moved files out of subdirectories, added required documentation

src/restore_health.cc

@@ -0,0 +1,33 @@
+#include "restore_health.h"
+
+#include <algorithm>
+#include "constants.h"
+
+restore_health::restore_health(const position &pos):
+        potion{potion_type::RESTORE_HEALTH, 1, pos} {}
+
+void restore_health::apply(const enum race &race, int &HP, int &ATK, int &DEF,
+                           fraction &base_hit_rate) {
+        if (remaining_duration != 0) {
+                if (HP >= MAX_HP[race]) {
+                        --remaining_duration;
+                        return;
+                }
+
+                int tmp = GAIN_HEALTH;
+
+                if (race == DROW)
+                        tmp *= DROW_POTION_MUL;
+
+                HP = std::min(HP + tmp, MAX_HP[race]);
+                --remaining_duration;
+        }
+}
+
+int restore_health::get_priority() const {
+        return CALC_BASE;
+}
+
+const char *restore_health::get_name() const {
+        return "RH";
+}