dragons will now attack if player goes near its hoard

src/Makefile

@@ -8,7 +8,7 @@
 ########## Variables ##########
 
 CXX = g++						# compiler
-CXXFLAGS = -std=c++20 -g -Wall -Wold-style-cast -MMD -O0			# compiler flags
+CXXFLAGS = -std=c++20 -g -Wall -MMD -O0			# compiler flags
 MAKEFILE_NAME = ${firstword ${MAKEFILE_LIST}}		# makefile name
 
 SOURCES = $(wildcard *.cc) $(wildcard */*.cc)		# source files (*.cc)

src/enemies/dragon.cc

@@ -26,3 +26,7 @@ int dragon::dies(level *lvl) {
 
         return 0;
 }
+
+position dragon::get_guards() const {
+        return guards;
+}

src/enemies/dragon.h

@@ -11,6 +11,7 @@ public:
         const char *get_race_name() const override;
         long_result act(level *lvl, character *pc, bool hostile) override;
         int dies(level *lvl) override;
+        position get_guards() const;
 };
 
 #endif

src/enemy.cc

@@ -3,6 +3,7 @@
 #include "constants.h"
 #include "player.h"
 #include "level.h"
+#include "enemies/dragon.h"
 
 enemy_base::enemy_base(RNG *rng, const feature enabled_features,
                        const enum race &nrace, const position &pos,
@@ -17,6 +18,10 @@ int enemy_base::get_room_num() const {
 long_result enemy_base::act(level *lvl, character *pc, bool hostile) {
         if (is_adjacent(pos, pc->get_pos()) && hostile)
                 return attack(pc);
+        else if (race == DRAGON &&
+                 is_adjacent(static_cast<dragon * >(this)->get_guards(),
+                             pc->get_pos()))
+                return attack(pc);
 
         if (enabled_features & FEATURE_ENEMIES_CHASE && hostile &&
             distance_sqr(pos, pc->get_pos()) <= DIST_THRESHOLD_SQR) {