scummvm/engines/m4/ws_sequence.cpp
Travis Howell eb0b61976d Fix compile of M4 game engine.
svn-id: r44028
2009-09-11 09:31:57 +00:00

771 lines
20 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#include "m4/woodscript.h"
namespace M4 {
static const long sinCosTable[320] = {
0, 1608, 3215, 4821, 6423, 8022, 9616, 11204,
12785, 14359, 15923, 17479, 19024, 20557, 22078, 23586,
25079, 26557, 28020, 29465, 30893, 32302, 33692, 35061,
36409, 37736, 39039, 40319, 41575, 42806, 44011, 45189,
46340, 47464, 48558, 49624, 50660, 51665, 52639, 53581,
54491, 55368, 56212, 57022, 57797, 58538, 59243, 59913,
60547, 61144, 61705, 62228, 62714, 63162, 63571, 63943,
64276, 64571, 64826, 65043, 65220, 65358, 65457, 65516,
65536, 65516, 65457, 65358, 65220, 65043, 64826, 64571,
64276, 63943, 63571, 63162, 62714, 62228, 61705, 61144,
60547, 59913, 59243, 58538, 57797, 57022, 56212, 55368,
54491, 53581, 52639, 51665, 50660, 49624, 48558, 47464,
46340, 45189, 44011, 42806, 41575, 40319, 39039, 37736,
36409, 35061, 33692, 32302, 30893, 29465, 28020, 26557,
25079, 23586, 22078, 20557, 19024, 17479, 15923, 14359,
12785, 11204, 9616, 8022, 6423, 4821, 3215, 1608,
0, -1608, -3215, -4821, -6423, -8022, -9616, -11204,
-12785, -14359, -15923, -17479, -19024, -20557, -22078, -23586,
-25079, -26557, -28020, -29465, -30893, -32302, -33692, -35061,
-36409, -37736, -39039, -40319, -41575, -42806, -44011, -45189,
-46340, -47464, -48558, -49624, -50660, -51665, -52639, -53581,
-54491, -55368, -56212, -57022, -57797, -58538, -59243, -59913,
-60547, -61144, -61705, -62228, -62714, -63162, -63571, -63943,
-64276, -64571, -64826, -65043, -65220, -65358, -65457, -65516,
-65536, -65516, -65457, -65358, -65220, -65043, -64826, -64571,
-64276, -63943, -63571, -63162, -62714, -62228, -61705, -61144,
-60547, -59913, -59243, -58538, -57797, -57022, -56212, -55368,
-54491, -53581, -52639, -51665, -50660, -49624, -48558, -47464,
-46340, -45189, -44011, -42806, -41575, -40319, -39039, -37736,
-36409, -35061, -33692, -32302, -30893, -29465, -28020, -26557,
-25079, -23586, -22078, -20557, -19024, -17479, -15923, -14359,
-12785, -11204, -9616, -8022, -6423, -4821, -3215, -1608,
0, 1608, 3215, 4821, 6423, 8022, 9616, 11204,
12785, 14359, 15923, 17479, 19024, 20557, 22078, 23586,
25079, 26557, 28020, 29465, 30893, 32302, 33692, 35061,
36409, 37736, 39039, 40319, 41575, 42806, 44011, 45189,
46340, 47464, 48558, 49624, 50660, 51665, 52639, 53581,
54491, 55368, 56212, 57022, 57797, 58538, 59243, 59913,
60547, 61144, 61705, 62228, 62714, 63162, 63571, 63943,
64276, 64571, 64826, 65043, 65220, 65358, 65457, 65516
};
const long *sinTable = &(sinCosTable[0]);
const long *cosTable = &(sinCosTable[64]);
// FIXME: Tables
const int sequenceVariableCount = 33;
enum SequenceVariables {
kSeqVarTimer = 0,
kSeqVarTag = 1,
kSeqVarLayer = 2,
kSeqVarWidth = 3,
kSeqVarHeight = 4,
kSeqVarX = 5,
kSeqVarY = 6,
kSeqVarScale = 7,
kSeqVarR = 8,
kSeqVarSpriteHash = 9,
kSeqVarSpriteFrameNumber = 10,
kSeqVarSpriteFrameCount = 11,
kSeqVarSpriteFrameRate = 12,
kSeqVarSpriteFramePixelSpeed = 13,
kSeqVarTargetS = 14,
kSeqVarTargetR = 15,
kSeqVarTargetX = 16,
kSeqVarTargetY = 17,
kSeqVarDeltaS = 18,
kSeqVarDeltaR = 19,
kSeqVarDeltaX = 20,
kSeqVarDeltaY = 21,
kSeqVarVelocity = 22,
kSeqVarTheta = 23,
kSeqVarTemp1 = 24,
kSeqVarTemp2 = 25,
kSeqVarTemp3 = 26,
kSeqVarTemp4 = 27,
kSeqVarTemp5 = 28,
kSeqVarTemp6 = 29,
kSeqVarTemp7 = 30,
kSeqVarTemp8 = 31,
kSeqVarMachineID = 32
};
bool (Sequence::*sequenceCommandsTable[])(Instruction &instruction) = {
&Sequence::s1_end,
&Sequence::s1_clearVars,
&Sequence::s1_set,
&Sequence::s1_compare,
&Sequence::s1_add,
&Sequence::s1_sub,
&Sequence::s1_mul,
&Sequence::s1_div,
&Sequence::s1_and,
&Sequence::s1_or,
&Sequence::s1_not,
&Sequence::s1_sin,
&Sequence::s1_cos,
&Sequence::s1_abs,
&Sequence::s1_min,
&Sequence::s1_max,
&Sequence::s1_mod,
&Sequence::s1_floor,
&Sequence::s1_round,
&Sequence::s1_ceil,
&Sequence::s1_point,
&Sequence::s1_dist2d,
&Sequence::s1_crunch,
&Sequence::s1_branch,
&Sequence::s1_setFrame,
&Sequence::s1_sendMessage,
&Sequence::s1_push,
&Sequence::s1_pop,
&Sequence::s1_jumpSub,
&Sequence::s1_return,
&Sequence::s1_getFrameCount,
&Sequence::s1_getFrameRate,
&Sequence::s1_getCelsPixSpeed,
&Sequence::s1_setIndex,
&Sequence::s1_setLayer,
&Sequence::s1_setDepth,
&Sequence::s1_setData,
&Sequence::s1_openStream,
&Sequence::s1_streamNextFrame,
&Sequence::s1_closeStream
};
Sequence::Sequence(WoodScript *ws, Machine *machine, int32 sequenceHash) {
_ws = ws;
SequenceAsset *sequenceAsset = _ws->assets()->getSequence(sequenceHash);
// initialize the sequence's bytecode
byte *code;
uint32 codeSize;
sequenceAsset->getCode(code, codeSize);
_code = new Bytecode(_ws, code, codeSize, this);
_active = true;
_sequenceHash = sequenceHash;
_machine = machine;
_parentSequence = _machine->parentSequence();
_dataRow = _machine->dataRow();
_startTime = 0;
_switchTime = 0;
//TODO _flags = 0;
_localVarCount = sequenceAsset->localVarCount();
_vars = new long[sequenceVariableCount + _localVarCount];
_returnStackIndex = 0;
_layer = 0;
_terminated = false;
clearVars();
_vars[kSeqVarMachineID] = _machine->getId();
}
Sequence::~Sequence() {
delete _code;
}
void Sequence::pause() {
_active = false;
}
void Sequence::resume() {
_active = true;
}
void Sequence::issueEndOfSequenceRequest(int32 codeOffset, int32 count) {
//printf("Sequence::issueEndOfSequenceRequest(%04X, %04X)\n", codeOffset, count); fflush(stdout);
//g_system->delayMillis(5000);
_endOfSequenceRequest.codeOffset = codeOffset;
_endOfSequenceRequest.count = count;
}
void Sequence::cancelEndOfSequenceRequest() {
_endOfSequenceRequest.codeOffset = -1;
}
bool Sequence::runProgram() {
bool done = true;
//printf("_ws->getGlobal(kGlobTime) = %ld, _switchTime = %d\n", _ws->getGlobal(kGlobTime), _switchTime);
if (_switchTime >= 0 && _ws->getGlobal(kGlobTime) >= _switchTime)
done = false;
_vars[kSeqVarTimer] -= _ws->getGlobal(kGlobTimeDelta) << 16;
while (!done) {
Instruction instruction;
_code->loadInstruction(instruction);
if (sequenceCommandsTable[instruction.instr] != NULL)
done = !(this->*sequenceCommandsTable[instruction.instr])(instruction);
else { fflush(stdout); /*g_system->delayMillis(1000);*/ }
}
return _terminated;
}
void Sequence::clearVars() {
for (int i = 0; i < sequenceVariableCount + _localVarCount; i++)
_vars[i] = 0;
// set default scaling to 100%
_vars[kSeqVarScale] = 0x10000;
}
bool Sequence::changeProgram(int32 sequenceHash) {
SequenceAsset *sequenceAsset = _ws->assets()->getSequence(sequenceHash);
if (sequenceAsset->localVarCount() > _localVarCount) {
//printf("Sequence::changeProgram(%d) sequenceAsset->localVarCount() > _localVarCount\n", sequenceHash);
return false;
}
// Initialize the sequence's bytecode
byte *code;
uint32 codeSize;
sequenceAsset->getCode(code, codeSize);
_code->setCode(code, codeSize);
// Reset status variables
_switchTime = 0;
_active = true;
_terminated = false;
_endOfSequenceRequest.codeOffset = -1;
_sequenceHash = sequenceHash;
_returnStackIndex = 0;
return true;
}
long *Sequence::getVarPtr(int index) {
return &_vars[index];
}
long *Sequence::getParentVarPtr(int index) {
return _parentSequence->getVarPtr(index);
}
long *Sequence::getDataPtr(int index) {
return &_dataRow[index];
}
void Sequence::draw(M4Surface *surface, const Common::Rect &clipRect, Common::Rect &updateRect) {
SpriteInfo info;
info.sprite = _curFrame;
info.hotX = _curFrame->xOffset;
info.hotY = _curFrame->yOffset;
info.encoding = _curFrame->encoding;
info.inverseColorTable = _vm->_scene->getInverseColorTable();
info.palette = _ws->getMainPalette();
info.width = _curFrame->w;
info.height = _curFrame->h;
int32 scaler = FixedMul(_vars[kSeqVarScale], 100 << 16) >> 16;
info.scaleX = _vars[kSeqVarWidth] < 0 ? -scaler : scaler;
info.scaleY = scaler;
surface->drawSprite(_vars[kSeqVarX] >> 16, _vars[kSeqVarY] >> 16, info, clipRect);
}
bool Sequence::s1_end(Instruction &instruction) {
//printf("Sequence::s1_end()\n");
_terminated = true;
return false;
}
bool Sequence::s1_clearVars(Instruction &instruction) {
//printf("Sequence::s1_clearVars()\n");
clearVars();
_vars[kSeqVarMachineID] = _machine->getId();
return true;
}
bool Sequence::s1_set(Instruction &instruction) {
//printf("Sequence::s1_set()\n");
*instruction.argp[0] = instruction.getValue();
return true;
}
bool Sequence::s1_compare(Instruction &instruction) {
//printf("Sequence::s1_compare()\n");
long value = instruction.getValue();
if (instruction.argv[0] < value)
_cmpFlags = -1;
else if (instruction.argv[0] > value)
_cmpFlags = 1;
else
_cmpFlags = 0;
return true;
}
bool Sequence::s1_add(Instruction &instruction) {
//printf("Sequence::s1_add()\n");
*instruction.argp[0] += instruction.getValue();
return true;
}
bool Sequence::s1_sub(Instruction &instruction) {
//printf("Sequence::s1_sub()\n");
*instruction.argp[0] -= instruction.getValue();
return true;
}
bool Sequence::s1_mul(Instruction &instruction) {
//printf("Sequence::s1_mul()\n");
*instruction.argp[0] = FixedMul(instruction.argv[0], instruction.getValue());
return true;
}
bool Sequence::s1_div(Instruction &instruction) {
//printf("Sequence::s1_div()\n");
// TODO: Catch divisor = 0 in FixedDiv
*instruction.argp[0] = FixedDiv(instruction.argv[0], instruction.getValue());
return true;
}
bool Sequence::s1_and(Instruction &instruction) {
//printf("Sequence::s1_and()\n");
*instruction.argp[0] = instruction.argv[0] & instruction.getValue();
if (*instruction.argp[0])
_cmpFlags = 0;
else
_cmpFlags = 1;
return true;
}
bool Sequence::s1_or(Instruction &instruction) {
//printf("Sequence::s1_or()\n");
*instruction.argp[0] = instruction.argv[0] | instruction.getValue();
if (*instruction.argp[0])
_cmpFlags = 0;
else
_cmpFlags = 1;
return true;
}
bool Sequence::s1_not(Instruction &instruction) {
//printf("Sequence::s1_not()\n");
if (instruction.argv[0] == 0) {
*instruction.argp[0] = 0x10000;
_cmpFlags = 1;
} else {
*instruction.argp[0] = 0;
_cmpFlags = 0;
}
return true;
}
bool Sequence::s1_sin(Instruction &instruction) {
//printf("Sequence::s1_sin()\n");
int32 tempAngle = *instruction.argp[1] >> 16;
if (tempAngle < 0)
tempAngle = 0x0100 - ((-tempAngle) & 0xff);
else
tempAngle &= 0xff;
// FIXME: Why use the cosTable in s1_sin() ?
// Note that sin(0) 0 and sinTable[0] = 0 but cos(0)=1, and indeed
// cosTable[0] = 65536, which is 1 considered as a fixed point.
*instruction.argp[0] = -cosTable[tempAngle];
return true;
}
bool Sequence::s1_cos(Instruction &instruction) {
//printf("Sequence::s1_cos()\n");
int32 tempAngle = *instruction.argp[1] >> 16;
if (tempAngle < 0)
tempAngle = 0x0100 - ((-tempAngle) & 0xff);
else
tempAngle &= 0xff;
// FIXME: Why use the sinTable in s1_cos() ?
// Note that sin(0) 0 and sinTable[0] = 0 but cos(0)=1, and indeed
// cosTable[0] = 65536, which is 1 considered as a fixed point.
*instruction.argp[0] = sinTable[tempAngle];
return true;
}
bool Sequence::s1_abs(Instruction &instruction) {
//printf("Sequence::s1_abs()\n");
*instruction.argp[0] = ABS(instruction.argv[1]);
return true;
}
bool Sequence::s1_min(Instruction &instruction) {
//printf("Sequence::s1_min()\n");
*instruction.argp[0] = MIN(instruction.argv[1], instruction.argv[2]);
return true;
}
bool Sequence::s1_max(Instruction &instruction) {
//printf("Sequence::s1_max()\n");
*instruction.argp[0] = MAX(instruction.argv[1], instruction.argv[2]);
return true;
}
bool Sequence::s1_mod(Instruction &instruction) {
//printf("Sequence::s1_mod()\n");
*instruction.argp[0] = instruction.argv[0] % instruction.getValue();
return true;
}
bool Sequence::s1_floor(Instruction &instruction) {
//printf("Sequence::s1_floor()\n");
*instruction.argp[0] = instruction.getValue() & 0xffff0000;
return true;
}
bool Sequence::s1_round(Instruction &instruction) {
//printf("Sequence::s1_round()\n");
if ((*instruction.argp[1] & 0xffff) >= 0x8000)
*instruction.argp[0] = (*instruction.argp[1] + 0x10000) & 0xffff0000;
else
*instruction.argp[0] = *instruction.argp[1] & 0xffff0000;
return true;
}
bool Sequence::s1_ceil(Instruction &instruction) {
//printf("Sequence::s1_ceil()\n");
if ((*instruction.argp[1] & 0xffff) >= 0)
*instruction.argp[0] = (*instruction.argp[1] + 0x10000) & 0xffff0000;
else
*instruction.argp[0] = *instruction.argp[1] & 0xffff0000;
return true;
}
bool Sequence::s1_point(Instruction &instruction) {
printf("Sequence::s1_point()\n");
// TODO
return true;
}
bool Sequence::s1_dist2d(Instruction &instruction) {
printf("Sequence::s1_dist2d()\n");
// TODO
return true;
}
bool Sequence::s1_crunch(Instruction &instruction) {
//printf("Sequence::s1_crunch()\n");
long deltaTime;
if (instruction.argc == 2) {
deltaTime = _vm->imath_ranged_rand16(instruction.argv[0], instruction.argv[1]);
} else if (instruction.argc == 1) {
deltaTime = instruction.argv[0];
} else {
deltaTime = 0;
}
_startTime = _ws->getGlobal(kGlobTime);
//printf("deltaTime = %ld\n", deltaTime >> 16); fflush(stdout);
//g_system->delayMillis(5000);
if (deltaTime >= 0) {
_switchTime = _ws->getGlobal(kGlobTime) + (deltaTime >> 16);
//printf("_ws->getGlobal(kGlobTime) = %ld\n", _ws->getGlobal(kGlobTime)); fflush(stdout);
//g_system->delayMillis(5000);
} else {
_switchTime = -1;
}
// TODO: Update if walking etc.
return false;
}
bool Sequence::s1_branch(Instruction &instruction) {
//printf("Sequence::s1_branch()\n");
uint32 ofs = instruction.argv[1] >> 16;
switch (instruction.argv[0] >> 16) {
case 0: // jmp
_code->jumpRelative(ofs);
break;
case 1: // <
if (_cmpFlags < 0)
_code->jumpRelative(ofs);
break;
case 2: // <=
if (_cmpFlags <= 0)
_code->jumpRelative(ofs);
break;
case 3: // ==
if (_cmpFlags == 0)
_code->jumpRelative(ofs);
break;
case 4: // !=
if (_cmpFlags != 0)
_code->jumpRelative(ofs);
break;
case 5: // >=
if (_cmpFlags >= 0)
_code->jumpRelative(ofs);
break;
case 6: // >
if (_cmpFlags > 0)
_code->jumpRelative(ofs);
break;
}
return true;
}
bool Sequence::s1_setFrame(Instruction &instruction) {
//printf("Sequence::s1_setFrame()\n");
int32 frameIndex;
if (instruction.argc == 3) {
frameIndex = _vm->imath_ranged_rand(instruction.argv[1] >> 16, instruction.argv[2] >> 16);
} else if (instruction.argc == 2) {
frameIndex = instruction.argv[1] >> 16;
} else {
frameIndex = (instruction.argv[0] & 0xFF0000) >> 16;
}
//printf("Sequence::s1_setFrame() spriteHash = %d\n", (uint32)instruction.argv[0] >> 24);
//printf("Sequence::s1_setFrame() frameIndex = %d\n", frameIndex);
SpriteAsset *spriteAsset = _ws->assets()->getSprite((uint32)instruction.argv[0] >> 24);
_curFrame = spriteAsset->getFrame(frameIndex);
return true;
}
bool Sequence::s1_sendMessage(Instruction &instruction) {
printf("Sequence::s1_sendMessage()\n");
// TODO
return true;
}
bool Sequence::s1_push(Instruction &instruction) {
printf("Sequence::s1_push()\n");
// TODO
return true;
}
bool Sequence::s1_pop(Instruction &instruction) {
printf("Sequence::s1_pop()\n");
// TODO
return true;
}
bool Sequence::s1_jumpSub(Instruction &instruction) {
//printf("Sequence::s1_jumpSub()\n");
_returnHashes[_returnStackIndex] = _sequenceHash;
_returnOffsets[_returnStackIndex] = _code->pos();
_returnStackIndex++;
_sequenceHash = instruction.argv[0] >> 16;
SequenceAsset *sequenceAsset = _ws->assets()->getSequence(_sequenceHash);
// initialize the sequence's bytecode
byte *code;
uint32 codeSize;
sequenceAsset->getCode(code, codeSize);
_code->setCode(code, codeSize);
return true;
}
bool Sequence::s1_return(Instruction &instruction) {
//printf("Sequence::s1_return()\n");
if (_returnStackIndex <= 0)
return s1_end(instruction);
_returnStackIndex--;
_sequenceHash = _returnHashes[_returnStackIndex];
uint32 ofs = _returnOffsets[_returnStackIndex];
SequenceAsset *sequenceAsset = _ws->assets()->getSequence(_sequenceHash);
// initialize the sequence's bytecode
byte *code;
uint32 codeSize;
sequenceAsset->getCode(code, codeSize);
_code->setCode(code, codeSize);
_code->jumpAbsolute(ofs);
return true;
}
bool Sequence::s1_getFrameCount(Instruction &instruction) {
//printf("Sequence::s1_getFrameCount()\n");
SpriteAsset *spriteAsset = _ws->assets()->getSprite(instruction.argv[1] >> 24);
*instruction.argp[0] = spriteAsset->getCount() << 16;
return true;
}
bool Sequence::s1_getFrameRate(Instruction &instruction) {
//printf("Sequence::s1_getFrameRate()\n");
SpriteAsset *spriteAsset = _ws->assets()->getSprite(instruction.argv[1] >> 24);
*instruction.argp[0] = spriteAsset->getFrameRate();
return true;
}
bool Sequence::s1_getCelsPixSpeed(Instruction &instruction) {
printf("Sequence::s1_getCelsPixSpeed()\n");
// TODO
return true;
}
bool Sequence::s1_setIndex(Instruction &instruction) {
printf("Sequence::s1_setIndex()\n");
// TODO
return true;
}
bool Sequence::s1_setLayer(Instruction &instruction) {
printf("Sequence::s1_setLayer()\n");
//TODO
return true;
}
bool Sequence::s1_setDepth(Instruction &instruction) {
printf("Sequence::s1_setDepth()\n");
//TODO
return true;
}
bool Sequence::s1_setData(Instruction &instruction) {
printf("Sequence::s1_setData()\n");
//TODO
return true;
}
bool Sequence::s1_openStream(Instruction &instruction) {
//printf("Sequence::s1_openStream()\n");
_stream = _vm->res()->openFile(_machine->name().c_str());
streamOpen();
return true;
}
bool Sequence::s1_streamNextFrame(Instruction &instruction) {
//printf("Sequence::s1_streamNextFrame()\n");
streamNextFrame();
return true;
}
bool Sequence::s1_closeStream(Instruction &instruction) {
printf("Sequence::s1_closeStream()\n");
//TODO
return true;
}
bool Sequence::streamOpen() {
_streamSpriteAsset = new SpriteAsset(_vm, _stream, _stream->size(), "stream", true);
_vars[kSeqVarSpriteFrameNumber] = -0x10000;
_vars[kSeqVarSpriteFrameCount] = _streamSpriteAsset->getCount() << 16;
_vars[kSeqVarSpriteFrameRate] = _streamSpriteAsset->getFrameRate() << 16;
//printf("Sequence::streamOpen() frames = %d; max = %d x %d\n", _streamSpriteAsset->getCount(), _streamSpriteAsset->getMaxFrameWidth(), _streamSpriteAsset->getMaxFrameHeight());
//fflush(stdout);
_curFrame = new M4Sprite(_vm, _streamSpriteAsset->getMaxFrameWidth(), _streamSpriteAsset->getMaxFrameHeight());
streamNextFrame();
// TODO: Just a hack to see the series with the correct palette.
_vm->_palette->setPalette(_streamSpriteAsset->getPalette(), 0, 256);
return true;
}
bool Sequence::streamNextFrame() {
_vars[kSeqVarSpriteFrameNumber] += 0x10000;
int32 frameNum = _vars[kSeqVarSpriteFrameNumber] >> 16;
if (frameNum >= _streamSpriteAsset->getCount()) {
// End reached
return false;
}
_streamSpriteAsset->loadStreamingFrame(_curFrame, frameNum, _vars[kSeqVarX], _vars[kSeqVarY]);
_vars[kSeqVarWidth] = _curFrame->w << 16;
_vars[kSeqVarHeight] = _curFrame->h << 16;
return true;
}
void Sequence::streamClose() {
_stream = NULL;
_vm->res()->toss(_machine->name().c_str());
//_vm->res()->purge();
delete _streamSpriteAsset;
delete _curFrame;
_stream = NULL;
_streamSpriteAsset = NULL;
_curFrame = NULL;
}
}