// Draw_CachePic
public static glpic_t CachePic(string path)
{
for (int i = 0; i < _MenuNumCachePics; i++)
{
cachepic_t p = _MenuCachePics[i];
if (p.name == path)// !strcmp(path, pic->name))
{
return(p.pic);
}
}
if (_MenuNumCachePics == MAX_CACHED_PICS)
{
Sys.Error("menu_numcachepics == MAX_CACHED_PICS");
}
cachepic_t pic = _MenuCachePics[_MenuNumCachePics];
_MenuNumCachePics++;
pic.name = path;
//
// load the pic from disk
//
byte[] data = Common.LoadFile(path);
if (data == null)
{
Sys.Error("Draw_CachePic: failed to load {0}", path);
}
dqpicheader_t header = Sys.BytesToStructure <dqpicheader_t>(data, 0);
Wad.SwapPic(header);
int headerSize = Marshal.SizeOf(typeof(dqpicheader_t));
// HACK HACK HACK --- we need to keep the bytes for
// the translatable player picture just for the menu
// configuration dialog
if (path == "gfx/menuplyr.lmp")
{
Buffer.BlockCopy(data, headerSize, _MenuPlayerPixels, 0, header.width * header.height);
//memcpy (menuplyr_pixels, dat->data, dat->width*dat->height);
}
glpic_t gl = new glpic_t();
gl.width = header.width;
gl.height = header.height;
//gl = (glpic_t *)pic->pic.data;
gl.texnum = LoadTexture(gl, new ByteArraySegment(data, headerSize));
gl.sl = 0;
gl.sh = 1;
gl.tl = 0;
gl.th = 1;
pic.pic = gl;
return(gl);
}
// W_LoadWadFile (char *filename)
public static void LoadWadFile(string filename)
{
_Data = Common.LoadFile(filename);
if (_Data == null)
{
Sys.Error("Wad.LoadWadFile: couldn't load {0}", filename);
}
if (_Handle.IsAllocated)
{
_Handle.Free();
}
_Handle = GCHandle.Alloc(_Data, GCHandleType.Pinned);
_DataPtr = _Handle.AddrOfPinnedObject();
wadinfo_t header = Sys.BytesToStructure <wadinfo_t>(_Data, 0);
if (header.identification[0] != 'W' || header.identification[1] != 'A' ||
header.identification[2] != 'D' || header.identification[3] != '2')
{
Sys.Error("Wad file {0} doesn't have WAD2 id\n", filename);
}
int numlumps = Common.LittleLong(header.numlumps);
int infotableofs = Common.LittleLong(header.infotableofs);
int lumpInfoSize = Marshal.SizeOf(typeof(lumpinfo_t));
_Lumps = new Dictionary <string, lumpinfo_t>(numlumps);
for (int i = 0; i < numlumps; i++)
{
IntPtr ptr = new IntPtr(_DataPtr.ToInt64() + infotableofs + i * lumpInfoSize);
lumpinfo_t lump = (lumpinfo_t)Marshal.PtrToStructure(ptr, typeof(lumpinfo_t));
lump.filepos = Common.LittleLong(lump.filepos);
lump.size = Common.LittleLong(lump.size);
if (lump.type == TYP_QPIC)
{
ptr = new IntPtr(_DataPtr.ToInt64() + lump.filepos);
dqpicheader_t pic = (dqpicheader_t)Marshal.PtrToStructure(ptr, typeof(dqpicheader_t));
SwapPic(pic);
Marshal.StructureToPtr(pic, ptr, true);
}
_Lumps.Add(Encoding.ASCII.GetString(lump.name).TrimEnd('\0').ToLower(), lump);
}
}
/// <summary>
/// PR_LoadProgs
/// </summary>
public static void LoadProgs()
{
FreeHandles();
QBuiltins.ClearState();
_DynamicStrings.Clear();
// flush the non-C variable lookup cache
for (int i = 0; i < GEFV_CACHESIZE; i++)
{
_gefvCache[i].field = null;
}
CRC.Init(out _Crc);
byte[] buf = Common.LoadFile("progs.dat");
_Progs = Sys.BytesToStructure <dprograms_t>(buf, 0);
if (_Progs == null)
{
Sys.Error("PR_LoadProgs: couldn't load progs.dat");
}
Con.DPrint("Programs occupy {0}K.\n", buf.Length / 1024);
for (int i = 0; i < buf.Length; i++)
{
CRC.ProcessByte(ref _Crc, buf[i]);
}
// byte swap the header
_Progs.SwapBytes();
if (_Progs.version != PROG_VERSION)
{
Sys.Error("progs.dat has wrong version number ({0} should be {1})", _Progs.version, PROG_VERSION);
}
if (_Progs.crc != PROGHEADER_CRC)
{
Sys.Error("progs.dat system vars have been modified, progdefs.h is out of date");
}
// Functions
_Functions = new dfunction_t[_Progs.numfunctions];
int offset = _Progs.ofs_functions;
for (int i = 0; i < _Functions.Length; i++, offset += dfunction_t.SizeInBytes)
{
_Functions[i] = Sys.BytesToStructure <dfunction_t>(buf, offset);
_Functions[i].SwapBytes();
}
// strings
offset = _Progs.ofs_strings;
int str0 = offset;
for (int i = 0; i < _Progs.numstrings; i++, offset++)
{
// count string length
while (buf[offset] != 0)
{
offset++;
}
}
int length = offset - str0;
_Strings = Encoding.ASCII.GetString(buf, str0, length);
// Globaldefs
_GlobalDefs = new ddef_t[_Progs.numglobaldefs];
offset = _Progs.ofs_globaldefs;
for (int i = 0; i < _GlobalDefs.Length; i++, offset += ddef_t.SizeInBytes)
{
_GlobalDefs[i] = Sys.BytesToStructure <ddef_t>(buf, offset);
_GlobalDefs[i].SwapBytes();
}
// Fielddefs
_FieldDefs = new ddef_t[_Progs.numfielddefs];
offset = _Progs.ofs_fielddefs;
for (int i = 0; i < _FieldDefs.Length; i++, offset += ddef_t.SizeInBytes)
{
_FieldDefs[i] = Sys.BytesToStructure <ddef_t>(buf, offset);
_FieldDefs[i].SwapBytes();
if ((_FieldDefs[i].type & DEF_SAVEGLOBAL) != 0)
{
Sys.Error("PR_LoadProgs: pr_fielddefs[i].type & DEF_SAVEGLOBAL");
}
}
// Statements
_Statements = new dstatement_t[_Progs.numstatements];
offset = _Progs.ofs_statements;
for (int i = 0; i < _Statements.Length; i++, offset += dstatement_t.SizeInBytes)
{
_Statements[i] = Sys.BytesToStructure <dstatement_t>(buf, offset);
_Statements[i].SwapBytes();
}
// Swap bytes inplace if needed
if (!BitConverter.IsLittleEndian)
{
offset = _Progs.ofs_globals;
for (int i = 0; i < _Progs.numglobals; i++, offset += 4)
{
SwapHelper.Swap4b(buf, offset);
}
}
GlobalStruct = Sys.BytesToStructure <globalvars_t>(buf, _Progs.ofs_globals);
_Globals = new float[_Progs.numglobals - globalvars_t.SizeInBytes / 4];
Buffer.BlockCopy(buf, _Progs.ofs_globals + globalvars_t.SizeInBytes, _Globals, 0, _Globals.Length * 4);
_EdictSize = _Progs.entityfields * 4 + dedict_t.SizeInBytes - entvars_t.SizeInBytes;
_HGlobals = GCHandle.Alloc(_Globals, GCHandleType.Pinned);
_GlobalsAddr = _HGlobals.AddrOfPinnedObject().ToInt64();
_HGlobalStruct = GCHandle.Alloc(Progs.GlobalStruct, GCHandleType.Pinned);
_GlobalStructAddr = _HGlobalStruct.AddrOfPinnedObject().ToInt64();
}
// Draw_Init
public static void Init()
{
for (int i = 0; i < _MenuCachePics.Length; i++)
{
_MenuCachePics[i] = new cachepic_t();
}
if (_glNoBind == null)
{
_glNoBind = new Cvar("gl_nobind", "0");
_glMaxSize = new Cvar("gl_max_size", "1024");
_glPicMip = new Cvar("gl_picmip", "0");
}
// 3dfx can only handle 256 wide textures
string renderer = GL.GetString(StringName.Renderer);
if (renderer.Contains("3dfx") || renderer.Contains("Glide"))
{
Cvar.Set("gl_max_size", "256");
}
Cmd.Add("gl_texturemode", TextureMode_f);
// load the console background and the charset
// by hand, because we need to write the version
// string into the background before turning
// it into a texture
int offset = Wad.GetLumpNameOffset("conchars");
byte[] draw_chars = Wad.Data; // draw_chars
for (int i = 0; i < 256 * 64; i++)
{
if (draw_chars[offset + i] == 0)
{
draw_chars[offset + i] = 255; // proper transparent color
}
}
// now turn them into textures
_CharTexture = LoadTexture("charset", 128, 128, new ByteArraySegment(draw_chars, offset), false, true);
byte[] buf = Common.LoadFile("gfx/conback.lmp");
if (buf == null)
{
Sys.Error("Couldn't load gfx/conback.lmp");
}
dqpicheader_t cbHeader = Sys.BytesToStructure <dqpicheader_t>(buf, 0);
Wad.SwapPic(cbHeader);
// hack the version number directly into the pic
string ver = String.Format("(c# {0,7:F2}) {1,7:F2}", (float)QDef.CSQUAKE_VERSION, (float)QDef.VERSION);
int offset2 = Marshal.SizeOf(typeof(dqpicheader_t)) + 320 * 186 + 320 - 11 - 8 * ver.Length;
int y = ver.Length;
for (int x = 0; x < y; x++)
{
CharToConback(ver[x], new ByteArraySegment(buf, offset2 + (x << 3)), new ByteArraySegment(draw_chars, offset));
}
_ConBack = new glpic_t();
_ConBack.width = cbHeader.width;
_ConBack.height = cbHeader.height;
int ncdataIndex = Marshal.SizeOf(typeof(dqpicheader_t)); // cb->data;
SetTextureFilters(TextureMinFilter.Nearest, TextureMagFilter.Nearest);
_ConBack.texnum = LoadTexture("conback", _ConBack.width, _ConBack.height, new ByteArraySegment(buf, ncdataIndex), false, false);
_ConBack.width = Scr.vid.width;
_ConBack.height = Scr.vid.height;
// save a texture slot for translated picture
_TranslateTexture = _TextureExtensionNumber++;
// save slots for scraps
_ScrapTexNum = _TextureExtensionNumber;
_TextureExtensionNumber += MAX_SCRAPS;
//
// get the other pics we need
//
_Disc = PicFromWad("disc");
_BackTile = PicFromWad("backtile");
}
