finished the bulk of game

src/enemies.cc

@@ -1,20 +1,85 @@
 #include "enemies.h"
 
-// TODO: implement after characters
-void new_enemy(RNG *rng, std::unique_ptr<character> &pch, const position &pos,
-               bool extras) {
-        if (extras) {
+#include "constants.h"
+#include "enemies/dragon.h"
+#include "enemies/dwarf.h"
+#include "enemies/elf.h"
+#include "enemies/halfling.h"
+#include "enemies/human.h"
+#include "enemies/merchant.h"
+#include "enemies/orc.h"
 
-        } else {
-        }
-}
-
-void new_dragon(RNG *rng, std::unique_ptr<character> &pch, const position &pos,
-                const position &fallback) {
+void new_dragon(RNG *rng, std::unique_ptr<enemy_base> &p,
+                const position &pos, const position &fallback,
+                const feature enabled_features, int which_room) {
         const position nil{0, 0};
 
         if (pos != nil)
-                pch = std::make_unique<dragon>(rng, pos);
+                p = std::make_unique<dragon>(rng, enabled_features,
+                                             pos, which_room);
         else
-                pch = std::make_unique<dragon>(rng, fallback);
+                p = std::make_unique<dragon>(rng, enabled_features,
+                                             fallback, which_room);
+}
+
+const int EXCNT = 6;
+const race EXCHOICES[EXCNT] = {
+        rhuman, rdwarf, rhalfling, relf, rorc, rmerchant
+};
+const int CNT = 18;
+const race CHOICES[CNT] = {
+        rhuman, rhuman, rhuman, rhuman,
+        rdwarf, rdwarf, rdwarf,
+        rhalfling, rhalfling, rhalfling, rhalfling, rhalfling,
+        relf, relf,
+        rorc, rorc,
+        rmerchant, rmerchant
+};
+
+enum race get_extra_race(RNG *rng) {
+        return EXCHOICES[rng->rand_under(EXCNT)];
+}
+
+enum race get_normal_race(RNG *rng) {
+        return CHOICES[rng->rand_under(CNT)];
+}
+
+void new_enemy(RNG *rng, std::unique_ptr<enemy_base> &p,
+               const position &pos, const feature enabled_features,
+               int which_room) {
+        using std::make_unique;
+
+        enum race r;
+
+        if (enabled_features & FEATURE_EXTRA_STUFF)
+                r = get_extra_race(rng);
+        else
+                r = get_normal_race(rng);
+
+        p = nullptr;
+
+        switch (r) {
+        case rdwarf:
+                p = make_unique<dwarf>(rng, enabled_features, pos, which_room);
+                break;
+
+        case rhuman:
+                p = make_unique<human>(rng, enabled_features, pos, which_room);
+                break;
+
+        case relf:
+                p = make_unique<elf>(rng, enabled_features, pos, which_room);
+                break;
+
+        case rorc:
+                p = make_unique<orc>(rng, enabled_features, pos, which_room);
+                break;
+
+        case rmerchant:
+                p = make_unique<merchant>(rng, enabled_features, pos, which_room);
+                break;
+
+        default:
+                break;
+        }
 }