mirror of https://github.com/AxioDL/metaforce.git
110 lines
4.9 KiB
C++
110 lines
4.9 KiB
C++
#include "Runtime/Character/CBoneTracking.hpp"
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#include "Runtime/CStateManager.hpp"
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#include "Runtime/Character/CAnimData.hpp"
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#include "Runtime/Character/CBodyController.hpp"
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#include "Runtime/Character/CHierarchyPoseBuilder.hpp"
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#include "Runtime/World/CPatterned.hpp"
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#include "TCastTo.hpp" // Generated file, do not modify include path
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namespace urde {
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CBoneTracking::CBoneTracking(const CAnimData& animData, std::string_view bone,
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float maxTrackingAngle, float angSpeed, EBoneTrackingFlags flags)
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: x14_segId(animData.GetCharLayoutInfo().GetSegIdFromString(bone))
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, x1c_maxTrackingAngle(maxTrackingAngle)
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, x20_angSpeed(angSpeed)
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, x36_26_noParent(True(flags & EBoneTrackingFlags::NoParent))
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, x36_27_noParentOrigin(True(flags & EBoneTrackingFlags::NoParentOrigin))
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, x36_28_noHorizontalAim(True(flags & EBoneTrackingFlags::NoHorizontalAim))
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, x36_29_parentIk(True(flags & EBoneTrackingFlags::ParentIk)) {}
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void CBoneTracking::Update(float dt) { x18_time += dt; }
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void CBoneTracking::PreRender(const CStateManager& mgr, CAnimData& animData, const zeus::CTransform& xf,
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const zeus::CVector3f& vec, const CBodyController& bodyController) {
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TCastToPtr<CPatterned> patterned = bodyController.GetOwner();
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PreRender(mgr, animData, xf, vec,
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(bodyController.GetBodyStateInfo().ApplyHeadTracking() && patterned && patterned->ApplyBoneTracking()));
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}
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void CBoneTracking::PreRender(const CStateManager& mgr, CAnimData& animData, const zeus::CTransform& worldXf,
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const zeus::CVector3f& localOffsetScale, bool tracking) {
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if (x14_segId == 0)
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return;
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CHierarchyPoseBuilder& pb = animData.PoseBuilder();
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TCastToConstPtr<CActor> targetAct = mgr.GetObjectById(x34_target);
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if (x36_24_active && tracking && (targetAct || x24_targetPosition)) {
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x36_25_hasTrackedRotation = true;
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auto layoutInfo = pb.CharLayoutInfo();
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CSegId bone;
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if (x36_26_noParent)
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bone = x14_segId;
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else
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bone = layoutInfo->GetRootNode()->GetBoneMap()[x14_segId].x0_parentId;
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zeus::CTransform parentBoneXf;
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pb.BuildTransform(bone, parentBoneXf);
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zeus::CVector3f pos = parentBoneXf.origin;
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if (x36_27_noParentOrigin && !x36_26_noParent) {
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zeus::CTransform thisBoneXf;
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pb.BuildTransform(x14_segId, thisBoneXf);
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pos = thisBoneXf.origin;
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}
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parentBoneXf.origin = pos * localOffsetScale;
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zeus::CTransform finalXf = worldXf * parentBoneXf;
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zeus::CVector3f localDir = finalXf.transposeRotate(
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(targetAct ? targetAct->GetAimPosition(mgr, 0.f) : *x24_targetPosition) - finalXf.origin).normalized();
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if (x36_28_noHorizontalAim)
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localDir = zeus::CVector3f(0.f, localDir.toVec2f().magnitude(), localDir.z());
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if (x36_29_parentIk) {
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float negElev = -parentBoneXf.basis[1].z();
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zeus::CVector3f ikBase(0.f, std::sqrt(1.f - negElev * negElev), negElev);
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float angle = zeus::CVector3f::getAngleDiff(ikBase, localDir);
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angle = std::min(angle, x1c_maxTrackingAngle);
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localDir = zeus::CVector3f::slerp(ikBase, localDir, angle);
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} else {
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float angle = zeus::CVector3f::getAngleDiff(zeus::skForward, localDir);
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angle = std::min(angle, x1c_maxTrackingAngle);
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localDir = zeus::CVector3f::slerp(zeus::skForward, localDir, angle);
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}
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float angle = zeus::CVector3f::getAngleDiff(x0_curRotation.transform(zeus::skForward), localDir);
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float clampedAngle = std::min(angle, x18_time * x20_angSpeed);
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if (clampedAngle > 1.0e-05f) {
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x0_curRotation = zeus::CQuaternion::slerpShort(x0_curRotation,
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zeus::CQuaternion::lookAt(zeus::skForward, zeus::CUnitVector3f(localDir), 2.f * M_PIF),
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clampedAngle / angle);
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}
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pb.GetTreeMap()[x14_segId].x4_rotation = x0_curRotation;
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animData.MarkPoseDirty();
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} else if (x36_25_hasTrackedRotation) {
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zeus::CQuaternion qb = pb.GetTreeMap()[x14_segId].x4_rotation;
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float angle = zeus::CVector3f::getAngleDiff(x0_curRotation.transform(zeus::skForward),
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qb.transform(zeus::skForward));
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float maxAngDelta = x18_time * x20_angSpeed;
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float clampedAngle = std::min(angle, maxAngDelta);
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if (clampedAngle > 0.5f * maxAngDelta) {
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x0_curRotation = zeus::CQuaternion::slerpShort(x0_curRotation, qb, clampedAngle / angle);
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pb.GetTreeMap()[x14_segId].x4_rotation = x0_curRotation;
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animData.MarkPoseDirty();
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} else {
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x36_25_hasTrackedRotation = false;
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x0_curRotation = qb;
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}
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} else {
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x0_curRotation = pb.GetTreeMap()[x14_segId].x4_rotation;
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}
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x18_time = 0.f;
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}
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void CBoneTracking::SetActive(bool) { x36_24_active = true; }
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void CBoneTracking::SetTarget(TUniqueId target) { x34_target = target; }
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void CBoneTracking::UnsetTarget() { x34_target = kInvalidUniqueId; }
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void CBoneTracking::SetTargetPosition(const zeus::CVector3f& targetPos) { x24_targetPosition = targetPos; }
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void CBoneTracking::SetNoHorizontalAim(bool b) { x36_28_noHorizontalAim = b; }
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} // namespace urde
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