major overhaul/part I:
- add <marker> support (blinking magenta circle to point to switches etc.) - use "real" conditions instead of tutorial-only ones - list of <error> with <message> and <condition> children, instead of one <error> group with <check> items (necessary because of <condition>) - only one <exit> (use <condition><and>... to define a set - rename properties <prop><val><msg> to <property><value><message> (consistency with other systems) - <end><message>/<voice> instead of <endtext> and <endtext-voice> etc. - add <nasal> support everywhere, with separate namespace and predefined tutorial functions in it (currently only say(), next(), previous()) - make <timeofday> property actually work TODO: - more cleanup/re-organization - add optional <view> group, to direct user view to switches (for startup tutorials etc.) 2-space indentation changed to tabs (with Stuarts permission), and braces to K&R style (rationale on request :-)
This commit is contained in:
mfranz
parent
d4863a1001
commit
7cb5ad477c
1 changed files with 257 additions and 358 deletions
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@ -21,13 +21,15 @@
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# <longitude-deg>
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# <heading-deg>
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# <airspeed-kt>
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#
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# <init> - Optional: Initialization section consist of one or more
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# set nodes:
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# <set>
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# <prop> - Property to set
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# <val> - value
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# <step> - Tutorial step - a segment of the tutorial, consisting of
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# the following:
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# <set>
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# <property> - Property to set
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# <value> - value
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#
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# <step> - Tutorial step - a segment of the tutorial, consisting of
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# the following:
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# <instruction> - Text instruction displayed when the tutorial reaches
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# this step, and when neither the exit nor any error
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# criteria have been fulfilled
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@ -36,165 +38,104 @@
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# <error> - Error conditions, causing error messages to be displayed.
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# The tutorial doesn't advance while any error conditions are
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# fulfilled. Consists of one or more check nodes:
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# <check>
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# <prop> - property to check.
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# <lt> - less than value. One of <lt>, <gt>, <eq> must be defined
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# <gt> - greater than value. One of <lt>, <gt>, <eq> must be defined
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# <eq> - equal value. One of <lt>, <gt>, <eq> must be defined
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# <msg> - Error message to display if error criteria fulfilled.
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# <msg-voice> - Optional: wav filename to play when error condition fulfilled.
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# <exit> - Exit criteria causing tutorial to progress to next step. Consists of
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# one or more check nodes. All check nodes must be fulfilled at the same
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# time of the tutorial to progress to the next step.
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# <prop> - property to check.
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# <lt> - less than value. One of <lt>, <gt>, <eq> must be defined
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# <gt> - greater than value. One of <lt>, <gt>, <eq> must be defined
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# <eq> - equal value. One of <lt>, <gt>, <eq> must be defined
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# <message> - Error message to display if error criteria fulfilled.
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# <msg-voice> - Optional: wav filename to play when error condition fulfilled.
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# <condition> - error condition (see $FG_ROOT/Docs/README.condition)
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#
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# <endtext> - Optional: Text to display when the tutorial exits the last step.
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# <endtext-voice> - Optional: wav filename to play when the tutorial exits the last step
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# <exit> - Exit criteria causing tutorial to progress to next step.
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# <condition> - exit condition (see $FG_ROOT/Docs/README.condition)
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#
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# <end>
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# <message>> - Optional: Text to display when the tutorial exits the last step.
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# <msg-voice> - Optional: wav filename to play when the tutorial exits the last step
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#
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# GLOBAL VARIABLES
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#
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# Time between tutorial steps.
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STEP_TIME = 5;
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# We also have a gap between the fulfillment of a step and the start
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# of the next step. This can be much shorter.
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STEP_EXIT = 1;
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var STEP_INTERVAL = 5; # time between tutorial steps
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var EXIT_INTERVAL = 1; # time between fulfillment of a step and the start of the next step
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m_currentStep = 0;
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m_errors = 0;
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m_tutorial = 0;
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m_firstEntry = 1;
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m_audioDir = "";
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m_lastmsgcount = 0;
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var current_step = nil;
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var num_errors = nil;
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var tutorial = nil;
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var num_step_runs = nil;
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var audio_dir = nil;
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#
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# startTutorial()
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#
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# Start a tutorial defined within xiProp
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#
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startTutorial = func {
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m_currentStep = 0;
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m_errors = 0;
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if (getprop("/sim/tutorial/current-tutorial") == nil)
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{
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# Tutorial not defined - exit
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screen.log.write("No tutorial selected");
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return;
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}
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ltutorial = getprop("/sim/tutorial/current-tutorial");
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lfound = 0;
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var startTutorial = func {
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var name = getprop("/sim/tutorial/current-tutorial");
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if (name == nil) {
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screen.log.write("No tutorial selected");
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return;
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}
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foreach(c; props.globals.getNode("/sim/tutorial").getChildren("tutorial"))
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{
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if (c.getChild("name").getValue() == ltutorial)
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{
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m_tutorial = c;
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lfound = 1;
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}
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}
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tutorial = nil;
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foreach (var c; props.globals.getNode("/sim/tutorial").getChildren("tutorial")) {
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if (c.getChild("name").getValue() == name) {
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tutorial = c;
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break;
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}
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}
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if (lfound == 0)
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{
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# Unable to find tutorial
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screen.log.write("Unable to find tutorial : " ~ ltutorial);
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return;
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}
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if (tutorial == nil) {
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screen.log.write('Unable to find tutorial "' ~ name ~ '"');
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return;
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}
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# Indicate that the tutorial is running
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screen.log.write("Loading tutorial: " ~ ltutorial ~ " ...");
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isRunning(1);
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screen.log.write('Loading tutorial "' ~ name ~ '" ...');
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is_running(1);
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current_step = 0;
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num_step_runs = 0;
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num_errors = 0;
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# If defined, get the audio directory
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if (m_tutorial.getChild("audio-dir") != nil)
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{
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fg_root = getprop("/sim/fg-root");
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m_audioDir = sprintf("%s/%s/", fg_root, m_tutorial.getChild("audio-dir").getValue());
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}
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set_properties(tutorial.getChild("init"));
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set_cursor(tutorial);
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run_nasal(tutorial);
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# Set the time of day, if present
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timeofday = m_tutorial.getChild("timeofday");
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if (timeofday != nil)
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{
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fgcommand("timeofday", props.Node.new("timeofday", timeofday.getValue()));
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}
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var dir = tutorial.getChild("audio-dir");
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if (dir != nil) {
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audio_dir = getprop("/sim/fg-root") ~ "/" ~ dir.getValue() ~ "/";
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} else {
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audio_dir = "";
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}
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# First, set any presets that might be present
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presets = m_tutorial.getChild("presets");
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var presets = tutorial.getChild("presets");
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if (presets != nil) {
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props.copy(presets, props.globals.getNode("/sim/presets"));
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fgcommand("presets-commit", props.Node.new());
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if ((presets != nil) and (presets.getChildren() != nil))
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{
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children = presets.getChildren();
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foreach(c; children)
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{
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setprop("/sim/presets/" ~ c.getName(), c.getValue());
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}
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# Set the various engines to be running
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if (getprop("/sim/presets/on-ground")) {
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var eng = props.globals.getNode("/controls/engines");
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if (eng != nil) {
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foreach (var c; eng.getChildren("engine")) {
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c.getNode("magnetos", 1).setIntValue(3);
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c.getNode("throttle", 1).setDoubleValue(0.5);
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}
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}
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}
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}
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# Apply the presets
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fgcommand("presets-commit", props.Node.new());
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var timeofday = tutorial.getChild("timeofday");
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if (timeofday != nil) {
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fgcommand("timeofday", props.Node.new({"timeofday": timeofday.getValue()}));
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}
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# Set the various engines to be running
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if (getprop("/sim/presets/on-ground"))
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{
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var eng = props.globals.getNode("/controls/engines");
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if (eng != nil)
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{
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foreach (c; eng.getChildren("engine"))
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{
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c.getNode("magnetos", 1).setIntValue(3);
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c.getNode("throttle", 1).setDoubleValue(0.5);
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}
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}
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}
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}
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# Run through any initialization nodes
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inits = m_tutorial.getChild("init");
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if ((inits != nil) and (inits.getChildren("set") != nil))
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{
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children = inits.getChildren("set");
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foreach(c; children)
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{
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setVal(c);
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}
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}
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# Pick up any weather conditions/scenarios set
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setprop("/environment/rebuild-layers", getprop("/environment/rebuild-layers")+1);
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# Set the timer to start the first tutorial step
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settimer(stepTutorial, STEP_TIME);
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# Pick up any weather conditions/scenarios set
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setprop("/environment/rebuild-layers", getprop("/environment/rebuild-layers") + 1);
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settimer(stepTutorial, STEP_INTERVAL);
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}
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#
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# stopTutorial
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#
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# Stops the current tutorial .
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#
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stopTutorial = func
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{
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isRunning(0);
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settimer(resetStop, STEP_TIME);
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var stopTutorial = func {
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is_running(0);
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set_cursor(props.Node.new());
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}
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#
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# resetStop
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#
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# Reset the stop value, having given any running tutorials the
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# chance to stop. Also reset the various state variables incase
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# they have been changed.
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resetStop = func
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{
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m_currentStep = 0;
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m_firstEntry = 1;
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m_errors = 0;
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}
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#
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# stepTutorial
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@ -211,256 +152,214 @@ resetStop = func
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# - Otherwise display the instructions for the step.
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# - Sets the timer for 5 seconds again.
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#
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stepTutorial = func {
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var stepTutorial = func {
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if (!is_running()) {
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return;
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}
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var lerror = 0;
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var ltts = nil;
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var lsnd = nil;
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var lmessage = nil;
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var voice = nil;
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var message = nil;
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if (!isRunning())
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{
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# If we've been told to stop, just do so.
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return;
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}
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# If we've reached the end of the tutorial, simply indicate and exit
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if (current_step >= size(tutorial.getChildren("step"))) {
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message = "Tutorial finished.";
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# If we've reached the end of the tutorial, simply indicate and exit
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if (m_currentStep == size(m_tutorial.getChildren("step")))
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{
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# End of tutorial.
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var end = tutorial.getNode("end");
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if (end != nil) {
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var m = end.getNode("message");
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if (m != nil) {
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message = m.getValue();
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}
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lfinished = "Tutorial finished.";
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var v = end.getNode("voice");
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if (v != nil) {
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voice = v.getValue();
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}
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run_nasal(end);
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}
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say(message, voice);
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say("Deviations : " ~ num_errors);
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is_running(0);
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return;
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}
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if (m_tutorial.getChild("endtext") != nil)
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{
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lfinished = m_tutorial.getChild("endtext").getValue();
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}
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var step = tutorial.getChildren("step")[current_step];
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set_cursor(step);
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if (m_tutorial.getChild("endtext-voice") != nil)
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{
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lsnd = m_tutorial.getChild("endtext-voice").getValue();
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}
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var instr = step.getChild("instruction");
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message = instr != nil ? instr.getValue() : "Tutorial step " ~ current_step;
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say(lfinished, lsnd);
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say("Deviations : " ~ m_errors);
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isRunning(0);
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return;
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}
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if (!num_step_runs) {
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# If this is the first time we've encountered this step :
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# - Set any values required
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# - Display any messages
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# - Play any instructions.
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#
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# We then do not go through the error or exit processing, giving the user
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# time to react to the instructions.
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lstep = m_tutorial.getChildren("step")[m_currentStep];
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if (step.getChild("instruction-voice") != nil) {
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voice = step.getChild("instruction-voice").getValue();
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}
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lmessage = "Tutorial step " ~ m_currentStep;
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say(message, voice);
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set_properties(step);
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num_step_runs += 1;
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settimer(stepTutorial, STEP_INTERVAL);
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return;
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}
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run_nasal(step);
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var error = 0;
|
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# Check for error conditions
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foreach (var e; step.getChildren("error")) {
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if (props.condition(e.getNode("condition"))) {
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error = 1;
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num_errors += 1;
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run_nasal(e);
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var m = e.getNode("message");
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if (m != nil) {
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message = m.getValue();
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var v = e.getChild("msg-voice");
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voice = v != nil ? v.getValue() : nil;
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}
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}
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}
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if (lstep.getChild("instruction") != nil)
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{
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# By default, display the current instruction
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lmessage = lstep.getChild("instruction").getValue();
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}
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# Check for exit condition, but only if we didn't hit any errors
|
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if (!error) {
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var e = step.getNode("exit");
|
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if (e != nil) {
|
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if (props.condition(e.getNode("condition"))) {
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run_nasal(e);
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current_step += 1;
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num_step_runs = 0;
|
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return settimer(stepTutorial, EXIT_INTERVAL);
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}
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} else {
|
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current_step += 1;
|
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num_step_runs = 0;
|
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return settimer(stepTutorial, EXIT_INTERVAL);
|
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}
|
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}
|
||||
|
||||
if (m_firstEntry == 1)
|
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{
|
||||
# If this is the first time we've encountered this step :
|
||||
# - Set any values required
|
||||
# - Display any messages
|
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# - Play any instructions.
|
||||
#
|
||||
# We then do not go through the error or exit processing, giving the user
|
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# time to react to the instructions.
|
||||
|
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if (lstep.getChild("instruction-voice") != nil)
|
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{
|
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lsnd = lstep.getChild("instruction-voice").getValue();
|
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}
|
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|
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say(lmessage, lsnd);
|
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|
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# Set any properties
|
||||
foreach (c; lstep.getChildren("set"))
|
||||
{
|
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setVal(c);
|
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}
|
||||
|
||||
m_firstEntry = 0;
|
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settimer(stepTutorial, STEP_TIME);
|
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return;
|
||||
}
|
||||
|
||||
# Check for error conditions
|
||||
if ((lstep.getChild("error") != nil) and
|
||||
(lstep.getChild("error").getChildren("check") != nil))
|
||||
{
|
||||
#print("Checking errors");
|
||||
|
||||
foreach(c; lstep.getChild("error").getChildren("check"))
|
||||
{
|
||||
if (checkVal(c))
|
||||
{
|
||||
# and error condition was fulfilled - set the error message
|
||||
lerror = 1;
|
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m_errors += 1;
|
||||
|
||||
if (c.getChild("msg") != nil)
|
||||
{
|
||||
lmessage = c.getChild("msg").getValue();
|
||||
|
||||
if (c.getChild("msg-voice") != nil)
|
||||
{
|
||||
lsnd = c.getChild("msg-voice").getValue();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
# Check for exit condition, but only if we didn't hit any errors
|
||||
if (lerror == 0)
|
||||
{
|
||||
if ((lstep.getChild("exit") == nil) or
|
||||
(lstep.getChild("exit").getChildren("check") == nil))
|
||||
{
|
||||
m_currentStep += 1;
|
||||
m_firstEntry = 1;
|
||||
settimer(stepTutorial, STEP_EXIT);
|
||||
return;
|
||||
}
|
||||
else
|
||||
{
|
||||
lexit = 1;
|
||||
foreach(c; lstep.getChild("exit").getChildren("check"))
|
||||
{
|
||||
if (checkVal(c) == 0)
|
||||
{
|
||||
lexit = 0;
|
||||
}
|
||||
}
|
||||
|
||||
if (lexit == 1)
|
||||
{
|
||||
# Passed all exit steps
|
||||
m_currentStep += 1;
|
||||
m_firstEntry = 1;
|
||||
settimer(stepTutorial, STEP_EXIT);
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
# Display the resulting message and wait to go around again.
|
||||
say(lmessage, lsnd, lerror);
|
||||
|
||||
settimer(stepTutorial, STEP_TIME);
|
||||
# Display the resulting message and wait to go around again.
|
||||
say(message, voice, error);
|
||||
settimer(stepTutorial, STEP_INTERVAL);
|
||||
}
|
||||
|
||||
# Set a value in the property tree based on an entry of the form
|
||||
|
||||
# scan all <set> blocks and set their <property> to <value>
|
||||
# <set>
|
||||
# <prop>/foo/bar</prop>
|
||||
# <val>woof</val>
|
||||
# <property>/foo/bar</property>
|
||||
# <value>woof</value>
|
||||
# </set>
|
||||
#
|
||||
setVal = func(node) {
|
||||
var set_properties = func(node) {
|
||||
node != nil or return;
|
||||
foreach (var c; node.getChildren("set")) {
|
||||
var p = c.getChild("property").getValue();
|
||||
var v = c.getChild("value").getValue();
|
||||
|
||||
if (node.getName("set"))
|
||||
{
|
||||
lprop = node.getChild("prop").getValue();
|
||||
lval = node.getChild("val").getValue();
|
||||
|
||||
if ((lprop != nil) and (lval != nil))
|
||||
{
|
||||
setprop(lprop, lval);
|
||||
}
|
||||
}
|
||||
if (p != nil and v != nil) {
|
||||
setprop(p, v);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
# Check a value in the property tree based on an entry of the form
|
||||
#
|
||||
# <check>
|
||||
# <prop>/foo/bar</prop>
|
||||
# <_operator_>woof</_operator_>
|
||||
#
|
||||
# where _operator_ may be one of "eq", "lt", "gt"
|
||||
#
|
||||
checkVal = func(node) {
|
||||
|
||||
if (node.getName("check"))
|
||||
{
|
||||
lprop = node.getChild("prop").getValue();
|
||||
var set_cursor = func(node) {
|
||||
node != nil or return;
|
||||
var loc = node.getNode("marker");
|
||||
if (loc == nil) {
|
||||
marker.getNode("arrow-enabled", 1).setBoolValue(0);
|
||||
return;
|
||||
}
|
||||
|
||||
if (getprop(lprop) == nil)
|
||||
{
|
||||
# This is probably an error
|
||||
print("Undefined property: " ~ lprop);
|
||||
return 0;
|
||||
}
|
||||
|
||||
if ((node.getChild("eq") != nil) and
|
||||
(getprop(lprop) == node.getChild("eq").getValue()))
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
|
||||
if ((node.getChild("lt") != nil) and
|
||||
(getprop(lprop) < node.getChild("lt").getValue() ))
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
|
||||
if ((node.getChild("gt") != nil) and
|
||||
(getprop(lprop) > node.getChild("gt").getValue() ))
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
var s = loc.getNode("scale");
|
||||
marker.setValues({
|
||||
"x/value": loc.getNode("x", 1).getValue(),
|
||||
"y/value": loc.getNode("y", 1).getValue(),
|
||||
"z/value": loc.getNode("z", 1).getValue(),
|
||||
"scale/value": s != nil ? s.getValue() : 1,
|
||||
"arrow-enabled": 1,
|
||||
});
|
||||
}
|
||||
|
||||
|
||||
#
|
||||
# Set and return running state. Disable/enable stop menu.
|
||||
#
|
||||
isRunning = func(which=nil)
|
||||
{
|
||||
var prop = "/sim/tutorial/running";
|
||||
if (which != nil)
|
||||
{
|
||||
setprop(prop, which);
|
||||
gui.menuEnable("tutorial-stop", which);
|
||||
}
|
||||
return getprop(prop);
|
||||
var is_running = func(which = nil) {
|
||||
var prop = "/sim/tutorial/running";
|
||||
if (which != nil) {
|
||||
setprop(prop, which);
|
||||
gui.menuEnable("tutorial-stop", which);
|
||||
}
|
||||
return getprop(prop);
|
||||
}
|
||||
|
||||
|
||||
#
|
||||
# Output the message and optional sound recording.
|
||||
#
|
||||
say = func(msg, snd=nil, lerror=0)
|
||||
{
|
||||
var lastmsg = getprop("/sim/tutorial/last-message");
|
||||
var m_lastmsgcount = 0;
|
||||
var say = func(msg, snd = nil, lerror = 0) {
|
||||
var lastmsg = getprop("/sim/tutorial/last-message");
|
||||
|
||||
if ((msg != lastmsg) or (lerror == 1 and m_lastmsgcount == 1))
|
||||
{
|
||||
# Error messages are only displayed every 10 seconds (2 iterations)
|
||||
# Other messages are only displayed if they change
|
||||
if (snd == nil)
|
||||
{
|
||||
# Simply set to the co-pilot channel. TTS is picked up automatically.
|
||||
setprop("/sim/messages/copilot", msg);
|
||||
}
|
||||
else
|
||||
{
|
||||
# Play the audio, and write directly to the screen-logger to avoid
|
||||
# any tts being sent to festival.
|
||||
lprop = { path : m_audioDir, file : snd };
|
||||
fgcommand("play-audio-message", props.Node.new(lprop) );
|
||||
screen.log.write(msg, 1, 1, 1);
|
||||
}
|
||||
if ((msg != lastmsg) or (lerror == 1 and m_lastmsgcount == 1)) {
|
||||
# Error messages are only displayed every 10 seconds (2 iterations)
|
||||
# Other messages are only displayed if they change
|
||||
if (snd == nil) {
|
||||
# Simply set to the co-pilot channel. TTS is picked up automatically.
|
||||
setprop("/sim/messages/copilot", msg);
|
||||
} else {
|
||||
# Play the audio, and write directly to the screen-logger to avoid
|
||||
# any tts being sent to festival.
|
||||
lprop = { path : audio_dir, file : snd };
|
||||
fgcommand("play-audio-message", props.Node.new(lprop) );
|
||||
screen.log.write(msg, 1, 1, 1);
|
||||
}
|
||||
|
||||
setprop("/sim/tutorial/last-message", msg);
|
||||
m_lastmsgcount = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
m_lastmsgcount += 1;
|
||||
}
|
||||
setprop("/sim/tutorial/last-message", msg);
|
||||
m_lastmsgcount = 0;
|
||||
} else {
|
||||
m_lastmsgcount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
var run_nasal = func(node) {
|
||||
node != nil or return;
|
||||
foreach (var n; node.getChildren("nasal")) {
|
||||
if (n.getNode("module") == nil) {
|
||||
n.getNode("module", 1).setValue("__tut");
|
||||
}
|
||||
fgcommand("nasal", n);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
globals.__tut = {
|
||||
say : say,
|
||||
next : func { current_step += 1; num_step_runs = 0 },
|
||||
previous : func {
|
||||
if (current_step > 0) {
|
||||
current_step -= 1;
|
||||
}
|
||||
num_step_runs = 0;
|
||||
},
|
||||
};
|
||||
|
||||
|
||||
var marker = nil;
|
||||
_setlistener("/sim/signals/nasal-dir-initialized", func {
|
||||
marker = props.globals.getNode("/sim/model/marker", 1);
|
||||
});
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue