Second Life viewer sources 1.13.2.12

1 files changed, 184 insertions, 0 deletions

diff --git a/linden/indra/newview/llvoground.cpp b/linden/indra/newview/llvoground.cpp
new file mode 100644
index 0000000..7001cb8
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+++ b/linden/indra/newview/llvoground.cpp
@@ -0,0 +1,184 @@
+/** 
+ * @file llvoground.cpp
+ * @brief LLVOGround class implementation
+ *
+ * Copyright (c) 2001-2007, Linden Research, Inc.
+ * 
+ * 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://secondlife.com/developers/opensource/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://secondlife.com/developers/opensource/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.
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llvoground.h"
+
+#include "llviewercontrol.h"
+
+#include "llagent.h"
+#include "lldrawable.h"
+#include "llface.h"
+#include "llsky.h"
+#include "llviewercamera.h"
+#include "llviewerregion.h"
+#include "pipeline.h"
+
+LLVOGround::LLVOGround(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp)
+:       LLViewerObject(id, pcode, regionp)
+{
+        mbCanSelect = FALSE;
+}
+
+
+LLVOGround::~LLVOGround()
+{
+}
+
+BOOL LLVOGround::idleUpdate(LLAgent &agent, LLWorld &world, const F64 &time)
+{
+        if (mDead || !(gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_GROUND)))
+        {
+                return TRUE;
+        }
+        
+        if (mDrawable)
+        {
+                gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_VOLUME, TRUE);
+        }
+        return TRUE;
+}
+
+
+void LLVOGround::updateTextures(LLAgent &agent)
+{
+}
+
+
+LLDrawable *LLVOGround::createDrawable(LLPipeline *pipeline)
+{
+        pipeline->allocDrawable(this);
+        mDrawable->setLit(FALSE);
+
+        LLDrawPool *poolp = gPipeline.getPool(LLDrawPool::POOL_GROUND);
+
+        mDrawable->addFace(poolp, NULL);
+
+        return mDrawable;
+}
+
+BOOL LLVOGround::updateGeometry(LLDrawable *drawable)
+{
+        LLStrider<LLVector3> verticesp;
+        LLStrider<LLVector3> normalsp;
+        LLStrider<LLVector2> texCoordsp;
+        U32 *indicesp;
+        S32 index_offset;
+        LLFace *face;   
+
+        if (drawable->getNumFaces() < 1)
+                drawable->addFace(gPipeline.getPool(LLDrawPool::POOL_GROUND), NULL);
+        face = drawable->getFace(0); 
+        face->setPrimType(LLTriangles);
+        face->setSize(6, 12);
+        index_offset = face->getGeometry(verticesp,normalsp,texCoordsp, indicesp);
+        if (-1 == index_offset)
+        {
+                return TRUE;
+        }
+
+        ///////////////////////////////////////
+        //
+        //
+        //
+        LLVector3 at_dir = gCamera->getAtAxis();
+        at_dir.mV[VZ] = 0.f;
+        if (at_dir.normVec() < 0.01)
+        {
+                // We really don't care, as we're not looking anywhere near the horizon.
+        }
+        LLVector3 left_dir = gCamera->getLeftAxis();
+        left_dir.mV[VZ] = 0.f;
+        left_dir.normVec();
+
+        // Our center top point
+        LLVector3 center_top, center_bottom;
+
+        LLColor4 ground_color = gSky.getFogColor();
+        ground_color.mV[3] = 1.f;
+        face->setFaceColor(ground_color);
+        
+        if (gCamera->getOrigin().mV[VZ] < gAgent.getRegion()->getWaterHeight())
+        {
+                // Underwater
+                //center_top = gCamera->getOrigin() + at_dir*gCamera->getFar();
+                center_top = gCamera->getOrigin() - LLVector3(0, 0, 5);
+                center_bottom = gCamera->getOrigin() + at_dir*gCamera->getFar();;
+                //center_top.mV[VZ] = gAgent.getRegion()->getWaterHeight() + 0.5f;
+                center_bottom.mV[VZ] = -100.f;
+        }
+        else
+        {
+                // Above water
+                center_top = gCamera->getOrigin() - LLVector3(0, 0, 30);
+                if ((gPipeline.getVertexShaderLevel(LLPipeline::SHADER_ENVIRONMENT) > 0))
+                {
+                        center_top.mV[VZ] = gAgent.getRegion()->getWaterHeight();
+                }
+                //center_top = gCamera->getOrigin() + at_dir*9000.f;
+                center_bottom = gCamera->getOrigin() - at_dir*gCamera->getFar();
+                //center_top.mV[VZ] = 0.f;
+                //center_bottom.mV[VZ] = gAgent.getRegion()->getWaterHeight();
+        }
+
+        *(verticesp++)  = center_top + LLVector3(6000, 6000, 0);
+        *(verticesp++)  = center_top + LLVector3(-6000, 6000, 0);
+        *(verticesp++)  = center_top + LLVector3(-6000, -6000, 0);
+        
+        *(verticesp++)  = center_top + LLVector3(-6000, -6000, 0);
+        *(verticesp++)  = center_top + LLVector3(6000, -6000, 0);
+        *(verticesp++)  = center_top + LLVector3(6000, 6000, 0);
+        
+        
+        // Triangles for each side
+        *indicesp++ = index_offset + 0;
+        *indicesp++ = index_offset + 1;
+        *indicesp++ = index_offset + 3;
+
+        *indicesp++ = index_offset + 0;
+        *indicesp++ = index_offset + 3;
+        *indicesp++ = index_offset + 2;
+
+        *indicesp++ = index_offset + 2;
+        *indicesp++ = index_offset + 3;
+        *indicesp++ = index_offset + 5;
+
+        *indicesp++ = index_offset + 2;
+        *indicesp++ = index_offset + 5;
+        *indicesp++ = index_offset + 4;
+
+        *(texCoordsp++) = LLVector2(0.f, 0.f);
+        *(texCoordsp++) = LLVector2(1.f, 0.f);
+        *(texCoordsp++) = LLVector2(0.f, 1.f);
+        *(texCoordsp++) = LLVector2(1.f, 1.f);
+        *(texCoordsp++) = LLVector2(0.f, 2.f);
+        *(texCoordsp++) = LLVector2(1.f, 2.f);
+
+        LLPipeline::sCompiles++;
+        return TRUE;
+}