#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"
typedef struct {
struct sqlite3_vtab_cursor;
sqlite3_int64 rowid;
char unique,eof;
Uint16 arg[4];
} Cursor;
static void find_first_usable_image(const Class*cl,sqlite3_context*cxt) {
int i;
if(cl->cflags&CF_GROUP) return;
if(!cl->images) return;
for(i=0;i<cl->nimages;i++) {
if(cl->images[i]&0x8000) {
sqlite3_result_int(cxt,i);
return;
}
}
}
static void fn_basename(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
sqlite3_result_text(cxt,basefilename,-1,SQLITE_STATIC);
}
static void fn_cacheid(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
sqlite3_result_int64(cxt,*(sqlite3_int64*)sqlite3_user_data(cxt));
}
static void fn_class_data(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
int id=sqlite3_value_int(argv[0]);
Class*cl;
if(id<0 || id>=0x4000 || !classes[id]) return;
cl=classes[id];
switch(sqlite3_value_int(argv[1])&255) {
case 0: sqlite3_result_int(cxt,id); break;
case 1: sqlite3_result_int64(cxt,cl->temperature); break;
case 2: sqlite3_result_int(cxt,cl->shape); break;
case 7: find_first_usable_image(cl,cxt); break;
case 12: sqlite3_result_int64(cxt,cl->misc4&0xFFFFFFFFULL); break;
case 13: sqlite3_result_int64(cxt,cl->misc5&0xFFFFFFFFULL); break;
case 14: sqlite3_result_int64(cxt,cl->misc6&0xFFFFFFFFULL); break;
case 15: sqlite3_result_int64(cxt,cl->misc7&0xFFFFFFFFULL); break;
case 18: sqlite3_result_int64(cxt,cl->arrivals); break;
case 19: sqlite3_result_int64(cxt,cl->departures); break;
case 32: sqlite3_result_int(cxt,cl->oflags&OF_BUSY?1:0); break;
case 33: sqlite3_result_int(cxt,cl->oflags&OF_INVISIBLE?1:0); break;
case 34: sqlite3_result_int(cxt,cl->oflags&OF_USERSIGNAL?1:0); break;
case 35: sqlite3_result_int(cxt,cl->oflags&OF_USERSTATE?1:0); break;
case 36: sqlite3_result_int(cxt,cl->oflags&OF_KEYCLEARED?1:0); break;
case 37: sqlite3_result_int(cxt,cl->cflags&CF_PLAYER?1:0); break;
case 38: sqlite3_result_int(cxt,cl->oflags&OF_DESTROYED?1:0); break;
case 39: sqlite3_result_int(cxt,cl->oflags&OF_STEALTHY?1:0); break;
case 40: sqlite3_result_int(cxt,cl->oflags&OF_VISUALONLY?1:0); break;
case 64: sqlite3_result_int64(cxt,cl->density); break;
case 65: sqlite3_result_int64(cxt,cl->volume); break;
case 66: sqlite3_result_int64(cxt,cl->strength); break;
case 67: sqlite3_result_int64(cxt,cl->weight); break;
case 69: sqlite3_result_int64(cxt,cl->height); break;
case 70: sqlite3_result_int64(cxt,cl->climb); break;
case 72: sqlite3_result_int(cxt,cl->hard[0]); break;
case 73: sqlite3_result_int(cxt,cl->hard[1]); break;
case 74: sqlite3_result_int(cxt,cl->hard[2]); break;
case 75: sqlite3_result_int(cxt,cl->hard[3]); break;
case 76: sqlite3_result_int(cxt,cl->sharp[0]); break;
case 77: sqlite3_result_int(cxt,cl->sharp[1]); break;
case 78: sqlite3_result_int(cxt,cl->sharp[2]); break;
case 79: sqlite3_result_int(cxt,cl->sharp[3]); break;
case 80: sqlite3_result_int(cxt,(cl->shape>>0)&3); break;
case 81: sqlite3_result_int(cxt,(cl->shape>>2)&3); break;
case 82: sqlite3_result_int(cxt,(cl->shape>>4)&3); break;
case 83: sqlite3_result_int(cxt,(cl->shape>>6)&3); break;
case 84: sqlite3_result_int(cxt,cl->shovable); break;
case 128: sqlite3_result_double(cxt,cl->volume/(double)max_volume); break;
case 129: sqlite3_result_int(cxt,cl->uservars); break;
case 130: sqlite3_result_int(cxt,cl->collisionLayers); break;
case 132: sqlite3_result_int(cxt,cl->cflags&CF_COMPATIBLE?1:0); break;
}
}
static void fn_cvalue(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
int a;
if(sqlite3_value_type(*argv)==SQLITE_NULL) return;
a=sqlite3_value_int(*argv)&0xFFFF;
sqlite3_result_int64(cxt,a|((sqlite3_int64)TY_CLASS<<32));
}
static void fn_heromesh_type(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
static const char*const n[16]={
[TY_NUMBER]="number",
[TY_CLASS]="class",
[TY_MESSAGE]="message",
[TY_LEVELSTRING]="string",
[TY_STRING]="string",
[TY_SOUND]="sound",
[TY_USOUND]="sound",
};
int i;
if(sqlite3_value_type(*argv)!=SQLITE_INTEGER) return;
i=sqlite3_value_int64(*argv)>>32;
sqlite3_result_text(cxt,i<0||i>TY_MAXTYPE?"object":n[i]?:"???",-1,SQLITE_STATIC);
}
static void fn_load_level(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
const char*s;
if(!main_options['x']) {
sqlite3_result_error(cxt,"LOAD_LEVEL function requires -x switch",-1);
return;
}
if(sqlite3_value_type(*argv)==SQLITE_NULL) return;
s=load_level(sqlite3_value_int(*argv));
if(s) sqlite3_result_error(cxt,s,-1);
}
static void fn_modstate(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
sqlite3_result_int(cxt,SDL_GetModState());
}
static void fn_mvalue(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
int a;
if(sqlite3_value_type(*argv)==SQLITE_NULL) return;
a=sqlite3_value_int(*argv)&0xFFFF;
sqlite3_result_int64(cxt,a|((sqlite3_int64)TY_MESSAGE<<32LL));
}
static void fn_ovalue(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
Uint32 a;
if(sqlite3_value_type(*argv)==SQLITE_NULL) {
sqlite3_result_int(cxt,0);
return;
}
a=sqlite3_value_int64(*argv)&0xFFFFFFFF;
if(a>=nobjects || !objects[a] || (objects[a]->dir&IOF_DEAD)) return; // result is null if object does not exist
sqlite3_result_int64(cxt,a|((sqlite3_int64)objects[a]->generation<<32));
}
static void fn_pfsize(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
sqlite3_result_int(cxt,*(Uint8*)sqlite3_user_data(cxt));
}
static void fn_picture_size(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
sqlite3_result_int(cxt,picture_size);
}
static void fn_read_lump_at(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
sqlite3_int64 of=sqlite3_value_int64(argv[0]);
FILE*fp=sqlite3_value_pointer(argv[1],"http://zzo38computer.org/fossil/heromesh.ui#FILE_ptr");
long sz;
Uint8*buf;
if(!fp) return;
rewind(fp);
fseek(fp,of-4,SEEK_SET);
sz=fgetc(fp)<<16; sz|=fgetc(fp)<<24; sz|=fgetc(fp); sz|=fgetc(fp)<<8;
if(sz>0) {
buf=malloc(sz);
if(!buf) fatal("Allocation failed\n");
if(fread(buf,1,sz,fp)<=0) fatal("I/O error in READ_LUMP_AT() function\n");
sqlite3_result_blob64(cxt,buf,sz,free);
} else {
sqlite3_result_zeroblob64(cxt,0);
}
}
static void fn_resource(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
int i;
if(argc>14 || argc<1) {
sqlite3_result_error(cxt,"Invalid number of XRM resource components",-1);
} else {
for(i=0;i<argc;i++) optionquery[i+1]=xrm_make_quark(sqlite3_value_text(argv[i])?:(const unsigned char*)"?",0)?:xrm_anyq;
sqlite3_result_text(cxt,xrm_get_resource(resourcedb,optionquery,optionquery,argc+1),-1,SQLITE_TRANSIENT);
}
}
static void fn_sign_extend(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
sqlite3_int64 a;
if(sqlite3_value_type(*argv)==SQLITE_NULL) return;
a=sqlite3_value_int64(*argv)&0xFFFFFFFF;
sqlite3_result_int64(cxt,a-(a&0x80000000?0x100000000LL:0));
}
static void fn_zero_extend(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
sqlite3_int64 a;
if(sqlite3_value_type(*argv)==SQLITE_NULL) return;
a=sqlite3_value_int64(*argv)&0xFFFFFFFF;
sqlite3_result_int64(cxt,a);
}
static int vt0_close(sqlite3_vtab_cursor*cur) {
sqlite3_free(cur);
return SQLITE_OK;
}
static int vt0_connect(sqlite3*db,void*aux,int argc,const char*const*argv,sqlite3_vtab**vt,char**err) {
sqlite3_declare_vtab(db,aux);
*vt=sqlite3_malloc(sizeof(sqlite3_vtab));
return *vt?SQLITE_OK:SQLITE_NOMEM;
}
static int vt0_disconnect(sqlite3_vtab*vt) {
sqlite3_free(vt);
return SQLITE_OK;
}
static int vt0_eof(sqlite3_vtab_cursor*pcur) {
Cursor*cur=(void*)pcur;
return cur->eof;
}
static int vt0_index(sqlite3_vtab*vt,sqlite3_index_info*info) {
int i;
if(info->nOrderBy==1 && (info->aOrderBy->iColumn==-1 || !info->aOrderBy->iColumn) && !info->aOrderBy->desc) info->orderByConsumed=1;
for(i=0;i<info->nConstraint;i++) {
if((info->aConstraint[i].iColumn==-1 || !info->aConstraint[i].iColumn) && info->aConstraint[i].op==SQLITE_INDEX_CONSTRAINT_EQ && info->aConstraint[i].usable) {
info->aConstraintUsage[i].argvIndex=1;
info->aConstraintUsage[i].omit=1;
info->idxFlags=SQLITE_INDEX_SCAN_UNIQUE;
break;
}
}
return SQLITE_OK;
}
static int vt0_open(sqlite3_vtab*vt,sqlite3_vtab_cursor**cur) {
*cur=sqlite3_malloc(sizeof(Cursor));
return *cur?SQLITE_OK:SQLITE_NOMEM;
}
static int vt0_rename(sqlite3_vtab*vt,const char*z) {
return SQLITE_ERROR;
}
static int vt0_rowid(sqlite3_vtab_cursor*pcur,sqlite3_int64*rowid) {
Cursor*cur=(void*)pcur;
*rowid=cur->rowid;
return SQLITE_OK;
}
#define Module(a,...) static const sqlite3_module a={ \
.xBestIndex=vt0_index, .xClose=vt0_close, .xConnect=vt0_connect, .xDisconnect=vt0_disconnect, \
.xEof=vt0_eof, .xOpen=vt0_open, .xRename=vt0_rename, .xRowid=vt0_rowid, __VA_ARGS__ };
static int vt1_messages_column(sqlite3_vtab_cursor*pcur,sqlite3_context*cxt,int n) {
Cursor*cur=(void*)pcur;
switch(n) {
case 0: // ID
sqlite3_result_int64(cxt,cur->rowid);
break;
case 1: // NAME
if(sqlite3_vtab_nochange(cxt)) return SQLITE_OK;
if(cur->rowid<256) sqlite3_result_text(cxt,standard_message_names[cur->rowid],-1,0);
else sqlite3_result_text(cxt,sqlite3_mprintf("#%s",messages[cur->rowid-256]),-1,sqlite3_free);
break;
case 2: // TRACE
if(cur->rowid>=0 && cur->rowid<0x4100) sqlite3_result_int(cxt,message_trace[cur->rowid>>3]&(1<<(cur->rowid&7))?1:0);
break;
}
return SQLITE_OK;
}
static int vt1_messages_filter(sqlite3_vtab_cursor*pcur,int idxNum,const char*idxStr,int argc,sqlite3_value**argv) {
Cursor*cur=(void*)pcur;
if(argc) {
cur->rowid=sqlite3_value_int64(*argv);
cur->unique=1;
if(cur->rowid>=0x4100 || cur->rowid<0) cur->eof=1;
else if(cur->rowid>=N_MESSAGES || cur->rowid<256) cur->eof=1;
else cur->eof=messages[cur->rowid-256]?0:1;
} else {
cur->rowid=0;
cur->unique=0;
cur->eof=0;
}
return SQLITE_OK;
}
static int vt1_messages_next(sqlite3_vtab_cursor*pcur) {
Cursor*cur=(void*)pcur;
if(cur->unique) {
cur->eof=1;
} else if(cur->rowid<256) {
++cur->rowid;
if(cur->rowid==N_MESSAGES) {
cur->rowid=256;
if(!*messages) goto next_user_msg;
}
} else {
next_user_msg:
for(;;) {
if(++cur->rowid==0x4100) {
cur->eof=1;
break;
}
if(messages[cur->rowid-256]) break;
}
}
return SQLITE_OK;
}
static int vt1_messages_update(sqlite3_vtab*vt,int argc,sqlite3_value**argv,sqlite3_int64*rowid) {
sqlite3_int64 id;
int v;
if(argc!=5 || sqlite3_value_type(*argv)!=SQLITE_INTEGER) return SQLITE_CONSTRAINT_VTAB;
id=sqlite3_value_int64(*argv);
if(id!=sqlite3_value_int64(argv[1])) return SQLITE_CONSTRAINT_VTAB;
if(sqlite3_value_type(argv[4])!=SQLITE_INTEGER) return SQLITE_MISMATCH;
v=sqlite3_value_int(argv[4]);
if(v&~1) return SQLITE_CONSTRAINT_CHECK;
if(id<0 || id>=0x4100) return SQLITE_INTERNAL;
if(v) message_trace[id>>3]|=1<<(id&7);
else message_trace[id>>3]&=~(1<<(id&7));
return SQLITE_OK;
}
Module(vt_messages,
.xColumn=vt1_messages_column,
.xFilter=vt1_messages_filter,
.xNext=vt1_messages_next,
.xUpdate=vt1_messages_update,
);
static int vt1_classes_column(sqlite3_vtab_cursor*pcur,sqlite3_context*cxt,int n) {
Cursor*cur=(void*)pcur;
switch(n) {
case 0: // ID
sqlite3_result_int64(cxt,cur->rowid);
break;
case 1: // NAME
if(sqlite3_vtab_nochange(cxt)) return SQLITE_OK;
sqlite3_result_text(cxt,classes[cur->rowid]->name,-1,0);
break;
case 2: // EDITORHELP
if(sqlite3_vtab_nochange(cxt)) return SQLITE_OK;
sqlite3_result_text(cxt,classes[cur->rowid]->edithelp,-1,0);
break;
case 3: // HELP
if(sqlite3_vtab_nochange(cxt)) return SQLITE_OK;
sqlite3_result_text(cxt,classes[cur->rowid]->gamehelp,-1,0);
break;
case 4: // INPUT
sqlite3_result_int(cxt,classes[cur->rowid]->cflags&CF_INPUT?1:0);
break;
case 5: // QUIZ
sqlite3_result_int(cxt,classes[cur->rowid]->cflags&CF_QUIZ?1:0);
break;
case 6: // TRACEIN
sqlite3_result_int(cxt,classes[cur->rowid]->oflags&OF_TRACEIN?1:0);
break;
case 7: // TRACEOUT
sqlite3_result_int(cxt,classes[cur->rowid]->oflags&OF_TRACEOUT?1:0);
break;
case 8: // GROUP
if(sqlite3_vtab_nochange(cxt)) return SQLITE_OK;
if(classes[cur->rowid]->cflags&CF_GROUP) {
char*s=sqlite3_mprintf(" ");
if(!s) return SQLITE_NOMEM;
for(n=0;classes[cur->rowid]->codes[n];n++) {
s=sqlite3_mprintf("%z%s ",s,classes[classes[cur->rowid]->codes[n]]->name);
if(!s) return SQLITE_NOMEM;
}
sqlite3_result_text(cxt,s,-1,sqlite3_free);
} else {
sqlite3_result_null(cxt);
}
break;
case 9: // PLAYER
sqlite3_result_int(cxt,classes[cur->rowid]->cflags&CF_PLAYER?1:0);
break;
}
return SQLITE_OK;
}
static int vt1_classes_filter(sqlite3_vtab_cursor*pcur,int idxNum,const char*idxStr,int argc,sqlite3_value**argv) {
Cursor*cur=(void*)pcur;
cur->eof=0;
if(argc) {
cur->rowid=sqlite3_value_int64(*argv);
cur->unique=1;
if(cur->rowid<=0 || cur->rowid>=0x4000 || !classes[cur->rowid] || classes[cur->rowid]->cflags&CF_NOCLASS2) cur->eof=1;
} else {
cur->unique=0;
cur->rowid=1;
while(cur->rowid<0x4000 && (!classes[cur->rowid] || classes[cur->rowid]->cflags&CF_NOCLASS2)) ++cur->rowid;
if(cur->rowid>=0x4000) cur->eof=1;
}
return SQLITE_OK;
}
static int vt1_classes_next(sqlite3_vtab_cursor*pcur) {
Cursor*cur=(void*)pcur;
if(cur->unique) {
cur->eof=1;
} else {
++cur->rowid;
while(cur->rowid<0x4000 && (!classes[cur->rowid] || classes[cur->rowid]->cflags&CF_NOCLASS2)) ++cur->rowid;
if(cur->rowid>=0x4000) cur->eof=1;
}
return SQLITE_OK;
}
static int vt1_classes_update(sqlite3_vtab*vt,int argc,sqlite3_value**argv,sqlite3_int64*rowid) {
sqlite3_int64 id;
int v[3];
if(argc!=5 || sqlite3_value_type(*argv)!=SQLITE_INTEGER) return SQLITE_CONSTRAINT_VTAB;
id=sqlite3_value_int64(*argv);
if(id!=sqlite3_value_int64(argv[1])) return SQLITE_CONSTRAINT_VTAB;
if(id<=0 || id>=0x4000 || !classes[id]) return SQLITE_INTERNAL;
v[0]=sqlite3_value_int(argv[5]);
v[1]=sqlite3_value_int(argv[6]);
v[2]=sqlite3_value_int(argv[7]);
if((v[0]|v[1]|v[2])&~1) return SQLITE_CONSTRAINT_CHECK;
if(v[0]) classes[id]->cflags|=CF_QUIZ; else classes[id]->cflags&=~CF_QUIZ;
classes[id]->oflags&=~(OF_TRACEIN|OF_TRACEOUT);
classes[id]->oflags|=(v[1]?OF_TRACEIN:0)|(v[2]?OF_TRACEOUT:0);
return SQLITE_OK;
}
Module(vt_classes,
.xColumn=vt1_classes_column,
.xFilter=vt1_classes_filter,
.xNext=vt1_classes_next,
.xUpdate=vt1_classes_update,
);
static int vt1_objects_column(sqlite3_vtab_cursor*pcur,sqlite3_context*cxt,int n) {
Cursor*cur=(void*)pcur;
switch(n) {
case 0: // ID
sqlite3_result_int64(cxt,cur->rowid);
break;
case 1: // CLASS
sqlite3_result_int(cxt,objects[cur->rowid]->class);
break;
case 2: // MISC1
sqlite3_result_int64(cxt,ValueTo64(objects[cur->rowid]->misc1));
break;
case 3: // MISC2
sqlite3_result_int64(cxt,ValueTo64(objects[cur->rowid]->misc2));
break;
case 4: // MISC3
sqlite3_result_int64(cxt,ValueTo64(objects[cur->rowid]->misc3));
break;
case 5: // IMAGE
sqlite3_result_int(cxt,objects[cur->rowid]->image);
break;
case 6: // DIR
sqlite3_result_int(cxt,objects[cur->rowid]->dir&7);
break;
case 7: // X
sqlite3_result_int(cxt,objects[cur->rowid]->x);
break;
case 8: // Y
sqlite3_result_int(cxt,objects[cur->rowid]->y);
break;
case 9: // UP
if(objects[cur->rowid]->up!=VOIDLINK) sqlite3_result_int64(cxt,objects[cur->rowid]->up);
break;
case 10: // DOWN
if(objects[cur->rowid]->down!=VOIDLINK) sqlite3_result_int64(cxt,objects[cur->rowid]->down);
break;
case 11: // DENSITY
sqlite3_result_int(cxt,objects[cur->rowid]->density);
break;
}
return SQLITE_OK;
}
static int vt1_objects_next(sqlite3_vtab_cursor*pcur) {
Cursor*cur=(void*)pcur;
if(cur->unique) {
eof:
cur->eof=1;
return SQLITE_OK;
}
again:
if(cur->arg[0]&0x0008) {
// Ordered by ID
if(cur->arg[1] || !objects[cur->rowid]) {
for(;;) {
if(++cur->rowid>=nobjects) {
cur->eof=1;
break;
}
if(objects[cur->rowid]) break;
}
}
cur->arg[1]=1;
} else if((cur->arg[0]&0x0006) && !cur->arg[1]) {
// Find top/bottom at location
cur->arg[1]=1;
atxy:
cur->rowid=playfield[cur->arg[2]+cur->arg[3]*64-65];
if(cur->rowid==VOIDLINK) goto nextxy;
if(cur->arg[0]&0x0020) {
while(cur->rowid!=VOIDLINK && objects[cur->rowid]->up!=VOIDLINK) cur->rowid=objects[cur->rowid]->up;
}
} else if(cur->arg[0]&0x0020) {
// Go down
cur->rowid=objects[cur->rowid]->down;
if(cur->rowid==VOIDLINK) goto nextxy;
} else if(cur->arg[0]&0x0040) {
// Go up
cur->rowid=objects[cur->rowid]->up;
if(cur->rowid==VOIDLINK) {
nextxy:
if(cur->arg[0]&0x1000) {
cur->arg[2]+=cur->arg[0]&0x0400?-1:1;
if(cur->arg[0]&0x0002) goto eof;
if(cur->arg[2]<1 || cur->arg[2]>pfwidth) {
if(cur->arg[0]&0x0004) goto eof;
cur->arg[2]=cur->arg[0]&0x0400?pfwidth:1;
cur->arg[3]+=cur->arg[0]&0x4000?-1:1;
if(cur->arg[3]<1 || cur->arg[3]>pfheight) goto eof;
}
} else {
cur->arg[3]+=cur->arg[0]&0x4000?-1:1;
if(cur->arg[0]&0x0004) goto eof;
if(cur->arg[3]<1 || cur->arg[3]>pfheight) {
if(cur->arg[0]&0x0002) goto eof;
cur->arg[3]=cur->arg[0]&0x4000?pfheight:1;
cur->arg[2]+=cur->arg[0]&0x0400?-1:1;
if(cur->arg[2]<1 || cur->arg[2]>pfwidth) goto eof;
}
}
goto atxy;
}
} else {
// This shouldn't happen
return SQLITE_INTERNAL;
}
if(!cur->eof && (objects[cur->rowid]->dir&IOF_DEAD)) goto again;
return SQLITE_OK;
}
static int vt1_objects_filter(sqlite3_vtab_cursor*pcur,int idxNum,const char*idxStr,int argc,sqlite3_value**argv) {
Cursor*cur=(void*)pcur;
int i;
Uint32 t;
cur->rowid=-1;
cur->unique=0;
cur->eof=0;
cur->arg[0]=idxNum;
cur->arg[1]=0;
cur->arg[2]=cur->arg[3]=1;
if(!nobjects) {
cur->eof=1;
return SQLITE_OK;
}
if(idxStr) for(i=0;idxStr[i];i++) switch(idxStr[i]) {
case 'a':
cur->rowid=sqlite3_value_int64(argv[i]);
cur->unique=1;
break;
case 'b':
if(cur->rowid<sqlite3_value_int64(argv[i])) {
cur->rowid=sqlite3_value_int64(argv[i]);
cur->arg[1]=1;
if(cur->unique) cur->eof=1;
}
break;
case 'c':
if(cur->rowid<=sqlite3_value_int64(argv[i])) {
cur->rowid=sqlite3_value_int64(argv[i]);
cur->arg[1]=0;
if(cur->unique) cur->eof=1;
}
break;
case 'd':
cur->arg[2]=sqlite3_value_int(argv[i]);
if(cur->arg[2]<1 || cur->arg[2]>64) cur->eof=1;
break;
case 'e':
cur->arg[3]=sqlite3_value_int(argv[i]);
if(cur->arg[2]<1 || cur->arg[2]>64) cur->eof=1;
break;
case 'f':
if(sqlite3_value_type(argv[i])==SQLITE_NULL) {
cur->arg[0]=idxNum&=~0x0010;
} else {
t=sqlite3_value_int64(argv[i]);
if(t>=nobjects || t<0 || !objects[t]) {
cur->eof=1;
break;
}
cur->rowid=objects[t]->down;
if(cur->rowid==VOIDLINK) cur->eof=1;
cur->unique=1;
}
break;
case 'g':
if(sqlite3_value_type(argv[i])==SQLITE_NULL) {
cur->arg[0]=idxNum&=~0x0010;
} else {
t=sqlite3_value_int64(argv[i]);
if(t>=nobjects || t<0 || !objects[t]) {
cur->eof=1;
break;
}
cur->rowid=objects[t]->up;
if(cur->rowid==VOIDLINK) cur->eof=1;
cur->unique=1;
}
break;
}
if(cur->unique) {
if(cur->rowid<0 || cur->rowid>=nobjects || !objects[cur->rowid]) cur->eof=1;
return SQLITE_OK;
}
if(cur->eof) return SQLITE_OK;
if(idxNum&0x0400) cur->arg[2]=pfwidth;
if(idxNum&0x4000) cur->arg[3]=pfheight;
if(cur->rowid==-1) cur->rowid=0;
return vt1_objects_next(pcur);
}
static int vt1_objects_index(sqlite3_vtab*vt,sqlite3_index_info*info) {
sqlite3_str*str=sqlite3_str_new(0);
int arg=0;
int i,j;
info->estimatedCost=100000.0;
for(i=0;i<info->nConstraint;i++) if(info->aConstraint[i].usable) {
j=info->aConstraint[i].op;
switch(info->aConstraint[i].iColumn) {
case -1: case 0: // ID
if(info->idxNum&0x0017) break;
if(j==SQLITE_INDEX_CONSTRAINT_EQ || j==SQLITE_INDEX_CONSTRAINT_IS) {
info->idxNum|=0x0001;
info->aConstraintUsage[i].omit=1;
info->aConstraintUsage[i].argvIndex=++arg;
info->idxFlags=SQLITE_INDEX_SCAN_UNIQUE;
sqlite3_str_appendchar(str,1,'a');
info->estimatedCost/=10000.0;
} else if(j==SQLITE_INDEX_CONSTRAINT_GT || j==SQLITE_INDEX_CONSTRAINT_GE) {
info->idxNum|=0x0008;
info->aConstraintUsage[i].omit=1;
info->aConstraintUsage[i].argvIndex=++arg;
sqlite3_str_appendchar(str,1,j==SQLITE_INDEX_CONSTRAINT_GT?'b':'c');
info->estimatedCost/=1200.0;
}
break;
case 7: // X
if(info->idxNum&0x0013) break;
if(j==SQLITE_INDEX_CONSTRAINT_EQ || j==SQLITE_INDEX_CONSTRAINT_IS) {
info->idxNum|=0x0002;
info->aConstraintUsage[i].omit=1;
info->aConstraintUsage[i].argvIndex=++arg;
sqlite3_str_appendchar(str,1,'d');
info->estimatedCost/=64.0;
}
break;
case 8: // Y
if(info->idxNum&0x0015) break;
if(j==SQLITE_INDEX_CONSTRAINT_EQ || j==SQLITE_INDEX_CONSTRAINT_IS) {
info->idxNum|=0x0004;
info->aConstraintUsage[i].omit=1;
info->aConstraintUsage[i].argvIndex=++arg;
sqlite3_str_appendchar(str,1,'e');
info->estimatedCost/=64.0;
}
break;
case 9: // UP
if(info->idxNum&0x0019) break;
if(j==SQLITE_INDEX_CONSTRAINT_IS && !(info->idxNum&0x000E)) {
info->idxNum|=0x0010;
info->aConstraintUsage[i].omit=1;
info->aConstraintUsage[i].argvIndex=++arg;
sqlite3_str_appendchar(str,1,'f');
info->estimatedCost/=80.0;
}
break;
case 10: // DOWN
if(info->idxNum&0x0019) break;
if(j==SQLITE_INDEX_CONSTRAINT_IS && !(info->idxNum&0x000E)) {
info->idxNum|=0x0010;
info->aConstraintUsage[i].omit=1;
info->aConstraintUsage[i].argvIndex=++arg;
sqlite3_str_appendchar(str,1,'g');
info->estimatedCost/=80.0;
}
break;
}
}
if(info->nOrderBy==1) {
if(info->aOrderBy->iColumn==0 && !info->aOrderBy->desc && !(info->idxNum&~0x0008)) info->orderByConsumed=1;
if(info->aOrderBy->iColumn==-1 && !info->aOrderBy->desc && !(info->idxNum&~0x0008)) info->orderByConsumed=1;
if(info->aOrderBy->iColumn==7 && !(info->idxNum&~0x0004)) info->orderByConsumed=1,info->idxNum|=info->aOrderBy->desc?0x0400:0x0800;
if(info->aOrderBy->iColumn==8 && !(info->idxNum&~0x0002)) info->orderByConsumed=1,info->idxNum|=info->aOrderBy->desc?0x4000:0x8000;
if(info->aOrderBy->iColumn==11 && info->idxNum==0x0006) info->orderByConsumed=1,info->idxNum|=info->aOrderBy->desc?0x0040:0x0020;
} else if(info->nOrderBy==2 && !(info->idxNum&~0x0066)) {
if(info->aOrderBy[0].iColumn==7 && info->aOrderBy[1].iColumn==8) {
info->orderByConsumed=1;
info->idxNum|=info->aOrderBy[0].desc?0x0400:0x0800;
info->idxNum|=info->aOrderBy[1].desc?0x4000:0x8000;
} else if(info->aOrderBy[0].iColumn==8 && info->aOrderBy[1].iColumn==7) {
info->orderByConsumed=1;
info->idxNum|=info->aOrderBy[0].desc?0x4000:0x8000;
info->idxNum|=info->aOrderBy[1].desc?0x0400:0x0800;
info->idxNum|=0x1000;
}
} else if(info->nOrderBy==3 && info->aOrderBy[2].iColumn==11 && !(info->idxNum&~0x0006)) {
if(info->aOrderBy[0].iColumn==7 && info->aOrderBy[1].iColumn==8) {
info->orderByConsumed=1;
info->idxNum|=info->aOrderBy[0].desc?0x0400:0x0800;
info->idxNum|=info->aOrderBy[1].desc?0x4000:0x8000;
info->idxNum|=info->aOrderBy[2].desc?0x0040:0x0020;
} else if(info->aOrderBy[0].iColumn==8 && info->aOrderBy[1].iColumn==7) {
info->orderByConsumed=1;
info->idxNum|=info->aOrderBy[0].desc?0x4000:0x8000;
info->idxNum|=info->aOrderBy[1].desc?0x0400:0x0800;
info->idxNum|=0x1000;
info->idxNum|=info->aOrderBy[2].desc?0x0040:0x0020;
}
}
if(info->orderByConsumed) info->estimatedCost-=0.5;
switch(info->idxNum&0x0006) {
case 0x0002: info->idxNum&=~0x1000; break;
case 0x0004: info->idxNum|=0x1000; break;
}
if(!info->idxNum) info->idxNum=0x0008;
if((info->idxNum&0x0006) && !(info->idxNum&0x0060)) info->idxNum|=0x0040;
if((info->idxNum&0xCC00) && !(info->idxNum&0x0069)) info->idxNum|=0x0040;
arg=sqlite3_str_errcode(str);
info->idxStr=sqlite3_str_finish(str);
info->needToFreeIdxStr=1;
return arg;
}
static int vt1_objects_update(sqlite3_vtab*vt,int argc,sqlite3_value**argv,sqlite3_int64*rowid) {
if(!main_options['e']) return SQLITE_LOCKED;
return SQLITE_OK;
}
Module(vt_objects,
.xBestIndex=vt1_objects_index,
.xColumn=vt1_objects_column,
.xFilter=vt1_objects_filter,
.xNext=vt1_objects_next,
.xUpdate=vt1_objects_update,
);
void init_sql_functions(sqlite3_int64*ptr0,sqlite3_int64*ptr1) {
sqlite3_create_function(userdb,"BASENAME",0,SQLITE_UTF8|SQLITE_DETERMINISTIC,0,fn_basename,0,0);
sqlite3_create_function(userdb,"CLASS_DATA",2,SQLITE_UTF8|SQLITE_DETERMINISTIC,0,fn_class_data,0,0);
sqlite3_create_function(userdb,"CVALUE",1,SQLITE_UTF8|SQLITE_DETERMINISTIC,0,fn_cvalue,0,0);
sqlite3_create_function(userdb,"HEROMESH_TYPE",1,SQLITE_UTF8|SQLITE_DETERMINISTIC,0,fn_heromesh_type,0,0);
sqlite3_create_function(userdb,"LEVEL_CACHEID",0,SQLITE_UTF8|SQLITE_DETERMINISTIC,ptr0,fn_cacheid,0,0);
sqlite3_create_function(userdb,"LOAD_LEVEL",1,SQLITE_UTF8,0,fn_load_level,0,0);
sqlite3_create_function(userdb,"MODSTATE",0,SQLITE_UTF8,0,fn_modstate,0,0);
sqlite3_create_function(userdb,"MVALUE",1,SQLITE_UTF8|SQLITE_DETERMINISTIC,0,fn_mvalue,0,0);
sqlite3_create_function(userdb,"NVALUE",1,SQLITE_UTF8|SQLITE_DETERMINISTIC,0,fn_zero_extend,0,0);
sqlite3_create_function(userdb,"OVALUE",1,SQLITE_UTF8,0,fn_ovalue,0,0);
sqlite3_create_function(userdb,"PFHEIGHT",0,SQLITE_UTF8,&pfheight,fn_pfsize,0,0);
sqlite3_create_function(userdb,"PFWIDTH",0,SQLITE_UTF8,&pfwidth,fn_pfsize,0,0);
sqlite3_create_function(userdb,"PICTURE_SIZE",0,SQLITE_UTF8|SQLITE_DETERMINISTIC,0,fn_picture_size,0,0);
sqlite3_create_function(userdb,"READ_LUMP_AT",2,SQLITE_UTF8,0,fn_read_lump_at,0,0);
sqlite3_create_function(userdb,"RESOURCE",-1,SQLITE_UTF8|SQLITE_DETERMINISTIC,0,fn_resource,0,0);
sqlite3_create_function(userdb,"SIGN_EXTEND",1,SQLITE_UTF8|SQLITE_DETERMINISTIC,0,fn_sign_extend,0,0);
sqlite3_create_function(userdb,"SOLUTION_CACHEID",0,SQLITE_UTF8|SQLITE_DETERMINISTIC,ptr1,fn_cacheid,0,0);
sqlite3_create_function(userdb,"ZERO_EXTEND",1,SQLITE_UTF8|SQLITE_DETERMINISTIC,0,fn_zero_extend,0,0);
sqlite3_create_module(userdb,"CLASSES",&vt_classes,"CREATE TABLE `CLASSES`(`ID` INTEGER PRIMARY KEY, `NAME` TEXT, `EDITORHELP` TEXT, `HELP` TEXT,"
"`INPUT` INT, `QUIZ` INT, `TRACEIN` INT, `TRACEOUT` INT, `GROUP` TEXT, `PLAYER` INT);");
sqlite3_create_module(userdb,"MESSAGES",&vt_messages,"CREATE TABLE `MESSAGES`(`ID` INTEGER PRIMARY KEY, `NAME` TEXT, `TRACE` INT);");
sqlite3_create_module(userdb,"OBJECTS",&vt_objects,"CREATE TABLE `OBJECTS`(`ID` INTEGER PRIMARY KEY, `CLASS` INT, `MISC1` INT, `MISC2` INT, `MISC3` INT,"
"`IMAGE` INT, `DIR` INT, `X` INT, `Y` INT, `UP` INT, `DOWN` INT, `DENSITY` INT HIDDEN);");
}