From 978ccdf2644bc445c864dbe581ead365b238cff8 Mon Sep 17 00:00:00 2001
From: Daniel Karbach <daniel.karbach@localhorst.tv>
Date: Fri, 12 Oct 2012 20:55:03 +0200
Subject: [PATCH] made targetless camera possible

also removed target dummy of map state which is no longer needed
---
 src/graphics/Camera.cpp | 13 ++++++++-----
 src/map/MapState.cpp    |  3 +--
 src/map/MapState.h      |  1 -
 3 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/src/graphics/Camera.cpp b/src/graphics/Camera.cpp
index a0773db..e882eb1 100644
--- a/src/graphics/Camera.cpp
+++ b/src/graphics/Camera.cpp
@@ -15,20 +15,23 @@ namespace graphics {
 
 Camera::Camera(int width, int height, const Vector<float> *target)
 : target(target), halfWidth(width / 2), halfHeight(height / 2) {
-	assert(target && "construct camera without target");
+
 }
 
 
 void Camera::SetTarget(const Vector<float> *t) {
-	assert(t && "cannot change camera target to 0");
 	target = t;
 }
 
 
 Vector<int> Camera::CalculateOffset() const {
-	return Vector<int>(
-			(target->X() - halfWidth) * -1,
-			(target->Y() - halfHeight) * -1);
+	if (target) {
+		return Vector<int>(
+				(target->X() - halfWidth) * -1,
+				(target->Y() - halfHeight) * -1);
+	} else {
+		return Vector<int>();
+	}
 }
 
 }
diff --git a/src/map/MapState.cpp b/src/map/MapState.cpp
index d50cda6..e1b3e1f 100644
--- a/src/map/MapState.cpp
+++ b/src/map/MapState.cpp
@@ -35,8 +35,7 @@ MapState::MapState(GameConfig *g, Map *map)
 , map(map)
 , controlled(0)
 , pushed(0)
-, tempTarget(20, 20)
-, camera(100, 100, &tempTarget)
+, camera(100, 100, 0)
 , walkingSpeed(64)
 , nextDirection(-1)
 , afterLock(false)
diff --git a/src/map/MapState.h b/src/map/MapState.h
index c565632..0ca5a84 100644
--- a/src/map/MapState.h
+++ b/src/map/MapState.h
@@ -72,7 +72,6 @@ private:
 	Entity *controlled;
 	Entity *pushed;
 	app::Timer<float> moveTimer;
-	geometry::Vector<float> tempTarget;
 	geometry::Vector<int> lastLock;
 	graphics::Camera camera;
 	std::vector<Entity *> entities;
-- 
2.39.2