display.c

   1 /*
   2  * display.c - visualization api
   3  *
   4  */
   5
   6 #include <stdio.h>
   7 #include <stdlib.h>
   8
   9 #include "defines.h"
  10
  11 int display_init(u32 x,u32 y,u32 z,display *display,cell *cell,int *argc,char **argv)
  12 {
  13 #ifdef USE_DFB_API
  14  DFBSurfaceDescription surface_dsc;
  15 #endif
  16
  17  /* store dimensions */
  18  display->max_x=x;
  19  display->max_y=y;
  20  display->max_z=z;
  21  /* store pointer to cells */
  22  display->cell_p=cell;
  23
  24  /* the api(s) */
  25 #ifdef USE_DFB_API
  26  DirectFBInit(argc,&argv);
  27  DirectFBCreate(&(display->dfb));
  28  display->dfb->SetCooperativeLevel(display->dfb,DFSCL_FULLSCREEN);
  29  surface_dsc.flags=DSDESC_CAPS;
  30  surface_dsc.caps=DSCAPS_PRIMARY|DSCAPS_FLIPPING;
  31  display->dfb->CreateSurface(display->dfb,&surface_dsc,&(display->primary_surface));
  32  display->primary_surface->GetSize(display->primary_surface,&(display->screen_width),&(display->screen_height));
  33
  34 #endif
  35  return 23;
  36 }
  37
  38 int display_release(display *display)
  39 {
  40 #ifdef USE_DFB_API
  41  display->font->Release(display->font);
  42  display->primary_surface->Release(display->primary_surface);
  43  display->dfb->Release(display->dfb);
  44 #endif
  45
  46  return 23;
  47 }
  48
  49 #ifdef USE_DFB_API
  50 int dfb_choose_color(cell *cell_p,unsigned char *r,unsigned char *g,unsigned char *b)
  51 {
  52  if(cell_p->status&AMORPH)
  53  {
  54   *r=0xff;
  55   *g=0x00;
  56   *b=0x00;
  57  } else
  58  {
  59   *r=0x00;
  60   *g=0x00;
  61   *b=0xff;
  62  }
  63  return 23;
  64 }
  65 #endif
  66
  67 int display_draw(display *display,u32 x,u32 y,u32 z)
  68 {
  69 #ifdef USE_DFB_API
  70  int menu_x,menu_y,menu_w,menu_h; /* for the yellow box */
  71  DFBFontDescription font_dsc;
  72  char text[MAX_TXT];
  73  u32 x_c,y_c,z_c;
  74  unsigned char r,g,b,a;
  75  int display_faktor_x,display_faktor_y;
  76  a=0xff; /* no alpha blending */
  77  if(((display->max_x+display->max_y+DISPLAY_X_FREE)>=display->screen_width)|
  78     ((display->max_y+display->max_z+DISPLAY_Y_FREE)>=display->screen_height))
  79  {
  80   puts("resolution too low!");
  81   return -23;
  82  }
  83  display_faktor_x=display->screen_width/(display->max_x+display->max_y+DISPLAY_X_FREE);
  84  display_faktor_y=display->screen_height/(display->max_z+display->max_y+DISPLAY_Y_FREE);
  85  // if(display_faktor_x<display_faktor_y) display_faktor_y=display_faktor_x;
  86  // if(display_faktor_y<display_faktor_x) display_faktor_x=display_faktor_y;
  87
  88  /* draw x-z surface */
  89  y_c=y;
  90  for(x_c=0;x_c<display->max_x;x_c++)
  91  {
  92   for(z_c=0;z_c<display->max_z;z_c++)
  93   {
  94    dfb_choose_color(display->cell_p+x_c+y_c*display->max_x+z_c*display->max_x*display->max_y,&r,&g,&b);
  95    if(x_c==x && z_c==z)
  96     display->primary_surface->SetColor(display->primary_surface,0xff,0xff,0,0);
  97    else
  98     display->primary_surface->SetColor(display->primary_surface,r,g,b,a);
  99    display->primary_surface->DrawRectangle(display->primary_surface,x_c*display_faktor_x+DISPLAY_X_FREE/3,z_c*display_faktor_y+DISPLAY_Y_FREE/3,display_faktor_x,display_faktor_y);
 100   }
 101  }
 102  /* draw y-z surface */
 103  x_c=x;
 104  for(y_c=0;y_c<display->max_y;y_c++)
 105  {
 106   for(z_c=0;z_c<display->max_z;z_c++)
 107   {
 108    dfb_choose_color(display->cell_p+x_c+y_c*display->max_x+z_c*display->max_x*display->max_y,&r,&g,&b);
 109    if(y_c==y && z_c==z)
 110     display->primary_surface->SetColor(display->primary_surface,0xff,0xff,0,0);
 111    else
 112     display->primary_surface->SetColor(display->primary_surface,r,g,b,a);
 113    display->primary_surface->DrawRectangle(display->primary_surface,(y_c+display->max_x)*display_faktor_x+2*DISPLAY_X_FREE/3,z_c*display_faktor_y+DISPLAY_Y_FREE/3,display_faktor_x,display_faktor_y);
 114   }
 115  }
 116  /* draw x-y surface */
 117  z_c=z;
 118  for(x_c=0;x_c<display->max_x;x_c++)
 119  {
 120   for(y_c=0;y_c<display->max_y;y_c++)
 121   {
 122    dfb_choose_color(display->cell_p+x_c+y_c*display->max_x+z_c*display->max_x*display->max_y,&r,&g,&b);
 123    if(x_c==x && y_c==y)
 124     display->primary_surface->SetColor(display->primary_surface,0xff,0xff,0,0);
 125    else
 126     display->primary_surface->SetColor(display->primary_surface,r,g,b,a);
 127    display->primary_surface->DrawRectangle(display->primary_surface,x_c*display_faktor_x+DISPLAY_X_FREE/3,(y_c+display->max_z)*display_faktor_y+2*DISPLAY_Y_FREE/3,display_faktor_x,display_faktor_y);
 128   }
 129  }
 130  /* display info window */
 131  r=0xff;
 132  g=0xff;
 133  b=0x00;
 134  a=0xff;
 135  menu_x=2*DISPLAY_X_FREE/3+display->max_x*display_faktor_x;
 136  menu_y=2*DISPLAY_Y_FREE/3+display->max_z*display_faktor_y;
 137  menu_w=display->max_y*display_faktor_x;
 138  menu_h=display->max_y*display_faktor_y;
 139  display->primary_surface->SetColor(display->primary_surface,0,0,0,0);
 140  display->primary_surface->FillRectangle(display->primary_surface,menu_x,menu_y,menu_w,menu_h);
 141  display->primary_surface->SetColor(display->primary_surface,r,g,b,a);
 142  display->primary_surface->DrawRectangle(display->primary_surface,menu_x,menu_y,menu_w,menu_h);
 143  display->primary_surface->DrawLine(display->primary_surface,menu_x+display_faktor_x*display->max_x/2,menu_y+display_faktor_y,menu_x+display_faktor_x*display->max_x/2,menu_y+display_faktor_y*display->max_y-display_faktor_y);
 144  font_dsc.flags=DFDESC_HEIGHT;
 145  font_dsc.height=menu_h/10;
 146  display->dfb->CreateFont(display->dfb,DISPLAY_FONT,&font_dsc,&(display->font));
 147  display->primary_surface->SetFont(display->primary_surface,display->font);
 148  display->primary_surface->SetColor(display->primary_surface,0x80,0x80,0xff,0xff);
 149  sprintf(text,"x: %u",x);
 150  display->primary_surface->DrawString(display->primary_surface,text,-1,menu_x+display_faktor_x,menu_y+display_faktor_y+menu_h/10,DSTF_LEFT);
 151  sprintf(text,"y: %u",y);
 152  display->primary_surface->DrawString(display->primary_surface,text,-1,menu_x+display_faktor_x,menu_y+display_faktor_y*2+menu_h/10*2,DSTF_LEFT);
 153  sprintf(text,"z: %u",z);
 154  display->primary_surface->DrawString(display->primary_surface,text,-1,menu_x+display_faktor_x,menu_y+display_faktor_y*3+menu_h/10*3,DSTF_LEFT);
 155  sprintf(text,"status: %c",((display->cell_p+x+y*display->max_x+z*display->max_x*display->max_y))->status&AMORPH?'a':'c');
 156  display->primary_surface->DrawString(display->primary_surface,text,-1,menu_x+display_faktor_x,menu_y+display_faktor_y*5+menu_h/10*5,DSTF_LEFT);
 157  sprintf(text,"c conc.: %u",(display->cell_p+x+y*display->max_x+z*display->max_x*display->max_y)->conc);
 158  display->primary_surface->DrawString(display->primary_surface,text,-1,menu_x+display_faktor_x,menu_y+display_faktor_y*6+menu_h/10*6,DSTF_LEFT);
 159  sprintf(text,"step: %d",display->step);
 160  display->primary_surface->DrawString(display->primary_surface,text,-1,menu_x+display_faktor_x*display->max_x/2+display_faktor_x,menu_y+display_faktor_y+menu_h/10,DSTF_LEFT);
 161  /* flip all to surface */
 162  display->primary_surface->Flip(display->primary_surface,NULL,0);
 163 #endif
 164  return 23;
 165 }
 166
 167 int display_event_init(display *display)
 168 {
 169 #ifdef USE_DFB_API
 170  display->dfb->GetInputDevice(display->dfb,DIDID_KEYBOARD,&(display->keyboard));
 171  display->keyboard->CreateEventBuffer(display->keyboard,&(display->keyboard_buffer));
 172 #endif
 173  return 23;
 174 }
 175
 176 int display_scan_event(display *display,u32 *x,u32 *y,u32 *z,int *quit)
 177 {
 178  DFBInputEvent keyboard_event;
 179  display->keyboard_buffer->WaitForEvent(display->keyboard_buffer);
 180  display->keyboard_buffer->GetEvent(display->keyboard_buffer,DFB_EVENT(&keyboard_event));
 181  if(keyboard_event.type==DIET_KEYPRESS)
 182  {
 183   if(keyboard_event.key_id==DIKI_LEFT && *x!=0) *x-=1;
 184   if(keyboard_event.key_id==DIKI_RIGHT && *x!=display->max_x-1) *x+=1;
 185   if(keyboard_event.key_id==DIKI_DOWN && *y!=0) *y-=1;
 186   if(keyboard_event.key_id==DIKI_UP && *y!=display->max_y-1) *y+=1;
 187   if(keyboard_event.key_id==DIKI_PAGE_UP && *z!=0) *z-=1;
 188   if(keyboard_event.key_id==DIKI_PAGE_DOWN && *z!=display->max_z-1) *z+=1;
 189   if(keyboard_event.key_id==DIKI_Q) *quit=1;
 190  }
 191  return 23;
 192 }