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https://github.com/TorqueGameEngines/Torque3D.git
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ExtendedMove class and support
The ExtendedMove class can optionally replace the standard Move class to allow the passing of absolute position and rotation information from the client's input device to the server. It is enabled by changing $TORQUE_EXTENDED_MOVE to true in buildFiles/config/project.conf and re-running the project generator.
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DavidWyand-GG
parent
404cffc11a
commit
35374f939e
15 changed files with 1262 additions and 27 deletions
258
Engine/source/T3D/gameBase/extended/extendedMove.cpp
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258
Engine/source/T3D/gameBase/extended/extendedMove.cpp
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#include "T3D/gameBase/extended/extendedMove.h"
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#include "core/stream/bitStream.h"
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#include "math/mathIO.h"
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#include "core/module.h"
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#include "console/consoleTypes.h"
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#include "core/strings/stringFunctions.h"
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MODULE_BEGIN( ExtendedMoveManager )
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MODULE_INIT_AFTER( MoveManager )
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MODULE_INIT
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{
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ExtendedMoveManager::init();
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}
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MODULE_END;
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S32 ExtendedMoveManager::mPosX[ExtendedMove::MaxPositionsRotations] = { 0, };
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S32 ExtendedMoveManager::mPosY[ExtendedMove::MaxPositionsRotations] = { 0, };
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S32 ExtendedMoveManager::mPosZ[ExtendedMove::MaxPositionsRotations] = { 0, };
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F32 ExtendedMoveManager::mRotAX[ExtendedMove::MaxPositionsRotations] = { 0, };
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F32 ExtendedMoveManager::mRotAY[ExtendedMove::MaxPositionsRotations] = { 0, };
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F32 ExtendedMoveManager::mRotAZ[ExtendedMove::MaxPositionsRotations] = { 0, };
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F32 ExtendedMoveManager::mRotAA[ExtendedMove::MaxPositionsRotations] = { 1, };
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void ExtendedMoveManager::init()
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{
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for(U32 i = 0; i < ExtendedMove::MaxPositionsRotations; ++i)
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{
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char varName[256];
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dSprintf(varName, sizeof(varName), "mvPosX%d", i);
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Con::addVariable(varName, TypeS32, &mPosX[i],
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"X position of controller in millimeters. Only 13 bits are networked.\n"
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"@ingroup Game");
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dSprintf(varName, sizeof(varName), "mvPosY%d", i);
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Con::addVariable(varName, TypeS32, &mPosY[i],
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"Y position of controller in millimeters. Only 13 bits are networked.\n"
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"@ingroup Game");
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dSprintf(varName, sizeof(varName), "mvPosZ%d", i);
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Con::addVariable(varName, TypeS32, &mPosZ[i],
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"Z position of controller in millimeters. Only 13 bits are networked.\n"
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"@ingroup Game");
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dSprintf(varName, sizeof(varName), "mvRotX%d", i);
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Con::addVariable(varName, TypeF32, &mRotAX[i],
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"X rotation vector component of controller.\n"
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"@ingroup Game");
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dSprintf(varName, sizeof(varName), "mvRotY%d", i);
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Con::addVariable(varName, TypeF32, &mRotAY[i],
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"Y rotation vector component of controller.\n"
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"@ingroup Game");
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dSprintf(varName, sizeof(varName), "mvRotZ%d", i);
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Con::addVariable(varName, TypeF32, &mRotAZ[i],
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"Z rotation vector component of controller.\n"
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"@ingroup Game");
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dSprintf(varName, sizeof(varName), "mvRotA%d", i);
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Con::addVariable(varName, TypeF32, &mRotAA[i],
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"Angle rotation (in degrees) component of controller.\n"
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"@ingroup Game");
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}
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}
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const ExtendedMove NullExtendedMove;
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#define CLAMPPOS(x) (x<0 ? -((-x) & (1<<(MaxPositionBits-1))-1) : (x & (1<<(MaxPositionBits-1))-1))
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#define CLAMPROT(f) ((S32)(((f + 1) * .5) * ((1 << MaxRotationBits) - 1)) & ((1<<MaxRotationBits)-1))
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#define UNCLAMPROT(x) ((F32)(x * 2 / F32((1 << MaxRotationBits) - 1) - 1.0f))
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ExtendedMove::ExtendedMove() : Move()
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{
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for(U32 i=0; i<MaxPositionsRotations; ++i)
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{
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posX[i] = 0;
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posY[i] = 0;
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posZ[i] = 0;
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rotX[i] = 0;
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rotY[i] = 0;
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rotZ[i] = 0;
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rotW[i] = 1;
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}
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}
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void ExtendedMove::pack(BitStream *stream, const Move * basemove)
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{
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bool alwaysWriteAll = basemove!=NULL;
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if (!basemove)
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basemove = &NullExtendedMove;
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// Write the standard Move stuff
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packMove(stream, basemove, alwaysWriteAll);
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// Extended Move
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const ExtendedMove* extBaseMove = static_cast<const ExtendedMove*>(basemove);
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bool extendedDifferent = false;
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for(U32 i=0; i<MaxPositionsRotations; ++i)
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{
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bool check = (posX[i] != extBaseMove->posX[i]) ||
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(posY[i] != extBaseMove->posY[i]) ||
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(posZ[i] != extBaseMove->posZ[i]) ||
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(rotX[i] != extBaseMove->rotX[i]) ||
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(rotY[i] != extBaseMove->rotY[i]) ||
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(rotZ[i] != extBaseMove->rotZ[i]) ||
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(rotW[i] != extBaseMove->rotW[i]);
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extendedDifferent = extendedDifferent || check;
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}
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if (alwaysWriteAll || stream->writeFlag(extendedDifferent))
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{
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for(U32 i=0; i<MaxPositionsRotations; ++i)
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{
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// Position
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if(stream->writeFlag(posX[i] != extBaseMove->posX[i]))
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stream->writeSignedInt(posX[i], MaxPositionBits);
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if(stream->writeFlag(posY[i] != extBaseMove->posY[i]))
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stream->writeSignedInt(posY[i], MaxPositionBits);
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if(stream->writeFlag(posZ[i] != extBaseMove->posZ[i]))
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stream->writeSignedInt(posZ[i], MaxPositionBits);
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// Rotation
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if(stream->writeFlag(rotX[i] != extBaseMove->rotX[i]))
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stream->writeInt(crotX[i], MaxRotationBits);
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if(stream->writeFlag(rotY[i] != extBaseMove->rotY[i]))
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stream->writeInt(crotY[i], MaxRotationBits);
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if(stream->writeFlag(rotZ[i] != extBaseMove->rotZ[i]))
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stream->writeInt(crotZ[i], MaxRotationBits);
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if(stream->writeFlag(rotW[i] != extBaseMove->rotW[i]))
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stream->writeInt(crotW[i], MaxRotationBits);
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}
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}
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}
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void ExtendedMove::unpack(BitStream *stream, const Move * basemove)
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{
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bool alwaysReadAll = basemove!=NULL;
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if (!basemove)
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basemove=&NullExtendedMove;
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// Standard Move stuff
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bool isBaseMove = !unpackMove(stream, basemove, alwaysReadAll);
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// ExtendedMove
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const ExtendedMove* extBaseMove = static_cast<const ExtendedMove*>(basemove);
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if (alwaysReadAll || stream->readFlag())
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{
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isBaseMove = false;
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for(U32 i=0; i<MaxPositionsRotations; ++i)
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{
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// Position
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if(stream->readFlag())
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posX[i] = stream->readSignedInt(MaxPositionBits);
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else
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posX[i] = extBaseMove->posX[i];
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if(stream->readFlag())
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posY[i] = stream->readSignedInt(MaxPositionBits);
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else
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posY[i] = extBaseMove->posY[i];
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if(stream->readFlag())
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posZ[i] = stream->readSignedInt(MaxPositionBits);
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else
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posZ[i] = extBaseMove->posZ[i];
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// Rotation
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if(stream->readFlag())
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{
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crotX[i] = stream->readInt(MaxRotationBits);
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rotX[i] = UNCLAMPROT(crotX[i]);
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}
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else
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{
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rotX[i] = extBaseMove->rotX[i];
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}
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if(stream->readFlag())
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{
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crotY[i] = stream->readInt(MaxRotationBits);
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rotY[i] = UNCLAMPROT(crotY[i]);
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}
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else
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{
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rotY[i] = extBaseMove->rotY[i];
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}
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if(stream->readFlag())
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{
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crotZ[i] = stream->readInt(MaxRotationBits);
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rotZ[i] = UNCLAMPROT(crotZ[i]);
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}
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else
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{
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rotZ[i] = extBaseMove->rotZ[i];
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}
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if(stream->readFlag())
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{
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crotW[i] = stream->readInt(MaxRotationBits);
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rotW[i] = UNCLAMPROT(crotW[i]);
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}
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else
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{
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rotW[i] = extBaseMove->rotW[i];
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}
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}
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}
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if(isBaseMove)
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{
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*this = *extBaseMove;
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}
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}
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void ExtendedMove::clamp()
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{
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// Clamp the values the same as for net traffic so the client matches the server
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for(U32 i=0; i<MaxPositionsRotations; ++i)
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{
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// Positions
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posX[i] = CLAMPPOS(posX[i]);
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posY[i] = CLAMPPOS(posY[i]);
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posZ[i] = CLAMPPOS(posZ[i]);
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// Rotations
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crotX[i] = CLAMPROT(rotX[i]);
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crotY[i] = CLAMPROT(rotY[i]);
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crotZ[i] = CLAMPROT(rotZ[i]);
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crotW[i] = CLAMPROT(rotW[i]);
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}
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// Perform the standard Move clamp
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Parent::clamp();
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}
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void ExtendedMove::unclamp()
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{
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// Unclamp the values the same as for net traffic so the client matches the server
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for(U32 i=0; i<MaxPositionsRotations; ++i)
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{
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// Rotations
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rotX[i] = UNCLAMPROT(crotX[i]);
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rotY[i] = UNCLAMPROT(crotY[i]);
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rotZ[i] = UNCLAMPROT(crotZ[i]);
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rotW[i] = UNCLAMPROT(crotW[i]);
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}
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// Perform the standard Move unclamp
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Parent::unclamp();
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}
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