Free Hero Mesh

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This is a mirror of the main repository for Free Hero Mesh. New tickets and changes will not be accepted at this mirror.
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Differences From Artifact [3ae0a5eecb]:

To Artifact [89407dfd1e]:

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#if 0
gcc ${CFLAGS:--s -O2} -c -fplan9-extensions function.c `sdl-config --cflags`
exit
#endif

#include "SDL.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "sqlite3.h"
#include "smallxrm.h"
#include "heromesh.h"
#include "cursorshapes.h"


typedef struct {
  struct sqlite3_vtab_cursor;
  sqlite3_int64 rowid;
  char unique,eof;
  Uint16 arg[4];
} Cursor;


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#if 0
gcc ${CFLAGS:--s -O2} -c -fplan9-extensions -fwrapv function.c `sdl-config --cflags`
exit
#endif

#include "SDL.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "sqlite3.h"
#include "smallxrm.h"
#include "heromesh.h"
#include "cursorshapes.h"
#include "instruc.h"

typedef struct {
  struct sqlite3_vtab_cursor;
  sqlite3_int64 rowid;
  char unique,eof;
  Uint16 arg[4];
} Cursor;
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typedef struct {
  Value misc1,misc2,misc3;
  Uint8 x,y,dir,bizarro;
  Uint16 class;
} ObjInfo;



















































































































static void calculate_level_column(sqlite3_stmt*st,const unsigned char*lvl,long sz) {
  ObjInfo ob;
  ObjInfo mru[2];





  mru[0].class=mru[1].class=0;
  ob.x=ob.y=ob.bizarro=0;






















  





































































}

static int vt1_levels_open(sqlite3_vtab*vt,sqlite3_vtab_cursor**cur) {
  sqlite3_str*str;
  sqlite3_stmt*st1;
  sqlite3_stmt*st2;
  const unsigned char*d;








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typedef struct {
  Value misc1,misc2,misc3;
  Uint8 x,y,dir,bizarro;
  Uint16 class;
} ObjInfo;

#define ArithOp1(aa) ({ if(sp<1 || stack[sp-1].t) goto bad; Value t1=stack[sp-1]; stack[sp-1]=NVALUE(aa); })
#define ArithOp2(aa) ({ if(sp<2 || stack[sp-1].t || stack[sp-2].t) goto bad; Value t1=stack[sp-2]; Value t2=stack[sp-1]; sp--; stack[sp-1]=NVALUE(aa); })
#define ArithDivOp2(aa) ({ if(sp<2 || stack[sp-1].t || stack[sp-2].t || !stack[sp-1].u) goto bad; Value t1=stack[sp-2]; Value t2=stack[sp-1]; sp--; stack[sp-1]=NVALUE(aa); })
#define OtherOp1(aa) ({ if(sp<1) goto bad; Value t1=stack[sp-1]; stack[sp-1]=(aa); })
#define OtherOp2(aa) ({ if(sp<2) goto bad; Value t1=stack[sp-2]; Value t2=stack[sp-1]; sp--; stack[sp-1]=(aa); })

static inline Uint32 ll_in(Value*stack,Sint16 top,Sint16 m) {
  while(--top>m) if(stack[top].t==stack[m-1].t && stack[top].u==stack[m-1].u) return 1;
  return 0;
}

static Sint16 level_table_exec(Uint16 ptr,const unsigned char*lvl,long sz,ObjInfo*ob,Value*stack,Value*agg) {
  Sint16 sp=0;
  Uint32 k,m;
  while(sp<62) switch(ll_code[ptr++]) {
    case 0 ... 255: stack[sp++]=NVALUE(ll_code[ptr-1]); break;
    case 0x0200 ... 0x02FF: stack[sp++]=MVALUE(ll_code[ptr-1]&255); break;
    case 0x4000 ... 0x7FFF: stack[sp++]=CVALUE(ll_code[ptr-1]&0x3FFF); break;
    case 0xC000 ... 0xFFFF: stack[sp++]=MVALUE((ll_code[ptr-1]&0x3FFF)+256); break;
    case OP_ADD: ArithOp2(t1.u+t2.u); break;
    case OP_BAND: ArithOp2(t1.u&t2.u); break;
    case OP_BIZARRO: if(!ob) goto bad; stack[sp++]=NVALUE(ob->bizarro); break;
    case OP_BNOT: ArithOp1(~t1.u); break;
    case OP_BOR: ArithOp2(t1.u|t2.u); break;
    case OP_BXOR: ArithOp2(t1.u^t2.u); break;
    case OP_CLASS: if(!ob) goto bad; stack[sp++]=CVALUE(ob->class); break;
    case OP_COLLISIONLAYERS: if(!ob) goto bad; stack[sp++]=NVALUE(classes[ob->class]->collisionLayers); break;
    case OP_DELTA: ArithOp2(t1.u>t2.u?t1.u-t2.u:t2.u-t1.u); break;
    case OP_DENSITY: if(!ob) goto bad; stack[sp++]=NVALUE(classes[ob->class]->density); break;
    case OP_DIR: if(!ob) goto bad; stack[sp++]=NVALUE(ob->dir); break;
    case OP_DIV: ArithDivOp2(t1.u/t2.u); break;
    case OP_DIV_C: ArithDivOp2(t1.s/t2.s); break;
    case OP_EQ: OtherOp2(NVALUE((t1.u==t2.u && t1.t==t2.t)?1:0)); break;
    case OP_GE: ArithOp2(t1.u>=t2.u?1:0); break;
    case OP_GE_C: ArithOp2(t1.s>=t2.s?1:0); break;
    case OP_GOTO: ptr=ll_code[ptr]; break;
    case OP_GT: ArithOp2(t1.u>t2.u?1:0); break;
    case OP_GT_C: ArithOp2(t1.s>t2.s?1:0); break;
    case OP_IF:
      if(!sp--) goto bad;
      if(stack[sp].t || stack[sp].u) ptr++; else ptr=ll_code[ptr];
      break;
    case OP_IN: case OP_NIN:
      if(sp<2) goto bad;
      for(m=sp-1;m;m--) if(stack[m].t==TY_MARK) {
        k=ll_in(stack,sp,m);
        sp=m;
        stack[sp-1].t=TY_NUMBER;
        stack[sp-1].u=(ll_code[ptr-1]==OP_IN?0:1)^k;
      }
      if(!m) goto bad;
      break;
    case OP_INPUT: if(!ob) goto bad; stack[sp++]=NVALUE(classes[ob->class]->cflags&CF_INPUT?1:0); break;
    case OP_INT16: stack[sp++]=NVALUE(ll_code[ptr]); ptr++; break;
    case OP_INT32: stack[sp++]=NVALUE(ll_code[ptr+1]); stack[sp-1].u|=ll_code[ptr]<<16; ptr+=2; break;
    case OP_LAND: OtherOp2(NVALUE(((t1.u || t1.t) && (t2.u || t2.t))?1:0)); break;
    case OP_LE: ArithOp2(t1.u<=t2.u?1:0); break;
    case OP_LE_C: ArithOp2(t1.s<=t2.s?1:0); break;
    case OP_LEVEL: stack[sp++]=NVALUE(lvl[2]|(lvl[3]<<8)); break;
    case OP_LNOT: OtherOp1(NVALUE((t1.u || t1.t)?0:1)); break;
    case OP_LOCAL: if(!agg) goto bad; stack[sp++]=agg[ll_code[ptr++]]; break;
    case OP_LOR: OtherOp2(NVALUE((t1.u || t1.t || t2.u || t2.t)?1:0)); break;
    case OP_LSH: ArithOp2(t2.u&~31?0:t1.u<<t2.u); break;
    case OP_LT: ArithOp2(t1.u<t2.u?1:0); break;
    case OP_LT_C: ArithOp2(t1.s<t2.s?1:0); break;
    case OP_LXOR: OtherOp2(NVALUE(((t1.u || t1.t)?1:0)^((t2.u || t2.t)?1:0))); break;
    case OP_MARK: stack[sp++]=UVALUE(0,TY_MARK); break;
    case OP_MAX: ArithOp2(t1.u<t2.u?t2.u:t1.u); break;
    case OP_MAX_C: ArithOp2(t1.s<t2.s?t2.s:t1.s); break;
    case OP_MIN: ArithOp2(t1.u>t2.u?t2.u:t1.u); break;
    case OP_MIN_C: ArithOp2(t1.s>t2.s?t2.s:t1.s); break;
    case OP_MISC1: if(!ob) goto bad; stack[sp++]=ob->misc1; break;
    case OP_MISC2: if(!ob) goto bad; stack[sp++]=ob->misc2; break;
    case OP_MISC3: if(!ob) goto bad; stack[sp++]=ob->misc3; break;
    case OP_MISC4: if(!ob) goto bad; stack[sp++]=NVALUE(classes[ob->class]->misc4); break;
    case OP_MISC5: if(!ob) goto bad; stack[sp++]=NVALUE(classes[ob->class]->misc5); break;
    case OP_MISC6: if(!ob) goto bad; stack[sp++]=NVALUE(classes[ob->class]->misc6); break;
    case OP_MISC7: if(!ob) goto bad; stack[sp++]=NVALUE(classes[ob->class]->misc7); break;
    case OP_MOD: ArithDivOp2(t1.u%t2.u); break;
    case OP_MOD_C: ArithDivOp2(t1.s%t2.s); break;
    case OP_MUL: ArithOp2(t1.u*t2.u); break;
    case OP_MUL_C: ArithOp2(t1.s*t2.s); break;
    case OP_NE: OtherOp2(NVALUE((t1.u==t2.u && t1.t==t2.t)?0:1)); break;
    case OP_NEG: ArithOp1(-t1.s); break;
    case OP_PLAYER: if(!ob) goto bad; stack[sp++]=NVALUE(classes[ob->class]->cflags&CF_PLAYER?1:0); break;
    case OP_RET: return sp;
    case OP_RSH: ArithOp2(t2.u&~31?0:t1.u>>t2.u); break;
    case OP_RSH_C: ArithOp2(t2.u&~31?(t1.s<0?-1:0):t1.s>>t2.u); break;
    case OP_STRING:
      // If starting with @ then a literal string, otherwise match a part of the level title.
      //TODO
      break;
    case OP_SUB: ArithOp2(t1.u-t2.u); break;
    case OP_TEMPERATURE: if(!ob) goto bad; stack[sp++]=NVALUE(classes[ob->class]->temperature); break;
    case OP_USERFLAG:
      if(!ob) goto bad;
      if(ll_code[ptr]<0x1020) k=classes[ob->class]->misc4;
      else if(ll_code[ptr]<0x1040) k=classes[ob->class]->misc5;
      else if(ll_code[ptr]<0x1060) k=classes[ob->class]->misc6;
      else if(ll_code[ptr]<0x1080) k=classes[ob->class]->misc7;
      else k=classes[ob->class]->collisionLayers;
      stack[sp].t=TY_NUMBER;
      stack[sp].u=(k&(1LL<<(ll_code[ptr++]&31)))?1:0;
      sp++;
      break;
    case OP_XLOC: if(!ob) goto bad; stack[sp++]=NVALUE(ob->x); break;
    case OP_YLOC: if(!ob) goto bad; stack[sp++]=NVALUE(ob->y); break;
    default: goto bad;
  }
  bad:
  if(main_options['v']) fprintf(stderr,"Error in LevelTable definition (at 0x%04X)\n",ptr);
  return -1;
}

static void calculate_level_columns(sqlite3_stmt*st,const unsigned char*lvl,long sz) {
  ObjInfo ob;
  ObjInfo mru[2];
  Value stack[64];
  Value agg[64];
  int i,j,n,z;
  const unsigned char*end=lvl+sz;
  const unsigned char*p;
  mru[0].class=mru[1].class=0;
  ob.x=ob.bizarro=ob.class=0; ob.y=1;
  n=0;
  for(i=0;i<64;i++) agg[i]=UVALUE(1,TY_MARK);
  p=lvl+6;
  while(*p && p<end) p++; // skip text for now
  if(p>=end) return;
  p++; // skip null terminator
  // Object loop
  if(ll_naggregate) while(p<end) {
    if(n) {
      ob.class=mru->class;
      ob.misc1=mru->misc1;
      ob.misc2=mru->misc2;
      ob.misc3=mru->misc3;
      ob.dir=mru->dir;
      n--;
      ob.x++;
    } else {
      z=*p++;
      if(z==0xFF) break;
      if(z==0xFE) {
        ob.x=0; ob.y=1; ob.bizarro^=1;
        continue;
      }
      if(z&0x20) ob.x=*p++;
      if(z&0x10) ob.y=*p++;
      if(z&0x40) ob.x++;
      n=z&0x70?0:1;
      if(z&0x80) {
        // MRU
        ob.class=mru[n].class;
        ob.misc1=mru[n].misc1;
        ob.misc2=mru[n].misc2;
        ob.misc3=mru[n].misc3;
        ob.dir=mru[n].dir;
        n=z&15;
      } else {
        // Not MRU
        i=*p++;
        i|=*p++<<8;
        ob.class=i&0x3FFF;
        if(!classes[ob.class]) {
          if(main_options['v']) fprintf(stderr,"Class %d at 0x%X (while loading level table aggregate values) not valid\n",ob.class,(int)(p-lvl));
          return;
        }
        if(!(i&0x8000)) p++;
        ob.dir=z&7;
        ob.misc1=ob.misc2=ob.misc3=NVALUE(0);
        if(z&8) {
          z=*p++;
          if(z&0xC0) ob.misc1=UVALUE(p[0]|(p[1]<<8),(z>>0)&3),p+=2;
          if((z&0xC0)!=0x40) ob.misc2=UVALUE(p[0]|(p[1]<<8),(z>>2)&3),p+=2;
          if(!((z&0xC0)%0xC0)) ob.misc3=UVALUE(p[0]|(p[1]<<8),(z>>4)&3),p+=2;
        }
        if(n!=2) {
          mru[n].class=ob.class;
          mru[n].misc1=ob.misc1;
          mru[n].misc2=ob.misc2;
          mru[n].misc3=ob.misc3;
          mru[n].dir=ob.dir;
        }
        n=0;
      }
    }
    for(i=ll_ndata;i<ll_naggregate+ll_ndata;i++) {
      j=level_table_exec(ll_data[i].ptr,lvl,sz,&ob,stack,0);
      if(j<0) return;
      if(!j) continue;
      z=ll_data[i].sgn;
      if(agg[i-ll_ndata].t==TY_MARK) {
        agg[i-ll_ndata]=*stack;
      } else if(stack->t==TY_NUMBER && agg[i-ll_ndata].t==TY_NUMBER) switch(ll_data[i].ag) {
        case 1: agg[i-ll_ndata].u+=stack->u; break;
        case 2: if(z?(stack->s<agg[i-ll_ndata].s):(stack->u<agg[i-ll_ndata].u)) agg[i-ll_ndata]=*stack; break;
        case 3: if(z?(stack->s>agg[i-ll_ndata].s):(stack->u>agg[i-ll_ndata].u)) agg[i-ll_ndata]=*stack; break;
      }
    }
  }
  // Data column values
  for(i=0;i<ll_ndata;i++) {
    j=level_table_exec(ll_data[i].ptr,lvl,sz,0,stack,agg);
    if(j<=0 || stack->t==TY_MARK) {
      sqlite3_bind_null(st,i+8);
    } else if(j>1 && (stack->t==TY_STRING || stack->t==TY_FOR)) {
      //TODO
    } else if(stack->t==TY_FOR) {
      sqlite3_bind_blob(st,i+8,lvl+(stack->u>>16)+6,stack->u&0xFFFF,SQLITE_TRANSIENT);
    } else if(stack->t==TY_STRING) {
      sqlite3_bind_blob(st,i+8,stringpool[stack->u]+1,strlen(stringpool[stack->u]+1),0);
    } else {
      if(ll_data[i].sgn) sqlite3_bind_int64(st,i+8,stack->s); else sqlite3_bind_int64(st,i+8,stack->u); break;
    }
  }
}

static int vt1_levels_open(sqlite3_vtab*vt,sqlite3_vtab_cursor**cur) {
  sqlite3_str*str;
  sqlite3_stmt*st1;
  sqlite3_stmt*st2;
  const unsigned char*d;
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    if(n<7 || !d) continue;
    sqlite3_bind_int(st2,2,d[2]|(d[3]<<8));
    sqlite3_bind_int(st2,3,(d[4]&63)+1);
    sqlite3_bind_int(st2,4,(d[5]&63)+1);
    for(i=6;i<n && d[i];i++);
    j=d[0]|(d[1]<<8);
    sqlite3_bind_blob(st2,5,d+6,i-6,0);
    calculate_level_column(st2,d,n);
    p=read_lump(FIL_SOLUTION,sqlite3_column_int(st1,0),&n);
    if(p) {
      sqlite3_bind_int(st2,7,(n>2 && d[0]==p[0] && d[1]==p[1]));
      free(p);
    } else {
      sqlite3_bind_int(st2,7,0);
    }








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    if(n<7 || !d) continue;
    sqlite3_bind_int(st2,2,d[2]|(d[3]<<8));
    sqlite3_bind_int(st2,3,(d[4]&63)+1);
    sqlite3_bind_int(st2,4,(d[5]&63)+1);
    for(i=6;i<n && d[i];i++);
    j=d[0]|(d[1]<<8);
    sqlite3_bind_blob(st2,5,d+6,i-6,0);
    calculate_level_columns(st2,d,n);
    p=read_lump(FIL_SOLUTION,sqlite3_column_int(st1,0),&n);
    if(p) {
      sqlite3_bind_int(st2,7,(n>2 && d[0]==p[0] && d[1]==p[1]));
      free(p);
    } else {
      sqlite3_bind_int(st2,7,0);
    }
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