Add support for the GDScript language

References:
* https://github.com/okamstudio/godot/wiki/gdscript
* http://www.godotengine.org/

Some projects using it:
* https://github.com/okamstudio/godot
* https://github.com/Qwertie-/Godot-games

My motivation for adding it: To disambiguate these .gd
files from GAP .gd files.
This commit is contained in:
Max Horn
2014-09-15 14:28:16 +02:00
parent c204d7c297
commit 393c9b759e
5 changed files with 595 additions and 0 deletions

View File

@@ -785,6 +785,12 @@ GAS:
- .s
- .S
GDScript:
type: programming
lexer: Text only
extensions:
- .gd
GLSL:
group: C
type: programming

View File

@@ -0,0 +1,57 @@
# Taken from https://github.com/okamstudio/godot/wiki/gdscript
# a file is a class!
# inheritance
extends BaseClass
# member variables
var a = 5
var s = "Hello"
var arr = [1, 2, 3]
var dict = {"key":"value", 2:3}
# constants
const answer = 42
const thename = "Charly"
# built-in vector types
var v2 = Vector2(1, 2)
var v3 = Vector3(1, 2, 3)
# function
func some_function(param1, param2):
var local_var = 5
if param1 < local_var:
print(param1)
elif param2 > 5:
print(param2)
else:
print("fail!")
for i in range(20):
print(i)
while(param2 != 0):
param2 -= 1
var local_var2 = param1+3
return local_var2
# subclass
class Something:
var a = 10
# constructor
func _init():
print("constructed!")
var lv = Something.new()
print(lv.a)

216
samples/GDScript/grid.gd Normal file
View File

@@ -0,0 +1,216 @@
extends Control
# Simple Tetris-like demo, (c) 2012 Juan Linietsky
# Implemented by using a regular Control and drawing on it during the _draw() callback.
# The drawing surface is updated only when changes happen (by calling update())
var score = 0
var score_label=null
const MAX_SHAPES = 7
var block = preload("block.png")
var block_colors=[
Color(1,0.5,0.5),
Color(0.5,1,0.5),
Color(0.5,0.5,1),
Color(0.8,0.4,0.8),
Color(0.8,0.8,0.4),
Color(0.4,0.8,0.8),
Color(0.7,0.7,0.7)]
var block_shapes=[
[ Vector2(0,-1),Vector2(0,0),Vector2(0,1),Vector2(0,2) ], # I
[ Vector2(0,0),Vector2(1,0),Vector2(1,1),Vector2(0,1) ], # O
[ Vector2(-1,1),Vector2(0,1),Vector2(0,0),Vector2(1,0) ], # S
[ Vector2(1,1),Vector2(0,1),Vector2(0,0),Vector2(-1,0) ], # Z
[ Vector2(-1,1),Vector2(-1,0),Vector2(0,0),Vector2(1,0) ], # L
[ Vector2(1,1),Vector2(1,0),Vector2(0,0),Vector2(-1,0) ], # J
[ Vector2(0,1),Vector2(1,0),Vector2(0,0),Vector2(-1,0) ]] # T
var block_rotations=[
Matrix32( Vector2(1,0),Vector2(0,1), Vector2() ),
Matrix32( Vector2(0,1),Vector2(-1,0), Vector2() ),
Matrix32( Vector2(-1,0),Vector2(0,-1), Vector2() ),
Matrix32( Vector2(0,-1),Vector2(1,0), Vector2() )
]
var width=0
var height=0
var cells={}
var piece_active=false
var piece_shape=0
var piece_pos=Vector2()
var piece_rot=0
func piece_cell_xform(p,er=0):
var r = (4+er+piece_rot)%4
return piece_pos+block_rotations[r].xform(p)
func _draw():
var sb = get_stylebox("bg","Tree") # use line edit bg
draw_style_box(sb,Rect2(Vector2(),get_size()).grow(3))
var bs = block.get_size()
for y in range(height):
for x in range(width):
if (Vector2(x,y) in cells):
draw_texture_rect(block,Rect2(Vector2(x,y)*bs,bs),false,block_colors[cells[Vector2(x,y)]])
if (piece_active):
for c in block_shapes[piece_shape]:
draw_texture_rect(block,Rect2(piece_cell_xform(c)*bs,bs),false,block_colors[piece_shape])
func piece_check_fit(ofs,er=0):
for c in block_shapes[piece_shape]:
var pos = piece_cell_xform(c,er)+ofs
if (pos.x < 0):
return false
if (pos.y < 0):
return false
if (pos.x >= width):
return false
if (pos.y >= height):
return false
if (pos in cells):
return false
return true
func new_piece():
piece_shape = randi() % MAX_SHAPES
piece_pos = Vector2(width/2,0)
piece_active=true
piece_rot=0
if (piece_shape==0):
piece_pos.y+=1
if (not piece_check_fit(Vector2())):
#game over
#print("GAME OVER!")
game_over()
update()
func test_collapse_rows():
var accum_down=0
for i in range(height):
var y = height - i - 1
var collapse = true
for x in range(width):
if (Vector2(x,y) in cells):
if (accum_down):
cells[ Vector2(x,y+accum_down) ] = cells[Vector2(x,y)]
else:
collapse=false
if (accum_down):
cells.erase( Vector2(x,y+accum_down) )
if (collapse):
accum_down+=1
score+=accum_down*100
score_label.set_text(str(score))
func game_over():
piece_active=false
get_node("gameover").set_text("Game Over")
update()
func restart_pressed():
score=0
score_label.set_text("0")
cells.clear()
get_node("gameover").set_text("")
piece_active=true
update()
func piece_move_down():
if (!piece_active):
return
if (piece_check_fit(Vector2(0,1))):
piece_pos.y+=1
update()
else:
for c in block_shapes[piece_shape]:
var pos = piece_cell_xform(c)
cells[pos]=piece_shape
test_collapse_rows()
new_piece()
func piece_rotate():
var adv = 1
if (not piece_check_fit(Vector2(),1)):
return
piece_rot = (piece_rot + adv) % 4
update()
func _input(ie):
if (not piece_active):
return
if (!ie.is_pressed()):
return
if (ie.is_action("move_left")):
if (piece_check_fit(Vector2(-1,0))):
piece_pos.x-=1
update()
elif (ie.is_action("move_right")):
if (piece_check_fit(Vector2(1,0))):
piece_pos.x+=1
update()
elif (ie.is_action("move_down")):
piece_move_down()
elif (ie.is_action("rotate")):
piece_rotate()
func setup(w,h):
width=w
height=h
set_size( Vector2(w,h)*block.get_size() )
new_piece()
get_node("timer").start()
func _ready():
# Initalization here
setup(10,20)
score_label = get_node("../score")
set_process_input(true)

243
samples/GDScript/player.gd Normal file
View File

@@ -0,0 +1,243 @@
extends RigidBody
# member variables here, example:
# var a=2
# var b="textvar"
#var dir=Vector3()
const ANIM_FLOOR = 0
const ANIM_AIR_UP = 1
const ANIM_AIR_DOWN = 2
const SHOOT_TIME = 1.5
const SHOOT_SCALE = 2
const CHAR_SCALE = Vector3(0.3,0.3,0.3)
var facing_dir = Vector3(1, 0, 0)
var movement_dir = Vector3()
var jumping=false
var turn_speed=40
var keep_jump_inertia = true
var air_idle_deaccel = false
var accel=19.0
var deaccel=14.0
var sharp_turn_threshhold = 140
var max_speed=3.1
var on_floor = false
var prev_shoot = false
var last_floor_velocity = Vector3()
var shoot_blend = 0
func adjust_facing(p_facing, p_target,p_step, p_adjust_rate,current_gn):
var n = p_target # normal
var t = n.cross(current_gn).normalized()
var x = n.dot(p_facing)
var y = t.dot(p_facing)
var ang = atan2(y,x)
if (abs(ang)<0.001): # too small
return p_facing
var s = sign(ang)
ang = ang * s
var turn = ang * p_adjust_rate * p_step
var a
if (ang<turn):
a=ang
else:
a=turn
ang = (ang - a) * s
return ((n * cos(ang)) + (t * sin(ang))) * p_facing.length()
func _integrate_forces( state ):
var lv = state.get_linear_velocity() # linear velocity
var g = state.get_total_gravity()
var delta = state.get_step()
var d = 1.0 - delta*state.get_total_density()
if (d<0):
d=0
lv += g * delta #apply gravity
var anim = ANIM_FLOOR
var up = -g.normalized() # (up is against gravity)
var vv = up.dot(lv) # vertical velocity
var hv = lv - (up*vv) # horizontal velocity
var hdir = hv.normalized() # horizontal direction
var hspeed = hv.length() #horizontal speed
var floor_velocity
var onfloor = false
if (state.get_contact_count() == 0):
floor_velocity = last_floor_velocity
else:
for i in range(state.get_contact_count()):
if (state.get_contact_local_shape(i) != 1):
continue
onfloor = true
floor_velocity = state.get_contact_collider_velocity_at_pos(i)
break
var dir = Vector3() #where does the player intend to walk to
var cam_xform = get_node("target/camera").get_global_transform()
if (Input.is_action_pressed("move_forward")):
dir+=-cam_xform.basis[2]
if (Input.is_action_pressed("move_backwards")):
dir+=cam_xform.basis[2]
if (Input.is_action_pressed("move_left")):
dir+=-cam_xform.basis[0]
if (Input.is_action_pressed("move_right")):
dir+=cam_xform.basis[0]
var jump_attempt = Input.is_action_pressed("jump")
var shoot_attempt = Input.is_action_pressed("shoot")
var target_dir = (dir - up*dir.dot(up)).normalized()
if (onfloor):
var sharp_turn = hspeed > 0.1 and rad2deg(acos(target_dir.dot(hdir))) > sharp_turn_threshhold
if (dir.length()>0.1 and !sharp_turn) :
if (hspeed > 0.001) :
#linear_dir = linear_h_velocity/linear_vel
#if (linear_vel > brake_velocity_limit and linear_dir.dot(ctarget_dir)<-cos(Math::deg2rad(brake_angular_limit)))
# brake=true
#else
hdir = adjust_facing(hdir,target_dir,delta,1.0/hspeed*turn_speed,up)
facing_dir = hdir
else:
hdir = target_dir
if (hspeed<max_speed):
hspeed+=accel*delta
else:
hspeed-=deaccel*delta
if (hspeed<0):
hspeed=0
hv = hdir*hspeed
var mesh_xform = get_node("Armature").get_transform()
var facing_mesh=-mesh_xform.basis[0].normalized()
facing_mesh = (facing_mesh - up*facing_mesh.dot(up)).normalized()
facing_mesh = adjust_facing(facing_mesh,target_dir,delta,1.0/hspeed*turn_speed,up)
var m3 = Matrix3(-facing_mesh,up,-facing_mesh.cross(up).normalized()).scaled( CHAR_SCALE )
get_node("Armature").set_transform(Transform(m3,mesh_xform.origin))
if (not jumping and jump_attempt):
vv = 7.0
jumping = true
get_node("sfx").play("jump")
else:
if (vv>0):
anim=ANIM_AIR_UP
else:
anim=ANIM_AIR_DOWN
var hs
if (dir.length()>0.1):
hv += target_dir * (accel * 0.2) * delta
if (hv.length() > max_speed):
hv = hv.normalized() * max_speed
else:
if (air_idle_deaccel):
hspeed = hspeed - (deaccel * 0.2) * delta
if (hspeed<0):
hspeed=0
hv = hdir*hspeed
if (jumping and vv < 0):
jumping=false
lv = hv+up*vv
if (onfloor):
movement_dir = lv
#lv += floor_velocity
last_floor_velocity = floor_velocity
else:
if (on_floor) :
#if (keep_jump_inertia):
# lv += last_floor_velocity
pass
last_floor_velocity = Vector3()
movement_dir = lv
on_floor = onfloor
state.set_linear_velocity(lv)
if (shoot_blend>0):
shoot_blend -= delta * SHOOT_SCALE
if (shoot_blend<0):
shoot_blend=0
if (shoot_attempt and not prev_shoot):
shoot_blend = SHOOT_TIME
var bullet = preload("res://bullet.scn").instance()
bullet.set_transform( get_node("Armature/bullet").get_global_transform().orthonormalized() )
get_parent().add_child( bullet )
bullet.set_linear_velocity( get_node("Armature/bullet").get_global_transform().basis[2].normalized() * 20 )
PS.body_add_collision_exception( bullet.get_rid(), get_rid() ) #add it to bullet
get_node("sfx").play("shoot")
prev_shoot = shoot_attempt
if (onfloor):
get_node("AnimationTreePlayer").blend2_node_set_amount("walk",hspeed / max_speed)
get_node("AnimationTreePlayer").transition_node_set_current("state",anim)
get_node("AnimationTreePlayer").blend2_node_set_amount("gun",min(shoot_blend,1.0))
# state.set_angular_velocity(Vector3())
func _ready():
# Initalization here
get_node("AnimationTreePlayer").set_active(true)
pass

73
samples/GDScript/pong.gd Normal file
View File

@@ -0,0 +1,73 @@
extends Node2D
# member variables here, example:
# var a=2
# var b="textvar"
const INITIAL_BALL_SPEED = 80
var ball_speed = INITIAL_BALL_SPEED
var screen_size = Vector2(640,400)
#default ball direction
var direction = Vector2(-1,0)
var pad_size = Vector2(8,32)
const PAD_SPEED = 150
func _process(delta):
# get ball positio and pad rectangles
var ball_pos = get_node("ball").get_pos()
var left_rect = Rect2( get_node("left").get_pos() - pad_size*0.5, pad_size )
var right_rect = Rect2( get_node("right").get_pos() - pad_size*0.5, pad_size )
#integrate new ball postion
ball_pos+=direction*ball_speed*delta
#flip when touching roof or floor
if ( (ball_pos.y<0 and direction.y <0) or (ball_pos.y>screen_size.y and direction.y>0)):
direction.y = -direction.y
#flip, change direction and increase speed when touching pads
if ( (left_rect.has_point(ball_pos) and direction.x < 0) or (right_rect.has_point(ball_pos) and direction.x > 0)):
direction.x=-direction.x
ball_speed*=1.1
direction.y=randf()*2.0-1
direction = direction.normalized()
#check gameover
if (ball_pos.x<0 or ball_pos.x>screen_size.x):
ball_pos=screen_size*0.5
ball_speed=INITIAL_BALL_SPEED
direction=Vector2(-1,0)
get_node("ball").set_pos(ball_pos)
#move left pad
var left_pos = get_node("left").get_pos()
if (left_pos.y > 0 and Input.is_action_pressed("left_move_up")):
left_pos.y+=-PAD_SPEED*delta
if (left_pos.y < screen_size.y and Input.is_action_pressed("left_move_down")):
left_pos.y+=PAD_SPEED*delta
get_node("left").set_pos(left_pos)
#move right pad
var right_pos = get_node("right").get_pos()
if (right_pos.y > 0 and Input.is_action_pressed("right_move_up")):
right_pos.y+=-PAD_SPEED*delta
if (right_pos.y < screen_size.y and Input.is_action_pressed("right_move_down")):
right_pos.y+=PAD_SPEED*delta
get_node("right").set_pos(right_pos)
func _ready():
screen_size = get_viewport_rect().size # get actual size
pad_size = get_node("left").get_texture().get_size()
set_process(true)