JAMSPOOK-13 - Acceleration and reverse

- Can now accelerate and reverse in the direction the car is pointing in.

src/JamSpookGame.cpp

@@ -242,17 +242,17 @@ void JamSpookGame::set()
 //    delete floorFactory;
 //
 
-    // Create 2 jump180s
-    unique_ptr<Jump180Factory> jump180Factory = make_unique<Jump180Factory>(
-            dynamic_pointer_cast<AssetSystem>(findSystem(IDCache::get("AssetSystem"))),
-            graphicsSystem,
-            dynamic_pointer_cast<PhysicsSystem>(findSystem(IDCache::get("PhysicsSystem"))),
-            renderLayerGame);
-
-    jump180Factory->createJump180(vec3(0, 0, 0), vec3(0, 0, 0));
-    jump180Factory->createJump180(vec3(18,-10, 12), vec3(0, 180, 0));
-
-    jump180Factory.reset();
+//    // Create 2 jump180s
+//    unique_ptr<Jump180Factory> jump180Factory = make_unique<Jump180Factory>(
+//            dynamic_pointer_cast<AssetSystem>(findSystem(IDCache::get("AssetSystem"))),
+//            graphicsSystem,
+//            dynamic_pointer_cast<PhysicsSystem>(findSystem(IDCache::get("PhysicsSystem"))),
+//            renderLayerGame);
+//
+//    jump180Factory->createJump180(vec3(0, 0, 0), vec3(0, 0, 0));
+//    jump180Factory->createJump180(vec3(18,-10, 12), vec3(0, 180, 0));
+//
+//    jump180Factory.reset();
 
     // Create the goal
     unique_ptr<GoalFactory> goalFactory = make_unique<GoalFactory>(
@@ -261,7 +261,8 @@ void JamSpookGame::set()
             dynamic_pointer_cast<PhysicsSystem>(findSystem(IDCache::get("PhysicsSystem"))),
             renderLayerGame);
 
-    goalFactory->createGoal(vec3(0, -25, -10));
+//    goalFactory->createGoal(vec3(0, -25, -10));
+    goalFactory->createGoal(vec3(0, 0, 0));
 
     goalFactory.reset();
 
@@ -285,6 +286,7 @@ void JamSpookGame::set()
             dynamic_pointer_cast<AssetSystem>(findSystem(IDCache::get("AssetSystem"))),
             graphicsSystem,
             dynamic_pointer_cast<PhysicsSystem>(findSystem(IDCache::get("PhysicsSystem"))),
+            dynamic_pointer_cast<InteractionSystem>(findSystem(IDCache::get("InteractionSystem"))),
             renderLayerGame);
 
     kartFactory->createKart(vec3(0, 3, 0),  // position

src/entities/KartFactory.cpp

@@ -12,10 +12,12 @@ namespace JamSpook {
 KartFactory::KartFactory(weak_ptr<AssetSystem>       assetSystem,
                          weak_ptr<GraphicsSystem>    graphicsSystem,
                          weak_ptr<PhysicsSystem>     physicsSystem,
+                         weak_ptr<InteractionSystem> interactionSystem,
                          weak_ptr<RenderLayer>       renderLayer):
         mAssetSystem(assetSystem),
         mGraphicsSystem(graphicsSystem),
         mPhysicsSystem(physicsSystem),
+        mInteractionSystem(interactionSystem),
         mRenderLayer(renderLayer)
 {}
 
@@ -98,6 +100,13 @@ shared_ptr<Entity> KartFactory::createKart(const vec3 position,
     graphicsComponent->setLightSource(lightSource);
     delete lightSourceFactory;
 
+    // Add interaction component
+    shared_ptr<KartInteractionComponent> interactionComponent =
+            make_shared<KartInteractionComponent>(transform,
+                                                  entity,
+                                                  getShared(mInteractionSystem));
+    entity->addComponent(interactionComponent);
+
     // Return instance
     return entity;
 }

src/entities/KartFactory.h

@@ -55,7 +55,10 @@
 #include <ecos/graphics/ModelRenderableFactory.h>
 #include <ecos/graphics/ShaderType.h>
 
+#include <ecos/interaction/InteractionSystem.h>
+
 #include "KartPhysicsComponent.h"
+#include "KartInteractionComponent.h"
 
 namespace JamSpook {
 
@@ -110,6 +113,8 @@ using ecos::graphics::ModelRenderable;
 using ecos::graphics::lighting::LightSource;
 using ecos::graphics::lighting::LightSourceFactory;
 
+using ecos::interaction::InteractionSystem;
+
 using ecos::physics::PhysicsSystem;
 using ecos::physics::PhysicsComponent;
 using ecos::physics::ColliderFactory;
@@ -122,12 +127,14 @@ private:
     weak_ptr<AssetSystem>        mAssetSystem;
     weak_ptr<GraphicsSystem>     mGraphicsSystem;
     weak_ptr<PhysicsSystem>      mPhysicsSystem;
+    weak_ptr<InteractionSystem>  mInteractionSystem;
     weak_ptr<RenderLayer>        mRenderLayer;
 
 public:
     KartFactory(weak_ptr<AssetSystem>        assetSystem,
                 weak_ptr<GraphicsSystem>     graphicsSystem,
                 weak_ptr<PhysicsSystem>      physicsSystem,
+                weak_ptr<InteractionSystem>  interactionSystem,
                 weak_ptr<RenderLayer>        renderLayer);
     virtual ~KartFactory();
 

src/entities/KartInteractionComponent.cpp

@@ -0,0 +1,114 @@
+/*
+ * KartInteractionComponent.cpp
+ *
+ *  Created on: Aug 19, 2020
+ *      Author: fredrick
+ */
+
+#include "KartInteractionComponent.h"
+
+namespace JamSpook {
+
+KartInteractionComponent::KartInteractionComponent(mat4 transform,
+                                                   shared_ptr<BroadcastObservable<shared_ptr<Message> > > entity,
+                                                   weak_ptr<InteractionSystem> interactionSystem):
+        InteractionComponent(transform, entity, interactionSystem),
+        mOldDirection(vec3(0)),
+        mIsOnGround(false)
+{}
+
+KartInteractionComponent::~KartInteractionComponent()
+{}
+
+void KartInteractionComponent::onInputDeviceStateChange(const InputDeviceState inputDeviceState)
+{
+    Log::write(LogLevel::debug, "KartInteractionComponent - onInputDeviceStateChange");
+
+    vec3 accumulatedDirection = vec3(0);
+
+    // Handle controls
+    if (inputDeviceState.left == ButtonState::pressed || inputDeviceState.left == ButtonState::held)
+    {
+        accumulatedDirection += vec3(-1.0f, 0, 0);
+    }
+    else if (inputDeviceState.left == ButtonState::released)
+    {
+        accumulatedDirection -= vec3(-1.0f, 0, 0);
+    }
+
+    if (inputDeviceState.right == ButtonState::pressed || inputDeviceState.right == ButtonState::held)
+    {
+        accumulatedDirection += vec3(1.0f, 0, 0);
+    }
+    else if (inputDeviceState.right == ButtonState::released)
+    {
+        accumulatedDirection -= vec3(1.0f, 0, 0);
+    }
+
+    if (inputDeviceState.up == ButtonState::pressed || inputDeviceState.up == ButtonState::held)
+    {
+        accumulatedDirection += vec3(0, 0, 1.0f);
+    }
+    else if (inputDeviceState.up == ButtonState::released)
+    {
+        accumulatedDirection -= vec3(0, 0, 1.0f);
+    }
+
+    if (inputDeviceState.down == ButtonState::pressed || inputDeviceState.down == ButtonState::held)
+    {
+        accumulatedDirection += vec3(0, 0, -1.0f);
+    }
+    else if (inputDeviceState.down == ButtonState::released)
+    {
+        accumulatedDirection -= vec3(0, 0, -1.0f);
+    }
+
+
+    if (inputDeviceState.action == ButtonState::pressed)
+    {
+        // if on ground (can jump)
+        if (mIsOnGround)
+        {
+            // Send jump message, containing current position
+            ICCBroadcast(dynamic_pointer_cast<Message>(
+                    make_shared<JumpMessage>(getTranslation(mTransform))));
+        }
+    }
+
+    if (inputDeviceState.up == ButtonState::neutral &&
+        inputDeviceState.down == ButtonState::neutral &&
+        inputDeviceState.left == ButtonState::neutral &&
+        inputDeviceState.right == ButtonState::neutral)
+    {
+        accumulatedDirection = vec3(0);
+    }
+
+    if (accumulatedDirection != mOldDirection)
+    {
+            ICCBroadcast(dynamic_pointer_cast<Message>(
+                    make_shared<messages::DirectionChangeMessage>(
+                            getTranslation(mTransform),
+                            mOldDirection,
+                            accumulatedDirection)));
+    }
+    mOldDirection = accumulatedDirection;
+}
+
+void KartInteractionComponent::onICCMessage(shared_ptr<Message> message)
+{
+    InteractionComponent::onICCMessage(message);
+
+    // Jump message, make the kart jump
+    if (message->getMessageType() == IDCache::get("GroundCollisionMessage"))
+    {
+        Log::write(LogLevel::debug, "KartInteractionComponent - onICCMessage - GroundCollisionMessage");
+        mIsOnGround = true;
+    }
+    if (message->getMessageType() == IDCache::get("GroundSeparationMessage"))
+    {
+        Log::write(LogLevel::debug, "KartInteractionComponent - onICCMessage - GroundSeparationMessage");
+        mIsOnGround = false;
+    }
+}
+
+} // namespace JamSpook

src/entities/KartInteractionComponent.h

@@ -0,0 +1,87 @@
+/*
+ * KartInteractionComponent.h
+ *
+ *  Created on: Aug 19, 2020
+ *      Author: fredrick
+ */
+
+#ifndef KARTINTERACTIONCOMPONENT_H_
+#define KARTINTERACTIONCOMPONENT_H_
+
+#include <chrono>
+#include <memory>
+#include <string>
+
+#define GLM_FORCE_RADIANS
+#include <glm/glm.hpp>
+#include <glm/gtc/matrix_transform.hpp>
+
+#include <ecos/utility/Math.h>
+
+#include <ecos/core/IDCache.h>
+#include <ecos/core/Log.h>
+#include <ecos/core/BroadcastObservable.h>
+#include <ecos/core/Message.h>
+
+#include <ecos/physics/TransformChangeMessage.h>
+
+#include <ecos/interaction/InteractionSystem.h>
+#include <ecos/interaction/InteractionComponent.h>
+
+#include "../messages/DirectionChangeMessage.h"
+#include "../messages/JumpMessage.h"
+
+namespace JamSpook {
+
+using std::chrono::milliseconds;
+using std::shared_ptr;
+using std::make_shared;
+using std::weak_ptr;
+using std::dynamic_pointer_cast;
+
+using glm::vec3;
+using glm::mat4;
+using glm::translate;
+using glm::rotate;
+using glm::radians;
+
+using ecos::utility::getTranslation;
+
+using ecos::core::IDCache;
+using ecos::core::logging::Log;
+using ecos::core::logging::LogLevel;
+using ecos::core::BroadcastObservable;
+using ecos::core::Message;
+
+using ecos::physics::TransformChangeMessage;
+
+using ecos::interaction::InteractionSystem;
+using ecos::interaction::InputDeviceState;
+using ecos::interaction::ButtonState;
+using ecos::interaction::InteractionComponent;
+
+using messages::DirectionChangeMessage;
+using messages::JumpMessage;
+
+/// Kart interaction component
+/// entity specific interaction system code
+class KartInteractionComponent :
+        public InteractionComponent
+{
+private:
+    vec3 mOldDirection; ///< Used to construct the DirectionChangeMessaage
+    bool mIsOnGround;
+
+public:
+    KartInteractionComponent(mat4 transform,
+                             shared_ptr<BroadcastObservable<shared_ptr<Message> > > entity,
+                             weak_ptr<InteractionSystem> wInteractionSystem);
+    virtual ~KartInteractionComponent();
+
+    virtual void onInputDeviceStateChange(const InputDeviceState inputDeviceState);
+    virtual void onICCMessage(shared_ptr<Message> message);
+};
+
+} // namespace JamSpook
+
+#endif // KARTINTERACTIONCOMPONENT_H_

src/entities/KartPhysicsComponent.cpp

@@ -37,20 +37,56 @@ void KartPhysicsComponent::update(const milliseconds dtms)
                 		 10, /// above the ball
 						 getFloatInRange(-10.0f, 10.0f)));
     }
+
+    if (glm::length(mDirection) > 0)
+    {
+        // Forward or backwards force
+        mCollider->applyForce(mat3(mTransform) * vec3(0, 0, mDirection.z * 500),
+                              vec3(0, 0, 0));
+
+        // Turning torque
+
+    }
 }
 
 void KartPhysicsComponent::onICCMessage(shared_ptr<Message> message)
 {
     PhysicsComponent::onICCMessage(message);
+
+    // DirectionChangeMessage
+    if (message->getMessageType() == IDCache::get("DirectionChangeMessage"))
+    {
+        Log::write(LogLevel::debug, "KartPhysicsComponent - onICCMessage - DirectionChangeMessage - getNewDirection: " + glm::to_string(mDirection));
+
+        shared_ptr<DirectionChangeMessage> msg = dynamic_pointer_cast<DirectionChangeMessage>(message);
+        mDirection = msg->getNewDirection();
+    }
+
+    // Jump message, make the kart jump
+    if (message->getMessageType() == IDCache::get("JumpMessage"))
+    {
+        Log::write(LogLevel::debug, "KartPhysicsComponent - onICCMessage - JumpMessage");
+
+        // shared_ptr<JumpMessage> msg = dynamic_pointer_cast<JumpMessage>(message);
+        // Does not use any data in message, skip casting, but leave code as reference
+
+        mCollider->applyImpulse(vec3(0, 1000, 0), vec3(0, 0, 0));
+    }
 }
 
 void KartPhysicsComponent::onCollision(const string& tag)
 {
-    if (tag == "ground-plane")
+    if (tag == "goal")
     {
-        vec3 position = getPosition();
-        setPosition(vec3(position.x, 10.0f, position.z));
-        ICCBroadcast(make_shared<Message>(IDCache::get("GroundContactMessage")));
+        ICCBroadcast(make_shared<Message>(IDCache::get("GroundCollisionMessage")));
+    }
+}
+
+void KartPhysicsComponent::onSeparation(const string& tag)
+{
+    if (tag == "goal")
+    {
+        ICCBroadcast(make_shared<Message>(IDCache::get("GroundSeparationMessage")));
     }
 }
 

src/entities/KartPhysicsComponent.h

@@ -15,7 +15,9 @@
 
 #include <glm/glm.hpp>
 #include <glm/gtc/matrix_transform.hpp>
+#include <glm/gtx/string_cast.hpp>
 
+#include <ecos/utility/Math.h>
 #include <ecos/utility/Random.h>
 
 #include <ecos/core/IDCache.h>
@@ -30,6 +32,9 @@
 #include <ecos/physics/PhysicsComponent.h>
 #include <ecos/physics/Collider.h>
 
+#include "../messages/DirectionChangeMessage.h"
+#include "../messages/JumpMessage.h"
+
 namespace JamSpook {
 
 using std::chrono::milliseconds;
@@ -40,10 +45,14 @@ using std::dynamic_pointer_cast;
 using std::string;
 
 using glm::vec3;
+using glm::vec4;
+using glm::mat3;
 using glm::mat4;
 using glm::translate;
 using glm::scale;
+using glm::rotate;
 
+using ecos::utility::getDirection;
 using ecos::utility::getFloatInRange;
 
 using ecos::core::IDCache;
@@ -59,10 +68,16 @@ using ecos::physics::TransformChangeMessage;
 using ecos::physics::CollisionStateChangeMessage;
 using ecos::physics::ColliderQueryMessage;
 
+using messages::DirectionChangeMessage;
+using messages::JumpMessage;
+
 ///
 class KartPhysicsComponent:
         public ecos::physics::PhysicsComponent
 {
+private:
+    vec3 mDirection;
+
 public:
     KartPhysicsComponent(mat4 transform,
                          shared_ptr<BroadcastObservable<shared_ptr<Message> > > entity,
@@ -75,6 +90,7 @@ public:
     virtual void update(const milliseconds dtms);
     virtual void onICCMessage(shared_ptr<Message> message);
     virtual void onCollision(const string& tag);
+    virtual void onSeparation(const string& tag);
 };
 
 } // namespace JamSpook

src/messages/JumpMessage.cpp

@@ -0,0 +1,28 @@
+/*
+ * JumpMessage.cpp
+ *
+ *  Created on: Oct 20, 2018
+ *      Author: fredrick
+ */
+
+#include "JumpMessage.h"
+
+namespace JamSpook {
+namespace messages {
+
+
+JumpMessage::JumpMessage(const vec3 position):
+        Message(IDCache::add("JumpMessage")),
+        mPosition(position)
+{}
+
+JumpMessage::~JumpMessage()
+{}
+
+const vec3 JumpMessage::getPosition() const
+{
+    return mPosition;
+}
+
+} // namespace messages
+} // namespace JamSpook

src/messages/JumpMessage.h

@@ -0,0 +1,41 @@
+/*
+ * JumpMessage.h
+ *
+ *  Created on: Aug 19, 2020
+ *      Author: fredrick
+ */
+
+#ifndef JUMPMESSAGE_H_
+#define JUMPMESSAGE_H_
+
+#include <glm/glm.hpp>
+
+#include <ecos/core/IDCache.h>
+#include <ecos/core/Message.h>
+
+namespace JamSpook {
+namespace messages {
+
+using glm::vec3;
+using ecos::core::IDCache;
+using ecos::core::Message;
+
+/// Jump message
+/// Used to inform systems about a jump action being initiated
+class JumpMessage :
+        public Message
+{
+private:
+    vec3 mPosition; ///< Where the jump occured
+    
+public:
+    JumpMessage(const vec3 position);
+    virtual ~JumpMessage();
+    
+    const vec3 getPosition() const;
+};
+
+} // namespace messages
+} // namespace JamSpook
+
+#endif // JUMPMESSAGE_H_