyright © 2025, AUTHORS"
+license "proprietary"
+dependency "godot-dlang" version="~master"
+configuration "spruce-basin" {
+	targetType "dynamicLibrary"
+	dflags "-dllimport=defaultLibsOnly" platform="windows-ldc2"
+	targetName "bld/out/spruce-basin"
+	mainSourceFile "src/init/bind.d"
+}

dub.selections.json

@@ -0,0 +1,7 @@
+{
+	"fileVersion": 1,
+	"versions": {
+		"godot-dlang": "~master",
+		"utf_bc": "0.2.1"
+	}
+}

engine/bin/libsb.gdextension

@@ -0,0 +1,10 @@
+[configuration]
+
+entry_symbol = "Godot-DLang"
+compatibility_minimum = "4.4"
+
+[libraries]
+
+linux.64 = "bind.so"
+darwin.64 = "bind.dylib"
+windows.64 = "bind.dll"

engine/title.tscn

@@ -106,7 +106,7 @@ text = "To-Do:
 - Use C API to implement interactive interface; this API is available via GDExtension, which has bindings available for an extended
 selection of languages, which may all interact with each other via this API.
 - Components that require speed, such as procedural generation and most core logic, should be implemented in C99/C++11; these libraries may then
-be called from a more expressive language, such as Tim Apple's Swift.
+be called from a more expressive language, such as D or a WASM object.
 - These issues will be migrated to the Forgejo instance.
 
 - Button for copyright notices in bottom-left corner."

src/init/bind.d

@@ -0,0 +1,6 @@
+import std;
+
+void main()
+{
+    printf("Start.");
+}

src/init/cpp/bind.cpp

@@ -0,0 +1 @@
+