diff --git a/SHADE_Engine/src/Physics/Collision/Contacts/SHCollisionEvents.h b/SHADE_Engine/src/Physics/Collision/Contacts/SHCollisionEvents.h index 7abb397b..db55ca50 100644 --- a/SHADE_Engine/src/Physics/Collision/Contacts/SHCollisionEvents.h +++ b/SHADE_Engine/src/Physics/Collision/Contacts/SHCollisionEvents.h @@ -1,5 +1,5 @@ /**************************************************************************************** - * \file SHCollisionID.h + * \file SHCollisionKey.h * \author Diren D Bharwani, diren.dbharwani, 390002520 * \brief Interface for Collision Information for Collision & Triggers. * @@ -11,7 +11,7 @@ #pragma once // Project Headers -#include "SHCollisionID.h" +#include "SHCollisionKey.h" namespace SHADE { @@ -37,7 +37,7 @@ namespace SHADE struct SH_API SHTriggerEvent { public: - SHCollisionID info; + SHCollisionKey info; SHCollisionState state; }; @@ -51,7 +51,7 @@ namespace SHADE public: static constexpr int MAX_NUM_CONTACTS = 4; - SHCollisionID info; + SHCollisionKey info; SHCollisionState state; SHVec3 normal; SHVec3 contactPoints[MAX_NUM_CONTACTS]; diff --git a/SHADE_Engine/src/Physics/Collision/Contacts/SHCollisionID.cpp b/SHADE_Engine/src/Physics/Collision/Contacts/SHCollisionKey.cpp similarity index 66% rename from SHADE_Engine/src/Physics/Collision/Contacts/SHCollisionID.cpp rename to SHADE_Engine/src/Physics/Collision/Contacts/SHCollisionKey.cpp index fae14aca..4bb22697 100644 --- a/SHADE_Engine/src/Physics/Collision/Contacts/SHCollisionID.cpp +++ b/SHADE_Engine/src/Physics/Collision/Contacts/SHCollisionKey.cpp @@ -11,7 +11,7 @@ #include // Primary Header -#include "SHCollisionID.h" +#include "SHCollisionKey.h" // Project Headers #include "Physics/Collision/SHCollider.h" @@ -24,7 +24,7 @@ namespace SHADE /* Constructors & Destructor Definitions */ /*-----------------------------------------------------------------------------------*/ - SHCollisionID::SHCollisionID() noexcept + SHCollisionKey::SHCollisionKey() noexcept { ids[ENTITY_A] = MAX_EID; ids[ENTITY_B] = MAX_EID; @@ -32,13 +32,13 @@ namespace SHADE ids[SHAPE_INDEX_B] = std::numeric_limits::max(); } - SHCollisionID::SHCollisionID(const SHCollisionID& rhs) noexcept + SHCollisionKey::SHCollisionKey(const SHCollisionKey& rhs) noexcept { value[0] = rhs.value[0]; value[1] = rhs.value[1]; } - SHCollisionID::SHCollisionID(SHCollisionID&& rhs) noexcept + SHCollisionKey::SHCollisionKey(SHCollisionKey&& rhs) noexcept { value[0] = rhs.value[0]; value[1] = rhs.value[1]; @@ -48,7 +48,7 @@ namespace SHADE /* Operator Overload Definitions */ /*-----------------------------------------------------------------------------------*/ - SHCollisionID& SHCollisionID::operator=(const SHCollisionID& rhs) noexcept + SHCollisionKey& SHCollisionKey::operator=(const SHCollisionKey& rhs) noexcept { if (this == &rhs) return *this; @@ -59,7 +59,7 @@ namespace SHADE return *this; } - SHCollisionID& SHCollisionID::operator=(SHCollisionID&& rhs) noexcept + SHCollisionKey& SHCollisionKey::operator=(SHCollisionKey&& rhs) noexcept { value[0] = rhs.value[0]; value[1] = rhs.value[1]; @@ -67,7 +67,7 @@ namespace SHADE return *this; } - bool SHCollisionID::operator==(const SHCollisionID& rhs) const + bool SHCollisionKey::operator==(const SHCollisionKey& rhs) const { // When checking for equal, check both ways. // Exact Match (A, idxA, B, idxB) @@ -83,43 +83,43 @@ namespace SHADE /* Getter Function Definitions */ /*-----------------------------------------------------------------------------------*/ - EntityID SHCollisionID::GetEntityA() const noexcept + EntityID SHCollisionKey::GetEntityA() const noexcept { return ids[ENTITY_A]; } - EntityID SHCollisionID::GetEntityB() const noexcept + EntityID SHCollisionKey::GetEntityB() const noexcept { return ids[ENTITY_B]; } - uint32_t SHCollisionID::GetShapeIndexA() const noexcept + uint32_t SHCollisionKey::GetShapeIndexA() const noexcept { return ids[SHAPE_INDEX_A]; } - uint32_t SHCollisionID::GetShapeIndexB() const noexcept + uint32_t SHCollisionKey::GetShapeIndexB() const noexcept { return ids[SHAPE_INDEX_B]; } - const SHRigidBodyComponent* SHCollisionID::GetRigidBodyA() const noexcept + const SHRigidBodyComponent* SHCollisionKey::GetRigidBodyA() const noexcept { return SHComponentManager::GetComponent_s(ids[ENTITY_A]); } - const SHRigidBodyComponent* SHCollisionID::GetRigidBodyB() const noexcept + const SHRigidBodyComponent* SHCollisionKey::GetRigidBodyB() const noexcept { return SHComponentManager::GetComponent_s(ids[ENTITY_B]); } - const SHCollisionShape* SHCollisionID::GetCollisionShapeA() const noexcept + const SHCollisionShape* SHCollisionKey::GetCollisionShapeA() const noexcept { const auto* COLLIDER_COMPONENT = SHComponentManager::GetComponent(ids[ENTITY_A]); return COLLIDER_COMPONENT->GetCollider()->GetCollisionShape(ids[SHAPE_INDEX_A]); } - const SHCollisionShape* SHCollisionID::GetCollisionShapeB() const noexcept + const SHCollisionShape* SHCollisionKey::GetCollisionShapeB() const noexcept { const auto* COLLIDER_COMPONENT = SHComponentManager::GetComponent(ids[ENTITY_B]); return COLLIDER_COMPONENT->GetCollider()->GetCollisionShape(ids[SHAPE_INDEX_B]); @@ -129,24 +129,38 @@ namespace SHADE /* Setter Function Definitions */ /*-----------------------------------------------------------------------------------*/ - void SHCollisionID::SetEntityA(EntityID entityID) noexcept + void SHCollisionKey::SetEntityA(EntityID entityID) noexcept { ids[ENTITY_A] = entityID; } - void SHCollisionID::SetEntityB(EntityID entityID) noexcept + void SHCollisionKey::SetEntityB(EntityID entityID) noexcept { ids[ENTITY_B] = entityID; } - void SHCollisionID::SetCollisionShapeA(uint32_t shapeIndexA) noexcept + void SHCollisionKey::SetCollisionShapeA(uint32_t shapeIndexA) noexcept { ids[SHAPE_INDEX_A] = shapeIndexA; } - void SHCollisionID::SetCollisionShapeB(uint32_t shapeIndexB) noexcept + void SHCollisionKey::SetCollisionShapeB(uint32_t shapeIndexB) noexcept { ids[SHAPE_INDEX_B] = shapeIndexB; } + /*-----------------------------------------------------------------------------------*/ + /* Public Function Member Definitions */ + /*-----------------------------------------------------------------------------------*/ + + std::size_t SHCollisionKeyHash::operator()(const SHCollisionKey& id) const + { + static constexpr int NUM_IDS = ARRAYSIZE(id.ids); + + // Hashable is not a word. Sue me. + auto hashablePtr = reinterpret_cast::const_pointer>(id.ids); + return std::hash{}(std::u32string_view(hashablePtr, NUM_IDS)); + } + + } // namespace SHADE \ No newline at end of file diff --git a/SHADE_Engine/src/Physics/Collision/Contacts/SHCollisionID.h b/SHADE_Engine/src/Physics/Collision/Contacts/SHCollisionKey.h similarity index 83% rename from SHADE_Engine/src/Physics/Collision/Contacts/SHCollisionID.h rename to SHADE_Engine/src/Physics/Collision/Contacts/SHCollisionKey.h index 78b28a96..811f8375 100644 --- a/SHADE_Engine/src/Physics/Collision/Contacts/SHCollisionID.h +++ b/SHADE_Engine/src/Physics/Collision/Contacts/SHCollisionKey.h @@ -21,7 +21,7 @@ namespace SHADE /* Forward Declarations */ /*-----------------------------------------------------------------------------------*/ - struct SHCollisionIDHash; + struct SHCollisionKeyHash; /*-----------------------------------------------------------------------------------*/ /* Type Definitions */ @@ -29,37 +29,36 @@ namespace SHADE /** * @brief - * Encapsulates the information when two colliders intersect and do not have physical - * resolution. + * Encapsulates the information when two collision shapes intersect. */ - class SH_API SHCollisionID + class SH_API SHCollisionKey { private: /*---------------------------------------------------------------------------------*/ /* Friends */ /*---------------------------------------------------------------------------------*/ - friend struct SHCollisionIDHash; + friend struct SHCollisionKeyHash; public: /*---------------------------------------------------------------------------------*/ /* Constructors & Destructor */ /*---------------------------------------------------------------------------------*/ - SHCollisionID () noexcept; - SHCollisionID (const SHCollisionID& rhs) noexcept; - SHCollisionID (SHCollisionID&& rhs) noexcept; + SHCollisionKey () noexcept; + SHCollisionKey (const SHCollisionKey& rhs) noexcept; + SHCollisionKey (SHCollisionKey&& rhs) noexcept; - ~SHCollisionID () noexcept = default; + ~SHCollisionKey () noexcept = default; /*---------------------------------------------------------------------------------*/ /* Operator Overloads */ /*---------------------------------------------------------------------------------*/ - SHCollisionID& operator= (const SHCollisionID& rhs) noexcept; - SHCollisionID& operator= (SHCollisionID&& rhs) noexcept; + SHCollisionKey& operator= (const SHCollisionKey& rhs) noexcept; + SHCollisionKey& operator= (SHCollisionKey&& rhs) noexcept; - bool operator==(const SHCollisionID& rhs) const; + bool operator==(const SHCollisionKey& rhs) const; /*---------------------------------------------------------------------------------*/ /* Getter Functions */ @@ -103,19 +102,16 @@ namespace SHADE /** * @brief - * Encapsulates a functor to hash a CollisionID + * Encapsulates a functor to hash a CollisionKey */ - struct SHCollisionIDHash + struct SHCollisionKeyHash { public: /*---------------------------------------------------------------------------------*/ /* Member Functions */ /*---------------------------------------------------------------------------------*/ - inline std::size_t operator()(const SHCollisionID& id) const - { - return std::hash{}(std::u32string_view(reinterpret_cast::const_pointer>(id.ids), 4)); - } + std::size_t operator()(const SHCollisionKey& id) const; }; } // namespace SHADE \ No newline at end of file diff --git a/SHADE_Engine/src/Physics/Collision/Narrowphase/SHCollision.h b/SHADE_Engine/src/Physics/Collision/Narrowphase/SHCollision.h index befb16f6..a64c101c 100644 --- a/SHADE_Engine/src/Physics/Collision/Narrowphase/SHCollision.h +++ b/SHADE_Engine/src/Physics/Collision/Narrowphase/SHCollision.h @@ -13,7 +13,7 @@ // Project Headers #include "Physics/Collision/CollisionShapes/SHCollisionShape.h" #include "Physics/Collision/Contacts/SHManifold.h" -#include "Physics/Collision/Contacts/SHCollisionID.h" +#include "Physics/Collision/Contacts/SHCollisionKey.h" namespace SHADE diff --git a/SHADE_Engine/src/Physics/Collision/Narrowphase/SHCollisionDispatch.h b/SHADE_Engine/src/Physics/Collision/Narrowphase/SHCollisionDispatch.h index 4c132746..2dea7f1d 100644 --- a/SHADE_Engine/src/Physics/Collision/Narrowphase/SHCollisionDispatch.h +++ b/SHADE_Engine/src/Physics/Collision/Narrowphase/SHCollisionDispatch.h @@ -12,7 +12,7 @@ // Project Headers #include "Physics/Collision/Contacts/SHManifold.h" -#include "Physics/Collision/Contacts/SHCollisionID.h" +#include "Physics/Collision/Contacts/SHCollisionKey.h" namespace SHADE { diff --git a/SHADE_Engine/src/Physics/Dynamics/SHPhysicsWorld.cpp b/SHADE_Engine/src/Physics/Dynamics/SHPhysicsWorld.cpp index ff362d69..8d0b69f8 100644 --- a/SHADE_Engine/src/Physics/Dynamics/SHPhysicsWorld.cpp +++ b/SHADE_Engine/src/Physics/Dynamics/SHPhysicsWorld.cpp @@ -326,7 +326,7 @@ namespace SHADE auto* shapeB = colliders[ID_B]->GetCollisionShape(INDEX_B); // Build collision ID - SHCollisionID collisionKey; + SHCollisionKey collisionKey; collisionKey.SetEntityA(ID_A); collisionKey.SetEntityB(ID_B); collisionKey.SetCollisionShapeA(INDEX_A); @@ -361,7 +361,7 @@ namespace SHADE auto* shapeB = colliders[ID_B]->GetCollisionShape(INDEX_B); // Build collision ID - SHCollisionID collisionKey; + SHCollisionKey collisionKey; collisionKey.SetEntityA(ID_A); collisionKey.SetEntityB(ID_B); collisionKey.SetCollisionShapeA(INDEX_A); @@ -396,7 +396,7 @@ namespace SHADE narrowphaseBatch.clear(); } - void SHPhysicsWorld::collideTriggers(const SHCollisionID& id, NarrowphasePair& narrowphasePair) noexcept + void SHPhysicsWorld::collideTriggers(const SHCollisionKey& id, NarrowphasePair& narrowphasePair) noexcept { const auto* A = narrowphasePair.A; const auto* B = narrowphasePair.B; @@ -419,7 +419,7 @@ namespace SHADE trigger = triggers.erase(trigger); } - void SHPhysicsWorld::collideManifolds(const SHCollisionID& id, NarrowphasePair& narrowphasePair) noexcept + void SHPhysicsWorld::collideManifolds(const SHCollisionKey& id, NarrowphasePair& narrowphasePair) noexcept { auto* A = narrowphasePair.A; auto* B = narrowphasePair.B; diff --git a/SHADE_Engine/src/Physics/Dynamics/SHPhysicsWorld.h b/SHADE_Engine/src/Physics/Dynamics/SHPhysicsWorld.h index e0e4f796..a0743a30 100644 --- a/SHADE_Engine/src/Physics/Dynamics/SHPhysicsWorld.h +++ b/SHADE_Engine/src/Physics/Dynamics/SHPhysicsWorld.h @@ -113,9 +113,9 @@ namespace SHADE // Collisions - using NarrowphaseBatch = std::unordered_map; - using Manifolds = std::unordered_map; - using Triggers = std::unordered_map; + using NarrowphaseBatch = std::unordered_map; + using Manifolds = std::unordered_map; + using Triggers = std::unordered_map; @@ -155,8 +155,8 @@ namespace SHADE // Narrowphase helpers void runNarrowphase () noexcept; - void collideTriggers (const SHCollisionID& id, NarrowphasePair& narrowphasePair) noexcept; - void collideManifolds (const SHCollisionID& id, NarrowphasePair& narrowphasePair) noexcept; + void collideTriggers (const SHCollisionKey& id, NarrowphasePair& narrowphasePair) noexcept; + void collideManifolds (const SHCollisionKey& id, NarrowphasePair& narrowphasePair) noexcept; void updateCollisionState (bool isColliding, SHCollisionState& state) noexcept; void updateEvents () noexcept; diff --git a/SHADE_Engine/src/Physics/System/SHPhysicsSystem.cpp b/SHADE_Engine/src/Physics/System/SHPhysicsSystem.cpp index 975c561b..65bbc5d4 100644 --- a/SHADE_Engine/src/Physics/System/SHPhysicsSystem.cpp +++ b/SHADE_Engine/src/Physics/System/SHPhysicsSystem.cpp @@ -40,10 +40,6 @@ namespace SHADE eventFunctions[1] = { &SHPhysicsSystem::onComponentRemoved, SH_COMPONENT_REMOVED_EVENT }; eventFunctions[2] = { &SHPhysicsSystem::onSceneInit , SH_SCENE_INIT_POST }; eventFunctions[3] = { &SHPhysicsSystem::onSceneExit , SH_SCENE_EXIT_POST }; - - //#ifdef SHEDITOR - // eventFunctions[4] = { &SHPhysicsSystem::onEditorPlay , SH_EDITOR_ON_PLAY_EVENT }; - //#endif } SHPhysicsSystem::~SHPhysicsSystem() noexcept @@ -178,6 +174,10 @@ namespace SHADE // Create the physics world physicsWorld = new SHPhysicsWorld; + // Immediately add all existing bodies and colliders to the world. + // Since we recreated the scene and the world, the initial data has been reset and determinism is guaranteed. + // Only if the current scene data changes, then so would the results of the simulation. + for (const auto& PHYSICS_OBJECT : physicsObjectManager.GetPhysicsObjects() | std::views::values) { if (PHYSICS_OBJECT.rigidBody) @@ -187,26 +187,6 @@ namespace SHADE physicsWorld->AddCollider(PHYSICS_OBJECT.collider); } - //#ifdef SHEDITOR - - // // Link all entities with the world if editor is already playing. - // // This is for handling scene changes while the editor is active. - // - // const auto* EDITOR = SHSystemManager::GetSystem(); - // if (!EDITOR || EDITOR->editorState != SHEditor::State::PLAY) - // return onSceneInitEvent.get()->handle; - - // for (const auto& PHYSICS_OBJECT : physicsObjectManager.GetPhysicsObjects() | std::views::values) - // { - // if (PHYSICS_OBJECT.rigidBody) - // physicsWorld->AddRigidBody(PHYSICS_OBJECT.rigidBody); - - // if (PHYSICS_OBJECT.collider) - // physicsWorld->AddCollider(PHYSICS_OBJECT.collider); - // } - - //#endif - return onSceneInitEvent.get()->handle; } @@ -262,7 +242,6 @@ namespace SHADE physicsWorld->AddRigidBody(rigidBody); } } - if (IS_COLLIDER) { @@ -323,24 +302,4 @@ namespace SHADE return onComponentRemovedEvent.get()->handle; } -#ifdef SHEDITOR - - SHEventHandle SHPhysicsSystem::onEditorPlay(SHEventPtr onEditorPlayEvent) - { - // Add all physics components to the physics world - for (const auto& PHYSICS_OBJECT : physicsObjectManager.GetPhysicsObjects() | std::views::values) - { - // Add rigid body if it exists - if (PHYSICS_OBJECT.rigidBody) - physicsWorld->AddRigidBody(PHYSICS_OBJECT.rigidBody); - - if (PHYSICS_OBJECT.collider) - physicsWorld->AddCollider(PHYSICS_OBJECT.collider); - } - - return onEditorPlayEvent.get()->handle; - } - -#endif - } // namespace SHADE \ No newline at end of file diff --git a/SHADE_Engine/src/Physics/System/SHPhysicsSystem.h b/SHADE_Engine/src/Physics/System/SHPhysicsSystem.h index f9866ebe..fca12498 100644 --- a/SHADE_Engine/src/Physics/System/SHPhysicsSystem.h +++ b/SHADE_Engine/src/Physics/System/SHPhysicsSystem.h @@ -124,11 +124,7 @@ namespace SHADE /* Data Members */ /*---------------------------------------------------------------------------------*/ - //#ifdef SHEDITOR - // static constexpr int NUM_EVENT_FUNCTIONS = 5; - //#else static constexpr int NUM_EVENT_FUNCTIONS = 4; - //#endif // Event function container for cleanly registering to events EventFunctionPair eventFunctions[NUM_EVENT_FUNCTIONS]; @@ -152,14 +148,5 @@ namespace SHADE SHEventHandle onComponentAdded (SHEventPtr onComponentAddedEvent); SHEventHandle onComponentRemoved (SHEventPtr onComponentRemovedEvent); - - - #ifdef SHEDITOR - - SHEventHandle onEditorPlay (SHEventPtr onEditorPlayEvent); - // We don't need an onEditorStop because on stop exits the scene, which is already handled above. - - #endif - }; } // namespace SHADE \ No newline at end of file