36 lines
1.1 KiB
C++
36 lines
1.1 KiB
C++
#include "SceneSync.Hpp"
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#include "OverteClient.hpp"
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#include "StardustBridge.hpp"
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#include <glm/gtc/matrix_transform.hpp>
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std::unordered_map<std::uint64_t, std::uint64_t> SceneSync::s_entityNodeMap;
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void SceneSync::update(StardustBridge& stardust, OverteClient& overte) {
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// Pull only the entities that changed since the last call.
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auto updated = overte.consumeUpdatedEntities();
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for (const auto& e : updated) {
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auto it = s_entityNodeMap.find(e.id);
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if (it == s_entityNodeMap.end()) {
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// Create a Stardust node the first time we see this entity.
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auto nodeId = stardust.createNode(e.name, e.transform);
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s_entityNodeMap.emplace(e.id, nodeId);
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} else {
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// Update existing node's transform.
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stardust.updateNodeTransform(it->second, e.transform);
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}
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}
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// Process deletions after updates to avoid create-then-delete thrash.
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auto deleted = overte.consumeDeletedEntities();
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for (auto entId : deleted) {
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auto it = s_entityNodeMap.find(entId);
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if (it != s_entityNodeMap.end()) {
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stardust.removeNode(it->second);
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s_entityNodeMap.erase(it);
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}
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}
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}
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