5 files changed, 29 insertions, 4 deletions
diff --git a/modules/bullet/collision_object_bullet.cpp b/modules/bullet/collision_object_bullet.cpp
index eb87901c24..166d7e6158 100644
--- a/modules/bullet/collision_object_bullet.cpp
+++ b/modules/bullet/collision_object_bullet.cpp
@@ -59,6 +59,25 @@ void CollisionObjectBullet::ShapeWrapper::set_transform(const btTransform &p_tra
 	transform = p_transform;
 }
 
+btTransform CollisionObjectBullet::ShapeWrapper::get_adjusted_transform() const {
+	if (shape->get_type() == PhysicsServer::SHAPE_HEIGHTMAP) {
+		const HeightMapShapeBullet *hm_shape = (const HeightMapShapeBullet *)shape; // should be safe to cast now
+		btTransform adjusted_transform;
+
+		// Bullet centers our heightmap:
+		// https://github.com/bulletphysics/bullet3/blob/master/src/BulletCollision/CollisionShapes/btHeightfieldTerrainShape.h#L33
+		// This is really counter intuitive so we're adjusting for it
+
+		adjusted_transform.setIdentity();
+		adjusted_transform.setOrigin(btVector3(0.0, hm_shape->min_height + ((hm_shape->max_height - hm_shape->min_height) * 0.5), 0.0));
+		adjusted_transform *= transform;
+
+		return adjusted_transform;
+	} else {
+		return transform;
+	}
+}
+
 void CollisionObjectBullet::ShapeWrapper::claim_bt_shape(const btVector3 &body_scale) {
 	if (!bt_shape) {
 		if (active)
@@ -345,7 +364,8 @@ void RigidCollisionObjectBullet::reload_shapes() {
 	// Try to optimize by not using compound
 	if (1 == shape_count) {
 		shpWrapper = &shapes.write[0];
-		if (shpWrapper->transform.getOrigin().isZero() && shpWrapper->transform.getBasis() == shpWrapper->transform.getBasis().getIdentity()) {
+		btTransform transform = shpWrapper->get_adjusted_transform();
+		if (transform.getOrigin().isZero() && transform.getBasis() == transform.getBasis().getIdentity()) {
 			shpWrapper->claim_bt_shape(body_scale);
 			mainShape = shpWrapper->bt_shape;
 			main_shape_changed();
@@ -359,7 +379,7 @@ void RigidCollisionObjectBullet::reload_shapes() {
 	for (int i(0); i < shape_count; ++i) {
 		shpWrapper = &shapes.write[i];
 		shpWrapper->claim_bt_shape(body_scale);
-		btTransform scaled_shape_transform(shpWrapper->transform);
+		btTransform scaled_shape_transform(shpWrapper->get_adjusted_transform());
 		scaled_shape_transform.getOrigin() *= body_scale;
 		compoundShape->addChildShape(scaled_shape_transform, shpWrapper->bt_shape);
 	}
diff --git a/modules/bullet/collision_object_bullet.h b/modules/bullet/collision_object_bullet.h
index e65bc52caf..c9430bec18 100644
--- a/modules/bullet/collision_object_bullet.h
+++ b/modules/bullet/collision_object_bullet.h
@@ -109,6 +109,7 @@ public:
 
 		void set_transform(const Transform &p_transform);
 		void set_transform(const btTransform &p_transform);
+		btTransform get_adjusted_transform() const;
 
 		void claim_bt_shape(const btVector3 &body_scale);
 	};
diff --git a/modules/gdnative/gdnative.cpp b/modules/gdnative/gdnative.cpp
index e8278825bc..c8e17e8dc5 100644
--- a/modules/gdnative/gdnative.cpp
+++ b/modules/gdnative/gdnative.cpp
@@ -243,7 +243,7 @@ void GDNativeLibrary::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_symbol_prefix", "symbol_prefix"), &GDNativeLibrary::set_symbol_prefix);
 	ClassDB::bind_method(D_METHOD("set_reloadable", "reloadable"), &GDNativeLibrary::set_reloadable);
 
-	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "config_file", PROPERTY_HINT_RESOURCE_TYPE, "ConfigFile"), "set_config_file", "get_config_file");
+	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "config_file", PROPERTY_HINT_RESOURCE_TYPE, "ConfigFile", 0), "set_config_file", "get_config_file");
 
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "load_once"), "set_load_once", "should_load_once");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "singleton"), "set_singleton", "is_singleton");
diff --git a/modules/gdnative/gdnative.h b/modules/gdnative/gdnative.h
index 492dc5beaa..ef57387059 100644
--- a/modules/gdnative/gdnative.h
+++ b/modules/gdnative/gdnative.h
@@ -99,16 +99,20 @@ public:
 	}
 
 	_FORCE_INLINE_ void set_load_once(bool p_load_once) {
+		config_file->set_value("general", "load_once", p_load_once);
 		load_once = p_load_once;
 	}
 	_FORCE_INLINE_ void set_singleton(bool p_singleton) {
+		config_file->set_value("general", "singleton", p_singleton);
 		singleton = p_singleton;
 	}
 	_FORCE_INLINE_ void set_symbol_prefix(String p_symbol_prefix) {
+		config_file->set_value("general", "symbol_prefix", p_symbol_prefix);
 		symbol_prefix = p_symbol_prefix;
 	}
 
 	_FORCE_INLINE_ void set_reloadable(bool p_reloadable) {
+		config_file->set_value("general", "reloadable", p_reloadable);
 		reloadable = p_reloadable;
 	}
 
diff --git a/modules/regex/doc_classes/RegEx.xml b/modules/regex/doc_classes/RegEx.xml
index 0538753a47..cc8205e400 100644
--- a/modules/regex/doc_classes/RegEx.xml
+++ b/modules/regex/doc_classes/RegEx.xml
@@ -123,7 +123,7 @@
 			<argument index="4" name="end" type="int" default="-1">
 			</argument>
 			<description>
-				Searches the text for the compiled pattern and replaces it with the specified string. Escapes and backreferences such as [code]\1[/code] and [code]\g&lt;name&gt;[/code] expanded and resolved. By default only the first instance is replaced but it can be changed for all instances (global replacement). The region to search within can be specified without modifying where the start and end anchor would be.
+				Searches the text for the compiled pattern and replaces it with the specified string. Escapes and backreferences such as [code]$1[/code] and [code]$name[/code] are expanded and resolved. By default only the first instance is replaced but it can be changed for all instances (global replacement). The region to search within can be specified without modifying where the start and end anchor would be.
 			</description>
 		</method>
 	</methods>