# Generated by OpenSesame 0.27.1 (Frisky Freud)
# Thu Feb 21 11:33:44 2013 (posix)
# <http://www.cogsci.nl/opensesame>

set foreground "white"
set subject_parity "even"
set description "A template containing a practice and an experimental phase"
set title "Extended template"
set compensation "0"
set coordinates "relative"
set height "768"
set mouse_backend "xpyriment"
set width "1024"
set sampler_backend "legacy"
set keyboard_backend "legacy"
set background "black"
set subject_nr "0"
set canvas_backend "xpyriment"
set start "experiment"
set synth_backend "legacy"

define inline_script create_block_list
	set _run ""
	___prepare__
	# Import the built-in Python module 'random':
	import random

	# Define constant variables. (Adapt those values
	# to your specific situation):

	nTrials = 10 # nr of trials in one block
	pWanted = .7 # chance that the intended response effect occurs
	pDifferent = .3 # chance that another response effect occurs

	# Create a list containing 10 items. 7 of the items have the value
	# 'desired', 3 of the items have the value 'different':
	blockList = ["desired"] * int(nTrials * pWanted) + ["different"] * int(nTrials * pDifferent)

	# Next, use the random.shuffle() function to
	# randomize the order of the items in the list:
	random.shuffle(blockList)

	# Finally, make the list global such that we
	# can use it in other inline_script items as well:
	global blockList
	__end__
	set description "Executes Python code"

define reset_feedback reset_feedback

define loop block_loop
	set repeat "1"
	set description "A single block of trials"
	set skip "0"
	set offset "no"
	set item "trial_sequence"
	set column_order ""
	set cycles "10"
	set order "random"
	run trial_sequence

define inline_script determine_sketchpad
	set _run ""
	___prepare__
	# Determine which response effect will
	# appear after a keyboard response:

	# We'll do this by 'popping' (i.e. drawing without replacement)
	# one item from the previously prepared blockList.
	responseEffect = blockList.pop()

	# Set the variable using the exp.set() function.
	# By doing so, we make sure the variable is available
	# in the graphical interface as well. This enables us,
	# for example, to log the variable and to use the square-
	# bracket method.
	# See also:
	# http://osdoc.cogsci.nl/usage/variables-and-conditional-qifq-statements/
	exp.set("responseEffect", responseEffect)
	__end__
	set description "Executes Python code"

define sketchpad different_response_effect
	set duration "700"
	set description "Displays stimuli"
	draw textline 0.0 -160.0 "different response effect" center=1 color=red font_family="mono" font_size=18 font_italic=no font_bold=no show_if="always"
	draw textline 0.0 -96.0 "appears with a probability of 30%" center=1 color=red font_family="mono" font_size=18 font_italic=no font_bold=no show_if="always"

define sketchpad sketchpad
	set duration "0"
	set description "Displays stimuli"
	set start_response_interval "no"
	draw textline 0.0 -96.0 "" center=1 color=white font_family="mono" font_size=18 font_italic=no font_bold=no show_if="always"
	draw textline 0.0 -224.0 "Press 'z'" center=1 color=white font_family="mono" font_size=18 font_italic=no font_bold=no show_if="always"

define sequence experiment
	set flush_keyboard "yes"
	set description "The main sequence of the experiment"
	run experimental_loop "always"

define sequence trial_sequence
	set flush_keyboard "yes"
	set description "A single trial"
	run determine_sketchpad "always"
	run sketchpad "always"
	run keyboard_response "always"
	run desired_response_effect "[responseEffect] = desired"
	run different_response_effect "[responseEffect] = different"
	run logger "always"

define loop experimental_loop
	set repeat "1"
	set description "A loop containing one or more experimental blocks"
	set item "block_sequence"
	set column_order "practice"
	set cycles "1"
	set order "random"
	setcycle 0 practice "no"
	run block_sequence

define keyboard_response keyboard_response
	set correct_response "z"
	set allowed_responses "z"
	set description "Collects keyboard responses"
	set timeout "infinite"
	set flush "yes"

define logger logger
	set description "Logs experimental data"

define sketchpad desired_response_effect
	set duration "700"
	set description "Displays stimuli"
	draw textline 0.0 -128.0 "desired response effect" center=1 color=green font_family="mono" font_size=18 font_italic=no font_bold=no show_if="always"
	draw textline 0.0 -64.0 "appears with a probability of 70%" center=1 color=green font_family="mono" font_size=18 font_italic=no font_bold=no show_if="always"

define sequence block_sequence
	set flush_keyboard "yes"
	set description "A sequence containing a single block of trials followed by feedback to the participant"
	run create_block_list "always"
	run reset_feedback "always"
	run block_loop "always"