ru:: random potion effects

rogueviz/ru/classes.cpp

@@ -1,5 +1,7 @@
 namespace rogue_unlike {
 
+enum class rev { start, active, stop };
+
 /** a helper structure to mass to powerfun */
 struct data {
   int keystate;
@@ -8,10 +10,22 @@ struct data {
   ld moda;
   int dx;
   struct power *p;
+  struct randeff *re;
+  rev mode;
   };
 
 using powerfun = hr::function<void(data&)>;
 
+struct randeff {
+  string name;
+  string desc;
+  string effect;
+  power *which_weapon;
+  int qty, a, b, c, d;
+  powerfun act;
+  randeff (string name, string desc, string effect, powerfun act) : name(name), desc(desc), effect(effect), act(act) {}
+  };
+
 struct power {
   int key;
   string name;
@@ -24,6 +38,7 @@ struct power {
   int qty_owned;
   flagtype flags;
   int random_flavor;
+  vector<struct randeff*> randeffs;
   void init();
   hr::function<void(data&)> act, paused_act, dead_act;
   hr::function<string()> get_name;
@@ -50,6 +65,7 @@ extern power *extra_life;
 flagtype IDENTIFIED = Flag(1);
 flagtype ACTIVE = Flag(2);
 flagtype PARTIAL = Flag(4);
+flagtype WEAPON = Flag(8);
 
 struct bbox {
   int minx, miny, maxx, maxy;

rogueviz/ru/globals.cpp

@@ -155,6 +155,7 @@ void asciiletter(ld minx, ld miny, ld maxx, ld maxy, const string& ch, color_t c
 
 void render_the_map();
 void shuffle_all();
+void assign_potion_powers();
 
 using revert_stack = vector<reaction_t>;
 

rogueviz/ru/powers.cpp

@@ -24,6 +24,7 @@ string addqof(string base, power *p) {
 
 
 power& power::be_weapon() {
+  flags |= WEAPON;
   picked_up = [this] (int x) { qty_owned += x; qty_filled = max(qty_filled, x);  };
   auto gn = get_name; get_name = [gn, this] { return addqof(gn(), this); };
   return self;
@@ -396,31 +397,37 @@ void gen_powers() {
   gen_power('2', "health",
     "This will cure your wounds, in some way.",
     "!", 0xFFFF00FF,
-    [] (data& d) { if(d.keystate == 1) d.p->flags |= (PARTIAL | IDENTIFIED); }
+    random_potion_act
     ).be_potion(),
 
   gen_power('3', "reach",
     "This will let you reach heights, in some way.",
     "!", 0xFFFF00FF,
-    [] (data& d) { if(d.keystate == 1) d.p->flags |= (PARTIAL | IDENTIFIED); }
+    random_potion_act
     ).be_potion(),
 
   gen_power('4', "fire",
     "This will let you produce fire, in some way.",
     "!", 0xFFFF00FF,
-    [] (data& d) { if(d.keystate == 1) d.p->flags |= (PARTIAL | IDENTIFIED); }
+    random_potion_act
     ).be_potion(),
 
   gen_power('5', "polymorph",
     "This will let you change into a small creature.",
     "!", 0xFFFF00FF,
-    [] (data& d) { if(d.keystate == 1) d.p->flags |= (PARTIAL | IDENTIFIED); }
+    random_potion_act
     ).be_potion(),
 
   gen_power('6', "the thief",
     "This will let you bypass trapped areas, in some way.",
     "!", 0xFFFF00FF,
-    [] (data& d) { if(d.keystate == 1) d.p->flags |= (PARTIAL | IDENTIFIED); }
+    random_potion_act
+    ).be_potion(),
+
+  gen_power('7', "mystery",
+    "A potion with some random effect.",
+    "!", 0xFFFF00FF,
+    random_potion_act
     ).be_potion(),
 
   gold_id = isize(powers);
@@ -552,6 +559,12 @@ void shuffle_all() {
   auto& pc = potion_colors;
   for(int i=1; i<isize(pc); i++) swap(pc[i], pc[rand() % (i+1)]);
   for(auto& p: powers) p.reshuffle();
+  assign_potion_powers();
+  }
+
+power& find_power(string name) {
+  for(auto& p: powers) if(p.name == name) return p;
+  throw hr_exception("unknown power");
   }
 
 }

rogueviz/ru/randeff.cpp

@@ -0,0 +1,106 @@
+namespace rogue_unlike {
+
+randeff inc_str("Strength", "Increases your Strength by 50%.", "You feel stronger!", [] (data &d) { m.next.stats[stat::str] += m.current.stats[stat::str] / 3; });
+randeff inc_dex("Dexterity", "Increases your Dexterity by 50%.", "You feel faster!", [] (data &d) { m.next.stats[stat::dex] += m.current.stats[stat::dex] / 3; });
+randeff inc_con("Toughness", "Increases your Toughness by 50%.", "You feel tougher!", [] (data &d) { m.next.stats[stat::con] += m.current.stats[stat::con] / 3; });
+randeff inc_wis("Wisdom", "Increases your Wisdom by 50%.", "You feel wiser!", [] (data &d) { m.next.stats[stat::wis] += m.current.stats[stat::wis] / 3; });
+randeff dec_str("Weakness", "Decreases your Strength by 25%.", "You feel weaker!", [] (data &d) { m.next.stats[stat::str] -= m.current.stats[stat::str] / 3; });
+randeff dec_dex("Clumsiness", "Decreases your Dexterity by 25%.", "You feel slower!", [] (data &d) { m.next.stats[stat::dex] -= m.current.stats[stat::dex] / 3; });
+randeff dec_con("Frailness", "Decreases your Toughness by 25%.", "You feel frail!", [] (data &d) { m.next.stats[stat::con] -= m.current.stats[stat::con] / 3; });
+randeff dec_wis("Stupidity", "Decreases your Wisdom by 25%.", "You feel stupid!", [] (data &d) { m.next.stats[stat::wis] -= m.current.stats[stat::wis] / 3; });
+randeff hallux("Hallucination", "Makes you unable to recognize monsters.", "Oh wow, everything looks so cosmic!", [] (data &d) { m.next.hallucinating = true; });
+randeff confux("Confusion", "Makes you unable to tell left and right.", "You feel confused!", [] (data &d) { 
+  auto& ml = find_power("move left");
+  auto& mr = find_power("move right");
+  if(d.mode == rev::stop) {
+    if(d.re->qty & 1) swap(ml.key, mr.key);
+    return;
+    }
+  if(m.vel == m.zero_vel) { 
+    if(!keyheld(ml.key) && !keyheld(mr.key)) {
+      d.re->qty++;
+      swap(ml.key, mr.key);
+      }
+    }
+  });
+
+// jump powers
+randeff jump_double("Double Jump", "Lets you jump while already in air.", "You feel a strange force in your legs!", [] (data &d) { });
+randeff jump_high("High Jump", "Lets you jump higher.", "Your legs feel stronger!", [] (data &d) { });
+randeff jump_bubble("Bubble", "Lets you create bubbles to reach higher places.", "You feel strange bubbles growing in your mouth!", [] (data &d) { });
+randeff jump_light("Lightness", "Causes you to be less affected by gravity.", "You feel lighter!", [] (data &d) { });
+
+// trap powers
+randeff trap_detect("Detect traps", "Lets you see traps and secret passages in a circle around you.", "You see things you could not see before!", [] (data &d) { });
+randeff trap_snake("Snake Hair", "Lets you create snakes that can be used to disarm traps and secret passages.", "You grow snakes on your head!", [] (data &d) { });
+randeff trap_disarm("Disarm traps", "Lets you see all traps on the level for a short time, and to attack them with your [weapon] to destroy them.", "You suddenly feel able to disarm traps with your [weapon]!", [] (data &d) { });
+
+// health powers
+randeff health_heal("Healing", "Instantly heals you.", "You feel healthier!", [] (data &d) {
+  if(d.mode == rev::start) {
+    m.hp += 3 * m.current.stats[stat::wis];
+    m.hp += (m.max_hp() - m.hp) * m.current.stats[stat::wis] * 2 / 100;
+    if(m.hp > m.max_hp()) m.hp = m.max_hp();
+    }
+  });
+randeff health_regen("Regeneration", "Heals you over a period of time.", "You feel slowly healing!", [] (data &d) {
+  auto& re = *d.re;
+  auto& regen_qty = re.a;
+  auto& regen_period = re.b;
+  auto& regen_start = re.c;
+  if(d.mode == rev::start) {
+    regen_qty = 4 * m.current.stats[stat::wis] + m.max_hp() * m.current.stats[stat::wis] * 3 / 100;
+    regen_period = game_fps;
+    regen_start = gframeid;
+    }
+  if(gframeid >= regen_start && gframeid < regen_start + regen_period) {
+    int t = gframeid - regen_start;
+    int sco = (t+1) * regen_qty / regen_period - t * regen_qty / regen_period;
+    m.hp = min(m.hp + sco, m.max_hp());
+    }
+  });
+randeff health_protect("Protection", "Makes you more resistant to damage.", "You feel protected!", [] (data &d) {
+  // m.protection += 3 * m.current.stats[stat::wis] + m.hp * m.current.stats[stat::wis] * 2 / 100;
+  });
+randeff health_vampire("Vampirism", "Attacks with your [weapon] restore your health.", "Your [weapon] wants blood!", [] (data &d) {
+  // m.vampire += 4 * m.current.stats[stat::wis] + m.max_hp() * m.current.stats[stat::wis] * 3 / 100;
+  });
+randeff health_bubbles("Bubbles", "When you are attacked, you produce red bubbles that you can collect to heal yourself back.", "You feel something bouncy growing inside you!", [] (data &d) {
+  // m.healbubbles += 4 * m.current.stats[stat::wis] + m.max_hp() * m.current.stats[stat::wis] * 3 / 100;
+  });
+
+// fire powers
+randeff fire_spit("Fiery Spit", "Lets you spit fire.", "You feel fire in your mouth!", [] (data &d) { });
+randeff fire_weapon("Fiery Weapon", "Attacks with your [weapon] set things on fire.", "Your hands glow, and your [weapon] burst into flame!", [] (data &d) { });
+
+// morph powers
+randeff morph_cat("Cat", "Turns you into a cat.", "You turn into a cat!", [] (data &d) { });
+randeff morph_capy("Capybara", "Turns you into a capybara.", "You turn into a capybara!", [] (data &d) { });
+
+vector<power*> all_weapons() {
+  vector<power*> res;
+  for(auto& w: powers) if(w.qty_filled && (w.flags & WEAPON))
+    res.push_back(&w);
+  if(res.empty()) res = { &find_power("dagger") };
+  return res;
+  }
+
+void assign_potion_powers() {
+  vector<randeff*> random_powers = { &inc_str, &inc_dex, &inc_con, &inc_wis, &dec_str, &dec_dex, &dec_con, &dec_wis, &hallux, &confux };
+  hrandom_shuffle(random_powers);
+  auto wpn = all_weapons();
+  hrandom_shuffle(wpn);
+  int idx = 0; while(isize(wpn) < 10) wpn.push_back(wpn[idx++]);
+
+  fire_weapon.which_weapon = wpn[0];
+  trap_disarm.which_weapon = wpn[1];
+  using relist = vector<randeff*>;
+  find_power("health").randeffs = relist{ pick(&health_heal, &health_regen, &health_protect), random_powers[0] };
+  find_power("the thief").randeffs = relist{ pick(&trap_detect, &trap_snake, &trap_disarm), random_powers[1] };
+  find_power("polymorph").randeffs = relist{ pick(&morph_cat, &morph_capy), random_powers[2] };
+  find_power("reach").randeffs = relist{ pick(&jump_double, &jump_high, &jump_bubble, &jump_light), random_powers[3] };
+  find_power("fire").randeffs = relist{ pick(&fire_spit, &fire_weapon), random_powers[4] };
+  find_power("mystery").randeffs = relist{ random_powers[5], random_powers[6], random_powers[7] };
+  }
+
+}

rogueviz/ru/ru.cpp

@@ -34,6 +34,7 @@ Have fun!
 #include "powers.cpp"
 #include "save.cpp"
 #include "stats.cpp"
+#include "randeff.cpp"
 
 namespace rogue_unlike {