1 files changed, 77 insertions, 18 deletions

diff --git a/src/client/lua_api/phys/bphysgeneric.cpp b/src/client/lua_api/phys/bphysgeneric.cpp
index e4e8ab0..91b4c21 100644
--- a/src/client/lua_api/phys/bphysgeneric.cpp
+++ b/src/client/lua_api/phys/bphysgeneric.cpp
@@ -5,21 +5,25 @@ extern "C" {
   #include <lualib.h>
 }
 #include <btBulletDynamicsCommon.h>
-//#include <irrlicht.h>
 #include <shared/lua_api/common.hpp>
 
-//extern IrrlichtDevice* device;
+/***
+@module phys
+*/
 
-//extern btDiscreteDynamicsWorld* World;
-//extern std::list<btRigidBody*> Objects;
 
-/*Physics things have the form of:
+/*Physics things from lua have the form of:
 {
 	rigidbody = btRigidBody,
 	node = ISceneNode,
 }
 */
 
+/***
+Sets the direction of gravity on this object.
+@function rigidbody:setgravity({x,y,z})
+@tparam vector3d direction The direction to make gravity point
+*/
 //rigidbody:setgravity({x,y,z})
 int setgravity(lua_State *L){
 	double x,y,z;
@@ -36,7 +40,29 @@ int setgravity(lua_State *L){
 	return 0;
 }
 
-//apply force at a reletive offset
+/***
+Gets the direction of gravity on this object.
+@function rigidbody:getgravity()
+@treturn vector3d The direction of gravity on this object.
+*/
+//rigidbody:getgravity()
+int getgravity(lua_State *L){
+	lua_getfield(L,-1,"rigidbody");//{rigidbody},ud_rigidbody
+	btRigidBody *r = (btRigidBody*)lua_touserdata(L,-1);
+	lua_pop(L,2);//
+
+	btVector3 v = r->getGravity();
+	pushvector3d(L,v.x(),v.y(),v.z());
+
+	return 0;
+}
+
+/***
+Apply force at a reletive offset.
+@function rigidbody:applyforce(direction, offset = {0,0,0})
+@tparam vector3d direction The direction of the force to apply
+@tparam vector3d offset The offset from the center of gravity to apply the force
+*/
 //rigidbody:applyforce({x,y,z}[,{rx,ry,rz}])
 int applyforce(lua_State *L){
 	double rx,ry,rz;
@@ -62,6 +88,11 @@ int applyforce(lua_State *L){
 	return 0;
 }
 
+/***
+Gets the damping applied to this rigidbody
+@function rigidbody:getldamping()
+@treturn number damping The ammount of damping applied to the object's momentum
+*/
 //rigidbody:getldamping()
 int getlineardamping(lua_State *L){
 	lua_getfield(L,-1,"rigidbody");
@@ -74,6 +105,28 @@ int getlineardamping(lua_State *L){
 	return 1;
 }
 
+/***
+Gets the angular damping applied to this rigidbody
+@function rigidbody:getadamping()
+@treturn number damping The ammount of damping applied to angular momentum
+*/
+//rigidbody:getadamping()
+int getangulardamping(lua_State *L){
+	lua_getfield(L,-1,"rigidbody");
+	btRigidBody *r = (btRigidBody*)lua_touserdata(L,-1);
+	lua_pop(L,2);
+
+	double damp = r->getAngularDamping();
+	lua_pushnumber(L,damp);
+
+	return 1;
+}
+
+/***
+Gets the velocity of this object
+@function rigidbody:getvelocity()
+@treturn vector3 The velocity in each direction
+*/
 //rigidbody:getvelocity()
 int getvelocity(lua_State *L){
 	btVector3 vel;
@@ -86,6 +139,11 @@ int getvelocity(lua_State *L){
 	return 1;
 }
 
+/***
+Sets the velocity of this object
+@function rigidbody:setvelocity()
+@tparam vector3d direction The ammount on each axis to set the velocity of this object.
+*/
 //rigidbody:setvelocity({x,y,z})
 int setvelocity(lua_State *L){
 	double x,y,z;
@@ -101,18 +159,13 @@ int setvelocity(lua_State *L){
 	return 0;
 }
 
-//rigidbody:getadamping()
-int getangulardamping(lua_State *L){
-	lua_getfield(L,-1,"rigidbody");
-	btRigidBody *r = (btRigidBody*)lua_touserdata(L,-1);
-	lua_pop(L,2);
-
-	double damp = r->getAngularDamping();
-	lua_pushnumber(L,damp);
-
-	return 1;
-}
-
+/***
+Activates this object.
+If this object was sleeping, it will move again. If you are using
+applyforce or setvelocity, you will need to activate() the rigidbody for it
+to move.
+@function rigidbody:activate()
+*/
 //rigidbody:activate()
 int activate(lua_State *L){
 	lua_getfield(L,-1,"rigidbody");
@@ -124,6 +177,12 @@ int activate(lua_State *L){
 	return 0;
 }
 
+/***
+Sets the damping of this object.
+@function rigidbody:setdamping(damping,angular_damping)
+@tparam number damping The ammount of damping the object should put on it's movement.
+@tparam number angular_damping The ammount of damping the object should put on it's angular momentum
+*/
 //rigidbody:setdamping(lineardamping, angulardamping)
 int setdamping(lua_State *L){
 	double adamp,ldamp;