Merge pull request #212 from marchc1/bsp-improvements

Change BSP constants to what Garry's Mod uses

Author: marchc1

Source.Common/Formats/BSP/BSPFile.cs

@@ -32,11 +32,11 @@ public static class BSPFileCommon
 	public const int MAX_DISP_CORNER_NEIGHBORS = 4;
 
 	public const int MAX_MAP_MODELS = 4096;
-	public const int MAX_MAP_BRUSHES = 16384;
+	public const int MAX_MAP_BRUSHES = 65535;
 	public const int MAX_MAP_ENTITIES = 8192;
 	public const int MAX_MAP_TEXINFO = 32768;
 	public const int MAX_MAP_TEXDATA = 8192;
-	public const int MAX_MAP_DISPINFO = 2048;
+	public const int MAX_MAP_DISPINFO = 16384;
 	public const int MAX_MAP_DISP_VERTS = (MAX_MAP_DISPINFO * ((1 << MAX_MAP_DISP_POWER) + 1) * ((1 << MAX_MAP_DISP_POWER) + 1));
 	public const int MAX_MAP_DISP_TRIS = ((1 << MAX_MAP_DISP_POWER) * (1 << MAX_MAP_DISP_POWER) * 2);
 	public const int MAX_DISPVERTS = ((1 << MAX_MAP_DISP_POWER) + 1) * ((1 << MAX_MAP_DISP_POWER) + 1);
@@ -46,7 +46,7 @@ public static class BSPFileCommon
 	public const int MAX_MAP_AREAPORTALS = 1024;
 	public const int MAX_MAP_PLANES = 65536;
 	public const int MAX_MAP_NODES = 65536;
-	public const int MAX_MAP_BRUSHSIDES = 163840;
+	public const int MAX_MAP_BRUSHSIDES = 655350;
 	public const int MAX_MAP_LEAFS = 65536;
 	public const int MAX_MAP_VERTS = 65536;
 	public const int MAX_MAP_VERTNORMALS = 256000;
@@ -62,7 +62,7 @@ public static class BSPFileCommon
 	public const int MAX_MAP_SURFEDGES = 512000;
 	public const int MAX_MAP_LIGHTING = 0x1000000;
 	public const int MAX_MAP_VISIBILITY = 0x1000000;
-	public const int MAX_MAP_TEXTURES = 1024;
+	public const int MAX_MAP_TEXTURES = 8192;
 	public const int MAX_MAP_WORLDLIGHTS = 8192;
 	public const int MAX_MAP_CUBEMAPSAMPLES = 1024;
 	public const int MAX_MAP_OVERLAYS = 8192;

Source.Engine/DispMapload.cs

@@ -375,7 +375,8 @@ public static bool DispInfo_LoadDisplacements(Model world, MaterialSystem_SortIn
 
 		DispInfo_ReleaseMaterialSystemObjects(world);
 
-		Span<BSPDDispInfo> tempDisps = stackalloc BSPDDispInfo[BSPFileCommon.MAX_MAP_DISPINFO];
+		ErrorIfNot(numDisplacements <= BSPFileCommon.MAX_MAP_DISPINFO, $"DispInfo_LoadDisplacements: too many displacements ({numDisplacements})");
+		Span<BSPDDispInfo> tempDisps = new BSPDDispInfo[numDisplacements];
 		dispInfos.LoadLumpData(tempDisps);
 
 		DispInfo_LinkToParentFaces(world, tempDisps, numDisplacements);