157 lines
4.8 KiB
C#
157 lines
4.8 KiB
C#
using System.Collections.Generic;
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using System.IO;
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using System.Runtime.InteropServices;
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using System.Text;
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using MindPowerSdk;
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using UnityEngine;
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namespace MindPowerSdk
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{
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[StructLayout(LayoutKind.Sequential, Pack = 4)]
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public struct SceneObjInfo
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{
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public ushort TypeId; // 高2位是type(0: 场景物件, 1: 特效物件), 其余是ID
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public int X; // 相对坐标
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public int Y;
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public short HeightOff;
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public short YawAngle;
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public short Scale; // 保留未使用
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public short GetTypeId()
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{
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return (short)(TypeId >> 14);
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}
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public short GetID()
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{
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return (short)(TypeId & 0x3FFF);
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}
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public override string ToString()
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{
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return $"type={GetTypeId()},id={GetID()},x={X},y={Y},height_off={HeightOff},yaw_angle={YawAngle},scale={Scale}";
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}
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}
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public class SceneObjFile
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{
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/// <summary>
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/// 文件头
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/// </summary>
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public struct Header
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{
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public string Title; // "HF Object File!" char[16]
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public int Version;
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public int FileSize;
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public int SectionCntX; // 地图的横向区域数
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public int SectionCntY; // 地图的纵向区域数
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public int SectionWidth; // 区域的宽度（单位：Tile）
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public int SectionHeight; // 区域的高度（单位：Tile）
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public int SectionObjNum; // 区域允许的最大物件数
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}
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/// <summary>
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/// 用来索引文件中对象的数据
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/// </summary>
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public struct SSectionIndex
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{
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public int ObjInfoPos;
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public int ObjNum;
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}
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public Header FileHeader { get; private set; }
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SSectionIndex[,] sectionIndex;
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public List<SceneObjInfo>[,] objInfos;
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public unsafe int Load(string obj_file)
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{
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FileStream fs = File.OpenRead(obj_file);
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BinaryReader r = new BinaryReader(fs);
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long size = r.BaseStream.Length;
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Header s = new Header();
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s.Title = Encoding.ASCII.GetString(r.ReadBytes(16));
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s.Version = r.ReadInt32();
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s.FileSize = r.ReadInt32(); // 实际是32位
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s.SectionCntX = r.ReadInt32();
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s.SectionCntY = r.ReadInt32();
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s.SectionWidth = r.ReadInt32();
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s.SectionHeight = r.ReadInt32();
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s.SectionObjNum = r.ReadInt32();
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FileHeader = s;
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Debug.Log(JsonUtility.ToJson(s));
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if (s.FileSize != size)
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{
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Debug.LogWarning($"{obj_file} 文件szie不匹配: {s.FileSize} != {size}");
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return -1;
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}
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if (s.Version != 600)
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{
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Debug.LogWarning($"{obj_file} 版本只支持600: 当前是={s.Version}");
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return -1;
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}
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// 读取索引信息
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sectionIndex = new SSectionIndex[s.SectionCntX, s.SectionCntY];
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for (int y = 0; y < s.SectionCntY; y++)
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{
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for (int x = 0; x < s.SectionCntX; x++)
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{
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SSectionIndex data = new SSectionIndex();
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data.ObjInfoPos = r.ReadInt32();
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data.ObjNum = r.ReadInt32();
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sectionIndex[x, y] = data;
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if (data.ObjNum != 0)
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Debug.Log(JsonUtility.ToJson(data));
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}
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}
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// 读取场景物体
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objInfos = new List<SceneObjInfo>[s.SectionCntX, s.SectionCntY];
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for (int y = 0; y < s.SectionCntY; y++)
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{
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for (int x = 0; x < s.SectionCntX; x++)
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{
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SSectionIndex idx = sectionIndex[x, y];
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if (idx.ObjNum == 0)
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continue;
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var list = objInfos[x, y] ??= new List<SceneObjInfo>();
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r.BaseStream.Seek(idx.ObjInfoPos, SeekOrigin.Begin);
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for (int i = 0; i < idx.ObjNum; i++)
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{
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byte[] tmpBytes = r.ReadBytes(sizeof(SceneObjInfo));
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SceneObjInfo sceneObjInfo = StructReader.ReadStructFromArray<SceneObjInfo>(tmpBytes);
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// 转成绝对坐标
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int sectionX = x * s.SectionWidth * 100;
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int sectionY = y * s.SectionHeight * 100;
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sceneObjInfo.X += sectionX;
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sceneObjInfo.Y += sectionY;
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list.Add(sceneObjInfo);
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Debug.Log(sceneObjInfo.ToString());
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}
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}
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}
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return 0;
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}
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}
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} |