EntityComponentMetaSystem/src/test/ECTest.cpp

1399 lines
36 KiB
C++

#include <gtest/gtest.h>
#include <iostream>
#include <tuple>
#include <memory>
#include <unordered_map>
#include <mutex>
#include <vector>
#include <EC/Meta/Meta.hpp>
#include <EC/EC.hpp>
struct C0 {
C0(int x = 0, int y = 0) :
x(x),
y(y)
{}
int x, y;
};
struct C1 {
int vx, vy;
};
struct C2 {};
struct C3 {};
struct T0 {};
struct T1 {};
using ListComponentsAll = EC::Meta::TypeList<C0, C1, C2, C3>;
using ListComponentsSome = EC::Meta::TypeList<C1, C3>;
using ListTagsAll = EC::Meta::TypeList<T0, T1>;
using ListAll = EC::Meta::TypeList<C0, C1, C2, C3, T0, T1>;
using EmptyList = EC::Meta::TypeList<>;
using MixedList = EC::Meta::TypeList<C2, T1>;
using ListCombinedComponentsTags = EC::Meta::Combine<ListComponentsAll, ListTagsAll>;
typedef std::unique_ptr<C0> C0Ptr;
struct Base
{
virtual int getInt()
{
return 0;
}
};
struct Derived : public Base
{
virtual int getInt() override
{
return 1;
}
};
typedef std::unique_ptr<Base> TestPtr;
struct Context
{
int a, b;
};
void assignContextToC0(std::size_t /* id */, void* context, C0* c)
{
Context* contextPtr = (Context*) context;
c->x = contextPtr->a;
c->y = contextPtr->b;
}
void assignC0ToContext(std::size_t /* id */, void* context, C0* c)
{
Context* contextPtr = (Context*) context;
contextPtr->a = c->x;
contextPtr->b = c->y;
}
void setC0ToOneAndTwo(std::size_t /* id */, void* /* context */, C0* c)
{
c->x = 1;
c->y = 2;
}
void setContextToThreeAndFour(std::size_t /* id */, void* context, C0* /* c */)
{
Context* contextPtr = (Context*) context;
contextPtr->a = 3;
contextPtr->b = 4;
}
TEST(EC, Bitset)
{
{
EC::Bitset<ListComponentsAll, EmptyList> bitset;
bitset[1] = true;
bitset[3] = true;
auto genBitset = EC::Bitset<ListComponentsAll, EmptyList>::generateBitset<ListComponentsSome>();
EXPECT_EQ(bitset, genBitset);
}
{
EC::Bitset<ListAll, EmptyList> bitset;
bitset[2] = true;
bitset[5] = true;
auto genBitset = EC::Bitset<ListAll, EmptyList>::generateBitset<MixedList>();
EXPECT_EQ(bitset, genBitset);
}
}
TEST(EC, Manager)
{
EC::Manager<ListComponentsAll, ListTagsAll> manager;
std::size_t e0 = manager.addEntity();
std::size_t e1 = manager.addEntity();
manager.addComponent<C0>(e0, 5, 5);
manager.addComponent<C1>(e0);
manager.addComponent<C0>(e1);
manager.addComponent<C1>(e1);
manager.addTag<T0>(e1);
{
auto* vel = manager.getEntityData<C1>(e0);
vel->vx = 1;
vel->vy = 1;
}
auto posUpdate = []
(std::size_t /* id */, void* /* context */, C0* pos, C1* vel)
{
pos->x += vel->vx;
pos->y += vel->vy;
};
auto updateTag = []
(std::size_t /* id */, void* /* context */, C0* pos, C1* vel)
{
pos->x = pos->y = vel->vx = vel->vy = 0;
};
manager.forMatchingSignature<EC::Meta::TypeList<C0, C1> >(posUpdate);
manager.forMatchingSignature<EC::Meta::TypeList<C0, C1> >(posUpdate);
manager.forMatchingSignature<EC::Meta::TypeList<C0, C1, T0> >(updateTag);
{
auto* pos = manager.getEntityData<C0>(e0);
EXPECT_EQ(pos->x, 7);
EXPECT_EQ(pos->y, 7);
}
{
bool has = manager.hasComponent<C0>(e1);
EXPECT_TRUE(has);
has = manager.hasTag<T0>(e1);
EXPECT_TRUE(has);
}
manager.deleteEntity(e0);
std::size_t e2 = manager.addEntity();
manager.addTag<T0>(e2);
std::size_t count = 0;
auto updateTagOnly = [&count] (std::size_t /* id */, void* /* context */) {
std::cout << "UpdateTagOnly was run." << std::endl;
++count;
};
manager.forMatchingSignature<EC::Meta::TypeList<T0> >(updateTagOnly);
EXPECT_EQ(2, count);
manager.deleteEntity(e1);
manager.deleteEntity(e2);
}
TEST(EC, MoveComponentWithUniquePtr)
{
{
EC::Manager<EC::Meta::TypeList<C0Ptr>, EC::Meta::TypeList<> > manager;
std::size_t e = manager.addEntity();
{
C0Ptr ptr = std::make_unique<C0>(5, 10);
manager.addComponent<C0Ptr>(e, std::move(ptr));
}
int x = 0;
int y = 0;
manager.forMatchingSignature<EC::Meta::TypeList<C0Ptr> >([&x, &y]
(std::size_t /* id */, void* /* context */, C0Ptr* ptr) {
x = (*ptr)->x;
y = (*ptr)->y;
});
EXPECT_EQ(5, x);
EXPECT_EQ(10, y);
}
{
EC::Manager<EC::Meta::TypeList<TestPtr>, EC::Meta::TypeList<> > manager;
std::size_t e = manager.addEntity();
{
TestPtr ptrBase = std::make_unique<Base>();
manager.addComponent<TestPtr>(e, std::move(ptrBase));
}
int result = 0;
auto getResultFunction = [&result]
(std::size_t /* id */, void* /* context */, TestPtr* ptr)
{
result = (*ptr)->getInt();
};
manager.forMatchingSignature<EC::Meta::TypeList<TestPtr> >(getResultFunction);
EXPECT_EQ(0, result);
{
TestPtr ptrDerived = std::make_unique<Derived>();
manager.addComponent<TestPtr>(e, std::move(ptrDerived));
}
manager.forMatchingSignature<EC::Meta::TypeList<TestPtr> >(getResultFunction);
EXPECT_EQ(1, result);
}
}
TEST(EC, DeletedEntities)
{
EC::Manager<ListComponentsAll, ListTagsAll> manager;
for(unsigned int i = 0; i < 4; ++i)
{
auto eid = manager.addEntity();
manager.addComponent<C0>(eid);
}
manager.deleteEntity(2);
manager.deleteEntity(3);
for(unsigned int i = 0; i < 4; ++i)
{
if(i < 2)
{
EXPECT_TRUE(manager.hasComponent<C0>(i));
}
else
{
EXPECT_FALSE(manager.hasComponent<C0>(i));
}
}
for(unsigned int i = 0; i < 2; ++i)
{
auto eid = manager.addEntity();
EXPECT_FALSE(manager.hasComponent<C0>(eid));
}
}
TEST(EC, FunctionStorage)
{
EC::Manager<ListComponentsAll, ListTagsAll> manager;
auto eid = manager.addEntity();
manager.addComponent<C0>(eid, 0, 1);
manager.addComponent<C1>(eid);
manager.addComponent<C2>(eid);
manager.addComponent<C3>(eid);
auto f0index = manager.addForMatchingFunction<EC::Meta::TypeList<C0>>(
[] (std::size_t /* id */, void* /* context */, C0* c0) {
++c0->x;
++c0->y;
});
auto f1index = manager.addForMatchingFunction<EC::Meta::TypeList<C0, C1>>(
[] (std::size_t /* id */, void* /* context */, C0* c0, C1* c1) {
c1->vx = c0->x + 10;
c1->vy = c1->vy + c1->vx + c0->y + 10;
});
auto f2index = manager.addForMatchingFunction<EC::Meta::TypeList<C0>>(
[] (std::size_t /* id */, void* /* context */, C0* c0) {
c0->x = c0->y = 9999;
});
auto f3index = manager.addForMatchingFunction<EC::Meta::TypeList<C1>>(
[] (std::size_t /* id */, void* /* context */, C1* c1) {
c1->vx = c1->vy = 10000;
});
EXPECT_EQ(2, manager.removeSomeMatchingFunctions({f2index, f3index}));
auto f4index = manager.addForMatchingFunction<EC::Meta::TypeList<C0>>(
[] (std::size_t /* id */, void* /* context */, C0* c0) {
c0->x = 999;
c0->y = 888;
});
{
auto set = std::set<std::size_t>({f4index});
EXPECT_EQ(1, manager.removeSomeMatchingFunctions(set));
}
auto f5index = manager.addForMatchingFunction<EC::Meta::TypeList<C0>>(
[] (std::size_t /* id */, void* /* context */, C0* c0) {
c0->x = 777;
c0->y = 666;
});
auto lastIndex = f5index;
{
auto set = std::unordered_set<std::size_t>({f5index});
EXPECT_EQ(1, manager.removeSomeMatchingFunctions(set));
}
manager.callForMatchingFunctions();
{
auto* c0 = manager.getEntityData<C0>(eid);
EXPECT_EQ(1, c0->x);
EXPECT_EQ(2, c0->y);
auto* c1 = manager.getEntityData<C1>(eid);
EXPECT_EQ(11, c1->vx);
EXPECT_EQ(23, c1->vy);
}
EXPECT_TRUE(manager.callForMatchingFunction(f0index));
EXPECT_FALSE(manager.callForMatchingFunction(lastIndex + 1));
{
auto* c0 = manager.getEntityData<C0>(eid);
EXPECT_EQ(2, c0->x);
EXPECT_EQ(3, c0->y);
c0->x = 1;
c0->y = 2;
auto* c1 = manager.getEntityData<C1>(eid);
EXPECT_EQ(11, c1->vx);
EXPECT_EQ(23, c1->vy);
}
EXPECT_EQ(1, manager.keepSomeMatchingFunctions({f1index}));
{
std::vector<std::size_t> indices{f1index};
EXPECT_EQ(0, manager.keepSomeMatchingFunctions(indices));
}
{
std::set<std::size_t> indices{f1index};
EXPECT_EQ(0, manager.keepSomeMatchingFunctions(indices));
}
{
std::unordered_set<std::size_t> indices{f1index};
EXPECT_EQ(0, manager.keepSomeMatchingFunctions(indices));
}
manager.callForMatchingFunctions();
{
auto* c0 = manager.getEntityData<C0>(eid);
EXPECT_EQ(1, c0->x);
EXPECT_EQ(2, c0->y);
auto* c1 = manager.getEntityData<C1>(eid);
EXPECT_EQ(11, c1->vx);
EXPECT_EQ(46, c1->vy);
}
EXPECT_TRUE(manager.removeForMatchingFunction(f1index));
EXPECT_FALSE(manager.removeForMatchingFunction(f1index));
manager.callForMatchingFunctions();
{
auto* c0 = manager.getEntityData<C0>(eid);
EXPECT_EQ(1, c0->x);
EXPECT_EQ(2, c0->y);
auto* c1 = manager.getEntityData<C1>(eid);
EXPECT_EQ(11, c1->vx);
EXPECT_EQ(46, c1->vy);
}
manager.clearForMatchingFunctions();
manager.callForMatchingFunctions();
{
auto* c0 = manager.getEntityData<C0>(eid);
EXPECT_EQ(1, c0->x);
EXPECT_EQ(2, c0->y);
auto* c1 = manager.getEntityData<C1>(eid);
EXPECT_EQ(11, c1->vx);
EXPECT_EQ(46, c1->vy);
}
}
TEST(EC, DeletedEntityID)
{
EC::Manager<ListComponentsAll, ListTagsAll> manager;
auto e0 = manager.addEntity();
auto e1 = manager.addEntity();
auto e2 = manager.addEntity();
auto e3 = manager.addEntity();
manager.deleteEntity(e0);
manager.deleteEntity(e1);
EXPECT_FALSE(manager.isAlive(e0));
EXPECT_FALSE(manager.isAlive(e1));
EXPECT_TRUE(manager.isAlive(e2));
EXPECT_TRUE(manager.isAlive(e3));
}
TEST(EC, MultiThreaded)
{
EC::Manager<ListComponentsAll, ListTagsAll> manager;
for(unsigned int i = 0; i < 17; ++i)
{
manager.addEntity();
manager.addComponent<C0>(i, 0, 0);
EXPECT_EQ(0, manager.getEntityData<C0>(i)->x);
EXPECT_EQ(0, manager.getEntityData<C0>(i)->y);
}
manager.forMatchingSignature<EC::Meta::TypeList<C0> >(
[] (const std::size_t& /* id */, void* /* context */, C0* c) {
c->x = 1;
c->y = 2;
},
nullptr,
true
);
for(unsigned int i = 0; i < 17; ++i)
{
EXPECT_EQ(1, manager.getEntityData<C0>(i)->x);
EXPECT_EQ(2, manager.getEntityData<C0>(i)->y);
}
for(unsigned int i = 3; i < 17; ++i)
{
manager.deleteEntity(i);
}
for(unsigned int i = 0; i < 3; ++i)
{
EXPECT_EQ(1, manager.getEntityData<C0>(i)->x);
EXPECT_EQ(2, manager.getEntityData<C0>(i)->y);
}
manager.forMatchingSignature<EC::Meta::TypeList<C0> >(
[] (const std::size_t& /* id */, void* /* context */, C0* c) {
c->x = 3;
c->y = 4;
},
nullptr,
true
);
for(unsigned int i = 0; i < 3; ++i)
{
EXPECT_EQ(3, manager.getEntityData<C0>(i)->x);
EXPECT_EQ(4, manager.getEntityData<C0>(i)->y);
}
manager.reset();
for(unsigned int i = 0; i < 17; ++i)
{
manager.addEntity();
manager.addComponent<C0>(i, 0, 0);
EXPECT_EQ(0, manager.getEntityData<C0>(i)->x);
EXPECT_EQ(0, manager.getEntityData<C0>(i)->y);
}
auto f0 = manager.addForMatchingFunction<EC::Meta::TypeList<C0> >(
[] (const std::size_t& /* id */, void* /* context */, C0* c) {
c->x = 1;
c->y = 2;
}
);
manager.callForMatchingFunctions(true);
for(unsigned int i = 0; i < 17; ++i)
{
EXPECT_EQ(1, manager.getEntityData<C0>(i)->x);
EXPECT_EQ(2, manager.getEntityData<C0>(i)->y);
}
auto f1 = manager.addForMatchingFunction<EC::Meta::TypeList<C0> >(
[] (const std::size_t& /* id */, void* /* context */, C0* c) {
c->x = 3;
c->y = 4;
}
);
manager.callForMatchingFunction(f1, true);
for(unsigned int i = 0; i < 17; ++i)
{
EXPECT_EQ(3, manager.getEntityData<C0>(i)->x);
EXPECT_EQ(4, manager.getEntityData<C0>(i)->y);
}
for(unsigned int i = 4; i < 17; ++i)
{
manager.deleteEntity(i);
}
manager.callForMatchingFunction(f0, true);
for(unsigned int i = 0; i < 4; ++i)
{
EXPECT_EQ(1, manager.getEntityData<C0>(i)->x);
EXPECT_EQ(2, manager.getEntityData<C0>(i)->y);
}
manager.callForMatchingFunction(f1, 8);
for(unsigned int i = 0; i < 4; ++i)
{
EXPECT_EQ(3, manager.getEntityData<C0>(i)->x);
EXPECT_EQ(4, manager.getEntityData<C0>(i)->y);
}
}
TEST(EC, ForMatchingSignatures)
{
EC::Manager<ListComponentsAll, ListTagsAll> manager;
std::size_t e[] = {
manager.addEntity(),
manager.addEntity(),
manager.addEntity(),
manager.addEntity(),
manager.addEntity(),
manager.addEntity(),
manager.addEntity()
};
auto& first = e[0];
auto& last = e[6];
for(auto id : e)
{
if(id != first && id != last)
{
manager.addComponent<C0>(id);
manager.addComponent<C1>(id);
manager.addTag<T0>(id);
auto* c1 = manager.getEntityData<C1>(id);
c1->vx = 0;
c1->vy = 0;
}
else
{
manager.addComponent<C0>(id);
}
}
using namespace EC::Meta;
manager.forMatchingSignatures<
TypeList<TypeList<C0>, TypeList<C0, C1> >
>(
std::make_tuple(
[] (std::size_t /* id */, void* /* context */, C0* c) {
EXPECT_EQ(c->x, 0);
EXPECT_EQ(c->y, 0);
c->x = 1;
c->y = 1;
},
[] (std::size_t /* id */, void* /* context */, C0* c0, C1* c1) {
EXPECT_EQ(c0->x, 1);
EXPECT_EQ(c0->y, 1);
EXPECT_EQ(c1->vx, 0);
EXPECT_EQ(c1->vy, 0);
c1->vx = c0->x;
c1->vy = c0->y;
c0->x = 2;
c0->y = 2;
})
);
for(auto id : e)
{
if(id != first && id != last)
{
EXPECT_EQ(2, manager.getEntityData<C0>(id)->x);
EXPECT_EQ(2, manager.getEntityData<C0>(id)->y);
EXPECT_EQ(1, manager.getEntityData<C1>(id)->vx);
EXPECT_EQ(1, manager.getEntityData<C1>(id)->vy);
}
else
{
EXPECT_EQ(1, manager.getEntityData<C0>(id)->x);
EXPECT_EQ(1, manager.getEntityData<C0>(id)->y);
}
}
{
std::unordered_map<std::size_t,int> cx;
std::unordered_map<std::size_t,int> cy;
std::unordered_map<std::size_t,int> c0x;
std::unordered_map<std::size_t,int> c0y;
std::unordered_map<std::size_t,int> c1vx;
std::unordered_map<std::size_t,int> c1vy;
std::mutex cxM;
std::mutex cyM;
std::mutex c0xM;
std::mutex c0yM;
std::mutex c1vxM;
std::mutex c1vyM;
manager.forMatchingSignatures<
TypeList<TypeList<C0>, TypeList<C0, C1> >
>
(
std::make_tuple(
[&first, &last, &cx, &cy, &cxM, &cyM]
(std::size_t eid, void* /* context */, C0* c) {
if(eid != first && eid != last)
{
{
std::lock_guard<std::mutex> guard(cxM);
cx.insert(std::make_pair(eid, c->x));
}
{
std::lock_guard<std::mutex> guard(cyM);
cy.insert(std::make_pair(eid, c->y));
}
c->x = 5;
c->y = 7;
}
else
{
{
std::lock_guard<std::mutex> guard(cxM);
cx.insert(std::make_pair(eid, c->x));
}
{
std::lock_guard<std::mutex> guard(cyM);
cy.insert(std::make_pair(eid, c->y));
}
c->x = 11;
c->y = 13;
}
},
[&c0x, &c0y, &c1vx, &c1vy, &c0xM, &c0yM, &c1vxM, &c1vyM]
(std::size_t eid, void* /* context */, C0* c0, C1* c1) {
{
std::lock_guard<std::mutex> guard(c0xM);
c0x.insert(std::make_pair(eid, c0->x));
}
{
std::lock_guard<std::mutex> guard(c0yM);
c0y.insert(std::make_pair(eid, c0->y));
}
{
std::lock_guard<std::mutex> guard(c1vxM);
c1vx.insert(std::make_pair(eid, c1->vx));
}
{
std::lock_guard<std::mutex> guard(c1vyM);
c1vy.insert(std::make_pair(eid, c1->vy));
}
c1->vx += c0->x;
c1->vy += c0->y;
c0->x = 1;
c0->y = 2;
}),
nullptr,
true
);
for(auto iter = cx.begin(); iter != cx.end(); ++iter)
{
if(iter->first != first && iter->first != last)
{
EXPECT_EQ(2, iter->second);
}
else
{
EXPECT_EQ(1, iter->second);
}
}
for(auto iter = cy.begin(); iter != cy.end(); ++iter)
{
if(iter->first != first && iter->first != last)
{
EXPECT_EQ(2, iter->second);
}
else
{
EXPECT_EQ(1, iter->second);
}
}
for(auto iter = c0x.begin(); iter != c0x.end(); ++iter)
{
EXPECT_EQ(5, iter->second);
}
for(auto iter = c0y.begin(); iter != c0y.end(); ++iter)
{
EXPECT_EQ(7, iter->second);
}
for(auto iter = c1vx.begin(); iter != c1vx.end(); ++iter)
{
EXPECT_EQ(1, iter->second);
}
for(auto iter = c1vy.begin(); iter != c1vy.end(); ++iter)
{
EXPECT_EQ(1, iter->second);
}
}
for(auto eid : e)
{
if(eid != first && eid != last)
{
EXPECT_EQ(1, manager.getEntityData<C0>(eid)->x);
EXPECT_EQ(2, manager.getEntityData<C0>(eid)->y);
EXPECT_EQ(6, manager.getEntityData<C1>(eid)->vx);
EXPECT_EQ(8, manager.getEntityData<C1>(eid)->vy);
}
else
{
EXPECT_EQ(11, manager.getEntityData<C0>(eid)->x);
EXPECT_EQ(13, manager.getEntityData<C0>(eid)->y);
}
}
// test duplicate signatures
manager.forMatchingSignatures<TypeList<
TypeList<C0, C1>,
TypeList<C0, C1> > >(
std::make_tuple(
[] (std::size_t /* id */, void* /* context */, C0* c0, C1* c1) {
c0->x = 9999;
c0->y = 9999;
c1->vx = 9999;
c1->vy = 9999;
},
[] (std::size_t /* id */, void* /* context */, C0* c0, C1* c1) {
c0->x = 10000;
c0->y = 10000;
c1->vx = 10000;
c1->vy = 10000;
}
));
for(auto id : e)
{
if(id != first && id != last)
{
EXPECT_EQ(10000, manager.getEntityData<C0>(id)->x);
EXPECT_EQ(10000, manager.getEntityData<C0>(id)->y);
EXPECT_EQ(10000, manager.getEntityData<C1>(id)->vx);
EXPECT_EQ(10000, manager.getEntityData<C1>(id)->vy);
}
};
}
TEST(EC, forMatchingPtrs)
{
EC::Manager<ListComponentsAll, ListTagsAll> manager;
std::size_t e[] = {
manager.addEntity(),
manager.addEntity(),
manager.addEntity(),
manager.addEntity(),
manager.addEntity(),
manager.addEntity(),
manager.addEntity()
};
auto& first = e[0];
auto& last = e[6];
for(auto eid : e)
{
if(eid != first && eid != last)
{
manager.addComponent<C0>(eid);
manager.addComponent<C1>(eid);
}
else
{
manager.addComponent<C0>(eid);
manager.addTag<T0>(eid);
}
}
const auto func0 = []
(std::size_t /* id */, void* /* context */, C0* c0, C1* c1)
{
c0->x = 1;
c0->y = 2;
c1->vx = 3;
c1->vy = 4;
};
const auto func1 = [] (std::size_t /* id */, void* /* context */, C0* c0)
{
c0->x = 11;
c0->y = 12;
};
using namespace EC::Meta;
manager.forMatchingSignaturePtr<TypeList<C0, C1> >(
&func0
);
manager.forMatchingSignaturePtr<TypeList<C0, T0> >(
&func1, nullptr, true
);
for(auto eid : e)
{
if(eid != first && eid != last)
{
C0* c0 = manager.getEntityData<C0>(eid);
EXPECT_EQ(1, c0->x);
EXPECT_EQ(2, c0->y);
c0->x = 0;
c0->y = 0;
C1* c1 = manager.getEntityData<C1>(eid);
EXPECT_EQ(3, c1->vx);
EXPECT_EQ(4, c1->vy);
c1->vx = 0;
c1->vy = 0;
}
else
{
C0* c = manager.getEntityData<C0>(eid);
EXPECT_EQ(11, c->x);
EXPECT_EQ(12, c->y);
c->x = 0;
c->y = 0;
}
}
manager.forMatchingSignaturesPtr<TypeList<
TypeList<C0, C1>,
TypeList<C0, T0> > >(
std::make_tuple(&func0, &func1)
);
for(auto eid : e)
{
if(eid != first && eid != last)
{
C0* c0 = manager.getEntityData<C0>(eid);
EXPECT_EQ(1, c0->x);
EXPECT_EQ(2, c0->y);
c0->x = 0;
c0->y = 0;
C1* c1 = manager.getEntityData<C1>(eid);
EXPECT_EQ(3, c1->vx);
EXPECT_EQ(4, c1->vy);
c1->vx = 0;
c1->vy = 0;
}
else
{
C0* c = manager.getEntityData<C0>(eid);
EXPECT_EQ(11, c->x);
EXPECT_EQ(12, c->y);
c->x = 0;
c->y = 0;
}
}
// test duplicate signatures
const auto setTo9999 = []
(std::size_t /* id */, void* /* context */, C0* c0, C1* c1)
{
c0->x = 9999;
c0->y = 9999;
c1->vx = 9999;
c1->vy = 9999;
};
const auto setTo10000 = []
(std::size_t /* id */, void* /* context */, C0* c0, C1* c1)
{
c0->x = 10000;
c0->y = 10000;
c1->vx = 10000;
c1->vy = 10000;
};
manager.forMatchingSignaturesPtr<TypeList<
TypeList<C0, C1>,
TypeList<C0, C1> > >(
std::make_tuple(
&setTo9999,
&setTo10000
));
for(auto id : e)
{
if(id != first && id != last)
{
EXPECT_EQ(10000, manager.getEntityData<C0>(id)->x);
EXPECT_EQ(10000, manager.getEntityData<C0>(id)->y);
EXPECT_EQ(10000, manager.getEntityData<C1>(id)->vx);
EXPECT_EQ(10000, manager.getEntityData<C1>(id)->vy);
}
};
}
TEST(EC, context)
{
EC::Manager<ListComponentsAll, ListTagsAll> manager;
auto e0 = manager.addEntity();
auto e1 = manager.addEntity();
manager.addComponent<C0>(e0, 1, 2);
manager.addComponent<C0>(e1, 3, 4);
Context c;
c.a = 2000;
c.b = 5432;
EXPECT_EQ(1, manager.getEntityData<C0>(e0)->x);
EXPECT_EQ(2, manager.getEntityData<C0>(e0)->y);
EXPECT_EQ(3, manager.getEntityData<C0>(e1)->x);
EXPECT_EQ(4, manager.getEntityData<C0>(e1)->y);
manager.forMatchingSignature<EC::Meta::TypeList<C0>>(assignContextToC0, &c);
EXPECT_EQ(2000, manager.getEntityData<C0>(e0)->x);
EXPECT_EQ(5432, manager.getEntityData<C0>(e0)->y);
EXPECT_EQ(2000, manager.getEntityData<C0>(e1)->x);
EXPECT_EQ(5432, manager.getEntityData<C0>(e1)->y);
c.a = 1111;
c.b = 2222;
using C0TL = EC::Meta::TypeList<C0>;
manager.forMatchingSignatures<EC::Meta::TypeList<C0TL, C0TL, C0TL>>(
std::make_tuple(
setC0ToOneAndTwo, assignContextToC0, setContextToThreeAndFour),
&c);
EXPECT_EQ(1111, manager.getEntityData<C0>(e0)->x);
EXPECT_EQ(2222, manager.getEntityData<C0>(e0)->y);
EXPECT_EQ(1111, manager.getEntityData<C0>(e1)->x);
EXPECT_EQ(2222, manager.getEntityData<C0>(e1)->y);
EXPECT_EQ(3, c.a);
EXPECT_EQ(4, c.b);
manager.forMatchingSignaturesPtr<EC::Meta::TypeList<C0TL, C0TL>>(
std::make_tuple(
&setC0ToOneAndTwo, &assignC0ToContext),
&c);
EXPECT_EQ(1, c.a);
EXPECT_EQ(2, c.b);
EXPECT_EQ(1, manager.getEntityData<C0>(e0)->x);
EXPECT_EQ(2, manager.getEntityData<C0>(e0)->y);
EXPECT_EQ(1, manager.getEntityData<C0>(e1)->x);
EXPECT_EQ(2, manager.getEntityData<C0>(e1)->y);
c.a = 1980;
c.b = 1990;
auto fid = manager.addForMatchingFunction<C0TL>(assignContextToC0, &c);
manager.callForMatchingFunction(fid);
EXPECT_EQ(1980, manager.getEntityData<C0>(e0)->x);
EXPECT_EQ(1990, manager.getEntityData<C0>(e0)->y);
EXPECT_EQ(1980, manager.getEntityData<C0>(e1)->x);
EXPECT_EQ(1990, manager.getEntityData<C0>(e1)->y);
c.a = 2000;
c.b = 2010;
manager.callForMatchingFunctions();
EXPECT_EQ(2000, manager.getEntityData<C0>(e0)->x);
EXPECT_EQ(2010, manager.getEntityData<C0>(e0)->y);
EXPECT_EQ(2000, manager.getEntityData<C0>(e1)->x);
EXPECT_EQ(2010, manager.getEntityData<C0>(e1)->y);
Context altC;
altC.a = 999;
altC.b = 1999;
manager.changeForMatchingFunctionContext(fid, &altC);
manager.callForMatchingFunctions();
EXPECT_EQ(999, manager.getEntityData<C0>(e0)->x);
EXPECT_EQ(1999, manager.getEntityData<C0>(e0)->y);
EXPECT_EQ(999, manager.getEntityData<C0>(e1)->x);
EXPECT_EQ(1999, manager.getEntityData<C0>(e1)->y);
}
TEST(EC, FunctionStorageOrder)
{
EC::Manager<ListComponentsAll, ListTagsAll> manager;
auto e0 = manager.addEntity();
manager.addComponent<C0>(e0, 1, 2);
std::vector<int> v;
using C0TL = EC::Meta::TypeList<C0>;
manager.addForMatchingFunction<C0TL>(
[&v] (std::size_t /* id */, void* /* context */, C0* c) {
v.push_back(c->x);
v.push_back(c->y);
});
manager.addForMatchingFunction<C0TL>(
[] (std::size_t /* id */, void* /* context */, C0* c) {
c->x += 2;
c->y += 2;
});
manager.addForMatchingFunction<C0TL>(
[&v] (std::size_t /* id */, void* /* context */, C0* c) {
v.push_back(c->x);
v.push_back(c->y);
});
manager.addForMatchingFunction<C0TL>(
[] (std::size_t /* id */, void* /* context */, C0* c) {
c->x += 2;
c->y += 2;
});
manager.addForMatchingFunction<C0TL>(
[&v] (std::size_t /* id */, void* /* context */, C0* c) {
v.push_back(c->x);
v.push_back(c->y);
});
manager.callForMatchingFunctions();
EXPECT_EQ(1, v.at(0));
EXPECT_EQ(2, v.at(1));
EXPECT_EQ(3, v.at(2));
EXPECT_EQ(4, v.at(3));
EXPECT_EQ(5, v.at(4));
EXPECT_EQ(6, v.at(5));
}
TEST(EC, forMatchingSimple) {
EC::Manager<ListComponentsAll, ListTagsAll> manager;
auto e0 = manager.addEntity();
manager.addComponent<C0>(e0, 0, 1);
auto e1 = manager.addEntity();
manager.addComponent<C0>(e1, 2, 3);
manager.addTag<T0>(e1);
auto e2 = manager.addEntity();
manager.addComponent<C0>(e2, 4, 5);
manager.addTag<T0>(e2);
manager.addTag<T1>(e2);
// add 10 to C0 components
manager.forMatchingSimple<EC::Meta::TypeList<C0>>(
[] (std::size_t id, decltype(manager) *manager, void *) {
C0 *c0 = manager->getEntityData<C0>(id);
c0->x += 10;
c0->y += 10;
}, nullptr, true);
// verify
{
C0 *c0 = manager.getEntityData<C0>(e0);
EXPECT_EQ(c0->x, 10);
EXPECT_EQ(c0->y, 11);
c0 = manager.getEntityData<C0>(e1);
EXPECT_EQ(c0->x, 12);
EXPECT_EQ(c0->y, 13);
c0 = manager.getEntityData<C0>(e2);
EXPECT_EQ(c0->x, 14);
EXPECT_EQ(c0->y, 15);
}
auto e3 = manager.addEntity();
manager.addComponent<C0>(e3, 6, 7);
manager.addTag<T0>(e3);
manager.addTag<T1>(e3);
// add 100 to entities with C0,T1
manager.forMatchingSimple<EC::Meta::TypeList<C0, T1>>(
[] (std::size_t id, decltype(manager) *manager, void *) {
C0 *c0 = manager->getEntityData<C0>(id);
c0->x += 100;
c0->y += 100;
});
// verify
{
C0 *c0 = manager.getEntityData<C0>(e0);
EXPECT_EQ(c0->x, 10);
EXPECT_EQ(c0->y, 11);
c0 = manager.getEntityData<C0>(e1);
EXPECT_EQ(c0->x, 12);
EXPECT_EQ(c0->y, 13);
c0 = manager.getEntityData<C0>(e2);
EXPECT_EQ(c0->x, 114);
EXPECT_EQ(c0->y, 115);
c0 = manager.getEntityData<C0>(e3);
EXPECT_EQ(c0->x, 106);
EXPECT_EQ(c0->y, 107);
}
}
TEST(EC, forMatchingIterableFn)
{
EC::Manager<ListComponentsAll, ListTagsAll> manager;
auto e0 = manager.addEntity();
manager.addComponent<C0>(e0, 0, 1);
auto e1 = manager.addEntity();
manager.addComponent<C0>(e1, 2, 3);
manager.addTag<T0>(e1);
auto e2 = manager.addEntity();
manager.addComponent<C0>(e2, 4, 5);
manager.addTag<T0>(e2);
manager.addTag<T1>(e2);
auto c0Index = EC::Meta::IndexOf<C0, ListCombinedComponentsTags>::value;
auto c1Index = EC::Meta::IndexOf<C1, ListCombinedComponentsTags>::value;
auto t0Index = EC::Meta::IndexOf<T0, ListCombinedComponentsTags>::value;
auto t1Index = EC::Meta::IndexOf<T1, ListCombinedComponentsTags>::value;
{
// test valid indices
auto iterable = {c0Index};
auto fn = [] (std::size_t i, decltype(manager)* m, void*) {
auto* c = m->getEntityComponent<C0>(i);
c->x += 1;
c->y += 1;
};
manager.forMatchingIterable(iterable, fn, nullptr);
}
{
auto* c = manager.getEntityComponent<C0>(e0);
EXPECT_EQ(c->x, 1);
EXPECT_EQ(c->y, 2);
c = manager.getEntityComponent<C0>(e1);
EXPECT_EQ(c->x, 3);
EXPECT_EQ(c->y, 4);
c = manager.getEntityComponent<C0>(e2);
EXPECT_EQ(c->x, 5);
EXPECT_EQ(c->y, 6);
}
{
// test invalid indices
auto iterable = {c0Index, c1Index};
auto fn = [] (std::size_t i, decltype(manager)* m, void*) {
auto* c = m->getEntityComponent<C0>(i);
c->x += 1;
c->y += 1;
};
manager.forMatchingIterable(iterable, fn, nullptr);
}
{
auto* c = manager.getEntityComponent<C0>(e0);
EXPECT_EQ(c->x, 1);
EXPECT_EQ(c->y, 2);
c = manager.getEntityComponent<C0>(e1);
EXPECT_EQ(c->x, 3);
EXPECT_EQ(c->y, 4);
c = manager.getEntityComponent<C0>(e2);
EXPECT_EQ(c->x, 5);
EXPECT_EQ(c->y, 6);
}
{
// test partially valid indices
auto iterable = {c0Index, t1Index};
auto fn = [] (std::size_t i, decltype(manager)* m, void*) {
auto* c = m->getEntityComponent<C0>(i);
c->x += 1;
c->y += 1;
};
manager.forMatchingIterable(iterable, fn, nullptr);
}
{
auto* c = manager.getEntityComponent<C0>(e0);
EXPECT_EQ(c->x, 1);
EXPECT_EQ(c->y, 2);
c = manager.getEntityComponent<C0>(e1);
EXPECT_EQ(c->x, 3);
EXPECT_EQ(c->y, 4);
c = manager.getEntityComponent<C0>(e2);
EXPECT_EQ(c->x, 6);
EXPECT_EQ(c->y, 7);
}
{
// test partially valid indices
auto iterable = {c0Index, t0Index};
auto fn = [] (std::size_t i, decltype(manager)* m, void*) {
auto* c = m->getEntityComponent<C0>(i);
c->x += 10;
c->y += 10;
};
manager.forMatchingIterable(iterable, fn, nullptr);
}
{
auto* c = manager.getEntityComponent<C0>(e0);
EXPECT_EQ(c->x, 1);
EXPECT_EQ(c->y, 2);
c = manager.getEntityComponent<C0>(e1);
EXPECT_EQ(c->x, 13);
EXPECT_EQ(c->y, 14);
c = manager.getEntityComponent<C0>(e2);
EXPECT_EQ(c->x, 16);
EXPECT_EQ(c->y, 17);
}
{
// test invalid indices
auto iterable = {(unsigned int)c0Index, 1000u};
auto fn = [] (std::size_t i, decltype(manager)* m, void*) {
auto* c = m->getEntityComponent<C0>(i);
c->x += 1000;
c->y += 1000;
};
manager.forMatchingIterable(iterable, fn, nullptr);
}
{
auto* c = manager.getEntityComponent<C0>(e0);
EXPECT_EQ(c->x, 1);
EXPECT_EQ(c->y, 2);
c = manager.getEntityComponent<C0>(e1);
EXPECT_EQ(c->x, 13);
EXPECT_EQ(c->y, 14);
c = manager.getEntityComponent<C0>(e2);
EXPECT_EQ(c->x, 16);
EXPECT_EQ(c->y, 17);
}
{
// test concurrent update
auto iterable = {c0Index};
auto fn = [] (std::size_t i, decltype(manager)* m, void*) {
auto *c = m->getEntityComponent<C0>(i);
c->x += 100;
c->y += 100;
};
manager.forMatchingIterable(iterable, fn, nullptr, true);
}
{
auto* c = manager.getEntityComponent<C0>(e0);
EXPECT_EQ(c->x, 101);
EXPECT_EQ(c->y, 102);
c = manager.getEntityComponent<C0>(e1);
EXPECT_EQ(c->x, 113);
EXPECT_EQ(c->y, 114);
c = manager.getEntityComponent<C0>(e2);
EXPECT_EQ(c->x, 116);
EXPECT_EQ(c->y, 117);
}
{
// test invalid concurrent update
auto iterable = {(unsigned int)c0Index, 1000u};
auto fn = [] (std::size_t i, decltype(manager)* m, void*) {
auto *c = m->getEntityComponent<C0>(i);
c->x += 1000;
c->y += 1000;
};
manager.forMatchingIterable(iterable, fn, nullptr, true);
}
{
auto* c = manager.getEntityComponent<C0>(e0);
EXPECT_EQ(c->x, 101);
EXPECT_EQ(c->y, 102);
c = manager.getEntityComponent<C0>(e1);
EXPECT_EQ(c->x, 113);
EXPECT_EQ(c->y, 114);
c = manager.getEntityComponent<C0>(e2);
EXPECT_EQ(c->x, 116);
EXPECT_EQ(c->y, 117);
}
}
// This test tests for the previously fixed bug where
// callForMatchingFunction(s) can fail to call fns on
// the correct entities.
// Fixed in commit e0f30db951fcedd0ec51c680bd60a2157bd355a6
TEST(EC, MultiThreadedForMatching) {
EC::Manager<ListComponentsAll, ListTagsAll> manager;
std::size_t first = manager.addEntity();
std::size_t second = manager.addEntity();
manager.addComponent<C1>(second);
manager.getEntityComponent<C1>(second)->vx = 1;
std::size_t fnIdx = manager.addForMatchingFunction<EC::Meta::TypeList<C1>>(
[] (std::size_t id, void *data, C1 *c) {
c->vx -= 1;
if(c->vx <= 0) {
auto *manager = (EC::Manager<ListComponentsAll, ListTagsAll>*)data;
manager->deleteEntity(id);
}
}, &manager);
EXPECT_TRUE(manager.isAlive(first));
EXPECT_TRUE(manager.isAlive(second));
manager.callForMatchingFunction(fnIdx, true);
EXPECT_TRUE(manager.isAlive(first));
EXPECT_FALSE(manager.isAlive(second));
}
TEST(EC, ManagerWithLowThreadCount) {
EC::Manager<ListComponentsAll, ListTagsAll, 1> manager;
std::array<std::size_t, 10> entities;
for(auto &id : entities) {
id = manager.addEntity();
manager.addComponent<C0>(id);
}
for(const auto &id : entities) {
auto *component = manager.getEntityComponent<C0>(id);
EXPECT_EQ(component->x, 0);
EXPECT_EQ(component->y, 0);
}
manager.forMatchingSignature<EC::Meta::TypeList<C0> >([] (std::size_t /*id*/, void* /*ud*/, C0 *c) {
c->x += 1;
c->y += 1;
}, nullptr, true);
for(const auto &id : entities) {
auto *component = manager.getEntityComponent<C0>(id);
EXPECT_EQ(component->x, 1);
EXPECT_EQ(component->y, 1);
}
}