From 411d2f6d6a6e5370d33f0f54b2f2de7147a9d977 Mon Sep 17 00:00:00 2001
From: jacopograndi <jak.sk8@hotmail.it>
Date: Mon, 6 Sep 2021 20:11:36 +0200
Subject: started ai

---
 game/ai/generator.h | 102 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 game/ai/generator.h

(limited to 'game/ai/generator.h')

diff --git a/game/ai/generator.h b/game/ai/generator.h
new file mode 100644
index 0000000..c6cb288
--- /dev/null
+++ b/game/ai/generator.h
@@ -0,0 +1,102 @@
+#ifndef GENERATOR_H
+#define GENERATOR_H
+
+#include <iostream>
+
+#include <string>
+#include <vector>
+
+#include "../ground.h"
+#include "../gst.h"
+#include "action.h"
+#include "tactic.h"
+#include "performer.h"
+
+namespace ai {
+    
+const int maxiter = 100000;
+
+
+class generator {
+    public:
+    generator (Gst &gst) : init(gst) {}
+    Gst &init;
+    
+    std::vector<action> valid_actions (Gst &gst) {
+        Ground &gr = gst.inv->ground;
+        std::vector<action> acts;
+        for (Entity &ent : gst.entities) {
+            if (ent.done) continue;
+            if (ent.owner != gst.turn) continue;
+            
+            std::vector<action> ent_acts;
+            
+            std::vector<int> moves = gr.move_area(gst, ent);
+            for (auto move : moves) {
+                int mx = move%gr.sizex, my = move/gr.sizex;
+                action act { actype::move, ent.x, ent.y, mx, my };
+                
+                performer perf { gst };
+                Gst next { gst };
+                next = perf.act(next, act);
+                Entity &matk = next.get_at(mx, my);
+                std::vector<int> atks = gr.attack_targets(next, matk);
+                for (auto atk : atks) {
+                    int tx = atk%gr.sizex, ty = atk/gr.sizex;
+                    action act_atk { actype::attack, ent.x, ent.y, 
+                        mx, my, tx, ty };
+                    Entity &mdef = next.get_at(tx, ty);
+                    
+                    BattleResult res = gst.battle_res(matk, mdef);
+                    float heur = (mdef.hp-res.def_hp);
+                    heur *= (mdef.info->cost[0] + mdef.info->cost[1]);
+                    act_atk.heuristic = heur;
+                    ent_acts.push_back(act_atk);
+                }
+                
+                int dist = 999999;
+                int pos = gst.get_nearest_enemy(ent, dist);
+                float heur = 1.0f/dist;
+                act.heuristic = heur;
+                ent_acts.push_back(act);
+            }
+            std::sort(ent_acts.begin(), ent_acts.end(), compare_action);
+            for (int i=0; i<3 && i<ent_acts.size(); i++) {
+                acts.push_back(ent_acts[i]);
+            }
+        }
+        std::sort(acts.begin(), acts.end(), compare_action);
+        return acts;
+    }
+    
+    tactic valid_tactic (int &n) {
+        tactic t;
+        Gst gst { init };
+        for (int i=0; i<ai::maxiter; i++) {
+            std::vector<action> acts { valid_actions(gst) };
+            if (acts.size() == 0) break;
+            performer perf { gst };
+            int j = n % (acts.size()); 
+            n /= acts.size();
+            action &act = acts[j];
+            gst = perf.act(gst, act);
+            t.acts.push_back(act);
+            //std::cout << act.to_string() << std::endl;
+        }
+        return t;
+    }
+    
+    std::vector<tactic> tactics () {
+        std::vector<tactic> ts;
+        for (int i=0; i<3; i++) {
+            int n = i;
+            tactic t = valid_tactic(n);
+            if (n > 0) break;
+            ts.push_back(t); 
+        }
+        return ts;
+    }
+};
+
+}
+#endif
\ No newline at end of file
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