Globals:
ACTION_FIRE = 0
ACTION_ALT_FIRE = 1
ACTION_RELOAD = 2
ACTION_USE = 3

ANIM_PLAYBACK_NONE = 0
ANIM_PLAYBACK_REPEAT = 1

EMovementDir_None = 1
EMovementDir_Forward = 2
EMovementDir_Backward = 4
EMovementDir_Left = 8
EMovementDir_Right = 16
EMovementDir_Jump = 32

engine.error(string message)
engine.warning(string message)
engine.create_entity(string classname) -- return an table to the new entity
engine.add_entity_to_world(entity) -- add entity to the world
engine.get_entity_from_id(integer id) -- return an entity table from
engine.find_entity_by_name(string name) -- return an entity table from
engine.play_sound(string filename) -- play 2d sound
engine.play_sound_3d(string filename, float x, float y, float z) -- play 3d sound
engine.get_delta() -- return delta time (float)
engine.trace_ray(float rayBeginX, float rayBeginY, float rayBeginZ, float rayEndX, float rayEndY, float rayEndZ, object ignoreTable) -- return a table with [pos_x, pos_y, pos_z, normal_x, normal_y, normal_z, entity_id, hit]

camera.get_position() -- return x, y, z
camera.get_front() -- return x, y, z
camera.get_right() -- return x, y, z
camera.get_up() -- return float
camera.get_pitch() -- return float
camera.set_yaw_pitch(float yaw, float pitch)

console.print(string message)

input.get_mouse_pos() -- return x, y
input.get_delta_mouse_pos() -- return x, y
input.lock_mouse(bool value) -- lock or unlock mouse capture
input.get_lock_mouse() -- return boolean

ui.draw_text(string text, float x, float y, object color) -- color is a table [r,g,b,a]
ui.draw_rect(float x, float y, float w, float h, object color) -- color is a table [r,g,b,a]
ui.draw_image(string filename, float x, float y, float w, float h, object color) -- color is a table [r,g,b,a]
ui.get_display_size() -- return x, y
ui.get_mouse_pos() -- return x, y
ui.calc_text_width(string text) -- return float

Entity properties:
string m_name -- read only
integer m_id -- read only


Entity callbacks:
on_init() -- on entity creation
on_shutdown() -- on entity destroy 
on_update(delta) -- on entity update
on_collide(other) -- on entity collide with another entity

Entity methods:
load_model(string filename)

update_transform()

translate(float x, float y, float z) -- addition to the current position

set_position(float x, float y, float z) -- setting the position

get_position() -- return x, y, z

set_rotation(float x, float y, float z) -- setting the euler rotation

get_rotation() -- return x, y, z

set_rotation_from_vectors(float frontx, float fronty, float frontz,
	float rightx, float righty, float rightz, 
	float upx, float upy, float upz) -- rotate around axis

get_classname() -- return the classname of the entity
get_id() -- return the id of the entity
mark_for_delete() -- mark entity to delete
set_name(string name) -- set entity name
get_name() -- return string

set_velocity(float x, float y, float z) -- setting the body velocity
get_velocity()  -- return x, y, z
has_rigid_body() -- return boolean
create_box_body(float sizex, float sizey, float sizez, float mass, float friction, float damping, bool is_trigger, bool use_parameters)
create_sphere_body(float radius, float mass, float friction, float damping, bool is_trigger, bool use_parameters)
ForceBodyTransformUpdate() -- hack for forcing entity world transform to the rigid body


find_animation(string name) -- find an animation in the model
play_animation(integer id, integer mode) -- play an animation with specified mode (ANIM_PLAYBACK_NONE, ANIM_PLAYBACK_REPEAT) 
stop_animation() -- stop a current animation
get_current_animation() -- return the id to the current playing animation
get_current_animation_time() -- return the current time of the current playing animation
get_animation_time(integer id) -- return the time of a animation



ActorBase methods:
activate_camera()
update_camera_look()
update_camera_movement(float nubmer)
create_player_body()
update_body_movement(float nubmer)
get_action() -- return a current action mode (ACTION_FIRE, ACTION_ALT_FIRE, ACTION_RELOAD, ACTION_USE) 
get_movement() -- return a current movement mode (EMovementDir_None, ...)
on_ground() -- return boolean
is_noclip() -- return boolean


Light methods:
set_color(float r, float g, float b)
get_color() -- return r, g, b

set_radius(float radius)
get_radius() -- return radius (float)