From 62331b43f15c5eb1fd3eaa661cad742c04a984f1 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Sun, 1 May 2022 16:45:18 +0200
Subject: [PATCH] nilrider:: basic save functionality (no load though)

---
 rogueviz/nilrider/nilrider.cpp |  9 ++++++++-
 rogueviz/nilrider/nilrider.h   | 17 +++++++++++++++-
 rogueviz/nilrider/save.cpp     | 37 ++++++++++++++++++++++++++++++++++
 3 files changed, 61 insertions(+), 2 deletions(-)
 create mode 100644 rogueviz/nilrider/save.cpp

diff --git a/rogueviz/nilrider/nilrider.cpp b/rogueviz/nilrider/nilrider.cpp
index da4fba61..329ef7ab 100644
--- a/rogueviz/nilrider/nilrider.cpp
+++ b/rogueviz/nilrider/nilrider.cpp
@@ -5,6 +5,7 @@
 #include "level.cpp"
 #include "planning.cpp"
 #include "solver.cpp"
+#include "save.cpp"
 
 namespace nilrider {
 
@@ -254,13 +255,19 @@ void main_menu() {
     dialog::addItem("view the replay", 'v');
     dialog::add_action(toggle_replay);
   
-    dialog::addItem("save the replay", 'e');
+    dialog::addItem("save the replay", 's');
     dialog::add_action([] {
+      vector<int> ang;
+      for(auto& h: curlev->history) ang.push_back(heading_to_int(h.heading_angle));
+      curlev->manual_replays.emplace_back(manual_replay{new_replay_name(), std::move(ang)});
+      save();
       });
     }
   else {
     dialog::addItem("save this plan", 's');
     dialog::add_action([] {
+      curlev->plan_replays.emplace_back(plan_replay{new_replay_name(), curlev->plan});
+      save();
       });
     }
 
diff --git a/rogueviz/nilrider/nilrider.h b/rogueviz/nilrider/nilrider.h
index db7d2bec..7e65425d 100644
--- a/rogueviz/nilrider/nilrider.h
+++ b/rogueviz/nilrider/nilrider.h
@@ -33,6 +33,8 @@ struct planpoint {
   planpoint(hyperpoint a, hyperpoint v): at(a), vel(v) {};
   };
 
+using plan_t = vector<planpoint>;
+
 constexpr flagtype nrlPolar = Flag(1);
 
 struct statue {
@@ -47,6 +49,16 @@ struct triangledata {
   array<color_t, 7> colors;
   };
 
+struct manual_replay {
+  string name;
+  vector<int> headings;
+  };
+
+struct plan_replay {
+  string name;
+  plan_t plan;
+  };
+
 struct level {
   string name;
   char hotkey;
@@ -94,8 +106,11 @@ struct level {
 
   vector<timestamp> history;
   
+  vector<manual_replay> manual_replays;
+  vector<plan_replay> plan_replays;
+
   /** plan for the planning mode */
-  vector<planpoint> plan;
+  plan_t plan;
   void init_plan();
   bool simulate();
   void draw_planning_screen();
diff --git a/rogueviz/nilrider/save.cpp b/rogueviz/nilrider/save.cpp
new file mode 100644
index 00000000..496079e6
--- /dev/null
+++ b/rogueviz/nilrider/save.cpp
@@ -0,0 +1,37 @@
+namespace nilrider {
+
+const string ver = "0.1";
+
+string new_replay_name() {
+  time_t timer;
+  timer = time(NULL);
+  char timebuf[128]; 
+  strftime(timebuf, 128, "%y%m%d-%H%M%S", localtime(&timer));
+  return timebuf;
+  }
+
+void save() {
+  println(hlog, "save called");
+  fhstream f("nilrider.save", "wt");
+  println(f, "version ", ver);
+  for(auto l: all_levels) {
+    for(auto& p: l->manual_replays) {
+      println(f, "*MANUAL");
+      println(f, l->name);
+      println(f, p.name);
+      println(f, isize(p.headings));
+      for(auto t: p.headings) println(f, t);
+      println(f);
+      }
+    for(auto& p: l->plan_replays) {
+      println(f, "*PLANNING");
+      println(f, l->name);
+      println(f, p.name);
+      println(f, isize(p.plan));
+      for(auto t: p.plan) println(f, format("%.6f %.6f %.6f %.6f", t.at[0], t.at[1], t.vel[0], t.vel[1]));
+      println(f);
+      }
+    }
+  }
+
+}