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Merge pull request #18 from Mixone-FinallyHere/levelScriptEditorFixes
Improved the logic for LevelScript Editor
This commit is contained in:
Miguel
GitHub
commit
2f1ffc9cae
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@ -73,12 +73,14 @@ namespace DSPRE.Editors {
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buttonAdd.Enabled = false;
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buttonRemove.Enabled = false;
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buttonOpenSelectedScript.Enabled = true;
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}
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void enableButtons() {
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// textBoxScriptID.Enabled = true;
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// textBoxVariableName.Enabled = true;
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// textBoxVariableValue.Enabled = true;
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textBoxScriptID.Enabled = true;
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textBoxVariableName.Enabled = true;
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textBoxVariableValue.Enabled = true;
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radioButtonVariableValue.Enabled = true;
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radioButtonMapChange.Enabled = true;
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@ -93,6 +95,11 @@ namespace DSPRE.Editors {
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buttonSave.Enabled = true;
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buttonExport.Enabled = true;
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checkBoxPadding.Enabled = true;
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//buttonAdd.Enabled = true;
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//buttonRemove.Enabled = true;
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buttonOpenSelectedScript.Enabled = false;
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}
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void buttonAdd_logic() {
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@ -2,138 +2,206 @@
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.IO;
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using System.Windows.Forms;
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namespace DSPRE.ROMFiles {
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public class LevelScriptFile {
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public int ID;
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public BindingList<LevelScriptTrigger> bufferSet = new BindingList<LevelScriptTrigger>();
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namespace DSPRE.ROMFiles
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{
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public class LevelScriptFile
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{
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public int ID;
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public BindingList<LevelScriptTrigger> bufferSet = new BindingList<LevelScriptTrigger>();
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public LevelScriptFile() { }
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public LevelScriptFile() { }
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public LevelScriptFile(int id) {
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this.ID = id;
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string path1 = Filesystem.scripts;
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string path = Path.Combine(path1, this.ID.ToString("D4"));
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parse_file(path);
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public LevelScriptFile(int id)
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{
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this.ID = id;
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string path1 = Filesystem.scripts;
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string path = Path.Combine(path1, this.ID.ToString("D4"));
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parse_file(path);
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}
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public void parse_file(string path)
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{
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FileStream fs = new FileStream(path, FileMode.Open);
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// Basic implementation to check if the file is a level script or not from ScriptFile.cs
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/* Read script offsets from the header */
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bool isLevelScript = true; // Is Level Script as long as magic number FD13 doesn't exist
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using (BinaryReader br = new BinaryReader(fs))
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{
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List<int> scriptOffsets = new List<int>();
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try
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{
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while (true)
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{
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long headerPos = br.BaseStream.Position;
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uint checker = br.ReadUInt16();
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br.BaseStream.Position -= 0x2;
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uint value = br.ReadUInt32();
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if (value == 0 && scriptOffsets.Count == 0)
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{
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isLevelScript = true;
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break;
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}
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if (checker == 0xFD13)
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{
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br.BaseStream.Position -= 0x4;
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isLevelScript = false;
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break;
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}
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int offsetFromStart = (int)(value + br.BaseStream.Position); // Don't change order of addition
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scriptOffsets.Add(offsetFromStart);
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}
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}
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catch (EndOfStreamException)
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{
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if (!isLevelScript)
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{
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MessageBox.Show("Script File couldn't be read correctly.", "Unexpected EOF", MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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}
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if (!isLevelScript)
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{
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throw new InvalidDataException("The file you attempted to load is not a Level Script file.");
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}
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br.BaseStream.Position = 0;
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bool hasConditionalStructure = false;
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//conditionalStructureOffset is used to ensure the structure of the file is correct
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int conditionalStructureOffset = -1;
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while (true)
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{
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//first byte is the script type
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//if not a valid script type, break loop
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byte triggerType = br.ReadByte();
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if (!LevelScriptTrigger.IsValidTriggerType(triggerType)) { break; }
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//subtract triggerType length from conditionalStructureOffset
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if (hasConditionalStructure) { conditionalStructureOffset -= sizeof(byte); }
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//if trigger type is a variable value, that doesn't immediately mean we're processing that trigger
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//the trigger data is processed last if it is there
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if (triggerType == LevelScriptTrigger.VARIABLEVALUE)
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{
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hasConditionalStructure = true;
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conditionalStructureOffset = (int)br.ReadUInt32();
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continue;
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}
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//map screen load trigger doesn't have a value or variable
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uint scriptToTrigger = br.ReadUInt32();
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bufferSet.Add(new MapScreenLoadTrigger(triggerType, (int)scriptToTrigger));
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//subtract scriptToTrigger length from conditionalStructureOffset
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if (hasConditionalStructure) { conditionalStructureOffset -= sizeof(UInt32); }
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}
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//the earliest position a trigger can be
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const int SMALLEST_TRIGGER_SIZE = 5;
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//if triggerType is invalid
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//and next uint16 == 0
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//and the file stream length is shorter than the earliest position a trigger can be
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if (br.BaseStream.Position == 1 && br.ReadUInt16() == 0 && fs.Length < SMALLEST_TRIGGER_SIZE)
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{
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return;
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throw new InvalidDataException("This level script does nothing."); // "Interesting..."
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}
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//br.BaseStream.Position == 3
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//triggerType is valid,
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//stream position is earlier than the first possible trigger, or
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//there is no start script condition specified
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if (br.BaseStream.Position < SMALLEST_TRIGGER_SIZE)
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{
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throw new InvalidDataException("Parser failure: The input file you attempted to load is either malformed or not a Level Script file.");
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}
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//there are no instances of a variable value trigger
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if (!hasConditionalStructure)
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{
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return;
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}
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//if there's a variable value trigger but the offset is incorrect, the file is corrupt
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if (conditionalStructureOffset != 1)
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{
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throw new InvalidDataException($"Field error: The Level Script file you attempted to load is broken. {conditionalStructureOffset}");
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}
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//get the variable value trigger parts
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while (true)
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{
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//there are no variables below 1
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int variableID = br.ReadUInt16();
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if (variableID <= 0) { break; }
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int varExpectedValue = br.ReadUInt16();
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int scriptToTrigger = br.ReadUInt16();
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bufferSet.Add(new VariableValueTrigger(scriptToTrigger, variableID, varExpectedValue));
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}
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}
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}
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public long write_file(string path, bool word_alignment_padding = false)
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{
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FileStream fs = new FileStream(path, FileMode.OpenOrCreate, FileAccess.Write);
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using (BinaryWriter bw = new BinaryWriter(fs))
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{
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HashSet<MapScreenLoadTrigger> mapScreenLoadTriggers = new HashSet<MapScreenLoadTrigger>();
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HashSet<VariableValueTrigger> variableValueTriggers = new HashSet<VariableValueTrigger>();
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foreach (LevelScriptTrigger item in bufferSet)
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{
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if (item is VariableValueTrigger variableValueTrigger)
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{
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variableValueTriggers.Add(variableValueTrigger);
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}
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else if (item is MapScreenLoadTrigger mapScreenLoadTrigger)
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{
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mapScreenLoadTriggers.Add(mapScreenLoadTrigger);
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}
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}
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foreach (MapScreenLoadTrigger item in mapScreenLoadTriggers)
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{
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bw.Write((byte)item.triggerType);
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bw.Write((UInt32)item.scriptTriggered);
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}
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if (variableValueTriggers.Count > 0)
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{
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bw.Write((byte)LevelScriptTrigger.VARIABLEVALUE);
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bw.Write((UInt32)1);
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bw.Write((byte)0);
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foreach (VariableValueTrigger item in variableValueTriggers)
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{
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bw.Write((UInt16)item.variableToWatch);
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bw.Write((UInt16)item.expectedValue);
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bw.Write((UInt16)item.scriptTriggered);
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}
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}
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bw.Write((UInt16)0);
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if (word_alignment_padding)
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{
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long missing_bytes = bw.BaseStream.Position % 4;
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for (int i = 0; i < 4 - missing_bytes; i++)
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{
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bw.Write((byte)0);
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}
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}
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return bw.BaseStream.Position;
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}
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}
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}
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public void parse_file(string path) {
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FileStream fs = new FileStream(path, FileMode.Open);
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using (BinaryReader br = new BinaryReader(fs)) {
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bool hasConditionalStructure = false;
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//conditionalStructureOffset is used to ensure the structure of the file is correct
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int conditionalStructureOffset = -1;
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while (true) {
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//first byte is the script type
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//if not a valid script type, break loop
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byte triggerType = br.ReadByte();
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if (!LevelScriptTrigger.IsValidTriggerType(triggerType)){ break; }
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//subtract triggerType length from conditionalStructureOffset
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if (hasConditionalStructure){ conditionalStructureOffset -= sizeof(byte); }
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//if trigger type is a variable value, that doesn't immediately mean we're processing that trigger
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//the trigger data is processed last if it is there
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if (triggerType == LevelScriptTrigger.VARIABLEVALUE) {
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hasConditionalStructure = true;
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conditionalStructureOffset = (int)br.ReadUInt32();
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continue;
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}
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//map screen load trigger doesn't have a value or variable
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uint scriptToTrigger = br.ReadUInt32();
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bufferSet.Add(new MapScreenLoadTrigger(triggerType, (int)scriptToTrigger));
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//subtract scriptToTrigger length from conditionalStructureOffset
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if (hasConditionalStructure){ conditionalStructureOffset -= sizeof(UInt32); }
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}
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//the earliest position a trigger can be
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const int SMALLEST_TRIGGER_SIZE = 5;
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//if triggerType is invalid
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//and next uint16 == 0
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//and the file stream length is shorter than the earliest position a trigger can be
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if (br.BaseStream.Position == 1 && br.ReadUInt16() == 0 && fs.Length < SMALLEST_TRIGGER_SIZE) {
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return;
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throw new InvalidDataException("This level script does nothing."); // "Interesting..."
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}
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//br.BaseStream.Position == 3
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//triggerType is valid,
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//stream position is earlier than the first possible trigger, or
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//there is no start script condition specified
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if (br.BaseStream.Position < SMALLEST_TRIGGER_SIZE) {
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throw new InvalidDataException("Parser failure: The input file you attempted to load is either malformed or not a Level Script file.");
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}
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//there are no instances of a variable value trigger
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if (!hasConditionalStructure) {
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return;
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}
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//if there's a variable value trigger but the offset is incorrect, the file is corrupt
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if (conditionalStructureOffset != 1) {
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throw new InvalidDataException($"Field error: The Level Script file you attempted to load is broken. {conditionalStructureOffset}");
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}
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//get the variable value trigger parts
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while (true) {
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//there are no variables below 1
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int variableID = br.ReadUInt16();
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if (variableID <= 0){ break; }
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int varExpectedValue = br.ReadUInt16();
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int scriptToTrigger = br.ReadUInt16();
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bufferSet.Add(new VariableValueTrigger(scriptToTrigger, variableID, varExpectedValue));
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}
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}
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}
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public long write_file(string path, bool word_alignment_padding = false) {
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FileStream fs = new FileStream(path, FileMode.OpenOrCreate, FileAccess.Write);
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using (BinaryWriter bw = new BinaryWriter(fs)) {
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HashSet<MapScreenLoadTrigger> mapScreenLoadTriggers = new HashSet<MapScreenLoadTrigger>();
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HashSet<VariableValueTrigger> variableValueTriggers = new HashSet<VariableValueTrigger>();
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foreach (LevelScriptTrigger item in bufferSet) {
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if (item is VariableValueTrigger variableValueTrigger) {
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variableValueTriggers.Add(variableValueTrigger);
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}
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else if (item is MapScreenLoadTrigger mapScreenLoadTrigger) {
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mapScreenLoadTriggers.Add(mapScreenLoadTrigger);
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}
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}
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foreach (MapScreenLoadTrigger item in mapScreenLoadTriggers) {
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bw.Write((byte)item.triggerType);
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bw.Write((UInt32)item.scriptTriggered);
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}
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if (variableValueTriggers.Count > 0) {
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bw.Write((byte)LevelScriptTrigger.VARIABLEVALUE);
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bw.Write((UInt32)1);
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bw.Write((byte)0);
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foreach (VariableValueTrigger item in variableValueTriggers) {
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bw.Write((UInt16)item.variableToWatch);
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bw.Write((UInt16)item.expectedValue);
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bw.Write((UInt16)item.scriptTriggered);
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}
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}
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bw.Write((UInt16)0);
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if (word_alignment_padding) {
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long missing_bytes = bw.BaseStream.Position % 4;
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for (int i = 0; i < 4 - missing_bytes; i++) {
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bw.Write((byte)0);
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}
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}
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return bw.BaseStream.Position;
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}
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}
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}
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}
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