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zhenyan121
0ffa2804d1
Refactor server entity update flow to process entities individually, skipping those whose chunk is not loaded. System update methods now accept a single entity instead of iterating the full registry view, and `ServerWorld::get_chunk_ref_count` is added to determine if an entity's chunk is active.
41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
#include "Cubed/gameplay/systems/wander_ai_system.hpp"
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#include "Cubed/gameplay/ecs/ai_struct.hpp"
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#include "Cubed/gameplay/ecs/server_entity.hpp"
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#include "Cubed/tools/cubed_random.hpp"
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namespace {
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constexpr double DIRECTION_PROBABILITY = 0.01;
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constexpr double MOVE_PROBABILITY = 0.01;
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} // namespace
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namespace Cubed {
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void WanderAISystem::update(entt::registry& registry, entt::entity e) {
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if (!registry.all_of<AIBase, WanderAITag, BaseServerCreature, MoveBoost>(
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e)) {
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return;
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}
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auto [ai, creature, move_boost] =
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registry.get<AIBase, BaseServerCreature, MoveBoost>(e);
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++ai.count;
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if (ai.count >= ai.interval) {
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ai.count = 0;
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do_ai(creature, move_boost);
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}
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}
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void WanderAISystem::do_ai(BaseServerCreature& creature,
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MoveBoost& move_boost) {
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thread_local Random r{std::random_device()()};
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if (r.random_bool(DIRECTION_PROBABILITY)) {
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creature.transform.direction.value = r.random_direction_horizontal();
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}
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if (r.random_bool(MOVE_PROBABILITY)) {
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move_boost.duration = r.random_int(20, 40);
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move_boost.count = 0;
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}
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}
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} // namespace Cubed
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