Second Life viewer sources 1.13.2.12

1 files changed, 553 insertions, 0 deletions

diff --git a/linden/indra/llprimitive/llvolumemessage.cpp b/linden/indra/llprimitive/llvolumemessage.cpp
new file mode 100644
index 0000000..cecd2c2
--- /dev/null
+++ b/linden/indra/llprimitive/llvolumemessage.cpp
@@ -0,0 +1,553 @@
+/** 
+ * @file llvolumemessage.cpp
+ * @brief LLVolumeMessage base class
+ *
+ * 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 "linden_common.h"
+
+#include "message.h"
+#include "llvolumemessage.h"
+#include "lldatapacker.h"
+
+//============================================================================
+
+// LLVolumeMessage is just a wrapper class; all members are static
+
+//============================================================================
+
+bool LLVolumeMessage::packProfileParams(
+        const LLProfileParams* params,
+        LLMessageSystem *mesgsys)
+{
+        // Default to cylinder
+        static LLProfileParams defaultparams(LL_PCODE_PROFILE_CIRCLE, U8(0), U8(0), U8(0));
+        
+        if (!params)
+                params = &defaultparams;
+        
+        U8 tempU8;
+        tempU8 = params->getCurveType();
+        mesgsys->addU8Fast(_PREHASH_ProfileCurve, tempU8);
+
+        tempU8 = (U8) llround( params->getBegin() / CUT_QUANTA);
+        mesgsys->addU8Fast(_PREHASH_ProfileBegin, tempU8);
+
+        tempU8 = 200 - (U8) llround(params->getEnd() / CUT_QUANTA);
+        mesgsys->addU8Fast(_PREHASH_ProfileEnd, tempU8);
+
+        tempU8 = (S8) llround(params->getHollow() / SHEAR_QUANTA);
+        mesgsys->addU8Fast(_PREHASH_ProfileHollow, tempU8);
+
+        return true;
+}
+
+bool LLVolumeMessage::packProfileParams(
+        const LLProfileParams* params,
+        LLDataPacker &dp)
+{
+        // Default to cylinder
+        static LLProfileParams defaultparams(LL_PCODE_PROFILE_CIRCLE, U8(0), U8(0), U8(0));
+        
+        if (!params)
+                params = &defaultparams;
+        
+        U8 tempU8;
+        tempU8 = params->getCurveType();
+        dp.packU8(tempU8, "Curve");
+
+        tempU8 = (U8) llround( params->getBegin() / CUT_QUANTA);
+        dp.packU8(tempU8, "Begin");
+
+        tempU8 = 200 - (U8) llround(params->getEnd() / CUT_QUANTA);
+        dp.packU8(tempU8, "End");
+
+        tempU8 = (S8) llround(params->getHollow() / SHEAR_QUANTA);
+        dp.packU8(tempU8, "Hollow");
+        return true;
+}
+
+bool LLVolumeMessage::unpackProfileParams(
+        LLProfileParams* params,
+        LLMessageSystem* mesgsys,
+        char* block_name,
+        S32 block_num)
+{
+        bool ok = true;
+        U8 temp_u8;
+        F32 temp_f32;
+
+        mesgsys->getU8Fast(block_name, _PREHASH_ProfileCurve, temp_u8, block_num);
+        params->setCurveType(temp_u8);
+
+        mesgsys->getU8Fast(block_name, _PREHASH_ProfileBegin, temp_u8, block_num);
+        temp_f32 = temp_u8 * CUT_QUANTA;
+        if (temp_f32 > 1.f)
+        {
+                llwarns << "Profile begin out of range: " << temp_f32
+                        << ". Clamping to 0.0." << llendl;
+                temp_f32 = 0.f;
+                ok = false;
+        }
+        params->setBegin(temp_f32);
+
+        mesgsys->getU8Fast(block_name, _PREHASH_ProfileEnd, temp_u8, block_num);
+        temp_f32 = temp_u8 * CUT_QUANTA;
+        if (temp_f32 > 1.f)
+        {
+                llwarns << "Profile end out of range: " << 1.f - temp_f32
+                        << ". Clamping to 1.0." << llendl;
+                temp_f32 = 1.f;
+                ok = false;
+        }
+        params->setEnd(1.f - temp_f32);
+
+        mesgsys->getU8Fast(block_name, _PREHASH_ProfileHollow, temp_u8, block_num);
+        temp_f32 = temp_u8 * SCALE_QUANTA;
+        if (temp_f32 > 1.f)
+        {
+                llwarns << "Profile hollow out of range: " << temp_f32
+                        << ". Clamping to 0.0." << llendl;
+                temp_f32 = 0.f;
+                ok = false;
+        }
+        params->setHollow(temp_f32);
+
+        /*
+        llinfos << "Unpacking Profile Block " << block_num << llendl;
+        llinfos << "Curve:     " << (U32)getCurve() << llendl;
+        llinfos << "Begin:     " << getBegin() << llendl;
+        llinfos << "End:     " << getEnd() << llendl;
+        llinfos << "Hollow:     " << getHollow() << llendl;
+        */
+        return ok;
+
+}
+
+bool LLVolumeMessage::unpackProfileParams(
+        LLProfileParams* params,
+        LLDataPacker &dp)
+{
+        bool ok = true;
+        U8 temp_u8;
+        F32 temp_f32;
+
+        dp.unpackU8(temp_u8, "Curve");
+        params->setCurveType(temp_u8);
+
+        dp.unpackU8(temp_u8, "Begin");
+        temp_f32 = temp_u8 * CUT_QUANTA;
+        if (temp_f32 > 1.f)
+        {
+                llwarns << "Profile begin out of range: " << temp_f32 << llendl;
+                llwarns << "Clamping to 0.0" << llendl;
+                temp_f32 = 0.f;
+                ok = false;
+        }
+        params->setBegin(temp_f32);
+
+        dp.unpackU8(temp_u8, "End");
+        temp_f32 = temp_u8 * CUT_QUANTA;
+        if (temp_f32 > 1.f)
+        {
+                llwarns << "Profile end out of range: " << 1.f - temp_f32 << llendl;
+                llwarns << "Clamping to 1.0" << llendl;
+                temp_f32 = 1.f;
+                ok = false;
+        }
+        params->setEnd(1.f - temp_f32);
+
+        dp.unpackU8(temp_u8, "Hollow");
+        temp_f32 = temp_u8 * SCALE_QUANTA;
+        if (temp_f32 > 1.f)
+        {
+                llwarns << "Profile hollow out of range: " << temp_f32 << llendl;
+                llwarns << "Clamping to 0.0" << llendl;
+                temp_f32 = 0.f;
+                ok = false;
+        }
+        params->setHollow(temp_f32);
+
+        return ok;
+}
+
+//============================================================================
+
+// Quantization:
+// For cut begin, range is 0 to 1, quanta is 0.005, 0 maps to 0
+// For cut end, range is 0 to 1, quanta is 0.005, 1 maps to 0
+// For scale, range is 0 to 1, quanta is 0.01, 0 maps to 0, 1 maps to 100
+// For shear, range is -0.5 to 0.5, quanta is 0.01, 0 maps to 0
+// For taper, range is -1 to 1, quanta is 0.01, 0 maps to 0
+bool LLVolumeMessage::packPathParams(
+        const LLPathParams* params,
+        LLMessageSystem *mesgsys)
+{
+        // Default to cylinder with no cut, top same size as bottom, no shear, no twist
+        static LLPathParams defaultparams(LL_PCODE_PATH_LINE, U8(0), U8(0), U8(0), U8(0), U8(0), U8(0), U8(0), U8(0), U8(0), U8(0), U8(0), U8(0), 0);
+        if (!params)
+                params = &defaultparams;
+        
+        U8 curve = params->getCurveType();
+        mesgsys->addU8Fast(_PREHASH_PathCurve, curve);
+
+        U8 begin = (U8) llround(params->getBegin() / SCALE_QUANTA);
+        mesgsys->addU8Fast(_PREHASH_PathBegin, begin);
+
+        U8 end = 100 - (U8) llround(params->getEnd() / SCALE_QUANTA);
+        mesgsys->addU8Fast(_PREHASH_PathEnd, end);
+
+        // Avoid truncation problem with direct F32->U8 cast.
+        // (e.g., (U8) (0.50 / 0.01) = (U8) 49.9999999 = 49 not 50.
+
+        U8 pack_scale_x = 200 - (U8) llround(params->getScaleX() / SCALE_QUANTA);
+        mesgsys->addU8Fast(_PREHASH_PathScaleX, pack_scale_x );
+
+        U8 pack_scale_y = 200 - (U8) llround(params->getScaleY() / SCALE_QUANTA);
+        mesgsys->addU8Fast(_PREHASH_PathScaleY, pack_scale_y );
+
+        U8 pack_shear_x = (U8) llround(params->getShearX() / SHEAR_QUANTA);
+        mesgsys->addU8Fast(_PREHASH_PathShearX, pack_shear_x );
+
+        U8 pack_shear_y = (U8) llround(params->getShearY() / SHEAR_QUANTA);
+        mesgsys->addU8Fast(_PREHASH_PathShearY, pack_shear_y );
+
+        S8 twist = (S8) llround(params->getTwist() / SCALE_QUANTA);
+        mesgsys->addS8Fast(_PREHASH_PathTwist, twist);
+
+        S8 twist_begin = (S8) llround(params->getTwistBegin() / SCALE_QUANTA);
+        mesgsys->addS8Fast(_PREHASH_PathTwistBegin, twist_begin);
+
+        S8 radius_offset = (S8) llround(params->getRadiusOffset() / SCALE_QUANTA);
+        mesgsys->addS8Fast(_PREHASH_PathRadiusOffset, radius_offset);
+
+        S8 taper_x = (S8) llround(params->getTaperX() / TAPER_QUANTA);
+        mesgsys->addS8Fast(_PREHASH_PathTaperX, taper_x);
+
+        S8 taper_y = (S8) llround(params->getTaperY() / TAPER_QUANTA);
+        mesgsys->addS8Fast(_PREHASH_PathTaperY, taper_y);
+
+        U8 revolutions = (U8) llround( (params->getRevolutions() - 1.0f) / REV_QUANTA);
+        mesgsys->addU8Fast(_PREHASH_PathRevolutions, revolutions);
+
+        S8 skew = (S8) llround(params->getSkew() / SCALE_QUANTA);
+        mesgsys->addS8Fast(_PREHASH_PathSkew, skew);
+
+        return true;
+}
+
+bool LLVolumeMessage::packPathParams(
+        const LLPathParams* params,
+        LLDataPacker &dp)
+{
+        // Default to cylinder with no cut, top same size as bottom, no shear, no twist
+        static LLPathParams defaultparams(LL_PCODE_PATH_LINE, U8(0), U8(0), U8(0), U8(0), U8(0), U8(0), U8(0), U8(0), U8(0), U8(0), U8(0), U8(0), 0);
+        if (!params)
+                params = &defaultparams;
+        
+        U8 curve = params->getCurveType();
+        dp.packU8(curve, "Curve");
+
+        U8 begin = (U8) llround(params->getBegin() / SCALE_QUANTA);
+        dp.packU8(begin, "Begin");
+
+        U8 end = 100 - (U8) llround(params->getEnd() / SCALE_QUANTA);
+        dp.packU8(end, "End");
+
+        // Avoid truncation problem with direct F32->U8 cast.
+        // (e.g., (U8) (0.50 / 0.01) = (U8) 49.9999999 = 49 not 50.
+
+        U8 pack_scale_x = 200 - (U8) llround(params->getScaleX() / SCALE_QUANTA);
+        dp.packU8(pack_scale_x, "ScaleX");
+
+        U8 pack_scale_y = 200 - (U8) llround(params->getScaleY() / SCALE_QUANTA);
+        dp.packU8(pack_scale_y, "ScaleY");
+
+        S8 pack_shear_x = (S8) llround(params->getShearX() / SHEAR_QUANTA);
+        dp.packU8(*(U8 *)&pack_shear_x, "ShearX");
+
+        S8 pack_shear_y = (S8) llround(params->getShearY() / SHEAR_QUANTA);
+        dp.packU8(*(U8 *)&pack_shear_y, "ShearY");
+
+        S8 twist = (S8) llround(params->getTwist() / SCALE_QUANTA);
+        dp.packU8(*(U8 *)&twist, "Twist");
+        
+        S8 twist_begin = (S8) llround(params->getTwistBegin() / SCALE_QUANTA);
+        dp.packU8(*(U8 *)&twist_begin, "TwistBegin");
+
+        S8 radius_offset = (S8) llround(params->getRadiusOffset() / SCALE_QUANTA);
+        dp.packU8(*(U8 *)&radius_offset, "RadiusOffset");
+
+        S8 taper_x = (S8) llround(params->getTaperX() / TAPER_QUANTA);
+        dp.packU8(*(U8 *)&taper_x, "TaperX");
+
+        S8 taper_y = (S8) llround(params->getTaperY() / TAPER_QUANTA);
+        dp.packU8(*(U8 *)&taper_y, "TaperY");
+
+        U8 revolutions = (U8) llround( (params->getRevolutions() - 1.0f) / REV_QUANTA);
+        dp.packU8(*(U8 *)&revolutions, "Revolutions");
+
+        S8 skew = (S8) llround(params->getSkew() / SCALE_QUANTA);
+        dp.packU8(*(U8 *)&skew, "Skew");
+
+        return true;
+}
+
+bool LLVolumeMessage::unpackPathParams(
+        LLPathParams* params,
+        LLMessageSystem* mesgsys,
+        char* block_name,
+        S32 block_num)
+{
+        U8 curve;
+        mesgsys->getU8Fast(block_name, _PREHASH_PathCurve, curve, block_num);
+        params->setCurveType(curve);
+
+        U8 begin;
+        mesgsys->getU8Fast(block_name, _PREHASH_PathBegin, begin, block_num);
+        params->setBegin((F32)(begin * SCALE_QUANTA));
+
+        U8 end;
+        mesgsys->getU8Fast(block_name, _PREHASH_PathEnd, end, block_num);
+        params->setEnd((F32)((100 - end) * SCALE_QUANTA));
+
+        U8 pack_scale_x, pack_scale_y;
+        mesgsys->getU8Fast(block_name, _PREHASH_PathScaleX, pack_scale_x, block_num);
+        mesgsys->getU8Fast(block_name, _PREHASH_PathScaleY, pack_scale_y, block_num);
+        F32 x = (F32) (200 - pack_scale_x) * SCALE_QUANTA;
+        F32 y = (F32) (200 - pack_scale_y) * SCALE_QUANTA;
+        params->setScale( x, y );
+
+        S8 shear_x_quant, shear_y_quant;
+        mesgsys->getS8Fast(block_name, _PREHASH_PathShearX, shear_x_quant, block_num);
+        mesgsys->getS8Fast(block_name, _PREHASH_PathShearY, shear_y_quant, block_num);
+        F32 shear_x = (F32) shear_x_quant * SHEAR_QUANTA;
+        F32 shear_y = (F32) shear_y_quant * SHEAR_QUANTA;
+        params->setShear( shear_x, shear_y );
+
+        S8 twist;
+        mesgsys->getS8Fast(block_name, _PREHASH_PathTwist, twist, block_num );
+        params->setTwist((F32)(twist * SCALE_QUANTA));
+
+        S8 twist_begin;
+        mesgsys->getS8Fast(block_name, _PREHASH_PathTwistBegin, twist_begin, block_num );
+        params->setTwistBegin((F32)(twist_begin * SCALE_QUANTA));
+        
+        S8 radius_offset;
+        mesgsys->getS8Fast(block_name, _PREHASH_PathRadiusOffset, radius_offset, block_num );
+        params->setRadiusOffset((F32)(radius_offset * SCALE_QUANTA));
+
+        S8 taper_x_quant, taper_y_quant;
+        mesgsys->getS8Fast(block_name, _PREHASH_PathTaperX, taper_x_quant, block_num );
+        mesgsys->getS8Fast(block_name, _PREHASH_PathTaperY, taper_y_quant, block_num );
+        F32 taper_x = (F32)(taper_x_quant * TAPER_QUANTA);
+        F32 taper_y = (F32)(taper_y_quant * TAPER_QUANTA);
+        params->setTaper( taper_x, taper_y );
+
+        U8 revolutions;
+        mesgsys->getU8Fast(block_name, _PREHASH_PathRevolutions, revolutions, block_num );
+        params->setRevolutions((F32)(revolutions * REV_QUANTA + 1.0f));
+
+        S8 skew;
+        mesgsys->getS8Fast(block_name, _PREHASH_PathSkew, skew, block_num );
+        params->setSkew((F32)(skew * SCALE_QUANTA));
+
+/*
+        llinfos << "Unpacking Path Block " << block_num << llendl;
+        llinfos << "Curve:     " << (U32)params->getCurve() << llendl;
+        llinfos << "Begin:     " << params->getBegin() << llendl;
+        llinfos << "End:     " << params->getEnd() << llendl;
+        llinfos << "Scale:     " << params->getScale() << llendl;
+        llinfos << "Twist:     " << params->getTwist() << llendl;
+*/
+
+        return true;
+
+}
+
+bool LLVolumeMessage::unpackPathParams(LLPathParams* params, LLDataPacker &dp)
+{
+        U8 value;
+        S8 svalue;
+        dp.unpackU8(value, "Curve");
+        params->setCurveType( value );
+
+        dp.unpackU8(value, "Begin");
+        params->setBegin((F32)(value * SCALE_QUANTA));
+
+        dp.unpackU8(value, "End");
+        params->setEnd((F32)((100 - value) * SCALE_QUANTA));
+
+        dp.unpackU8(value, "ScaleX");
+        F32 x = (F32) (200 - value) * SCALE_QUANTA;
+        dp.unpackU8(value, "ScaleY");
+        F32 y = (F32) (200 - value) * SCALE_QUANTA;
+        params->setScale( x, y );
+
+        dp.unpackU8(value, "ShearX");
+        svalue = *(S8 *)&value;
+        F32 shear_x = (F32) svalue * SHEAR_QUANTA;
+        dp.unpackU8(value, "ShearY");
+        svalue = *(S8 *)&value;
+        F32 shear_y = (F32) svalue * SHEAR_QUANTA;
+        params->setShear( shear_x, shear_y );
+
+        dp.unpackU8(value, "Twist");
+        svalue = *(S8 *)&value;
+        params->setTwist((F32)(svalue * SCALE_QUANTA));
+
+        dp.unpackU8(value, "TwistBegin");
+        svalue = *(S8 *)&value;
+        params->setTwistBegin((F32)(svalue * SCALE_QUANTA));
+
+        dp.unpackU8(value, "RadiusOffset");
+        svalue = *(S8 *)&value;
+        params->setRadiusOffset((F32)(svalue * SCALE_QUANTA));
+
+        dp.unpackU8(value, "TaperX");
+        svalue = *(S8 *)&value;
+        params->setTaperX((F32)(svalue * TAPER_QUANTA));
+
+        dp.unpackU8(value, "TaperY");
+        svalue = *(S8 *)&value;
+        params->setTaperY((F32)(svalue * TAPER_QUANTA));
+
+        dp.unpackU8(value, "Revolutions");
+        params->setRevolutions((F32)(value * REV_QUANTA + 1.0f));
+
+        dp.unpackU8(value, "Skew");
+        svalue = *(S8 *)&value;
+        params->setSkew((F32)(svalue * SCALE_QUANTA));
+
+        return true;
+}
+
+//============================================================================
+
+// static
+bool LLVolumeMessage::constrainVolumeParams(LLVolumeParams& params)
+{
+        bool ok = true;
+
+        // This is called immediately after an unpack. feed the raw data
+        // through the checked setters to constraint it to a valid set of
+        // volume params.
+        ok &= params.setType(
+                params.getProfileParams().getCurveType(),
+                params.getPathParams().getCurveType());
+        ok &= params.setBeginAndEndS(
+                params.getProfileParams().getBegin(),
+                params.getProfileParams().getEnd());
+        ok &= params.setBeginAndEndT(
+                params.getPathParams().getBegin(),
+                params.getPathParams().getEnd());
+        ok &= params.setHollow(params.getProfileParams().getHollow());
+        ok &= params.setTwistBegin(params.getPathParams().getTwistBegin());
+        ok &= params.setTwistEnd(params.getPathParams().getTwistEnd());
+        ok &= params.setRatio(
+                params.getPathParams().getScaleX(),
+                params.getPathParams().getScaleY());
+        ok &= params.setShear(
+                params.getPathParams().getShearX(),
+                params.getPathParams().getShearY());
+        ok &= params.setTaper(
+                params.getPathParams().getTaperX(),
+                params.getPathParams().getTaperY());
+        ok &= params.setRevolutions(params.getPathParams().getRevolutions());
+        ok &= params.setRadiusOffset(params.getPathParams().getRadiusOffset());
+        ok &= params.setSkew(params.getPathParams().getSkew());
+        if(!ok)
+        {
+                llwarns << "LLVolumeMessage::constrainVolumeParams() - "
+                        << "forced to constrain incoming volume params." << llendl;
+        }
+        return ok;
+}
+
+bool LLVolumeMessage::packVolumeParams(const LLVolumeParams* params, LLMessageSystem *mesgsys)
+{
+        // llinfos << "pack volume" << llendl;
+        if (params)
+        {
+                packPathParams(&params->getPathParams(), mesgsys);
+                packProfileParams(&params->getProfileParams(), mesgsys);
+        }
+        else
+        {
+                packPathParams(0, mesgsys);
+                packProfileParams(0, mesgsys);
+        }
+        return true;
+}
+
+bool LLVolumeMessage::packVolumeParams(const LLVolumeParams* params, LLDataPacker &dp)
+{
+        // llinfos << "pack volume" << llendl;
+        if (params)
+        {
+                packPathParams(&params->getPathParams(), dp);
+                packProfileParams(&params->getProfileParams(), dp);
+        }
+        else
+        {
+                packPathParams(0, dp);
+                packProfileParams(0, dp);
+        }
+        return true;
+}
+
+bool LLVolumeMessage::unpackVolumeParams(
+        LLVolumeParams* params,
+        LLMessageSystem* mesgsys,
+        char* block_name,
+        S32 block_num)
+{
+        bool ok = true;
+        ok &= unpackPathParams(
+                &params->getPathParams(),
+                mesgsys,
+                block_name,
+                block_num);
+        ok &= unpackProfileParams(
+                &params->getProfileParams(),
+                mesgsys,
+                block_name,
+                block_num);
+        ok &= constrainVolumeParams(*params);
+                
+        return ok;
+}
+
+bool LLVolumeMessage::unpackVolumeParams(
+        LLVolumeParams* params,
+        LLDataPacker &dp)
+{
+        bool ok = true;
+        ok &= unpackPathParams(&params->getPathParams(), dp);
+        ok &= unpackProfileParams(&params->getProfileParams(), dp);
+        ok &= constrainVolumeParams(*params);
+        return ok;
+}
+
+//============================================================================