The GtkRadiant sources as originally released under the GPL license.

contrib/camera/misc.h

@@ -0,0 +1,76 @@
+/*
+Copyright (C) 1999-2006 Id Software, Inc. and contributors.
+For a list of contributors, see the accompanying CONTRIBUTORS file.
+
+This file is part of GtkRadiant.
+
+GtkRadiant is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+GtkRadiant is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GtkRadiant; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+/*
+Camera plugin for GtkRadiant
+Copyright (C) 2002 Splash Damage Ltd.
+*/
+
+void Sys_ERROR( char* text, ... );
+char* UnixToDosPath( char* path );
+void ExtractFilePath( const char *path, char *dest );
+const char* ExtractFilename( const char* path );
+bool FileExists (const char *filename);
+int Q_stricmp (const char *s1, const char *s2);
+
+typedef int fileHandle_t;
+
+extern "C" {
+// command buffer
+void Cbuf_AddText( const char *text );
+void Cbuf_Execute (void);
+
+// common
+#ifndef CDECL
+#ifdef WIN32
+	#define CDECL __cdecl
+#else
+	#define CDECL
+#endif
+#endif
+
+void CDECL Com_Error( int level, const char *error, ... );
+void CDECL Com_Printf( const char *msg, ... );
+void CDECL Com_DPrintf( const char *msg, ... );
+void *Com_Allocate( int bytes );
+void Com_Dealloc( void *ptr );
+
+// filesystem
+int FS_Read( void *buffer, int len, fileHandle_t f );
+int FS_Write( const void *buffer, int len, fileHandle_t h );
+int FS_ReadFile( const char *qpath, void **buffer );
+void FS_FreeFile( void *buffer );
+int FS_FOpenFileRead( const char *filename, fileHandle_t *file, bool uniqueFILE );
+fileHandle_t FS_FOpenFileWrite( const char *filename );
+void FS_FCloseFile( fileHandle_t f );
+}
+
+// vectors
+#define DotProduct4(x,y)		((x)[0]*(y)[0]+(x)[1]*(y)[1]+(x)[2]*(y)[2]+(x)[3]*(y)[3])
+#define VectorSubtract4(a,b,c)	((c)[0]=(a)[0]-(b)[0],(c)[1]=(a)[1]-(b)[1],(c)[2]=(a)[2]-(b)[2],(c)[3]=(a)[3]-(b)[3])
+#define VectorAdd4(a,b,c)		((c)[0]=(a)[0]+(b)[0],(c)[1]=(a)[1]+(b)[1],(c)[2]=(a)[2]+(b)[2],(c)[3]=(a)[3]+(b)[3])
+#define VectorCopy4(a,b)		((b)[0]=(a)[0],(b)[1]=(a)[1],(b)[2]=(a)[2],(b)[3]=(a)[3])
+#define	VectorScale4(v, s, o)	((o)[0]=(v)[0]*(s),(o)[1]=(v)[1]*(s),(o)[2]=(v)[2]*(s),(o)[3]=(v)[3]*(s))
+#define	VectorMA4(v, s, b, o)	((o)[0]=(v)[0]+(b)[0]*(s),(o)[1]=(v)[1]+(b)[1]*(s),(o)[2]=(v)[2]+(b)[2]*(s),(o)[3]=(v)[3]+(b)[3]*(s))
+
+#define Vector4Copy(a,b)		((b)[0]=(a)[0],(b)[1]=(a)[1],(b)[2]=(a)[2],(b)[3]=(a)[3])
+
+#define	SnapVector(v) {v[0]=(int)v[0];v[1]=(int)v[1];v[2]=(int)v[2];}