From 7bf7d8d977733cb02258b4a79faf2417c52e9323 Mon Sep 17 00:00:00 2001
From: Justin Worthe <justin@worthe-it.co.za>
Date: Mon, 25 Jun 2018 19:04:29 +0200
Subject: Compilation, allowing new moves to be chosen, and missile move order

---
 src/strategy/monte_carlo.rs | 33 +++++++++++++++++++++++++++------
 1 file changed, 27 insertions(+), 6 deletions(-)

(limited to 'src/strategy/monte_carlo.rs')

diff --git a/src/strategy/monte_carlo.rs b/src/strategy/monte_carlo.rs
index 0d813d3..1ea18db 100644
--- a/src/strategy/monte_carlo.rs
+++ b/src/strategy/monte_carlo.rs
@@ -76,25 +76,35 @@ fn simulate_to_endstate<R: Rng>(command_score: &mut CommandScore, settings: &Gam
 
 fn random_player_move<R: Rng>(settings: &GameSettings, state: &GameState, rng: &mut R) -> Command {
     let all_buildings = state.player.sensible_buildings(settings);
-    random_move(&state.unoccupied_player_cells, &all_buildings, rng)
+    random_move(&settings, &state.unoccupied_player_cells, &all_buildings, rng)
 }
 
 fn random_opponent_move<R: Rng>(settings: &GameSettings, state: &GameState, rng: &mut R) -> Command {
     let all_buildings = state.opponent.sensible_buildings(settings);
-    random_move(&state.unoccupied_opponent_cells, &all_buildings, rng)
+    random_move(&settings, &state.unoccupied_opponent_cells, &all_buildings, rng)
 }
 
-fn random_move<R: Rng>(all_positions: &[Point], all_buildings: &[BuildingType], rng: &mut R) -> Command {
-    let number_of_commands = all_positions.len()*all_buildings.len()+1;
+fn random_move<R: Rng>(settings: &GameSettings, all_positions: &[Point], all_buildings: &[BuildingType], rng: &mut R) -> Command {
+    
+    let building_command_count = all_positions.len()*all_buildings.len();
+    let deconstruct_count = (settings.size.x as usize * settings.size.y as usize / 2) - all_positions.len();
+    let nothing_count = 1;
+
+    let number_of_commands = building_command_count + deconstruct_count + nothing_count;
+    
     let choice_index = rng.gen_range(0, number_of_commands);
 
     if choice_index == number_of_commands - 1 {
         Command::Nothing
-    } else {
+    } else if choice_index < building_command_count {
         Command::Build(
             all_positions[choice_index/all_buildings.len()],
             all_buildings[choice_index%all_buildings.len()]
         )
+    } else {
+        Command::Deconstruct(
+            all_positions[choice_index-building_command_count]
+        )
     }
 }
 
@@ -153,7 +163,11 @@ impl CommandScore {
     fn init_command_scores(settings: &GameSettings, state: &GameState) -> Vec<CommandScore> {
         let all_buildings = state.player.sensible_buildings(settings);
 
-        let mut commands = Vec::with_capacity(state.unoccupied_player_cells.len()*all_buildings.len()+1);
+        let building_command_count = state.unoccupied_player_cells.len()*all_buildings.len();
+        let deconstruct_count = (settings.size.x as usize *settings.size.y as usize / 2) - state.unoccupied_player_cells.len();
+        let nothing_count = 1;
+        
+        let mut commands = Vec::with_capacity(building_command_count + deconstruct_count + nothing_count);
         commands.push(CommandScore::new(Command::Nothing));
 
         for &position in &state.unoccupied_player_cells {
@@ -162,6 +176,13 @@ impl CommandScore {
             }
         }
 
+        for building in &state.player_buildings {
+            commands.push(CommandScore::new(Command::Deconstruct(building.pos)));
+        }
+        for building in &state.player_unconstructed_buildings {
+            commands.push(CommandScore::new(Command::Deconstruct(building.pos)));
+        }
+
         commands
     }
 }
-- 
cgit v1.2.3