diff options
Diffstat (limited to 'indra/llmath/llcamera.h')
| -rwxr-xr-x | indra/llmath/llcamera.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/indra/llmath/llcamera.h b/indra/llmath/llcamera.h index 1283cfb16b..321b8ddcc4 100755 --- a/indra/llmath/llcamera.h +++ b/indra/llmath/llcamera.h @@ -122,6 +122,8 @@ public: 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. @@ -150,6 +152,7 @@ public: 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. void setUserClipPlane(LLPlane& plane); void disableUserClipPlane(); @@ -191,6 +194,7 @@ public: // 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. @@ -199,8 +203,10 @@ public: S32 sphereInFrustum(const LLVector3 ¢er, const F32 radius) const; S32 pointInFrustum(const LLVector3 &point) const { return sphereInFrustum(point, 0.0f); } S32 sphereInFrustumFull(const LLVector3 ¢er, const F32 radius) const { return sphereInFrustum(center, radius); } - S32 AABBInFrustum(const LLVector4a& center, const LLVector4a& radius); - S32 AABBInFrustumNoFarClip(const LLVector4a& center, const LLVector4a& 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); |