161 lines
4.2 KiB
C++
161 lines
4.2 KiB
C++
/**
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* @file llvoground.cpp
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* @brief LLVOGround class implementation
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*
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* $LicenseInfo:firstyear=2001&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "llviewerprecompiledheaders.h"
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#include "llvoground.h"
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#include "lldrawpoolground.h"
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#include "llviewercontrol.h"
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#include "lldrawable.h"
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#include "llface.h"
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#include "llsky.h"
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#include "llviewercamera.h"
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#include "llviewerregion.h"
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#include "pipeline.h"
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LLVOGround::LLVOGround(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp)
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: LLStaticViewerObject(id, pcode, regionp, TRUE)
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{
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mbCanSelect = FALSE;
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}
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LLVOGround::~LLVOGround()
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{
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}
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void LLVOGround::idleUpdate(LLAgent &agent, LLWorld &world, const F64 &time)
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{
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}
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void LLVOGround::updateTextures()
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{
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}
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LLDrawable *LLVOGround::createDrawable(LLPipeline *pipeline)
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{
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pipeline->allocDrawable(this);
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mDrawable->setLit(FALSE);
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mDrawable->setRenderType(LLPipeline::RENDER_TYPE_GROUND);
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LLDrawPoolGround *poolp = (LLDrawPoolGround*) gPipeline.getPool(LLDrawPool::POOL_GROUND);
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mDrawable->addFace(poolp, NULL);
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return mDrawable;
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}
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// TO DO - this always returns TRUE,
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BOOL LLVOGround::updateGeometry(LLDrawable *drawable)
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{
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LLStrider<LLVector3> verticesp;
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LLStrider<LLVector3> normalsp;
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LLStrider<LLVector2> texCoordsp;
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LLStrider<U16> indicesp;
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S32 index_offset;
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LLFace *face;
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LLDrawPoolGround *poolp = (LLDrawPoolGround*) gPipeline.getPool(LLDrawPool::POOL_GROUND);
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if (drawable->getNumFaces() < 1)
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drawable->addFace(poolp, NULL);
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face = drawable->getFace(0);
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if (!face)
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return TRUE;
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if (!face->getVertexBuffer())
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{
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face->setSize(5, 12);
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LLVertexBuffer* buff = new LLVertexBuffer(LLDrawPoolGround::VERTEX_DATA_MASK, GL_STREAM_DRAW_ARB);
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buff->allocateBuffer(face->getGeomCount(), face->getIndicesCount(), TRUE);
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face->setGeomIndex(0);
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face->setIndicesIndex(0);
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face->setVertexBuffer(buff);
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}
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index_offset = face->getGeometry(verticesp,normalsp,texCoordsp, indicesp);
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if (-1 == index_offset)
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{
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return TRUE;
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}
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///////////////////////////////////////
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//
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//
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//
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LLVector3 at_dir = LLViewerCamera::getInstance()->getAtAxis();
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at_dir.mV[VZ] = 0.f;
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if (at_dir.normVec() < 0.01)
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{
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// We really don't care, as we're not looking anywhere near the horizon.
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}
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LLVector3 left_dir = LLViewerCamera::getInstance()->getLeftAxis();
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left_dir.mV[VZ] = 0.f;
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left_dir.normVec();
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// Our center top point
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LLColor4 ground_color = gSky.getFogColor();
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ground_color.mV[3] = 1.f;
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face->setFaceColor(ground_color);
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*(verticesp++) = LLVector3(64, 64, 0);
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*(verticesp++) = LLVector3(-64, 64, 0);
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*(verticesp++) = LLVector3(-64, -64, 0);
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*(verticesp++) = LLVector3(64, -64, 0);
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*(verticesp++) = LLVector3(0, 0, -1024);
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// Triangles for each side
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*indicesp++ = index_offset + 0;
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*indicesp++ = index_offset + 1;
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*indicesp++ = index_offset + 4;
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*indicesp++ = index_offset + 1;
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*indicesp++ = index_offset + 2;
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*indicesp++ = index_offset + 4;
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*indicesp++ = index_offset + 2;
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*indicesp++ = index_offset + 3;
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*indicesp++ = index_offset + 4;
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*indicesp++ = index_offset + 3;
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*indicesp++ = index_offset + 0;
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*indicesp++ = index_offset + 4;
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*(texCoordsp++) = LLVector2(0.f, 0.f);
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*(texCoordsp++) = LLVector2(1.f, 0.f);
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*(texCoordsp++) = LLVector2(1.f, 1.f);
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*(texCoordsp++) = LLVector2(0.f, 1.f);
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*(texCoordsp++) = LLVector2(0.5f, 0.5f);
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face->getVertexBuffer()->flush();
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return TRUE;
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}
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