346 lines
9.9 KiB
C++
346 lines
9.9 KiB
C++
/**
|
|
* @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
|
|
* $/LicenseInfo$
|
|
*/
|
|
|
|
#include "linden_common.h"
|
|
|
|
#include "llpartdata.h"
|
|
#include "message.h"
|
|
|
|
#include "lldatapacker.h"
|
|
#include "v4coloru.h"
|
|
|
|
#include "llsdutil.h"
|
|
#include "llsdutil_math.h"
|
|
|
|
|
|
|
|
const S32 PS_PART_DATA_BLOCK_SIZE = 4 + 2 + 4 + 4 + 2 + 2; // 18
|
|
const S32 PS_DATA_BLOCK_SIZE = 68 + PS_PART_DATA_BLOCK_SIZE; // 68 + 18 = 86
|
|
|
|
|
|
const F32 MAX_PART_SCALE = 4.f;
|
|
|
|
BOOL LLPartData::pack(LLDataPacker &dp)
|
|
{
|
|
LLColor4U coloru;
|
|
dp.packU32(mFlags, "pdflags");
|
|
dp.packFixed(mMaxAge, "pdmaxage", FALSE, 8, 8);
|
|
coloru.setVec(mStartColor);
|
|
dp.packColor4U(coloru, "pdstartcolor");
|
|
coloru.setVec(mEndColor);
|
|
dp.packColor4U(coloru, "pdendcolor");
|
|
dp.packFixed(mStartScale.mV[0], "pdstartscalex", FALSE, 3, 5);
|
|
dp.packFixed(mStartScale.mV[1], "pdstartscaley", FALSE, 3, 5);
|
|
dp.packFixed(mEndScale.mV[0], "pdendscalex", FALSE, 3, 5);
|
|
dp.packFixed(mEndScale.mV[1], "pdendscaley", FALSE, 3, 5);
|
|
return TRUE;
|
|
}
|
|
|
|
LLSD LLPartData::asLLSD() const
|
|
{
|
|
LLSD sd = LLSD();
|
|
sd["pdflags"] = ll_sd_from_U32(mFlags);
|
|
sd["pdmaxage"] = mMaxAge;
|
|
sd["pdstartcolor"] = ll_sd_from_color4(mStartColor);
|
|
sd["pdendcolor"] = ll_sd_from_color4(mEndColor);
|
|
sd["pdstartscale"] = ll_sd_from_vector2(mStartScale);
|
|
sd["pdendscale"] = ll_sd_from_vector2(mEndScale);
|
|
return sd;
|
|
}
|
|
|
|
bool LLPartData::fromLLSD(LLSD& sd)
|
|
{
|
|
mFlags = ll_U32_from_sd(sd["pdflags"]);
|
|
mMaxAge = (F32)sd["pdmaxage"].asReal();
|
|
mStartColor = ll_color4_from_sd(sd["pdstartcolor"]);
|
|
mEndColor = ll_color4_from_sd(sd["pdendcolor"]);
|
|
mStartScale = ll_vector2_from_sd(sd["pdstartscale"]);
|
|
mEndScale = ll_vector2_from_sd(sd["pdendscale"]);
|
|
return true;
|
|
}
|
|
|
|
|
|
BOOL LLPartData::unpack(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);
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
void LLPartData::setFlags(const U32 flags)
|
|
{
|
|
mFlags = flags;
|
|
}
|
|
|
|
|
|
void LLPartData::setMaxAge(const F32 max_age)
|
|
{
|
|
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);
|
|
}
|
|
|
|
|
|
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);
|
|
}
|
|
|
|
|
|
void LLPartData::setStartColor(const LLVector3 &rgb)
|
|
{
|
|
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]);
|
|
}
|
|
|
|
void LLPartData::setStartAlpha(const F32 alpha)
|
|
{
|
|
mStartColor.mV[3] = alpha;
|
|
}
|
|
void LLPartData::setEndAlpha(const F32 alpha)
|
|
{
|
|
mEndColor.mV[3] = alpha;
|
|
}
|
|
|
|
|
|
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;
|
|
|
|
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::pack(LLDataPacker &dp)
|
|
{
|
|
dp.packU32(mCRC, "pscrc");
|
|
dp.packU32(mFlags, "psflags");
|
|
dp.packU8(mPattern, "pspattern");
|
|
dp.packFixed(mMaxAge, "psmaxage", FALSE, 8, 8);
|
|
dp.packFixed(mStartAge, "psstartage", FALSE, 8, 8);
|
|
dp.packFixed(mInnerAngle, "psinnerangle", FALSE, 3, 5);
|
|
dp.packFixed(mOuterAngle, "psouterangle", FALSE, 3, 5);
|
|
dp.packFixed(mBurstRate, "psburstrate", FALSE, 8, 8);
|
|
dp.packFixed(mBurstRadius, "psburstradius", FALSE, 8, 8);
|
|
dp.packFixed(mBurstSpeedMin, "psburstspeedmin", FALSE, 8, 8);
|
|
dp.packFixed(mBurstSpeedMax, "psburstspeedmax", FALSE, 8, 8);
|
|
dp.packU8(mBurstPartCount, "psburstpartcount");
|
|
|
|
dp.packFixed(mAngularVelocity.mV[0], "psangvelx", TRUE, 8, 7);
|
|
dp.packFixed(mAngularVelocity.mV[1], "psangvely", TRUE, 8, 7);
|
|
dp.packFixed(mAngularVelocity.mV[2], "psangvelz", TRUE, 8, 7);
|
|
|
|
dp.packFixed(mPartAccel.mV[0], "psaccelx", TRUE, 8, 7);
|
|
dp.packFixed(mPartAccel.mV[1], "psaccely", TRUE, 8, 7);
|
|
dp.packFixed(mPartAccel.mV[2], "psaccelz", TRUE, 8, 7);
|
|
|
|
dp.packUUID(mPartImageID, "psuuid");
|
|
dp.packUUID(mTargetUUID, "pstargetuuid");
|
|
mPartData.pack(dp);
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
BOOL LLPartSysData::unpack(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");
|
|
mPartData.unpack(dp);
|
|
return TRUE;
|
|
}
|
|
|
|
std::ostream& operator<<(std::ostream& s, const LLPartSysData &data)
|
|
{
|
|
s << "Flags: " << std::hex << data.mFlags;
|
|
s << " Pattern: " << std::hex << (U32) data.mPattern << "\n";
|
|
s << "Age: [" << data.mStartAge << ", " << data.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;
|
|
}
|
|
|
|
BOOL LLPartSysData::isNullPS(const S32 block_num)
|
|
{
|
|
U8 ps_data_block[PS_DATA_BLOCK_SIZE];
|
|
U32 crc;
|
|
|
|
S32 size;
|
|
// Check size of block
|
|
size = gMessageSystem->getSize("ObjectData", block_num, "PSBlock");
|
|
|
|
if (!size)
|
|
{
|
|
return TRUE;
|
|
}
|
|
else if (size != PS_DATA_BLOCK_SIZE)
|
|
{
|
|
llwarns << "PSBlock is wrong size for particle system data - got " << size << ", expecting " << PS_DATA_BLOCK_SIZE << llendl;
|
|
return TRUE;
|
|
}
|
|
gMessageSystem->getBinaryData("ObjectData", "PSBlock", ps_data_block, PS_DATA_BLOCK_SIZE, block_num, PS_DATA_BLOCK_SIZE);
|
|
|
|
LLDataPackerBinaryBuffer dp(ps_data_block, PS_DATA_BLOCK_SIZE);
|
|
dp.unpackU32(crc, "crc");
|
|
|
|
if (crc == 0)
|
|
{
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
//static
|
|
BOOL LLPartSysData::packNull()
|
|
{
|
|
U8 ps_data_block[PS_DATA_BLOCK_SIZE];
|
|
gMessageSystem->addBinaryData("PSBlock", ps_data_block, 0);
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
BOOL LLPartSysData::packBlock()
|
|
{
|
|
U8 ps_data_block[PS_DATA_BLOCK_SIZE];
|
|
|
|
LLDataPackerBinaryBuffer dp(ps_data_block, PS_DATA_BLOCK_SIZE);
|
|
pack(dp);
|
|
|
|
// Add to message
|
|
gMessageSystem->addBinaryData("PSBlock", ps_data_block, PS_DATA_BLOCK_SIZE);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
BOOL LLPartSysData::unpackBlock(const S32 block_num)
|
|
{
|
|
U8 ps_data_block[PS_DATA_BLOCK_SIZE];
|
|
|
|
// Check size of block
|
|
S32 size = gMessageSystem->getSize("ObjectData", block_num, "PSBlock");
|
|
|
|
if (size != PS_DATA_BLOCK_SIZE)
|
|
{
|
|
llwarns << "PSBlock is wrong size for particle system data - got " << size << ", expecting " << PS_DATA_BLOCK_SIZE << llendl;
|
|
return FALSE;
|
|
}
|
|
|
|
// Get from message
|
|
gMessageSystem->getBinaryData("ObjectData", "PSBlock", ps_data_block, PS_DATA_BLOCK_SIZE, block_num, PS_DATA_BLOCK_SIZE);
|
|
|
|
LLDataPackerBinaryBuffer dp(ps_data_block, PS_DATA_BLOCK_SIZE);
|
|
unpack(dp);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
void LLPartSysData::clampSourceParticleRate()
|
|
{
|
|
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);
|
|
}
|