Free Hero Mesh

#include <stdlib.h>
#include <string.h>
#include "sqlite3.h"
#include "smallxrm.h"
#include "heromesh.h"
#include "quarks.h"
#include "cursorshapes.h"
#include "names.h"

static volatile Uint8 timerflag;
static int exam_scroll;

static void redraw_game(void) {
  char buf[32];
  SDL_Rect r;
  int x,y;
  r.x=r.y=0;
  r.h=screen->h;

  if(t) {
    gameover=-1;
    screen_message(t);
  } else {
    gameover=0;
  }
}

static inline void exam_value(const char*t,int y,Value v) {
  char buf[256];
  int i;
  y=(y-exam_scroll)*8;
  if(y<0 || y>screen->h-8) return;
  draw_text(0,y,t,0xF0,0xF7);
  switch(v.t) {
    case TY_NUMBER:
      snprintf(buf,255,"%12lu  0x%08lX  %ld",(long)v.u,(long)v.u,(long)v.s);
      draw_text(200,y,buf,0xF0,0xFE);
      break;
    case TY_CLASS:
      draw_text(200,y,"$",0xF0,0xFB);
      draw_text(208,y,classes[v.u]->name,0xF0,0xFB);
      break;
    case TY_MESSAGE:
      snprintf(buf,255,"%s%s",v.u<256?"":"#",v.u<256?standard_message_names[v.u]:messages[v.u-256]);
      draw_text(200,y,buf,0xF0,0xFD);
      break;
    case TY_LEVELSTRING:
      
      break;
    case TY_STRING:
      
      break;
    case TY_SOUND: case TY_USOUND:
      draw_text(200,y,"<Sound>",0xF0,0xF6);
      break;
    default:
      snprintf(buf,80,"<%lu:%lu>",(long)v.u,(long)v.t);
      draw_text(200,y,buf,0xF0,0xFA);
      i=strlen(buf)*8+208;
      if(v.u<nobjects && objects[v.u]) {
        snprintf(buf,80,"@ (%d,%d)",objects[v.u]->x,objects[v.u]->y);
        draw_text(i,y,buf,0xF0,0xF2);
      } else {
        draw_text(i,y,"(dead)",0xF0,0xF4);
      }
      break;
  }
}

static inline void exam_flags(int y,Uint16 v) {
  y=(y-exam_scroll)*8;
  if(y<0 || y>screen->h-8) return;
  draw_text(0,y,"Flags:",0xF0,0xF7);
  draw_text(200,y,"--- --- --- --- --- --- --- --- --- --- ---",0xF0,0xF8);
  if(v&OF_INVISIBLE) draw_text(200,y,"Inv",0xF0,0xFF);
  if(v&OF_VISUALONLY) draw_text(232,y,"Vis",0xF0,0xFF);
  if(v&OF_STEALTHY) draw_text(264,y,"Stl",0xF0,0xFF);
  if(v&OF_BUSY) draw_text(296,y,"Bus",0xF0,0xFF);
  if(v&OF_USERSTATE) draw_text(328,y,"Ust",0xF0,0xFF);
  if(v&OF_USERSIGNAL) draw_text(360,y,"Usg",0xF0,0xFF);
  if(v&OF_MOVED) draw_text(392,y,"Mov",0xF0,0xFF);
  if(v&OF_DONE) draw_text(424,y,"Don",0xF0,0xFF);
  if(v&OF_KEYCLEARED) draw_text(456,y,"Key",0xF0,0xFF);
  if(v&OF_DESTROYED) draw_text(488,y,"Des",0xF0,0xFF);
  if(v&OF_BIZARRO) draw_text(520,y,"Biz",0xF0,0xFF);
}

static inline void exam_hardsharp(const char*t,int y,Uint16*v) {
  int i;
  char buf[16];
  y=(y-exam_scroll)*8;
  if(y<0 || y>screen->h-8) return;
  draw_text(0,y,t,0xF0,0xF7);
  for(i=0;i<4;i++) {
    snprintf(buf,8,"%5u",v[i]);
    draw_text(200+i*56,y,buf,0xF0,v[i]?0xFF:0xF8);
  }
}

static void draw_back_line(int y,int c) {
  unsigned char*p=screen->pixels;
  int i;
  p+=screen->pitch*y;
  for(i=0;i<screen->w;i++) if(p[i]==0xF0 || p[i]==0xF1) p[i]=i&1?c:0xF0;
}

static void examine(Uint32 n) {
  sqlite3_stmt*st;
  SDL_Event ev;
  SDL_Rect r;
  Object*o;
  int i,y;
  y=0;
  i=sqlite3_prepare_v2(userdb,"SELECT '%'||`NAME`,`ID`&0xFFFF FROM `VARIABLES` WHERE `ID` BETWEEN ?1 AND (?1|0xFFFF) ORDER BY `ID`",-1,&st,0);
  if(i) fatal("SQL error (%d): %s",i,sqlite3_errmsg(userdb));
  object:
  if(n==VOIDLINK) return;
  o=objects[n];
  if(!o) return;
  sqlite3_bind_int(st,1,o->class<<16);
  exam_scroll=0;
  redraw:
  set_cursor(XC_arrow);
  r.x=r.y=0;
  r.w=screen->w;
  r.h=screen->h;
  SDL_FillRect(screen,&r,0xF0);
  SDL_LockSurface(screen);
  exam_value("Self:",0,OVALUE(n));
  exam_value("Class:",1,CVALUE(o->class));
  exam_value("Image:",2,NVALUE(o->image));
  exam_value("Dir:",3,NVALUE(o->dir));
  exam_value("Misc1:",4,o->misc1);
  exam_value("Misc2:",5,o->misc2);
  exam_value("Misc3:",6,o->misc3);
  exam_value("Misc4:",7,o->misc4);
  exam_value("Misc5:",8,o->misc5);
  exam_value("Misc6:",9,o->misc6);
  exam_value("Misc7:",10,o->misc7);
  exam_value("Temperature:",11,NVALUE(o->temperature));
  exam_flags(12,o->oflags);
  exam_value("Density:",13,NVALUE(o->density));
  exam_value("Volume:",14,NVALUE(o->volume));
  exam_value("Strength:",15,NVALUE(o->strength));
  exam_value("Weight:",16,NVALUE(o->weight));
  exam_value("Climb:",17,NVALUE(o->climb));
  exam_value("Height:",18,NVALUE(o->height));
  exam_value("Arrivals:",19,NVALUE(o->arrivals));
  exam_value("Departures:",20,NVALUE(o->departures));
  exam_value("Shape:",21,NVALUE(o->shape));
  exam_value("Shovable:",22,NVALUE(o->shovable));
  exam_value("Distance:",23,NVALUE(o->distance));
  exam_value("Inertia:",24,NVALUE(o->inertia));
  exam_hardsharp("Hardness:",25,o->hard);
  exam_hardsharp("Sharpness:",26,o->sharp);
  while(sqlite3_step(st)==SQLITE_ROW) {
    i=sqlite3_column_int(st,1);
    exam_value(sqlite3_column_text(st,0),i+28,o->uservars[i]);
  }
  sqlite3_reset(st);
  SDL_UnlockSurface(screen);
  SDL_Flip(screen);
  while(SDL_WaitEvent(&ev)) switch(ev.type) {
    case SDL_KEYDOWN:
      switch(ev.key.keysym.sym) {
        case SDLK_ESCAPE: case SDLK_RETURN: case SDLK_KP_ENTER: sqlite3_finalize(st); return;
        case SDLK_UP: if(exam_scroll) exam_scroll--; break;
        case SDLK_DOWN: exam_scroll++; break;
        case SDLK_HOME: exam_scroll=0; break;
        case SDLK_PAGEUP: exam_scroll-=screen->h/8; if(exam_scroll<0) exam_scroll=0; break;
        case SDLK_PAGEDOWN: exam_scroll+=screen->h/8; break;
      }
      goto redraw;
    case SDL_MOUSEMOTION:
      if(ev.motion.y!=y && ev.motion.y<screen->h) {
        SDL_LockSurface(screen);
        draw_back_line(y,0xF0);
        draw_back_line(y=ev.motion.y,0xF1);
        SDL_UnlockSurface(screen);
        SDL_Flip(screen);
      }
      break;
    case SDL_VIDEOEXPOSE:
      goto redraw;
    case SDL_QUIT:
      exit(0);
      break;
  }
}

static void list_objects_at(int xy) {
  static const char*const dirs[8]={"E ","NE","N ","NW","W ","SW","S ","SE"};
  SDL_Event ev;
  SDL_Rect r;
  char buf[256];
  int scroll=0;

    draw_text(24,r.y,buf,0xF1,o->generation?0xFF:0xF8);
    n=o->down;
    r.y+=8;
  }
  SDL_UnlockSurface(screen);
  SDL_Flip(screen);
  while(SDL_WaitEvent(&ev)) {
    if(ev.type!=SDL_VIDEOEXPOSE) {
      r.h=screen->h-8;
      r.x=0;
      r.y=8;
      if(scrollbar(&scroll,r.h/8,count,&ev,&r)) goto redraw;
    }
    switch(ev.type) {
      case SDL_MOUSEBUTTONDOWN:
        if(ev.button.button!=1 || ev.button.y<8) break;
        j=ev.button.y/8-scroll-1;
        if(j>=count) break;
        n=t;
        for(i=0;i<j;i++) n=objects[n]->down;
        examine(n);
        set_cursor(XC_draft_small);
        goto redraw;
      case SDL_MOUSEMOTION:
        set_cursor(XC_draft_small);
        break;
      case SDL_KEYDOWN:
        switch(ev.key.keysym.sym) {
          case SDLK_ESCAPE: case SDLK_RETURN: case SDLK_KP_ENTER: return;
        }
        goto redraw;
      case SDL_VIDEOEXPOSE:
        goto redraw;
      case SDL_QUIT:
        exit(0);
        break;

#define ANI_OSC 0x08

typedef struct {
  //TODO
} Animation;

typedef struct {
  Sint32 height,weight,climb,density,volume,strength,arrivals,departures,temperature,inertia;
  Uint32 arrived,departed,arrived2,departed2,generation;
  Uint32 up,down,prev,next; // links to other objects
  Uint16 class,oflags,distance;
  Uint16 sharp[4];
  Uint16 hard[4];
  Uint8 x,y,shape,shovable,image,dir;
  Animation*anim;