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