mirror of
https://github.com/celisej567/LibBSP.git
synced 2026-09-11 20:09:36 +03:00
48366f4f52
Removes Vector2d, Vector3d, Vector4d, Plane and Ray. Implement a standard API for .NET, Unity and Godot through extension methods. In general, use floats rather than doubles for things.
344 lines
7.9 KiB
C#
344 lines
7.9 KiB
C#
#if UNITY_3_4 || UNITY_3_5 || UNITY_4_0 || UNITY_4_0_1 || UNITY_4_2 || UNITY_4_3 || UNITY_4_5 || UNITY_4_6 || UNITY_5 || UNITY_5_3_OR_NEWER
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#define UNITY
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#endif
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using System;
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using System.Collections.Generic;
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using System.Reflection;
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namespace LibBSP {
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#if UNITY
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using Vector2 = UnityEngine.Vector2;
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#elif GODOT
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using Vector2 = Godot.Vector2;
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#else
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using Vector2 = System.Numerics.Vector2;
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#endif
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/// <summary>
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/// Holds the data for a patch in a CoD BSP.
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/// </summary>
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public struct Patch : ILumpObject {
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/// <summary>
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/// The <see cref="ILump"/> this <see cref="ILumpObject"/> came from.
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/// </summary>
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public ILump Parent { get; private set; }
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/// <summary>
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/// Array of <c>byte</c>s used as the data source for this <see cref="ILumpObject"/>.
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/// </summary>
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public byte[] Data { get; private set; }
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/// <summary>
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/// The <see cref="LibBSP.MapType"/> to use to interpret <see cref="Data"/>.
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/// </summary>
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public MapType MapType {
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get {
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if (Parent == null || Parent.Bsp == null) {
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return MapType.Undefined;
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}
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return Parent.Bsp.version;
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}
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}
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/// <summary>
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/// The version number of the <see cref="ILump"/> this <see cref="ILumpObject"/> came from.
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/// </summary>
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public int LumpVersion {
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get {
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if (Parent == null) {
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return 0;
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}
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return Parent.LumpInfo.version;
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}
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}
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public short shader {
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get {
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switch (MapType) {
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case MapType.CoD: {
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return BitConverter.ToInt16(Data, 0);
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}
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default: {
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return -1;
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}
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}
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}
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set {
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byte[] bytes = BitConverter.GetBytes(value);
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switch (MapType) {
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case MapType.CoD: {
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bytes.CopyTo(Data, 0);
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break;
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}
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}
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}
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}
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public short patchType {
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get {
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switch (MapType) {
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case MapType.CoD: {
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return BitConverter.ToInt16(Data, 2);
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}
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default: {
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return -1;
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}
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}
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}
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set {
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byte[] bytes = BitConverter.GetBytes(value);
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switch (MapType) {
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case MapType.CoD: {
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bytes.CopyTo(Data, 2);
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break;
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}
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}
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}
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}
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public Vector2 dimensions {
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get {
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switch (MapType) {
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case MapType.CoD: {
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if (patchType == 0) {
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return new Vector2(BitConverter.ToInt16(Data, 4), BitConverter.ToInt16(Data, 6));
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} else {
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return new Vector2(float.NaN, float.NaN);
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}
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}
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default: {
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return new Vector2(float.NaN, float.NaN);
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}
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}
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}
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set {
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switch (MapType) {
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case MapType.CoD: {
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if (patchType == 0) {
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BitConverter.GetBytes((short)value.X()).CopyTo(Data, 4);
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BitConverter.GetBytes((short)value.Y()).CopyTo(Data, 6);
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}
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break;
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}
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}
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}
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}
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public int flags {
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get {
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switch (MapType) {
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case MapType.CoD: {
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if (patchType == 0) {
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return BitConverter.ToInt32(Data, 8);
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} else {
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return -1;
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}
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}
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default: {
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return -1;
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}
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}
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}
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set {
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byte[] bytes = BitConverter.GetBytes(value);
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switch (MapType) {
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case MapType.CoD: {
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if (patchType == 0) {
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bytes.CopyTo(Data, 8);
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}
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break;
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}
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}
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}
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}
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[Index("patchVerts")] public int firstVertex {
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get {
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switch (MapType) {
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case MapType.CoD: {
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if (patchType == 0) {
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return BitConverter.ToInt32(Data, 12);
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} else if (patchType == 1) {
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return BitConverter.ToInt32(Data, 8);
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} else {
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return -1;
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}
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}
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default: {
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return -1;
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}
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}
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}
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set {
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byte[] bytes = BitConverter.GetBytes(value);
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switch (MapType) {
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case MapType.CoD: {
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if (patchType == 0) {
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bytes.CopyTo(Data, 12);
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} else if (patchType == 1) {
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bytes.CopyTo(Data, 8);
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}
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break;
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}
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}
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}
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}
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[Count("patchVerts")] public int numVertices {
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get {
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switch (MapType) {
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case MapType.CoD: {
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if (patchType == 0) {
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return BitConverter.ToInt16(Data, 4) * BitConverter.ToInt16(Data, 6);
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} else if (patchType == 1) {
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return BitConverter.ToInt16(Data, 4);
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} else {
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return -1;
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}
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}
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default: {
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return -1;
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}
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}
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}
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set {
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byte[] bytes = BitConverter.GetBytes(value);
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switch (MapType) {
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case MapType.CoD: {
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if (patchType == 1) {
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Data[4] = bytes[0];
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Data[5] = bytes[1];
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}
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break;
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}
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}
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}
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}
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[Count("patchIndices")] public int numIndices {
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get {
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switch (MapType) {
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case MapType.CoD: {
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if (patchType == 1) {
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return BitConverter.ToInt16(Data, 6);
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} else {
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return -1;
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}
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}
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default: {
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return -1;
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}
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}
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}
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set {
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byte[] bytes = BitConverter.GetBytes(value);
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switch (MapType) {
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case MapType.CoD: {
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if (patchType == 1) {
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Data[6] = bytes[0];
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Data[7] = bytes[1];
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}
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break;
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}
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}
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}
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}
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[Index("patchIndices")] public int firstIndex {
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get {
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switch (MapType) {
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case MapType.CoD: {
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if (patchType == 1) {
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return BitConverter.ToInt32(Data, 12);
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} else {
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return -1;
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}
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}
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default: {
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return -1;
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}
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}
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}
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set {
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byte[] bytes = BitConverter.GetBytes(value);
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switch (MapType) {
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case MapType.CoD: {
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if (patchType == 1) {
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bytes.CopyTo(Data, 12);
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}
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break;
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}
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}
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}
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}
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/// <summary>
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/// Creates a new <see cref="Patch"/> object from a <c>byte</c> array.
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/// </summary>
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/// <param name="data"><c>byte</c> array to parse.</param>
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/// <param name="parent">The <see cref="ILump"/> this <see cref="Patch"/> came from.</param>
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/// <exception cref="ArgumentNullException"><paramref name="data"/> was <c>null</c>.</exception>
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public Patch(byte[] data, ILump parent = null) {
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if (data == null) {
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throw new ArgumentNullException();
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}
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Data = data;
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Parent = parent;
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}
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/// <summary>
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/// Factory method to parse a <c>byte</c> array into a <see cref="Lump{Patch}"/>.
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/// </summary>
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/// <param name="data">The data to parse.</param>
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/// <param name="bsp">The <see cref="BSP"/> this lump came from.</param>
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/// <param name="lumpInfo">The <see cref="LumpInfo"/> associated with this lump.</param>
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/// <returns>A <see cref="Lump{Patch}"/>.</returns>
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/// <exception cref="ArgumentNullException"><paramref name="data"/> parameter was <c>null</c>.</exception>
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public static Lump<Patch> LumpFactory(byte[] data, BSP bsp, LumpInfo lumpInfo) {
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if (data == null) {
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throw new ArgumentNullException();
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}
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return new Lump<Patch>(data, GetStructLength(bsp.version, lumpInfo.version), bsp, lumpInfo);
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}
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/// <summary>
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/// Gets the length of this struct's data for the given <paramref name="mapType"/> and <paramref name="lumpVersion"/>.
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/// </summary>
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/// <param name="mapType">The <see cref="LibBSP.MapType"/> of the BSP.</param>
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/// <param name="lumpVersion">The version number for the lump.</param>
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/// <returns>The length, in <c>byte</c>s, of this struct.</returns>
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/// <exception cref="ArgumentException">This struct is not valid or is not implemented for the given <paramref name="mapType"/> and <paramref name="lumpVersion"/>.</exception>
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public static int GetStructLength(MapType mapType, int lumpVersion = 0) {
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switch (mapType) {
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case MapType.CoD: {
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return 16;
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}
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default: {
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throw new ArgumentException("Lump object " + MethodBase.GetCurrentMethod().DeclaringType.Name + " does not exist in map type " + mapType + " or has not been implemented.");
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}
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}
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}
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/// <summary>
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/// Gets the index for this lump in the BSP file for a specific map format.
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/// </summary>
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/// <param name="type">The map type.</param>
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/// <returns>Index for this lump, or -1 if the format doesn't have this lump or it's not implemented.</returns>
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public static int GetIndexForLump(MapType type) {
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switch (type) {
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case MapType.CoD: {
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return 24;
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}
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default: {
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return -1;
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}
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}
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}
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}
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}
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