botw/src/KingSystem/ActorSystem/actAiBehavior.cpp

138 lines
3.8 KiB
C++

#include "KingSystem/ActorSystem/actAiBehavior.h"
#include "KingSystem/ActorSystem/actActor.h"
#include "KingSystem/ActorSystem/actActorParam.h"
#include "KingSystem/ActorSystem/actAiRoot.h"
#include "KingSystem/ActorSystem/behaviorDummyBehavior.h"
#include "KingSystem/Resource/Actor/resResourceAIProgram.h"
namespace ksys::act::ai {
Behavior::Behavior(const InitArg& arg)
: mActor(arg.actor), mDefIdx(static_cast<u16>(arg.def_idx)) {}
Behaviors::Behaviors() = default;
Behaviors::~Behaviors() {
finalize();
}
void Behaviors::finalize() {
for (s32 i = 0; i < mClasses.size(); ++i) {
if (mClasses[i]) {
delete mClasses[i];
mClasses[i] = nullptr;
}
}
mOnPreDeleteCbs.freeBuffer();
mUpdateForPreDeleteCbs.freeBuffer();
mClasses.freeBuffer();
}
bool Behaviors::init(Actor* actor, sead::Heap* heap) {
const auto* aiprog = actor->getParam()->getRes().mAIProgram;
const auto num_behaviors = aiprog->getBehaviors().size();
if (num_behaviors == 0)
return true;
if (!mClasses.tryAllocBuffer(num_behaviors, heap))
return false;
for (s32 i = 0, n = mClasses.size(); i != n; ++i)
mClasses(i) = nullptr;
auto it_class = mClasses.begin();
const auto it_class_end = mClasses.end();
Behavior::InitArg arg;
arg.actor = actor;
s32 predelete_cb_num = 0;
s32 update_cb_num = 0;
for (; it_class != it_class_end; ++it_class) {
arg.def_idx = it_class.getIndex();
const char* name = aiprog->getBehaviors()[it_class.getIndex()].mClassName;
auto* factory = getFactory(name);
if (factory)
*it_class = factory->create_fn(arg, heap);
else
*it_class = new (heap) DummyBehavior(arg);
if (!*it_class)
return false;
update_cb_num += (*it_class)->hasUpdateForPreDeleteCb();
predelete_cb_num += (*it_class)->hasPreDeleteCb();
}
// Allocate the callback lists.
if (predelete_cb_num != 0) {
if (!mOnPreDeleteCbs.tryAllocBuffer(predelete_cb_num, heap))
return false;
for (s32 i = 0; i < predelete_cb_num; ++i)
mOnPreDeleteCbs(i) = nullptr;
}
if (update_cb_num != 0) {
if (!mUpdateForPreDeleteCbs.tryAllocBuffer(update_cb_num, heap))
return false;
for (s32 i = 0; i < update_cb_num; ++i)
mUpdateForPreDeleteCbs(i) = nullptr;
}
// Initialize each class.
s32 idx_cb1 = 0, idx_cb2 = 0;
for (auto it = mClasses.begin(), end = mClasses.end(); it != end; ++it) {
if (!(*it)->init(heap))
return false;
if ((*it)->hasUpdateForPreDeleteCb()) {
mUpdateForPreDeleteCbs[idx_cb2] = *it;
++idx_cb2;
}
if ((*it)->hasPreDeleteCb()) {
mOnPreDeleteCbs[idx_cb1] = *it;
++idx_cb1;
}
}
return true;
}
bool Behaviors::updateForPreDelete() const {
bool ok = true;
for (auto* cb : mUpdateForPreDeleteCbs) {
if (cb)
ok &= cb->updateForPreDelete();
}
return ok;
}
void Behaviors::onPreDelete() const {
for (auto* cb : mOnPreDeleteCbs) {
if (cb)
cb->onPreDelete();
}
}
BehaviorFactory* Behaviors::getFactory(const sead::SafeString& name) {
const u32 name_hash = sead::HashCRC32::calcStringHash(name);
const s32 idx = sFactories.binarySearch(
name_hash, +[](const BehaviorFactory& factory, const u32& hash) {
if (factory.hash < hash)
return -1;
if (factory.hash > hash)
return 1;
return 0;
});
if (idx < 0)
return nullptr;
return sFactories.get(idx);
}
void Behaviors::setFactories(int count, BehaviorFactory* factories) {
sFactories.setBuffer(count, factories);
}
} // namespace ksys::act::ai