mirror of
https://github.com/AdAstra-LD/DS-Pokemon-Rom-Editor.git
synced 2026-05-09 21:50:57 -05:00
301 lines
12 KiB
C#
301 lines
12 KiB
C#
using System.IO;
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using System.Collections.Generic;
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using LibNDSFormats.NSBMD;
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using System.Windows.Forms;
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namespace DSPRE.ROMFiles {
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/* ----------------------- MAP FILE DATA STRUCTURE (DPPtHGSS):--------------------------
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0x0 // uint: Length of permissions section (always 2048)
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0x4 // uint: Length of buildings section
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0x8 // uint: Length of nsbmd model section
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0xC // uint: Length of BDHC section
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0x10 //
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************* Permissions section (1024 byte - byte pairs):
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0x0 // byte: Type value of tile (e.g. normal, grass, surfable water)
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0x1 // byte: Collision value of tile (00 for walkable, 80 for blocked)
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************* Buildings section (# of buildings equal to section length divided by 48):
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BUILDING FORMAT:
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0x0 // uint: Model ID
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0x4 // ushort: 65535ths of X coordinate
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0x6 // ushort: X coordinate
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0x8 // ushort: 65535ths of Z coordinate
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0xA // ushort: Z coordinate
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0xC // ushort: 65535ths of Y coordinate
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0xE // ushort: Y coordinate
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-------- 0x10 - 0x1C FILLER ZEROES
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0x1D // uint: Model width scale (usually 16)
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0x21 // uint: Model height scale (usually 16)
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0x25 // uint: Model length scale (usually 16)
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-------- 0x2A - 0x2F FILLER ZEROES
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************* NSBMD model section
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************* BDHC section
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-------------------------------------------------------------------------------------- */
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/// <summary>
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/// Class to store map data in Pokémon NDS games
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/// </summary>
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public class MapFile
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{
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#region Fields
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private string gameVersion;
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public byte[,] collisions = new byte[32, 32];
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public byte[,] types = new byte[32, 32];
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public List<Building> buildings;
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public NSBMD mapModel;
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public byte[] mapModelData;
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public byte[] bdhc;
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public byte[] bgs;
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#endregion
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#region Constructors (1)
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public MapFile(Stream data, string gameVersion) {
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this.gameVersion = gameVersion;
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using (BinaryReader reader = new BinaryReader(data))
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{
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/* Read sections lengths */
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int permissionsSectionLength = reader.ReadInt32();
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int buildingsSectionLength = reader.ReadInt32();
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int nsbmdSectionLength = reader.ReadInt32();
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int bdhcSectionLength = reader.ReadInt32();
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/* Read background sounds section */
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if (gameVersion == "HG" || gameVersion == "SS") {
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ushort signature = reader.ReadUInt16();
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if (signature != 0x1234) {
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MessageBox.Show("The header section of this map's BackGround Sound data is corrupted.",
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"BGS Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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ushort bgsDataLength = reader.ReadUInt16();
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reader.BaseStream.Position -= 4; //go back so that the signature "1234" + size can be read and stored
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ImportSoundPlates(new MemoryStream(reader.ReadBytes(bgsDataLength + 4)));
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}
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/* Read permission data */
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ImportPermissions(new MemoryStream(reader.ReadBytes(permissionsSectionLength)));
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/* Read buildings data */
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ImportBuildings(new MemoryStream(reader.ReadBytes(buildingsSectionLength)));
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/* Read nsbmd model */
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ImportMapModel(new MemoryStream(reader.ReadBytes(nsbmdSectionLength)));
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/* Read bdhc data */
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ImportTerrain(new MemoryStream(reader.ReadBytes(bdhcSectionLength)));
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}
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}
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#endregion
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#region Methods (2)
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/* Creates new standard building object, adds it to the current map and returns it*/
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public Building AddNewBuilding() {
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Building b = new Building();
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buildings.Add(b);
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return b;
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}
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public void AddBuilding(Building b) {
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buildings.Add(b);
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}
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public byte[] BuildingsToByteArray() {
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MemoryStream newData = new MemoryStream(0x30 * buildings.Count);
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using (BinaryWriter writer = new BinaryWriter(newData)) {
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for (int i = 0; i < buildings.Count; i++) {
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writer.Write(buildings[i].modelID);
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writer.Write(buildings[i].xFraction);
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writer.Write(buildings[i].xPosition);
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writer.Write(buildings[i].zFraction);
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writer.Write(buildings[i].zPosition);
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writer.Write(buildings[i].yFraction);
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writer.Write(buildings[i].yPosition);
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writer.BaseStream.Position += 0xD; // First filler section
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writer.Write(buildings[i].width);
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writer.Write(buildings[i].height);
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writer.Write(buildings[i].length);
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writer.Write(new byte[0x7]); // Second filler section
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}
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}
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return newData.ToArray();
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}
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public byte[] ExportMapModel() {
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return mapModelData;
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}
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public byte[] CollisionsToByteArray() {
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MemoryStream newData = new MemoryStream();
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using (BinaryWriter writer = new BinaryWriter(newData)) {
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for (int i = 0; i < 32; i++) {
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for (int j = 0; j < 32; j++) {
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writer.Write(types[i, j]);
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writer.Write(collisions[i, j]);
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}
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}
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}
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return newData.ToArray();
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}
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public byte[] GetTerrain() {
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return bdhc;
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}
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public byte[] GetSoundPlates() {
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return bgs;
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}
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public void ImportBuildings(Stream newData) {
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buildings = new List<Building>();
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using (BinaryReader reader = new BinaryReader(newData)) {
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for (int i = 0; i < newData.Length / 0x30; i++) {
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buildings.Add(new Building(new MemoryStream(reader.ReadBytes(0x30))));
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}
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}
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}
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public void ImportMapModel(Stream newData) {
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using (BinaryReader reader = new BinaryReader(newData)) {
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reader.BaseStream.Position = 0xE;
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if (reader.ReadInt16() > 1) {// If there is more than one file, it means there are embedded textures we must remove
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using (BinaryWriter writer = new BinaryWriter(new MemoryStream())) {
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reader.BaseStream.Position = 0x1C;
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uint mdl0Size = reader.ReadUInt32(); // Read mdl0 file size
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reader.BaseStream.Position = 0x0;
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writer.Write(reader.ReadBytes(0x8)); // Write firt header bytes, same for all NSBMD.
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writer.Write(mdl0Size + 0x14);
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writer.Write((short)0x10); // Writes BMD0 header size (always 16)
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writer.Write((short)0x1); // Write new number of sub-files, since embedded textures are removed
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writer.Write(0x14); // Writes new start offset of MDL0
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reader.BaseStream.Position = 0x18;
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writer.Write(reader.ReadBytes((int)mdl0Size)); // Writes MDL0;
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mapModelData = ((MemoryStream)writer.BaseStream).ToArray();
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}
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} else {
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reader.BaseStream.Position = 0x0;
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mapModelData = reader.ReadBytes((int)newData.Length);
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}
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mapModel = NSBMDLoader.LoadNSBMD(new MemoryStream(mapModelData));
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}
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}
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public void ImportPermissions(Stream newData) {
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using (BinaryReader reader = new BinaryReader(newData)) {
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for (int i = 0; i < 32; i++) {
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for (int j = 0; j < 32; j++) {
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types[i, j] = reader.ReadByte(); // Read permission type (e.g. surfing water, grass, sand etc.)
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collisions[i, j] = reader.ReadByte(); // Read walkability (00 for walkable and 80 for blocked)
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}
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}
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}
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}
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public void ImportSoundPlates(Stream newData) {
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using (BinaryReader reader = new BinaryReader(newData)) {
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bgs = reader.ReadBytes((int)newData.Length);
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}
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}
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public void ImportTerrain(Stream newData) {
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using (BinaryReader reader = new BinaryReader(newData)) {
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bdhc = reader.ReadBytes((int)newData.Length);
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}
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}
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public byte[] ToByteArray() {
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MemoryStream newData = new MemoryStream();
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using (BinaryWriter writer = new BinaryWriter(newData)) {
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/* Write section lengths */
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writer.Write(0x800);
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writer.Write(buildings.Count * 0x30);
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writer.Write(mapModelData.Length);
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writer.Write(bdhc.Length);
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/* Write soundplate section for HG/SS */
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if (gameVersion == "HG" || gameVersion == "SS") {
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writer.Write(bgs);
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}
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/* Write sections */
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writer.Write(CollisionsToByteArray());
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writer.Write(BuildingsToByteArray());
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writer.Write(ExportMapModel());
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writer.Write(GetTerrain());
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}
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return newData.ToArray();
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}
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#endregion
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}
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/// <summary>
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/// Class to store building data from Pokémon NDS games
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/// </summary>
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public class Building
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{
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#region Fields (11)
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public NSBMD NSBMDFile;
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public uint modelID { get; set; }
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public short xPosition { get; set; }
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public short yPosition { get; set; }
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public short zPosition { get; set; }
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public ushort xFraction { get; set; }
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public ushort yFraction { get; set; }
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public ushort zFraction { get; set; }
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public uint width { get; set; }
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public uint height { get; set; }
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public uint length { get; set; }
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#endregion Fields
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#region Constructors (2)
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public Building(Stream data)
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{
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using (BinaryReader reader = new BinaryReader(data))
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{
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modelID = reader.ReadUInt32();
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xFraction = reader.ReadUInt16();
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xPosition = reader.ReadInt16();
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zFraction = reader.ReadUInt16();
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zPosition = reader.ReadInt16();
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yFraction = reader.ReadUInt16();
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yPosition = reader.ReadInt16();
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reader.BaseStream.Position += 0xD; // Skip first filler section
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width = reader.ReadUInt16();
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reader.BaseStream.Position += 0x2;
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height = reader.ReadUInt16();
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reader.BaseStream.Position += 0x2;
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length = reader.ReadUInt16();
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reader.BaseStream.Position += 0x2;
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}
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}
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public Building()
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{
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modelID = 0;
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xFraction = 0;
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xPosition = 0;
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zFraction = 0;
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zPosition = 1;
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yFraction = 0;
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yPosition = 0;
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width = 16;
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height = 16;
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length = 16;
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}
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public Building(Building toCopy) {
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modelID = toCopy.modelID;
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xFraction = toCopy.xFraction;
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xPosition = toCopy.xPosition;
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zFraction = toCopy.zFraction;
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zPosition = (short)(toCopy.zPosition + 1);
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yFraction = toCopy.yFraction;
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yPosition = toCopy.yPosition;
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width = toCopy.width;
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height = toCopy.height;
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length = toCopy.length;
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}
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#endregion Constructors
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}
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} |