Add documentation capabilities to template (#66)

.gitignore

@@ -1,6 +1,7 @@
 # Godot 4+ specific ignores
 .godot/
 game/bin/summator/*
+src/gen/*
 .sconsign*.dblite
 
 # Binaries

SConstruct

@@ -13,8 +13,16 @@ env = SConscript("godot-cpp/SConstruct")
 # - LINKFLAGS are for linking flags
 
 # tweak this if you want to use different folders, or more folders, to store your source code in.
-env.Append(CPPPATH=["extension/src/"])
-sources = Glob("extension/src/*.cpp")
+env.Append(CPPPATH=["src/"])
+sources = Glob("src/*.cpp")
+
+if env["target"] in ["editor", "template_debug"]:
+    try:
+        doc_data = env.GodotCPPDocData("src/gen/doc_data.gen.cpp", source=Glob("doc_classes/*.xml"))
+        sources.append(doc_data)
+        print("Class reference added.")
+    except AttributeError:
+        print("Not including class reference as we're targeting a pre-4.3 baseline.")
 
 if env["platform"] == "macos":
     library = env.SharedLibrary(

doc_classes/Summator.xml

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<class name="Summator" inherits="RefCounted" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://raw.githubusercontent.com/godotengine/godot/master/doc/class.xsd">
+	<brief_description>
+		Very short and brief description.
+	</brief_description>
+	<description>
+		This is a very long description. You can use [b]bold[/b], [i]italic[/i], [u]underlined[/u], [code]code[/code] and other cool things supported by BBCode tags.
+	</description>
+	<tutorials>
+		<link title="Summator Module Docs">https://docs.godotengine.org/en/stable/contributing/development/core_and_modules/custom_modules_in_cpp.html</link>
+		<link title="GDExtensionSummator GitHub">https://github.com/paddy-exe/GDExtensionSummator</link>
+	</tutorials>
+	<methods>
+		<method name="add">
+			<return type="void" />
+			<param index="0" name="value" type="int" default="1" />
+			<description>
+				Add value to the Summator instance.
+			</description>
+		</method>
+		<method name="get_total" qualifiers="const">
+			<return type="int" />
+			<description>
+				Returns the total amount saved in the Summator instance.
+			</description>
+		</method>
+		<method name="reset">
+			<return type="void" />
+			<description>
+				Resets the amount of the Summator instance to zero.
+			</description>
+		</method>
+	</methods>
+</class>

game/bin/summator.gdextension

@@ -2,6 +2,7 @@
 
 entry_symbol = "summator_library_init"
 compatibility_minimum = 4.1
+reloadable = true
 
 [libraries]
 

game/project.godot

@@ -13,5 +13,5 @@ config_version=5
 config/name="GDExtensionSummator"
 config/tags=PackedStringArray("gdextension", "template")
 run/main_scene="res://main.tscn"
-config/features=PackedStringArray("4.2")
+config/features=PackedStringArray("4.3")
 config/icon="res://icon.png"