more bug fixes

7 files changed, 24 insertions, 12 deletions

diff --git a/backend/ArmorObject.cpp b/backend/ArmorObject.cpp
index 3e0a4e2..a9fd51f 100644
--- a/backend/ArmorObject.cpp
+++ b/backend/ArmorObject.cpp
@@ -1,9 +1,9 @@
 #include "ArmorObject.h"
 
-void ArmorObject::set_protection(int protection) {
+void ArmorObject::set_protection(unsigned int protection) {
 	this->protection = protection;
 }
-int ArmorObject::get_protection() const {
+unsigned int ArmorObject::get_protection() const {
 	return this->protection;
 }
 
diff --git a/backend/ArmorObject.h b/backend/ArmorObject.h
index 068594e..74af728 100644
--- a/backend/ArmorObject.h
+++ b/backend/ArmorObject.h
@@ -6,12 +6,12 @@ class ArmorObject : public Object {
 	using Object::Object;
 
 public:
-	void set_protection(int protection);
-	int get_protection() const;
+	void set_protection(unsigned int protection);
+	unsigned int get_protection() const;
 	virtual String get_displayname() const;
 
 private:
-	int protection = 0;
+	unsigned int protection = 0;
 
 };
 
diff --git a/backend/ObjectFactory.h b/backend/ObjectFactory.h
index 735ac1f..1578198 100644
--- a/backend/ObjectFactory.h
+++ b/backend/ObjectFactory.h
@@ -9,7 +9,7 @@ struct UniversalObject {
 	String description;
 	String type;
 	Range<int> value;
-	int protection;
+	unsigned int protection;
 };
 
 class ObjectFactory {
diff --git a/backend/Player.cpp b/backend/Player.cpp
index 6c2cf6b..66197fa 100644
--- a/backend/Player.cpp
+++ b/backend/Player.cpp
@@ -29,9 +29,13 @@ void Player::take_damage(unsigned int dmg) {
 	if (this->cheating) return;
 	if (this->is_dead()) return;
 
-	dmg = min(dmg, this->health_points);
+	// reduce damage by armor's protection value (if player is wearing any)
 	if (this->armor != nullptr)
-		dmg = max(0u, dmg - this->armor->get_protection());
+		dmg -= min(dmg, this->armor->get_protection());
+
+	// make sure health_points doesn't go below 0
+	dmg = min(dmg, this->health_points);
+
 	this->health_points -= dmg;
 
 	auto & hp = this->health_points;
diff --git a/frontend/DB.cpp b/frontend/DB.cpp
index 0f52433..1c8ab41 100644
--- a/frontend/DB.cpp
+++ b/frontend/DB.cpp
@@ -98,6 +98,15 @@ int DBQueryRow::col<int>(int index) const {
 	return this->col<int>(index, 0);
 }
 
+template <>
+unsigned int DBQueryRow::col<unsigned int>(int index, const unsigned int & default_value) const {
+	return this->col<int>(index, default_value);
+}
+template <>
+unsigned int DBQueryRow::col<unsigned int>(int index) const {
+	return this->col<unsigned int>(index, 0);
+}
+
 DBQueryRowRange DBStatement::rows() {
 	return { *this };
 }
diff --git a/frontend/GameData.cpp b/frontend/GameData.cpp
index 70a8058..635073a 100644
--- a/frontend/GameData.cpp
+++ b/frontend/GameData.cpp
@@ -77,7 +77,7 @@ Object * GameData::create_object(const string & name) const {
 			.description = row.col<const char *>(0, nullptr),
 			.type = row.col<const char *>(1, nullptr),
 			.value = { row.col<int>(2), row.col<int>(3) },
-			.protection = row.col<int>(4),
+			.protection = row.col<unsigned int>(4),
 		});
 	} catch (Exception & e) {
 		return ObjectFactory::create_object(name.c_str());
diff --git a/frontend/cmd/go.cpp b/frontend/cmd/go.cpp
index b8bb7e2..6fb9105 100644
--- a/frontend/cmd/go.cpp
+++ b/frontend/cmd/go.cpp
@@ -14,11 +14,10 @@ static const unordered_map<string, Direction> direction_map = {
 	{ "west",  Direction::WEST },
 };
 
-void GameController::cmd_go(string & argv) {
-	string direction_str = str_consume_arg(argv);
+void GameController::cmd_go(string & direction_str) {
 	if (direction_str.size() == 0)
 		throw Exception("dit commando heeft nog een argument met een richting nodig");
-	if (!direction_map.contains(direction_str))
+	if (!direction_map.contains(str_lower(direction_str)))
 		throw Exception("onbekende richting \"%s\", probeer noord|zuid|oost|west", direction_str.c_str());
 
 	Player & player = this->dungeon->get_player();