423 lines
11 KiB
C
423 lines
11 KiB
C
#define PROGSUSED
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#include "progsint.h"
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#define HunkAlloc BADGDFG sdfhhsf FHS
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void PR_SetBuiltins(int type);
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/*
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progstate_t *pr_progstate;
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progsnum_t pr_typecurrent;
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int maxprogs;
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progstate_t *current_progstate;
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int numshares;
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sharedvar_t *shares; //shared globals, not including parms
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int maxshares;
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*/
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pbool PR_SwitchProgs(progfuncs_t *progfuncs, progsnum_t type)
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{
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if ((unsigned)type >= maxprogs)
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PR_RunError(progfuncs, "QCLIB: Bad prog type - %i", type);
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// Sys_Error("Bad prog type - %i", type);
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if (pr_progstate[(unsigned)type].progs == NULL) //we havn't loaded it yet, for some reason
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return false;
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current_progstate = &pr_progstate[(unsigned)type];
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pr_typecurrent = type;
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return true;
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}
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void PR_MoveParms(progfuncs_t *progfuncs, progsnum_t progs1, progsnum_t progs2) //from 2 to 1
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{
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unsigned int a;
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progstate_t *p1;
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progstate_t *p2;
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if (progs1 == progs2)
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return; //don't bother coping variables to themselves...
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p1 = &pr_progstate[(int)progs1];
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p2 = &pr_progstate[(int)progs2];
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if ((unsigned)progs1 >= maxprogs || !p1->globals)
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Sys_Error("QCLIB: Bad prog type - %i", progs1);
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if ((unsigned)progs2 >= maxprogs || !p2->globals)
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Sys_Error("QCLIB: Bad prog type - %i", progs2);
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//copy parms.
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for (a = 0; a < MAX_PARMS;a++)
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{
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*(int *)&p1->globals[OFS_PARM0+3*a ] = *(int *)&p2->globals[OFS_PARM0+3*a ];
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*(int *)&p1->globals[OFS_PARM0+3*a+1] = *(int *)&p2->globals[OFS_PARM0+3*a+1];
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*(int *)&p1->globals[OFS_PARM0+3*a+2] = *(int *)&p2->globals[OFS_PARM0+3*a+2];
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}
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p1->globals[OFS_RETURN] = p2->globals[OFS_RETURN];
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p1->globals[OFS_RETURN+1] = p2->globals[OFS_RETURN+1];
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p1->globals[OFS_RETURN+2] = p2->globals[OFS_RETURN+2];
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//move the vars defined as shared.
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for (a = 0; a < numshares; a++)//fixme: make offset per progs
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{
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memmove(&((int *)p1->globals)[shares[a].varofs], &((int *)p2->globals)[shares[a].varofs], shares[a].size*4);
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/* ((int *)p1->globals)[shares[a].varofs] = ((int *)p2->globals)[shares[a].varofs];
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if (shares[a].size > 1)
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{
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((int *)p1->globals)[shares[a].varofs+1] = ((int *)p2->globals)[shares[a].varofs+1];
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if (shares[a].size > 2)
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((int *)p1->globals)[shares[a].varofs+2] = ((int *)p2->globals)[shares[a].varofs+2];
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}
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*/
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}
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}
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progsnum_t PR_LoadProgs(progfuncs_t *progfuncs, char *s, int headercrc, builtin_t *builtins, int numbuiltins)
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{
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unsigned int a;
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progsnum_t oldtype;
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oldtype = pr_typecurrent;
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for (a = 0; a < maxprogs; a++)
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{
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if (pr_progstate[a].progs == NULL)
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{
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pr_typecurrent = a;
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current_progstate = &pr_progstate[a];
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if (PR_ReallyLoadProgs(progfuncs, s, headercrc, &pr_progstate[a], false)) //try and load it
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{
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current_progstate->builtins = builtins;
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current_progstate->numbuiltins = numbuiltins;
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if (oldtype>=0)
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PR_SwitchProgs(progfuncs, oldtype);
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return a; //we could load it. Yay!
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}
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if (oldtype!=-1)
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PR_SwitchProgs(progfuncs, oldtype);
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return -1; // loading failed.
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}
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}
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PR_SwitchProgs(progfuncs, oldtype);
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return -1;
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}
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void PR_ShiftParms(progfuncs_t *progfuncs, int amount)
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{
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int a;
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for (a = 0; a < MAX_PARMS - amount;a++)
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*(int *)&pr_globals[OFS_PARM0+3*a] = *(int *)&pr_globals[OFS_PARM0+3*(amount+a)];
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}
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//forget a progs
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void PR_Clear(progfuncs_t *progfuncs)
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{
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unsigned int a;
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for (a = 0; a < maxprogs; a++)
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{
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pr_progstate[a].progs = NULL;
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}
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}
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void QC_StartShares(progfuncs_t *progfuncs)
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{
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numshares = 0;
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maxshares = 32;
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if (shares)
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memfree(shares);
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shares = memalloc(sizeof(sharedvar_t)*maxshares);
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}
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void QC_AddSharedVar(progfuncs_t *progfuncs, int start, int size) //fixme: make offset per progs and optional
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{
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int ofs;
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unsigned int a;
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if (numshares >= maxshares)
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{
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void *buf;
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buf = shares;
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maxshares += 16;
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shares = memalloc(sizeof(sharedvar_t)*maxshares);
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memcpy(shares, buf, sizeof(sharedvar_t)*numshares);
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memfree(buf);
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}
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ofs = start;
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for (a = 0; a < numshares; a++)
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{
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if (shares[a].varofs+shares[a].size == ofs)
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{
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shares[a].size += size; //expand size.
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return;
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}
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if (shares[a].varofs == start)
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return;
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}
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shares[numshares].varofs = start;
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shares[numshares].size = size;
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numshares++;
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}
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//void ShowWatch(void);
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void QC_InitShares(progfuncs_t *progfuncs)
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{
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// ShowWatch();
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if (!field) //don't make it so we will just need to remalloc everything
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{
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maxfields = 64;
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field = memalloc(sizeof(fdef_t) * maxfields);
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}
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numfields = 0;
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progfuncs->fieldadjust = 0;
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}
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void QC_FlushProgsOffsets(progfuncs_t *progfuncs)
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{ //sets the fields up for loading a new progs.
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//fields are matched by name to other progs
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//not by offset
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unsigned int i;
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for (i = 0; i < numfields; i++)
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field[i].progsofs = -1;
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}
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//called if a global is defined as a field
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//returns offset.
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//vectors must be added before any of thier corresponding _x/y/z vars
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//in this way, even screwed up progs work.
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//requestedpos is the offset the engine WILL put it at.
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//origionaloffs is used to track matching field offsets. fields with the same progs offset overlap
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//note: we probably suffer from progs with renamed system globals.
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int QC_RegisterFieldVar(progfuncs_t *progfuncs, unsigned int type, char *name, int engineofs, int progsofs)
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{
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// progstate_t *p;
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// int pnum;
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unsigned int i;
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int namelen;
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int ofs;
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int fnum;
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if (!name) //engine can use this to offset all progs fields
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{ //which fixes constant field offsets (some ktpro arrays)
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progfuncs->fieldadjust = fields_size/4;
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return 0;
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}
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prinst->reorganisefields = true;
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//look for an existing match
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for (i = 0; i < numfields; i++)
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{
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if (!strcmp(name, field[i].name))
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{
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if (field[i].type != type)
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{
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printf("Field type mismatch on %s\n", name);
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continue;
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}
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if (!progfuncs->fieldadjust && engineofs>=0)
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if ((unsigned)engineofs/4 != field[i].ofs)
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Sys_Error("Field %s at wrong offset", name);
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if (field[i].progsofs == -1)
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field[i].progsofs = progsofs;
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// printf("Dupfield %s %i -> %i\n", name, field[i].progsofs,field[i].ofs);
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return field[i].ofs-progfuncs->fieldadjust; //got a match
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}
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}
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if (numfields+1>maxfields)
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{
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fdef_t *nf;
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i = maxfields;
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maxfields += 32;
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nf = memalloc(sizeof(fdef_t) * maxfields);
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memcpy(nf, field, sizeof(fdef_t) * i);
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memfree(field);
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field = nf;
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}
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//try to add a new one
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fnum = numfields;
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numfields++;
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field[fnum].name = name;
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if (type == ev_vector)
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{
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char *n;
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namelen = strlen(name)+5;
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n=PRHunkAlloc(progfuncs, namelen);
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sprintf(n, "%s_x", name);
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ofs = QC_RegisterFieldVar(progfuncs, ev_float, n, engineofs, progsofs);
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field[fnum].ofs = ofs+progfuncs->fieldadjust;
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n=PRHunkAlloc(progfuncs, namelen);
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sprintf(n, "%s_y", name);
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QC_RegisterFieldVar(progfuncs, ev_float, n, (engineofs==-1)?-1:(engineofs+4), (progsofs==-1)?-1:progsofs+1);
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n=PRHunkAlloc(progfuncs, namelen);
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sprintf(n, "%s_z", name);
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QC_RegisterFieldVar(progfuncs, ev_float, n, (engineofs==-1)?-1:(engineofs+8), (progsofs==-1)?-1:progsofs+2);
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}
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else if (engineofs >= 0)
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{ //the engine is setting up a list of required field indexes.
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//paranoid checking of the offset.
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/* for (i = 0; i < numfields-1; i++)
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{
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if (field[i].ofs == ((unsigned)engineofs)/4)
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{
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if (type == ev_float && field[i].type == ev_vector) //check names
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{
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if (strncmp(field[i].name, name, strlen(field[i].name)))
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Sys_Error("Duplicated offset");
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}
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else
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Sys_Error("Duplicated offset");
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}
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}*/
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if (engineofs&3)
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Sys_Error("field %s is %i&3", name, engineofs);
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field[fnum].ofs = ofs = engineofs/4;
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}
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else
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{ //we just found a new fieldname inside a progs
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field[fnum].ofs = ofs = fields_size/4; //add on the end
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//if the progs field offset matches annother offset in the same progs, make it match up with the earlier one.
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if (progsofs>=0)
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{
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for (i = 0; i < numfields-1; i++)
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{
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if (field[i].progsofs == (unsigned)progsofs)
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{
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// printf("found union field %s %i -> %i\n", field[i].name, field[i].progsofs, field[i].ofs);
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field[fnum].ofs = ofs = field[i].ofs;
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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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// if (type != ev_vector)
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if (fields_size < (ofs+type_size[type])*4)
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fields_size = (ofs+type_size[type])*4;
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if (max_fields_size && fields_size > max_fields_size)
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Sys_Error("Allocated too many additional fields after ents were inited.");
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field[fnum].type = type;
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field[fnum].progsofs = progsofs;
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// printf("Field %s %i -> %i\n", name, field[fnum].progsofs,field[fnum].ofs);
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//we've finished setting the structure
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return ofs - progfuncs->fieldadjust;
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}
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//called if a global is defined as a field
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void QC_AddSharedFieldVar(progfuncs_t *progfuncs, int num, char *stringtable)
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{
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// progstate_t *p;
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// int pnum;
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unsigned int i, o;
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char *s;
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//look for an existing match not needed, cos we look a little later too.
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/*
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for (i = 0; i < numfields; i++)
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{
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if (!strcmp(pr_globaldefs[num].s_name, field[i].s_name))
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{
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//really we should look for a field def
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*(int *)&pr_globals[pr_globaldefs[num].ofs] = field[i].ofs; //got a match
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return;
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}
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}
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*/
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switch(current_progstate->intsize)
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{
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case 24:
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case 16:
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for (i=1 ; i<pr_progs->numfielddefs; i++)
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{
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if (!strcmp(pr_fielddefs16[i].s_name+stringtable, pr_globaldefs16[num].s_name+stringtable))
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{
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// int old = *(int *)&pr_globals[pr_globaldefs16[num].ofs];
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*(int *)&pr_globals[pr_globaldefs16[num].ofs] = QC_RegisterFieldVar(progfuncs, pr_fielddefs16[i].type, pr_globaldefs16[num].s_name+stringtable, -1, *(int *)&pr_globals[pr_globaldefs16[num].ofs]);
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// printf("Field %s %i -> %i\n", pr_globaldefs16[num].s_name+stringtable, old, *(int *)&pr_globals[pr_globaldefs16[num].ofs]);
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return;
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}
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}
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s = pr_globaldefs16[num].s_name+stringtable;
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for (i = 0; i < numfields; i++)
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{
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o = field[i].progsofs;
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if (o == *(unsigned int *)&pr_globals[pr_globaldefs16[num].ofs])
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{
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// int old = *(int *)&pr_globals[pr_globaldefs16[num].ofs];
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*(int *)&pr_globals[pr_globaldefs16[num].ofs] = field[i].ofs-progfuncs->fieldadjust;
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// printf("Field %s %i -> %i\n", pr_globaldefs16[num].s_name+stringtable, old, *(int *)&pr_globals[pr_globaldefs16[num].ofs]);
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return;
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}
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}
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//oh well, must be a parameter.
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// if (*(int *)&pr_globals[pr_globaldefs16[num].ofs])
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// Sys_Error("QCLIB: Global field var with no matching field \"%s\", from offset %i", pr_globaldefs16[num].s_name+stringtable, *(int *)&pr_globals[pr_globaldefs16[num].ofs]);
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return;
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case 32:
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for (i=1 ; i<pr_progs->numfielddefs; i++)
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{
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if (!strcmp(pr_fielddefs32[i].s_name+stringtable, pr_globaldefs32[num].s_name+stringtable))
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{
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*(int *)&pr_globals[pr_globaldefs32[num].ofs] = QC_RegisterFieldVar(progfuncs, pr_fielddefs32[i].type, pr_globaldefs32[num].s_name+stringtable, -1, *(int *)&pr_globals[pr_globaldefs32[num].ofs]);
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return;
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}
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}
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s = pr_globaldefs32[num].s_name+stringtable;
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for (i = 0; i < numfields; i++)
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{
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o = field[i].progsofs;
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if (o == *(unsigned int *)&pr_globals[pr_globaldefs32[num].ofs])
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{
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*(int *)&pr_globals[pr_globaldefs32[num].ofs] = field[i].ofs-progfuncs->fieldadjust;
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return;
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}
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}
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//oh well, must be a parameter.
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if (*(int *)&pr_globals[pr_globaldefs32[num].ofs])
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Sys_Error("QCLIB: Global field var with no matching field \"%s\", from offset %i", pr_globaldefs32[num].s_name+stringtable, *(int *)&pr_globals[pr_globaldefs32[num].ofs]);
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return;
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default:
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Sys_Error("Bad bits");
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break;
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}
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Sys_Error("Should be unreachable");
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}
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