Pathing enemies is now working, next is combat.

main.go

@@ -20,7 +20,7 @@ const (
   PATH_LIMIT = 1000
   RENDER = true
   SHOW_RENDER = false
-  SHOW_PATHS = true
+  SHOW_PATHS = false
   HEARING_DISTANCE = 6
 )
 
@@ -63,20 +63,32 @@ func (game *Game) DrawEntity(symbol rune, pos Position, color tcell.Color) {
 }
 
 func (game *Game) DrawMap() {
+  gray := tcell.StyleDefault.Foreground(tcell.ColorGray)
+
   for y, line := range game.level {
     for x, cell := range line {
+      if cell == SPACE {
+        game.screen.SetContent(x, y, cell, nil, gray)
+      } else {
         game.screen.SetContent(x, y, cell, nil, tcell.StyleDefault)
       }
     }
+  }
 }
 
 func (game *Game) DrawPaths() {
   for y, row := range game.paths {
     for x, path_num := range row {
-      if path_num <= 16 {
+      if path_num == PATH_LIMIT { continue }
-        as_str := fmt.Sprintf("%x", path_num)
+
-        game.screen.SetContent(x, y, rune(as_str[0]), nil, tcell.StyleDefault)
+      as_str := fmt.Sprintf("%x", path_num % 16)
+      style := tcell.StyleDefault.Foreground(tcell.ColorGray)
+
+      if path_num >= 0 && path_num <= 16 {
+        style = style.Reverse(true)
       }
+
+      game.screen.SetContent(x, y, rune(as_str[0]), nil, style)
     }
   }
 }
@@ -344,7 +356,8 @@ func (game *Game) PathAddNeighbors(neighbors []Position, closed Map, near Positi
   points := compass(near.x, near.y, 1)
 
   for _, pos := range points {
-    if !game.Occupied(pos.x, pos.y) && closed[pos.y][pos.x] == SPACE {
+    // NOTE: if you also add !game.Occupied(pos.x, pos.y) it ????
+    if closed[pos.y][pos.x] == SPACE {
       closed[pos.y][pos.x] = WALL
       neighbors = append(neighbors, pos)
     }
@@ -396,26 +409,28 @@ func (game *Game) PathEnemies() {
   for _, pos := range open_pixels {
     game.paths[pos.y][pos.x] = counter
   }
-
-  dbg.Println("pathing is", game.paths)
 }
 
 func (game *Game) EnemyMovement() {
+  for enemy_at, _ := range game.enemies {
+    // get the four directions
+    dirs := compass(enemy_at.x, enemy_at.y, 1)
 
-  for pos, _ := range game.enemies {
+    // sort by closest path number
-    p_enemy := game.paths[pos.y][pos.x]
+    slices.SortFunc(dirs, func(a Position, b Position) int {
+      return game.paths[a.y][a.x] - game.paths[b.y][b.x]
+    })
 
-    for _, path_at := range compass(pos.x, pos.y, 1) {
+    // 0 dir is now the best direction
-      p_num := game.paths[path_at.y][path_at.x]
+    move_to := dirs[0]
 
-      can_hear := p_num < HEARING_DISTANCE
+    // can we hear the player? occupied?
-      is_open := !game.Occupied(path_at.x, path_at.y)
+    can_hear := game.paths[move_to.y][move_to.x] < HEARING_DISTANCE
-      lower := p_num < p_enemy
+    occupied := game.Occupied(move_to.x, move_to.y)
 
-      if can_hear && is_open && lower {
+    if can_hear && !occupied {
-        game.MoveEnemy(pos, path_at)
+      // move the enemy in the best direction
-        break
+      game.MoveEnemy(enemy_at, move_to)
-      }
     }
   }
 }