private static NgParameterRange DetectPattern(NgParameterRange parameter, NgBlock dbgBlock)
{
if (parameter.Kind != NgParameterKind.FixedEnumeration)
{
return(parameter);
}
// Parse the numbers inside the strings.
var unmappedEnums = new List <Parsed>();
foreach (var entry in parameter.FixedEnumeration)
{
unmappedEnums.Add(new Parsed {
Original = entry.Value, Substrings = SplitIntoNumbers(entry.Value.Name)
});
}
unmappedEnums.Sort();
var outputChoice = new List <NgParameterRange>();
while (DetectLinearity(outputChoice, unmappedEnums, dbgBlock))
{
}
return(new NgParameterRange(outputChoice));
}
private static NgParameterRange GetList(NgBlock block)
{
if (block.Items.Count == 1 && block.Items[0].StartsWith("#"))
{
// Special list
var list = block.Items[0];
// Dynamic list?
if (list == "#ROOMS_255#")
{
return(new NgParameterRange(NgParameterKind.Rooms255));
}
else if (list == "#SOUND_EFFECT_A#")
{
return(new NgParameterRange(NgParameterKind.SoundEffectsA));
}
else if (list == "#SOUND_EFFECT_B#")
{
return(new NgParameterRange(NgParameterKind.SoundEffectsB));
}
else if (list == "#SFX_1024#")
{
return(new NgParameterRange(NgParameterKind.Sfx1024));
}
else if (list == "#NG_STRING_LIST_255#")
{
return(new NgParameterRange(NgParameterKind.NgStringsList255));
}
else if (list == "#NG_STRING_LIST_ALL#")
{
return(new NgParameterRange(NgParameterKind.NgStringsAll));
}
else if (list == "#PSX_STRING_LIST#")
{
return(new NgParameterRange(NgParameterKind.PsxStringsList));
}
else if (list == "#PC_STRING_LIST#")
{
return(new NgParameterRange(NgParameterKind.PcStringsList));
}
else if (list == "#STRING_LIST_255#")
{
return(new NgParameterRange(NgParameterKind.StringsList255));
}
else if (list == "#MOVEABLES#")
{
return(new NgParameterRange(NgParameterKind.MoveablesInLevel));
}
else if (list == "#SINK_LIST#")
{
return(new NgParameterRange(NgParameterKind.SinksInLevel));
}
else if (list == "#STATIC_LIST#")
{
return(new NgParameterRange(NgParameterKind.StaticsInLevel));
}
else if (list == "#FLYBY_LIST#")
{
return(new NgParameterRange(NgParameterKind.FlybyCamerasInLevel));
}
else if (list == "#CAMERA_EFFECTS#")
{
return(new NgParameterRange(NgParameterKind.CamerasInLevel));
}
else if (list == "#WAD-SLOTS#" || list == "#LARA_ANIM_SLOT#")
{
return(new NgParameterRange(NgParameterKind.WadSlots));
}
else if (list == "#STATIC_SLOTS#")
{
return(new NgParameterRange(NgParameterKind.StaticsSlots));
}
else if (list == "#LARA_POS_OCB#")
{
return(new NgParameterRange(NgParameterKind.LaraStartPosOcb));
}
// Repeated strings
if (list.StartsWith("#REPEAT#"))
{
var tokens = list.Replace("#REPEAT#", "").Split('#');
var radix = tokens[0].Replace("\"", "");
var start = int.Parse(tokens[1].Replace(",", ""));
var end = int.Parse(tokens[2].Replace(",", ""));
var enumeration = new SortedList <ushort, TriggerParameterUshort>();
for (var i = start; i < end; i++)
{
enumeration.Add(ToU16(i), new TriggerParameterUshort((ushort)i, radix + i));
}
return(DetectPattern(new NgParameterRange(enumeration), block));
}
// TXT lists
var listName = list.Replace("#", "");
if (File.Exists("NG\\" + listName + ".txt"))
{
return(DetectPattern(new NgParameterRange(GetListFromTxt(listName)), block));
}
else
{
throw new Exception("Missing NG file");
}
}
else
{
// Free list
var enumeration = new SortedList <ushort, TriggerParameterUshort>();
foreach (var item in block.Items)
{
enumeration.Add(GetItemId(item), new TriggerParameterUshort(GetItemId(item), GetItemValue(item)));
}
return(DetectPattern(new NgParameterRange(enumeration), block));
}
}
private static bool DetectLinearity(List <NgParameterRange> outChoice, List <Parsed> unmappedEnumsSorted, NgBlock dbgBlock)
{
if (unmappedEnumsSorted.Count <= 5) // It's not worth it if there are at most 5 elements
{
AddFixed(outChoice, unmappedEnumsSorted.Select(p => p.Original));
unmappedEnumsSorted.Clear();
return(false);
}
Parsed firstEnum = unmappedEnumsSorted.First();
ushort idStart = firstEnum.Original.Key;
int count = 1;
// Stop if there is a varying amount of numbers in the strings or if different values are fixed.
for (int i = 1; i < unmappedEnumsSorted.Count; ++i)
{
Parsed entry = unmappedEnumsSorted[i];
// Don't compress certain strings
if (entry.Original.Name.StartsWith("PUZZLE_ITEM", StringComparison.InvariantCulture) ||
entry.Original.Name.StartsWith("KEY_ITEM", StringComparison.InvariantCulture) ||
entry.Original.Name.StartsWith("Send command for ", StringComparison.InvariantCulture) ||
entry.Original.Name.Length == 2 && entry.Original.Name.StartsWith("F", StringComparison.InvariantCulture) || // F keys
entry.Original.Name.Length == 7 && entry.Original.Name.StartsWith("Number", StringComparison.InvariantCulture)) // Number keys
{
break;
}
if (entry.Substrings.Count != firstEnum.Substrings.Count)
{
break;
}
for (int j = 0; j < entry.Substrings.Count; ++j)
{
if (entry.Substrings[j].Value != null != (firstEnum.Substrings[j].Value != null))
{
goto ExitLoop0;
}
}
for (int j = 0; j < entry.Substrings.Count; ++j)
{
if (entry.Substrings[j].Value == null)
{
if (entry.Substrings[j].String != firstEnum.Substrings[j].String)
{
goto ExitLoop0;
}
}
}
// Check if the run is linear
// There can't be missing keys.
if (idStart + count != entry.Original.Key)
{
break;
}
++count;
}
ExitLoop0:
if (count <= 5) // It's not worth it if there are at most 5 elements
{
AddFixed(outChoice, unmappedEnumsSorted.Take(count).Select(p => p.Original));
unmappedEnumsSorted.RemoveRange(0, count);
return(true);
}
// String format now is perfectly fine.
// We just have to find some kind of linear pattern
Parsed secondEnum = unmappedEnumsSorted[1];
List <NgLinearParameter> linearParameters = new List <NgLinearParameter>(firstEnum.Substrings.Count);
for (int i = 0; i < firstEnum.Substrings.Count; ++i)
{
if (firstEnum.Substrings[i].Value == null)
{
linearParameters.Add(new NgLinearParameter {
FixedStr = firstEnum.Substrings[i].String
});
}
else
{
decimal xDistance = secondEnum.Original.Key - firstEnum.Original.Key;
decimal yDistance = secondEnum.Substrings[i].Value.Value - firstEnum.Substrings[i].Value.Value;
decimal factor = yDistance / xDistance;
decimal add = firstEnum.Substrings[i].Value.Value - firstEnum.Original.Key * factor;
linearParameters.Add(new NgLinearParameter {
Factor = factor, Add = add
});
}
}
// Eliminate unnecessary linear parameters
// (i.e. linear with 0 slope)
for (int i = 0; i < linearParameters.Count; ++i)
{
if (linearParameters[i].FixedStr != null)
{
if (linearParameters[i].Factor == 0)
{
linearParameters[i] = new NgLinearParameter {
FixedStr = firstEnum.Substrings[i].String
}
}
}
}
;
for (int i = linearParameters.Count - 1; i >= 1; --i)
{
if (linearParameters[i].FixedStr != null && linearParameters[i - 1].FixedStr != null)
{
linearParameters[i - 1] = new NgLinearParameter {
FixedStr = linearParameters[i - 1].FixedStr + linearParameters[i].FixedStr
};
linearParameters.RemoveAt(i);
for (int j = 0; j < count; ++j)
{
unmappedEnumsSorted[j].Substrings.RemoveAt(i);
}
}
}
// Check that the linear pattern is indeed a good fit
for (int i = 0; i < count; ++i)
{
var @enum = unmappedEnumsSorted[i];
for (int j = 0; j < linearParameters.Count; ++j)
{
if (linearParameters[j].FixedStr == null)
{
// Calculate prediction with the linear model
decimal value = linearParameters[j].Factor * @enum.Original.Key + linearParameters[j].Add;
// Check prediction
if (@enum.Substrings[j].Value.Value != value)
{
count = i;
goto ExitLoop1;
}
}
}
}
ExitLoop1:
if (count < 2 + linearParameters.Count * 2) // It's not worth it if there are at most 5 elements
{
AddFixed(outChoice, unmappedEnumsSorted.Take(count).Select(p => p.Original));
unmappedEnumsSorted.RemoveRange(0, count);
return(true);
}
outChoice.Add(new NgParameterRange(new NgLinearModel
{
Start = idStart,
EndInclusive = unchecked ((ushort)(idStart + count - 1)),
Parameters = linearParameters
}));
unmappedEnumsSorted.RemoveRange(0, count);
return(true);
}
private static NgBlock ReadNgBlock(StreamReader reader)
{
string line = "";
while (!reader.EndOfStream)
{
line = reader.ReadLine().Trim();
if (line.StartsWith("<START"))
{
break;
}
}
if (reader.EndOfStream)
{
return(null);
}
var tokens = line.Split('_');
var block = new NgBlock();
// Block type
if (tokens[1] == "TRIGGERWHAT" || tokens[1] == "TRIGGERTYPE" || tokens[1] == "TEXTS")
{
block.Type = NgBlockType.Trigger;
}
else if (tokens[1] == "EFFECT")
{
block.Type = NgBlockType.FlipEffect;
}
else if (tokens[1] == "ACTION")
{
block.Type = NgBlockType.Action;
}
else if (tokens[1] == "CONDITION")
{
block.Type = NgBlockType.Condition;
}
else
{
throw new Exception("Unknown token[1]");
}
// Parameter type
if (tokens[3].StartsWith("O"))
{
block.ParameterType = NgParameterType.Object;
}
else if (tokens[3].StartsWith("E"))
{
block.ParameterType = NgParameterType.Extra;
}
else if (tokens[3].StartsWith("T"))
{
block.ParameterType = NgParameterType.Timer;
}
else if (tokens[3].StartsWith("B"))
{
block.ParameterType = NgParameterType.Extra;
}
else
{
throw new Exception("Unknown token[3]");
}
block.Id = ToU16(int.Parse(tokens[2]));
while (!reader.EndOfStream)
{
line = reader.ReadLine().Trim();
if (line.StartsWith(";") || line == "")
{
continue;
}
if (line.StartsWith("<END"))
{
break;
}
block.Items.Add(AdjustCardinalDirections(line));
}
return(block);
}