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authorAndrey Lihatskiy <alihatskiy@productengine.com>2024-04-29 07:43:28 +0300
committerAndrey Lihatskiy <alihatskiy@productengine.com>2024-04-29 07:56:09 +0300
commit1b68f71348ecf3983b76b40d7940da8377f049b7 (patch)
tree2974eddaef130a067c26033d60a59fc790365b3d /indra/llmath/llcamera.h
parentaf4ea94efc1999f3b19fd8d643d0331f0b77e265 (diff)
#824 Process source files in bulk: replace tabs with spaces, convert CRLF to LF, and trim trailing whitespaces as needed
Diffstat (limited to 'indra/llmath/llcamera.h')
-rw-r--r--indra/llmath/llcamera.h326
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);