4 files changed, 400 insertions, 400 deletions
diff --git a/src/game-server/collisiondetection.cpp b/src/game-server/collisiondetection.cpp
index b6cf47ff..e40a556d 100644
--- a/src/game-server/collisiondetection.cpp
+++ b/src/game-server/collisiondetection.cpp
@@ -1,195 +1,195 @@
-/*
- *  The Mana World Server
- *  Copyright 2004 The Mana World Development Team
- *
- *  This file is part of The Mana World.
- *
- *  The Mana World  is free software; you can redistribute  it and/or modify it
- *  under the terms of the GNU General  Public License as published by the Free
- *  Software Foundation; either version 2 of the License, or any later version.
- *
- *  The Mana  World is  distributed in  the hope  that it  will be  useful, but
- *  WITHOUT ANY WARRANTY; without even  the implied warranty of MERCHANTABILITY
- *  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- *  more details.
- *
- *  You should  have received a  copy of the  GNU General Public  License along
- *  with The Mana  World; if not, write to the  Free Software Foundation, Inc.,
- *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- *  $Id: $
- */
-
-#include "collisiondetection.hpp"
-
-#include <cmath>
-
-#include "point.h"
-#include "utils/mathutils.h"
-
-bool
-Collision::circleWithCirclesector(const Point &circlePos, int circleRadius,
-                                  const Point &secPos, int secRadius,
-                                  float secAngle, float secSize)
-{
-    float targetAngle;
-
-    // Calculate distance
-    int distX = circlePos.x - secPos.x;
-    int distY = circlePos.y - secPos.y;
-    float invDist = utils::math::fastInvSqrt(distX * distX + distY * distY);
-    float dist = 1.0f / invDist;
-
-    // If out of range we can't hit it
-    if (dist > secRadius + circleRadius) {
-        return false;
-    }
-    // If we are standing in it we hit it in any case
-    if (dist < circleRadius) {
-        return true;
-    }
-
-    // Calculate target angle
-    if (distX > 0)
-    {
-        targetAngle = asin(-distY * invDist);
-    } else {
-        if (distY < 0)
-        {
-            targetAngle = M_PI - asin(-distY * invDist);
-        } else {
-            targetAngle = -M_PI - asin(-distY * invDist);
-        }
-
-    }
-
-    // Calculate difference from segment angle
-    float targetDiff = fabs(targetAngle - secAngle);
-    if (targetDiff > M_PI)
-    {
-        targetDiff = fabs(targetDiff - M_PI * 2);
-    }
-
-
-    // Add hit circle
-    secSize += asin(circleRadius * invDist) * 2;
-
-    return (targetDiff < secSize * 0.5f);
-}
-
-/**
- * Collision of a Disk with a Circle-Sector
- *
- * For a detailled explanation of this function please see:
- * http://wiki.themanaworld.org/index.php/Collision_determination
- */
-bool
-Collision::diskWithCircleSector(const Point &diskCenter, int diskRadius,
-                                const Point &sectorCenter, int sectorRadius,
-                                int halfTopAngle, int placeAngle)
-{
-    // Converting the radii to float
-    float R = (float) sectorRadius;
-    float Rp = (float) diskRadius;
-
-    // Transform to the primary coordinate system
-    float Px = diskCenter.x - sectorCenter.x;
-    float Py = diskCenter.y - sectorCenter.y;
-
-    // The values of the trigonomic functions (only have to be computed once)
-    float sinAlpha = utils::math::cachedSin(halfTopAngle);
-    float cosAlpha = utils::math::cachedCos(halfTopAngle);
-    float sinBeta  = utils::math::cachedSin(placeAngle);
-    float cosBeta  = utils::math::cachedCos(placeAngle);
-
-    /**
-     * This bounding circle implementation can be used up and until a
-     * half-top-angle of +/- 85 degrees. The bounding circle becomes
-     * infinitly large at 90 degrees. Above about 60 degrees a bounding
-     * half-circle with radius R becomes more efficient.
-     * (The additional check for a region 1 collision can then be scrapped.)
-     */
-
-    // Calculating the coordinates of the disk's center in coordinate system 4
-    float Px1 = Px * cosBeta + Py * sinBeta;
-    float Py1 = Py * cosBeta - Px * sinBeta;
-
-    // Check for an intersection with the bounding circle
-    // (>) : touching is accepted
-    if ((cosAlpha * Px1 * Px1 + cosAlpha * Py1 * Py1 - Px1 * R)
-                                > (Rp * Rp * cosAlpha + Rp * R)) return false;
-
-    // Check for a region 4 collision
-    if ((Px*Px + Py*Py) <=  (Rp*Rp)) return true;
-
-    // Calculating the coordinates of the disk's center in coordinate system 1
-    Px1 = Px * (cosAlpha * cosBeta + sinAlpha * sinBeta)
-        + Py * (cosAlpha * sinBeta - sinAlpha * cosBeta);
-    Py1 = Py * (cosAlpha * cosBeta + sinAlpha * sinBeta)
-        - Px * (cosAlpha * sinBeta - sinAlpha * cosBeta);
-
-    // Check if P is in region 5 (using coordinate system 1)
-    if ((Px1 >= 0.0f) && (Px1 <= R) && (Py1 <= 0.0f))
-    {
-        // Return true on intersection, false otherwise
-        // (>=) : touching  is accepted
-        return (Py1 >= -1.0f * Rp);
-    }
-
-    // Check if P is in region 3 (using coordinate system 1)
-    if ((Px1 > R) && (Py1 <= 0.0f))
-    {
-        // Calculating the vector from point A to the disk center
-        float distAx = Px - R * (cosAlpha * cosBeta + sinAlpha * sinBeta);
-        float distAy = Py - R * (cosAlpha * sinBeta - sinAlpha * cosBeta);
-
-        // Check for a region 3 collision
-        return ((distAx * distAx + distAy * distAy) <= Rp * Rp);
-    }
-
-    // Discard, if P is in region 4 (was previously checked)
-    if ((Px1 < 0.0f) && (Py1 <= 0.0f)) return false;
-
-    float tan2Alpha = utils::math::cachedTan(2 * halfTopAngle);
-
-    // Check if P is in region 1 (using coordinate system 1)
-    if ((Px1 >= 0.0f) && (Py1 >= 0.0f) && (Py1 <= Px1 * tan2Alpha))
-    {
-        // Return true on intersection, false otherwise
-        // (<=) : touching  is accepted
-        return ((Px * Px + Py * Py) <= (R * R + Rp * Rp + 2.0f * R * Rp));
-    }
-
-    // Calculating the coordinates of the disk's center in coordinate system 3
-    Px1 = Px * (cosAlpha * cosBeta - sinAlpha * sinBeta)
-        + Py * (sinAlpha * cosBeta + cosAlpha * sinBeta);
-    Py1 = Py * (cosAlpha * cosBeta - sinAlpha * sinBeta)
-        - Px * (sinAlpha * cosBeta + cosAlpha * sinBeta);
-
-    // Discard, if P is in region 4 (was previously checked)
-    if ((Px1 < 0.0f) && (Py1 >= 0.0f)) return false;
-
-    // Check if P is in region 6 (using coordinate system 3)
-    if ((Px1 >= 0.0f) && (Px1 <= R) && (Py1 >= 0.0f))
-    {
-        // Return true on intersection, false otherwise
-        // (<=) : touching  is accepted
-        return (Py1 <= Rp);
-    }
-
-    // Check if P is in region 2 (using coordinate system 3)
-    if ((Px1 > R) && (Py1 <= 0.0f))
-    {
-        // Calculating the vector from point B to the disk center
-        float distBx = Px - R * (cosAlpha * cosBeta - sinAlpha * sinBeta);
-        float distBy = Py - R * (cosAlpha * sinBeta + sinAlpha * cosBeta);
-
-        // Check for a region 2 collision
-        return ((distBx * distBx + distBy * distBy) <= (Rp * Rp));
-    }
-
-    // The intersection with the bounding circle is in region 4,
-    // but the disk and circle sector don't intersect.
-    return false;
-}
-
+/*
+ *  The Mana World Server
+ *  Copyright 2004 The Mana World Development Team
+ *
+ *  This file is part of The Mana World.
+ *
+ *  The Mana World  is free software; you can redistribute  it and/or modify it
+ *  under the terms of the GNU General  Public License as published by the Free
+ *  Software Foundation; either version 2 of the License, or any later version.
+ *
+ *  The Mana  World is  distributed in  the hope  that it  will be  useful, but
+ *  WITHOUT ANY WARRANTY; without even  the implied warranty of MERCHANTABILITY
+ *  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ *  more details.
+ *
+ *  You should  have received a  copy of the  GNU General Public  License along
+ *  with The Mana  World; if not, write to the  Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ *  $Id: $
+ */
+
+#include "collisiondetection.hpp"
+
+#include <cmath>
+
+#include "point.h"
+#include "utils/mathutils.h"
+
+bool
+Collision::circleWithCirclesector(const Point &circlePos, int circleRadius,
+                                  const Point &secPos, int secRadius,
+                                  float secAngle, float secSize)
+{
+    float targetAngle;
+
+    // Calculate distance
+    int distX = circlePos.x - secPos.x;
+    int distY = circlePos.y - secPos.y;
+    float invDist = utils::math::fastInvSqrt(distX * distX + distY * distY);
+    float dist = 1.0f / invDist;
+
+    // If out of range we can't hit it
+    if (dist > secRadius + circleRadius) {
+        return false;
+    }
+    // If we are standing in it we hit it in any case
+    if (dist < circleRadius) {
+        return true;
+    }
+
+    // Calculate target angle
+    if (distX > 0)
+    {
+        targetAngle = asin(-distY * invDist);
+    } else {
+        if (distY < 0)
+        {
+            targetAngle = M_PI - asin(-distY * invDist);
+        } else {
+            targetAngle = -M_PI - asin(-distY * invDist);
+        }
+
+    }
+
+    // Calculate difference from segment angle
+    float targetDiff = fabs(targetAngle - secAngle);
+    if (targetDiff > M_PI)
+    {
+        targetDiff = fabs(targetDiff - M_PI * 2);
+    }
+
+
+    // Add hit circle
+    secSize += asin(circleRadius * invDist) * 2;
+
+    return (targetDiff < secSize * 0.5f);
+}
+
+/**
+ * Collision of a Disk with a Circle-Sector
+ *
+ * For a detailled explanation of this function please see:
+ * http://wiki.themanaworld.org/index.php/Collision_determination
+ */
+bool
+Collision::diskWithCircleSector(const Point &diskCenter, int diskRadius,
+                                const Point &sectorCenter, int sectorRadius,
+                                int halfTopAngle, int placeAngle)
+{
+    // Converting the radii to float
+    float R = (float) sectorRadius;
+    float Rp = (float) diskRadius;
+
+    // Transform to the primary coordinate system
+    float Px = diskCenter.x - sectorCenter.x;
+    float Py = diskCenter.y - sectorCenter.y;
+
+    // The values of the trigonomic functions (only have to be computed once)
+    float sinAlpha = utils::math::cachedSin(halfTopAngle);
+    float cosAlpha = utils::math::cachedCos(halfTopAngle);
+    float sinBeta  = utils::math::cachedSin(placeAngle);
+    float cosBeta  = utils::math::cachedCos(placeAngle);
+
+    /**
+     * This bounding circle implementation can be used up and until a
+     * half-top-angle of +/- 85 degrees. The bounding circle becomes
+     * infinitly large at 90 degrees. Above about 60 degrees a bounding
+     * half-circle with radius R becomes more efficient.
+     * (The additional check for a region 1 collision can then be scrapped.)
+     */
+
+    // Calculating the coordinates of the disk's center in coordinate system 4
+    float Px1 = Px * cosBeta + Py * sinBeta;
+    float Py1 = Py * cosBeta - Px * sinBeta;
+
+    // Check for an intersection with the bounding circle
+    // (>) : touching is accepted
+    if ((cosAlpha * Px1 * Px1 + cosAlpha * Py1 * Py1 - Px1 * R)
+                                > (Rp * Rp * cosAlpha + Rp * R)) return false;
+
+    // Check for a region 4 collision
+    if ((Px*Px + Py*Py) <=  (Rp*Rp)) return true;
+
+    // Calculating the coordinates of the disk's center in coordinate system 1
+    Px1 = Px * (cosAlpha * cosBeta + sinAlpha * sinBeta)
+        + Py * (cosAlpha * sinBeta - sinAlpha * cosBeta);
+    Py1 = Py * (cosAlpha * cosBeta + sinAlpha * sinBeta)
+        - Px * (cosAlpha * sinBeta - sinAlpha * cosBeta);
+
+    // Check if P is in region 5 (using coordinate system 1)
+    if ((Px1 >= 0.0f) && (Px1 <= R) && (Py1 <= 0.0f))
+    {
+        // Return true on intersection, false otherwise
+        // (>=) : touching  is accepted
+        return (Py1 >= -1.0f * Rp);
+    }
+
+    // Check if P is in region 3 (using coordinate system 1)
+    if ((Px1 > R) && (Py1 <= 0.0f))
+    {
+        // Calculating the vector from point A to the disk center
+        float distAx = Px - R * (cosAlpha * cosBeta + sinAlpha * sinBeta);
+        float distAy = Py - R * (cosAlpha * sinBeta - sinAlpha * cosBeta);
+
+        // Check for a region 3 collision
+        return ((distAx * distAx + distAy * distAy) <= Rp * Rp);
+    }
+
+    // Discard, if P is in region 4 (was previously checked)
+    if ((Px1 < 0.0f) && (Py1 <= 0.0f)) return false;
+
+    float tan2Alpha = utils::math::cachedTan(2 * halfTopAngle);
+
+    // Check if P is in region 1 (using coordinate system 1)
+    if ((Px1 >= 0.0f) && (Py1 >= 0.0f) && (Py1 <= Px1 * tan2Alpha))
+    {
+        // Return true on intersection, false otherwise
+        // (<=) : touching  is accepted
+        return ((Px * Px + Py * Py) <= (R * R + Rp * Rp + 2.0f * R * Rp));
+    }
+
+    // Calculating the coordinates of the disk's center in coordinate system 3
+    Px1 = Px * (cosAlpha * cosBeta - sinAlpha * sinBeta)
+        + Py * (sinAlpha * cosBeta + cosAlpha * sinBeta);
+    Py1 = Py * (cosAlpha * cosBeta - sinAlpha * sinBeta)
+        - Px * (sinAlpha * cosBeta + cosAlpha * sinBeta);
+
+    // Discard, if P is in region 4 (was previously checked)
+    if ((Px1 < 0.0f) && (Py1 >= 0.0f)) return false;
+
+    // Check if P is in region 6 (using coordinate system 3)
+    if ((Px1 >= 0.0f) && (Px1 <= R) && (Py1 >= 0.0f))
+    {
+        // Return true on intersection, false otherwise
+        // (<=) : touching  is accepted
+        return (Py1 <= Rp);
+    }
+
+    // Check if P is in region 2 (using coordinate system 3)
+    if ((Px1 > R) && (Py1 <= 0.0f))
+    {
+        // Calculating the vector from point B to the disk center
+        float distBx = Px - R * (cosAlpha * cosBeta - sinAlpha * sinBeta);
+        float distBy = Py - R * (cosAlpha * sinBeta + sinAlpha * cosBeta);
+
+        // Check for a region 2 collision
+        return ((distBx * distBx + distBy * distBy) <= (Rp * Rp));
+    }
+
+    // The intersection with the bounding circle is in region 4,
+    // but the disk and circle sector don't intersect.
+    return false;
+}
+
diff --git a/src/game-server/collisiondetection.hpp b/src/game-server/collisiondetection.hpp
index bfbab413..82169db0 100644
--- a/src/game-server/collisiondetection.hpp
+++ b/src/game-server/collisiondetection.hpp
@@ -1,52 +1,52 @@
-/*
- *  The Mana World Server
- *  Copyright 2004 The Mana World Development Team
- *
- *  This file is part of The Mana World.
- *
- *  The Mana World  is free software; you can redistribute  it and/or modify it
- *  under the terms of the GNU General  Public License as published by the Free
- *  Software Foundation; either version 2 of the License, or any later version.
- *
- *  The Mana  World is  distributed in  the hope  that it  will be  useful, but
- *  WITHOUT ANY WARRANTY; without even  the implied warranty of MERCHANTABILITY
- *  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- *  more details.
- *
- *  You should  have received a  copy of the  GNU General Public  License along
- *  with The Mana  World; if not, write to the  Free Software Foundation, Inc.,
- *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- *  $Id: $
- */
-
-#ifndef _TMW_COLLISIONDETECTION_H
-#define _TMW_COLLISIONDETECTION_H
-
-class Point;
-
-/**
- * This namespace collects all needed collision detection functions
- */
-namespace Collision
-{
-
-    bool
-    circleWithCirclesector(const Point &circlePos, int circleRadius,
-                           const Point &secPos, int secRadius,
-                           float secAngle, float secSize);
-    /**
-     * Checks if a disk and a circle-sector collide
-     *
-     * @param halfTopAngle
-     *        The half-top-angle of the circle sector in degrees (0,359).
-     * @param placeAngle
-     *        The placement-angle of the circle sector in degrees (0,359).
-     */
-    bool
-    diskWithCircleSector(const Point &diskCenter, int diskRadius,
-                         const Point &sectorCenter, int sectorRadius,
-                         int halfTopAngle, int placeAngle);
-}
-
-#endif
+/*
+ *  The Mana World Server
+ *  Copyright 2004 The Mana World Development Team
+ *
+ *  This file is part of The Mana World.
+ *
+ *  The Mana World  is free software; you can redistribute  it and/or modify it
+ *  under the terms of the GNU General  Public License as published by the Free
+ *  Software Foundation; either version 2 of the License, or any later version.
+ *
+ *  The Mana  World is  distributed in  the hope  that it  will be  useful, but
+ *  WITHOUT ANY WARRANTY; without even  the implied warranty of MERCHANTABILITY
+ *  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ *  more details.
+ *
+ *  You should  have received a  copy of the  GNU General Public  License along
+ *  with The Mana  World; if not, write to the  Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ *  $Id: $
+ */
+
+#ifndef _TMW_COLLISIONDETECTION_H
+#define _TMW_COLLISIONDETECTION_H
+
+class Point;
+
+/**
+ * This namespace collects all needed collision detection functions
+ */
+namespace Collision
+{
+
+    bool
+    circleWithCirclesector(const Point &circlePos, int circleRadius,
+                           const Point &secPos, int secRadius,
+                           float secAngle, float secSize);
+    /**
+     * Checks if a disk and a circle-sector collide
+     *
+     * @param halfTopAngle
+     *        The half-top-angle of the circle sector in degrees (0,359).
+     * @param placeAngle
+     *        The placement-angle of the circle sector in degrees (0,359).
+     */
+    bool
+    diskWithCircleSector(const Point &diskCenter, int diskRadius,
+                         const Point &sectorCenter, int sectorRadius,
+                         int halfTopAngle, int placeAngle);
+}
+
+#endif
diff --git a/src/utils/mathutils.cpp b/src/utils/mathutils.cpp
index 407bba7f..59e35a22 100644
--- a/src/utils/mathutils.cpp
+++ b/src/utils/mathutils.cpp
@@ -1,99 +1,99 @@
-/*
- *  The Mana World Server
- *  Copyright 2004 The Mana World Development Team
- *
- *  This file is part of The Mana World.
- *
- *  The Mana World  is free software; you can redistribute  it and/or modify it
- *  under the terms of the GNU General  Public License as published by the Free
- *  Software Foundation; either version 2 of the License, or any later version.
- *
- *  The Mana  World is  distributed in  the hope  that it  will be  useful, but
- *  WITHOUT ANY WARRANTY; without even  the implied warranty of MERCHANTABILITY
- *  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- *  more details.
- *
- *  You should  have received a  copy of the  GNU General Public  License along
- *  with The Mana  World; if not, write to the  Free Software Foundation, Inc.,
- *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- *  $Id: $
- */
-
-#include "mathutils.h"
-
-#include <cmath>
-#include <float.h>
-
-#define MATH_UTILS_MAX_ANGLE 360
-
-float sinList[MATH_UTILS_MAX_ANGLE];
-float cosList[MATH_UTILS_MAX_ANGLE];
-float tanList[MATH_UTILS_MAX_ANGLE];
-
-/*
- * A very fast function to calculate the approximate inverse square root of a
- * floating point value. For an explanation of the inverse squareroot function
- * read:
- * http://www.math.purdue.edu/~clomont/Math/Papers/2003/InvSqrt.pdf
- *
- * Unfortunately the original creator of this function seems to be unknown.
- *
- * TODO: - Make this function run on 64-bit architectures
- *       - Find out and fix why this function fails when compiled with the -O2
- *         optimization flag on
- *         gcc version 4.0.2 20050808 (prerelease) (Ubuntu 4.0.1-4ubuntu9).
- */
-float utils::math::fastInvSqrt(float x)
-{
-    float xhalf = 0.5f * x;
-    int i = *(int*) &x;
-    i = 0x5f375a86 - (i >> 1);
-    x = *(float*) &i;
-    x = x * (1.5f-xhalf * x * x);
-    return x;
-}
-
-float utils::math::fastSqrt(float x)
-{
-    return 1.0f / utils::math::fastInvSqrt(x);
-}
-
-void utils::math::init()
-{
-    // Constant for calculating an angle in radians out of an angle in degrees
-    const float radianAngleRatio = M_PI_2 / 90.0f; // pi/2 / 90[deg]
-
-    for (int i = 0; i < MATH_UTILS_MAX_ANGLE; i++)
-    {
-        sinList[i] = sin(radianAngleRatio * (float) i);
-        cosList[i] = cos(radianAngleRatio * (float) i);
-
-        if (i == 90)
-        {
-            tanList[i] = FLT_MAX; // approximately infinity
-            continue;
-        }
-        if (i == 270)
-        {
-            tanList[i] = -FLT_MAX; // approximately infinity
-            continue;
-        }
-        tanList[i] = tan(radianAngleRatio * (float) i);
-    }
-}
-
-float utils::math::cachedSin(int angle)
-{
-    return sinList[angle];
-}
-
-float utils::math::cachedCos(int angle)
-{
-    return cosList[angle];
-}
-
-float utils::math::cachedTan(int angle)
-{
-    return tanList[angle];
-}
+/*
+ *  The Mana World Server
+ *  Copyright 2004 The Mana World Development Team
+ *
+ *  This file is part of The Mana World.
+ *
+ *  The Mana World  is free software; you can redistribute  it and/or modify it
+ *  under the terms of the GNU General  Public License as published by the Free
+ *  Software Foundation; either version 2 of the License, or any later version.
+ *
+ *  The Mana  World is  distributed in  the hope  that it  will be  useful, but
+ *  WITHOUT ANY WARRANTY; without even  the implied warranty of MERCHANTABILITY
+ *  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ *  more details.
+ *
+ *  You should  have received a  copy of the  GNU General Public  License along
+ *  with The Mana  World; if not, write to the  Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ *  $Id: $
+ */
+
+#include "mathutils.h"
+
+#include <cmath>
+#include <float.h>
+
+#define MATH_UTILS_MAX_ANGLE 360
+
+float sinList[MATH_UTILS_MAX_ANGLE];
+float cosList[MATH_UTILS_MAX_ANGLE];
+float tanList[MATH_UTILS_MAX_ANGLE];
+
+/*
+ * A very fast function to calculate the approximate inverse square root of a
+ * floating point value. For an explanation of the inverse squareroot function
+ * read:
+ * http://www.math.purdue.edu/~clomont/Math/Papers/2003/InvSqrt.pdf
+ *
+ * Unfortunately the original creator of this function seems to be unknown.
+ *
+ * TODO: - Make this function run on 64-bit architectures
+ *       - Find out and fix why this function fails when compiled with the -O2
+ *         optimization flag on
+ *         gcc version 4.0.2 20050808 (prerelease) (Ubuntu 4.0.1-4ubuntu9).
+ */
+float utils::math::fastInvSqrt(float x)
+{
+    float xhalf = 0.5f * x;
+    int i = *(int*) &x;
+    i = 0x5f375a86 - (i >> 1);
+    x = *(float*) &i;
+    x = x * (1.5f-xhalf * x * x);
+    return x;
+}
+
+float utils::math::fastSqrt(float x)
+{
+    return 1.0f / utils::math::fastInvSqrt(x);
+}
+
+void utils::math::init()
+{
+    // Constant for calculating an angle in radians out of an angle in degrees
+    const float radianAngleRatio = M_PI_2 / 90.0f; // pi/2 / 90[deg]
+
+    for (int i = 0; i < MATH_UTILS_MAX_ANGLE; i++)
+    {
+        sinList[i] = sin(radianAngleRatio * (float) i);
+        cosList[i] = cos(radianAngleRatio * (float) i);
+
+        if (i == 90)
+        {
+            tanList[i] = FLT_MAX; // approximately infinity
+            continue;
+        }
+        if (i == 270)
+        {
+            tanList[i] = -FLT_MAX; // approximately infinity
+            continue;
+        }
+        tanList[i] = tan(radianAngleRatio * (float) i);
+    }
+}
+
+float utils::math::cachedSin(int angle)
+{
+    return sinList[angle];
+}
+
+float utils::math::cachedCos(int angle)
+{
+    return cosList[angle];
+}
+
+float utils::math::cachedTan(int angle)
+{
+    return tanList[angle];
+}
diff --git a/src/utils/mathutils.h b/src/utils/mathutils.h
index 31f48805..222ccc15 100644
--- a/src/utils/mathutils.h
+++ b/src/utils/mathutils.h
@@ -1,54 +1,54 @@
-/*
- *  The Mana World Server
- *  Copyright 2004 The Mana World Development Team
- *
- *  This file is part of The Mana World.
- *
- *  The Mana World  is free software; you can redistribute  it and/or modify it
- *  under the terms of the GNU General  Public License as published by the Free
- *  Software Foundation; either version 2 of the License, or any later version.
- *
- *  The Mana  World is  distributed in  the hope  that it  will be  useful, but
- *  WITHOUT ANY WARRANTY; without even  the implied warranty of MERCHANTABILITY
- *  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- *  more details.
- *
- *  You should  have received a  copy of the  GNU General Public  License along
- *  with The Mana  World; if not, write to the  Free Software Foundation, Inc.,
- *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- *  $Id: $
- */
-
-#ifndef _TMWSERV_MATHUTILS_H_
-#define _TMWSERV_MATHUTILS_H_
-
-namespace utils
-{
-    namespace math
-    {
-        /**
-         * A very fast function to calculate the approximate inverse square
-         * root of a floating point value.
-         */
-        float fastInvSqrt(float x);
-
-        /**
-         * A helper function that uses the fastInvSqrt for getting the
-         * normal squareroot.
-         */
-        float fastSqrt(float x);
-
-        float cachedSin(int angle);
-
-        float cachedCos(int angle);
-
-        float cachedTan(int angle);
-
-        void init();
-
-    } // namespace math
-
-} // namespace utils
-
-#endif
+/*
+ *  The Mana World Server
+ *  Copyright 2004 The Mana World Development Team
+ *
+ *  This file is part of The Mana World.
+ *
+ *  The Mana World  is free software; you can redistribute  it and/or modify it
+ *  under the terms of the GNU General  Public License as published by the Free
+ *  Software Foundation; either version 2 of the License, or any later version.
+ *
+ *  The Mana  World is  distributed in  the hope  that it  will be  useful, but
+ *  WITHOUT ANY WARRANTY; without even  the implied warranty of MERCHANTABILITY
+ *  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ *  more details.
+ *
+ *  You should  have received a  copy of the  GNU General Public  License along
+ *  with The Mana  World; if not, write to the  Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ *  $Id: $
+ */
+
+#ifndef _TMWSERV_MATHUTILS_H_
+#define _TMWSERV_MATHUTILS_H_
+
+namespace utils
+{
+    namespace math
+    {
+        /**
+         * A very fast function to calculate the approximate inverse square
+         * root of a floating point value.
+         */
+        float fastInvSqrt(float x);
+
+        /**
+         * A helper function that uses the fastInvSqrt for getting the
+         * normal squareroot.
+         */
+        float fastSqrt(float x);
+
+        float cachedSin(int angle);
+
+        float cachedCos(int angle);
+
+        float cachedTan(int angle);
+
+        void init();
+
+    } // namespace math
+
+} // namespace utils
+
+#endif