Add ability to use custom script templates.

Templates will be loaded from .godot/script_templates
For now they're disabled for GDNative.

Ideas for further improvements:

- Add a "Save as Template" option to the script editor, as it can normally only save to res://
- Support more placeholders / custom placeholders

5 files changed, 33 insertions, 0 deletions

diff --git a/modules/gdscript/gd_editor.cpp b/modules/gdscript/gd_editor.cpp
index eea5b15236..5e3ce31dd6 100644
--- a/modules/gdscript/gd_editor.cpp
+++ b/modules/gdscript/gd_editor.cpp
@@ -69,6 +69,19 @@ Ref<Script> GDScriptLanguage::get_template(const String &p_class_name, const Str
 	return script;
 }
 
+bool GDScriptLanguage::is_using_templates() {
+
+	return true;
+}
+
+void GDScriptLanguage::make_template(const String &p_class_name, const String &p_base_class_name, Ref<Script> &p_script) {
+
+	String src = p_script->get_source_code();
+	src = src.replace("%BASE%", p_base_class_name);
+	src = src.replace("%TS%", _get_indentation());
+	p_script->set_source_code(src);
+}
+
 bool GDScriptLanguage::validate(const String &p_script, int &r_line_error, int &r_col_error, String &r_test_error, const String &p_path, List<String> *r_functions) const {
 
 	GDParser parser;
diff --git a/modules/gdscript/gd_script.cpp b/modules/gdscript/gd_script.cpp
index dcc0e24098..1dcc442234 100644
--- a/modules/gdscript/gd_script.cpp
+++ b/modules/gdscript/gd_script.cpp
@@ -615,6 +615,11 @@ Error GDScript::reload(bool p_keep_state) {
 	if (basedir != "")
 		basedir = basedir.get_base_dir();
 
+	if (basedir.find("res://") == -1 && basedir.find("user://") == -1) {
+		//loading a template, don't parse
+		return OK;
+	}
+
 	valid = false;
 	GDParser parser;
 	Error err = parser.parse(source, basedir, false, path);
diff --git a/modules/gdscript/gd_script.h b/modules/gdscript/gd_script.h
index 00ae136790..ebef4fed74 100644
--- a/modules/gdscript/gd_script.h
+++ b/modules/gdscript/gd_script.h
@@ -381,6 +381,8 @@ public:
 	virtual void get_comment_delimiters(List<String> *p_delimiters) const;
 	virtual void get_string_delimiters(List<String> *p_delimiters) const;
 	virtual Ref<Script> get_template(const String &p_class_name, const String &p_base_class_name) const;
+	virtual bool is_using_templates();
+	virtual void make_template(const String &p_class_name, const String &p_base_class_name, Ref<Script> &p_script);
 	virtual bool validate(const String &p_script, int &r_line_error, int &r_col_error, String &r_test_error, const String &p_path = "", List<String> *r_functions = NULL) const;
 	virtual Script *create_script() const;
 	virtual bool has_named_classes() const;
diff --git a/modules/visual_script/visual_script.cpp b/modules/visual_script/visual_script.cpp
index aec60391d3..bb8111ce99 100644
--- a/modules/visual_script/visual_script.cpp
+++ b/modules/visual_script/visual_script.cpp
@@ -2369,6 +2369,17 @@ Ref<Script> VisualScriptLanguage::get_template(const String &p_class_name, const
 	script->set_instance_base_type(p_base_class_name);
 	return script;
 }
+
+bool VisualScriptLanguage::is_using_templates() {
+
+	return true;
+}
+
+void VisualScriptLanguage::make_template(const String &p_class_name, const String &p_base_class_name, Ref<Script> &p_script) {
+	Ref<VisualScript> script = p_script;
+	script->set_instance_base_type(p_base_class_name);
+}
+
 bool VisualScriptLanguage::validate(const String &p_script, int &r_line_error, int &r_col_error, String &r_test_error, const String &p_path, List<String> *r_functions) const {
 
 	return false;
diff --git a/modules/visual_script/visual_script.h b/modules/visual_script/visual_script.h
index 72843099c7..1ccc358342 100644
--- a/modules/visual_script/visual_script.h
+++ b/modules/visual_script/visual_script.h
@@ -564,6 +564,8 @@ public:
 	virtual void get_comment_delimiters(List<String> *p_delimiters) const;
 	virtual void get_string_delimiters(List<String> *p_delimiters) const;
 	virtual Ref<Script> get_template(const String &p_class_name, const String &p_base_class_name) const;
+	virtual bool is_using_templates();
+	virtual void make_template(const String &p_class_name, const String &p_base_class_name, Ref<Script> &p_script);
 	virtual bool validate(const String &p_script, int &r_line_error, int &r_col_error, String &r_test_error, const String &p_path = "", List<String> *r_functions = NULL) const;
 	virtual Script *create_script() const;
 	virtual bool has_named_classes() const;