lltoolplacer.cpp
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- /**
- * @file lltoolplacer.cpp
- * @brief Tool for placing new objects into the world
- *
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- *
- * Copyright (c) 2001-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #include "llviewerprecompiledheaders.h"
- // self header
- #include "lltoolplacer.h"
- // viewer headers
- #include "llbutton.h"
- #include "llviewercontrol.h"
- //#include "llfirstuse.h"
- #include "llfloatertools.h"
- #include "llselectmgr.h"
- #include "llstatusbar.h"
- #include "lltoolcomp.h"
- #include "lltoolmgr.h"
- #include "llviewerobject.h"
- #include "llviewerregion.h"
- #include "llviewerwindow.h"
- #include "llworld.h"
- #include "llui.h"
- //Headers added for functions moved from viewer.cpp
- #include "llvograss.h"
- #include "llvotree.h"
- #include "llvolumemessage.h"
- #include "llhudmanager.h"
- #include "llagent.h"
- #include "llaudioengine.h"
- #include "llhudeffecttrail.h"
- #include "llviewerobjectlist.h"
- #include "llviewercamera.h"
- #include "llviewerstats.h"
- // linden library headers
- #include "llprimitive.h"
- #include "llwindow.h" // incBusyCount()
- #include "material_codes.h"
- const LLVector3 DEFAULT_OBJECT_SCALE(0.5f, 0.5f, 0.5f);
- //static
- LLPCode LLToolPlacer::sObjectType = LL_PCODE_CUBE;
- LLToolPlacer::LLToolPlacer()
- : LLTool( "Create" )
- {
- }
- BOOL LLToolPlacer::raycastForNewObjPos( S32 x, S32 y, LLViewerObject** hit_obj, S32* hit_face,
- BOOL* b_hit_land, LLVector3* ray_start_region, LLVector3* ray_end_region, LLViewerRegion** region )
- {
- F32 max_dist_from_camera = gSavedSettings.getF32( "MaxSelectDistance" ) - 1.f;
- // Viewer-side pick to find the right sim to create the object on.
- // First find the surface the object will be created on.
- LLPickInfo pick = gViewerWindow->pickImmediate(x, y, FALSE);
-
- // Note: use the frontmost non-flora version because (a) plants usually have lots of alpha and (b) pants' Havok
- // representations (if any) are NOT the same as their viewer representation.
- if (pick.mPickType == LLPickInfo::PICK_FLORA)
- {
- *hit_obj = NULL;
- *hit_face = -1;
- }
- else
- {
- *hit_obj = pick.getObject();
- *hit_face = pick.mObjectFace;
- }
- *b_hit_land = !(*hit_obj) && !pick.mPosGlobal.isExactlyZero();
- LLVector3d land_pos_global = pick.mPosGlobal;
- // Make sure there's a surface to place the new object on.
- BOOL bypass_sim_raycast = FALSE;
- LLVector3d surface_pos_global;
- if (*b_hit_land)
- {
- surface_pos_global = land_pos_global;
- bypass_sim_raycast = TRUE;
- }
- else
- if (*hit_obj)
- {
- surface_pos_global = (*hit_obj)->getPositionGlobal();
- }
- else
- {
- return FALSE;
- }
- // Make sure the surface isn't too far away.
- LLVector3d ray_start_global = gAgent.getCameraPositionGlobal();
- F32 dist_to_surface_sq = (F32)((surface_pos_global - ray_start_global).magVecSquared());
- if( dist_to_surface_sq > (max_dist_from_camera * max_dist_from_camera) )
- {
- return FALSE;
- }
- // Find the sim where the surface lives.
- LLViewerRegion *regionp = LLWorld::getInstance()->getRegionFromPosGlobal(surface_pos_global);
- if (!regionp)
- {
- llwarns << "Trying to add object outside of all known regions!" << llendl;
- return FALSE;
- }
- // Find the simulator-side ray that will be used to place the object accurately
- LLVector3d mouse_direction;
- mouse_direction.setVec( gViewerWindow->mouseDirectionGlobal( x, y ) );
- *region = regionp;
- *ray_start_region = regionp->getPosRegionFromGlobal( ray_start_global );
- F32 near_clip = LLViewerCamera::getInstance()->getNear() + 0.01f; // Include an epsilon to avoid rounding issues.
- *ray_start_region += LLViewerCamera::getInstance()->getAtAxis() * near_clip;
- if( bypass_sim_raycast )
- {
- // Hack to work around Havok's inability to ray cast onto height fields
- *ray_end_region = regionp->getPosRegionFromGlobal( surface_pos_global ); // ray end is the viewer's intersection point
- }
- else
- {
- LLVector3d ray_end_global = ray_start_global + (1.f + max_dist_from_camera) * mouse_direction; // add an epsilon to the sim version of the ray to avoid rounding problems.
- *ray_end_region = regionp->getPosRegionFromGlobal( ray_end_global );
- }
- return TRUE;
- }
- BOOL LLToolPlacer::addObject( LLPCode pcode, S32 x, S32 y, U8 use_physics )
- {
- LLVector3 ray_start_region;
- LLVector3 ray_end_region;
- LLViewerRegion* regionp = NULL;
- BOOL b_hit_land = FALSE;
- S32 hit_face = -1;
- LLViewerObject* hit_obj = NULL;
- U8 state = 0;
- BOOL success = raycastForNewObjPos( x, y, &hit_obj, &hit_face, &b_hit_land, &ray_start_region, &ray_end_region, ®ionp );
- if( !success )
- {
- return FALSE;
- }
- if( hit_obj && (hit_obj->isAvatar() || hit_obj->isAttachment()) )
- {
- // Can't create objects on avatars or attachments
- return FALSE;
- }
- if (NULL == regionp)
- {
- llwarns << "regionp was NULL; aborting function." << llendl;
- return FALSE;
- }
- if (regionp->getRegionFlags() & REGION_FLAGS_SANDBOX)
- {
- //LLFirstUse::useSandbox();
- }
- // Set params for new object based on its PCode.
- LLQuaternion rotation;
- LLVector3 scale = DEFAULT_OBJECT_SCALE;
- U8 material = LL_MCODE_WOOD;
- BOOL create_selected = FALSE;
- LLVolumeParams volume_params;
-
- switch (pcode)
- {
- case LL_PCODE_LEGACY_GRASS:
- // Randomize size of grass patch
- scale.setVec(10.f + ll_frand(20.f), 10.f + ll_frand(20.f), 1.f + ll_frand(2.f));
- state = rand() % LLVOGrass::sMaxGrassSpecies;
- break;
- case LL_PCODE_LEGACY_TREE:
- case LL_PCODE_TREE_NEW:
- state = rand() % LLVOTree::sMaxTreeSpecies;
- break;
- case LL_PCODE_SPHERE:
- case LL_PCODE_CONE:
- case LL_PCODE_CUBE:
- case LL_PCODE_CYLINDER:
- case LL_PCODE_TORUS:
- case LLViewerObject::LL_VO_SQUARE_TORUS:
- case LLViewerObject::LL_VO_TRIANGLE_TORUS:
- default:
- create_selected = TRUE;
- break;
- }
- // Play creation sound
- if (gAudiop)
- {
- gAudiop->triggerSound( LLUUID(gSavedSettings.getString("UISndObjectCreate")),
- gAgent.getID(), 1.0f, LLAudioEngine::AUDIO_TYPE_UI);
- }
- gMessageSystem->newMessageFast(_PREHASH_ObjectAdd);
- gMessageSystem->nextBlockFast(_PREHASH_AgentData);
- gMessageSystem->addUUIDFast(_PREHASH_AgentID, gAgent.getID());
- gMessageSystem->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
- gMessageSystem->addUUIDFast(_PREHASH_GroupID, gAgent.getGroupID());
- gMessageSystem->nextBlockFast(_PREHASH_ObjectData);
- gMessageSystem->addU8Fast(_PREHASH_Material, material);
- U32 flags = 0; // not selected
- if (use_physics)
- {
- flags |= FLAGS_USE_PHYSICS;
- }
- if (create_selected)
- {
- flags |= FLAGS_CREATE_SELECTED;
- }
- gMessageSystem->addU32Fast(_PREHASH_AddFlags, flags );
- LLPCode volume_pcode; // ...PCODE_VOLUME, or the original on error
- switch (pcode)
- {
- case LL_PCODE_SPHERE:
- rotation.setQuat(90.f * DEG_TO_RAD, LLVector3::y_axis);
- volume_params.setType( LL_PCODE_PROFILE_CIRCLE_HALF, LL_PCODE_PATH_CIRCLE );
- volume_params.setBeginAndEndS( 0.f, 1.f );
- volume_params.setBeginAndEndT( 0.f, 1.f );
- volume_params.setRatio ( 1, 1 );
- volume_params.setShear ( 0, 0 );
- LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
- volume_pcode = LL_PCODE_VOLUME;
- break;
- case LL_PCODE_TORUS:
- rotation.setQuat(90.f * DEG_TO_RAD, LLVector3::y_axis);
- volume_params.setType( LL_PCODE_PROFILE_CIRCLE, LL_PCODE_PATH_CIRCLE );
- volume_params.setBeginAndEndS( 0.f, 1.f );
- volume_params.setBeginAndEndT( 0.f, 1.f );
- volume_params.setRatio ( 1.f, 0.25f ); // "top size"
- volume_params.setShear ( 0, 0 );
- LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
- volume_pcode = LL_PCODE_VOLUME;
- break;
- case LLViewerObject::LL_VO_SQUARE_TORUS:
- rotation.setQuat(90.f * DEG_TO_RAD, LLVector3::y_axis);
- volume_params.setType( LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_CIRCLE );
- volume_params.setBeginAndEndS( 0.f, 1.f );
- volume_params.setBeginAndEndT( 0.f, 1.f );
- volume_params.setRatio ( 1.f, 0.25f ); // "top size"
- volume_params.setShear ( 0, 0 );
- LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
- volume_pcode = LL_PCODE_VOLUME;
- break;
- case LLViewerObject::LL_VO_TRIANGLE_TORUS:
- rotation.setQuat(90.f * DEG_TO_RAD, LLVector3::y_axis);
- volume_params.setType( LL_PCODE_PROFILE_EQUALTRI, LL_PCODE_PATH_CIRCLE );
- volume_params.setBeginAndEndS( 0.f, 1.f );
- volume_params.setBeginAndEndT( 0.f, 1.f );
- volume_params.setRatio ( 1.f, 0.25f ); // "top size"
- volume_params.setShear ( 0, 0 );
- LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
- volume_pcode = LL_PCODE_VOLUME;
- break;
- case LL_PCODE_SPHERE_HEMI:
- volume_params.setType( LL_PCODE_PROFILE_CIRCLE_HALF, LL_PCODE_PATH_CIRCLE );
- //volume_params.setBeginAndEndS( 0.5f, 1.f );
- volume_params.setBeginAndEndT( 0.f, 0.5f );
- volume_params.setRatio ( 1, 1 );
- volume_params.setShear ( 0, 0 );
- LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
- volume_pcode = LL_PCODE_VOLUME;
- break;
- case LL_PCODE_CUBE:
- volume_params.setType( LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE );
- volume_params.setBeginAndEndS( 0.f, 1.f );
- volume_params.setBeginAndEndT( 0.f, 1.f );
- volume_params.setRatio ( 1, 1 );
- volume_params.setShear ( 0, 0 );
- LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
- volume_pcode = LL_PCODE_VOLUME;
- break;
- case LL_PCODE_PRISM:
- volume_params.setType( LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE );
- volume_params.setBeginAndEndS( 0.f, 1.f );
- volume_params.setBeginAndEndT( 0.f, 1.f );
- volume_params.setRatio ( 0, 1 );
- volume_params.setShear ( -0.5f, 0 );
- LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
- volume_pcode = LL_PCODE_VOLUME;
- break;
- case LL_PCODE_PYRAMID:
- volume_params.setType( LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE );
- volume_params.setBeginAndEndS( 0.f, 1.f );
- volume_params.setBeginAndEndT( 0.f, 1.f );
- volume_params.setRatio ( 0, 0 );
- volume_params.setShear ( 0, 0 );
- LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
- volume_pcode = LL_PCODE_VOLUME;
- break;
- case LL_PCODE_TETRAHEDRON:
- volume_params.setType( LL_PCODE_PROFILE_EQUALTRI, LL_PCODE_PATH_LINE );
- volume_params.setBeginAndEndS( 0.f, 1.f );
- volume_params.setBeginAndEndT( 0.f, 1.f );
- volume_params.setRatio ( 0, 0 );
- volume_params.setShear ( 0, 0 );
- LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
- volume_pcode = LL_PCODE_VOLUME;
- break;
- case LL_PCODE_CYLINDER:
- volume_params.setType( LL_PCODE_PROFILE_CIRCLE, LL_PCODE_PATH_LINE );
- volume_params.setBeginAndEndS( 0.f, 1.f );
- volume_params.setBeginAndEndT( 0.f, 1.f );
- volume_params.setRatio ( 1, 1 );
- volume_params.setShear ( 0, 0 );
- LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
- volume_pcode = LL_PCODE_VOLUME;
- break;
- case LL_PCODE_CYLINDER_HEMI:
- volume_params.setType( LL_PCODE_PROFILE_CIRCLE, LL_PCODE_PATH_LINE );
- volume_params.setBeginAndEndS( 0.25f, 0.75f );
- volume_params.setBeginAndEndT( 0.f, 1.f );
- volume_params.setRatio ( 1, 1 );
- volume_params.setShear ( 0, 0 );
- LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
- volume_pcode = LL_PCODE_VOLUME;
- break;
- case LL_PCODE_CONE:
- volume_params.setType( LL_PCODE_PROFILE_CIRCLE, LL_PCODE_PATH_LINE );
- volume_params.setBeginAndEndS( 0.f, 1.f );
- volume_params.setBeginAndEndT( 0.f, 1.f );
- volume_params.setRatio ( 0, 0 );
- volume_params.setShear ( 0, 0 );
- LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
- volume_pcode = LL_PCODE_VOLUME;
- break;
- case LL_PCODE_CONE_HEMI:
- volume_params.setType( LL_PCODE_PROFILE_CIRCLE, LL_PCODE_PATH_LINE );
- volume_params.setBeginAndEndS( 0.25f, 0.75f );
- volume_params.setBeginAndEndT( 0.f, 1.f );
- volume_params.setRatio ( 0, 0 );
- volume_params.setShear ( 0, 0 );
- LLVolumeMessage::packVolumeParams(&volume_params, gMessageSystem);
- volume_pcode = LL_PCODE_VOLUME;
- break;
- default:
- LLVolumeMessage::packVolumeParams(0, gMessageSystem);
- volume_pcode = pcode;
- break;
- }
- gMessageSystem->addU8Fast(_PREHASH_PCode, volume_pcode);
- gMessageSystem->addVector3Fast(_PREHASH_Scale, scale );
- gMessageSystem->addQuatFast(_PREHASH_Rotation, rotation );
- gMessageSystem->addVector3Fast(_PREHASH_RayStart, ray_start_region );
- gMessageSystem->addVector3Fast(_PREHASH_RayEnd, ray_end_region );
- gMessageSystem->addU8Fast(_PREHASH_BypassRaycast, (U8)b_hit_land );
- gMessageSystem->addU8Fast(_PREHASH_RayEndIsIntersection, (U8)FALSE );
- gMessageSystem->addU8Fast(_PREHASH_State, state);
- // Limit raycast to a single object.
- // Speeds up server raycast + avoid problems with server ray hitting objects
- // that were clipped by the near plane or culled on the viewer.
- LLUUID ray_target_id;
- if( hit_obj )
- {
- ray_target_id = hit_obj->getID();
- }
- else
- {
- ray_target_id.setNull();
- }
- gMessageSystem->addUUIDFast(_PREHASH_RayTargetID, ray_target_id );
-
- // Pack in name value pairs
- gMessageSystem->sendReliable(regionp->getHost());
- // Spawns a message, so must be after above send
- if (create_selected)
- {
- LLSelectMgr::getInstance()->deselectAll();
- gViewerWindow->getWindow()->incBusyCount();
- }
- // VEFFECT: AddObject
- LLHUDEffectSpiral *effectp = (LLHUDEffectSpiral *)LLHUDManager::getInstance()->createViewerEffect(LLHUDObject::LL_HUD_EFFECT_BEAM, TRUE);
- effectp->setSourceObject((LLViewerObject*)gAgent.getAvatarObject());
- effectp->setPositionGlobal(regionp->getPosGlobalFromRegion(ray_end_region));
- effectp->setDuration(LL_HUD_DUR_SHORT);
- effectp->setColor(LLColor4U(gAgent.getEffectColor()));
- LLViewerStats::getInstance()->incStat(LLViewerStats::ST_CREATE_COUNT);
- return TRUE;
- }
- // Used by the placer tool to add copies of the current selection.
- // Inspired by add_object(). JC
- BOOL LLToolPlacer::addDuplicate(S32 x, S32 y)
- {
- LLVector3 ray_start_region;
- LLVector3 ray_end_region;
- LLViewerRegion* regionp = NULL;
- BOOL b_hit_land = FALSE;
- S32 hit_face = -1;
- LLViewerObject* hit_obj = NULL;
- BOOL success = raycastForNewObjPos( x, y, &hit_obj, &hit_face, &b_hit_land, &ray_start_region, &ray_end_region, ®ionp );
- if( !success )
- {
- make_ui_sound("UISndInvalidOp");
- return FALSE;
- }
- if( hit_obj && (hit_obj->isAvatar() || hit_obj->isAttachment()) )
- {
- // Can't create objects on avatars or attachments
- make_ui_sound("UISndInvalidOp");
- return FALSE;
- }
- // Limit raycast to a single object.
- // Speeds up server raycast + avoid problems with server ray hitting objects
- // that were clipped by the near plane or culled on the viewer.
- LLUUID ray_target_id;
- if( hit_obj )
- {
- ray_target_id = hit_obj->getID();
- }
- else
- {
- ray_target_id.setNull();
- }
- LLSelectMgr::getInstance()->selectDuplicateOnRay(ray_start_region,
- ray_end_region,
- b_hit_land, // suppress raycast
- FALSE, // intersection
- ray_target_id,
- gSavedSettings.getBOOL("CreateToolCopyCenters"),
- gSavedSettings.getBOOL("CreateToolCopyRotates"),
- FALSE); // select copy
- if (regionp
- && (regionp->getRegionFlags() & REGION_FLAGS_SANDBOX))
- {
- //LLFirstUse::useSandbox();
- }
- return TRUE;
- }
- BOOL LLToolPlacer::placeObject(S32 x, S32 y, MASK mask)
- {
- BOOL added = TRUE;
-
- if (gSavedSettings.getBOOL("CreateToolCopySelection"))
- {
- added = addDuplicate(x, y);
- }
- else
- {
- added = addObject( sObjectType, x, y, FALSE );
- }
- // ...and go back to the default tool
- if (added && !gSavedSettings.getBOOL("CreateToolKeepSelected"))
- {
- LLToolMgr::getInstance()->getCurrentToolset()->selectTool( LLToolCompTranslate::getInstance() );
- }
- return added;
- }
- BOOL LLToolPlacer::handleHover(S32 x, S32 y, MASK mask)
- {
- lldebugst(LLERR_USER_INPUT) << "hover handled by LLToolPlacer" << llendl;
- gViewerWindow->setCursor(UI_CURSOR_TOOLCREATE);
- return TRUE;
- }
- void LLToolPlacer::handleSelect()
- {
- gFloaterTools->setStatusText("place");
- }
- void LLToolPlacer::handleDeselect()
- {
- }