From 2d45eeee80586ae21d4aeae5b19f08d722e2cc7d Mon Sep 17 00:00:00 2001
From: Vegard Storheil Eriksen <zyp@jvnv.net>
Date: Sat, 11 Dec 2010 07:18:01 +0100
Subject: Added Player::calculate_score().

---
 server/player.cpp | 98 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 server/player.h   |  4 +++
 2 files changed, 102 insertions(+)

diff --git a/server/player.cpp b/server/player.cpp
index 7c48a80..27c4b73 100644
--- a/server/player.cpp
+++ b/server/player.cpp
@@ -2,6 +2,9 @@
 
 #include "hand.h"
 
+#include <boost/assign/list_of.hpp>
+using boost::assign::list_of;
+
 void Player::round_start(int w) {
 	// Reset contents.
 	hand.clear();
@@ -431,5 +434,100 @@ void Player::declare_ron(Tile tile) {
 }
 
 void Player::declare_tsumo() {
+	List<Sets> hands = Hand::get_breakdowns(hand);
+	
+	Sets hand = hands.front();
+	hand.insert(hand.end(), open.begin(), open.end());
+	
+	Score score = calculate_score(hand, true);
+	
+	std::cout << "Tsumo: " << score.han() << " han, " << score.fu << " fu: " << score.tsumo_east() << "/" << score.tsumo() << "." << std::endl;
+}
+
+Score Player::calculate_score(const Sets& hand, bool tsumo) {
+	Tiles yakuhai = list_of(Tile::Chun)(Tile::Hatsu)(Tile::Haku); // TODO: Add seat and prevalent wind.
+	Tiles dora; // TODO: Fill this.
+	Tiles uradora; // TODO: Fill this.
+	
+	Score score(0, 20, 0); // Always 20 fu for winning.
+	
+	// Check riichi.
+	if(riichi) {
+		score.yaku += 1;
+		// TODO: Check ippatsu.
+	}
+	
+	// Check menzen tsumo.
+	if(tsumo && !open) {
+		score.yaku += 1;
+	}
+	
+	bool possible_tanyao = true;
+	bool possible_toitoi = true;
+	
+	for(Sets::const_iterator set = hand.begin(); set != hand.end(); set++) {
+		switch(set->type) {
+			case Set::Pair:
+				// Check for pair-related fu.
+				score.fu += yakuhai.count(set->tiles.front());
+				
+				break;
+			
+			case Set::Chi:
+				// Toitoi can't contain chi.
+				possible_toitoi = false;
+				break;
+			
+			case Set::Pon:
+			case Set::Kan:
+				// Calculate fu.
+				score.fu += 2 << (!set->open + !set->tiles.front().is_simple() + 2 * (set->type == Set::Kan));
+				
+				// Check yakuhai.
+				score.yaku += yakuhai.count(set->tiles.front());
+				
+				break;
+		}
+		
+		for(Tiles::const_iterator tile = set->tiles.begin(); tile != set->tiles.end(); tile++) {
+			// Check tanyao.
+			if(!tile->is_simple()) {
+				possible_tanyao = false;
+			}
+			
+			// Check dora.
+			score.dora += dora.count(*tile);
+			
+			// Check uradora.
+			score.dora += uradora.count(*tile);
+			
+			// Check akadora.
+			if(tile->red) {
+				score.dora += 1;
+			}
+		}
+	}
+	
+	// Check tanyao.
+	if(possible_tanyao) {
+		score.yaku += 1;
+	}
+	
+	// Check toitoi.
+	if(possible_toitoi) {
+		score.yaku += 2;
+	}
+	
+	// Check pinfu.
+	if(score.fu == 20 && !open) {
+		score.yaku += 1;
+	}
+	
+	// Check fu for ron.
+	if(!tsumo && !open) {
+		// 10 fu for ron.
+		score.fu += 10;
+	}
 	
+	return score;
 }
diff --git a/server/player.h b/server/player.h
index cf98231..ea17926 100644
--- a/server/player.h
+++ b/server/player.h
@@ -2,6 +2,7 @@
 #define PLAYER_H
 
 #include "client.h"
+#include "score.h"
 
 #include "../common/set.h"
 #include "../common/cyclicint.h"
@@ -100,6 +101,9 @@ class Player {
 		
 		//! Declare win on self-drawn tile.
 		void declare_tsumo();
+		
+		//! Calculate score for winning hand combination.
+		Score calculate_score(const Sets& hand, bool tsumo);
 };
 
 #endif
-- 
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