diff options
| 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/sqstdmath.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) | |
| download | cuberite-8285a11a26d78784f26b76e6bcdfa479f6c1a345.tar cuberite-8285a11a26d78784f26b76e6bcdfa479f6c1a345.tar.gz cuberite-8285a11a26d78784f26b76e6bcdfa479f6c1a345.tar.bz2 cuberite-8285a11a26d78784f26b76e6bcdfa479f6c1a345.tar.lz cuberite-8285a11a26d78784f26b76e6bcdfa479f6c1a345.tar.xz cuberite-8285a11a26d78784f26b76e6bcdfa479f6c1a345.tar.zst cuberite-8285a11a26d78784f26b76e6bcdfa479f6c1a345.zip | |
Diffstat (limited to 'squirrel_3_0_1_stable/sqstdlib/sqstdmath.cpp')
| -rw-r--r-- | squirrel_3_0_1_stable/sqstdlib/sqstdmath.cpp | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/squirrel_3_0_1_stable/sqstdlib/sqstdmath.cpp b/squirrel_3_0_1_stable/sqstdlib/sqstdmath.cpp new file mode 100644 index 000000000..ef50359bd --- /dev/null +++ b/squirrel_3_0_1_stable/sqstdlib/sqstdmath.cpp @@ -0,0 +1,107 @@ +/* see copyright notice in squirrel.h */
+#include <squirrel.h>
+#include <math.h>
+#include <stdlib.h>
+#include <sqstdmath.h>
+
+#define SINGLE_ARG_FUNC(_funcname) static SQInteger math_##_funcname(HSQUIRRELVM v){ \
+ SQFloat f; \
+ sq_getfloat(v,2,&f); \
+ sq_pushfloat(v,(SQFloat)_funcname(f)); \
+ return 1; \
+}
+
+#define TWO_ARGS_FUNC(_funcname) static SQInteger math_##_funcname(HSQUIRRELVM v){ \
+ SQFloat p1,p2; \
+ sq_getfloat(v,2,&p1); \
+ sq_getfloat(v,3,&p2); \
+ sq_pushfloat(v,(SQFloat)_funcname(p1,p2)); \
+ return 1; \
+}
+
+static SQInteger math_srand(HSQUIRRELVM v)
+{
+ SQInteger i;
+ if(SQ_FAILED(sq_getinteger(v,2,&i)))
+ return sq_throwerror(v,_SC("invalid param"));
+ srand((unsigned int)i);
+ return 0;
+}
+
+static SQInteger math_rand(HSQUIRRELVM v)
+{
+ sq_pushinteger(v,rand());
+ return 1;
+}
+
+static SQInteger math_abs(HSQUIRRELVM v)
+{
+ SQInteger n;
+ sq_getinteger(v,2,&n);
+ sq_pushinteger(v,(SQInteger)abs((int)n));
+ return 1;
+}
+
+SINGLE_ARG_FUNC(sqrt)
+SINGLE_ARG_FUNC(fabs)
+SINGLE_ARG_FUNC(sin)
+SINGLE_ARG_FUNC(cos)
+SINGLE_ARG_FUNC(asin)
+SINGLE_ARG_FUNC(acos)
+SINGLE_ARG_FUNC(log)
+SINGLE_ARG_FUNC(log10)
+SINGLE_ARG_FUNC(tan)
+SINGLE_ARG_FUNC(atan)
+TWO_ARGS_FUNC(atan2)
+TWO_ARGS_FUNC(pow)
+SINGLE_ARG_FUNC(floor)
+SINGLE_ARG_FUNC(ceil)
+SINGLE_ARG_FUNC(exp)
+
+#define _DECL_FUNC(name,nparams,tycheck) {_SC(#name),math_##name,nparams,tycheck}
+static SQRegFunction mathlib_funcs[] = {
+ _DECL_FUNC(sqrt,2,_SC(".n")),
+ _DECL_FUNC(sin,2,_SC(".n")),
+ _DECL_FUNC(cos,2,_SC(".n")),
+ _DECL_FUNC(asin,2,_SC(".n")),
+ _DECL_FUNC(acos,2,_SC(".n")),
+ _DECL_FUNC(log,2,_SC(".n")),
+ _DECL_FUNC(log10,2,_SC(".n")),
+ _DECL_FUNC(tan,2,_SC(".n")),
+ _DECL_FUNC(atan,2,_SC(".n")),
+ _DECL_FUNC(atan2,3,_SC(".nn")),
+ _DECL_FUNC(pow,3,_SC(".nn")),
+ _DECL_FUNC(floor,2,_SC(".n")),
+ _DECL_FUNC(ceil,2,_SC(".n")),
+ _DECL_FUNC(exp,2,_SC(".n")),
+ _DECL_FUNC(srand,2,_SC(".n")),
+ _DECL_FUNC(rand,1,NULL),
+ _DECL_FUNC(fabs,2,_SC(".n")),
+ _DECL_FUNC(abs,2,_SC(".n")),
+ {0,0},
+};
+#undef _DECL_FUNC
+
+#ifndef M_PI
+#define M_PI (3.14159265358979323846)
+#endif
+
+SQRESULT sqstd_register_mathlib(HSQUIRRELVM v)
+{
+ SQInteger i=0;
+ while(mathlib_funcs[i].name!=0) {
+ sq_pushstring(v,mathlib_funcs[i].name,-1);
+ sq_newclosure(v,mathlib_funcs[i].f,0);
+ sq_setparamscheck(v,mathlib_funcs[i].nparamscheck,mathlib_funcs[i].typemask);
+ sq_setnativeclosurename(v,-1,mathlib_funcs[i].name);
+ sq_newslot(v,-3,SQFalse);
+ i++;
+ }
+ sq_pushstring(v,_SC("RAND_MAX"),-1);
+ sq_pushinteger(v,RAND_MAX);
+ sq_newslot(v,-3,SQFalse);
+ sq_pushstring(v,_SC("PI"),-1);
+ sq_pushfloat(v,(SQFloat)M_PI);
+ sq_newslot(v,-3,SQFalse);
+ return SQ_OK;
+}
|