-static unsigned AVM2_uint32toU30(unsigned val, char * out)
-{
- unsigned len = 0;
-
- while(val) {
- out[len++] = (val&~0x7f?0x80:0) | (val & 0x7F);
- val >>= 7;
- }
-
- return len;
-}
-
-void AVM2_InsertStops(SWF*swf)
-{
- TAG * t;
-
- //MAIN AS3 CLASS INIT
- unsigned frame_nums = 0;
-
- /* Count number of pages to set up stop callback for every frame */
- t = swf->firstTag;
- while(t) {
- if (t->id == ST_SHOWFRAME) ++frame_nums;
- t = t->next;
- }
-
- TAG * classCall = swf_InsertTagBefore(swf, swf->firstTag, ST_SYMBOLCLASS);
- swf_SetU16(classCall, 1); // number of symbols
- swf_SetU16(classCall, 0); // object id
- swf_SetString(classCall, "stop_fla:MainTimeline"); // class to associate with the symbol
-
- //0x52 is the Flash9 equivalent to DoAction
- char init_pool[322] = {
- 0x01,0x00,0x00,0x00, /* Flag Parameter to ST_DOABC (1 = lazy load)*/
- 0x00, /* 0 terminated class name */
- 0x10,0x00,0x2e,0x00, /* ABC file magic number (minor version, major version) */
- 0x00, /* zero integers */
- 0x00, /* zero unsigned integers */
- 0x00, /* zero doubles */
-
- 0x11, /* 16 strings (+1) */
- 0x08, 's','t','o','p','_','f','l','a',
- 0x0c, 'M','a','i','n','T','i','m','e','l','i','n','e',
- 0x0d, 'f','l','a','s','h','.','d','i','s','p','l','a','y',
- 0x09, 'M','o','v','i','e','C','l','i','p',
- 0x15, 's','t','o','p','_','f','l','a',':','M','a','i','n','T','i','m','e','l','i','n','e',
- 0x06, 'd','o','s','t','o','p',
- 0x00, // Empty string: ref. to the global namespace
- 0x04, 's','t','o','p',
- 0x0e, 'a','d','d','F','r','a','m','e','S','c','r','i','p','t',
- 0x06, 'O','b','j','e','c','t',
- 0x0c, 'f','l','a','s','h','.','e','v','e','n','t','s',
- 0x0f, 'E','v','e','n','t','D','i','s','p','a','t','c','h','e','r',
- 0x0d, 'D','i','s','p','l','a','y','O','b','j','e','c','t',
- 0x11, 'I','n','t','e','r','a','c','t','i','v','e','O','b','j','e','c','t',
- 0x16, 'D','i','s','p','l','a','y','O','b','j','e','c','t','C','o','n','t','a','i','n','e','r',
- 0x06, 'S','p','r','i','t','e',
-
- 0x07, /* 6 namespaces (+1) */
- 0x16,0x01, /* kind: CONSTANT_PackageNamespace, ref. to: stop_fla */
- 0x16,0x03, /* kind: CONSTANT_PackageNamespace, ref. to: flash.display */
- 0x18,0x05, /* kind: CONSTANT_ProtectedNamespace, ref. to: stop_fla:MainTimeline */
- 0x17,0x01, /* kind: CONSTANT_PackageInternalNs, ref. to: MainTimeline */
- 0x16,0x07, /* kind: CONSTANT_PackageNamespace, ref. to the global namespace */
- 0x16,0x0b, /* kind: CONSTANT_PackageNamespace, ref. to: flash.events */
-
- 0x00, /* zero namespace sets */
-
- 0x0c, /* 11 MultiNames (+1) */
- /* 1st value: Multiname kind (0x07 = Qualified Name, a multiname with 1 namespace, refers to a method)
- 2nd value: refers to namespace name index in the namespace table
- 3rd value: refers to method name index in the string table */
- 0x07,0x01,0x02, /* stop_fla:MainTimeLine */
- 0x07,0x02,0x04, /* flash.display:MovieClip */
- 0x07,0x04,0x06, /* <4th namespace>:dostop */
- 0x07,0x05,0x08, /* <global>:stop */
- 0x07,0x05,0x09, /* <global>:addFrameScript */
- 0x07,0x05,0x0a, /* <global>:Object */
- 0x07,0x06,0x0c, /* flash.events:EventDispatcher */
- 0x07,0x02,0x0d, /* flash.display:DisplayObject */
- 0x07,0x02,0x0e, /* flash.display:InteractiveObject */
- 0x07,0x02,0x0f, /* flash.display:DisplayObjectContainer */
- 0x07,0x02,0x10, /* flash.display:Sprite */
-
- 0x04, /* 4 Methods */
- /* METHOD 1 */
- 0x00,0x00,0x00,0x00, /* No params (nor params types), no return type, no method name, flags */
- 0x00,0x00,0x00,0x00, /* No params (nor params types), no return type, no method name, flags */
- 0x00,0x00,0x00,0x00, /* No params (nor params types), no return type, no method name, flags */
- 0x00,0x00,0x00,0x00, /* No params (nor params types), no return type, no method name, flags */
-
- 0x00, /* Zero Metadata */
-
- 0x01, /* 1 Class */
- 0x01, /* Name: ref. to multiname no. 1 (MainTimeline) */
- 0x02, /* Super_name (base class): ref. to multiname no. 2 (flash.display) */
- 0x08, /* Flags: 0x08 value indicates that it uses its protected namespace (and make next field exists) */
- 0x03, /* Ref. to namespace no. 3 (MainTimeline, protected namespace for this class) */
- 0x00, /* No. of interfaces: there are no interfaces (nor interface definition) */
- 0x02, /* Initializer index: ref. to method no. 2 */
- 0x01, /* No. of traits */
- /* Trait section */
- 0x03, /* Name: ref. to multiname no. 3 (stop) */
- 0x01, /* 0000: no attributes (nor metadata in the next subsection);
- then 1: type is Trait_Method */
- /* Trait_method section */
- 0x00, /* NO optimization for virtual calls */
- 0x01, /* Ref. to method no. 1 */
- /* HERE FOLLOW THE CLASS DATA */
- 0x00, /* Ref. to method no. 0 as static initializer for this class */
- 0x00, /* No. of traits for this class (no ones) */
-
- 0x01, /* 1 Script */
- 0x03, /* Ref. to method no. 3, invoked prior to any other code in the script */
- 0x01, /* No. of traits */
- /* Trait section */
- 0x01, /* Name: ref. to multiname no. 1 (flash.display:MovieClip) */
- 0x04, /* 0000: no attributes (nor metadata in the next subsection);
- then 4: type is Trait_Class*/
- /* Trait_class section */
- 0x01, /* Slot ID where the trait resides */
- 0x00, /* Class index (there is only one class)*/
-
- 0x04, /* Method body count: there are 4 method bodies */
- /* HERE FOLLOW THE METHOD BODY DATA */
- 0x00, /* Method index, ref. to method no. 0 */
- 0x01, /* Max stack slots the method can use */
- 0x01, /* No. of registers +1 the method can use: this one cannot use registers */
- 0x09,0x0a, /* Min and max scope depth the method can access*/
- 0x03, /* Code length (in bytes) */
- /* The actual method code:
- this is the function stop_fla::MainTimeline$cinit()*/
- 0xd0,0x30,0x47,
- 0x00, /* No. of exceptions (no exceptions) */
- 0x00, /* No. of traits (no traits) */
-
- 0x01, /* Method index, ref. to method no. 1 */
- 0x01, /* Max stack slots the method can use */
- 0x01, /* No. of registers +1 the method can use: this one cannot use registers */
- 0x0a,0x0b, /* Min and max scope depth the method can access*/
- 0x08, /* Code length (in bytes) */
- /* The actual method code:
- this is the function stop_fla::dostop(),
- the one that actually executes the stop() */
- 0xd0,0x30,0x5d,0x04,0x4f,0x04,0x00,0x47,
- 0x00, /* No. of exceptions (no exceptions) */
- 0x00, /* No. of traits (no traits) */
- };
-
- /* Header of stop_fla::MainTimeline() method */
- char constructor_header[5] = {
- 0x02, /* Method index, ref. to method no. 2 */
- 0x03, /* Max stack slots the method can use */
- 0x01, /* No. of registers +1 the method can use: this one cannot use registers */
- 0x0a,0x0b /* Min and max scope depth the method can access*/
- };
-
- char constructor_first[5] = {
- /* The actual method code:
- This is the function stop_fla::MainTimeline()
- Does: calls the super constructor for class #0 (MainTimeline),
- then puts on the stack the object, namespace and name of the arguments
- needed by the addFrameScripts, then calls the addFrameScripts
- */
- 0xd0, /* getlocal0 */
- 0x30, /* pushscope */
- 0xd0, /* getlocal0 */
- 0x49, /* constructsuper */
- 0x00 /* 0 */
- };
-
- char constructor_frame_register[10] = {
- 0x5d, /* findpropstrict */
- 0x05, /* 'addFrameScript' */
- 0x25, /* pushshort */
- 0x00, /* frame number for pushshort */
- 0x02, /* NOP (hack to write u30 value of frame number when > 127) */
- 0x60, /* getlex */
- 0x03, /* 'stop_fla::dostop' */
- 0x4f, /* callpropvoid */
- 0x05, /* 'addFrameScript' */
- 0x02 /* 2*/
- };
-
- char constructor_return[3] = {
- 0x47, /* returnvoid */
- 0x00, /* No. of exceptions (no exceptions) */
- 0x00, /* No. of traits (no traits) */
- };
-
- char script_init_pool[47] = {
- 0x03, /* Method index, ref. to method no. 3 */
- 0x02, /* Max stack slots the method can use */
- 0x01, /* No. of registers +1 the method can use: this one cannot use registers */
- 0x01,0x09, /* Min and max scope depth the method can access*/
- 0x27, /* Code length (in bytes) */
- /* The actual method code:
- this is the function script0$init() */
- 0xd0,0x30,0x65,0x00,0x60,0x06,0x30,0x60,0x07,0x30,0x60,0x08,0x30,0x60,0x09,0x30,0x60,0x0a,0x30,0x60,
- 0x0b,0x30,0x60,0x02,0x30,0x60,0x02,0x58,0x00,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x1d,0x68,0x01,0x47,
- 0x00, /* No. of exceptions (no exceptions) */
- 0x00 /* No. of traits (no traits) */
- };
- /* END OF THE ABCFILE (Actionscript Byte Code) */
-
- char code_len[5] = {0, };
- unsigned clen_len = AVM2_uint32toU30((6 + sizeof(constructor_frame_register) * frame_nums), code_len);
- unsigned i, offset = 0;
-
- TAG *classInit = swf_InsertTagBefore(swf, swf->firstTag, ST_DOABC);
-
- /* Copy the environment Initialization code */
- swf_SetBlock(classInit, (U8*)init_pool,sizeof(init_pool));
- /* Copy Constructor Method header */
- swf_SetBlock(classInit, (U8*)constructor_header, sizeof(constructor_header));
- /* Add Code block size (u30) to the method header */
- swf_SetBlock(classInit, (U8*)code_len, clen_len);
-
- /* Copy Constructor Method body first part */
- swf_SetBlock(classInit, (U8*)constructor_first, sizeof(constructor_first));
-
- /* Register the callback for every frame */
- for (i = 0; i < frame_nums; ++i) {
- AVM2_uint32toU30(i,constructor_frame_register + 3); // Write current frame number
- swf_SetBlock(classInit, (U8*)constructor_frame_register, sizeof(constructor_frame_register));
- }
-
- /* Copy Constructor method body ending, just a return */
- swf_SetBlock(classInit, (U8*)constructor_return, sizeof(constructor_return));
-
- /* Copy the script init code */
- swf_SetBlock(classInit, (U8*)script_init_pool, sizeof(script_init_pool));
-}
-
-void AVM2_InsertButtonLink(SWF*swf)
-{
- unsigned char displayEventCode[] = {
- // button.dispatchEvent(new Event("pdflinkdown"),true,true)
-
- 0x01, 0x00, 0x00, 0x00, //flags
- 0x00,
- 0x10, 0x00, 0x2e, 0x00, //version
- 0x00, //no ints
- 0x00, //no uints
- 0x00, //no floats
- 0x14, //19 strings
- 0x17, 'e','v','e','n','t','_','o','h','n','e','_','l','i','s','t','e','n','e','r','_','f','l','a',
- 0x0c, 'M','a','i','n','t','i','m','e','l','i','n','e',
- 0x0d, 'f','l','a','s','h','.','d','i','s','p','l','a','y',
- 0x09, 'M','o','v','i','e','c','l','i','p',
- 0x24, 'e','v','e','n','t','_','o','h','n','e','_','l','i','s','t','e','n','e','r','_','f','l','a',':','M','a','i','n','t','i','m','e','l','i','n','e',
- 0x00,
- 0x06, 'b','u','t','t','o','n',
- 0x06, 'f','r','a','m','e','1',
- 0x0c, 'f','l','a','s','h','.','e','v','e','n','t','s',
- 0x05, 'E','v','e','n','t',
- 0x0b, 'p','d','f','l','i','n','k','d','o','w','n',
- 0x0d, 'd','i','s','p','a','t','c','h','E','v','e','n','t',
- 0x0e, 'a','d','d','F','r','a','m','e','S','c','r','i','p','t',
- 0x06, 'O','b','j','e','c','t',
- 0x0f, 'E','v','e','n','t','d','i','s','p','a','t','c','h','e','r',
- 0x0d, 'D','i','s','p','l','a','y','O','b','j','e','c','t',
- 0x11, 'I','n','t','e','r','a','c','t','i','v','e','O','b','j','e','c','t',
- 0x16, 'D','i','s','p','l','a','y','O','b','j','e','c','t','C','o','n','t','a','i','n','e','r',
- 0x06, 'S','p','r','i','t','e',
-
- 0x07, // 6 namespaces
- 0x16, 0x01,
- 0x16, 0x03,
- 0x18, 0x05,
- 0x16, 0x06,
- 0x17, 0x01,
- 0x16, 0x09,
-
- 0x00, //zero namespace sets
-
- 0x0e, //13 multinames
- 0x07, 0x01, 0x02,
- 0x07, 0x02, 0x04,
- 0x07, 0x04, 0x07,
- 0x07, 0x05, 0x08,
- 0x07, 0x06, 0x0a,
- 0x07, 0x04, 0x0c,
- 0x07, 0x04, 0x0d,
- 0x07, 0x04, 0x0e,
- 0x07, 0x06, 0x0f,
- 0x07, 0x02, 0x10,
- 0x07, 0x02, 0x11,
- 0x07, 0x02, 0x12,
- 0x07, 0x02, 0x13,
-
- 0x04, // 4 methods
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
-
- 0x00, // zero metadata
-
- 0x01, // 1 class
- 0x01, 0x02, 0x08, 0x03, 0x00, 0x02,
- 0x02, // 2 traits
- 0x03, 0x00, // name, slot
- 0x00, 0x02, 0x00,
- 0x04, 0x01, // name, method,
- 0x00, 0x01,
- 0x00, // ref to method 0 (initializer)
- 0x00, // no traits
-
- 0x01, // 1 script
- 0x03, 0x01, 0x01, 0x04, 0x01, 0x00,
-
- 0x04, // 4 method bodies
- // method 1
- 0x00, 0x01, 0x01, 0x09, 0x0a,
- 0x03, 0xd0, 0x30, 0x47, // code
- 0x00, 0x00,
- // method 2
- 0x01, 0x05, 0x01, 0x0a, 0x0b,
- 0x11, 0xd0, 0x30, 0x60, 0x03, 0x5d, 0x05, 0x2c, 0x0b, 0x26, 0x26, 0x4a, 0x05, 0x03, 0x4f, 0x06, 0x01, 0x47, // code
- 0x00, 0x00,
- // method 3
- 0x02, 0x03, 0x01, 0x0a, 0x0b,
- 0x0f, 0xd0, 0x30, 0xd0, 0x49, 0x00, 0x5d, 0x07, 0x24, 0x00, 0x60, 0x04, 0x4f, 0x07, 0x02, 0x47, // code
- 0x00, 0x00,
- // method 4
- 0x03, 0x02, 0x01, 0x01, 0x09,
- 0x27, 0xd0, 0x30, 0x65, 0x00, 0x60, 0x08, 0x30, 0x60, 0x09, 0x30, 0x60, 0x0a, 0x30, 0x60, 0x0b, //code
- 0x30, 0x60, 0x0c, 0x30, 0x60, 0x0d, 0x30, 0x60, 0x02, 0x30, 0x60, 0x02, 0x58, 0x00, 0x1d, 0x1d,
- 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x68, 0x01, 0x47,
- 0x00, 0x00,
- };
-}
-
-int swf_GetU30(TAG*tag)
-{
- U32 shift = 0;
- U32 s = 0;
- while(1) {
- U8 b = swf_GetU8(tag);
- s|=(b&127)<<shift;
- shift+=7;
- if(!(b&128))
- break;
- }
- return s;
-}
-
-int swf_GetS30(TAG*tag)
-{
- U32 shift = 0;
- U32 s = 0;
- while(1) {
- U8 b = swf_GetU8(tag);
- s|=(b&127)<<shift;
- shift+=7;
- if(!(b&128)) {
- if(b&64) {
- s|=0xffffffff<<shift;
- }
- break;
- }
- }
- return s;
-}
-
-double swf_GetD64(TAG*tag)
-{
- U32 b[2];
-
- b[0] = swf_GetU32(tag);
- b[1] = swf_GetU32(tag);
-
- return 0.0;
-}
-