lltoolbrush.cpp
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上传日期:2021-03-01
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- /**
- * @file lltoolbrush.cpp
- * @brief Implementation of the toolbrushes
- *
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- *
- * 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"
- #include "lltoolbrush.h"
- #include "lltoolselectland.h"
- // library headers
- #include "llgl.h"
- #include "llnotificationsutil.h"
- #include "llrender.h"
- #include "message.h"
- #include "llagent.h"
- #include "llcallbacklist.h"
- #include "llviewercontrol.h"
- #include "llfloatertools.h"
- #include "llregionposition.h"
- #include "llstatusbar.h"
- #include "llsurface.h"
- #include "llsurfacepatch.h"
- #include "lltoolmgr.h"
- #include "llui.h"
- #include "llviewerparcelmgr.h"
- #include "llviewerparceloverlay.h"
- #include "llviewerregion.h"
- #include "llviewerwindow.h"
- #include "llworld.h"
- #include "llappviewer.h"
- #include "llparcel.h"
- #include "llglheaders.h"
- const std::string REGION_BLOCKS_TERRAFORM_MSG = "This region does not allow terraforming.n"
- "You will need to buy land in another part of the world to terraform it.";
- ///============================================================================
- /// Local function declarations, constants, enums, and typedefs
- ///============================================================================
- const S32 LAND_BRUSH_SIZE_COUNT = 3;
- const F32 LAND_BRUSH_SIZE[LAND_BRUSH_SIZE_COUNT] = {1.0f, 2.0f, 4.0f};
- const S32 LAND_STEPS = 3;
- const F32 LAND_METERS_PER_SECOND = 1.0f;
- enum
- {
- E_LAND_LEVEL = 0,
- E_LAND_RAISE = 1,
- E_LAND_LOWER = 2,
- E_LAND_SMOOTH = 3,
- E_LAND_NOISE = 4,
- E_LAND_REVERT = 5,
- E_LAND_INVALID = 6,
- };
- const LLColor4 OVERLAY_COLOR(1.0f, 1.0f, 1.0f, 1.0f);
- ///============================================================================
- /// Class LLToolBrushLand
- ///============================================================================
- // constructor
- LLToolBrushLand::LLToolBrushLand()
- : LLTool(std::string("Land")),
- mStartingZ( 0.0f ),
- mMouseX( 0 ),
- mMouseY(0),
- mGotHover(FALSE),
- mBrushSelected(FALSE)
- {
- mBrushSize = gSavedSettings.getF32("LandBrushSize");
- }
- U8 LLToolBrushLand::getBrushIndex()
- {
- // find the best index for desired size
- // (compatibility with old sims, brush_index is now depricated - DEV-8252)
- U8 index = 0;
- for (U8 i = 0; i < LAND_BRUSH_SIZE_COUNT; i++)
- {
- if (mBrushSize > LAND_BRUSH_SIZE[i])
- {
- index = i;
- }
- }
- return index;
- }
- void LLToolBrushLand::modifyLandAtPointGlobal(const LLVector3d &pos_global,
- MASK mask)
- {
- S32 radioAction = gSavedSettings.getS32("RadioLandBrushAction");
-
- mLastAffectedRegions.clear();
- determineAffectedRegions(mLastAffectedRegions, pos_global);
- for(region_list_t::iterator iter = mLastAffectedRegions.begin();
- iter != mLastAffectedRegions.end(); ++iter)
- {
- LLViewerRegion* regionp = *iter;
- //BOOL is_changed = FALSE;
- LLVector3 pos_region = regionp->getPosRegionFromGlobal(pos_global);
- LLSurface &land = regionp->getLand();
- char action = E_LAND_LEVEL;
- switch (radioAction)
- {
- case 0:
- // // average toward mStartingZ
- action = E_LAND_LEVEL;
- break;
- case 1:
- action = E_LAND_RAISE;
- break;
- case 2:
- action = E_LAND_LOWER;
- break;
- case 3:
- action = E_LAND_SMOOTH;
- break;
- case 4:
- action = E_LAND_NOISE;
- break;
- case 5:
- action = E_LAND_REVERT;
- break;
- default:
- action = E_LAND_INVALID;
- break;
- }
- // Don't send a message to the region if nothing changed.
- //if(!is_changed) continue;
- // Now to update the patch information so it will redraw correctly.
- LLSurfacePatch *patchp= land.resolvePatchRegion(pos_region);
- if (patchp)
- {
- patchp->dirtyZ();
- }
- // Also force the property lines to update, normals to recompute, etc.
- regionp->forceUpdate();
- // tell the simulator what we've done
- F32 seconds = (1.0f / gFPSClamped) * gSavedSettings.getF32("LandBrushForce");
- F32 x_pos = (F32)pos_region.mV[VX];
- F32 y_pos = (F32)pos_region.mV[VY];
- LLMessageSystem* msg = gMessageSystem;
- msg->newMessageFast(_PREHASH_ModifyLand);
- msg->nextBlockFast(_PREHASH_AgentData);
- msg->addUUIDFast(_PREHASH_AgentID, gAgent.getID());
- msg->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
- msg->nextBlockFast(_PREHASH_ModifyBlock);
- msg->addU8Fast(_PREHASH_Action, (U8)action);
- msg->addU8Fast(_PREHASH_BrushSize, getBrushIndex());
- msg->addF32Fast(_PREHASH_Seconds, seconds);
- msg->addF32Fast(_PREHASH_Height, mStartingZ);
- msg->nextBlockFast(_PREHASH_ParcelData);
- msg->addS32Fast(_PREHASH_LocalID, -1);
- msg->addF32Fast(_PREHASH_West, x_pos );
- msg->addF32Fast(_PREHASH_South, y_pos );
- msg->addF32Fast(_PREHASH_East, x_pos );
- msg->addF32Fast(_PREHASH_North, y_pos );
- msg->nextBlock("ModifyBlockExtended");
- msg->addF32("BrushSize", mBrushSize);
- msg->sendMessage(regionp->getHost());
- }
- }
- void LLToolBrushLand::modifyLandInSelectionGlobal()
- {
- if (LLViewerParcelMgr::getInstance()->selectionEmpty())
- {
- return;
- }
- if (LLToolMgr::getInstance()->getCurrentTool() == LLToolSelectLand::getInstance())
- {
- // selecting land, don't do anything
- return;
- }
- LLVector3d min;
- LLVector3d max;
- LLViewerParcelMgr::getInstance()->getSelection(min, max);
- S32 radioAction = gSavedSettings.getS32("RadioLandBrushAction");
- mLastAffectedRegions.clear();
- determineAffectedRegions(mLastAffectedRegions, LLVector3d(min.mdV[VX], min.mdV[VY], 0));
- determineAffectedRegions(mLastAffectedRegions, LLVector3d(min.mdV[VX], max.mdV[VY], 0));
- determineAffectedRegions(mLastAffectedRegions, LLVector3d(max.mdV[VX], min.mdV[VY], 0));
- determineAffectedRegions(mLastAffectedRegions, LLVector3d(max.mdV[VX], max.mdV[VY], 0));
- LLRegionPosition mid_point_region((min + max) * 0.5);
- LLViewerRegion* center_region = mid_point_region.getRegion();
- if (center_region)
- {
- LLVector3 pos_region = mid_point_region.getPositionRegion();
- U32 grids = center_region->getLand().mGridsPerEdge;
- S32 i = llclamp( (S32)pos_region.mV[VX], 0, (S32)grids );
- S32 j = llclamp( (S32)pos_region.mV[VY], 0, (S32)grids );
- mStartingZ = center_region->getLand().getZ(i+j*grids);
- }
- else
- {
- mStartingZ = 0.f;
- }
- // Stop if our selection include a no-terraform region
- for(region_list_t::iterator iter = mLastAffectedRegions.begin();
- iter != mLastAffectedRegions.end(); ++iter)
- {
- LLViewerRegion* regionp = *iter;
- if (!canTerraform(regionp))
- {
- alertNoTerraform(regionp);
- return;
- }
- }
- for(region_list_t::iterator iter = mLastAffectedRegions.begin();
- iter != mLastAffectedRegions.end(); ++iter)
- {
- LLViewerRegion* regionp = *iter;
- //BOOL is_changed = FALSE;
- LLVector3 min_region = regionp->getPosRegionFromGlobal(min);
- LLVector3 max_region = regionp->getPosRegionFromGlobal(max);
-
- min_region.clamp(0.f, regionp->getWidth());
- max_region.clamp(0.f, regionp->getWidth());
- F32 seconds = gSavedSettings.getF32("LandBrushForce");
- LLSurface &land = regionp->getLand();
- char action = E_LAND_LEVEL;
- switch (radioAction)
- {
- case 0:
- // // average toward mStartingZ
- action = E_LAND_LEVEL;
- seconds *= 0.25f;
- break;
- case 1:
- action = E_LAND_RAISE;
- seconds *= 0.25f;
- break;
- case 2:
- action = E_LAND_LOWER;
- seconds *= 0.25f;
- break;
- case 3:
- action = E_LAND_SMOOTH;
- seconds *= 5.0f;
- break;
- case 4:
- action = E_LAND_NOISE;
- seconds *= 0.5f;
- break;
- case 5:
- action = E_LAND_REVERT;
- seconds = 0.5f;
- break;
- default:
- //action = E_LAND_INVALID;
- //seconds = 0.0f;
- return;
- break;
- }
- // Don't send a message to the region if nothing changed.
- //if(!is_changed) continue;
- // Now to update the patch information so it will redraw correctly.
- LLSurfacePatch *patchp= land.resolvePatchRegion(min_region);
- if (patchp)
- {
- patchp->dirtyZ();
- }
- // Also force the property lines to update, normals to recompute, etc.
- regionp->forceUpdate();
- // tell the simulator what we've done
- LLMessageSystem* msg = gMessageSystem;
- msg->newMessageFast(_PREHASH_ModifyLand);
- msg->nextBlockFast(_PREHASH_AgentData);
- msg->addUUIDFast(_PREHASH_AgentID, gAgent.getID());
- msg->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
- msg->nextBlockFast(_PREHASH_ModifyBlock);
- msg->addU8Fast(_PREHASH_Action, (U8)action);
- msg->addU8Fast(_PREHASH_BrushSize, getBrushIndex());
- msg->addF32Fast(_PREHASH_Seconds, seconds);
- msg->addF32Fast(_PREHASH_Height, mStartingZ);
- BOOL parcel_selected = LLViewerParcelMgr::getInstance()->getParcelSelection()->getWholeParcelSelected();
- LLParcel* selected_parcel = LLViewerParcelMgr::getInstance()->getParcelSelection()->getParcel();
- if (parcel_selected && selected_parcel)
- {
- msg->nextBlockFast(_PREHASH_ParcelData);
- msg->addS32Fast(_PREHASH_LocalID, selected_parcel->getLocalID());
- msg->addF32Fast(_PREHASH_West, min_region.mV[VX] );
- msg->addF32Fast(_PREHASH_South, min_region.mV[VY] );
- msg->addF32Fast(_PREHASH_East, max_region.mV[VX] );
- msg->addF32Fast(_PREHASH_North, max_region.mV[VY] );
- }
- else
- {
- msg->nextBlockFast(_PREHASH_ParcelData);
- msg->addS32Fast(_PREHASH_LocalID, -1);
- msg->addF32Fast(_PREHASH_West, min_region.mV[VX] );
- msg->addF32Fast(_PREHASH_South, min_region.mV[VY] );
- msg->addF32Fast(_PREHASH_East, max_region.mV[VX] );
- msg->addF32Fast(_PREHASH_North, max_region.mV[VY] );
- }
-
- msg->nextBlock("ModifyBlockExtended");
- msg->addF32("BrushSize", mBrushSize);
- msg->sendMessage(regionp->getHost());
- }
- }
- void LLToolBrushLand::brush( void )
- {
- LLVector3d spot;
- if( gViewerWindow->mousePointOnLandGlobal( mMouseX, mMouseY, &spot ) )
- {
- // Round to nearest X,Y grid
- spot.mdV[VX] = floor( spot.mdV[VX] + 0.5 );
- spot.mdV[VY] = floor( spot.mdV[VY] + 0.5 );
- modifyLandAtPointGlobal(spot, gKeyboard->currentMask(TRUE));
- }
- }
- BOOL LLToolBrushLand::handleMouseDown(S32 x, S32 y, MASK mask)
- {
- BOOL handled = FALSE;
- // Find the z value of the initial click.
- LLVector3d spot;
- if( gViewerWindow->mousePointOnLandGlobal( x, y, &spot ) )
- {
- // Round to nearest X,Y grid
- spot.mdV[VX] = floor( spot.mdV[VX] + 0.5 );
- spot.mdV[VY] = floor( spot.mdV[VY] + 0.5 );
- LLRegionPosition region_position( spot );
- LLViewerRegion* regionp = region_position.getRegion();
- if (!canTerraform(regionp))
- {
- alertNoTerraform(regionp);
- return TRUE;
- }
- LLVector3 pos_region = region_position.getPositionRegion();
- U32 grids = regionp->getLand().mGridsPerEdge;
- S32 i = llclamp( (S32)pos_region.mV[VX], 0, (S32)grids );
- S32 j = llclamp( (S32)pos_region.mV[VY], 0, (S32)grids );
- mStartingZ = regionp->getLand().getZ(i+j*grids);
- mMouseX = x;
- mMouseY = y;
- gIdleCallbacks.addFunction( &LLToolBrushLand::onIdle, (void*)this );
- setMouseCapture( TRUE );
- LLViewerParcelMgr::getInstance()->setSelectionVisible(FALSE);
- handled = TRUE;
- }
- return handled;
- }
- BOOL LLToolBrushLand::handleHover( S32 x, S32 y, MASK mask )
- {
- lldebugst(LLERR_USER_INPUT) << "hover handled by LLToolBrushLand ("
- << (hasMouseCapture() ? "active":"inactive")
- << ")" << llendl;
- mMouseX = x;
- mMouseY = y;
- mGotHover = TRUE;
- gViewerWindow->setCursor(UI_CURSOR_TOOLLAND);
- return TRUE;
- }
- BOOL LLToolBrushLand::handleMouseUp(S32 x, S32 y, MASK mask)
- {
- BOOL handled = FALSE;
- mLastAffectedRegions.clear();
- if( hasMouseCapture() )
- {
- // Release the mouse
- setMouseCapture( FALSE );
- LLViewerParcelMgr::getInstance()->setSelectionVisible(TRUE);
- gIdleCallbacks.deleteFunction( &LLToolBrushLand::onIdle, (void*)this );
- handled = TRUE;
- }
- return handled;
- }
- void LLToolBrushLand::handleSelect()
- {
- gEditMenuHandler = this;
- gFloaterTools->setStatusText("modifyland");
- // if (!mBrushSelected)
- {
- mBrushSelected = TRUE;
- }
- }
- void LLToolBrushLand::handleDeselect()
- {
- if( gEditMenuHandler == this )
- {
- gEditMenuHandler = NULL;
- }
- LLViewerParcelMgr::getInstance()->setSelectionVisible(TRUE);
- mBrushSelected = FALSE;
- }
- // Draw the area that will be affected.
- void LLToolBrushLand::render()
- {
- if(mGotHover)
- {
- //llinfos << "LLToolBrushLand::render()" << llendl;
- LLVector3d spot;
- if(gViewerWindow->mousePointOnLandGlobal(mMouseX, mMouseY, &spot))
- {
- spot.mdV[VX] = floor( spot.mdV[VX] + 0.5 );
- spot.mdV[VY] = floor( spot.mdV[VY] + 0.5 );
- mBrushSize = gSavedSettings.getF32("LandBrushSize");
-
- region_list_t regions;
- determineAffectedRegions(regions, spot);
- // Now, for each region, render the overlay
- LLVector3 pos_world = gAgent.getRegion()->getPosRegionFromGlobal(spot);
- for(region_list_t::iterator iter = regions.begin();
- iter != regions.end(); ++iter)
- {
- LLViewerRegion* region = *iter;
- renderOverlay(region->getLand(),
- region->getPosRegionFromGlobal(spot),
- pos_world);
- }
- }
- mGotHover = FALSE;
- }
- }
- /*
- * Draw vertical lines from each vertex straight up in world space
- * with lengths indicating the current "strength" slider.
- * Decorate the tops and bottoms of the lines like this:
- *
- * Raise Revert
- * /| ___
- * | |
- * | |
- *
- * Rough Smooth
- * /| ___
- * | |
- * | |
- * |/..........._|_
- *
- * Lower Flatten
- * | |
- * | |
- * |/..........._|_
- */
- void LLToolBrushLand::renderOverlay(LLSurface& land, const LLVector3& pos_region,
- const LLVector3& pos_world)
- {
- glMatrixMode(GL_MODELVIEW);
- gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
- LLGLDepthTest mDepthTest(GL_TRUE);
- glPushMatrix();
- gGL.color4fv(OVERLAY_COLOR.mV);
- glTranslatef(0.0f, 0.0f, 1.0f);
-
- S32 i = (S32) pos_region.mV[VX];
- S32 j = (S32) pos_region.mV[VY];
- S32 half_edge = llfloor(mBrushSize);
- S32 radioAction = gSavedSettings.getS32("RadioLandBrushAction");
- F32 force = gSavedSettings.getF32("LandBrushForce"); // .1 to 100?
-
- gGL.begin(LLRender::LINES);
- for(S32 di = -half_edge; di <= half_edge; di++)
- {
- if((i+di) < 0 || (i+di) >= (S32)land.mGridsPerEdge) continue;
- for(S32 dj = -half_edge; dj <= half_edge; dj++)
- {
- if( (j+dj) < 0 || (j+dj) >= (S32)land.mGridsPerEdge ) continue;
- const F32
- wx = pos_world.mV[VX] + di,
- wy = pos_world.mV[VY] + dj,
- wz = land.getZ((i+di)+(j+dj)*land.mGridsPerEdge),
- norm_dist = sqrt((float)di*di + dj*dj) / half_edge,
- force_scale = sqrt(2.f) - norm_dist, // 1 at center, 0 at corner
- wz2 = wz + .2 + (.2 + force/100) * force_scale, // top vertex
- tic = .075f; // arrowhead size
- // vertical line
- gGL.vertex3f(wx, wy, wz);
- gGL.vertex3f(wx, wy, wz2);
- if(radioAction == E_LAND_RAISE || radioAction == E_LAND_NOISE) // up arrow
- {
- gGL.vertex3f(wx, wy, wz2);
- gGL.vertex3f(wx+tic, wy, wz2-tic);
- gGL.vertex3f(wx, wy, wz2);
- gGL.vertex3f(wx-tic, wy, wz2-tic);
- }
- if(radioAction == E_LAND_LOWER || radioAction == E_LAND_NOISE) // down arrow
- {
- gGL.vertex3f(wx, wy, wz);
- gGL.vertex3f(wx+tic, wy, wz+tic);
- gGL.vertex3f(wx, wy, wz);
- gGL.vertex3f(wx-tic, wy, wz+tic);
- }
- if(radioAction == E_LAND_REVERT || radioAction == E_LAND_SMOOTH) // flat top
- {
- gGL.vertex3f(wx-tic, wy, wz2);
- gGL.vertex3f(wx+tic, wy, wz2);
- }
- if(radioAction == E_LAND_LEVEL || radioAction == E_LAND_SMOOTH) // flat bottom
- {
- gGL.vertex3f(wx-tic, wy, wz);
- gGL.vertex3f(wx+tic, wy, wz);
- }
- }
- }
- gGL.end();
- glPopMatrix();
- }
- void LLToolBrushLand::determineAffectedRegions(region_list_t& regions,
- const LLVector3d& spot ) const
- {
- LLVector3d corner(spot);
- corner.mdV[VX] -= (mBrushSize / 2);
- corner.mdV[VY] -= (mBrushSize / 2);
- LLViewerRegion* region = NULL;
- region = LLWorld::getInstance()->getRegionFromPosGlobal(corner);
- if(region && regions.find(region) == regions.end())
- {
- regions.insert(region);
- }
- corner.mdV[VY] += mBrushSize;
- region = LLWorld::getInstance()->getRegionFromPosGlobal(corner);
- if(region && regions.find(region) == regions.end())
- {
- regions.insert(region);
- }
- corner.mdV[VX] += mBrushSize;
- region = LLWorld::getInstance()->getRegionFromPosGlobal(corner);
- if(region && regions.find(region) == regions.end())
- {
- regions.insert(region);
- }
- corner.mdV[VY] -= mBrushSize;
- region = LLWorld::getInstance()->getRegionFromPosGlobal(corner);
- if(region && regions.find(region) == regions.end())
- {
- regions.insert(region);
- }
- }
- // static
- void LLToolBrushLand::onIdle( void* brush_tool )
- {
- LLToolBrushLand* self = reinterpret_cast<LLToolBrushLand*>(brush_tool);
- if( LLToolMgr::getInstance()->getCurrentTool() == self )
- {
- self->brush();
- }
- else
- {
- gIdleCallbacks.deleteFunction( &LLToolBrushLand::onIdle, self );
- }
- }
- void LLToolBrushLand::onMouseCaptureLost()
- {
- gIdleCallbacks.deleteFunction(&LLToolBrushLand::onIdle, this);
- }
- // static
- void LLToolBrushLand::undo()
- {
- for(region_list_t::iterator iter = mLastAffectedRegions.begin();
- iter != mLastAffectedRegions.end(); ++iter)
- {
- LLViewerRegion* regionp = *iter;
- gMessageSystem->newMessageFast(_PREHASH_UndoLand);
- gMessageSystem->nextBlockFast(_PREHASH_AgentData);
- gMessageSystem->addUUIDFast(_PREHASH_AgentID, gAgent.getID() );
- gMessageSystem->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
- gMessageSystem->sendMessage(regionp->getHost());
- }
- }
- // static
- /*
- void LLToolBrushLand::redo()
- {
- for(region_list_t::iterator iter = mLastAffectedRegions.begin();
- iter != mLastAffectedRegions.end(); ++iter)
- {
- LLViewerRegion* regionp = *iter;
- gMessageSystem->newMessageFast(_PREHASH_RedoLand);
- gMessageSystem->nextBlockFast(_PREHASH_AgentData);
- gMessageSystem->addUUIDFast(_PREHASH_AgentID, gAgent.getID() );
- gMessageSystem->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
- gMessageSystem->sendMessage(regionp->getHost());
- }
- }*/
- // static
- bool LLToolBrushLand::canTerraform(LLViewerRegion* regionp) const
- {
- if (!regionp) return false;
- if (regionp->canManageEstate()) return true;
- return !(regionp->getRegionFlags() & REGION_FLAGS_BLOCK_TERRAFORM);
- }
- // static
- void LLToolBrushLand::alertNoTerraform(LLViewerRegion* regionp)
- {
- if (!regionp) return;
-
- LLSD args;
- args["REGION"] = regionp->getName();
- LLNotificationsUtil::add("RegionNoTerraforming", args);
- }
- ///============================================================================
- /// Local function definitions
- ///============================================================================