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149 lines
3.5 KiB
149 lines
3.5 KiB
#include <catch2/catch_test_macros.hpp>
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#include "dinkyecs.hpp"
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#include <iostream>
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#include <fmt/core.h>
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using namespace fmt;
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using DinkyECS::Entity;
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struct Player {
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std::string name;
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Entity eid;
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};
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struct Position {
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double x, y;
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};
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struct Velocity {
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double x, y;
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};
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struct Gravity {
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double level;
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};
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struct DaGUI {
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int event;
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};
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/*
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* Using a function catches instances where I'm not copying
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* the data into the world.
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*/
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void configure(DinkyECS::World &world, Entity &test) {
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println("---Configuring the base system.");
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Entity test2 = world.entity();
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world.set<Position>(test, {10,20});
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world.set<Velocity>(test, {1,2});
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world.set<Position>(test2, {1,1});
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world.set<Velocity>(test2, {9,19});
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println("---- Setting up the player as a fact in the system.");
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auto player_eid = world.entity();
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Player player_info{"Zed", player_eid};
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// just set some player info as a fact with the entity id
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world.set_the<Player>(player_info);
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world.set<Velocity>(player_eid, {0,0});
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world.set<Position>(player_eid, {0,0});
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auto enemy = world.entity();
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world.set<Velocity>(enemy, {0,0});
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world.set<Position>(enemy, {0,0});
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println("--- Creating facts (singletons)");
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world.set_the<Gravity>({0.9});
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}
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TEST_CASE("confirm ECS system works", "[ecs]") {
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DinkyECS::World world;
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Entity test = world.entity();
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configure(world, test);
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Position &pos = world.get<Position>(test);
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REQUIRE(pos.x == 10);
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REQUIRE(pos.y == 20);
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Velocity &vel = world.get<Velocity>(test);
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REQUIRE(vel.x == 1);
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REQUIRE(vel.y == 2);
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world.query<Position>([](const auto &ent, auto &pos) {
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REQUIRE(ent > 0);
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REQUIRE(pos.x >= 0);
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REQUIRE(pos.y >= 0);
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});
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world.query<Velocity>([](const auto &ent, auto &vel) {
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REQUIRE(ent > 0);
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REQUIRE(vel.x >= 0);
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REQUIRE(vel.y >= 0);
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});
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println("--- Manually get the velocity in position system:");
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world.query<Position>([&](const auto &ent, auto &pos) {
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Velocity &vel = world.get<Velocity>(ent);
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REQUIRE(ent > 0);
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REQUIRE(pos.x >= 0);
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REQUIRE(pos.y >= 0);
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REQUIRE(ent > 0);
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REQUIRE(vel.x >= 0);
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REQUIRE(vel.y >= 0);
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});
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println("--- Query only entities with Position and Velocity:");
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world.query<Position, Velocity>([&](const auto &ent, auto &pos, auto &vel) {
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Gravity &grav = world.get_the<Gravity>();
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REQUIRE(grav.level <= 1.0f);
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REQUIRE(grav.level > 0.5f);
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REQUIRE(ent > 0);
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REQUIRE(pos.x >= 0);
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REQUIRE(pos.y >= 0);
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REQUIRE(ent > 0);
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REQUIRE(vel.x >= 0);
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REQUIRE(vel.y >= 0);
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});
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// now remove Velocity
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world.remove<Velocity>(test);
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REQUIRE_THROWS(world.get<Velocity>(test));
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println("--- After remove test, should only result in test2:");
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world.query<Position, Velocity>([&](const auto &ent, auto &pos, auto &vel) {
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REQUIRE(pos.x >= 0);
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REQUIRE(pos.y >= 0);
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});
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}
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enum FakeEvent {
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HIT_EVENT, MISS_EVENT
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};
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TEST_CASE("confirm that the event system works", "[ecs]") {
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DinkyECS::World world;
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DinkyECS::Entity gui_ent = world.entity();
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DinkyECS::Entity player = world.entity();
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DaGUI gui{384};
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world.set<DaGUI>(gui_ent, gui);
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DaGUI &gui_test = world.get<DaGUI>(gui_ent);
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REQUIRE(gui.event == gui_test.event);
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world.send<DaGUI>(FakeEvent::HIT_EVENT, player);
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bool ready = world.has_event<DaGUI>();
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REQUIRE(ready == true);
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auto [event, entity] = world.recv<DaGUI>();
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REQUIRE(event == FakeEvent::HIT_EVENT);
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REQUIRE(entity == player);
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ready = world.has_event<DaGUI>();
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REQUIRE(ready == false);
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}
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