void write_changepos(TAG*output, TAG*tag, int movex, int movey, float scalex, float scaley, int scalepos)
{
if(movex || movey || scalex != 1.0 || scaley != 1.0)
{
switch(tag->id)
{
case ST_PLACEOBJECT2: {
MATRIX m;
U8 flags;
swf_GetMatrix(0, &m);
tag->pos = 0;
tag->readBit = 0;
flags = swf_GetU8(tag);
swf_SetU8(output, flags|4);
swf_SetU16(output, swf_GetU16(tag)); //depth
//flags&1: move
if(flags&2) {
swf_SetU16(output, swf_GetU16(tag)); //id
}
// flags & 4
if(flags&4) {
swf_GetMatrix(tag, &m);
} else {
swf_GetMatrix(0, &m);
}
matrix_adjust(&m, movex, movey, scalex, scaley, scalepos);
swf_SetMatrix(output, &m);
if (tag->readBit) { tag->pos++; tag->readBit = 0; } //swf_ResetReadBits(tag);
swf_SetBlock(output, &tag->data[tag->pos], tag->len - tag->pos);
break;
}
case ST_PLACEOBJECT: {
MATRIX m;
swf_SetU16(output, swf_GetU16(tag)); //id
swf_SetU16(output, swf_GetU16(tag)); //depth
swf_GetMatrix(tag, &m);
matrix_adjust(&m, movex, movey, scalex, scaley, scalepos);
swf_SetMatrix(output, &m);
if (tag->readBit) { tag->pos++; tag->readBit = 0; } //swf_ResetReadBits(tag);
swf_SetBlock(output, &tag->data[tag->pos], tag->len - tag->pos);
break;
}
default:
swf_SetBlock(output, tag->data, tag->len);
}
}
else
{
swf_SetBlock(output, tag->data, tag->len);
}
}
void changedepth(TAG*tag, int add)
{
if(tag->id == ST_PLACEOBJECT)
PUT16(&tag->data[2],GET16(&tag->data[2])+add);
if(tag->id == ST_PLACEOBJECT2)
PUT16(&tag->data[1],GET16(&tag->data[1])+add);
if(tag->id == ST_REMOVEOBJECT)
PUT16(&tag->data[2],GET16(&tag->data[2])+add);
if(tag->id == ST_REMOVEOBJECT2)
PUT16(&tag->data[0],GET16(&tag->data[0])+add);
if(tag->id == ST_PLACEOBJECT2) {
SWFPLACEOBJECT obj;
U8 flags;
swf_SetTagPos(tag, 0);
flags = swf_GetU8(tag);
if(flags&2) swf_GetU16(tag); //id
if(flags&4) swf_GetMatrix(tag, 0);
if(flags&8) swf_GetCXForm(tag, 0,1);
if(flags&16) swf_GetU16(tag); //ratio
if(flags&64) {
swf_ResetReadBits(tag);
printf("%d->%d\n", GET16(&tag->data[tag->pos]),
GET16(&tag->data[tag->pos])+add);
PUT16(&tag->data[tag->pos],GET16(&tag->data[tag->pos])+add);
}
msg("<warning> Depth relocation not fully working yet with clipdepths", tag->id);
}
}
PyObject* f_Matrix(PyObject* _self, PyObject* args, PyObject* kwargs)
{
PyObject*self = (PyObject*)PyObject_New(MatrixObject, &MatrixClass);
MatrixObject*matrix = (MatrixObject*)self;
mylog("+%08x(%d) f_Matrix", self, self->ob_refcnt);
static char *kwlist[] = {"x", "y", "scale", "rotate", "pivotx", "pivoty", NULL};
float x=0,y=0,scale=1.0,rotate=0,pivotx=0,pivoty=0;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ffffff", kwlist, &x,&y,&scale,&rotate,&pivotx,&pivoty))
return NULL;
mylog(" %08x(%d) f_Matrix: x=%f y=%f scale=%f rotate=%f", self, self->ob_refcnt, x,y,scale,rotate);
swf_GetMatrix(0, &matrix->matrix);
matrix->matrix.tx = (int)(x*20);
matrix->matrix.ty = (int)(y*20);
if(!rotate) {
matrix->matrix.sx = (int)(scale*65536);
matrix->matrix.sy = (int)(scale*65536);
} else {
matrix->matrix.sx = (int)(scale*cos(rotate)*65536);
matrix->matrix.sy = (int)(scale*cos(rotate)*65536);
matrix->matrix.r0 = (int)(scale*sin(rotate)*65536);
matrix->matrix.r1 = (int)(-scale*sin(rotate)*65536);
}
if(pivotx || pivoty) {
SPOINT p,d;
p.x = (int)(pivotx*20);
p.y = (int)(pivoty*20);
p = swf_TurnPoint(p, &matrix->matrix);
matrix->matrix.tx += matrix->matrix.tx-p.x;
matrix->matrix.ty += matrix->matrix.ty-p.y;
}
/* TODO: rotate */
return self;
}