Dankamongmen/no prisoners damage (#198)

* notcurses: set up lastframe #189
* render: o(1) take no prisoners damage detection
* EAAAAAAAAAAGLES
* slight background on intro
* 0.9.2

CMakeLists.txt

@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.13)
-project(notcurses VERSION 0.9.1
+project(notcurses VERSION 0.9.2
   DESCRIPTION "UI for modern terminal emulators"
   HOMEPAGE_URL "https://nick-black.com/dankwiki/index.php/notcurses"
   LANGUAGES C CXX)

debian/changelog

@@ -1,3 +1,10 @@
+notcurses (0.9.2) unstable; urgency=medium
+
+  * New upstream
+  * Install man1 pages to the correct location
+
+ -- Nick Black <dankamongmen@gmail.com>  Sun, 22 Dec 2019 09:25:31 -0500
+
 notcurses (0.9.1-1) unstable; urgency=medium
 
   * Install binaries' man pages in notcurses-bin

src/demo/demo.c

@@ -78,7 +78,9 @@ intro(struct notcurses* nc){
   if((ncp = notcurses_stdplane(nc)) == NULL){
     return -1;
   }
-  ncplane_erase(ncp);
+  cell c = CELL_TRIVIAL_INITIALIZER;
+  cell_set_bg_rgb(&c, 0x20, 0x20, 0x20);
+  ncplane_set_default(ncp, &c);
   if(ncplane_cursor_move_yx(ncp, 0, 0)){
     return -1;
   }
@@ -102,8 +104,6 @@ intro(struct notcurses* nc){
   cell_release(ncp, &ul); cell_release(ncp, &ur);
   cell_release(ncp, &ll); cell_release(ncp, &lr);
   cell_release(ncp, &hl); cell_release(ncp, &vl);
-  cell c;
-  cell_init(&c);
   const char* cstr = "Δ";
   cell_load(ncp, &c, cstr);
   cell_set_fg_rgb(&c, 200, 0, 200);
@@ -162,6 +162,7 @@ typedef struct demoresult {
   char selector;
   struct ncstats stats;
   uint64_t timens;
+  bool failed;
 } demoresult;
 
 static demoresult*
@@ -196,6 +197,7 @@ ext_demos(struct notcurses* nc, const char* demos){
         break;
     }
     if(ret){
+      results[i].failed = true;
       break;
     }
     notcurses_stats(nc, &results[i].stats);
@@ -304,14 +306,15 @@ int main(int argc, char** argv){
     char totalbuf[BPREFIXSTRLEN + 1];
     bprefix(results[i].stats.render_bytes, 1, totalbuf, 0);
     double avg = results[i].stats.render_ns / (double)results[i].stats.renders;
-    printf("%2zu|%c|%2lu.%03lus|%4luf|%*sB|%8juµs|%6.1f FPS|\n", i,
+    printf("%2zu|%c|%2lu.%03lus|%4luf|%*sB|%8juµs|%6.1f FPS|%s\n", i,
            results[i].selector,
            results[i].timens / GIG,
            (results[i].timens % GIG) / 1000000,
            results[i].stats.renders,
            BPREFIXSTRLEN, totalbuf,
            results[i].stats.render_ns / 1000,
-           GIG / avg);
+           GIG / avg,
+           results[i].failed ? "***FAILED" : "");
     // FIXME
   }
   free(results);

src/demo/eagle.c

@@ -1,6 +1,29 @@
 #include <libavutil/frame.h>
 #include "demo.h"
 
+// 0: transparent
+// 1: white
+// 2: grey
+// 3: black
+const char eagle1[] =
+"0000003333333000"
+"0000331113112300"
+"0003111111113130"
+"0031111113133330"
+"3311311111333030"
+"2131111111313000"
+"3331111111311300"
+"0311111111331330"
+"0311311111131130"
+"0323111111133130"
+"0323111111133113"
+"0033213111113313"
+"0003213211111333"
+"0000332321321233"
+"0000003312332223"
+"0000000033003330"
+;
+
 // display the level map scaled to fit entirely within the visual area
 static struct ncvisual*
 outzoomed_map(struct notcurses* nc, const char* map){
@@ -18,11 +41,10 @@ outzoomed_map(struct notcurses* nc, const char* map){
   if(notcurses_render(nc)){
     return NULL;
   }
-  nanosleep(&demodelay, NULL);
   return ncv;
 }
 
-static int
+static struct ncplane*
 zoom_map(struct notcurses* nc, const char* map){
   int averr;
   // determine size that will be represented on screen at once, and how
@@ -32,12 +54,12 @@ zoom_map(struct notcurses* nc, const char* map){
   // scrolling through the map, whooooooooosh.
   struct ncvisual* ncv = ncvisual_open_plane(nc, map, &averr, 0, 0, NCSCALE_NONE);
   if(ncv == NULL){
-    return -1;
+    return NULL;
   }
   struct AVFrame* frame;
   if((frame = ncvisual_decode(ncv, &averr)) == NULL){
     ncvisual_destroy(ncv);
-    return -1;
+    return NULL;
   }
   ncvisual_destroy(ncv);
   // we start at the lower left corner of the outzoomed map
@@ -49,31 +71,120 @@ zoom_map(struct notcurses* nc, const char* map){
   int vy = vheight / 2;
   int zoomy = truey;
   int zoomx = truex;
+  struct ncplane* zncp = NULL;
   while(zoomy < vy && zoomx < vx){
+    ncplane_destroy(zncp);
     zoomy += 2;
     zoomx += 2;
-    struct ncplane* zncp = notcurses_newplane(nc, zoomy, zoomx, 0, 0, NULL);
+    zncp = notcurses_newplane(nc, zoomy, zoomx, 0, 0, NULL);
     struct ncvisual* zncv = ncplane_visual_open(zncp, map, &averr);
     if(zncv == NULL){
       ncvisual_destroy(ncv);
-      return -1;
+      ncplane_destroy(zncp);
+      return NULL;
     }
     if(ncvisual_decode(zncv, &averr) == NULL){
       ncvisual_destroy(zncv);
-      return -1;
+      ncplane_destroy(zncp);
+      return NULL;
     }
     if(ncvisual_render(zncv, (zoomy - truey) * 2, 0, 0, ((float)truex / zoomx) * zoomx)){
       ncvisual_destroy(zncv);
-      return -1;
+      ncplane_destroy(zncp);
+      return NULL;
     }
     if(notcurses_render(nc)){
       ncvisual_destroy(zncv);
-      return -1;
+      ncplane_destroy(zncp);
+      return NULL;
     }
     ncvisual_destroy(zncv);
-    ncplane_destroy(zncp);
   }
-  nanosleep(&demodelay, NULL);
+  return zncp;
+}
+
+static int
+draw_eagle(struct ncplane* n, const char* sprite){
+  cell bgc = CELL_TRIVIAL_INITIALIZER;
+  cell_set_bg_alpha(&bgc, CELL_ALPHA_TRANSPARENT);
+  ncplane_set_default(n, &bgc);
+  cell_release(n, &bgc);
+  size_t s;
+  int sbytes;
+  uint64_t channels = 0;
+  // optimization so we can elide more color changes, see README's "#perf"
+  channels_set_bg_rgb(&channels, 0x00, 0x00, 0x00);
+  ncplane_cursor_move_yx(n, 0, 0);
+  for(s = 0 ; sprite[s] ; ++s){
+    switch(sprite[s]){
+      case '0':
+        ncplane_cursor_move_yx(n, (s + 1) / 16, (s + 1) % 16);
+        break;
+      case '1':
+        channels_set_fg_rgb(&channels, 0xff, 0xff, 0xff);
+        break;
+      case '2':
+        channels_set_fg_rgb(&channels, 0xe3, 0x9d, 0x25);
+        break;
+      case '3':
+        channels_set_fg_rgb(&channels, 0x3a, 0x84, 0x00);
+        break;
+    }
+    if(sprite[s] != '0'){
+      if(ncplane_putegc(n, "\u2588", 0, channels, &sbytes) != 1){
+        return -1;
+      }
+    }
+  }
+  return 0;
+}
+
+static int
+eagles(struct notcurses* nc){
+  int truex, truey; // dimensions of true display
+  notcurses_term_dim_yx(nc, &truey, &truex);
+  struct timespec flapiter;
+  timespec_div(&demodelay, truex / 2, &flapiter);
+  const int height = 16;
+  const int width = 16;
+  struct eagle {
+    int yoff, xoff;
+    struct ncplane* n;
+  } e[3];
+  for(size_t i = 0 ; i < sizeof(e) / sizeof(*e) ; ++i){
+    e[i].xoff = 0;
+    e[i].yoff = random() % ((truey - height) / 2);
+    e[i].n = notcurses_newplane(nc, height, width, e[i].yoff, e[i].xoff, NULL);
+    if(e[i].n == NULL){
+      return -1;
+    }
+    if(draw_eagle(e[i].n, eagle1)){
+      return -1;
+    }
+  }
+  int eaglesmoved;
+  do{
+    eaglesmoved = 0;
+    notcurses_render(nc);
+    for(size_t i = 0 ; i < sizeof(e) / sizeof(*e) ; ++i){
+      if(e[i].xoff >= truex){
+        continue;
+      }
+      e[i].yoff += random() % (3 + i) - 1;
+      if(e[i].yoff < 0){
+        e[i].yoff = 0;
+      }else if(e[i].yoff + height >= truey){
+        e[i].yoff = truey - height - 1;
+      }
+      e[i].xoff += random() % 2 + 1;
+      ncplane_move_yx(e[i].n, e[i].yoff, e[i].xoff);
+      ++eaglesmoved;
+    }
+    nanosleep(&flapiter, NULL);
+  }while(eaglesmoved);
+  for(size_t i = 0 ; i < sizeof(e) / sizeof(*e) ; ++i){
+    ncplane_destroy(e[i].n);
+  }
   return 0;
 }
 
@@ -86,10 +197,16 @@ int eagle_demo(struct notcurses* nc){
     return -1;
   }
   ncvisual_destroy(zo);
-  if(zoom_map(nc, map)){
+  struct ncplane* zncp = zoom_map(nc, map);
+  if(zncp == NULL){
     free(map);
     return -1;
   }
+  if(eagles(nc)){
+    ncplane_destroy(zncp);
+    return -1;
+  }
+  ncplane_destroy(zncp);
   free(map);
   return 0;
 }