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Making Vector and ClassInstanceData not be a separate heap allocation in vscript

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This commit is contained in:
James Mitchell 2020-05-20 22:15:38 +10:00
parent f3dbcaf480
commit e816832994
1 changed files with 52 additions and 65 deletions
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117
sp/src/vscript/vscript_squirrel.cpp
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@ -195,14 +195,6 @@ SQUserPointer TYPETAG_VECTOR = "VectorTypeTag";
namespace SQVector
{
SQInteger Destruct(SQUserPointer p, SQInteger size)
{
Vector* v = (Vector*)p;
delete v;
return 0;
}
SQInteger Construct(HSQUIRRELVM vm)
{
// TODO: There must be a nicer way to store the data with the actual instance, there are
@ -221,9 +213,9 @@ namespace SQVector
return sq_throwerror(vm, "Expected Vector(float x, float y, float z)");
}
Vector* v = new Vector(x, y, z);
sq_setinstanceup(vm, 1, v);
sq_setreleasehook(vm, 1, &Destruct);
SQUserPointer p;
sq_getinstanceup(vm, 1, &p, 0);
new (p) Vector(x, y, z);
return 0;
}
@ -298,12 +290,11 @@ namespace SQVector
return sq_throwerror(vm, "Expected (Vector, Vector)");
}
Vector* ret = new Vector((*v1) + (*v2));
sq_getclass(vm, 1);
sq_createinstance(vm, -1);
sq_setinstanceup(vm, -1, ret);
sq_setreleasehook(vm, -1, &Destruct);
SQUserPointer p;
sq_getinstanceup(vm, -1, &p, 0);
new(p) Vector((*v1) + (*v2));
sq_remove(vm, -2);
return 1;
@ -321,12 +312,11 @@ namespace SQVector
return sq_throwerror(vm, "Expected (Vector, Vector)");
}
Vector* ret = new Vector((*v1) - (*v2));
sq_getclass(vm, 1);
sq_createinstance(vm, -1);
sq_setinstanceup(vm, -1, ret);
sq_setreleasehook(vm, -1, &Destruct);
SQUserPointer p;
sq_getinstanceup(vm, -1, &p, 0);
new(p) Vector((*v1) - (*v2));
sq_remove(vm, -2);
return 1;
@ -350,12 +340,11 @@ namespace SQVector
if ((paramType & SQOBJECT_NUMERIC) &&
SQ_SUCCEEDED(sq_getfloat(vm, 2, &s)))
{
Vector* ret = new Vector((*v1) * s);
sq_getclass(vm, 1);
sq_createinstance(vm, -1);
sq_setinstanceup(vm, -1, ret);
sq_setreleasehook(vm, -1, &Destruct);
SQUserPointer p;
sq_getinstanceup(vm, -1, &p, 0);
new(p) Vector((*v1) * s);
sq_remove(vm, -2);
return 1;
@ -363,13 +352,11 @@ namespace SQVector
else if (paramType == OT_INSTANCE &&
SQ_SUCCEEDED(sq_getinstanceup(vm, 1, (SQUserPointer*)&v2, TYPETAG_VECTOR)))
{
Vector* ret = new Vector((*v1) * (*v2));
sq_getclass(vm, 1);
sq_createinstance(vm, -1);
sq_setinstanceup(vm, -1, ret);
sq_setreleasehook(vm, -1, &Destruct);
SQUserPointer p;
sq_getinstanceup(vm, -1, &p, 0);
new(p) Vector((*v1) * (*v2));
sq_remove(vm, -2);
return 1;
@ -398,12 +385,11 @@ namespace SQVector
if ((paramType & SQOBJECT_NUMERIC) &&
SQ_SUCCEEDED(sq_getfloat(vm, 2, &s)))
{
Vector* ret = new Vector((*v1) / s);
sq_getclass(vm, 1);
sq_createinstance(vm, -1);
sq_setinstanceup(vm, -1, ret);
sq_setreleasehook(vm, -1, &Destruct);
SQUserPointer p;
sq_getinstanceup(vm, -1, &p, 0);
new(p) Vector((*v1) / s);
sq_remove(vm, -2);
return 1;
@ -411,13 +397,11 @@ namespace SQVector
else if (paramType == OT_INSTANCE &&
SQ_SUCCEEDED(sq_getinstanceup(vm, 1, (SQUserPointer*)&v2, TYPETAG_VECTOR)))
{
Vector* ret = new Vector((*v1) / (*v2));
sq_getclass(vm, 1);
sq_createinstance(vm, -1);
sq_setinstanceup(vm, -1, ret);
sq_setreleasehook(vm, -1, &Destruct);
SQUserPointer p;
sq_getinstanceup(vm, -1, &p, 0);
new(p) Vector((*v1) / (*v2));
sq_remove(vm, -2);
return 1;
@ -494,12 +478,11 @@ namespace SQVector
return sq_throwerror(vm, "Expected (Vector)");
}
Vector* ret = new Vector(v1->Normalized());
sq_getclass(vm, 1);
sq_createinstance(vm, -1);
sq_setinstanceup(vm, -1, ret);
sq_setreleasehook(vm, -1, &Destruct);
SQUserPointer p;
sq_getinstanceup(vm, -1, &p, 0);
new(p) Vector((*v1).Normalized());
sq_remove(vm, -2);
return 1;
@ -534,12 +517,11 @@ namespace SQVector
return sq_throwerror(vm, "Expected (Vector, Vector)");
}
Vector* ret = new Vector(v1->Cross(*v2));
sq_getclass(vm, 1);
sq_createinstance(vm, -1);
sq_setinstanceup(vm, -1, ret);
sq_setreleasehook(vm, -1, &Destruct);
SQUserPointer p;
sq_getinstanceup(vm, -1, &p, 0);
new(p) Vector((*v1).Cross(*v2));
sq_remove(vm, -2);
return 1;
@ -570,6 +552,7 @@ namespace SQVector
sq_pushstring(v, _SC("Vector"), -1);
sq_newclass(v, SQFalse);
sq_settypetag(v, -1, TYPETAG_VECTOR);
sq_setclassudsize(v, -1, sizeof(Vector));
SQInteger i = 0;
while (funcs[i].name != 0) {
const SQRegFunction& f = funcs[i];
@ -658,9 +641,9 @@ void PushVariant(HSQUIRRELVM vm, const ScriptVariant_t& value)
assert(pSquirrelVM);
sq_pushobject(vm, pSquirrelVM->vectorClass_);
sq_createinstance(vm, -1);
// Valve, wtf is with this wierd lifetime?
sq_setinstanceup(vm, -1, new Vector(value));
sq_setreleasehook(vm, -1, SQVector::Destruct);
SQUserPointer p;
sq_getinstanceup(vm, -1, &p, 0);
new(p) Vector(value);
sq_remove(vm, -2);
break;
}
@ -914,7 +897,7 @@ SQInteger destructor_stub(SQUserPointer p, SQInteger size)
{
auto classInstanceData = (ClassInstanceData*)p;
classInstanceData->desc->m_pfnDestruct(classInstanceData->instance);
delete classInstanceData;
classInstanceData->~ClassInstanceData();
return 0;
}
@ -922,8 +905,7 @@ SQInteger destructor_stub_instance(SQUserPointer p, SQInteger size)
{
auto classInstanceData = (ClassInstanceData*)p;
// We don't call destructor here because this is owned by the game
delete classInstanceData;
classInstanceData->~ClassInstanceData();
return 0;
}
@ -956,8 +938,11 @@ SQInteger constructor_stub(HSQUIRRELVM vm)
return sq_throwobject(vm);
}
auto classInstanceData = new ClassInstanceData(instance, pClassDesc);
sq_setinstanceup(vm, 1, classInstanceData);
{
SQUserPointer p;
sq_getinstanceup(vm, 1, &p, 0);
new(p) ClassInstanceData(instance, pClassDesc);
}
sq_setreleasehook(vm, 1, &destructor_stub);
@ -1424,6 +1409,8 @@ bool SquirrelVM::RegisterClass(ScriptClassDesc_t* pClassDesc)
sq_settypetag(vm_, -1, pClassDesc);
sq_setclassudsize(vm_, -1, sizeof(ClassInstanceData));
sq_pushstring(vm_, "constructor", -1);
sq_pushuserpointer(vm_, pClassDesc);
sq_newclosure(vm_, constructor_stub, 1);
@ -1488,12 +1475,10 @@ HSCRIPT SquirrelVM::RegisterInstance(ScriptClassDesc_t* pDesc, void* pInstance)
return nullptr;
}
ClassInstanceData* classInstanceData = new ClassInstanceData(pInstance, pDesc);
if (SQ_FAILED(sq_setinstanceup(vm_, -1, classInstanceData)))
{
delete classInstanceData;
sq_pop(vm_, 3);
SQUserPointer p;
sq_getinstanceup(vm_, -1, &p, 0);
new(p) ClassInstanceData(pInstance, pDesc);
}
sq_setreleasehook(vm_, -1, &destructor_stub_instance);
@ -1536,8 +1521,7 @@ void SquirrelVM::RemoveInstance(HSCRIPT hInstance)
SQUserPointer self;
sq_getinstanceup(vm_, -1, &self, nullptr);
auto classInstanceData = (ClassInstanceData*)self;
delete classInstanceData;
((ClassInstanceData*)self)->~ClassInstanceData();
sq_setinstanceup(vm_, -1, nullptr);
sq_setreleasehook(vm_, -1, nullptr);
@ -2439,9 +2423,9 @@ void SquirrelVM::ReadObject(CUtlBuffer* pBuffer, ReadStateMap& readState)
float x = pBuffer->GetFloat();
float y = pBuffer->GetFloat();
float z = pBuffer->GetFloat();
Vector* v = new Vector(x, y, z);
sq_setinstanceup(vm_, -1, v);
sq_setreleasehook(vm_, -1, SQVector::Destruct);
SQUserPointer p;
sq_getinstanceup(vm_, -1, &p, 0);
new(p) Vector(x, y, z);
}
else if (typetag)
{
@ -2467,8 +2451,11 @@ void SquirrelVM::ReadObject(CUtlBuffer* pBuffer, ReadStateMap& readState)
break;
}
auto classInstanceData = new ClassInstanceData(instance, pClassDesc, instanceName);
sq_setinstanceup(vm_, -1, classInstanceData);
{
SQUserPointer p;
sq_getinstanceup(vm_, -1, &p, 0);
new(p) ClassInstanceData(instance, pClassDesc, instanceName);
}
sq_setreleasehook(vm_, -1, &destructor_stub);
}
}