diff options
Diffstat (limited to 'indra/newview/lljoystickbutton.cpp')
| -rw-r--r-- | indra/newview/lljoystickbutton.cpp | 237 |
1 files changed, 236 insertions, 1 deletions
diff --git a/indra/newview/lljoystickbutton.cpp b/indra/newview/lljoystickbutton.cpp index 59e14e6cc0..7fcd6f4361 100644 --- a/indra/newview/lljoystickbutton.cpp +++ b/indra/newview/lljoystickbutton.cpp @@ -48,7 +48,7 @@ static LLDefaultChildRegistry::Register<LLJoystickAgentSlide> r1("joystick_slide static LLDefaultChildRegistry::Register<LLJoystickAgentTurn> r2("joystick_turn"); static LLDefaultChildRegistry::Register<LLJoystickCameraRotate> r3("joystick_rotate"); static LLDefaultChildRegistry::Register<LLJoystickCameraTrack> r5("joystick_track"); - +static LLDefaultChildRegistry::Register<LLJoystickQuaternion> r6("joystick_quat"); const F32 NUDGE_TIME = 0.25f; // in seconds @@ -646,3 +646,238 @@ void LLJoystickCameraTrack::onHeldDown() gAgentCamera.setPanDownKey(getOrbitRate()); } } + +//------------------------------------------------------------------------------- +// LLJoystickQuaternion +//------------------------------------------------------------------------------- + +LLJoystickQuaternion::Params::Params() +{ +} + +LLJoystickQuaternion::LLJoystickQuaternion(const LLJoystickQuaternion::Params &p): + LLJoystick(p), + mInLeft(false), + mInTop(false), + mInRight(false), + mInBottom(false), + mVectorZero(0.0f, 0.0f, 1.0f), + mRotation(), + mUpDnAxis(1.0f, 0.0f, 0.0f), + mLfRtAxis(0.0f, 0.0f, 1.0f), + mXAxisIndex(2), // left & right across the control + mYAxisIndex(0), // up & down across the control + mZAxisIndex(1) // tested for above and below +{ + for (int i = 0; i < 3; ++i) + { + mLfRtAxis.mV[i] = (mXAxisIndex == i) ? 1.0 : 0.0; + mUpDnAxis.mV[i] = (mYAxisIndex == i) ? 1.0 : 0.0; + } +} + +void LLJoystickQuaternion::setToggleState(BOOL left, BOOL top, BOOL right, BOOL bottom) +{ + mInLeft = left; + mInTop = top; + mInRight = right; + mInBottom = bottom; +} + +BOOL LLJoystickQuaternion::handleMouseDown(S32 x, S32 y, MASK mask) +{ + updateSlop(); + + // Set initial offset based on initial click location + S32 horiz_center = getRect().getWidth() / 2; + S32 vert_center = getRect().getHeight() / 2; + + S32 dx = x - horiz_center; + S32 dy = y - vert_center; + + if (dy > dx && dy > -dx) + { + // top + mInitialOffset.mX = 0; + mInitialOffset.mY = (mVertSlopNear + mVertSlopFar) / 2; + mInitialQuadrant = JQ_UP; + } + else if (dy > dx && dy <= -dx) + { + // left + mInitialOffset.mX = -(mHorizSlopNear + mHorizSlopFar) / 2; + mInitialOffset.mY = 0; + mInitialQuadrant = JQ_LEFT; + } + else if (dy <= dx && dy <= -dx) + { + // bottom + mInitialOffset.mX = 0; + mInitialOffset.mY = -(mVertSlopNear + mVertSlopFar) / 2; + mInitialQuadrant = JQ_DOWN; + } + else + { + // right + mInitialOffset.mX = (mHorizSlopNear + mHorizSlopFar) / 2; + mInitialOffset.mY = 0; + mInitialQuadrant = JQ_RIGHT; + } + + return LLJoystick::handleMouseDown(x, y, mask); +} + +BOOL LLJoystickQuaternion::handleMouseUp(S32 x, S32 y, MASK mask) +{ + return LLJoystick::handleMouseUp(x, y, mask); +} + +void LLJoystickQuaternion::onHeldDown() +{ + LLVector3 axis; + updateSlop(); + + S32 dx = mLastMouse.mX - mFirstMouse.mX + mInitialOffset.mX; + S32 dy = mLastMouse.mY - mFirstMouse.mY + mInitialOffset.mY; + + // left-right rotation + if (dx > mHorizSlopNear) + { + axis += mUpDnAxis; + } + else if (dx < -mHorizSlopNear) + { + axis -= mUpDnAxis; + } + + // over/under rotation + if (dy > mVertSlopNear) + { + axis += mLfRtAxis; + } + else if (dy < -mVertSlopNear) + { + axis -= mLfRtAxis; + } + + if (axis.isNull()) + return; + + axis.normalize(); + + LLQuaternion delta; + delta.setAngleAxis(0.0523599f, axis); // about 3deg + + mRotation *= delta; + setValue(mRotation.getValue()); + onCommit(); +} + +void LLJoystickQuaternion::draw() +{ + LLGLSUIDefault gls_ui; + + getImageUnselected()->draw(0, 0); + LLPointer<LLUIImage> image = getImageSelected(); + + if (mInTop) + { + drawRotatedImage(getImageSelected(), 0); + } + + if (mInRight) + { + drawRotatedImage(getImageSelected(), 1); + } + + if (mInBottom) + { + drawRotatedImage(getImageSelected(), 2); + } + + if (mInLeft) + { + drawRotatedImage(getImageSelected(), 3); + } + + LLVector3 draw_point = mVectorZero * mRotation; + S32 halfwidth = getRect().getWidth() / 2; + S32 halfheight = getRect().getHeight() / 2; + draw_point.mV[mXAxisIndex] = (draw_point.mV[mXAxisIndex] + 1.0) * halfwidth; + draw_point.mV[mYAxisIndex] = (draw_point.mV[mYAxisIndex] + 1.0) * halfheight; + + gl_circle_2d(draw_point.mV[mXAxisIndex], draw_point.mV[mYAxisIndex], 4, 8, + draw_point.mV[mZAxisIndex] >= 0.f); + +} + +F32 LLJoystickQuaternion::getOrbitRate() +{ + return 1; +} + +void LLJoystickQuaternion::updateSlop() +{ + // small fixed slop region + mVertSlopNear = 16; + mVertSlopFar = 32; + + mHorizSlopNear = 16; + mHorizSlopFar = 32; +} + +void LLJoystickQuaternion::drawRotatedImage(LLPointer<LLUIImage> image, S32 rotations) +{ + S32 width = image->getWidth(); + S32 height = image->getHeight(); + LLTexture* texture = image->getImage(); + + /* + * Scale texture coordinate system + * to handle the different between image size and size of texture. + */ + F32 uv[][2] = + { + { (F32)width / texture->getWidth(), (F32)height / texture->getHeight() }, + { 0.f, (F32)height / texture->getHeight() }, + { 0.f, 0.f }, + { (F32)width / texture->getWidth(), 0.f } + }; + + gGL.getTexUnit(0)->bind(texture); + + gGL.color4fv(UI_VERTEX_COLOR.mV); + + gGL.begin(LLRender::QUADS); + { + gGL.texCoord2fv(uv[(rotations + 0) % 4]); + gGL.vertex2i(width, height); + + gGL.texCoord2fv(uv[(rotations + 1) % 4]); + gGL.vertex2i(0, height); + + gGL.texCoord2fv(uv[(rotations + 2) % 4]); + gGL.vertex2i(0, 0); + + gGL.texCoord2fv(uv[(rotations + 3) % 4]); + gGL.vertex2i(width, 0); + } + gGL.end(); +} + +void LLJoystickQuaternion::setRotation(const LLQuaternion &value) +{ + if (value != mRotation) + { + mRotation = value; + mRotation.normalize(); + LLJoystick::setValue(mRotation.getValue()); + } +} + +LLQuaternion LLJoystickQuaternion::getRotation() const +{ + return mRotation; +} + + |