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forked from 0ad/0ad
0ad/source/scripting/ScriptCustomTypes.cpp
Ykkrosh fba692c8b5 # Fixed some warnings and potentially misleading code
* Removed ToJSVal<jsval> because it's treated as ToJSVal<long> and
causes minor confusion and/or compiler errors.
   Changed script interface functions to return either C++ types or a
jsval_t wrapper.
 * Replaced some C casts with static_cast to avoid significant confusion
and to cause compiler errors instead.
 * Removed some redundant argument-checking code. Simplified some
string-generating code.
 * Fixed some "dereferencing type-punned pointer will break
strict-aliasing rules" warnings (from `g++ -O3`).

This was SVN commit r5115.
2007-05-29 19:01:21 +00:00

95 lines
2.2 KiB
C++

#include "precompiled.h"
#include "ScriptingHost.h"
#include "ScriptCustomTypes.h"
// POINT2D
JSClass Point2dClass =
{
"Point2d", 0,
JS_PropertyStub, JS_PropertyStub,
JS_PropertyStub, JS_PropertyStub,
JS_EnumerateStub, JS_ResolveStub,
JS_ConvertStub, JS_FinalizeStub
};
JSPropertySpec Point2dProperties[] =
{
{"x", 0, JSPROP_ENUMERATE},
{"y", 1, JSPROP_ENUMERATE},
{0}
};
JSBool Point2d_Constructor(JSContext* UNUSED(cx), JSObject* obj, uintN argc, jsval* argv, jsval* UNUSED(rval))
{
if (argc == 2)
{
g_ScriptingHost.SetObjectProperty(obj, "x", argv[0]);
g_ScriptingHost.SetObjectProperty(obj, "y", argv[1]);
}
else
{
jsval zero = INT_TO_JSVAL(0);
g_ScriptingHost.SetObjectProperty(obj, "x", zero);
g_ScriptingHost.SetObjectProperty(obj, "y", zero);
}
return JS_TRUE;
}
// Colour
void SColour::SColourInit( float _r, float _g, float _b, float _a )
{
r = _r; g = _g; b = _b; a = _a;
}
void SColour::ScriptingInit()
{
AddMethod<CStr, &SColour::ToString>( "toString", 0 );
AddProperty<float>( L"r", (float IJSObject::*)&SColour::r );
AddProperty<float>( L"g", (float IJSObject::*)&SColour::g );
AddProperty<float>( L"b", (float IJSObject::*)&SColour::b );
AddProperty<float>( L"a", (float IJSObject::*)&SColour::a );
CJSObject<SColour>::ScriptingInit( "Colour", SColour::Construct, 3 );
}
CStr SColour::ToString( JSContext* UNUSED(cx), uintN UNUSED(argc), jsval* UNUSED(argv) )
{
return "[object Colour: ( " + CStr(r) + ", " + CStr(g) + ", " + CStr(b) + ", " + CStr(a) + " )]";
}
JSBool SColour::Construct( JSContext* UNUSED(cx), JSObject* UNUSED(obj), uint argc, jsval* argv, jsval* rval )
{
debug_assert( argc >= 3 );
float alpha = 1.0;
if( argc >= 4 ) alpha = ToPrimitive<float>( argv[3] );
SColour* col = new SColour( ToPrimitive<float>( argv[0] ),
ToPrimitive<float>( argv[1] ),
ToPrimitive<float>( argv[2] ),
alpha );
col->m_EngineOwned = false;
*rval = OBJECT_TO_JSVAL( col->GetScript() );
return( JS_TRUE );
}
// (Simon) Added this to prevent a deep copy, which evidently makes direct
// copies of the heap allocated objects within CJSObject, which eventually
// goes boom
SColour &SColour::operator = (const SColour &o)
{
r=o.r;
g=o.g;
b=o.b;
a=o.a;
return *this;
}