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| author | faketruth <faketruth@0a769ca7-a7f5-676a-18bf-c427514a06d6> | 2011-11-08 02:25:01 +0100 |
|---|---|---|
| committer | faketruth <faketruth@0a769ca7-a7f5-676a-18bf-c427514a06d6> | 2011-11-08 02:25:01 +0100 |
| commit | 8285a11a26d78784f26b76e6bcdfa479f6c1a345 (patch) | |
| tree | 6d567d22754b2d65258b1557e18ea8b590c2c709 /squirrel_3_0_1_stable/sqstdlib/sqstdblob.cpp | |
| parent | Fixed bug in cChunk.cpp not calculating RedstoneCircuits at the correct positions. Also, forgot to mention you can now place colored wool. (diff) | |
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Diffstat (limited to 'squirrel_3_0_1_stable/sqstdlib/sqstdblob.cpp')
| -rw-r--r-- | squirrel_3_0_1_stable/sqstdlib/sqstdblob.cpp | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/squirrel_3_0_1_stable/sqstdlib/sqstdblob.cpp b/squirrel_3_0_1_stable/sqstdlib/sqstdblob.cpp new file mode 100644 index 000000000..11b593306 --- /dev/null +++ b/squirrel_3_0_1_stable/sqstdlib/sqstdblob.cpp @@ -0,0 +1,275 @@ +/* see copyright notice in squirrel.h */
+#include <new>
+#include <squirrel.h>
+#include <sqstdio.h>
+#include <string.h>
+#include <sqstdblob.h>
+#include "sqstdstream.h"
+#include "sqstdblobimpl.h"
+
+#define SQSTD_BLOB_TYPE_TAG (SQSTD_STREAM_TYPE_TAG | 0x00000002)
+
+//Blob
+
+
+#define SETUP_BLOB(v) \
+ SQBlob *self = NULL; \
+ { if(SQ_FAILED(sq_getinstanceup(v,1,(SQUserPointer*)&self,(SQUserPointer)SQSTD_BLOB_TYPE_TAG))) \
+ return SQ_ERROR; }
+
+
+static SQInteger _blob_resize(HSQUIRRELVM v)
+{
+ SETUP_BLOB(v);
+ SQInteger size;
+ sq_getinteger(v,2,&size);
+ if(!self->Resize(size))
+ return sq_throwerror(v,_SC("resize failed"));
+ return 0;
+}
+
+static void __swap_dword(unsigned int *n)
+{
+ *n=(unsigned int)(((*n&0xFF000000)>>24) |
+ ((*n&0x00FF0000)>>8) |
+ ((*n&0x0000FF00)<<8) |
+ ((*n&0x000000FF)<<24));
+}
+
+static void __swap_word(unsigned short *n)
+{
+ *n=(unsigned short)((*n>>8)&0x00FF)| ((*n<<8)&0xFF00);
+}
+
+static SQInteger _blob_swap4(HSQUIRRELVM v)
+{
+ SETUP_BLOB(v);
+ SQInteger num=(self->Len()-(self->Len()%4))>>2;
+ unsigned int *t=(unsigned int *)self->GetBuf();
+ for(SQInteger i = 0; i < num; i++) {
+ __swap_dword(&t[i]);
+ }
+ return 0;
+}
+
+static SQInteger _blob_swap2(HSQUIRRELVM v)
+{
+ SETUP_BLOB(v);
+ SQInteger num=(self->Len()-(self->Len()%2))>>1;
+ unsigned short *t = (unsigned short *)self->GetBuf();
+ for(SQInteger i = 0; i < num; i++) {
+ __swap_word(&t[i]);
+ }
+ return 0;
+}
+
+static SQInteger _blob__set(HSQUIRRELVM v)
+{
+ SETUP_BLOB(v);
+ SQInteger idx,val;
+ sq_getinteger(v,2,&idx);
+ sq_getinteger(v,3,&val);
+ if(idx < 0 || idx >= self->Len())
+ return sq_throwerror(v,_SC("index out of range"));
+ ((unsigned char *)self->GetBuf())[idx] = (unsigned char) val;
+ sq_push(v,3);
+ return 1;
+}
+
+static SQInteger _blob__get(HSQUIRRELVM v)
+{
+ SETUP_BLOB(v);
+ SQInteger idx;
+ sq_getinteger(v,2,&idx);
+ if(idx < 0 || idx >= self->Len())
+ return sq_throwerror(v,_SC("index out of range"));
+ sq_pushinteger(v,((unsigned char *)self->GetBuf())[idx]);
+ return 1;
+}
+
+static SQInteger _blob__nexti(HSQUIRRELVM v)
+{
+ SETUP_BLOB(v);
+ if(sq_gettype(v,2) == OT_NULL) {
+ sq_pushinteger(v, 0);
+ return 1;
+ }
+ SQInteger idx;
+ if(SQ_SUCCEEDED(sq_getinteger(v, 2, &idx))) {
+ if(idx+1 < self->Len()) {
+ sq_pushinteger(v, idx+1);
+ return 1;
+ }
+ sq_pushnull(v);
+ return 1;
+ }
+ return sq_throwerror(v,_SC("internal error (_nexti) wrong argument type"));
+}
+
+static SQInteger _blob__typeof(HSQUIRRELVM v)
+{
+ sq_pushstring(v,_SC("blob"),-1);
+ return 1;
+}
+
+static SQInteger _blob_releasehook(SQUserPointer p, SQInteger size)
+{
+ SQBlob *self = (SQBlob*)p;
+ self->~SQBlob();
+ sq_free(self,sizeof(SQBlob));
+ return 1;
+}
+
+static SQInteger _blob_constructor(HSQUIRRELVM v)
+{
+ SQInteger nparam = sq_gettop(v);
+ SQInteger size = 0;
+ if(nparam == 2) {
+ sq_getinteger(v, 2, &size);
+ }
+ if(size < 0) return sq_throwerror(v, _SC("cannot create blob with negative size"));
+ //SQBlob *b = new SQBlob(size);
+
+ SQBlob *b = new (sq_malloc(sizeof(SQBlob)))SQBlob(size);
+ if(SQ_FAILED(sq_setinstanceup(v,1,b))) {
+ b->~SQBlob();
+ sq_free(b,sizeof(SQBlob));
+ return sq_throwerror(v, _SC("cannot create blob"));
+ }
+ sq_setreleasehook(v,1,_blob_releasehook);
+ return 0;
+}
+
+static SQInteger _blob__cloned(HSQUIRRELVM v)
+{
+ SQBlob *other = NULL;
+ {
+ if(SQ_FAILED(sq_getinstanceup(v,2,(SQUserPointer*)&other,(SQUserPointer)SQSTD_BLOB_TYPE_TAG)))
+ return SQ_ERROR;
+ }
+ //SQBlob *thisone = new SQBlob(other->Len());
+ SQBlob *thisone = new (sq_malloc(sizeof(SQBlob)))SQBlob(other->Len());
+ memcpy(thisone->GetBuf(),other->GetBuf(),thisone->Len());
+ if(SQ_FAILED(sq_setinstanceup(v,1,thisone))) {
+ thisone->~SQBlob();
+ sq_free(thisone,sizeof(SQBlob));
+ return sq_throwerror(v, _SC("cannot clone blob"));
+ }
+ sq_setreleasehook(v,1,_blob_releasehook);
+ return 0;
+}
+
+#define _DECL_BLOB_FUNC(name,nparams,typecheck) {_SC(#name),_blob_##name,nparams,typecheck}
+static SQRegFunction _blob_methods[] = {
+ _DECL_BLOB_FUNC(constructor,-1,_SC("xn")),
+ _DECL_BLOB_FUNC(resize,2,_SC("xn")),
+ _DECL_BLOB_FUNC(swap2,1,_SC("x")),
+ _DECL_BLOB_FUNC(swap4,1,_SC("x")),
+ _DECL_BLOB_FUNC(_set,3,_SC("xnn")),
+ _DECL_BLOB_FUNC(_get,2,_SC("xn")),
+ _DECL_BLOB_FUNC(_typeof,1,_SC("x")),
+ _DECL_BLOB_FUNC(_nexti,2,_SC("x")),
+ _DECL_BLOB_FUNC(_cloned,2,_SC("xx")),
+ {0,0,0,0}
+};
+
+
+
+//GLOBAL FUNCTIONS
+
+static SQInteger _g_blob_casti2f(HSQUIRRELVM v)
+{
+ SQInteger i;
+ sq_getinteger(v,2,&i);
+ sq_pushfloat(v,*((SQFloat *)&i));
+ return 1;
+}
+
+static SQInteger _g_blob_castf2i(HSQUIRRELVM v)
+{
+ SQFloat f;
+ sq_getfloat(v,2,&f);
+ sq_pushinteger(v,*((SQInteger *)&f));
+ return 1;
+}
+
+static SQInteger _g_blob_swap2(HSQUIRRELVM v)
+{
+ SQInteger i;
+ sq_getinteger(v,2,&i);
+ short s=(short)i;
+ sq_pushinteger(v,(s<<8)|((s>>8)&0x00FF));
+ return 1;
+}
+
+static SQInteger _g_blob_swap4(HSQUIRRELVM v)
+{
+ SQInteger i;
+ sq_getinteger(v,2,&i);
+ unsigned int t4 = (unsigned int)i;
+ __swap_dword(&t4);
+ sq_pushinteger(v,(SQInteger)t4);
+ return 1;
+}
+
+static SQInteger _g_blob_swapfloat(HSQUIRRELVM v)
+{
+ SQFloat f;
+ sq_getfloat(v,2,&f);
+ __swap_dword((unsigned int *)&f);
+ sq_pushfloat(v,f);
+ return 1;
+}
+
+#define _DECL_GLOBALBLOB_FUNC(name,nparams,typecheck) {_SC(#name),_g_blob_##name,nparams,typecheck}
+static SQRegFunction bloblib_funcs[]={
+ _DECL_GLOBALBLOB_FUNC(casti2f,2,_SC(".n")),
+ _DECL_GLOBALBLOB_FUNC(castf2i,2,_SC(".n")),
+ _DECL_GLOBALBLOB_FUNC(swap2,2,_SC(".n")),
+ _DECL_GLOBALBLOB_FUNC(swap4,2,_SC(".n")),
+ _DECL_GLOBALBLOB_FUNC(swapfloat,2,_SC(".n")),
+ {0,0}
+};
+
+SQRESULT sqstd_getblob(HSQUIRRELVM v,SQInteger idx,SQUserPointer *ptr)
+{
+ SQBlob *blob;
+ if(SQ_FAILED(sq_getinstanceup(v,idx,(SQUserPointer *)&blob,(SQUserPointer)SQSTD_BLOB_TYPE_TAG)))
+ return -1;
+ *ptr = blob->GetBuf();
+ return SQ_OK;
+}
+
+SQInteger sqstd_getblobsize(HSQUIRRELVM v,SQInteger idx)
+{
+ SQBlob *blob;
+ if(SQ_FAILED(sq_getinstanceup(v,idx,(SQUserPointer *)&blob,(SQUserPointer)SQSTD_BLOB_TYPE_TAG)))
+ return -1;
+ return blob->Len();
+}
+
+SQUserPointer sqstd_createblob(HSQUIRRELVM v, SQInteger size)
+{
+ SQInteger top = sq_gettop(v);
+ sq_pushregistrytable(v);
+ sq_pushstring(v,_SC("std_blob"),-1);
+ if(SQ_SUCCEEDED(sq_get(v,-2))) {
+ sq_remove(v,-2); //removes the registry
+ sq_push(v,1); // push the this
+ sq_pushinteger(v,size); //size
+ SQBlob *blob = NULL;
+ if(SQ_SUCCEEDED(sq_call(v,2,SQTrue,SQFalse))
+ && SQ_SUCCEEDED(sq_getinstanceup(v,-1,(SQUserPointer *)&blob,(SQUserPointer)SQSTD_BLOB_TYPE_TAG))) {
+ sq_remove(v,-2);
+ return blob->GetBuf();
+ }
+ }
+ sq_settop(v,top);
+ return NULL;
+}
+
+SQRESULT sqstd_register_bloblib(HSQUIRRELVM v)
+{
+ return declare_stream(v,_SC("blob"),(SQUserPointer)SQSTD_BLOB_TYPE_TAG,_SC("std_blob"),_blob_methods,bloblib_funcs);
+}
+
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