implement leaderboard functionality

8 files changed, 55 insertions, 21 deletions

diff --git a/frontend/DB.cpp b/frontend/DB.cpp
index f40a9fd..28a1c3d 100644
--- a/frontend/DB.cpp
+++ b/frontend/DB.cpp
@@ -77,24 +77,24 @@ DBQueryRow DBStatement::row() {
 DBQueryRow::DBQueryRow(DBStatement & parent) : parent(parent) { }
 
 template <>
-const char * DBQueryRow::col<const char*>(int index, const char * const & default_value) {
+const char * DBQueryRow::col<const char*>(int index, const char * const & default_value) const {
 	int type = sqlite3_column_type(this->parent.stmt.get(), index);
 	if (type == SQLITE_NULL) return default_value;
 	return reinterpret_cast<const char *>(sqlite3_column_text(this->parent.stmt.get(), index));
 }
 template <>
-const char * DBQueryRow::col<const char*>(int index) {
+const char * DBQueryRow::col<const char*>(int index) const {
 	return this->col<const char *>(index, "");
 }
 
 template <>
-int DBQueryRow::col<int>(int index, const int & default_value) {
+int DBQueryRow::col<int>(int index, const int & default_value) const {
 	int type = sqlite3_column_type(this->parent.stmt.get(), index);
 	if (type == SQLITE_NULL) return default_value;
 	return sqlite3_column_int(this->parent.stmt.get(), index);
 }
 template <>
-int DBQueryRow::col<int>(int index) {
+int DBQueryRow::col<int>(int index) const {
 	return this->col<int>(index, 0);
 }
 
diff --git a/frontend/DB.h b/frontend/DB.h
index 0164e34..2746e09 100644
--- a/frontend/DB.h
+++ b/frontend/DB.h
@@ -13,9 +13,9 @@ public:
 
 public:
 	template <typename T>
-	T col(int index, const T & default_value);
+	T col(int index, const T & default_value) const;
 	template <typename T>
-	T col(int index);
+	T col(int index) const;
 
 private:
 	DBStatement & parent;
diff --git a/frontend/GameController.cpp b/frontend/GameController.cpp
index d7b5f96..e015348 100644
--- a/frontend/GameController.cpp
+++ b/frontend/GameController.cpp
@@ -70,14 +70,17 @@ unique_ptr<Dungeon> GameController::make_dungeon() noexcept {
 void GameController::gameloop() {
 	this->dungeon = make_dungeon();
 	Player & player = this->dungeon->get_player();
+	GameData & gamedata = GameData::get_instance();
 
 	lprtf("Wat is de naam van je karakter?\n");
 	player.name = rl().c_str();
 	player.set_location(dungeon->get_start_location());
-	player.equip(static_cast<WeaponObject *>(GameData::get_instance().create_object("Dolk")));
+	player.equip(static_cast<WeaponObject *>(gamedata.create_object("Dolk")));
 
 	cmdset_default();
 
+	bool is_dead = false, last_is_dead = false;
+
 	this->playing = true;
 	while (this->playing) {
 		string line = rl();
@@ -88,8 +91,15 @@ void GameController::gameloop() {
 			lprtf("FOUT: %s.\n", e.what());
 		}
 
-		if (player.is_dead())
-			cmdset_death();
+		last_is_dead = is_dead;
+		is_dead = player.is_dead();
+		bool just_died = last_is_dead == false && is_dead == true;
+		if (!just_died) continue;
+
+		cmdset_death();
+		gamedata.leaderbord_add(player.name.c_str(), player.gold);
+		str_print(strings::DEATH);
+		gamedata.leaderbord_print();
 	}
 }
 
diff --git a/frontend/GameData.cpp b/frontend/GameData.cpp
index e62cff1..ee05d4b 100644
--- a/frontend/GameData.cpp
+++ b/frontend/GameData.cpp
@@ -6,6 +6,7 @@
 #include "backend/LocationFactory.h"
 #include "backend/Object.h"
 #include "backend/ObjectFactory.h"
+#include "backend/print.h"
 
 #include "GameData.h"
 
@@ -20,7 +21,7 @@ GameData::GameData() {
 	this->db = make_unique<DB>("kerkersendraken.db");
 }
 
-Enemy * GameData::create_enemy(const string & name) {
+Enemy * GameData::create_enemy(const string & name) const {
 	static DBStatement query = this->db->prepare(R"(
 		select
 			naam,
@@ -62,7 +63,7 @@ static const unordered_map<string, ObjectType> type_map = {
 	{ "goudstukken", ObjectType::GOLD },
 };
 
-Object * GameData::create_object(const string & name) {
+Object * GameData::create_object(const string & name) const {
 	static DBStatement query = this->db->prepare(R"(
 		select
 			type,
@@ -95,7 +96,7 @@ Object * GameData::create_object(const string & name) {
 	}
 }
 
-Location * GameData::create_location(const string & name) {
+Location * GameData::create_location(const string & name) const{
 	static DBStatement query = this->db->prepare(R"(
 		select
 			naam,
@@ -116,7 +117,7 @@ Location * GameData::create_location(const string & name) {
 	}
 }
 
-void GameData::leaderbord_add(const string & name, unsigned int gold) {
+void GameData::leaderbord_add(const string & name, unsigned int gold) const {
 	static DBStatement stmt = this->db->prepare(R"(
 		insert into Leaderboard (naam, goudstukken)
 		values (?, ?)
@@ -128,6 +129,24 @@ void GameData::leaderbord_add(const string & name, unsigned int gold) {
 	stmt.execute();
 }
 
+void GameData::leaderbord_print() const {
+	static DBStatement query = this->db->prepare(R"(
+		select naam, goudstukken
+		from Leaderboard
+		order by goudstukken desc
+		limit 10
+	)");
+	query.reset();
+	printf("\033[1;4m");
+	lprtf("%3s  %-20s  %4s", "#", "Naam", "Goud");
+	printf("\033[0m");
+	lprtf("\n");
+	unsigned int i = 1;
+	for (DBQueryRow & row : query.rows()) {
+		lprtf("%3d  %-20s  %4d\n", i++, row.col<const char *>(0), row.col<int>(1));
+	}
+}
+
 vector<string> GameData::random_locations(unsigned count) {
 	static DBStatement query = this->db->prepare(R"(
 		select naam
diff --git a/frontend/GameData.h b/frontend/GameData.h
index 81e16c1..0d7577d 100644
--- a/frontend/GameData.h
+++ b/frontend/GameData.h
@@ -13,12 +13,13 @@ public:
 	static GameData & get_instance();
 
 public:
-	Enemy * create_enemy(const std::string & name);
-	Object * create_object(const std::string & name);
-	Location * create_location(const std::string & name);
+	Enemy * create_enemy(const std::string & name) const;
+	Object * create_object(const std::string & name) const;
+	Location * create_location(const std::string & name) const;
 
 public:
-	void leaderbord_add(const std::string & name, unsigned int gold);
+	void leaderbord_add(const std::string & name, unsigned int gold) const;
+	void leaderbord_print() const;
 	std::vector<std::string> random_locations(unsigned count = 1);
 
 private:
diff --git a/frontend/generate_dungeon.cpp b/frontend/generate_dungeon.cpp
index 6e34673..7ce1754 100644
--- a/frontend/generate_dungeon.cpp
+++ b/frontend/generate_dungeon.cpp
@@ -20,10 +20,10 @@ unique_ptr<Dungeon> generate_dungeon() {
 		string filename = rl();
 		location_count = stoul(filename);
 	} catch (...) {
-		throw Exception("Geen geldig aantal ingevoerd");
+		throw Exception("geen geldig aantal ingevoerd");
 	}
 	if (location_count < 1)
-		throw Exception("Meer dan 1 locatie nodig");
+		throw Exception("meer dan 1 locatie nodig");
 
 	vector<string> locations = gd.random_locations(location_count);
 	for (const string & name : locations) {
diff --git a/frontend/load_dungeon.cpp b/frontend/load_dungeon.cpp
index 0388387..75edf16 100644
--- a/frontend/load_dungeon.cpp
+++ b/frontend/load_dungeon.cpp
@@ -28,12 +28,12 @@ unique_ptr<Dungeon> load_dungeon(const string & filename) {
 	try {
 		canonical = filesystem::canonical(canonical);
 	} catch (...) {
-		throw Exception("Kon bestand niet vinden");
+		throw Exception("kon bestand niet vinden (%s)", filename.c_str());
 	}
 
 	xml_parse_result result = doc.load_file(canonical.c_str(), parse_default, encoding_latin1);
 	if (!result)
-		throw Exception("Kon XML-bestand niet lezen");
+		throw Exception("kon XML-bestand niet lezen");
 
 	xml_node locations = doc.child("locaties");
 	if (!locations)
diff --git a/frontend/strings.h b/frontend/strings.h
index 61236a6..93af5ef 100644
--- a/frontend/strings.h
+++ b/frontend/strings.h
@@ -13,6 +13,10 @@ static constexpr const char * UNKNOWN_CMD = R"(De ingevoerde actie is onbekend
 of op dit moment niet mogelijk. De actie `Help` laat een opsomming van
 bestaande acties te zien.)";
 
+static constexpr const char * DEATH = R"(Je bent dood gegaan! Je highscore is
+opgeslagen in de ranglijst. Typ `Opnieuw` om opnieuw te spelen, of `Quit` om af
+te sluiten.)";
+
 }
 
 void str_print(const char *);