///
//Translates the RenderingManager's camera according to keyboard input
//
//Parameters:
// GO: The game object this state is attached to
// state: the First Person Camera State updating the gameObject
void State_FirstPersonCamera_Translate(GObject* GO, State* state)
{
Camera* cam = RenderingManager_GetRenderingBuffer().camera;
if(InputManager_GetInputBuffer().mouseLock)
{
Vector netMvmtVec;
Vector partialMvmtVec;
Vector_INIT_ON_STACK(netMvmtVec, 3);
Vector_INIT_ON_STACK(partialMvmtVec, 3);
if (InputManager_IsKeyDown('w'))
{
//Get "back" Vector
Matrix_SliceRow(&partialMvmtVec, cam->rotationMatrix, 2, 0, 3);
//Subtract "back" Vector from netMvmtVec
Vector_Decrement(&netMvmtVec, &partialMvmtVec);
//Or in one step but less pretty... Faster though. I think I want readable here for now though.
//Vector_DecrementArray(netMvmtVec.components, Matrix_Index(cam->rotationMatrix, 2, 0), 3);
}
if (InputManager_IsKeyDown('s'))
{
//Get "back" Vector
Matrix_SliceRow(&partialMvmtVec, cam->rotationMatrix, 2, 0, 3);
//Add "back" Vector to netMvmtVec
Vector_Increment(&netMvmtVec, &partialMvmtVec);
}
if (InputManager_IsKeyDown('a'))
{
//Get "Right" Vector
Matrix_SliceRow(&partialMvmtVec, cam->rotationMatrix, 0, 0, 3);
//Subtract "Right" Vector From netMvmtVec
Vector_Decrement(&netMvmtVec, &partialMvmtVec);
}
if (InputManager_IsKeyDown('d'))
{
//Get "Right" Vector
Matrix_SliceRow(&partialMvmtVec, cam->rotationMatrix, 0, 0, 3);
//Add "Right" Vector to netMvmtVec
Vector_Increment(&netMvmtVec, &partialMvmtVec);
}
float dt = TimeManager_GetDeltaSec();
if (Vector_GetMag(&netMvmtVec) > 0.0f && dt > 0.0f)
{
Vector_Normalize(&netMvmtVec);
Vector_Scale(&netMvmtVec, state->members->movementSpeed * dt);
Camera_Translate(cam, &netMvmtVec);
}
}
}
///
//Rotates the rendering manager's camera according to change in mouse position
//
//Parameters:
// GO: The game object this state is attached to
// state: The First person camera state updating the gameObject
void State_FirstPersonCamera_Rotate(GObject* GO, State* state)
{
Camera* cam = RenderingManager_GetRenderingBuffer().camera;
if(InputManager_GetInputBuffer().mouseLock)
{
float dt = TimeManager_GetDeltaSec();
int deltaMouseX = (InputManager_GetInputBuffer().mousePosition[0] - InputManager_GetInputBuffer().previousMousePosition[0]);
int deltaMouseY = (InputManager_GetInputBuffer().mousePosition[1] - InputManager_GetInputBuffer().previousMousePosition[1]);
Vector* axis = Vector_Allocate();
Vector_Initialize(axis, 3);
if (deltaMouseX != 0)
{
axis->components[1] = 1.0f;
Camera_Rotate(cam, axis, state->members->rotationSpeed * deltaMouseX);
axis->components[1] = 0.0f;
}
if (deltaMouseY != 0)
{
axis->components[0] = 1.0f;
Camera_Rotate(cam, axis, state->members->rotationSpeed * deltaMouseY);
axis->components[0] = 0.0f;
}
Vector_Free(axis);
}
}
///
//Updates the object attached to a runner controller
//This object will always accelerate forward while on a surface unless the velocity is already at the max velocity.
//
//Parameters:
// obj: A pointer to the gameobject to update as a runner
// state: A pointer to the runner controller state
void State_RunnerController_Update(GObject* obj, State* state)
{
struct State_RunnerController_Members* members = (struct State_RunnerController_Members*)state->members;
//If the object is colliding with something, allow it to possibly wall run
if(obj->collider->currentCollisions->size > 0)
{
//If the user is pressing RMB
if(InputManager_IsMouseButtonPressed(2))
{
State_RunnerController_Wallrun(obj, state);
}
else if(members->verticalRunning || members->horizontalRunning)
{
//Wall jump
if(members->verticalRunning)
{
members->spinningTimer = 0.0f;
}
State_RunnerController_WallJump(obj, state);
members->verticalRunning = members->horizontalRunning = 0;
}
else
{
if(State_RunnerController_IsOnGround(obj, state))
{
State_RunnerController_Accelerate(obj, state);
}
}
//If the user is pressing LMB
if(InputManager_IsMouseButtonPressed(0))
{
State_RunnerController_Jump(obj, state);
}
}
else if(members->verticalRunning || members->horizontalRunning)
{
//Wall vault
if(members->verticalRunning)
{
State_RunnerController_WallVault(obj, state);
}
members->verticalRunning = members->horizontalRunning = 0;
}
Camera* cam = RenderingManager_GetRenderingBuffer()->camera;
if(members->spinningTimer < members->spinningTime)
{
float dt = TimeManager_GetDeltaSec();
members->spinningTimer += dt;
Camera_ChangeYaw(cam, spinningRate * dt);
}
else
{
//Rotate runner
State_RunnerController_Rotate(obj, state);
}
//Grab the camera
// Set position of Camera to the body
Camera_SetPosition(cam, obj->body->frame->position);
}
///
//Updates a GObject using a Template state
//
//Parameters:
// obj: A pointer to the GObject being updated
// state: A pointer to the state updating the GObject
void State_ParkourController_Update(GObject* obj, State* state)
{
//Get a reference to the state members
struct State_ParkourController_Members* members = (struct State_ParkourController_Members*)state->members;
//If it needs to be updated, update the shoot timer
if(members->shootTimer < members->shootCooldown)
{
float dt = TimeManager_GetDeltaSec();
members->shootTimer += dt;
}
//If the left mouse button is down, shoot
if(InputManager_IsMouseButtonPressed(0))
{
State_ParkourController_Shoot(obj, state);
}
//Get a reference to the camera
Camera* cam = RenderingManager_GetRenderingBuffer()->camera;
//Determine if the object is colliding with anything
if(obj->collider->currentCollisions->size > 0)
{
//Determine if the object is on the ground
if(State_ParkourController_IsOnGround(obj))
{
//Allow the object to accelerate
State_ParkourController_Accelerate(obj, state);
if(InputManager_IsKeyDown(' '))
{
State_ParkourController_Jump(obj, state);
}
}
//If the spacebar is being pressed even if the object is not on the floor
if(InputManager_IsKeyDown(' '))
{
//Attempt to wallrun!
State_ParkourController_Wallrun(obj, state);
}
else if(members->verticalRunning || members->horizontalRunning)
{
//Wall jump!
State_ParkourController_WallJump(obj, state);
//If vertically wallrunning, start spinning right round baby right round!
if(members->verticalRunning) members->spinningTimer = 0.0f;
//The object was wallrunning but now (s)he stopped before the wall ended
members->verticalRunning = members->horizontalRunning = 0;
}
}
else if(members->verticalRunning || members->horizontalRunning)
{
if(members->verticalRunning)
{
State_ParkourController_WallVault(obj, state);
}
//The character was wallrunning but now there is no wall
members->verticalRunning = members->horizontalRunning = 0;
}
//If the parkour controller currently spinning off a wall, let it continue, else let the player rotate the controller
if(members->spinningTimer < members->spinningTime)
{
float dt = TimeManager_GetDeltaSec();
members->spinningTimer += dt;
Camera_ChangeYaw(cam, spinningRate * dt);
}
else
{
//Allow the user to rotate the parkour controller
State_ParkourController_Rotate(state);
}
//Set the position of the camera to match the object
Camera_SetPosition(cam, obj->frameOfReference->position);
}
// Rotation for the character controller
// This should need no changes?
void State_CharacterController_Rotate(GObject* GO, State* state)
{
// create a camera object
Camera* cam = RenderingManager_GetRenderingBuffer()->camera;
//Get members
struct State_CharacterController_Members* members = (struct State_CharacterController_Members*)state->members;
// if player's mouse is locked
if(InputManager_GetInputBuffer().mouseLock)
{
// Gets the time per second
float dt = TimeManager_GetDeltaSec();
int deltaMouseX = (InputManager_GetInputBuffer().mousePosition[0] - InputManager_GetInputBuffer().previousMousePosition[0]);
int deltaMouseY = (InputManager_GetInputBuffer().mousePosition[1] - InputManager_GetInputBuffer().previousMousePosition[1]);
Vector* axis = Vector_Allocate();
Vector_Initialize(axis,3);
if(deltaMouseX != 0)
{
axis->components[1] = 1.0f;
// rotate the camera
//Camera_Rotate(cam,axis,state->members->rotationSpeed * deltaMouseX);
Camera_ChangeYaw(cam, members->rotationSpeed * deltaMouseX);
axis->components[1] = 0.0f;
}
if (deltaMouseY != 0)
{
Vector forwardVector;
Vector_INIT_ON_STACK(forwardVector, 3);
Matrix_SliceRow(&forwardVector, cam->rotationMatrix, 2, 0, 3);
// Keep camera from overextending it's boundaries.
if (deltaMouseY > 0)
{
if (Vector_DotProduct(&forwardVector, &Vector_E2) < 0.7f)
{
axis->components[0] = 1.0f;
Camera_ChangePitch(cam, members->rotationSpeed * deltaMouseY);
axis->components[0] = 0.0f;
}
}
else if (deltaMouseY < 0)
{
if (Vector_DotProduct(&forwardVector, &Vector_E2) > -0.7f)
{
axis->components[0] = 1.0f;
Camera_ChangePitch(cam, members->rotationSpeed * deltaMouseY);
axis->components[0] = 0.0f;
}
}
}
Vector_Free(axis);
}
}
// Create an object in front of the character and fire
// Parameters:
// GO: The object getting passed in, in this case the character
// State: Needed to grab members
void State_CharacterController_ShootBullet(GObject* GO, State* state)
{
//Get members
struct State_CharacterController_Members* members = (struct State_CharacterController_Members*)state->members;
// Camera local
Camera* cam = RenderingManager_GetRenderingBuffer()->camera;
// Gets the time per second
float dt = TimeManager_GetDeltaSec();
members->timer += dt;
if(InputManager_GetInputBuffer().mouseLock)
{
// Create a net movement vector
Vector direction;
Vector_INIT_ON_STACK(direction, 3);
if (InputManager_IsMouseButtonPressed(0) && members->timer >= members->coolDown)
{
//Get "forward" Vector
Matrix_SliceRow(&direction, cam->rotationMatrix, 2, 0, 3);
Vector_Scale(&direction,-1.0f);
// Create the bullet object
GObject* bullet = GObject_Allocate();
GObject_Initialize(bullet);
//bullet->mesh = AssetManager_LookupMesh("Sphere");
bullet->mesh = AssetManager_LookupMesh("Arrow");
bullet->texture = AssetManager_LookupTexture("Arrow");
bullet->body = RigidBody_Allocate();
RigidBody_Initialize(bullet->body, bullet->frameOfReference, 0.45f);
bullet->body->coefficientOfRestitution = 0.2f;
bullet->collider = Collider_Allocate();
ConvexHullCollider_Initialize(bullet->collider);
ConvexHullCollider_MakeRectangularCollider(bullet->collider->data->convexHullData, 0.1f, 2.0f, 0.1f);
//AABBCollider_Initialize(bullet->collider, 2.0f, 2.0f, 2.0f, &Vector_ZERO);
//Lay arrow flat
GObject_Rotate(bullet, &Vector_E1, -3.14159f / 2.0f);
//Construct a rotation matrix to orient bullet
Matrix rot;
Matrix_INIT_ON_STACK(rot, 3, 3);
//Grab 4,4 minor to get 3x3 rotation matrix of camera
Matrix_GetMinor(&rot, cam->rotationMatrix, 3, 3);
//Transpose it to get correct direction
Matrix_Transpose(&rot);
//Rotate the bullet
Matrix_TransformMatrix(&rot, bullet->frameOfReference->rotation);
Matrix_TransformMatrix(&rot, bullet->body->frame->rotation);
Vector vector;
Vector_INIT_ON_STACK(vector,3);
vector.components[0] = 0.9f;
vector.components[1] = 1.0f;
vector.components[2] = 0.9f;
GObject_Scale(bullet, &vector);
Vector translation;
Vector_INIT_ON_STACK(translation, 3);
Vector_GetScalarProduct(&translation, &direction, 2.82843);
GObject_Translate(bullet, GO->frameOfReference->position);
GObject_Translate(bullet, &translation);
Vector_Scale(&direction, 25.0f);
//Vector_Increment(bullet->body->velocity,&direction);
RigidBody_ApplyImpulse(bullet->body,&direction,&Vector_ZERO);
//Add remove state
State* state = State_Allocate();
State_Remove_Initialize(state, 5.0f);
GObject_AddState(bullet, state);
ObjectManager_AddObject(bullet);
members->timer = 0;
}
}
}
// translate the character and his bounding box.
// Parameters:
// GO: The game object this state is attached to (Used for translating the bounding box)
// state: The first person camera state updating the gameObject
void State_CharacterController_Translate(GObject* GO, State* state)
{
Camera* cam = RenderingManager_GetRenderingBuffer()->camera;
//Get members
struct State_CharacterController_Members* members = (struct State_CharacterController_Members*)state->members;
if(InputManager_GetInputBuffer().mouseLock)
{
// Gets the time per second
float dt = TimeManager_GetDeltaSec();
Vector netMvmtVec;
Vector partialMvmtVec;
Vector_INIT_ON_STACK(netMvmtVec, 3);
Vector_INIT_ON_STACK(partialMvmtVec, 3);
if (InputManager_IsKeyDown('w'))
{
//Get "back" Vector
Matrix_SliceRow(&partialMvmtVec, cam->rotationMatrix, 2, 0, 3);
//Subtract "back" Vector from netMvmtVec
Vector_Decrement(&netMvmtVec, &partialMvmtVec);
//Or in one step but less pretty... Faster though. I think I want readable here for now though.
//Vector_DecrementArray(netMvmtVec.components, Matrix_Index(cam->rotationMatrix, 2, 0), 3);
}
if (InputManager_IsKeyDown('s'))
{
//Get "back" Vector
Matrix_SliceRow(&partialMvmtVec, cam->rotationMatrix, 2, 0, 3);
//Add "back" Vector to netMvmtVec
Vector_Increment(&netMvmtVec, &partialMvmtVec);
}
if (InputManager_IsKeyDown('a'))
{
//Get "Right" Vector
Matrix_SliceRow(&partialMvmtVec, cam->rotationMatrix, 0, 0, 3);
//Subtract "Right" Vector From netMvmtVec
Vector_Decrement(&netMvmtVec, &partialMvmtVec);
}
if (InputManager_IsKeyDown('d'))
{
//Get "Right" Vector
Matrix_SliceRow(&partialMvmtVec, cam->rotationMatrix, 0, 0, 3);
//Add "Right" Vector to netMvmtVec
Vector_Increment(&netMvmtVec, &partialMvmtVec);
}
if (Vector_GetMag(&netMvmtVec) > 0.0f)
{
// Get the projection and keep player grounded
Vector perpMvmtVec;
Vector_INIT_ON_STACK(perpMvmtVec, 3);
Vector_GetProjection(&perpMvmtVec, &netMvmtVec, &Vector_E2);
Vector_Decrement(&netMvmtVec, &perpMvmtVec);
// Normalize vector and scale
Vector_Normalize(&netMvmtVec);
Vector_Scale(&netMvmtVec, members->movementSpeed);
//Apply Impulse
RigidBody_ApplyImpulse(GO->body, &netMvmtVec, &Vector_ZERO);
}
}
// If vector is going too fast, the maxspeed will keep it from going faster, by scaling it by maxspeed.
if(Vector_GetMag(GO->body->velocity) >= members->maxSpeed)
{
Vector_Normalize(GO->body->velocity);
Vector_Scale(GO->body->velocity,members->maxSpeed);
}
// Set position of Camera to the body
Camera_SetPosition(cam,GO->body->frame->position);
}
