From e741da869a11533ec46ed86bad1fd8c8c70a6178 Mon Sep 17 00:00:00 2001
From: Andreas Haas <liu.gam3@gmail.com>
Date: Sat, 3 Dec 2016 21:35:59 +0100
Subject: [PATCH] Curve2D/3D: Add clear_points method.

Adds a method to the Curve2D and Curve3D classes to easily clear the curve.
So you don't have to remove each point manually.
---
 scene/resources/curve.cpp | 19 +++++++++++++++++++
 scene/resources/curve.h   |  2 ++
 2 files changed, 21 insertions(+)

diff --git a/scene/resources/curve.cpp b/scene/resources/curve.cpp
index 29460790ff7..b771c0e3928 100644
--- a/scene/resources/curve.cpp
+++ b/scene/resources/curve.cpp
@@ -464,6 +464,14 @@ void Curve2D::remove_point(int p_index) {
 	emit_signal(CoreStringNames::get_singleton()->changed);
 }
 
+void Curve2D::clear_points() {
+	if (!points.empty()) {
+		points.clear();
+		baked_cache_dirty=true;
+		emit_signal(CoreStringNames::get_singleton()->changed);
+	}
+}
+
 Vector2 Curve2D::interpolate(int p_index, float p_offset) const {
 
 	int pc = points.size();
@@ -790,6 +798,7 @@ void Curve2D::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("set_point_out","idx","pos"),&Curve2D::set_point_out);
 	ObjectTypeDB::bind_method(_MD("get_point_out","idx"),&Curve2D::get_point_out);
 	ObjectTypeDB::bind_method(_MD("remove_point","idx"),&Curve2D::remove_point);
+	ObjectTypeDB::bind_method(_MD("clear_points"),&Curve2D::clear_points);
 	ObjectTypeDB::bind_method(_MD("interpolate","idx","t"),&Curve2D::interpolate);
 	ObjectTypeDB::bind_method(_MD("interpolatef","fofs"),&Curve2D::interpolatef);
 	//ObjectTypeDB::bind_method(_MD("bake","subdivs"),&Curve2D::bake,DEFVAL(10));
@@ -930,6 +939,15 @@ void Curve3D::remove_point(int p_index) {
 	emit_signal(CoreStringNames::get_singleton()->changed);
 }
 
+void Curve3D::clear_points() {
+
+	if (!points.empty()) {
+		points.clear();
+		baked_cache_dirty=true;
+		emit_signal(CoreStringNames::get_singleton()->changed);
+	}
+}
+
 Vector3 Curve3D::interpolate(int p_index, float p_offset) const {
 
 	int pc = points.size();
@@ -1322,6 +1340,7 @@ void Curve3D::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("set_point_out","idx","pos"),&Curve3D::set_point_out);
 	ObjectTypeDB::bind_method(_MD("get_point_out","idx"),&Curve3D::get_point_out);
 	ObjectTypeDB::bind_method(_MD("remove_point","idx"),&Curve3D::remove_point);
+	ObjectTypeDB::bind_method(_MD("clear_points"),&Curve3D::clear_points);
 	ObjectTypeDB::bind_method(_MD("interpolate","idx","t"),&Curve3D::interpolate);
 	ObjectTypeDB::bind_method(_MD("interpolatef","fofs"),&Curve3D::interpolatef);
 	//ObjectTypeDB::bind_method(_MD("bake","subdivs"),&Curve3D::bake,DEFVAL(10));
diff --git a/scene/resources/curve.h b/scene/resources/curve.h
index 262f22b7d14..21b564f2a2b 100644
--- a/scene/resources/curve.h
+++ b/scene/resources/curve.h
@@ -133,6 +133,7 @@ public:
 	void set_point_out(int p_index, const Vector2& p_out);
 	Vector2 get_point_out(int p_index) const;
 	void remove_point(int p_index);
+	void clear_points();
 
 	Vector2 interpolate(int p_index, float p_offset) const;
 	Vector2 interpolatef(real_t p_findex) const;
@@ -211,6 +212,7 @@ public:
 	void set_point_out(int p_index, const Vector3& p_out);
 	Vector3 get_point_out(int p_index) const;
 	void remove_point(int p_index);
+	void clear_points();
 
 	Vector3 interpolate(int p_index, float p_offset) const;
 	Vector3 interpolatef(real_t p_findex) const;