From d19ec847171f74840422b2cd904b608e0f7b97c3 Mon Sep 17 00:00:00 2001
From: Perttu Ahola <celeron55@gmail.com>
Date: Wed, 15 Oct 2014 00:58:21 +0300
Subject: [PATCH] lua_bindings, client/api: clear_voxel_geometry,
 clear_voxel_physics_boxes

---
 client/api.lua             | 20 +++++++++++++++++++
 src/lua_bindings/voxel.cpp | 41 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 61 insertions(+)

diff --git a/client/api.lua b/client/api.lua
index 0fe53f5..12de515 100644
--- a/client/api.lua
+++ b/client/api.lua
@@ -134,6 +134,16 @@ function buildat.safe.set_voxel_lod_geometry(lod, safe_node, safe_buffer)
 	__buildat_set_voxel_lod_geometry(lod, node, buffer)
 end
 
+function buildat.safe.clear_voxel_geometry(safe_node)
+	if not getmetatable(safe_node) or
+			getmetatable(safe_node).type_name ~= "Node" then
+		error("node is not a sandboxed Node instance")
+	end
+	node = getmetatable(safe_node).unsafe
+
+	__buildat_clear_voxel_geometry(node)
+end
+
 function buildat.safe.set_voxel_physics_boxes(safe_node, safe_buffer)
 	if not getmetatable(safe_node) or
 			getmetatable(safe_node).type_name ~= "Node" then
@@ -154,6 +164,16 @@ function buildat.safe.set_voxel_physics_boxes(safe_node, safe_buffer)
 	__buildat_set_voxel_physics_boxes(node, buffer)
 end
 
+function buildat.safe.clear_voxel_physics_boxes(safe_node)
+	if not getmetatable(safe_node) or
+			getmetatable(safe_node).type_name ~= "Node" then
+		error("node is not a sandboxed Node instance")
+	end
+	node = getmetatable(safe_node).unsafe
+
+	__buildat_clear_voxel_physics_boxes(node)
+end
+
 local Vector3_prototype = {
 	x = 0,
 	y = 0,
diff --git a/src/lua_bindings/voxel.cpp b/src/lua_bindings/voxel.cpp
index 25b1ea7..ebed454 100644
--- a/src/lua_bindings/voxel.cpp
+++ b/src/lua_bindings/voxel.cpp
@@ -209,6 +209,24 @@ static int l_set_voxel_lod_geometry(lua_State *L)
 	return 0;
 }
 
+// clear_voxel_geometry(node: Node)
+static int l_clear_voxel_geometry(lua_State *L)
+{
+	tolua_Error tolua_err;
+
+	GET_TOLUA_STUFF(node, 1, Node);
+
+	log_d(MODULE, "clear_voxel_geometry(): node=%p", node);
+
+	CustomGeometry *cg = node->GetComponent<CustomGeometry>();
+	if(cg)
+		node->RemoveComponent(cg);
+	//cg->Clear();
+	//cg->Commit();
+
+	return 0;
+}
+
 // set_voxel_physics_boxes(node, buffer: VectorBuffer)
 static int l_set_voxel_physics_boxes(lua_State *L)
 {
@@ -240,6 +258,27 @@ static int l_set_voxel_physics_boxes(lua_State *L)
 	return 0;
 }
 
+// clear_voxel_physics_boxes(node)
+static int l_clear_voxel_physics_boxes(lua_State *L)
+{
+	tolua_Error tolua_err;
+
+	GET_TOLUA_STUFF(node, 1, Node);
+
+	log_d(MODULE, "clear_voxel_physics_boxes(): node=%p", node);
+
+	RigidBody *body = node->GetComponent<RigidBody>();
+	if(body)
+		node->RemoveComponent(body);
+
+	PODVector<CollisionShape*> previous_shapes;
+	node->GetComponents<CollisionShape>(previous_shapes);
+	for(size_t i = 0; i < previous_shapes.Size(); i++)
+		node->RemoveComponent(previous_shapes[i]);
+
+	return 0;
+}
+
 void init_voxel(lua_State *L)
 {
 #define DEF_BUILDAT_FUNC(name){ \
@@ -250,7 +289,9 @@ void init_voxel(lua_State *L)
 	DEF_BUILDAT_FUNC(set_8bit_voxel_geometry);
 	DEF_BUILDAT_FUNC(set_voxel_geometry);
 	DEF_BUILDAT_FUNC(set_voxel_lod_geometry);
+	DEF_BUILDAT_FUNC(clear_voxel_geometry);
 	DEF_BUILDAT_FUNC(set_voxel_physics_boxes);
+	DEF_BUILDAT_FUNC(clear_voxel_physics_boxes);
 }
 
 }	// namespace lua_bindingss