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-rw-r--r--indra/newview/llviewercamera.cpp78
1 files changed, 47 insertions, 31 deletions
diff --git a/indra/newview/llviewercamera.cpp b/indra/newview/llviewercamera.cpp
index 6cf99b68b2..a0d307a3f4 100644
--- a/indra/newview/llviewercamera.cpp
+++ b/indra/newview/llviewercamera.cpp
@@ -81,18 +81,16 @@ LLViewerCamera::~LLViewerCamera()
mCameraAngleChangedSignal.disconnect();
}
-void LLViewerCamera::updateCameraLocation(const LLVector3 &center, const LLVector3 &up_direction, const LLVector3 &point_of_interest)
+bool LLViewerCamera::updateCameraLocation(const LLVector3 &center, const LLVector3 &up_direction, const LLVector3 &point_of_interest)
{
// do not update if avatar didn't move
if (!LLViewerJoystick::getInstance()->getCameraNeedsUpdate())
{
- return;
+ return true;
}
- LLVector3 last_position;
- LLVector3 last_axis;
- last_position = getOrigin();
- last_axis = getAtAxis();
+ LLVector3 last_position = getOrigin();
+ LLVector3 last_axis = getAtAxis();
mLastPointOfInterest = point_of_interest;
@@ -102,30 +100,49 @@ void LLViewerCamera::updateCameraLocation(const LLVector3 &center, const LLVecto
regp = gAgent.getRegion();
}
- F32 water_height = (NULL != regp) ? regp->getWaterHeight() : 0.f;
+ F32 water_height = regp ? regp->getWaterHeight() : 0.f;
LLVector3 origin = center;
+ // Move origin[VZ] far enough (up or down) from the water surface
+ static const F32 MIN_DIST_TO_WATER = 0.2f;
+ F32& zpos = origin.mV[VZ];
+ if (zpos < water_height + MIN_DIST_TO_WATER)
{
- if (origin.mV[2] > water_height)
+ if (zpos >= water_height)
{
- origin.mV[2] = llmax(origin.mV[2], water_height + 0.20f);
+ zpos = water_height + MIN_DIST_TO_WATER;
}
- else
+ else if (zpos > water_height - MIN_DIST_TO_WATER)
{
- origin.mV[2] = llmin(origin.mV[2], water_height - 0.20f);
+ zpos = water_height - MIN_DIST_TO_WATER;
}
}
- setOriginAndLookAt(origin, up_direction, point_of_interest);
+ LLVector3 at(point_of_interest - origin);
+ at.normalize();
+ if (at.isNull() || !at.isFinite())
+ return false;
+
+ LLVector3 left(up_direction % at);
+ left.normalize();
+ if (left.isNull() || !left.isFinite())
+ return false;
+
+ LLVector3 up = at % left;
+ up.normalize();
+ if (up.isNull() || !up.isFinite())
+ return false;
+
+ setOrigin(origin);
+ setAxes(at, left, up);
mVelocityDir = origin - last_position ;
F32 dpos = mVelocityDir.normVec() ;
LLQuaternion rotation;
rotation.shortestArc(last_axis, getAtAxis());
- F32 x, y, z;
- F32 drot;
+ F32 drot, x, y, z;
rotation.getAngleAxis(&drot, &x, &y, &z);
add(sVelocityStat, dpos);
@@ -138,6 +155,8 @@ void LLViewerCamera::updateCameraLocation(const LLVector3 &center, const LLVecto
// update pixel meter ratio using default fov, not modified one
mPixelMeterRatio = (F32)(getViewHeightInPixels()/ (2.f*tanf(mCameraFOVDefault*0.5f)));
// update screen pixel area
+
+ return true;
mScreenPixelArea =(S32)((F32)getViewHeightInPixels() * ((F32)getViewHeightInPixels() * getAspect()));
}
@@ -145,7 +164,6 @@ const LLMatrix4 &LLViewerCamera::getProjection() const
{
calcProjection(getFar());
return mProjectionMatrix;
-
}
const LLMatrix4 &LLViewerCamera::getModelview() const
@@ -158,13 +176,12 @@ const LLMatrix4 &LLViewerCamera::getModelview() const
void LLViewerCamera::calcProjection(const F32 far_distance) const
{
- F32 fov_y, z_far, z_near, aspect, f;
- fov_y = getView();
- z_far = far_distance;
- z_near = getNear();
- aspect = getAspect();
+ F32 fov_y = getView();
+ F32 z_far = far_distance;
+ F32 z_near = getNear();
+ F32 aspect = getAspect();
- f = 1/tan(fov_y*0.5f);
+ F32 f = 1 / tan(fov_y * 0.5f);
mProjectionMatrix.setZero();
mProjectionMatrix.mMatrix[0][0] = f/aspect;
@@ -270,9 +287,9 @@ void LLViewerCamera::updateFrustumPlanes(LLCamera& camera, bool ortho, bool zfli
}
void LLViewerCamera::setPerspective(bool for_selection,
- S32 x, S32 y_from_bot, S32 width, S32 height,
- bool limit_select_distance,
- F32 z_near, F32 z_far)
+ S32 x, S32 y_from_bot, S32 width, S32 height,
+ bool limit_select_distance,
+ F32 z_near, F32 z_far)
{
F32 fov_y, aspect;
fov_y = getView();
@@ -334,7 +351,7 @@ void LLViewerCamera::setPerspective(bool for_selection,
{
float offset = mZoomFactor - 1.f;
int pos_y = mZoomSubregion / llceil(mZoomFactor);
- int pos_x = mZoomSubregion - (pos_y*llceil(mZoomFactor));
+ int pos_x = mZoomSubregion - (pos_y * llceil(mZoomFactor));
glm::mat4 translate;
translate = glm::translate(glm::vec3(offset - (F32)pos_x * 2.f, offset - (F32)pos_y * 2.f, 0.f));
@@ -347,7 +364,7 @@ void LLViewerCamera::setPerspective(bool for_selection,
calcProjection(z_far); // Update the projection matrix cache
- proj_mat *= glm::perspective(fov_y,aspect,z_near,z_far);
+ proj_mat *= glm::perspective(fov_y, aspect, z_near, z_far);
gGL.loadMatrix(glm::value_ptr(proj_mat));
@@ -355,7 +372,7 @@ void LLViewerCamera::setPerspective(bool for_selection,
gGL.matrixMode(LLRender::MM_MODELVIEW);
- glm::mat4 modelview(glm::make_mat4((GLfloat*) OGL_TO_CFR_ROTATION));
+ glm::mat4 modelview(glm::make_mat4((GLfloat*)OGL_TO_CFR_ROTATION));
GLfloat ogl_matrix[16];
@@ -371,9 +388,9 @@ void LLViewerCamera::setPerspective(bool for_selection,
// however, it is also unused (the GL matricies are used for selection, (see LLCamera::sphereInFrustum())) and so i'm not
// comfortable hacking on it.
calculateFrustumPlanesFromWindow((F32)(x - width / 2) / (F32)gViewerWindow->getWindowWidthScaled() - 0.5f,
- (F32)(y_from_bot - height / 2) / (F32)gViewerWindow->getWindowHeightScaled() - 0.5f,
- (F32)(x + width / 2) / (F32)gViewerWindow->getWindowWidthScaled() - 0.5f,
- (F32)(y_from_bot + height / 2) / (F32)gViewerWindow->getWindowHeightScaled() - 0.5f);
+ (F32)(y_from_bot - height / 2) / (F32)gViewerWindow->getWindowHeightScaled() - 0.5f,
+ (F32)(x + width / 2) / (F32)gViewerWindow->getWindowWidthScaled() - 0.5f,
+ (F32)(y_from_bot + height / 2) / (F32)gViewerWindow->getWindowHeightScaled() - 0.5f);
}
@@ -387,7 +404,6 @@ void LLViewerCamera::setPerspective(bool for_selection,
updateFrustumPlanes(*this);
}
-
// Uses the last GL matrices set in set_perspective to project a point from
// screen coordinates to the agent's region.
void LLViewerCamera::projectScreenToPosAgent(const S32 screen_x, const S32 screen_y, LLVector3* pos_agent) const
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-26 23:09:16 +0000