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-rw-r--r--indra/llmessage/llpartdata.cpp542
1 files changed, 271 insertions, 271 deletions
diff --git a/indra/llmessage/llpartdata.cpp b/indra/llmessage/llpartdata.cpp
index 6664eb02dc..320b61b905 100644
--- a/indra/llmessage/llpartdata.cpp
+++ b/indra/llmessage/llpartdata.cpp
@@ -1,25 +1,25 @@
-/**
+/**
* @file llpartdata.cpp
* @brief Particle system data packing
*
* $LicenseInfo:firstyear=2003&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
- *
+ *
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
- *
+ *
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
- *
+ *
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
+ *
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
@@ -42,10 +42,10 @@ const S32 PS_PART_DATA_BLEND_SIZE = 2;
const S32 PS_LEGACY_PART_DATA_BLOCK_SIZE = 4 + 2 + 4 + 4 + 2 + 2; //18
const S32 PS_SYS_DATA_BLOCK_SIZE = 68;
const S32 PS_MAX_DATA_BLOCK_SIZE = PS_SYS_DATA_BLOCK_SIZE+
- PS_LEGACY_PART_DATA_BLOCK_SIZE +
- PS_PART_DATA_BLEND_SIZE +
- PS_PART_DATA_GLOW_SIZE+
- 8; //two S32 size fields
+ PS_LEGACY_PART_DATA_BLOCK_SIZE +
+ PS_PART_DATA_BLEND_SIZE +
+ PS_PART_DATA_GLOW_SIZE+
+ 8; //two S32 size fields
const S32 PS_LEGACY_DATA_BLOCK_SIZE = PS_SYS_DATA_BLOCK_SIZE + PS_LEGACY_PART_DATA_BLOCK_SIZE;
@@ -53,367 +53,367 @@ const F32 MAX_PART_SCALE = 4.f;
bool LLPartData::hasGlow() const
{
- return mStartGlow > 0.f || mEndGlow > 0.f;
+ return mStartGlow > 0.f || mEndGlow > 0.f;
}
bool LLPartData::hasBlendFunc() const
{
- return mBlendFuncSource != LLPartData::LL_PART_BF_SOURCE_ALPHA || mBlendFuncDest != LLPartData::LL_PART_BF_ONE_MINUS_SOURCE_ALPHA;
+ return mBlendFuncSource != LLPartData::LL_PART_BF_SOURCE_ALPHA || mBlendFuncDest != LLPartData::LL_PART_BF_ONE_MINUS_SOURCE_ALPHA;
}
S32 LLPartData::getSize() const
{
- S32 size = PS_LEGACY_PART_DATA_BLOCK_SIZE;
- if (hasGlow()) size += PS_PART_DATA_GLOW_SIZE;
- if (hasBlendFunc()) size += PS_PART_DATA_BLEND_SIZE;
+ S32 size = PS_LEGACY_PART_DATA_BLOCK_SIZE;
+ if (hasGlow()) size += PS_PART_DATA_GLOW_SIZE;
+ if (hasBlendFunc()) size += PS_PART_DATA_BLEND_SIZE;
- return size;
+ return size;
}
BOOL LLPartData::unpackLegacy(LLDataPacker &dp)
{
- LLColor4U coloru;
-
- dp.unpackU32(mFlags, "pdflags");
- dp.unpackFixed(mMaxAge, "pdmaxage", FALSE, 8, 8);
-
- dp.unpackColor4U(coloru, "pdstartcolor");
- mStartColor.setVec(coloru);
- dp.unpackColor4U(coloru, "pdendcolor");
- mEndColor.setVec(coloru);
- dp.unpackFixed(mStartScale.mV[0], "pdstartscalex", FALSE, 3, 5);
- dp.unpackFixed(mStartScale.mV[1], "pdstartscaley", FALSE, 3, 5);
- dp.unpackFixed(mEndScale.mV[0], "pdendscalex", FALSE, 3, 5);
- dp.unpackFixed(mEndScale.mV[1], "pdendscaley", FALSE, 3, 5);
-
- mStartGlow = 0.f;
- mEndGlow = 0.f;
- mBlendFuncSource = LLPartData::LL_PART_BF_SOURCE_ALPHA;
- mBlendFuncDest = LLPartData::LL_PART_BF_ONE_MINUS_SOURCE_ALPHA;
-
- return TRUE;
+ LLColor4U coloru;
+
+ dp.unpackU32(mFlags, "pdflags");
+ dp.unpackFixed(mMaxAge, "pdmaxage", FALSE, 8, 8);
+
+ dp.unpackColor4U(coloru, "pdstartcolor");
+ mStartColor.setVec(coloru);
+ dp.unpackColor4U(coloru, "pdendcolor");
+ mEndColor.setVec(coloru);
+ dp.unpackFixed(mStartScale.mV[0], "pdstartscalex", FALSE, 3, 5);
+ dp.unpackFixed(mStartScale.mV[1], "pdstartscaley", FALSE, 3, 5);
+ dp.unpackFixed(mEndScale.mV[0], "pdendscalex", FALSE, 3, 5);
+ dp.unpackFixed(mEndScale.mV[1], "pdendscaley", FALSE, 3, 5);
+
+ mStartGlow = 0.f;
+ mEndGlow = 0.f;
+ mBlendFuncSource = LLPartData::LL_PART_BF_SOURCE_ALPHA;
+ mBlendFuncDest = LLPartData::LL_PART_BF_ONE_MINUS_SOURCE_ALPHA;
+
+ return TRUE;
}
BOOL LLPartData::unpack(LLDataPacker &dp)
{
- S32 size = 0;
- dp.unpackS32(size, "partsize");
-
- unpackLegacy(dp);
- size -= PS_LEGACY_PART_DATA_BLOCK_SIZE;
-
- if (mFlags & LL_PART_DATA_GLOW)
- {
- if (size < PS_PART_DATA_GLOW_SIZE) return FALSE;
-
- U8 tmp_glow = 0;
- dp.unpackU8(tmp_glow,"pdstartglow");
- mStartGlow = tmp_glow / 255.f;
- dp.unpackU8(tmp_glow,"pdendglow");
- mEndGlow = tmp_glow / 255.f;
-
- size -= PS_PART_DATA_GLOW_SIZE;
- }
- else
- {
- mStartGlow = 0.f;
- mEndGlow = 0.f;
- }
-
- if (mFlags & LL_PART_DATA_BLEND)
- {
- if (size < PS_PART_DATA_BLEND_SIZE) return FALSE;
- dp.unpackU8(mBlendFuncSource,"pdblendsource");
- dp.unpackU8(mBlendFuncDest,"pdblenddest");
- size -= PS_PART_DATA_BLEND_SIZE;
- }
- else
- {
- mBlendFuncSource = LLPartData::LL_PART_BF_SOURCE_ALPHA;
- mBlendFuncDest = LLPartData::LL_PART_BF_ONE_MINUS_SOURCE_ALPHA;
- }
-
- if (size > 0)
- { //leftover bytes, unrecognized parameters
- U8 feh = 0;
- while (size > 0)
- { //read remaining bytes in block
- dp.unpackU8(feh, "whippang");
- size--;
- }
-
- //this particle system won't display properly, better to not show anything
- return FALSE;
- }
-
-
- return TRUE;
+ S32 size = 0;
+ dp.unpackS32(size, "partsize");
+
+ unpackLegacy(dp);
+ size -= PS_LEGACY_PART_DATA_BLOCK_SIZE;
+
+ if (mFlags & LL_PART_DATA_GLOW)
+ {
+ if (size < PS_PART_DATA_GLOW_SIZE) return FALSE;
+
+ U8 tmp_glow = 0;
+ dp.unpackU8(tmp_glow,"pdstartglow");
+ mStartGlow = tmp_glow / 255.f;
+ dp.unpackU8(tmp_glow,"pdendglow");
+ mEndGlow = tmp_glow / 255.f;
+
+ size -= PS_PART_DATA_GLOW_SIZE;
+ }
+ else
+ {
+ mStartGlow = 0.f;
+ mEndGlow = 0.f;
+ }
+
+ if (mFlags & LL_PART_DATA_BLEND)
+ {
+ if (size < PS_PART_DATA_BLEND_SIZE) return FALSE;
+ dp.unpackU8(mBlendFuncSource,"pdblendsource");
+ dp.unpackU8(mBlendFuncDest,"pdblenddest");
+ size -= PS_PART_DATA_BLEND_SIZE;
+ }
+ else
+ {
+ mBlendFuncSource = LLPartData::LL_PART_BF_SOURCE_ALPHA;
+ mBlendFuncDest = LLPartData::LL_PART_BF_ONE_MINUS_SOURCE_ALPHA;
+ }
+
+ if (size > 0)
+ { //leftover bytes, unrecognized parameters
+ U8 feh = 0;
+ while (size > 0)
+ { //read remaining bytes in block
+ dp.unpackU8(feh, "whippang");
+ size--;
+ }
+
+ //this particle system won't display properly, better to not show anything
+ return FALSE;
+ }
+
+
+ return TRUE;
}
void LLPartData::setFlags(const U32 flags)
{
- mFlags = flags;
+ mFlags = flags;
}
void LLPartData::setMaxAge(const F32 max_age)
{
- mMaxAge = llclamp(max_age, 0.f, 30.f);
+ mMaxAge = llclamp(max_age, 0.f, 30.f);
}
void LLPartData::setStartScale(const F32 xs, const F32 ys)
{
- mStartScale.mV[VX] = llmin(xs, MAX_PART_SCALE);
- mStartScale.mV[VY] = llmin(ys, MAX_PART_SCALE);
+ mStartScale.mV[VX] = llmin(xs, MAX_PART_SCALE);
+ mStartScale.mV[VY] = llmin(ys, MAX_PART_SCALE);
}
void LLPartData::setEndScale(const F32 xs, const F32 ys)
{
- mEndScale.mV[VX] = llmin(xs, MAX_PART_SCALE);
- mEndScale.mV[VY] = llmin(ys, MAX_PART_SCALE);
+ mEndScale.mV[VX] = llmin(xs, MAX_PART_SCALE);
+ mEndScale.mV[VY] = llmin(ys, MAX_PART_SCALE);
}
void LLPartData::setStartColor(const LLVector3 &rgb)
{
- mStartColor.setVec(rgb.mV[0], rgb.mV[1], rgb.mV[2]);
+ mStartColor.setVec(rgb.mV[0], rgb.mV[1], rgb.mV[2]);
}
void LLPartData::setEndColor(const LLVector3 &rgb)
{
- mEndColor.setVec(rgb.mV[0], rgb.mV[1], rgb.mV[2]);
+ mEndColor.setVec(rgb.mV[0], rgb.mV[1], rgb.mV[2]);
}
void LLPartData::setStartAlpha(const F32 alpha)
{
- mStartColor.mV[3] = alpha;
+ mStartColor.mV[3] = alpha;
}
void LLPartData::setEndAlpha(const F32 alpha)
{
- mEndColor.mV[3] = alpha;
+ mEndColor.mV[3] = alpha;
}
// static
bool LLPartData::validBlendFunc(S32 func)
{
- if (func >= 0
- && func < LL_PART_BF_COUNT
- && func != UNSUPPORTED_DEST_ALPHA
- && func != UNSUPPORTED_ONE_MINUS_DEST_ALPHA)
- {
- return true;
- }
- return false;
+ if (func >= 0
+ && func < LL_PART_BF_COUNT
+ && func != UNSUPPORTED_DEST_ALPHA
+ && func != UNSUPPORTED_ONE_MINUS_DEST_ALPHA)
+ {
+ return true;
+ }
+ return false;
}
LLPartSysData::LLPartSysData()
{
- mCRC = 0;
- mFlags = 0;
-
- mPartData.mFlags = 0;
- mPartData.mStartColor = LLColor4(1.f, 1.f, 1.f, 1.f);
- mPartData.mEndColor = LLColor4(1.f, 1.f, 1.f, 1.f);
- mPartData.mStartScale = LLVector2(1.f, 1.f);
- mPartData.mEndScale = LLVector2(1.f, 1.f);
- mPartData.mMaxAge = 10.0;
- mPartData.mBlendFuncSource = LLPartData::LL_PART_BF_SOURCE_ALPHA;
- mPartData.mBlendFuncDest = LLPartData::LL_PART_BF_ONE_MINUS_SOURCE_ALPHA;
- mPartData.mStartGlow = 0.f;
- mPartData.mEndGlow = 0.f;
-
- mMaxAge = 0.0;
- mStartAge = 0.0;
- mPattern = LL_PART_SRC_PATTERN_DROP; // Pattern for particle velocity
- mInnerAngle = 0.0; // Inner angle of PATTERN_ANGLE_*
- mOuterAngle = 0.0; // Outer angle of PATTERN_ANGLE_*
- mBurstRate = 0.1f; // How often to do a burst of particles
- mBurstPartCount = 1; // How many particles in a burst
- mBurstSpeedMin = 1.f; // Minimum particle velocity
- mBurstSpeedMax = 1.f; // Maximum particle velocity
- mBurstRadius = 0.f;
-
- mNumParticles = 0;
+ mCRC = 0;
+ mFlags = 0;
+
+ mPartData.mFlags = 0;
+ mPartData.mStartColor = LLColor4(1.f, 1.f, 1.f, 1.f);
+ mPartData.mEndColor = LLColor4(1.f, 1.f, 1.f, 1.f);
+ mPartData.mStartScale = LLVector2(1.f, 1.f);
+ mPartData.mEndScale = LLVector2(1.f, 1.f);
+ mPartData.mMaxAge = 10.0;
+ mPartData.mBlendFuncSource = LLPartData::LL_PART_BF_SOURCE_ALPHA;
+ mPartData.mBlendFuncDest = LLPartData::LL_PART_BF_ONE_MINUS_SOURCE_ALPHA;
+ mPartData.mStartGlow = 0.f;
+ mPartData.mEndGlow = 0.f;
+
+ mMaxAge = 0.0;
+ mStartAge = 0.0;
+ mPattern = LL_PART_SRC_PATTERN_DROP; // Pattern for particle velocity
+ mInnerAngle = 0.0; // Inner angle of PATTERN_ANGLE_*
+ mOuterAngle = 0.0; // Outer angle of PATTERN_ANGLE_*
+ mBurstRate = 0.1f; // How often to do a burst of particles
+ mBurstPartCount = 1; // How many particles in a burst
+ mBurstSpeedMin = 1.f; // Minimum particle velocity
+ mBurstSpeedMax = 1.f; // Maximum particle velocity
+ mBurstRadius = 0.f;
+
+ mNumParticles = 0;
}
BOOL LLPartSysData::unpackSystem(LLDataPacker &dp)
{
- dp.unpackU32(mCRC, "pscrc");
- dp.unpackU32(mFlags, "psflags");
- dp.unpackU8(mPattern, "pspattern");
- dp.unpackFixed(mMaxAge, "psmaxage", FALSE, 8, 8);
- dp.unpackFixed(mStartAge, "psstartage", FALSE, 8, 8);
- dp.unpackFixed(mInnerAngle, "psinnerangle", FALSE, 3, 5);
- dp.unpackFixed(mOuterAngle, "psouterangle", FALSE, 3, 5);
- dp.unpackFixed(mBurstRate, "psburstrate", FALSE, 8, 8);
- mBurstRate = llmax(0.01f, mBurstRate);
- dp.unpackFixed(mBurstRadius, "psburstradius", FALSE, 8, 8);
- dp.unpackFixed(mBurstSpeedMin, "psburstspeedmin", FALSE, 8, 8);
- dp.unpackFixed(mBurstSpeedMax, "psburstspeedmax", FALSE, 8, 8);
- dp.unpackU8(mBurstPartCount, "psburstpartcount");
-
- dp.unpackFixed(mAngularVelocity.mV[0], "psangvelx", TRUE, 8, 7);
- dp.unpackFixed(mAngularVelocity.mV[1], "psangvely", TRUE, 8, 7);
- dp.unpackFixed(mAngularVelocity.mV[2], "psangvelz", TRUE, 8, 7);
-
- dp.unpackFixed(mPartAccel.mV[0], "psaccelx", TRUE, 8, 7);
- dp.unpackFixed(mPartAccel.mV[1], "psaccely", TRUE, 8, 7);
- dp.unpackFixed(mPartAccel.mV[2], "psaccelz", TRUE, 8, 7);
-
- dp.unpackUUID(mPartImageID, "psuuid");
- dp.unpackUUID(mTargetUUID, "pstargetuuid");
- return TRUE;
+ dp.unpackU32(mCRC, "pscrc");
+ dp.unpackU32(mFlags, "psflags");
+ dp.unpackU8(mPattern, "pspattern");
+ dp.unpackFixed(mMaxAge, "psmaxage", FALSE, 8, 8);
+ dp.unpackFixed(mStartAge, "psstartage", FALSE, 8, 8);
+ dp.unpackFixed(mInnerAngle, "psinnerangle", FALSE, 3, 5);
+ dp.unpackFixed(mOuterAngle, "psouterangle", FALSE, 3, 5);
+ dp.unpackFixed(mBurstRate, "psburstrate", FALSE, 8, 8);
+ mBurstRate = llmax(0.01f, mBurstRate);
+ dp.unpackFixed(mBurstRadius, "psburstradius", FALSE, 8, 8);
+ dp.unpackFixed(mBurstSpeedMin, "psburstspeedmin", FALSE, 8, 8);
+ dp.unpackFixed(mBurstSpeedMax, "psburstspeedmax", FALSE, 8, 8);
+ dp.unpackU8(mBurstPartCount, "psburstpartcount");
+
+ dp.unpackFixed(mAngularVelocity.mV[0], "psangvelx", TRUE, 8, 7);
+ dp.unpackFixed(mAngularVelocity.mV[1], "psangvely", TRUE, 8, 7);
+ dp.unpackFixed(mAngularVelocity.mV[2], "psangvelz", TRUE, 8, 7);
+
+ dp.unpackFixed(mPartAccel.mV[0], "psaccelx", TRUE, 8, 7);
+ dp.unpackFixed(mPartAccel.mV[1], "psaccely", TRUE, 8, 7);
+ dp.unpackFixed(mPartAccel.mV[2], "psaccelz", TRUE, 8, 7);
+
+ dp.unpackUUID(mPartImageID, "psuuid");
+ dp.unpackUUID(mTargetUUID, "pstargetuuid");
+ return TRUE;
}
BOOL LLPartSysData::unpackLegacy(LLDataPacker &dp)
{
- unpackSystem(dp);
- mPartData.unpackLegacy(dp);
+ unpackSystem(dp);
+ mPartData.unpackLegacy(dp);
- return TRUE;
+ return TRUE;
}
BOOL LLPartSysData::unpack(LLDataPacker &dp)
{
- // syssize is currently unused. Adding now when modifying the 'version to make extensible in the future
- S32 size = 0;
- dp.unpackS32(size, "syssize");
-
- if (size != PS_SYS_DATA_BLOCK_SIZE)
- { //unexpected size, this viewer doesn't know how to parse this particle system
-
- //skip to LLPartData block
- U8 feh = 0;
-
- for (U32 i = 0; i < size; ++i)
- {
- dp.unpackU8(feh, "whippang");
- }
-
- dp.unpackS32(size, "partsize");
- //skip LLPartData block
- for (U32 i = 0; i < size; ++i)
- {
- dp.unpackU8(feh, "whippang");
- }
- return FALSE;
- }
-
- unpackSystem(dp);
-
- return mPartData.unpack(dp);
+ // syssize is currently unused. Adding now when modifying the 'version to make extensible in the future
+ S32 size = 0;
+ dp.unpackS32(size, "syssize");
+
+ if (size != PS_SYS_DATA_BLOCK_SIZE)
+ { //unexpected size, this viewer doesn't know how to parse this particle system
+
+ //skip to LLPartData block
+ U8 feh = 0;
+
+ for (U32 i = 0; i < size; ++i)
+ {
+ dp.unpackU8(feh, "whippang");
+ }
+
+ dp.unpackS32(size, "partsize");
+ //skip LLPartData block
+ for (U32 i = 0; i < size; ++i)
+ {
+ dp.unpackU8(feh, "whippang");
+ }
+ return FALSE;
+ }
+
+ unpackSystem(dp);
+
+ return mPartData.unpack(dp);
}
std::ostream& operator<<(std::ostream& s, const LLPartSysData &data)
{
- s << "Flags: " << std::hex << data.mFlags;
- s << "Pattern: " << std::hex << (U32) data.mPattern << "\n";
- s << "Source Age: [" << data.mStartAge << ", " << data.mMaxAge << "]\n";
+ s << "Flags: " << std::hex << data.mFlags;
+ s << "Pattern: " << std::hex << (U32) data.mPattern << "\n";
+ s << "Source Age: [" << data.mStartAge << ", " << data.mMaxAge << "]\n";
s << "Particle Age: " << data.mPartData.mMaxAge << "\n";
- s << "Angle: [" << data.mInnerAngle << ", " << data.mOuterAngle << "]\n";
- s << "Burst Rate: " << data.mBurstRate << "\n";
- s << "Burst Radius: " << data.mBurstRadius << "\n";
- s << "Burst Speed: [" << data.mBurstSpeedMin << ", " << data.mBurstSpeedMax << "]\n";
- s << "Burst Part Count: " << std::hex << (U32) data.mBurstPartCount << "\n";
- s << "Angular Velocity: " << data.mAngularVelocity << "\n";
- s << "Accel: " << data.mPartAccel;
- return s;
+ s << "Angle: [" << data.mInnerAngle << ", " << data.mOuterAngle << "]\n";
+ s << "Burst Rate: " << data.mBurstRate << "\n";
+ s << "Burst Radius: " << data.mBurstRadius << "\n";
+ s << "Burst Speed: [" << data.mBurstSpeedMin << ", " << data.mBurstSpeedMax << "]\n";
+ s << "Burst Part Count: " << std::hex << (U32) data.mBurstPartCount << "\n";
+ s << "Angular Velocity: " << data.mAngularVelocity << "\n";
+ s << "Accel: " << data.mPartAccel;
+ return s;
}
BOOL LLPartSysData::isNullPS(const S32 block_num)
{
- U8 ps_data_block[PS_MAX_DATA_BLOCK_SIZE];
- U32 crc;
-
- S32 size;
- // Check size of block
- size = gMessageSystem->getSize("ObjectData", block_num, "PSBlock");
-
- if (!size)
- {
- return TRUE;
- }
-
- if (size > PS_MAX_DATA_BLOCK_SIZE)
- {
- //size is too big, newer particle version unsupported
- return TRUE;
- }
-
- gMessageSystem->getBinaryData("ObjectData", "PSBlock", ps_data_block, size, block_num, PS_MAX_DATA_BLOCK_SIZE);
-
- LLDataPackerBinaryBuffer dp(ps_data_block, size);
- if (size > PS_LEGACY_DATA_BLOCK_SIZE)
- {
- // non legacy systems pack a size before the CRC
- S32 tmp = 0;
- dp.unpackS32(tmp, "syssize");
-
- if (tmp > PS_SYS_DATA_BLOCK_SIZE)
- { //unknown system data block size, don't know how to parse it, treat as NULL
- return TRUE;
- }
- }
-
- dp.unpackU32(crc, "crc");
-
- if (crc == 0)
- {
- return TRUE;
- }
- return FALSE;
+ U8 ps_data_block[PS_MAX_DATA_BLOCK_SIZE];
+ U32 crc;
+
+ S32 size;
+ // Check size of block
+ size = gMessageSystem->getSize("ObjectData", block_num, "PSBlock");
+
+ if (!size)
+ {
+ return TRUE;
+ }
+
+ if (size > PS_MAX_DATA_BLOCK_SIZE)
+ {
+ //size is too big, newer particle version unsupported
+ return TRUE;
+ }
+
+ gMessageSystem->getBinaryData("ObjectData", "PSBlock", ps_data_block, size, block_num, PS_MAX_DATA_BLOCK_SIZE);
+
+ LLDataPackerBinaryBuffer dp(ps_data_block, size);
+ if (size > PS_LEGACY_DATA_BLOCK_SIZE)
+ {
+ // non legacy systems pack a size before the CRC
+ S32 tmp = 0;
+ dp.unpackS32(tmp, "syssize");
+
+ if (tmp > PS_SYS_DATA_BLOCK_SIZE)
+ { //unknown system data block size, don't know how to parse it, treat as NULL
+ return TRUE;
+ }
+ }
+
+ dp.unpackU32(crc, "crc");
+
+ if (crc == 0)
+ {
+ return TRUE;
+ }
+ return FALSE;
}
BOOL LLPartSysData::unpackBlock(const S32 block_num)
{
- U8 ps_data_block[PS_MAX_DATA_BLOCK_SIZE];
-
- // Check size of block
- S32 size = gMessageSystem->getSize("ObjectData", block_num, "PSBlock");
-
- if (size > PS_MAX_DATA_BLOCK_SIZE)
- {
- // Larger packets are newer and unsupported
- return FALSE;
- }
-
- // Get from message
- gMessageSystem->getBinaryData("ObjectData", "PSBlock", ps_data_block, size, block_num, PS_MAX_DATA_BLOCK_SIZE);
-
- LLDataPackerBinaryBuffer dp(ps_data_block, size);
-
- if (size == PS_LEGACY_DATA_BLOCK_SIZE)
- {
- return unpackLegacy(dp);
- }
- else
- {
- return unpack(dp);
- }
+ U8 ps_data_block[PS_MAX_DATA_BLOCK_SIZE];
+
+ // Check size of block
+ S32 size = gMessageSystem->getSize("ObjectData", block_num, "PSBlock");
+
+ if (size > PS_MAX_DATA_BLOCK_SIZE)
+ {
+ // Larger packets are newer and unsupported
+ return FALSE;
+ }
+
+ // Get from message
+ gMessageSystem->getBinaryData("ObjectData", "PSBlock", ps_data_block, size, block_num, PS_MAX_DATA_BLOCK_SIZE);
+
+ LLDataPackerBinaryBuffer dp(ps_data_block, size);
+
+ if (size == PS_LEGACY_DATA_BLOCK_SIZE)
+ {
+ return unpackLegacy(dp);
+ }
+ else
+ {
+ return unpack(dp);
+ }
}
bool LLPartSysData::isLegacyCompatible() const
{
- return !mPartData.hasGlow() && !mPartData.hasBlendFunc();
+ return !mPartData.hasGlow() && !mPartData.hasBlendFunc();
}
void LLPartSysData::clampSourceParticleRate()
{
- F32 particle_rate = 0;
- particle_rate = mBurstPartCount/mBurstRate;
- if (particle_rate > 256.f)
- {
- mBurstPartCount = llfloor(((F32)mBurstPartCount)*(256.f/particle_rate));
- }
+ F32 particle_rate = 0;
+ particle_rate = mBurstPartCount/mBurstRate;
+ if (particle_rate > 256.f)
+ {
+ mBurstPartCount = llfloor(((F32)mBurstPartCount)*(256.f/particle_rate));
+ }
}
void LLPartSysData::setPartAccel(const LLVector3 &accel)
{
- mPartAccel.mV[VX] = llclamp(accel.mV[VX], -100.f, 100.f);
- mPartAccel.mV[VY] = llclamp(accel.mV[VY], -100.f, 100.f);
- mPartAccel.mV[VZ] = llclamp(accel.mV[VZ], -100.f, 100.f);
+ mPartAccel.mV[VX] = llclamp(accel.mV[VX], -100.f, 100.f);
+ mPartAccel.mV[VY] = llclamp(accel.mV[VY], -100.f, 100.f);
+ mPartAccel.mV[VZ] = llclamp(accel.mV[VZ], -100.f, 100.f);
}