#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;
} 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_modstate(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
sqlite3_result_int(cxt,SDL_GetModState());
}
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 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,
);
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,"LEVEL_CACHEID",0,SQLITE_UTF8|SQLITE_DETERMINISTIC,ptr0,fn_cacheid,0,0);
sqlite3_create_function(userdb,"MODSTATE",0,SQLITE_UTF8,0,fn_modstate,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_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);");
}