🛠️🐜 Antkeeper superbuild with dependencies included
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189 lines
5.6 KiB
189 lines
5.6 KiB
#include <sstream>
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#include <vector>
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#include <gtest/gtest.h>
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#include <cereal/archives/json.hpp>
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#include <entt/core/hashed_string.hpp>
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#include <entt/entity/registry.hpp>
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#include <entt/entity/snapshot.hpp>
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struct position {
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float x;
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float y;
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};
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struct timer {
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int duration;
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int elapsed{0};
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};
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struct relationship {
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entt::entity parent;
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};
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template<typename Archive>
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void serialize(Archive &archive, position &position) {
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archive(position.x, position.y);
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}
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template<typename Archive>
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void serialize(Archive &archive, timer &timer) {
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archive(timer.duration);
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}
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template<typename Archive>
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void serialize(Archive &archive, relationship &relationship) {
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archive(relationship.parent);
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}
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TEST(Snapshot, Full) {
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using namespace entt::literals;
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std::stringstream storage;
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entt::registry source;
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entt::registry destination;
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auto e0 = source.create();
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source.emplace<position>(e0, 16.f, 16.f);
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source.destroy(source.create());
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auto e1 = source.create();
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source.emplace<position>(e1, .8f, .0f);
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source.emplace<relationship>(e1, e0);
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auto e2 = source.create();
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auto e3 = source.create();
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source.emplace<timer>(e3, 1000, 100);
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source.emplace<entt::tag<"empty"_hs>>(e3);
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source.destroy(e2);
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auto v2 = source.current(e2);
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{
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// output finishes flushing its contents when it goes out of scope
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cereal::JSONOutputArchive output{storage};
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entt::snapshot{source}.entities(output).component<position, timer, relationship, entt::tag<"empty"_hs>>(output);
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}
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cereal::JSONInputArchive input{storage};
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entt::snapshot_loader{destination}.entities(input).component<position, timer, relationship, entt::tag<"empty"_hs>>(input);
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ASSERT_TRUE(destination.valid(e0));
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ASSERT_TRUE(destination.all_of<position>(e0));
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ASSERT_EQ(destination.get<position>(e0).x, 16.f);
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ASSERT_EQ(destination.get<position>(e0).y, 16.f);
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ASSERT_TRUE(destination.valid(e1));
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ASSERT_TRUE(destination.all_of<position>(e1));
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ASSERT_EQ(destination.get<position>(e1).x, .8f);
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ASSERT_EQ(destination.get<position>(e1).y, .0f);
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ASSERT_TRUE(destination.all_of<relationship>(e1));
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ASSERT_EQ(destination.get<relationship>(e1).parent, e0);
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ASSERT_FALSE(destination.valid(e2));
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ASSERT_EQ(destination.current(e2), v2);
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ASSERT_TRUE(destination.valid(e3));
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ASSERT_TRUE(destination.all_of<timer>(e3));
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ASSERT_TRUE(destination.all_of<entt::tag<"empty"_hs>>(e3));
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ASSERT_EQ(destination.get<timer>(e3).duration, 1000);
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ASSERT_EQ(destination.get<timer>(e3).elapsed, 0);
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}
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TEST(Snapshot, Continuous) {
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using namespace entt::literals;
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std::stringstream storage;
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entt::registry source;
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entt::registry destination;
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std::vector<entt::entity> entities;
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for(auto i = 0; i < 10; ++i) {
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entities.push_back(source.create());
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}
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for(auto entity: entities) {
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source.destroy(entity);
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}
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auto e0 = source.create();
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source.emplace<position>(e0, 0.f, 0.f);
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source.emplace<relationship>(e0, e0);
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auto e1 = source.create();
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source.emplace<position>(e1, 1.f, 1.f);
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source.emplace<relationship>(e1, e0);
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auto e2 = source.create();
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source.emplace<position>(e2, .2f, .2f);
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source.emplace<relationship>(e2, e0);
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auto e3 = source.create();
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source.emplace<timer>(e3, 1000, 1000);
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source.emplace<relationship>(e3, e2);
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source.emplace<entt::tag<"empty"_hs>>(e3);
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{
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// output finishes flushing its contents when it goes out of scope
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cereal::JSONOutputArchive output{storage};
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entt::snapshot{source}.entities(output).component<position, relationship, timer, entt::tag<"empty"_hs>>(output);
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}
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cereal::JSONInputArchive input{storage};
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entt::continuous_loader loader{destination};
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loader.entities(input)
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.component<position, relationship>(input, &relationship::parent)
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.component<timer, entt::tag<"empty"_hs>>(input);
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ASSERT_FALSE(destination.valid(e0));
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ASSERT_TRUE(loader.contains(e0));
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auto l0 = loader.map(e0);
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ASSERT_TRUE(destination.valid(l0));
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ASSERT_TRUE(destination.all_of<position>(l0));
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ASSERT_EQ(destination.get<position>(l0).x, 0.f);
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ASSERT_EQ(destination.get<position>(l0).y, 0.f);
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ASSERT_TRUE(destination.all_of<relationship>(l0));
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ASSERT_EQ(destination.get<relationship>(l0).parent, l0);
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ASSERT_FALSE(destination.valid(e1));
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ASSERT_TRUE(loader.contains(e1));
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auto l1 = loader.map(e1);
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ASSERT_TRUE(destination.valid(l1));
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ASSERT_TRUE(destination.all_of<position>(l1));
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ASSERT_EQ(destination.get<position>(l1).x, 1.f);
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ASSERT_EQ(destination.get<position>(l1).y, 1.f);
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ASSERT_TRUE(destination.all_of<relationship>(l1));
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ASSERT_EQ(destination.get<relationship>(l1).parent, l0);
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ASSERT_FALSE(destination.valid(e2));
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ASSERT_TRUE(loader.contains(e2));
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auto l2 = loader.map(e2);
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ASSERT_TRUE(destination.valid(l2));
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ASSERT_TRUE(destination.all_of<position>(l2));
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ASSERT_EQ(destination.get<position>(l2).x, .2f);
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ASSERT_EQ(destination.get<position>(l2).y, .2f);
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ASSERT_TRUE(destination.all_of<relationship>(l2));
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ASSERT_EQ(destination.get<relationship>(l2).parent, l0);
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ASSERT_FALSE(destination.valid(e3));
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ASSERT_TRUE(loader.contains(e3));
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auto l3 = loader.map(e3);
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ASSERT_TRUE(destination.valid(l3));
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ASSERT_TRUE(destination.all_of<timer>(l3));
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ASSERT_EQ(destination.get<timer>(l3).duration, 1000);
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ASSERT_EQ(destination.get<timer>(l3).elapsed, 0);
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ASSERT_TRUE(destination.all_of<relationship>(l3));
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ASSERT_EQ(destination.get<relationship>(l3).parent, l2);
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ASSERT_TRUE(destination.all_of<entt::tag<"empty"_hs>>(l3));
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}
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