void hud_render_text(const LLWString &wstr, const LLVector3 &pos_agent, const LLFontGL &font, const U8 style, const LLFontGL::ShadowType shadow, const F32 x_offset, const F32 y_offset, const LLColor4& color, const BOOL orthographic) { LLViewerCamera* camera = LLViewerCamera::getInstance(); // Do cheap plane culling LLVector3 dir_vec = pos_agent - camera->getOrigin(); dir_vec /= dir_vec.magVec(); if (wstr.empty() || (!orthographic && dir_vec * camera->getAtAxis() <= 0.f)) { return; } LLVector3 right_axis; LLVector3 up_axis; if (orthographic) { right_axis.setVec(0.f, -1.f / gViewerWindow->getWorldViewHeightScaled(), 0.f); up_axis.setVec(0.f, 0.f, 1.f / gViewerWindow->getWorldViewHeightScaled()); } else { camera->getPixelVectors(pos_agent, up_axis, right_axis); } LLCoordFrame render_frame = *camera; LLQuaternion rot; if (!orthographic) { rot = render_frame.getQuaternion(); rot = rot * LLQuaternion(-F_PI_BY_TWO, camera->getYAxis()); rot = rot * LLQuaternion(F_PI_BY_TWO, camera->getXAxis()); } else { rot = LLQuaternion(-F_PI_BY_TWO, LLVector3(0.f, 0.f, 1.f)); rot = rot * LLQuaternion(-F_PI_BY_TWO, LLVector3(0.f, 1.f, 0.f)); } F32 angle; LLVector3 axis; rot.getAngleAxis(&angle, axis); LLVector3 render_pos = pos_agent + (floorf(x_offset) * right_axis) + (floorf(y_offset) * up_axis); //get the render_pos in screen space LLVector3 window_coordinates; F32& winX = window_coordinates.mV[VX]; F32& winY = window_coordinates.mV[VY]; F32& winZ = window_coordinates.mV[VZ]; const LLRect& world_view_rect = gViewerWindow->getWorldViewRectRaw(); glProjectf(render_pos, gGLModelView, gGLProjection, world_view_rect, window_coordinates); //fonts all render orthographically, set up projection`` gGL.matrixMode(LLRender::MM_PROJECTION); gGL.pushMatrix(); gGL.matrixMode(LLRender::MM_MODELVIEW); gGL.pushMatrix(); LLUI::pushMatrix(); gl_state_for_2d(world_view_rect.getWidth(), world_view_rect.getHeight()); gViewerWindow->setup3DViewport(); winX -= world_view_rect.mLeft; winY -= world_view_rect.mBottom; LLUI::loadIdentity(); gGL.loadIdentity(); LLUI::translate((F32) winX*1.0f/LLFontGL::sScaleX, (F32) winY*1.0f/(LLFontGL::sScaleY), -(((F32) winZ*2.f)-1.f)); F32 right_x; font.render(wstr, 0, 0, 0, color, LLFontGL::LEFT, LLFontGL::BASELINE, style, shadow, wstr.length(), 1000, &right_x); LLUI::popMatrix(); gGL.popMatrix(); gGL.matrixMode(LLRender::MM_PROJECTION); gGL.popMatrix(); gGL.matrixMode(LLRender::MM_MODELVIEW); }
void hud_render_text(const LLWString &wstr, const LLVector3 &pos_agent, const LLFontGL &font, const U8 style, const F32 x_offset, const F32 y_offset, const LLColor4& color, const BOOL orthographic) { LLViewerCamera* camera = LLViewerCamera::getInstance(); // Do cheap plane culling LLVector3 dir_vec = pos_agent - camera->getOrigin(); dir_vec /= dir_vec.magVec(); if (wstr.empty() || (!orthographic && dir_vec * camera->getAtAxis() <= 0.f)) { return; } LLVector3 right_axis; LLVector3 up_axis; if (orthographic) { right_axis.setVec(0.f, -1.f / gViewerWindow->getWindowHeight(), 0.f); up_axis.setVec(0.f, 0.f, 1.f / gViewerWindow->getWindowHeight()); } else { camera->getPixelVectors(pos_agent, up_axis, right_axis); } LLCoordFrame render_frame = *camera; LLQuaternion rot; if (!orthographic) { rot = render_frame.getQuaternion(); rot = rot * LLQuaternion(-F_PI_BY_TWO, camera->getYAxis()); rot = rot * LLQuaternion(F_PI_BY_TWO, camera->getXAxis()); } else { rot = LLQuaternion(-F_PI_BY_TWO, LLVector3(0.f, 0.f, 1.f)); rot = rot * LLQuaternion(-F_PI_BY_TWO, LLVector3(0.f, 1.f, 0.f)); } F32 angle; LLVector3 axis; rot.getAngleAxis(&angle, axis); LLVector3 render_pos = pos_agent + (floorf(x_offset) * right_axis) + (floorf(y_offset) * up_axis); //get the render_pos in screen space F64 winX, winY, winZ; gluProject(render_pos.mV[0], render_pos.mV[1], render_pos.mV[2], gGLModelView, gGLProjection, (GLint*) gGLViewport, &winX, &winY, &winZ); //fonts all render orthographically, set up projection glMatrixMode(GL_PROJECTION); glPushMatrix(); glMatrixMode(GL_MODELVIEW); LLUI::pushMatrix(); gViewerWindow->setup2DRender(); LLUI::loadIdentity(); LLUI::translate((F32) winX*1.0f/LLFontGL::sScaleX, (F32) winY*1.0f/(LLFontGL::sScaleY), -(((F32) winZ*2.f)-1.f)); //glRotatef(angle * RAD_TO_DEG, axis.mV[VX], axis.mV[VY], axis.mV[VZ]); //glScalef(right_scale, up_scale, 1.f); F32 right_x; font.render(wstr, 0, 0, 0, color, LLFontGL::LEFT, LLFontGL::BASELINE, style, wstr.length(), 1000, &right_x); LLUI::popMatrix(); glMatrixMode(GL_PROJECTION); glPopMatrix(); glMatrixMode(GL_MODELVIEW); }