X-Git-Url: https://www.hackdaworld.org/gitweb/?p=my-code%2Fivac.git;a=blobdiff_plain;f=src%2Fdisplay.c;h=e42c30b38dd0a6e983f1a2d213fe3db334b2d6ef;hp=914ab63667cb166c812cf0633a52e4e36aef2332;hb=99e577ce594ed343397276ac6c2dd9729ac10d6d;hpb=51804c822aba850ad3d1589b4dc3dc2709d980f5

diff --git a/src/display.c b/src/display.c
index 914ab63..e42c30b 100644
--- a/src/display.c
+++ b/src/display.c
@@ -6,23 +6,145 @@
 
 #include "display.h"
 
+#define USE_NCURSES
+
 int display_init(t_display *display) {
 
-  puts("[display] initializing display ...");
+  struct winsize ws;
+
+  /* dimensions */
+  if(ioctl(1,TIOCGWINSZ,&ws)==-1) {
+    perror("[display] ioctl call");
+    return D_ERROR;
+  }
+  display->max_x=ws.ws_col;
+  display->max_y=ws.ws_row;
+
+  printf("[display] initializing display, width: %02d / height: %02d ...\n",
+         ws.ws_col,ws.ws_row);
 
-  /* init stuff next .. */
+  /* allocating 'screen' buffer */
+  if((display->screen=(unsigned char *)malloc(display->max_x*display->max_y))
+     ==NULL) {
+    perror("[display] malloc call");
+    return D_ERROR;
+  }
+  /* space as display pixel default */
+  memset(display->screen,0x20,display->max_x*display->max_y);
+
+#ifdef USE_NCURSES
+  initscr();
+  nonl();
+  noecho();
+  cbreak();
+  curs_set(0);
+#endif
 
   return D_SUCCESS;
 }
 
-int display_refresh(t_display *display) {
+int display_draw(t_display *display) {
+
+  int x,y;
+
+#ifdef USE_NCURSES
+  mvprintw(0,0,"%s",display->screen);
+  for(y=0;y<display->max_y;y++)
+    for(x=0;x<display->max_x;x++)
+      mvaddch(y,x,*(display->screen+y*display->max_x+x));
+  refresh();
+#else
+  for(y=0;y<display->max_y;y++) {
+    for(x=0;x<display->max_x;x++)
+      printf("%c",*(display->screen+y*display->max_x+x));
+    printf("\n");
+  }
+#endif
+
+  return D_SUCCESS;
+}
+
+int display_draw_until_line(t_display *display,int line) {
+  
+  int x,y;
+
+#ifdef USE_NCURSES
+  for(y=0;y<line;y++) {
+    for(x=0;x<display->max_x;x++)
+      mvaddch(y,x,*(display->screen+y*display->max_x+x));
+  refresh();
+  }
+#else
+  for(y=0;y<line;y++) {
+    for(x=0;x<display->max_x;x++) 
+      printf("%c",*(display->screen+y*display->max_x+x));
+    printf("\n");
+  }
+#endif
+
+  return D_SUCCESS;
+}
+
+int display_set_cursor(t_display *display,int x,int y) {
+
+#ifdef USE_NCURSES
+  move(y,x);
+  refresh();
+#endif
+
+  return D_SUCCESS;
+}
+
+int display_clear_screen(t_display *display) {
+ 
+  memset(display->screen,0x20,display->max_x*display->max_y);
 
   return D_SUCCESS;
 }
 
 int display_shutdown(t_display *display) {
 
+#ifdef USE_NCURSES
+  endwin();
+#endif
+
+  free(display->screen);
+
   puts("[display] shutdown");
 
   return D_SUCCESS;
 }
+
+int display_line(t_display *display,int X,int Y,int X_,int Y_,char sym) {
+
+  double m;
+  int x,y;
+
+  m=(Y_-Y)/(X_-X);
+
+  for(y=0;y<display->max_y;y++)
+    for(x=0;x<display->max_x;x++)
+      if((int)((x-X)*m+Y)==y) *(display->screen+y*display->max_x+x)=sym;
+
+  return D_SUCCESS;
+}
+
+int display_string(t_display *display,int x,int y,char *string,int len) {
+
+  if(len>display->max_x-x) return D_INV_STRING_LEN;
+
+  memcpy(display->screen+y*display->max_x+x,string,len);
+
+  return D_SUCCESS;
+}
+
+int display_string_vert(t_display *display,int x,int y,char *string,int len) {
+
+  int i;
+
+  if(len>display->max_y-y) return D_INV_STRING_LEN;
+  for(i=y*display->max_x+x;i<(y+len)*display->max_x+x;i+=display->max_x)
+    *(display->screen+i)=*(string++);
+
+  return D_SUCCESS;
+}