protected ParseErrorExpression BuildTriggerCondition(TriggerBuilderContext context, InterpreterScope scope, ExpressionBase condition)
{
var builder = new ScriptInterpreterAchievementBuilder();
ExpressionBase result;
if (!TriggerBuilderContext.ProcessAchievementConditions(builder, condition, scope, out result))
{
switch (condition.Type)
{
case ExpressionType.Conditional:
case ExpressionType.Comparison:
// allowed constructs should only report the inner error
return((ParseErrorExpression)result);
default:
// non-allowed construct
return(new ParseErrorExpression("comparison did not evaluate to a valid comparison", condition)
{
InnerError = (ParseErrorExpression)result
});
}
}
var error = builder.CollapseForSubClause();
if (error != null)
{
return(new ParseErrorExpression(error.Message, condition));
}
error = ModifyRequirements(builder);
if (error != null)
{
return(new ParseErrorExpression(error.Message, condition));
}
foreach (var requirement in builder.CoreRequirements)
{
context.Trigger.Add(requirement);
}
return(null);
}
public override ParseErrorExpression BuildTrigger(TriggerBuilderContext context, InterpreterScope scope, FunctionCallExpression functionCall)
{
var error = base.BuildTrigger(context, scope, functionCall);
if (error != null)
{
return(error);
}
ExpressionBase result;
var format = functionCall.Parameters.ElementAt(2);
if (!format.ReplaceVariables(scope, out result))
{
return((ParseErrorExpression)result);
}
StringConstantExpression formatStr = result as StringConstantExpression;
if (formatStr == null)
{
return(new ParseErrorExpression("format is not a string", format));
}
if (formatStr.Value != "raw")
{
if (scope.GetContext <ValueBuilderContext>() != null)
{
return(new ParseErrorExpression("Value fields only support raw measured values", format));
}
if (formatStr.Value == "percent")
{
context.LastRequirement.Type = RequirementType.MeasuredPercent;
}
else
{
return(new ParseErrorExpression("Unknown format: " + formatStr.Value, format));
}
}
var when = functionCall.Parameters.ElementAt(1);
var builder = new ScriptInterpreterAchievementBuilder();
if (!TriggerBuilderContext.ProcessAchievementConditions(builder, when, scope, out result))
{
return new ParseErrorExpression("when did not evaluate to a valid comparison", when)
{
InnerError = (ParseErrorExpression)result
}
}
;
error = builder.CollapseForSubClause();
if (error != null)
{
return(error);
}
if (builder.CoreRequirements.Count != 1 || builder.CoreRequirements.First().Evaluate() != true)
{
foreach (var requirement in builder.CoreRequirements)
{
if (requirement.Type == RequirementType.None || requirement.Type == RequirementType.AndNext)
{
requirement.Type = RequirementType.MeasuredIf;
}
context.Trigger.Add(requirement);
}
}
return(null);
}
}
public override ParseErrorExpression BuildTrigger(TriggerBuilderContext context, InterpreterScope scope, FunctionCallExpression functionCall)
{
var until = functionCall.Parameters.ElementAt(1);
// build the reset next clause
var builder = new ScriptInterpreterAchievementBuilder();
ExpressionBase result;
if (!TriggerBuilderContext.ProcessAchievementConditions(builder, until, scope, out result))
{
return new ParseErrorExpression("until did not evaluate to a valid comparison", until)
{
InnerError = (ParseErrorExpression)result
}
}
;
var error = builder.CollapseForSubClause();
if (error != null)
{
return(new ParseErrorExpression(error.Message, until));
}
var resetNextClause = new List <Requirement>();
if (builder.CoreRequirements.Count > 0 && builder.CoreRequirements.First().Evaluate() != false)
{
foreach (var requirement in builder.CoreRequirements)
{
if (requirement.Type == RequirementType.None)
{
requirement.Type = RequirementType.AndNext;
}
resetNextClause.Add(requirement);
}
resetNextClause.Last().Type = RequirementType.ResetNextIf;
}
// build the when clause
var whenContext = new TriggerBuilderContext {
Trigger = new List <Requirement>()
};
error = base.BuildTrigger(whenContext, scope, functionCall);
if (error != null)
{
return(error);
}
// 'reset next' clause first
foreach (var resetRequirement in resetNextClause)
{
context.Trigger.Add(resetRequirement);
}
// then 'when' clause. make sure to insert the 'reset next' clause after each addhits/subhits
// as they break up the 'reset next' scope.
foreach (var whenRequirement in whenContext.Trigger)
{
context.Trigger.Add(whenRequirement);
switch (whenRequirement.Type)
{
case RequirementType.AddHits:
case RequirementType.SubHits:
foreach (var resetRequirement in resetNextClause)
{
context.Trigger.Add(resetRequirement);
}
break;
default:
break;
}
}
// disable_when is a pause lock - if a hitcount was not specified assume the first hit is enough
if (context.LastRequirement.HitCount == 0)
{
context.LastRequirement.HitCount = 1;
}
return(null);
}
}
