mirror of https://github.com/AxioDL/metaforce.git
433 lines
18 KiB
C++
433 lines
18 KiB
C++
#include "Weapon/CGameProjectile.hpp"
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#include "World/CGameLight.hpp"
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#include "CStateManager.hpp"
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#include "TCastTo.hpp"
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#include "World/CPlayer.hpp"
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#include "World/CHUDBillboardEffect.hpp"
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#include "World/CWallCrawlerSwarm.hpp"
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#include "World/CScriptDoor.hpp"
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#include "Collision/CInternalRayCastStructure.hpp"
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#include "MP1/World/CPuddleToadGamma.hpp"
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#include "World/CScriptPlatform.hpp"
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#include "Collision/CCollisionActor.hpp"
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namespace urde {
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CGameProjectile::CGameProjectile(bool active, const TToken<CWeaponDescription>& wDesc, std::string_view name,
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EWeaponType wType, const zeus::CTransform& xf, EMaterialTypes excludeMat,
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const CDamageInfo& dInfo, TUniqueId uid, TAreaId aid, TUniqueId owner,
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TUniqueId homingTarget, EProjectileAttrib attribs, bool underwater,
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const zeus::CVector3f& scale,
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const rstl::optional<TLockedToken<CGenDescription>>& visorParticle,
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u16 visorSfx, bool sendCollideMsg)
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: CWeapon(uid, aid, active, owner, wType, name, xf,
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CMaterialFilter::MakeIncludeExclude(
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{EMaterialTypes::Solid, EMaterialTypes::NonSolidDamageable},
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{EMaterialTypes::Projectile, EMaterialTypes::ProjectilePassthrough, excludeMat}),
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CMaterialList(), dInfo, attribs | GetBeamAttribType(wType), CModelData::CModelDataNull())
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, x158_visorParticle(visorParticle)
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, x168_visorSfx(visorSfx)
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, x170_projectile(wDesc, xf.origin, xf.basis, scale,
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(attribs & EProjectileAttrib::ParticleOPTS) == EProjectileAttrib::ParticleOPTS)
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, x298_previousPos(xf.origin)
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, x2a4_projExtent((xe8_projectileAttribs & EProjectileAttrib::BigProjectile) == EProjectileAttrib::BigProjectile ? 0.25f
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: 0.1f)
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, x2c0_homingTargetId(homingTarget)
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, x2cc_wpscId(wDesc.GetObjectTag()->id) {
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x2e4_24_active = true;
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x2e4_25_startedUnderwater = underwater;
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x2e4_26_waterUpdate = underwater;
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x2e4_27_inWater = underwater;
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x2e4_28_sendProjectileCollideMsg = sendCollideMsg;
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}
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void CGameProjectile::Accept(urde::IVisitor& visitor) { visitor.Visit(this); }
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void CGameProjectile::ResolveCollisionWithActor(const CRayCastResult& res, CActor& act, CStateManager& mgr) {
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zeus::CVector3f revDir = -x34_transform.basis[1].normalized();
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if (TCastToPtr<CPlayer>(act)) {
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if (x158_visorParticle && mgr.GetPlayer().GetCameraState() == CPlayer::EPlayerCameraState::FirstPerson) {
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if (zeus::radToDeg(std::acos(
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mgr.GetCameraManager()->GetCurrentCameraTransform(mgr).basis[1].normalized().dot(revDir))) <= 45.f) {
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/* Hit us head on! Draw Billboard! */
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rstl::optional<TToken<CGenDescription>> bb = {*x158_visorParticle};
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CHUDBillboardEffect* effect = new CHUDBillboardEffect(
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bb, {}, mgr.AllocateUniqueId(), true, "VisorAcid", CHUDBillboardEffect::GetNearClipDistance(mgr),
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CHUDBillboardEffect::GetScaleForPOV(mgr), zeus::skWhite, zeus::skOne3f,
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zeus::skZero3f);
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mgr.AddObject(effect);
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CSfxManager::SfxStart(x168_visorSfx, 1.f, 0.f, false, 0x7f, false, kInvalidAreaId);
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if (x2e4_28_sendProjectileCollideMsg)
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mgr.SendScriptMsg(&mgr.GetPlayer(), GetUniqueId(), EScriptObjectMessage::ProjectileCollide);
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}
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}
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}
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}
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void CGameProjectile::AcceptScriptMsg(EScriptObjectMessage msg, TUniqueId /*uid*/, CStateManager& mgr) {
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if (msg == EScriptObjectMessage::AddSplashInhabitant) {
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if (!x2e4_27_inWater) {
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x2e4_27_inWater = true;
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x2e4_26_waterUpdate = true;
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}
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} else if (msg == EScriptObjectMessage::UpdateSplashInhabitant) {
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if (!x2e4_26_waterUpdate)
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x2e4_26_waterUpdate = true;
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} else if (msg == EScriptObjectMessage::RemoveSplashInhabitant) {
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if (x2e4_26_waterUpdate) {
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x2e4_26_waterUpdate = false;
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x2e4_27_inWater = false;
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}
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} else if (msg == EScriptObjectMessage::Deleted)
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DeleteProjectileLight(mgr);
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}
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EProjectileAttrib CGameProjectile::GetBeamAttribType(EWeaponType wType) {
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if (wType == EWeaponType::Ice)
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return EProjectileAttrib::Ice;
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else if (wType == EWeaponType::Wave)
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return EProjectileAttrib::Wave;
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else if (wType == EWeaponType::Plasma)
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return EProjectileAttrib::Plasma;
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else if (wType == EWeaponType::Phazon)
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return EProjectileAttrib::Phazon;
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return EProjectileAttrib::None;
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}
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void CGameProjectile::DeleteProjectileLight(CStateManager& mgr) {
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if (x2c8_projectileLight != kInvalidUniqueId) {
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mgr.FreeScriptObject(x2c8_projectileLight);
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x2c8_projectileLight = kInvalidUniqueId;
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}
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}
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void CGameProjectile::CreateProjectileLight(std::string_view name, const CLight& light, CStateManager& mgr) {
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DeleteProjectileLight(mgr);
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x2c8_projectileLight = mgr.AllocateUniqueId();
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mgr.AddObject(new CGameLight(x2c8_projectileLight, GetAreaId(), GetActive(), name, GetTransform(), GetUniqueId(),
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light, u32(x2cc_wpscId.Value()), 0, 0.f));
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}
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void CGameProjectile::Chase(float dt, CStateManager& mgr) {
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if (!x170_projectile.IsProjectileActive() || x2c0_homingTargetId == kInvalidUniqueId)
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return;
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if (TCastToConstPtr<CActor> act = mgr.GetObjectById(x2c0_homingTargetId)) {
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if (!act->GetMaterialList().HasMaterial(EMaterialTypes::Target) &&
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!act->GetMaterialList().HasMaterial(EMaterialTypes::Player)) {
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x2c0_homingTargetId = kInvalidUniqueId;
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} else {
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zeus::CVector3f homingPos = act->GetHomingPosition(mgr, 0.f);
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TCastToConstPtr<CWallCrawlerSwarm> swarm = act.GetPtr();
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if (swarm) {
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int lockOnId = swarm->GetCurrentLockOnId();
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if (swarm->GetLockOnLocationValid(lockOnId)) {
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homingPos = swarm->GetLockOnLocation(lockOnId);
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} else {
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x2c0_homingTargetId = kInvalidUniqueId;
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return;
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}
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}
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zeus::CVector3f projToPos = homingPos - x170_projectile.GetTranslation();
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if (x2e0_minHomingDist > 0.f && projToPos.magnitude() < x2e0_minHomingDist) {
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x2c0_homingTargetId = kInvalidUniqueId;
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return;
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}
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if (!swarm && !TCastToConstPtr<CPhysicsActor>(act.GetPtr()))
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if (auto tb = act->GetTouchBounds())
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projToPos.z() += (tb->max.z() - tb->min.z()) * 0.5f;
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zeus::CQuaternion qDelta =
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zeus::CQuaternion::shortestRotationArc(x170_projectile.GetTransform().basis[1], projToPos);
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float wThres = qDelta.w() * qDelta.w() * 2.f - 1.f;
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if (wThres > 0.99f)
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return;
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float turnRate;
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if (x2e4_26_waterUpdate)
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turnRate = x170_projectile.GetMaxTurnRate() * 0.5f;
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else
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turnRate = x170_projectile.GetMaxTurnRate();
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float maxTurnDelta = zeus::degToRad(turnRate * dt);
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float turnDelta = std::acos(wThres);
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if (maxTurnDelta < turnDelta) {
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/* Clamp quat to max delta */
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qDelta =
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zeus::CQuaternion(std::cos(maxTurnDelta * 0.5f),
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(std::sin(maxTurnDelta * 0.5f) / std::sin(turnDelta * 0.5f)) * qDelta.getImaginary());
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}
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zeus::CTransform xf = qDelta.toTransform() * x170_projectile.GetTransform();
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xf.orthonormalize();
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x170_projectile.SetWorldSpaceOrientation(xf);
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}
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}
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}
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void CGameProjectile::UpdateHoming(float dt, CStateManager& mgr) {
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if (!x2e4_24_active || x2c0_homingTargetId == kInvalidUniqueId || x2a8_homingDt <= 0.f)
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return;
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x2b0_targetHomingTime += dt;
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while (x2b0_targetHomingTime >= x2b8_curHomingTime) {
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Chase(x2a8_homingDt, mgr);
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x2b8_curHomingTime += x2a8_homingDt;
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}
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}
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void CGameProjectile::UpdateProjectileMovement(float dt, CStateManager& mgr) {
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float useDt = dt;
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if (x2e4_26_waterUpdate)
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useDt = 37.5f * dt * dt;
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x298_previousPos = x34_transform.origin;
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x170_projectile.Update(useDt);
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SetTransform(x170_projectile.GetTransform());
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SetTranslation(x170_projectile.GetTranslation());
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UpdateHoming(dt, mgr);
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}
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CRayCastResult CGameProjectile::DoCollisionCheck(TUniqueId& idOut, CStateManager& mgr) {
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CRayCastResult res;
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if (x2e4_24_active) {
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zeus::CVector3f posDelta = x34_transform.origin - x298_previousPos;
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rstl::reserved_vector<TUniqueId, 1024> nearList;
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mgr.BuildNearList(nearList, GetProjectileBounds(),
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CMaterialFilter::MakeExclude(EMaterialTypes::ProjectilePassthrough), this);
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res = RayCollisionCheckWithWorld(idOut, x298_previousPos, x34_transform.origin, posDelta.magnitude(), nearList, mgr);
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}
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return res;
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}
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void CGameProjectile::ApplyDamageToActors(CStateManager& mgr, const CDamageInfo& dInfo) {
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if (x2c6_pendingDamagee != kInvalidUniqueId) {
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if (TCastToPtr<CActor> act = mgr.ObjectById(x2c6_pendingDamagee)) {
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mgr.ApplyDamage(GetUniqueId(), act->GetUniqueId(), xec_ownerId, dInfo, xf8_filter, x34_transform.basis[1]);
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if ((xe8_projectileAttribs & EProjectileAttrib::PlayerUnFreeze) == EProjectileAttrib::PlayerUnFreeze &&
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mgr.GetPlayer().GetUniqueId() == act->GetUniqueId() && mgr.GetPlayer().GetFrozenState())
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mgr.GetPlayer().UnFreeze(mgr);
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}
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x2c6_pendingDamagee = kInvalidUniqueId;
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}
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for (CProjectileTouchResult& res : x2d0_touchResults) {
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if (TCastToConstPtr<CActor> act = mgr.GetObjectById(res.GetActorId())) {
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mgr.ApplyDamage(GetUniqueId(), act->GetUniqueId(), xec_ownerId, dInfo, xf8_filter, x34_transform.basis[1]);
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if ((xe8_projectileAttribs & EProjectileAttrib::PlayerUnFreeze) == EProjectileAttrib::PlayerUnFreeze &&
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mgr.GetPlayer().GetUniqueId() == act->GetUniqueId() && mgr.GetPlayer().GetFrozenState())
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mgr.GetPlayer().UnFreeze(mgr);
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}
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}
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x2d0_touchResults.clear();
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}
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void CGameProjectile::FluidFxThink(EFluidState state, CScriptWater& water, CStateManager& mgr) {
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if (x170_projectile.GetWeaponDescription()->xa6_SWTR)
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CWeapon::FluidFXThink(state, water, mgr);
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}
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CRayCastResult CGameProjectile::RayCollisionCheckWithWorld(TUniqueId& idOut, const zeus::CVector3f& start,
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const zeus::CVector3f& end, float mag,
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const rstl::reserved_vector<TUniqueId, 1024>& nearList,
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CStateManager& mgr) {
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x2d0_touchResults.clear();
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idOut = kInvalidUniqueId;
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x2c6_pendingDamagee = kInvalidUniqueId;
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CRayCastResult res;
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zeus::CVector3f delta = end - start;
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if (!delta.canBeNormalized())
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return res;
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float bestMag = mag;
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zeus::CVector3f dir = delta.normalized();
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CRayCastResult res2 = mgr.RayStaticIntersection(start, dir, mag, xf8_filter);
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if (res2.IsValid()) {
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bestMag = res2.GetT();
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res = res2;
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}
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for (TUniqueId id : nearList) {
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if (CActor* ent = static_cast<CActor*>(mgr.ObjectById(id))) {
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CProjectileTouchResult tRes = CanCollideWith(*ent, mgr);
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if (tRes.GetActorId() == kInvalidUniqueId)
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continue;
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if (tRes.HasRayCastResult()) {
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if (tRes.GetRayCastResult().GetT() < bestMag) {
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ent->Touch(*this, mgr);
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bestMag = tRes.GetRayCastResult().GetT();
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res = tRes.GetRayCastResult();
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x2c6_pendingDamagee = idOut = tRes.GetActorId();
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}
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} else {
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auto tb = ent->GetTouchBounds();
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CGameProjectile* projObj = nullptr;
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if (TCastToPtr<CScriptDoor> door = ent) {
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tb = door->GetProjectileBounds();
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} else if (TCastToPtr<CGameProjectile> proj = ent) {
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tb.emplace(proj->GetProjectileBounds());
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projObj = proj.GetPtr();
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}
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if (!tb)
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continue;
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CCollidableAABox prim(*tb, ent->GetMaterialList());
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CRayCastResult res3 =
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prim.CastRayInternal(CInternalRayCastStructure(start, dir, mag, {}, CMaterialFilter::skPassEverything));
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if (res3.IsValid()) {
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if (res3.GetT() < bestMag) {
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bestMag = res3.GetT();
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res = res3;
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x2c6_pendingDamagee = idOut = tRes.GetActorId();
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}
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} else if (tb->pointInside(start) || (projObj && projObj->GetProjectileBounds().intersects(*tb))) {
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x2c6_pendingDamagee = idOut = ent->GetUniqueId();
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zeus::CUnitVector3f norm(-dir);
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res = CRayCastResult(0.f, start, {norm, norm.dot(start)}, ent->GetMaterialList());
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break;
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}
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}
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}
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}
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if (x2e4_27_inWater && idOut == kInvalidUniqueId)
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x2e4_27_inWater = false;
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return res;
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}
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CProjectileTouchResult CGameProjectile::CanCollideWith(CActor& act, CStateManager& mgr) {
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if (act.GetDamageVulnerability()->GetVulnerability(x12c_curDamageInfo.GetWeaponMode(), false) ==
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EVulnerability::PassThrough) {
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return {kInvalidUniqueId, {}};
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} else {
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if (TCastToPtr<CScriptTrigger>(act)) {
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return CanCollideWithTrigger(act, mgr);
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} else if (TCastToPtr<CScriptPlatform>(act) || TCastToPtr<CCollisionActor>(act) ||
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CPatterned::CastTo<MP1::CPuddleToadGamma>(&act)) {
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return CanCollideWithComplexCollision(act, mgr);
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} else {
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return CanCollideWithGameObject(act, mgr);
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}
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}
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}
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CProjectileTouchResult CGameProjectile::CanCollideWithComplexCollision(CActor& act, CStateManager& mgr) {
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CPhysicsActor* useAct = nullptr;
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if (TCastToPtr<CScriptPlatform> plat = act) {
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if (plat->HasComplexCollision())
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useAct = plat.GetPtr();
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} else if (MP1::CPuddleToadGamma* toad = CPatterned::CastTo<MP1::CPuddleToadGamma>(&act)) {
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useAct = toad;
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} else if (TCastToPtr<CCollisionActor> cact = act) {
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if (cact->GetOwnerId() == xec_ownerId)
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return {kInvalidUniqueId, {}};
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useAct = cact.GetPtr();
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}
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if (useAct) {
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const CCollisionPrimitive* prim = useAct->GetCollisionPrimitive();
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zeus::CTransform xf = useAct->GetPrimitiveTransform();
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zeus::CVector3f deltaPos = GetTranslation() - x298_previousPos;
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if (deltaPos.canBeNormalized()) {
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zeus::CVector3f dir = deltaPos.normalized();
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float mag = deltaPos.magnitude();
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CRayCastResult res = prim->CastRayInternal(
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{x298_previousPos, dir, mag, xf,
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CMaterialFilter::MakeIncludeExclude({EMaterialTypes::Solid}, {EMaterialTypes::ProjectilePassthrough})});
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if (!res.IsValid()) {
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if (prim->GetPrimType() == FOURCC('SPHR')) {
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mag *= 2.f;
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CRayCastResult res2 = prim->CastRayInternal(
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{x298_previousPos - dir * mag, dir, deltaPos.magnitude(), xf,
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CMaterialFilter::MakeIncludeExclude({EMaterialTypes::Solid}, {EMaterialTypes::ProjectilePassthrough})});
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if (res2.IsValid())
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return {act.GetUniqueId(), {res2}};
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} else if (TCastToPtr<CCollisionActor> cAct = act) {
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float rad = cAct->GetSphereRadius();
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if ((x298_previousPos - GetTranslation()).magSquared() < rad * rad) {
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zeus::CVector3f point = x298_previousPos - dir * rad * 1.125f;
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zeus::CUnitVector3f revDir(-dir);
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return {act.GetUniqueId(), {{0.f, point, {revDir, point.dot(revDir)}, act.GetMaterialList()}}};
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}
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}
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return {kInvalidUniqueId, {}};
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} else {
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return {act.GetUniqueId(), {res}};
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}
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} else {
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return {kInvalidUniqueId, {}};
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}
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} else {
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return {act.GetUniqueId(), {}};
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}
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}
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CProjectileTouchResult CGameProjectile::CanCollideWithGameObject(CActor& act, CStateManager& mgr) {
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TCastToPtr<CGameProjectile> proj = act;
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if (!proj) {
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if (!act.GetMaterialList().HasMaterial(EMaterialTypes::Solid) && !act.HealthInfo(mgr)) {
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return {kInvalidUniqueId, {}};
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} else if (act.GetUniqueId() == xec_ownerId) {
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return {kInvalidUniqueId, {}};
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} else if (act.GetUniqueId() == x2c2_lastResolvedObj) {
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return {kInvalidUniqueId, {}};
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} else if (xf8_filter.GetExcludeList().Intersection(act.GetMaterialList())) {
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return {kInvalidUniqueId, {}};
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} else if (TCastToPtr<CAi> ai = act) {
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if (!ai->CanBeShot(mgr, int(xe8_projectileAttribs)))
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return {kInvalidUniqueId, {}};
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}
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} else if ((xe8_projectileAttribs & EProjectileAttrib::PartialCharge) == EProjectileAttrib::PartialCharge ||
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(proj->xe8_projectileAttribs & EProjectileAttrib::PartialCharge) == EProjectileAttrib::PartialCharge) {
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return {act.GetUniqueId(), {}};
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} else if ((xe8_projectileAttribs & EProjectileAttrib::PartialCharge) != EProjectileAttrib::PartialCharge &&
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(proj->xe8_projectileAttribs & EProjectileAttrib::PartialCharge) != EProjectileAttrib::PartialCharge) {
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return {kInvalidUniqueId, {}};
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}
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return {act.GetUniqueId(), {}};
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}
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CProjectileTouchResult CGameProjectile::CanCollideWithTrigger(CActor& act, CStateManager& mgr) {
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bool isWater = TCastToPtr<CScriptWater>(act).operator bool();
|
|
if (isWater) {
|
|
bool enteredWater = false;
|
|
if (isWater && !x2e4_25_startedUnderwater) {
|
|
if (!x170_projectile.GetWeaponDescription()->xa4_EWTR)
|
|
enteredWater = true;
|
|
}
|
|
/* This case is logically unreachable */
|
|
bool leftWater = false;
|
|
if (!isWater && x2e4_25_startedUnderwater) {
|
|
if (!x170_projectile.GetWeaponDescription()->xa5_LWTR)
|
|
leftWater = true;
|
|
}
|
|
return {(enteredWater || leftWater) ? act.GetUniqueId() : kInvalidUniqueId, {}};
|
|
}
|
|
return {kInvalidUniqueId, {}};
|
|
}
|
|
|
|
zeus::CAABox CGameProjectile::GetProjectileBounds() const {
|
|
return {{std::min(x298_previousPos.x(), GetTranslation().x()) - x2a4_projExtent,
|
|
std::min(x298_previousPos.y(), GetTranslation().y()) - x2a4_projExtent,
|
|
std::min(x298_previousPos.z(), GetTranslation().z()) - x2a4_projExtent},
|
|
{std::max(x298_previousPos.x(), GetTranslation().x()) + x2a4_projExtent,
|
|
std::max(x298_previousPos.y(), GetTranslation().y()) + x2a4_projExtent,
|
|
std::max(x298_previousPos.z(), GetTranslation().z()) + x2a4_projExtent}};
|
|
}
|
|
|
|
rstl::optional<zeus::CAABox> CGameProjectile::GetTouchBounds() const {
|
|
if (x2e4_24_active)
|
|
return {GetProjectileBounds()};
|
|
return {};
|
|
}
|
|
|
|
} // namespace urde
|