Merge tag '7.1.7-release'

source for viewer 7.1.7.8974243247

1 files changed, 163 insertions, 163 deletions

diff --git a/indra/llmath/llcamera.h b/indra/llmath/llcamera.h
index c4d04f5d02..3b52810855 100644
--- a/indra/llmath/llcamera.h
+++ b/indra/llmath/llcamera.h
@@ -1,25 +1,25 @@
-/** 
+/**
  * @file llcamera.h
  * @brief Header file for the LLCamera class.
  *
  * $LicenseInfo:firstyear=2000&license=viewerlgpl$
  * Second Life Viewer Source Code
  * Copyright (C) 2010, Linden Research, Inc.
- * 
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation;
  * version 2.1 of the License only.
- * 
+ *
  * This library 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
  * Lesser General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
+ *
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
@@ -33,26 +33,26 @@
 #include "llplane.h"
 #include "llvector4a.h"
 
-const F32 DEFAULT_FIELD_OF_VIEW 	= 60.f * DEG_TO_RAD;
-const F32 DEFAULT_ASPECT_RATIO 		= 640.f / 480.f;
-const F32 DEFAULT_NEAR_PLANE 		= 0.25f;
-const F32 DEFAULT_FAR_PLANE 		= 64.f;	// far reaches across two horizontal, not diagonal, regions
+const F32 DEFAULT_FIELD_OF_VIEW     = 60.f * DEG_TO_RAD;
+const F32 DEFAULT_ASPECT_RATIO      = 640.f / 480.f;
+const F32 DEFAULT_NEAR_PLANE        = 0.25f;
+const F32 DEFAULT_FAR_PLANE         = 64.f; // far reaches across two horizontal, not diagonal, regions
 
-const F32 MAX_ASPECT_RATIO 	= 50.0f;
-const F32 MAX_NEAR_PLANE 	= 1023.9f; // Clamp the near plane just before the skybox ends
-const F32 MAX_FAR_PLANE 	= 100000.0f; //1000000.0f; // Max allowed. Not good Z precision though.
-const F32 MAX_FAR_CLIP		= 512.0f;
+const F32 MAX_ASPECT_RATIO  = 50.0f;
+const F32 MAX_NEAR_PLANE    = 1023.9f; // Clamp the near plane just before the skybox ends
+const F32 MAX_FAR_PLANE     = 100000.0f; //1000000.0f; // Max allowed. Not good Z precision though.
+const F32 MAX_FAR_CLIP      = 512.0f;
 
-const F32 MIN_ASPECT_RATIO 	= 0.02f;
-const F32 MIN_NEAR_PLANE 	= 0.1f;
-const F32 MIN_FAR_PLANE 	= 0.2f;
+const F32 MIN_ASPECT_RATIO  = 0.02f;
+const F32 MIN_NEAR_PLANE    = 0.1f;
+const F32 MIN_FAR_PLANE     = 0.2f;
 
 // Min/Max FOV values for square views. Call getMin/MaxView to get extremes based on current aspect ratio.
 static const F32 MIN_FIELD_OF_VIEW = 5.0f * DEG_TO_RAD;
 static const F32 MAX_FIELD_OF_VIEW = 175.f * DEG_TO_RAD;
 
 // An LLCamera is an LLCoorFrame with a view frustum.
-// This means that it has several methods for moving it around 
+// This means that it has several methods for moving it around
 // that are inherited from the LLCoordFrame() class :
 //
 // setOrigin(), setAxes()
@@ -62,163 +62,163 @@ static const F32 MAX_FIELD_OF_VIEW = 175.f * DEG_TO_RAD;
 
 LL_ALIGN_PREFIX(16)
 class LLCamera
-: 	public LLCoordFrame
+:   public LLCoordFrame
 {
 public:
-	
-	LLCamera(const LLCamera& rhs)
-	{
-		*this = rhs;
-	}
-	
-	enum {
-		PLANE_LEFT = 0,
-		PLANE_RIGHT = 1,
-		PLANE_BOTTOM = 2,
-		PLANE_TOP = 3,
-		PLANE_NUM = 4,
-		PLANE_MASK_NONE = 0xff		// Disable this plane
-	};
-	enum {
-		PLANE_LEFT_MASK = (1<<PLANE_LEFT),
-		PLANE_RIGHT_MASK = (1<<PLANE_RIGHT),
-		PLANE_BOTTOM_MASK = (1<<PLANE_BOTTOM),
-		PLANE_TOP_MASK = (1<<PLANE_TOP),
-		PLANE_ALL_MASK = 0xf,
-	};
-
-	enum
-	{	// Indexes to mAgentPlanes[] and mPlaneMask[]
-		AGENT_PLANE_LEFT = 0,
-		AGENT_PLANE_RIGHT = 1,
-		AGENT_PLANE_NEAR = 2,
-		AGENT_PLANE_BOTTOM = 3,
-		AGENT_PLANE_TOP = 4,
-		AGENT_PLANE_FAR = 5,
-		AGENT_PLANE_USER_CLIP = 6
-	};
-	enum
-	{	// Sizes for mAgentPlanes[].  7th entry is special case for user clip
-		AGENT_PLANE_NO_USER_CLIP_NUM = 6,
-		AGENT_PLANE_USER_CLIP_NUM = 7,
-		PLANE_MASK_NUM = 8			// 7 actually used, 8 is for alignment
-	};
-
-	enum
-	{
-		AGENT_FRUSTRUM_NUM = 8
-	};
-	
-	enum {
-		HORIZ_PLANE_LEFT = 0,
-		HORIZ_PLANE_RIGHT = 1,
-		HORIZ_PLANE_NUM = 2
-	};
-	enum {
-		HORIZ_PLANE_LEFT_MASK = (1<<HORIZ_PLANE_LEFT),
-		HORIZ_PLANE_RIGHT_MASK = (1<<HORIZ_PLANE_RIGHT),
-		HORIZ_PLANE_ALL_MASK = 0x3
-	};
+
+    LLCamera(const LLCamera& rhs)
+    {
+        *this = rhs;
+    }
+
+    enum {
+        PLANE_LEFT = 0,
+        PLANE_RIGHT = 1,
+        PLANE_BOTTOM = 2,
+        PLANE_TOP = 3,
+        PLANE_NUM = 4,
+        PLANE_MASK_NONE = 0xff      // Disable this plane
+    };
+    enum {
+        PLANE_LEFT_MASK = (1<<PLANE_LEFT),
+        PLANE_RIGHT_MASK = (1<<PLANE_RIGHT),
+        PLANE_BOTTOM_MASK = (1<<PLANE_BOTTOM),
+        PLANE_TOP_MASK = (1<<PLANE_TOP),
+        PLANE_ALL_MASK = 0xf,
+    };
+
+    enum
+    {   // Indexes to mAgentPlanes[] and mPlaneMask[]
+        AGENT_PLANE_LEFT = 0,
+        AGENT_PLANE_RIGHT = 1,
+        AGENT_PLANE_NEAR = 2,
+        AGENT_PLANE_BOTTOM = 3,
+        AGENT_PLANE_TOP = 4,
+        AGENT_PLANE_FAR = 5,
+        AGENT_PLANE_USER_CLIP = 6
+    };
+    enum
+    {   // Sizes for mAgentPlanes[].  7th entry is special case for user clip
+        AGENT_PLANE_NO_USER_CLIP_NUM = 6,
+        AGENT_PLANE_USER_CLIP_NUM = 7,
+        PLANE_MASK_NUM = 8          // 7 actually used, 8 is for alignment
+    };
+
+    enum
+    {
+        AGENT_FRUSTRUM_NUM = 8
+    };
+
+    enum {
+        HORIZ_PLANE_LEFT = 0,
+        HORIZ_PLANE_RIGHT = 1,
+        HORIZ_PLANE_NUM = 2
+    };
+    enum {
+        HORIZ_PLANE_LEFT_MASK = (1<<HORIZ_PLANE_LEFT),
+        HORIZ_PLANE_RIGHT_MASK = (1<<HORIZ_PLANE_RIGHT),
+        HORIZ_PLANE_ALL_MASK = 0x3
+    };
 
 private:
-	LL_ALIGN_16(LLPlane mAgentPlanes[AGENT_PLANE_USER_CLIP_NUM]);  //frustum planes in agent space a la gluUnproject (I'm a bastard, I know) - DaveP
-	LL_ALIGN_16(LLPlane mRegionPlanes[AGENT_PLANE_USER_CLIP_NUM]);  //frustum planes in a local region space, derived from mAgentPlanes
-	LL_ALIGN_16(LLPlane mLastAgentPlanes[AGENT_PLANE_USER_CLIP_NUM]);
-	U8 mPlaneMask[PLANE_MASK_NUM];         // 8 for alignment	
-	
-	F32 mView;					// angle between top and bottom frustum planes in radians.
-	F32 mAspect;				// width/height
-	S32 mViewHeightInPixels;	// for ViewHeightInPixels() only
-	F32 mNearPlane;
-	F32 mFarPlane;
-	F32 mFixedDistance;			// Always return this distance, unless < 0
-	LLVector3 mFrustCenter;		// center of frustum and radius squared for ultra-quick exclusion test
-	F32 mFrustRadiusSquared;
-	
-	U32 mPlaneCount;  //defaults to 6, if setUserClipPlane is called, uses user supplied clip plane in
-
-	LLVector3 mWorldPlanePos;		// Position of World Planes (may be offset from camera)
+    LL_ALIGN_16(LLPlane mAgentPlanes[AGENT_PLANE_USER_CLIP_NUM]);  //frustum planes in agent space a la gluUnproject (I'm a bastard, I know) - DaveP
+    LL_ALIGN_16(LLPlane mRegionPlanes[AGENT_PLANE_USER_CLIP_NUM]);  //frustum planes in a local region space, derived from mAgentPlanes
+    LL_ALIGN_16(LLPlane mLastAgentPlanes[AGENT_PLANE_USER_CLIP_NUM]);
+    U8 mPlaneMask[PLANE_MASK_NUM];         // 8 for alignment
+
+    F32 mView;                  // angle between top and bottom frustum planes in radians.
+    F32 mAspect;                // width/height
+    S32 mViewHeightInPixels;    // for ViewHeightInPixels() only
+    F32 mNearPlane;
+    F32 mFarPlane;
+    F32 mFixedDistance;         // Always return this distance, unless < 0
+    LLVector3 mFrustCenter;     // center of frustum and radius squared for ultra-quick exclusion test
+    F32 mFrustRadiusSquared;
+
+    U32 mPlaneCount;  //defaults to 6, if setUserClipPlane is called, uses user supplied clip plane in
+
+    LLVector3 mWorldPlanePos;       // Position of World Planes (may be offset from camera)
 public:
-	LLVector3 mAgentFrustum[AGENT_FRUSTRUM_NUM];  //8 corners of 6-plane frustum
-	F32	mFrustumCornerDist;		//distance to corner of frustum against far clip plane
-	LLPlane& getAgentPlane(U32 idx) { return mAgentPlanes[idx]; }
+    LLVector3 mAgentFrustum[AGENT_FRUSTRUM_NUM];  //8 corners of 6-plane frustum
+    F32 mFrustumCornerDist;     //distance to corner of frustum against far clip plane
+    LLPlane& getAgentPlane(U32 idx) { return mAgentPlanes[idx]; }
 
 public:
-	LLCamera();
-	LLCamera(F32 vertical_fov_rads, F32 aspect_ratio, S32 view_height_in_pixels, F32 near_plane, F32 far_plane);
-	virtual ~LLCamera();
-	
-	bool isChanged(); //check if mAgentPlanes changed since last frame.
+    LLCamera();
+    LLCamera(F32 vertical_fov_rads, F32 aspect_ratio, S32 view_height_in_pixels, F32 near_plane, F32 far_plane);
+    virtual ~LLCamera();
+
+    bool isChanged(); //check if mAgentPlanes changed since last frame.
 
     LLPlane getUserClipPlane();
-	void setUserClipPlane(LLPlane& plane);
-	void disableUserClipPlane();
-	virtual void setView(F32 vertical_fov_rads);
-	void setViewHeightInPixels(S32 height);
-	void setAspect(F32 new_aspect);
-	void setNear(F32 new_near);
-	void setFar(F32 new_far);
-
-	F32 getView() const							{ return mView; }				// vertical FOV in radians
-	S32 getViewHeightInPixels() const			{ return mViewHeightInPixels; }
-	F32 getAspect() const						{ return mAspect; }				// width / height
-	F32 getNear() const							{ return mNearPlane; }			// meters
-	F32 getFar() const							{ return mFarPlane; }			// meters
-
-	// The values returned by the min/max view getters depend upon the aspect ratio
-	// at the time they are called and therefore should not be cached.
-	F32 getMinView() const;
-	F32 getMaxView() const;
-	
-	F32 getYaw() const
-	{
-		return atan2f(mXAxis[VY], mXAxis[VX]);
-	}
-	F32 getPitch() const
-	{
-		F32 xylen = sqrtf(mXAxis[VX]*mXAxis[VX] + mXAxis[VY]*mXAxis[VY]);
-		return atan2f(mXAxis[VZ], xylen);
-	}
-
-	const LLVector3& getWorldPlanePos() const		{ return mWorldPlanePos; }
-	
-	// Copy mView, mAspect, mNearPlane, and mFarPlane to buffer.
-	// Return number of bytes copied.
-	size_t writeFrustumToBuffer(char *buffer) const;
-
-	// Copy mView, mAspect, mNearPlane, and mFarPlane from buffer.
-	// Return number of bytes copied.
-	size_t readFrustumFromBuffer(const char *buffer);
-	void calcAgentFrustumPlanes(LLVector3* frust);
-	void calcRegionFrustumPlanes(const LLVector3& shift, F32 far_clip_distance); //calculate regional planes from mAgentPlanes.
-	void ignoreAgentFrustumPlane(S32 idx);
-
-	// Returns 1 if partly in, 2 if fully in.
-	// NOTE: 'center' is in absolute frame.
-	S32 sphereInFrustum(const LLVector3 &center, const F32 radius) const;
-	S32 pointInFrustum(const LLVector3 &point) const { return sphereInFrustum(point, 0.0f); }
-	S32 sphereInFrustumFull(const LLVector3 &center, const F32 radius) const { return sphereInFrustum(center, radius); }
-	S32 AABBInFrustum(const LLVector4a& center, const LLVector4a& radius, const LLPlane* planes = NULL);
-	S32 AABBInRegionFrustum(const LLVector4a& center, const LLVector4a& radius);
-	S32 AABBInFrustumNoFarClip(const LLVector4a& center, const LLVector4a& radius, const LLPlane* planes = NULL);
-	S32 AABBInRegionFrustumNoFarClip(const LLVector4a& center, const LLVector4a& radius);
-
-	//does a quick 'n dirty sphere-sphere check
-	S32 sphereInFrustumQuick(const LLVector3 &sphere_center, const F32 radius); 
-
-	// Returns height of object in pixels (must be height because field of view
-	// is based on window height).
-	F32 heightInPixels(const LLVector3 &center, F32 radius ) const;
-
-	// return the distance from pos to camera if visible (-distance if not visible)
-	void setFixedDistance(F32 distance) { mFixedDistance = distance; }
-	
-	friend std::ostream& operator<<(std::ostream &s, const LLCamera &C);
+    void setUserClipPlane(LLPlane& plane);
+    void disableUserClipPlane();
+    virtual void setView(F32 vertical_fov_rads);
+    void setViewHeightInPixels(S32 height);
+    void setAspect(F32 new_aspect);
+    void setNear(F32 new_near);
+    void setFar(F32 new_far);
+
+    F32 getView() const                         { return mView; }               // vertical FOV in radians
+    S32 getViewHeightInPixels() const           { return mViewHeightInPixels; }
+    F32 getAspect() const                       { return mAspect; }             // width / height
+    F32 getNear() const                         { return mNearPlane; }          // meters
+    F32 getFar() const                          { return mFarPlane; }           // meters
+
+    // The values returned by the min/max view getters depend upon the aspect ratio
+    // at the time they are called and therefore should not be cached.
+    F32 getMinView() const;
+    F32 getMaxView() const;
+
+    F32 getYaw() const
+    {
+        return atan2f(mXAxis[VY], mXAxis[VX]);
+    }
+    F32 getPitch() const
+    {
+        F32 xylen = sqrtf(mXAxis[VX]*mXAxis[VX] + mXAxis[VY]*mXAxis[VY]);
+        return atan2f(mXAxis[VZ], xylen);
+    }
+
+    const LLVector3& getWorldPlanePos() const       { return mWorldPlanePos; }
+
+    // Copy mView, mAspect, mNearPlane, and mFarPlane to buffer.
+    // Return number of bytes copied.
+    size_t writeFrustumToBuffer(char *buffer) const;
+
+    // Copy mView, mAspect, mNearPlane, and mFarPlane from buffer.
+    // Return number of bytes copied.
+    size_t readFrustumFromBuffer(const char *buffer);
+    void calcAgentFrustumPlanes(LLVector3* frust);
+    void calcRegionFrustumPlanes(const LLVector3& shift, F32 far_clip_distance); //calculate regional planes from mAgentPlanes.
+    void ignoreAgentFrustumPlane(S32 idx);
+
+    // Returns 1 if partly in, 2 if fully in.
+    // NOTE: 'center' is in absolute frame.
+    S32 sphereInFrustum(const LLVector3 &center, const F32 radius) const;
+    S32 pointInFrustum(const LLVector3 &point) const { return sphereInFrustum(point, 0.0f); }
+    S32 sphereInFrustumFull(const LLVector3 &center, const F32 radius) const { return sphereInFrustum(center, radius); }
+    S32 AABBInFrustum(const LLVector4a& center, const LLVector4a& radius, const LLPlane* planes = NULL);
+    S32 AABBInRegionFrustum(const LLVector4a& center, const LLVector4a& radius);
+    S32 AABBInFrustumNoFarClip(const LLVector4a& center, const LLVector4a& radius, const LLPlane* planes = NULL);
+    S32 AABBInRegionFrustumNoFarClip(const LLVector4a& center, const LLVector4a& radius);
+
+    //does a quick 'n dirty sphere-sphere check
+    S32 sphereInFrustumQuick(const LLVector3 &sphere_center, const F32 radius);
+
+    // Returns height of object in pixels (must be height because field of view
+    // is based on window height).
+    F32 heightInPixels(const LLVector3 &center, F32 radius ) const;
+
+    // return the distance from pos to camera if visible (-distance if not visible)
+    void setFixedDistance(F32 distance) { mFixedDistance = distance; }
+
+    friend std::ostream& operator<<(std::ostream &s, const LLCamera &C);
 
 protected:
-	void calculateFrustumPlanes();
-	void calculateFrustumPlanes(F32 left, F32 right, F32 top, F32 bottom);
-	void calculateFrustumPlanesFromWindow(F32 x1, F32 y1, F32 x2, F32 y2);
+    void calculateFrustumPlanes();
+    void calculateFrustumPlanes(F32 left, F32 right, F32 top, F32 bottom);
+    void calculateFrustumPlanesFromWindow(F32 x1, F32 y1, F32 x2, F32 y2);
 } LL_ALIGN_POSTFIX(16);