Added rotating shield gadget.

resources/yaml/rotating_shield.yaml

@@ -0,0 +1,3 @@
+name: Shield
+texture: shield.png
+size: [75, 5]

source/Game.cpp

@@ -11,6 +11,7 @@
 
 #include "generator/Generator.h"
 #include "items/Heal.h"
+#include "items/Shield.h"
 #include "sprites/Enemy.h"
 #include "sprites/Player.h"
 #include "util/Yaml.h"
@@ -33,7 +34,7 @@ Game::Game(tgui::Window& window) :
 	mPlayer = std::shared_ptr<Player>(new Player(mWorld, mPathfinder,
 			mGenerator.getPlayerSpawn()));
 	mPlayer->setLeftGadget(std::shared_ptr<Gadget>(new Heal()));
-	mPlayer->setRightGadget(std::shared_ptr<Gadget>(new Heal()));
+	mPlayer->setRightGadget(std::shared_ptr<Gadget>(new Shield()));
 	mWorld.insertCharacter(mPlayer);
 
 	mHealth = window.add<tgui::Label>();

source/World.cpp

@@ -156,7 +156,7 @@ World::raycast(const sf::Vector2f& lineStart,
 	assert(lineStart != lineEnd);
 	sf::Vector2f lineCenter = lineStart + 0.5f * (lineEnd - lineStart);
 	for (const auto& it : mDrawables.at(Sprite::Category::CATEGORY_WORLD)) {
-		if (dynamic_cast<Tile*>(it.get())->getType() != Tile::Type::WALL)
+		if (!it->collisionEnabled(Sprite::CATEGORY_ACTOR))
 			continue;
 		sf::Vector2f axis = it->getPosition() - lineCenter;
 		if (axis == sf::Vector2f())

source/abstract/Character.h

@@ -68,6 +68,8 @@ private:
 	void move();
 
 private:
+	friend class Shield;
+
 	/// Distance to a path point where it will be considered as reached (to
 	/// avoid floating point equality check).
 	static const float POINT_REACHED_DISTANCE;

source/abstract/Sprite.cpp

@@ -56,7 +56,7 @@ Sprite::getSpeed() const {
  */
 sf::Vector2f
 Sprite::getDirection() const {
-	return thor::rotatedVector(sf::Vector2f(1, 0), mShape.getRotation());
+	return thor::rotatedVector(sf::Vector2f(0, - 1), mShape.getRotation());
 }
 
 /**

source/items/Shield.cpp

@@ -0,0 +1,36 @@
+/*
+ * Shield.cpp
+ *
+ *  Created on: 06.07.2013
+ *      Author: Felix
+ */
+
+#include "Shield.h"
+
+#include "../abstract/Character.h"
+#include "../sprites/RotatingShield.h"
+#include "../World.h"
+
+void
+Shield::onUse(Character& character) {
+	mCharacter = &character;
+	if (mRotatingShield)
+		mRotatingShield->setDelete(true);
+	sf::Vector2f offset = mCharacter->getDirection() * mCharacter->getRadius();
+	mRotatingShield = std::shared_ptr<RotatingShield>(
+			new RotatingShield(mCharacter->getPosition() + offset));
+	mCharacter->mWorld.insert(mRotatingShield);
+}
+
+void
+Shield::onThink(int elapsed) {
+	if (mRotatingShield) {
+		mRotatingShield->setDirection(mCharacter->getPosition() -
+				mRotatingShield->getPosition());
+	}
+}
+
+sf::Time
+Shield::getCooldownTime() {
+	return sf::seconds(10);
+}

source/items/Shield.h

@@ -0,0 +1,27 @@
+/*
+ * Shield.h
+ *
+ *  Created on: 06.07.2013
+ *      Author: Felix
+ */
+
+#ifndef DG_SHIELD_H_
+#define DG_SHIELD_H_
+
+#include "Gadget.h"
+
+class RotatingShield;
+class Sprite;
+
+class Shield : public Gadget {
+protected:
+	void onUse(Character& character) override;
+	void onThink(int elapsed) override;
+	sf::Time getCooldownTime() override;
+
+private:
+	Character* mCharacter;
+	std::shared_ptr<RotatingShield> mRotatingShield;
+};
+
+#endif /* DG_SHIELD_H_ */

source/items/Weapon.cpp

@@ -148,18 +148,14 @@ Weapon::cancelReload() {
  */
 void
 Weapon::insertProjectile(float angle) {
-	// Minus to account for positive y-axis going downwards in SFML.
-	sf::Vector2f offset(0, - mHolder.getRadius());
-			thor::rotate(offset, thor::polarAngle(mHolder.getDirection()));
+	sf::Vector2f offset(mHolder.getDirection() * mHolder.getRadius());
 
 	float spread = (mHolder.getSpeed() == sf::Vector2f())
 			? mSpread
 			: mSpreadMoving;
 	std::uniform_real_distribution<float> distribution(- spread, spread);
-	angle += distribution(mGenerator);
+	angle += distribution(mGenerator) + 90.0f;
 
-	//float random = ((float) rand()) / (float) RAND_MAX;
-    //angle += random * 2 * mSpread - mSpread;
 	sf::Vector2f direction(thor::rotatedVector(mHolder.getDirection(), angle));
 
 	std::shared_ptr<Sprite> projectile(new Bullet(mHolder.getPosition() + offset,

source/sprites/RotatingShield.cpp

@@ -0,0 +1,15 @@
+/*
+ * RotatingShield.cpp
+ *
+ *  Created on: 06.07.2013
+ *      Author: Felix
+ */
+
+#include "RotatingShield.h"
+
+#include "../util/Yaml.h"
+
+RotatingShield::RotatingShield(const sf::Vector2f& position) :
+		Rectangle(position, CATEGORY_WORLD, MASK_ALL,
+				Yaml("rotating_shield.yaml")) {
+}

source/sprites/RotatingShield.h

@@ -0,0 +1,25 @@
+/*
+ * RotatingShield.h
+ *
+ *  Created on: 06.07.2013
+ *      Author: Felix
+ */
+
+#ifndef DG_ROTATINGSHIELD_H_
+#define DG_ROTATINGSHIELD_H_
+
+#include "../abstract/Rectangle.h"
+
+class RotatingShield : public Rectangle {
+public:
+	explicit RotatingShield(const sf::Vector2f& position);
+
+private:
+	using Sprite::setDelete;
+	using Sprite::setDirection;
+	using Sprite::getPosition;
+
+	friend class Shield;
+};
+
+#endif /* DG_ROTATINGSHIELD_H_ */

source/sprites/Tile.cpp

@@ -50,7 +50,8 @@ Tile::isSolid(Type type) {
 	switch (type) {
 	case Type::FLOOR:
 		return false;
-	case Type::WALL: // falltrough
+	case Type::WALL:
+		// falltrough
 	default:
 		return true;
 	}