From 573ba69d810914c153a578747414b3d631e61bbc Mon Sep 17 00:00:00 2001
From: tom barrett <spalf0@gmail.com>
Date: Thu, 12 Apr 2018 04:33:23 -0500
Subject: completely restructured code and fixed navigation bug

---
 src/server/engines.rs | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 src/server/engines.rs

(limited to 'src/server/engines.rs')

diff --git a/src/server/engines.rs b/src/server/engines.rs
new file mode 100644
index 0000000..ec55ee0
--- /dev/null
+++ b/src/server/engines.rs
@@ -0,0 +1,78 @@
+extern crate serde_json;
+
+use std::io::Write;
+use std::io::BufRead;
+use std::collections::HashMap;
+
+use ship::Ship;
+use mass::Mass;
+use connection::Connection;
+use targeting::TargetingStatus;
+
+impl Connection {
+    pub fn server_engines(&mut self, masses : &mut HashMap<String, Box<Mass>>) -> bool {
+        let masses_clone = masses.clone();
+
+        let mass = masses.get_mut(&self.name).unwrap();
+        let ship = mass.downcast_mut::<Ship>().unwrap();
+
+        let targeted = ship.recv_targeting_status() == TargetingStatus::Targeted;
+        let send = serde_json::to_string(&targeted).unwrap() + "\n";
+
+        match self.stream.write(send.as_bytes()) {
+            Ok(_result) => (),
+            Err(_error) => return false,
+        }
+
+        let mut acceleration = (0.0, 0.0, 0.0);
+        let mut recv = String::new();
+        match self.buff_r.read_line(&mut recv) {
+            Ok(result) => match recv.as_bytes() {
+                b"5\n" => acceleration.0 += 0.1,
+                b"0\n" => acceleration.0 -= 0.1,
+                b"8\n" => acceleration.1 += 0.1,
+                b"2\n" => acceleration.1 -= 0.1,
+                b"4\n" => acceleration.2 += 0.1,
+                b"6\n" => acceleration.2 -= 0.1,
+                b"+\n" => ship.speedup(),
+                b"-\n" => ship.slow(),
+                b"c\n" => {
+                    match ship.recv_target() {
+                        Some(name) => {
+                            let target = masses_clone.get(&name).unwrap();
+                            let d_v = target.recv_velocity();
+                            let m_v = ship.recv_velocity();
+                            acceleration = (d_v.0 - m_v.0,
+                                            d_v.1 - m_v.1,
+                                            d_v.2 - m_v.2);
+                        },
+                        None => (),
+                    }
+                },
+                b"t\n" => {
+                    match ship.recv_target() {
+                        Some(name) => {
+                            let target = masses_clone.get(&name).unwrap();
+                            let d_p = target.position();
+                            let m_p = ship.position();
+                            acceleration = ((d_p.0 - m_p.0) * 0.01,
+                                            (d_p.1 - m_p.1) * 0.01,
+                                            (d_p.2 - m_p.2) * 0.01);
+                        },
+                        None => (),
+                    }
+                },
+                _ => {
+                    if result == 0 {
+                        return false
+                    }
+                },
+            },
+            Err(_error) => (),
+        }
+
+        ship.give_acceleration(acceleration);
+
+        true
+    }
+}
-- 
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