moved files out of subdirectories, added required documentation

src/tempest_tantrum.cc

@@ -0,0 +1,28 @@
+#include "tempest_tantrum.h"
+
+#include <algorithm>
+#include "constants.h"
+
+tempest_tantrum::tempest_tantrum(const position &pos):
+        potion{potion_type::TEMPEST_TANTRUM, DURATION, pos} {}
+
+void tempest_tantrum::apply(const enum race &race, int &HP, int &ATK,
+                            int &DEF, fraction &base_hit_rate) {
+        if (remaining_duration == DURATION)
+                HP -= HP_RD_PERCENTAGE * HP *
+                      (race == DROW ? DROW_POTION_MUL : 1);
+
+        if (remaining_duration != 0) {
+                ATK *= ATK_MUL * (race == DROW ? DROW_POTION_MUL : 1);
+                DEF *= DEF_MUL * (race == DROW ? DROW_POTION_MUL : 1);
+                --remaining_duration;
+        }
+}
+
+int tempest_tantrum::get_priority() const {
+        return CALC_LAST;
+}
+
+const char *tempest_tantrum::get_name() const {
+        return "TT";
+}