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Merge branch 'master' into cxx17

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Stephen Seo 2019-11-06 16:35:39 +09:00
commit 25c864dd8a
4 changed files with 433 additions and 22 deletions
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1
.gitignore vendored
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@ -4,3 +4,4 @@ build*/
doxygen_html/
compile_commands.json
tags
.clangd/

22
src/EC/Bitset.hpp
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@ -75,6 +75,28 @@ namespace EC
return bitset;
}
template <typename IntegralType>
auto getCombinedBit(const IntegralType& i) {
static_assert(std::is_integral<IntegralType>::value,
"Parameter must be an integral type");
if(i >= Combined::size || i < 0) {
return (*this)[Combined::size];
} else {
return (*this)[i];
}
}
template <typename IntegralType>
auto getCombinedBit(const IntegralType& i) const {
static_assert(std::is_integral<IntegralType>::value,
"Parameter must be an integral type");
if(i >= Combined::size || i < 0) {
return (*this)[Combined::size];
} else {
return (*this)[i];
}
}
};
}

167
src/EC/Manager.hpp
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@ -12,6 +12,7 @@
#include <cstddef>
#include <vector>
#include <deque>
#include <tuple>
#include <utility>
#include <functional>
@ -66,14 +67,14 @@ namespace EC
template <typename... Types>
struct Storage
{
using type = std::tuple<std::vector<Types>...>;
using type = std::tuple<std::deque<Types>...>;
};
using ComponentsStorage =
typename EC::Meta::Morph<ComponentsList, Storage<> >::type;
// Entity: isAlive, ComponentsTags Info
using EntitiesTupleType = std::tuple<bool, BitsetType>;
using EntitiesType = std::vector<EntitiesTupleType>;
using EntitiesType = std::deque<EntitiesTupleType>;
EntitiesType entities;
ComponentsStorage componentsStorage;
@ -102,7 +103,7 @@ namespace EC
}
EC::Meta::forEach<ComponentsList>([this, newCapacity] (auto t) {
std::get<std::vector<decltype(t)> >(
std::get<std::deque<decltype(t)> >(
this->componentsStorage).resize(newCapacity);
});
@ -243,7 +244,7 @@ namespace EC
{
if constexpr (EC::Meta::Contains<Component, Components>::value)
{
return &std::get<std::vector<Component> >(componentsStorage)
return &std::get<std::deque<Component> >(componentsStorage)
.at(index);
}
else
@ -291,7 +292,7 @@ namespace EC
{
if constexpr (EC::Meta::Contains<Component, Components>::value)
{
return &std::get<std::vector<Component> >(componentsStorage)
return &std::get<std::deque<Component> >(componentsStorage)
.at(index);
}
else
@ -400,7 +401,7 @@ namespace EC
entities[entityID]
).template getComponentBit<Component>() = true;
std::get<std::vector<Component> >(componentsStorage)[entityID]
std::get<std::deque<Component> >(componentsStorage)[entityID]
= std::move(component);
}
}
@ -491,6 +492,23 @@ namespace EC
}
}
/*!
\brief Resets the Manager, removing all entities.
Some data may persist but will be overwritten when new entities
are added. Thus, do not depend on data to persist after a call to
reset().
*/
void reset()
{
clearForMatchingFunctions();
currentSize = 0;
currentCapacity = 0;
deletedSet.clear();
resize(EC_INIT_ENTITIES_SIZE);
}
private:
template <typename... Types>
struct ForMatchingSignatureHelper
@ -566,7 +584,7 @@ namespace EC
The second parameter is default nullptr and will be passed to the
function call as the second parameter as a means of providing
context (useful when the function is not a lambda function). The
third parameter is default 1 (not multi-threaded). If the third
third parameter is default 1 (not multi-threaded). If the third
parameter threadCount is set to a value greater than 1, then
threadCount threads will be used. Note that multi-threading is
based on splitting the task of calling the function across sections
@ -867,7 +885,7 @@ namespace EC
std::make_tuple(
signatureBitset,
context,
[function, helper, this]
[function, helper, this]
(std::size_t threadCount,
std::vector<std::size_t> matching,
void* context)
@ -1369,7 +1387,7 @@ namespace EC
threads[i].join();
}
}
// call functions on matching entities
EC::Meta::forEachDoubleTuple(
EC::Meta::Morph<SigList, std::tuple<> >{},
@ -1565,7 +1583,7 @@ namespace EC
threads[i].join();
}
}
// call functions on matching entities
EC::Meta::forEachDoubleTuple(
EC::Meta::Morph<SigList, std::tuple<> >{},
@ -1635,21 +1653,126 @@ namespace EC
);
}
typedef void ForMatchingFn(std::size_t, Manager<ComponentsList, TagsList>*, void*);
/*!
\brief Resets the Manager, removing all entities.
* \brief A simple version of forMatchingSignature()
*
* This function behaves like forMatchingSignature(), but instead of
* providing a function with each requested component as a parameter,
* the function receives a pointer to the manager itself, with which to
* query component/tag data.
*/
template <typename Signature>
void forMatchingSimple(ForMatchingFn fn, void *userData = nullptr, std::size_t threadCount = 1) {
const BitsetType signatureBitset = BitsetType::template generateBitset<Signature>();
if(threadCount <= 1) {
for(std::size_t i = 0; i < currentSize; ++i) {
if(!std::get<bool>(entities[i])) {
continue;
} else if((signatureBitset & std::get<BitsetType>(entities[i])) == signatureBitset) {
fn(i, this, userData);
}
}
} else {
std::vector<std::thread> threads(threadCount);
const std::size_t s = currentSize / threadCount;
for(std::size_t i = 0; i < threadCount; ++i) {
const std::size_t begin = s * i;
const std::size_t end =
i == threadCount - 1 ?
currentSize :
s * (i + 1);
threads[i] = std::thread(
[this] (const std::size_t begin,
const std::size_t end,
const BitsetType signatureBitset,
ForMatchingFn fn,
void *userData) {
for(std::size_t i = begin; i < end; ++i) {
if(!std::get<bool>(entities[i])) {
continue;
} else if((signatureBitset & std::get<BitsetType>(entities[i])) == signatureBitset) {
fn(i, this, userData);
}
}
},
begin,
end,
signatureBitset,
fn,
userData);
}
for(std::size_t i = 0; i < threadCount; ++i) {
threads[i].join();
}
}
}
Some data may persist but will be overwritten when new entities
are added. Thus, do not depend on data to persist after a call to
reset().
*/
void reset()
{
clearForMatchingFunctions();
/*!
* \brief Similar to forMatchingSimple(), but with a collection of Component/Tag indices
*
* This function works like forMatchingSimple(), but instead of
* providing template types that filter out non-matching entities, an
* iterable of indices must be provided which correlate to matching
* Component/Tag indices. The function given must match the previously
* defined typedef of type ForMatchingFn.
*/
template <typename Iterable>
void forMatchingIterable(Iterable iterable, ForMatchingFn fn, void* userPtr = nullptr, std::size_t threadCount = 1) {
if(threadCount <= 1) {
bool isValid;
for(std::size_t i = 0; i < currentSize; ++i) {
if(!std::get<bool>(entities[i])) {
continue;
}
currentSize = 0;
currentCapacity = 0;
deletedSet.clear();
resize(EC_INIT_ENTITIES_SIZE);
isValid = true;
for(const auto& integralValue : iterable) {
if(!std::get<BitsetType>(entities[i]).getCombinedBit(integralValue)) {
isValid = false;
break;
}
}
if(!isValid) { continue; }
fn(i, this, userPtr);
}
} else {
std::vector<std::thread> threads(threadCount);
std::size_t s = currentSize / threadCount;
for(std::size_t i = 0; i < threadCount; ++i) {
std::size_t begin = s * i;
std::size_t end =
i == threadCount - 1 ?
currentSize :
s * (i + 1);
threads[i] = std::thread(
[this, &fn, &iterable, userPtr] (std::size_t begin, std::size_t end) {
bool isValid;
for(std::size_t i = begin; i < end; ++i) {
if(!std::get<bool>(this->entities[i])) {
continue;
}
isValid = true;
for(const auto& integralValue : iterable) {
if(!std::get<BitsetType>(entities[i]).getCombinedBit(integralValue)) {
isValid = false;
break;
}
}
if(!isValid) { continue; }
fn(i, this, userPtr);
}
},
begin, end);
}
for(std::size_t i = 0; i < threadCount; ++i) {
threads[i].join();
}
}
}
};
}

265
src/test/ECTest.cpp
View file

@ -39,6 +39,8 @@ 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
@ -1074,3 +1076,266 @@ TEST(EC, FunctionStorageOrder)
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, 3);
// 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, 3);
}
{
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, 3);
}
{
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);
}
}