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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#include "cursorshapes.h"

typedef struct {
  Uint8 size,meth;
  Uint8 data[0]; // the first row is all 0, since the compression algorithm requires this
} Picture;

typedef struct {
  Uint8 colors[64];
  Uint8 ncolors;
} ColorFilter;

typedef struct {
  char name[64];
} OverlayFilter;

typedef struct {
  Uint8 shift[32];
  Uint8 size[32];
  Uint8 nshift;
} ShiftFilter;

typedef struct {
  Uint8 code;
  // 0-7 = flip/rotations
  // 8-10 = change colours (8 is *->* *->* *->*; 9 is \->*->*->*->/; 10 is *<->* *<->* *<->*)
  // 11 = overlay
  // 12-15 = shift (up, down, right, left)
  union {
    ColorFilter color;
    OverlayFilter overlay;
    ShiftFilter shift;
  };
} Filter;

typedef struct {
  char basename[64];
  Filter filters[64];
  Uint8 nfilters;
} DependentPicture;

static Uint8 cur_type;

static void fn_valid_name(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
  const char*s=sqlite3_value_text(*argv);
  if(!s || !*s || s[strspn(s,"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_-0123456789")]) {
    sqlite3_result_error(cxt,"Invalid name",-1);
    return;
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}

static void compress_picture(FILE*out,Picture*pic) {
  int bm=15;
  int bs=pic->size*pic->size;
  FILE*fp=fmemopen(0,bs,"w");
  int i,j;
  if(!fp) fatal("Error with fmemopen");
  if(!fp) fatal("Error with fmemopen\n");
  for(i=0;i<8;i++) {
    compress_picture_1(fp,pic);
    if(!ferror(fp)) {
      j=ftell(fp);
      if(j>0 && j<bs) bs=j,bm=i;
    }
    rewind(fp);
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        }
        break;
      case SDL_VIDEOEXPOSE:
        goto redraw;
    }
  }
}

static void load_dependent_picture(const Uint8*data,int size,DependentPicture*dp) {
  FILE*fp;
  int i,j,k;
  memset(dp,0,sizeof(DependentPicture));
  if(!size) {
    const char*s=screen_prompt("Name of base picture:");
    if(s) strncpy(dp->basename,s,63);
    return;
  }
  fp=fmemopen((Uint8*)data,size,"r");
  if(!fp) fatal("Error with fmemopen\n");
  i=0;
  for(;;) {
    j=fgetc(fp);
    if(j<32) {
      if(j>0) ungetc(j,fp);
      break;
    }
    if(i<63) dp->basename[i++]=j;
  }
  while(dp->nfilters<64) {
    if((j=fgetc(fp))<0) break;
    switch(dp->filters[i=dp->nfilters++].code=j) {
      case 8 ... 10:
        j=dp->filters[i].color.ncolors=fgetc(fp);
        if(j<0 || j>64) j=64;
        fread(dp->filters[i].color.colors,1,j,fp);
        break;
      case 11:
        k=0;
        for(;;) {
          j=fgetc(fp);
          if(j<32) {
            if(j>0) ungetc(j,fp);
            break;
          }
          if(k<63) dp->filters[i].overlay.name[k++]=j;
        }
        break;
      case 12 ... 15:
        for(k=0;k<64;k++) {
          dp->filters[i].shift.shift[k]=(j=fgetc(fp))&127;
          dp->filters[i].shift.size[k]=fgetc(fp);
          if(j&128) break;
        }
        dp->filters[i].shift.nshift=k;
        break;
    }
  }
  fclose(fp);
}

static void save_dependent_picture(FILE*fp,DependentPicture*dp) {
  int i,j;
  fwrite(dp->basename,1,strlen(dp->basename)+(dp->filters[0].code<32?0:1),fp);
  for(i=0;i<dp->nfilters;i++) {
    fputc(dp->filters[i].code,fp);
    switch(dp->filters[i].code) {
      case 8 ... 10:
        fputc(dp->filters[i].color.ncolors,fp);
        fwrite(dp->filters[i].color.colors,1,dp->filters[i].color.ncolors,fp);
        break;
      case 11:
        fwrite(dp->filters[i].overlay.name,1,strlen(dp->filters[i].overlay.name)+(i<dp->nfilters-1&&dp->filters[i+1].code<32?0:1),fp);
        break;
      case 12 ... 15:
        if(!dp->filters[i].shift.nshift) fwrite("\x80",1,2,fp);
        for(j=0;j<dp->filters[i].shift.nshift;j++) {
          fputc(dp->filters[i].shift.shift[j]|(j==dp->filters[i].shift.nshift-1?128:0),fp);
          fputc(dp->filters[i].shift.size[j],fp);
        }
        break;
    }
  }
}

static void edit_dependent_picture(DependentPicture*dp,const char*name) {
  
}

static void edit_picture(sqlite3_int64 id) {
  sqlite3_stmt*st;
  Picture*pict[16]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
  DependentPicture*dpict;
  char*name;
  const unsigned char*data;
  Uint8*buf=0;
  size_t size=0;
  FILE*fp;
  int i,n;
  if(i=sqlite3_prepare_v2(userdb,"SELECT SUBSTR(`NAME`,1,LENGTH(`NAME`)-4),`DATA` FROM `PICEDIT` WHERE `ID`=?1;",-1,&st,0)) {
  if(i=sqlite3_prepare_v2(userdb,"SELECT SUBSTR(`NAME`,1,LENGTH(`NAME`)-4),`DATA`,`TYPE` FROM `PICEDIT` WHERE `ID`=?1;",-1,&st,0)) {
    screen_message(sqlite3_errmsg(userdb));
    return;
  }
  sqlite3_bind_int64(st,1,id);
  i=sqlite3_step(st);
  if(i!=SQLITE_ROW) {
    screen_message(i==SQLITE_DONE?"No such ID":sqlite3_errmsg(userdb));
    sqlite3_finalize(st);
    return;
  }
  data=sqlite3_column_blob(st,1);
  i=sqlite3_column_bytes(st,1);
  load_picture_lump(data,i,pict);
  n=sqlite3_column_bytes(st,1);
  i=sqlite3_column_int(st,2);
  name=strdup(sqlite3_column_text(st,0)?:(const unsigned char*)"???");
  if(!name) fatal("Allocation failed\n");
  if(i==1) {
    load_picture_lump(data,n,pict);
  sqlite3_finalize(st);
  if(!*pict) {
    i=picture_size;
    *pict=malloc(sizeof(Picture)+(i+1)*i);
    if(!*pict) fatal("Allocation failed");
    pict[0]->size=i;
    memset(pict[0]->data,0,(i+1)*i);
  }
  edit_picture_1(pict,name);
    sqlite3_finalize(st);
    if(!*pict) {
      i=picture_size;
      *pict=malloc(sizeof(Picture)+(i+1)*i);
      if(!*pict) fatal("Allocation failed\n");
      pict[0]->size=i;
      memset(pict[0]->data,0,(i+1)*i);
    }
    edit_picture_1(pict,name);
  free(name);
  fp=open_memstream((char**)&buf,&size);
  if(!fp) fatal("Cannot open memory stream\n");
  for(i=n=0;i<16;i++) if(pict[i]) n++;
  fputc(n,fp);
  for(i=0;i<n;i++) fputc(pict[i]->size,fp);
  for(i=0;i<n>>1;i++) fputc(0,fp);
  for(i=0;i<n;i++) compress_picture(fp,pict[i]);
  fclose(fp);
  if(!buf || !size) fatal("Allocation failed\n");
  *buf|=pict[0]->meth<<4;
  for(i=1;i<n;i++) buf[n+1+((i-1)>>1)]|=pict[i]->meth<<(i&1?0:4);
  for(i=0;i<16;i++) free(pict[i]);
    fp=open_memstream((char**)&buf,&size);
    if(!fp) fatal("Cannot open memory stream\n");
    for(i=n=0;i<16;i++) if(pict[i]) n++;
    fputc(n,fp);
    for(i=0;i<n;i++) fputc(pict[i]->size,fp);
    for(i=0;i<n>>1;i++) fputc(0,fp);
    for(i=0;i<n;i++) compress_picture(fp,pict[i]);
    fclose(fp);
    if(!buf || !size) fatal("Allocation failed\n");
    *buf|=pict[0]->meth<<4;
    for(i=1;i<n;i++) buf[n+1+((i-1)>>1)]|=pict[i]->meth<<(i&1?0:4);
    for(i=0;i<16;i++) free(pict[i]);
  } else if(i==2) {
    dpict=malloc(sizeof(DependentPicture));
    if(!dpict) fatal("Allocation failed\n");
    load_dependent_picture(data,n,dpict);
    fp=open_memstream((char**)&buf,&size);
    if(!fp) fatal("Cannot open memory stream\n");
    edit_dependent_picture(dpict,name);
    save_dependent_picture(fp,dpict);
    free(dpict);
    fclose(fp);
    if(!buf || !size) fatal("Allocation failed\n");
  }
  free(name);
  if(i=sqlite3_prepare_v2(userdb,"UPDATE `PICEDIT` SET `DATA`=?2 WHERE ID=?1;",-1,&st,0)) {
    screen_message(sqlite3_errmsg(userdb));
    free(buf);
    return;
  }
  sqlite3_bind_int64(st,1,id);
  sqlite3_bind_blob(st,2,buf,size,free);
  i=sqlite3_step(st);
  if(i!=SQLITE_DONE) screen_message(sqlite3_errmsg(userdb));
  sqlite3_finalize(st);
}

static void edit_dependent_picture(sqlite3_int64 rowid) {
  
}

static int add_picture(int t) {
  sqlite3_stmt*st;
  const char*s=screen_prompt("Enter name of new picture:");
  int i;
  if(!s || !*s) return 0;
  if(sqlite3_prepare_v2(userdb,"INSERT INTO `PICEDIT`(`NAME`,`TYPE`,`DATA`) SELECT VALID_NAME(?1)||CASE ?2 WHEN 1 THEN '.IMG' ELSE '.DEP' END,?2,X'';",-1,&st,0)) {
    screen_message(sqlite3_errmsg(userdb));
    return 0;
  }
  sqlite3_bind_text(st,1,s,-1,0);
  sqlite3_bind_int(st,2,t);
  i=sqlite3_step(st);
  sqlite3_finalize(st);
  if(i!=SQLITE_DONE) {
    screen_message(sqlite3_errmsg(userdb));
    return 0;
  }
  if(t==1) edit_picture(sqlite3_last_insert_rowid(userdb));
  edit_picture(sqlite3_last_insert_rowid(userdb));
  if(t==2) edit_dependent_picture(sqlite3_last_insert_rowid(userdb));
  return 1;
}

static int delete_picture(void) {
  sqlite3_stmt*st;
  const char*s=screen_prompt("Enter name of picture to delete:");
  int i;
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            else screen_message("Too many pictures");
            goto redraw;
          case SDLK_F2:
            max-=delete_picture();
            goto redraw;
          case SDLK_F3:
            *ids=ask_picture_id("Edit:");
            if(*ids) {
            if(*ids) edit_picture(*ids);
              if(cur_type==1) edit_picture(*ids);
              else if(cur_type==2) edit_dependent_picture(*ids);
            }
            goto redraw;
          case SDLK_F4:
            rename_picture();
            goto redraw;
          case SDLK_F5:
            if(max<65535) max+=add_picture(2);
            else screen_message("Too many pictures");