80 lines
2.3 KiB
C++
80 lines
2.3 KiB
C++
#pragma once
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#include "Components.hpp"
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#include "Entity.hpp"
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#include "GameContext.hpp"
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#include <algorithm>
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#include <memory>
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#include <vector>
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void UpdateAllSystems(std::vector<std::shared_ptr<Entity>> &entities, GameContext &context,
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float deltaTime) {
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context.entities = &entities;
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context.worldEntity = (entities.size() > 0 && entities[0]) ? entities[0].get() : nullptr;
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context.wellEntity = (entities.size() > 1 && entities[1]) ? entities[1].get() : nullptr;
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context.probeEntity = (entities.size() > 2 && entities[2]) ? entities[2].get() : nullptr;
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context.hudEntity = (!entities.empty() && entities.back()) ? entities.back().get() : nullptr;
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for (auto &entity : entities) {
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if (!entity) {
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continue;
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}
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if (entity->context != &context) {
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entity->SetContext(&context);
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}
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entity->Update(deltaTime);
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}
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for (size_t i = 0; i < entities.size(); ++i) {
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auto &a = entities[i];
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if (!a) {
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continue;
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}
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auto aTransform = a->GetComponent<TransformComponent>();
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auto aCollider = a->GetComponent<ColliderComponent>();
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if (!aTransform || !aCollider) {
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continue;
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}
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for (size_t j = i + 1; j < entities.size(); ++j) {
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auto &b = entities[j];
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if (!b) {
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continue;
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}
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auto bTransform = b->GetComponent<TransformComponent>();
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auto bCollider = b->GetComponent<ColliderComponent>();
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if (!bTransform || !bCollider) {
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continue;
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}
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const float dx = aTransform->get().x - bTransform->get().x;
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const float dy = aTransform->get().y - bTransform->get().y;
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const float r = aCollider->get().radius + bCollider->get().radius;
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if ((dx * dx + dy * dy) <= (r * r)) {
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aCollider->get().EmitCollision(*b);
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bCollider->get().EmitCollision(*a);
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}
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}
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}
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auto remover = [](const std::shared_ptr<Entity> &entity) {
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if (!entity) {
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return true;
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}
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if (entity->queuedForFree) {
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entity->Cleanup();
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return true;
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}
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return false;
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};
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entities.erase(std::remove_if(entities.begin(), entities.end(), remover), entities.end());
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}
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