mirror of
https://github.com/ioquake/jedi-academy.git
synced 2024-11-22 20:31:26 +00:00
445 lines
11 KiB
C++
445 lines
11 KiB
C++
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/*****************************************************************************
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* name: l_struct.c
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*
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* desc: structure reading / writing
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*
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* $Archive: /MissionPack/CODE/botlib/l_struct.c $
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* $Author: Raduffy $
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* $Revision: 1 $
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* $Modtime: 12/20/99 8:43p $
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* $Date: 3/08/00 11:28a $
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*
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*****************************************************************************/
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#ifdef BOTLIB
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#include "../game/q_shared.h"
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#include "../game/botlib.h" //for the include of be_interface.h
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#include "l_script.h"
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#include "l_precomp.h"
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#include "l_struct.h"
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#include "l_utils.h"
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#include "be_interface.h"
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#endif //BOTLIB
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#ifdef BSPC
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//include files for usage in the BSP Converter
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#include "../bspc/qbsp.h"
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#include "../bspc/l_log.h"
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#include "../bspc/l_mem.h"
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#include "l_precomp.h"
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#include "l_struct.h"
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#define qtrue true
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#define qfalse false
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#endif //BSPC
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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fielddef_t *FindField(fielddef_t *defs, char *name)
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{
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int i;
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for (i = 0; defs[i].name; i++)
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{
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if (!strcmp(defs[i].name, name)) return &defs[i];
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} //end for
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return NULL;
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} //end of the function FindField
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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qboolean ReadNumber(source_t *source, fielddef_t *fd, void *p)
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{
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token_t token;
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int negative = qfalse;
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long int intval, intmin = 0, intmax = 0;
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double floatval;
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if (!PC_ExpectAnyToken(source, &token)) return (qboolean)0;
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//check for minus sign
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if (token.type == TT_PUNCTUATION)
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{
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if (fd->type & FT_UNSIGNED)
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{
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SourceError(source, "expected unsigned value, found %s", token.string);
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return (qboolean)0;
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} //end if
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//if not a minus sign
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if (strcmp(token.string, "-"))
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{
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SourceError(source, "unexpected punctuation %s", token.string);
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return (qboolean)0;
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} //end if
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negative = qtrue;
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//read the number
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if (!PC_ExpectAnyToken(source, &token)) return (qboolean)0;
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} //end if
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//check if it is a number
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if (token.type != TT_NUMBER)
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{
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SourceError(source, "expected number, found %s", token.string);
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return (qboolean)0;
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} //end if
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//check for a float value
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if (token.subtype & TT_FLOAT)
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{
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if ((fd->type & FT_TYPE) != FT_FLOAT)
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{
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SourceError(source, "unexpected float");
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return (qboolean)0;
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} //end if
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floatval = token.floatvalue;
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if (negative) floatval = -floatval;
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if (fd->type & FT_BOUNDED)
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{
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if (floatval < fd->floatmin || floatval > fd->floatmax)
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{
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SourceError(source, "float out of range [%f, %f]", fd->floatmin, fd->floatmax);
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return (qboolean)0;
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} //end if
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} //end if
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*(float *) p = (float) floatval;
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return (qboolean)1;
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} //end if
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//
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intval = token.intvalue;
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if (negative) intval = -intval;
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//check bounds
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if ((fd->type & FT_TYPE) == FT_CHAR)
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{
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if (fd->type & FT_UNSIGNED) {intmin = 0; intmax = 255;}
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else {intmin = -128; intmax = 127;}
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} //end if
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if ((fd->type & FT_TYPE) == FT_INT)
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{
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if (fd->type & FT_UNSIGNED) {intmin = 0; intmax = 65535;}
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else {intmin = -32768; intmax = 32767;}
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} //end else if
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if ((fd->type & FT_TYPE) == FT_CHAR || (fd->type & FT_TYPE) == FT_INT)
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{
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if (fd->type & FT_BOUNDED)
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{
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intmin = Maximum(intmin, fd->floatmin);
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intmax = Minimum(intmax, fd->floatmax);
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} //end if
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if (intval < intmin || intval > intmax)
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{
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SourceError(source, "value %d out of range [%d, %d]", intval, intmin, intmax);
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return (qboolean)0;
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} //end if
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} //end if
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else if ((fd->type & FT_TYPE) == FT_FLOAT)
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{
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if (fd->type & FT_BOUNDED)
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{
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if (intval < fd->floatmin || intval > fd->floatmax)
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{
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SourceError(source, "value %d out of range [%f, %f]", intval, fd->floatmin, fd->floatmax);
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return (qboolean)0;
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} //end if
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} //end if
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} //end else if
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//store the value
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if ((fd->type & FT_TYPE) == FT_CHAR)
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{
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if (fd->type & FT_UNSIGNED) *(unsigned char *) p = (unsigned char) intval;
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else *(char *) p = (char) intval;
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} //end if
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else if ((fd->type & FT_TYPE) == FT_INT)
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{
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if (fd->type & FT_UNSIGNED) *(unsigned int *) p = (unsigned int) intval;
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else *(int *) p = (int) intval;
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} //end else
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else if ((fd->type & FT_TYPE) == FT_FLOAT)
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{
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*(float *) p = (float) intval;
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} //end else
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return (qboolean)1;
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} //end of the function ReadNumber
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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qboolean ReadChar(source_t *source, fielddef_t *fd, void *p)
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{
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token_t token;
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if (!PC_ExpectAnyToken(source, &token)) return (qboolean)0;
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//take literals into account
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if (token.type == TT_LITERAL)
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{
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StripSingleQuotes(token.string);
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*(char *) p = token.string[0];
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} //end if
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else
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{
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PC_UnreadLastToken(source);
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if (!ReadNumber(source, fd, p)) return (qboolean)0;
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} //end if
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return (qboolean)1;
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} //end of the function ReadChar
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int ReadString(source_t *source, fielddef_t *fd, void *p)
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{
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token_t token;
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if (!PC_ExpectTokenType(source, TT_STRING, 0, &token)) return 0;
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//remove the double quotes
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StripDoubleQuotes(token.string);
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//copy the string
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strncpy((char *) p, token.string, MAX_STRINGFIELD);
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//make sure the string is closed with a zero
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((char *)p)[MAX_STRINGFIELD-1] = '\0';
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//
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return 1;
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} //end of the function ReadString
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int ReadStructure(source_t *source, structdef_t *def, char *structure)
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{
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token_t token;
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fielddef_t *fd;
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void *p;
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int num;
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if (!PC_ExpectTokenString(source, "{")) return 0;
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while(1)
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{
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if (!PC_ExpectAnyToken(source, &token)) return qfalse;
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//if end of structure
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if (!strcmp(token.string, "}")) break;
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//find the field with the name
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fd = FindField(def->fields, token.string);
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if (!fd)
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{
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SourceError(source, "unknown structure field %s", token.string);
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return qfalse;
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} //end if
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if (fd->type & FT_ARRAY)
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{
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num = fd->maxarray;
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if (!PC_ExpectTokenString(source, "{")) return qfalse;
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} //end if
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else
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{
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num = 1;
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} //end else
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p = (void *)(structure + fd->offset);
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while (num-- > 0)
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{
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if (fd->type & FT_ARRAY)
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{
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if (PC_CheckTokenString(source, "}")) break;
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} //end if
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switch(fd->type & FT_TYPE)
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{
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case FT_CHAR:
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{
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if (!ReadChar(source, fd, p)) return qfalse;
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p = (char *) p + sizeof(char);
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break;
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} //end case
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case FT_INT:
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{
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if (!ReadNumber(source, fd, p)) return qfalse;
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p = (char *) p + sizeof(int);
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break;
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} //end case
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case FT_FLOAT:
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{
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if (!ReadNumber(source, fd, p)) return qfalse;
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p = (char *) p + sizeof(float);
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break;
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} //end case
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case FT_STRING:
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{
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if (!ReadString(source, fd, p)) return qfalse;
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p = (char *) p + MAX_STRINGFIELD;
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break;
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} //end case
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case FT_STRUCT:
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{
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if (!fd->substruct)
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{
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SourceError(source, "BUG: no sub structure defined");
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return qfalse;
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} //end if
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ReadStructure(source, fd->substruct, (char *) p);
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p = (char *) p + fd->substruct->size;
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break;
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} //end case
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} //end switch
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if (fd->type & FT_ARRAY)
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{
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if (!PC_ExpectAnyToken(source, &token)) return qfalse;
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if (!strcmp(token.string, "}")) break;
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if (strcmp(token.string, ","))
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{
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SourceError(source, "expected a comma, found %s", token.string);
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return qfalse;
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} //end if
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} //end if
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} //end while
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} //end while
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return qtrue;
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} //end of the function ReadStructure
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int WriteIndent(FILE *fp, int indent)
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{
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while(indent-- > 0)
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{
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if (fprintf(fp, "\t") < 0) return qfalse;
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} //end while
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return qtrue;
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} //end of the function WriteIndent
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int WriteFloat(FILE *fp, float value)
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{
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char buf[128];
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int l;
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sprintf(buf, "%f", value);
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l = strlen(buf);
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//strip any trailing zeros
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while(l-- > 1)
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{
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if (buf[l] != '0' && buf[l] != '.') break;
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if (buf[l] == '.')
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{
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buf[l] = 0;
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break;
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} //end if
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buf[l] = 0;
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} //end while
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//write the float to file
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if (fprintf(fp, "%s", buf) < 0) return 0;
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return 1;
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} //end of the function WriteFloat
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int WriteStructWithIndent(FILE *fp, structdef_t *def, char *structure, int indent)
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{
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int i, num;
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void *p;
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fielddef_t *fd;
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if (!WriteIndent(fp, indent)) return qfalse;
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if (fprintf(fp, "{\r\n") < 0) return qfalse;
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indent++;
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for (i = 0; def->fields[i].name; i++)
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{
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fd = &def->fields[i];
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if (!WriteIndent(fp, indent)) return qfalse;
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if (fprintf(fp, "%s\t", fd->name) < 0) return qfalse;
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p = (void *)(structure + fd->offset);
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if (fd->type & FT_ARRAY)
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{
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num = fd->maxarray;
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if (fprintf(fp, "{") < 0) return qfalse;
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} //end if
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else
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{
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num = 1;
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} //end else
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while(num-- > 0)
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{
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switch(fd->type & FT_TYPE)
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{
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case FT_CHAR:
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{
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if (fprintf(fp, "%d", *(char *) p) < 0) return qfalse;
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p = (char *) p + sizeof(char);
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break;
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} //end case
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case FT_INT:
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{
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if (fprintf(fp, "%d", *(int *) p) < 0) return qfalse;
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p = (char *) p + sizeof(int);
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break;
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} //end case
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case FT_FLOAT:
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{
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if (!WriteFloat(fp, *(float *)p)) return qfalse;
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p = (char *) p + sizeof(float);
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break;
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} //end case
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case FT_STRING:
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{
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if (fprintf(fp, "\"%s\"", (char *) p) < 0) return qfalse;
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p = (char *) p + MAX_STRINGFIELD;
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break;
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} //end case
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case FT_STRUCT:
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{
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if (!WriteStructWithIndent(fp, fd->substruct, structure, indent)) return qfalse;
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p = (char *) p + fd->substruct->size;
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break;
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} //end case
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} //end switch
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if (fd->type & FT_ARRAY)
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{
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if (num > 0)
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{
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if (fprintf(fp, ",") < 0) return qfalse;
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} //end if
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else
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{
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if (fprintf(fp, "}") < 0) return qfalse;
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} //end else
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} //end if
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} //end while
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if (fprintf(fp, "\r\n") < 0) return qfalse;
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} //end for
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indent--;
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if (!WriteIndent(fp, indent)) return qfalse;
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if (fprintf(fp, "}\r\n") < 0) return qfalse;
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return qtrue;
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} //end of the function WriteStructWithIndent
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int WriteStructure(FILE *fp, structdef_t *def, char *structure)
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{
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return WriteStructWithIndent(fp, def, structure, 0);
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} //end of the function WriteStructure
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