mirror of
https://github.com/nzp-team/fteqw.git
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0bda1b5c38
Try to fix issues with newer gcc not merging common symbols any more. git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@5720 fc73d0e0-1445-4013-8a0c-d673dee63da5
534 lines
15 KiB
C
534 lines
15 KiB
C
#define PROGSUSED
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#include "progsint.h"
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//#define MAPPING_DEBUG
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//#define MAPPING_PARANOID //may actually break unions, so beware.
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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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//switches progs without preserving parms/ret/shared
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pbool PR_SwitchProgs(progfuncs_t *progfuncs, progsnum_t type)
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{
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if ((unsigned)type >= prinst.maxprogs)
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{
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if (type == -1)
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{
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prinst.pr_typecurrent = -1;
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current_progstate = NULL;
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return true;
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}
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PR_RunError(&progfuncs->funcs, "QCLIB: Bad prog type - %"pPRIi, type);
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// Sys_Error("Bad prog type - %i", type);
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}
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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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prinst.pr_typecurrent = type;
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return true;
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}
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//switch to new progs, preserving all arguments. oldpr should be 'pr_typecurrent'
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pbool PR_SwitchProgsParms(progfuncs_t *progfuncs, progsnum_t newpr) //from 2 to 1
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{
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unsigned int a;
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progstate_t *np;
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progstate_t *op;
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progsnum_t oldpr = prinst.pr_typecurrent;
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if (newpr == oldpr)
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{
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//don't bother coping variables to themselves...
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return true;
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}
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np = &pr_progstate[(int)newpr];
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op = &pr_progstate[(int)oldpr];
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if ((unsigned)newpr >= prinst.maxprogs || !np->globals)
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{
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externs->Printf("QCLIB: Bad prog type - %"pPRIi, newpr);
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return false;
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}
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if ((unsigned)oldpr >= prinst.maxprogs || !op->globals) //startup?
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return PR_SwitchProgs(progfuncs, newpr);
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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 *)&np->globals[OFS_PARM0+3*a ] = *(int *)&op->globals[OFS_PARM0+3*a ];
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*(int *)&np->globals[OFS_PARM0+3*a+1] = *(int *)&op->globals[OFS_PARM0+3*a+1];
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*(int *)&np->globals[OFS_PARM0+3*a+2] = *(int *)&op->globals[OFS_PARM0+3*a+2];
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}
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np->globals[OFS_RETURN] = op->globals[OFS_RETURN];
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np->globals[OFS_RETURN+1] = op->globals[OFS_RETURN+1];
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np->globals[OFS_RETURN+2] = op->globals[OFS_RETURN+2];
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//move the vars defined as shared.
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for (a = 0; a < prinst.numshares; a++)//fixme: make offset per progs
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{
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memmove(&((int *)np->globals)[prinst.shares[a].varofs], &((int *)op->globals)[prinst.shares[a].varofs], prinst.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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return PR_SwitchProgs(progfuncs, newpr);
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}
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progsnum_t PDECL PR_LoadProgs(pubprogfuncs_t *ppf, const char *s)
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{
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progfuncs_t *progfuncs = (progfuncs_t*)ppf;
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unsigned int a;
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progsnum_t oldtype;
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oldtype = prinst.pr_typecurrent;
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for (a = 0; a < prinst.maxprogs; a++)
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{
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if (pr_progstate[a].progs == NULL)
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{
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prinst.pr_typecurrent = a;
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current_progstate = &pr_progstate[a];
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if (PR_ReallyLoadProgs(progfuncs, s, &pr_progstate[a], false)) //try and load it
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{
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if (a <= progfuncs->funcs.numprogs)
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progfuncs->funcs.numprogs = a+1;
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#ifdef QCJIT
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current_progstate->jit = PR_GenerateJit(progfuncs);
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#endif
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if (oldtype != -1)
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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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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 < prinst.maxprogs; a++)
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{
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#ifdef QCJIT
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if (pr_progstate[a].jit)
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PR_CloseJit(pr_progstate[a].jit);
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#endif
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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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prinst.numshares = 0;
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prinst.maxshares = 32;
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if (prinst.shares)
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externs->memfree(prinst.shares);
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prinst.shares = externs->memalloc(sizeof(sharedvar_t)*prinst.maxshares);
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}
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void PDECL QC_AddSharedVar(pubprogfuncs_t *ppf, int start, int size) //fixme: make offset per progs and optional
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{
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progfuncs_t *progfuncs = (progfuncs_t*)ppf;
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int ofs;
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unsigned int a;
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if (prinst.numshares >= prinst.maxshares)
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{
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void *buf;
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buf = prinst.shares;
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prinst.maxshares += 16;
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prinst.shares = externs->memalloc(sizeof(sharedvar_t)*prinst.maxshares);
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memcpy(prinst.shares, buf, sizeof(sharedvar_t)*prinst.numshares);
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externs->memfree(buf);
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}
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ofs = start;
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for (a = 0; a < prinst.numshares; a++)
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{
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if (prinst.shares[a].varofs+prinst.shares[a].size == ofs)
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{
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prinst.shares[a].size += size; //expand size.
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return;
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}
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if (prinst.shares[a].varofs == start)
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return;
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}
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prinst.shares[prinst.numshares].varofs = start;
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prinst.shares[prinst.numshares].size = size;
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prinst.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 (!prinst.field) //don't make it so we will just need to remalloc everything
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{
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prinst.maxfields = 64;
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prinst.field = externs->memalloc(sizeof(fdef_t) * prinst.maxfields);
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}
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prinst.numfields = 0;
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progfuncs->funcs.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 < prinst.numfields; i++)
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prinst.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 their 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 PDECL QC_RegisterFieldVar(pubprogfuncs_t *ppf, unsigned int type, const char *name, signed long engineofs, signed long progsofs)
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{
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progfuncs_t *progfuncs = (progfuncs_t*)ppf;
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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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if (engineofs == 2)
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prinst.reorganisefields = 2;
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else if (engineofs)
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{
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progfuncs->funcs.fieldadjust = prinst.fields_size/4;
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#ifdef MAPPING_DEBUG
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externs->Printf("FIELD ADJUST: %i %i %i\n", progfuncs->funcs.fieldadjust, prinst.fields_size, (int)prinst.fields_size/4);
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#endif
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}
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return 0;
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}
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else if (!prinst.reorganisefields)
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prinst.reorganisefields = true;
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//look for an existing match
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for (i = 0; i < prinst.numfields; i++)
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{
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if (!strcmp(name, prinst.field[i].name))
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{
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if (prinst.field[i].type != type)
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{
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/*Hexen2/DP compat hack: if the new type is a float and the original type is a vector, make the new def alias to the engine's _x field
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this 'works around' the unused .vector color field used for rtlight colours vs the .float color used for particle colours (the float initialisers in map files will expand into the x slot safely).
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qc/hc can work around this by just using .vector color/color_x instead, which is the same as this hack, but would resolve defs to allow rtlight colours.
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*/
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if (prinst.field[i].type != ev_vector || type != ev_float)
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{
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if (prinst.field[i].type == ev_string && type == ev_float && !strcmp(name, "message"))
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; //hexen2 uses floats here instead of strings.
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else
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externs->Printf("Field type mismatch on \"%s\". %i != %i\n", name, prinst.field[i].type, type);
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continue;
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}
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}
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if (!progfuncs->funcs.fieldadjust && engineofs>=0)
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if ((unsigned)engineofs/4 != prinst.field[i].ofs)
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externs->Sys_Error("Field %s at wrong offset", name);
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if (prinst.field[i].progsofs == -1)
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prinst.field[i].progsofs = progsofs;
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#ifdef MAPPING_DEBUG
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externs->Printf("Dupfield %s %i -> %i\n", name, prinst.field[i].progsofs,prinst.field[i].ofs);
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#endif
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return prinst.field[i].ofs-progfuncs->funcs.fieldadjust; //got a match
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}
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}
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if (prinst.numfields+1>prinst.maxfields)
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{
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fdef_t *nf;
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i = prinst.maxfields;
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prinst.maxfields += 32;
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nf = externs->memalloc(sizeof(fdef_t) * prinst.maxfields);
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memcpy(nf, prinst.field, sizeof(fdef_t) * i);
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externs->memfree(prinst.field);
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prinst.field = nf;
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}
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//try to add a new one
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fnum = prinst.numfields;
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prinst.numfields++;
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prinst.field[fnum].name = name;
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prinst.field[fnum].type = type;
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prinst.field[fnum].progsofs = progsofs;
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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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#if 0//def MAPPING_PARANOID
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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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#endif
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if (engineofs&3)
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externs->Sys_Error("field %s is %i&3", name, (int)engineofs);
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prinst.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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prinst.field[fnum].ofs = ofs = prinst.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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unsigned otherofs;
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for (i = 0; i < prinst.numfields-1; i++)
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{
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otherofs = prinst.field[i].progsofs;
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if (otherofs == -1) //qc unions work purely by progs offsets, not by engine offsets.
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continue; //this is because there really is no reliable mapping between progs and engine, so don't get confused.
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if (otherofs == (unsigned)progsofs)
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{
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#ifdef MAPPING_DEBUG
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externs->Printf("union(%s) ", prinst.field[i].name);
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#endif
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prinst.field[fnum].ofs = ofs = prinst.field[i].ofs;
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break;
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}
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if (prinst.field[i].type == ev_vector && otherofs+1 == (unsigned)progsofs)
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{
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#ifdef MAPPING_DEBUG
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externs->Printf("union(%s) ", prinst.field[i].name);
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#endif
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prinst.field[fnum].ofs = ofs = prinst.field[i].ofs+1;
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break;
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}
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if (prinst.field[i].type == ev_vector && otherofs+2 == (unsigned)progsofs)
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{
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#ifdef MAPPING_DEBUG
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externs->Printf("union(%s) ", prinst.field[i].name);
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#endif
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prinst.field[fnum].ofs = ofs = prinst.field[i].ofs+2;
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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 (prinst.fields_size < (ofs+type_size[type])*4)
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prinst.fields_size = (ofs+type_size[type])*4;
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if (prinst.max_fields_size && prinst.fields_size > prinst.max_fields_size)
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externs->Sys_Error("Allocated too many additional fields after ents were inited.");
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#ifdef MAPPING_DEBUG
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externs->Printf("Field %s %i -> %i\n", name, prinst.field[fnum].progsofs,prinst.field[fnum].ofs);
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#endif
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if (type == ev_vector)
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{
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//vectors define float fields too. this avoids issues if the mod has (pointless) anti-decompile field reordering/stripping that works thanks to decompilers expecting things to be ordered exactly..
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char *n;
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namelen = strlen(name)+5;
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n=PRHunkAlloc(progfuncs, namelen, "str");
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sprintf(n, "%s_x", name);
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ofs = QC_RegisterFieldVar(&progfuncs->funcs, ev_float, n, engineofs, progsofs);
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n=PRHunkAlloc(progfuncs, namelen, "str");
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sprintf(n, "%s_y", name);
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QC_RegisterFieldVar(&progfuncs->funcs, ev_float, n, (engineofs==-1)?-1:(engineofs+4), (progsofs==-1)?-1:progsofs+1);
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n=PRHunkAlloc(progfuncs, namelen, "str");
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sprintf(n, "%s_z", name);
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QC_RegisterFieldVar(&progfuncs->funcs, ev_float, n, (engineofs==-1)?-1:(engineofs+8), (progsofs==-1)?-1:progsofs+2);
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}
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//we've finished setting the structure
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return ofs - progfuncs->funcs.fieldadjust;
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}
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//called for each global defined as a field
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void PDECL QC_AddSharedFieldVar(pubprogfuncs_t *ppf, int num, char *stringtable)
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{
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progfuncs_t *progfuncs = (progfuncs_t*)ppf;
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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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//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->structtype)
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{
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case PST_KKQWSV:
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case PST_DEFAULT:
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{
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ddef16_t *gd = pr_globaldefs16;
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ddef16_t *fld = pr_fielddefs16;
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char *gname = gd[num].s_name+stringtable;
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int *eval = (int*)&pr_globals[gd[num].ofs];
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if (*gname == '.')
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gname++;
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for (i=1 ; i<pr_progs->numfielddefs; i++)
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{
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if (!strcmp(fld[i].s_name+stringtable, gname))
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{
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#ifdef MAPPING_DEBUG
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int old = *eval;
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#endif
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*eval = QC_RegisterFieldVar(&progfuncs->funcs, fld[i].type, gname, -1, *eval);
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#ifdef MAPPING_DEBUG
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externs->Printf("Field=%s global %i -> %i\n", gd[num].s_name+stringtable, old, *eval);
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#endif
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return;
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}
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}
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for (i = 0; i < prinst.numfields; i++)
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{
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o = prinst.field[i].progsofs;
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if (o == *eval)
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{
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#ifdef MAPPING_DEBUG
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int old = *eval;
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#endif
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*eval = prinst.field[i].ofs-progfuncs->funcs.fieldadjust;
|
|
#ifdef MAPPING_DEBUG
|
|
externs->Printf("Field global=%s %i -> %i\n", gname, old, *eval);
|
|
#endif
|
|
return;
|
|
}
|
|
}
|
|
|
|
//oh well, must be a parameter.
|
|
// if (*(int *)&pr_globals[pr_globaldefs16[num].ofs])
|
|
// 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]);
|
|
}
|
|
return;
|
|
case PST_FTE32:
|
|
case PST_QTEST:
|
|
case PST_UHEXEN2:
|
|
{
|
|
ddef32_t *gd = pr_globaldefs32;
|
|
ddef32_t *fld = pr_fielddefs32;
|
|
for (i=1 ; i<pr_progs->numfielddefs; i++)
|
|
{
|
|
if (!strcmp(fld[i].s_name+stringtable, gd[num].s_name+stringtable))
|
|
{
|
|
*(int *)&pr_globals[gd[num].ofs] = QC_RegisterFieldVar(&progfuncs->funcs, fld[i].type, gd[num].s_name+stringtable, -1, *(int *)&pr_globals[gd[num].ofs]);
|
|
return;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < prinst.numfields; i++)
|
|
{
|
|
o = prinst.field[i].progsofs;
|
|
if (o == *(unsigned int *)&pr_globals[gd[num].ofs])
|
|
{
|
|
*(int *)&pr_globals[gd[num].ofs] = prinst.field[i].ofs-progfuncs->funcs.fieldadjust;
|
|
return;
|
|
}
|
|
}
|
|
|
|
//oh well, must be a parameter.
|
|
if (*(int *)&pr_globals[gd[num].ofs])
|
|
externs->Sys_Error("QCLIB: Global field var with no matching field \"%s\", from offset %i", gd[num].s_name+stringtable, *(int *)&pr_globals[gd[num].ofs]);
|
|
}
|
|
return;
|
|
default:
|
|
externs->Sys_Error("Bad bits");
|
|
break;
|
|
}
|
|
externs->Sys_Error("Should be unreachable");
|
|
}
|
|
|
|
void QC_AddFieldGlobal(pubprogfuncs_t *ppf, int *globdata)
|
|
{
|
|
unsigned int i;
|
|
int o;
|
|
progfuncs_t *progfuncs = (progfuncs_t*)ppf;
|
|
for (i = 0; i < prinst.numfields; i++)
|
|
{
|
|
o = prinst.field[i].progsofs;
|
|
if (o == *globdata)
|
|
{
|
|
#ifdef MAPPING_DEBUG
|
|
int old = *globdata;
|
|
#endif
|
|
*globdata = prinst.field[i].ofs-progfuncs->funcs.fieldadjust;
|
|
#ifdef MAPPING_DEBUG
|
|
externs->Printf("Field global %i -> %i\n", old, *globdata);
|
|
#endif
|
|
return;
|
|
}
|
|
}
|
|
externs->Printf("Unable to map fieldglobal\n");
|
|
}
|