moved shade into a seperate file

src/shade.cc

@@ -0,0 +1,34 @@
+#include "shade.h"
+
+#include <algorithm>
+#include <math.h>
+
+shade::shade(const position_list &available_positions):
+        character{race::rshade} {
+        pos = available_positions[rng.rand_under(available_positions.size())];
+        gold = 0;
+        hostile = true;
+}
+
+result shade::attack(const direction dir, character_list &chlist) {
+        position tmp{pos + MOVE[dir]};
+
+        for (auto &ch : chlist)
+                if (tmp == ch.get_position()) {
+                        return ch.get_hit(race, ATK, base_hit_rate);
+                }
+
+        return result::fine;
+}
+
+result shade::get_hit(const enum race &race, const int atk,
+                      const float hitrate) {
+        if (rng.rand_num() <= hitrate * (float)RAND_MAX) // This is a hit!
+                HP = std::max(HP - calc_dmg(atk, DEF), 0);
+
+        if (HP == 0)
+                return result::died;
+
+        return result::hit;
+}
+