diff options
Diffstat (limited to 'indra/llmessage/llpartdata.h')
-rw-r--r-- | indra/llmessage/llpartdata.h | 558 |
1 files changed, 279 insertions, 279 deletions
diff --git a/indra/llmessage/llpartdata.h b/indra/llmessage/llpartdata.h index c61e411a23..70c425b0a5 100644 --- a/indra/llmessage/llpartdata.h +++ b/indra/llmessage/llpartdata.h @@ -1,279 +1,279 @@ -/** - * @file llpartdata.h - * @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 - * $/LicenseInfo$ - */ - -#ifndef LL_LLPARTDATA_H -#define LL_LLPARTDATA_H - -#include "lluuid.h" -#include "v3math.h" -#include "v3dmath.h" -#include "v2math.h" -#include "v4color.h" - -class LLMessageSystem; -class LLDataPacker; - -const S32 PS_CUR_VERSION = 18; - -// -// These constants are used by the script code, not by the particle system itself -// - -enum LLPSScriptFlags -{ - // Flags for the different parameters of individual particles - LLPS_PART_FLAGS, - LLPS_PART_START_COLOR, - LLPS_PART_START_ALPHA, - LLPS_PART_END_COLOR, - LLPS_PART_END_ALPHA, - LLPS_PART_START_SCALE, - LLPS_PART_END_SCALE, - LLPS_PART_MAX_AGE, - - // Flags for the different parameters of the particle source - LLPS_SRC_ACCEL, - LLPS_SRC_PATTERN, - LLPS_SRC_INNERANGLE, - LLPS_SRC_OUTERANGLE, - LLPS_SRC_TEXTURE, - LLPS_SRC_BURST_RATE, - LLPS_SRC_BURST_DURATION, - LLPS_SRC_BURST_PART_COUNT, - LLPS_SRC_BURST_RADIUS, - LLPS_SRC_BURST_SPEED_MIN, - LLPS_SRC_BURST_SPEED_MAX, - LLPS_SRC_MAX_AGE, - LLPS_SRC_TARGET_UUID, - LLPS_SRC_OMEGA, - LLPS_SRC_ANGLE_BEGIN, - LLPS_SRC_ANGLE_END, - - LLPS_PART_BLEND_FUNC_SOURCE, - LLPS_PART_BLEND_FUNC_DEST, - LLPS_PART_START_GLOW, - LLPS_PART_END_GLOW -}; - - -class LLPartData -{ -public: - LLPartData() : - mFlags(0), - mMaxAge(0.f), - mParameter(0.f) - { - } - bool unpackLegacy(LLDataPacker &dp); - bool unpack(LLDataPacker &dp); - - bool pack(LLDataPacker &dp); - - bool hasGlow() const; - bool hasBlendFunc() const; - - // Masks for the different particle flags - enum - { - LL_PART_INTERP_COLOR_MASK = 0x01, - LL_PART_INTERP_SCALE_MASK = 0x02, - LL_PART_BOUNCE_MASK = 0x04, - LL_PART_WIND_MASK = 0x08, - LL_PART_FOLLOW_SRC_MASK = 0x10, // Follows source, no rotation following (expensive!) - LL_PART_FOLLOW_VELOCITY_MASK = 0x20, // Particles orient themselves with velocity - LL_PART_TARGET_POS_MASK = 0x40, - LL_PART_TARGET_LINEAR_MASK = 0x80, // Particle uses a direct linear interpolation - LL_PART_EMISSIVE_MASK = 0x100, // Particle is "emissive", instead of being lit - LL_PART_BEAM_MASK = 0x200, // Particle is a "beam" connecting source and target - LL_PART_RIBBON_MASK = 0x400, // Particles are joined together into one continuous triangle strip - - // Not implemented yet! - //LL_PART_RANDOM_ACCEL_MASK = 0x100, // Particles have random acceleration - //LL_PART_RANDOM_VEL_MASK = 0x200, // Particles have random velocity shifts" - //LL_PART_TRAIL_MASK = 0x400, // Particles have historical "trails" - - //sYSTEM SET FLAGS - LL_PART_DATA_GLOW = 0x10000, - LL_PART_DATA_BLEND = 0x20000, - - // Viewer side use only! - LL_PART_HUD = 0x40000000, - LL_PART_DEAD_MASK = 0x80000000, - }; - - enum - { - LL_PART_BF_ONE = 0, - LL_PART_BF_ZERO = 1, - LL_PART_BF_DEST_COLOR = 2, - LL_PART_BF_SOURCE_COLOR = 3, - LL_PART_BF_ONE_MINUS_DEST_COLOR = 4, - LL_PART_BF_ONE_MINUS_SOURCE_COLOR = 5, - UNSUPPORTED_DEST_ALPHA = 6, - LL_PART_BF_SOURCE_ALPHA = 7, - UNSUPPORTED_ONE_MINUS_DEST_ALPHA = 8, - LL_PART_BF_ONE_MINUS_SOURCE_ALPHA = 9, - LL_PART_BF_COUNT = 10 - }; - - static bool validBlendFunc(S32 func); - - void setFlags(const U32 flags); - void setMaxAge(const F32 max_age); - void setStartScale(const F32 xs, F32 ys); - void setEndScale(const F32 xs, F32 ys); - void setStartColor(const LLVector3 &rgb); - void setEndColor(const LLVector3 &rgb); - void setStartAlpha(const F32 alpha); - void setEndAlpha(const F32 alpha); - - - friend class LLPartSysData; - friend class LLViewerPartSourceScript; - -private: - S32 getSize() const; - - // These are public because I'm really lazy... -public: - U32 mFlags; // Particle state/interpolators in effect - F32 mMaxAge; // Maximum age of the particle - LLColor4 mStartColor; // Start color - LLColor4 mEndColor; // End color - LLVector2 mStartScale; // Start scale - LLVector2 mEndScale; // End scale - - LLVector3 mPosOffset; // Offset from source if using FOLLOW_SOURCE - F32 mParameter; // A single floating point parameter - - F32 mStartGlow; - F32 mEndGlow; - - U8 mBlendFuncSource; - U8 mBlendFuncDest; -}; - - -class LLPartSysData -{ -public: - LLPartSysData(); - - bool unpack(LLDataPacker &dp); - bool unpackLegacy(LLDataPacker &dp); - bool unpackBlock(const S32 block_num); - - static bool isNullPS(const S32 block_num); // Returns false if this is a "NULL" particle system (i.e. no system) - - bool isLegacyCompatible() const; - - // Different masks for effects on the source - enum - { - LL_PART_SRC_OBJ_REL_MASK = 0x01, // Accel and velocity for particles relative object rotation - LL_PART_USE_NEW_ANGLE = 0x02, // Particles uses new 'correct' angle parameters. - }; - - // The different patterns for how particles are created - enum - { - LL_PART_SRC_PATTERN_DROP = 0x01, - LL_PART_SRC_PATTERN_EXPLODE = 0x02, - // Not implemented fully yet - LL_PART_SRC_PATTERN_ANGLE = 0x04, - LL_PART_SRC_PATTERN_ANGLE_CONE = 0x08, - LL_PART_SRC_PATTERN_ANGLE_CONE_EMPTY = 0x10, - }; - - - void setBurstSpeedMin(const F32 spd) { mBurstSpeedMin = llclamp(spd, -100.f, 100.f); } - void setBurstSpeedMax(const F32 spd) { mBurstSpeedMax = llclamp(spd, -100.f, 100.f); } - void setBurstRadius(const F32 rad) { mBurstRadius = llclamp(rad, 0.f, 50.f); } - void setPartAccel(const LLVector3 &accel); - void setUseNewAngle() { mFlags |= LL_PART_USE_NEW_ANGLE; } - void unsetUseNewAngle() { mFlags &= ~LL_PART_USE_NEW_ANGLE; } - - // Since the actual particle creation rate is - // a combination of multiple parameters, we - // need to clamp it using a separate method instead of an accessor. - void clampSourceParticleRate(); - - friend std::ostream& operator<<(std::ostream& s, const LLPartSysData &data); // Stream a - - S32 getdataBlockSize() const; - -private: - bool unpackSystem(LLDataPacker &dp); - -public: - // Public because I'm lazy.... - - // - // There are two kinds of data for the particle system - // 1. Parameters which specify parameters of the source (mSource*) - // 2. Parameters which specify parameters of the particles generated by the source (mPart*) - // - - U32 mCRC; - U32 mFlags; - - U8 mPattern; // Pattern for particle velocity/output - F32 mInnerAngle; // Inner angle for PATTERN_ANGLE - F32 mOuterAngle; // Outer angle for PATTERN_ANGLE - LLVector3 mAngularVelocity; // Angular velocity for emission axis (for PATTERN_ANGLE) - - F32 mBurstRate; // How often to do a burst of particles - U8 mBurstPartCount; // How many particles in a burst - F32 mBurstRadius; - F32 mBurstSpeedMin; // Minimum particle velocity - F32 mBurstSpeedMax; // Maximum particle velocity - - F32 mMaxAge; // Maximum lifetime of this particle source - - LLUUID mTargetUUID; // Target UUID for the particle system - - F32 mStartAge; // Age at which to start the particle system (for an update after the - // particle system has started) - - - // - // These are actually particle properties, but can be mutated by the source, - // so are stored here instead - // - LLVector3 mPartAccel; - LLUUID mPartImageID; - - // - // The "template" partdata where we actually store the non-mutable particle parameters - // - LLPartData mPartData; - -protected: - S32 mNumParticles; // Number of particles generated -}; - -#endif // LL_LLPARTDATA_H +/**
+ * @file llpartdata.h
+ * @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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLPARTDATA_H
+#define LL_LLPARTDATA_H
+
+#include "lluuid.h"
+#include "v3math.h"
+#include "v3dmath.h"
+#include "v2math.h"
+#include "v4color.h"
+
+class LLMessageSystem;
+class LLDataPacker;
+
+const S32 PS_CUR_VERSION = 18;
+
+//
+// These constants are used by the script code, not by the particle system itself
+//
+
+enum LLPSScriptFlags
+{
+ // Flags for the different parameters of individual particles
+ LLPS_PART_FLAGS,
+ LLPS_PART_START_COLOR,
+ LLPS_PART_START_ALPHA,
+ LLPS_PART_END_COLOR,
+ LLPS_PART_END_ALPHA,
+ LLPS_PART_START_SCALE,
+ LLPS_PART_END_SCALE,
+ LLPS_PART_MAX_AGE,
+
+ // Flags for the different parameters of the particle source
+ LLPS_SRC_ACCEL,
+ LLPS_SRC_PATTERN,
+ LLPS_SRC_INNERANGLE,
+ LLPS_SRC_OUTERANGLE,
+ LLPS_SRC_TEXTURE,
+ LLPS_SRC_BURST_RATE,
+ LLPS_SRC_BURST_DURATION,
+ LLPS_SRC_BURST_PART_COUNT,
+ LLPS_SRC_BURST_RADIUS,
+ LLPS_SRC_BURST_SPEED_MIN,
+ LLPS_SRC_BURST_SPEED_MAX,
+ LLPS_SRC_MAX_AGE,
+ LLPS_SRC_TARGET_UUID,
+ LLPS_SRC_OMEGA,
+ LLPS_SRC_ANGLE_BEGIN,
+ LLPS_SRC_ANGLE_END,
+
+ LLPS_PART_BLEND_FUNC_SOURCE,
+ LLPS_PART_BLEND_FUNC_DEST,
+ LLPS_PART_START_GLOW,
+ LLPS_PART_END_GLOW
+};
+
+
+class LLPartData
+{
+public:
+ LLPartData() :
+ mFlags(0),
+ mMaxAge(0.f),
+ mParameter(0.f)
+ {
+ }
+ bool unpackLegacy(LLDataPacker &dp);
+ bool unpack(LLDataPacker &dp);
+
+ bool pack(LLDataPacker &dp);
+
+ bool hasGlow() const;
+ bool hasBlendFunc() const;
+
+ // Masks for the different particle flags
+ enum
+ {
+ LL_PART_INTERP_COLOR_MASK = 0x01,
+ LL_PART_INTERP_SCALE_MASK = 0x02,
+ LL_PART_BOUNCE_MASK = 0x04,
+ LL_PART_WIND_MASK = 0x08,
+ LL_PART_FOLLOW_SRC_MASK = 0x10, // Follows source, no rotation following (expensive!)
+ LL_PART_FOLLOW_VELOCITY_MASK = 0x20, // Particles orient themselves with velocity
+ LL_PART_TARGET_POS_MASK = 0x40,
+ LL_PART_TARGET_LINEAR_MASK = 0x80, // Particle uses a direct linear interpolation
+ LL_PART_EMISSIVE_MASK = 0x100, // Particle is "emissive", instead of being lit
+ LL_PART_BEAM_MASK = 0x200, // Particle is a "beam" connecting source and target
+ LL_PART_RIBBON_MASK = 0x400, // Particles are joined together into one continuous triangle strip
+
+ // Not implemented yet!
+ //LL_PART_RANDOM_ACCEL_MASK = 0x100, // Particles have random acceleration
+ //LL_PART_RANDOM_VEL_MASK = 0x200, // Particles have random velocity shifts"
+ //LL_PART_TRAIL_MASK = 0x400, // Particles have historical "trails"
+
+ //sYSTEM SET FLAGS
+ LL_PART_DATA_GLOW = 0x10000,
+ LL_PART_DATA_BLEND = 0x20000,
+
+ // Viewer side use only!
+ LL_PART_HUD = 0x40000000,
+ LL_PART_DEAD_MASK = 0x80000000,
+ };
+
+ enum
+ {
+ LL_PART_BF_ONE = 0,
+ LL_PART_BF_ZERO = 1,
+ LL_PART_BF_DEST_COLOR = 2,
+ LL_PART_BF_SOURCE_COLOR = 3,
+ LL_PART_BF_ONE_MINUS_DEST_COLOR = 4,
+ LL_PART_BF_ONE_MINUS_SOURCE_COLOR = 5,
+ UNSUPPORTED_DEST_ALPHA = 6,
+ LL_PART_BF_SOURCE_ALPHA = 7,
+ UNSUPPORTED_ONE_MINUS_DEST_ALPHA = 8,
+ LL_PART_BF_ONE_MINUS_SOURCE_ALPHA = 9,
+ LL_PART_BF_COUNT = 10
+ };
+
+ static bool validBlendFunc(S32 func);
+
+ void setFlags(const U32 flags);
+ void setMaxAge(const F32 max_age);
+ void setStartScale(const F32 xs, F32 ys);
+ void setEndScale(const F32 xs, F32 ys);
+ void setStartColor(const LLVector3 &rgb);
+ void setEndColor(const LLVector3 &rgb);
+ void setStartAlpha(const F32 alpha);
+ void setEndAlpha(const F32 alpha);
+
+
+ friend class LLPartSysData;
+ friend class LLViewerPartSourceScript;
+
+private:
+ S32 getSize() const;
+
+ // These are public because I'm really lazy...
+public:
+ U32 mFlags; // Particle state/interpolators in effect
+ F32 mMaxAge; // Maximum age of the particle
+ LLColor4 mStartColor; // Start color
+ LLColor4 mEndColor; // End color
+ LLVector2 mStartScale; // Start scale
+ LLVector2 mEndScale; // End scale
+
+ LLVector3 mPosOffset; // Offset from source if using FOLLOW_SOURCE
+ F32 mParameter; // A single floating point parameter
+
+ F32 mStartGlow;
+ F32 mEndGlow;
+
+ U8 mBlendFuncSource;
+ U8 mBlendFuncDest;
+};
+
+
+class LLPartSysData
+{
+public:
+ LLPartSysData();
+
+ bool unpack(LLDataPacker &dp);
+ bool unpackLegacy(LLDataPacker &dp);
+ bool unpackBlock(const S32 block_num);
+
+ static bool isNullPS(const S32 block_num); // Returns false if this is a "NULL" particle system (i.e. no system)
+
+ bool isLegacyCompatible() const;
+
+ // Different masks for effects on the source
+ enum
+ {
+ LL_PART_SRC_OBJ_REL_MASK = 0x01, // Accel and velocity for particles relative object rotation
+ LL_PART_USE_NEW_ANGLE = 0x02, // Particles uses new 'correct' angle parameters.
+ };
+
+ // The different patterns for how particles are created
+ enum
+ {
+ LL_PART_SRC_PATTERN_DROP = 0x01,
+ LL_PART_SRC_PATTERN_EXPLODE = 0x02,
+ // Not implemented fully yet
+ LL_PART_SRC_PATTERN_ANGLE = 0x04,
+ LL_PART_SRC_PATTERN_ANGLE_CONE = 0x08,
+ LL_PART_SRC_PATTERN_ANGLE_CONE_EMPTY = 0x10,
+ };
+
+
+ void setBurstSpeedMin(const F32 spd) { mBurstSpeedMin = llclamp(spd, -100.f, 100.f); }
+ void setBurstSpeedMax(const F32 spd) { mBurstSpeedMax = llclamp(spd, -100.f, 100.f); }
+ void setBurstRadius(const F32 rad) { mBurstRadius = llclamp(rad, 0.f, 50.f); }
+ void setPartAccel(const LLVector3 &accel);
+ void setUseNewAngle() { mFlags |= LL_PART_USE_NEW_ANGLE; }
+ void unsetUseNewAngle() { mFlags &= ~LL_PART_USE_NEW_ANGLE; }
+
+ // Since the actual particle creation rate is
+ // a combination of multiple parameters, we
+ // need to clamp it using a separate method instead of an accessor.
+ void clampSourceParticleRate();
+
+ friend std::ostream& operator<<(std::ostream& s, const LLPartSysData &data); // Stream a
+
+ S32 getdataBlockSize() const;
+
+private:
+ bool unpackSystem(LLDataPacker &dp);
+
+public:
+ // Public because I'm lazy....
+
+ //
+ // There are two kinds of data for the particle system
+ // 1. Parameters which specify parameters of the source (mSource*)
+ // 2. Parameters which specify parameters of the particles generated by the source (mPart*)
+ //
+
+ U32 mCRC;
+ U32 mFlags;
+
+ U8 mPattern; // Pattern for particle velocity/output
+ F32 mInnerAngle; // Inner angle for PATTERN_ANGLE
+ F32 mOuterAngle; // Outer angle for PATTERN_ANGLE
+ LLVector3 mAngularVelocity; // Angular velocity for emission axis (for PATTERN_ANGLE)
+
+ F32 mBurstRate; // How often to do a burst of particles
+ U8 mBurstPartCount; // How many particles in a burst
+ F32 mBurstRadius;
+ F32 mBurstSpeedMin; // Minimum particle velocity
+ F32 mBurstSpeedMax; // Maximum particle velocity
+
+ F32 mMaxAge; // Maximum lifetime of this particle source
+
+ LLUUID mTargetUUID; // Target UUID for the particle system
+
+ F32 mStartAge; // Age at which to start the particle system (for an update after the
+ // particle system has started)
+
+
+ //
+ // These are actually particle properties, but can be mutated by the source,
+ // so are stored here instead
+ //
+ LLVector3 mPartAccel;
+ LLUUID mPartImageID;
+
+ //
+ // The "template" partdata where we actually store the non-mutable particle parameters
+ //
+ LLPartData mPartData;
+
+protected:
+ S32 mNumParticles; // Number of particles generated
+};
+
+#endif // LL_LLPARTDATA_H
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