static void State_ParkourController_Rotate(State* state) { //Get a reference to the camera Camera* cam = RenderingManager_GetRenderingBuffer()->camera; //Grab the state members struct State_ParkourController_Members* members = (struct State_ParkourController_Members*)state->members; //If the player's mouse is locked if(InputManager_GetInputBuffer().mouseLock) { //Get the change in mouse position int deltaMouseX = (InputManager_GetInputBuffer().mousePosition[0] - InputManager_GetInputBuffer().previousMousePosition[0]); int deltaMouseY = (InputManager_GetInputBuffer().mousePosition[1] - InputManager_GetInputBuffer().previousMousePosition[1]); //If there is X rotation if(deltaMouseX != 0) { //Rotate the camera Camera_ChangeYaw(cam, (float)deltaMouseX * members->angularVelocity); } //If there is Y rotation if(deltaMouseY != 0) { //TODO: Prevent camera from looking "Too high" //Rotate the camera Camera_ChangePitch(cam, (float)deltaMouseY * members->angularVelocity); } } }
/// //Rotates the runner controller // obj: A pointer to the game object to rotate // state: A pointer to the runner controller rotating the object void State_RunnerController_Rotate(GObject* obj, State* state) { // create a camera object Camera* cam = RenderingManager_GetRenderingBuffer()->camera; //Grab the state members struct State_RunnerController_Members* members = (struct State_RunnerController_Members*)state->members; // if player's mouse is locked if(InputManager_GetInputBuffer().mouseLock) { 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_ChangeYaw(cam, members->angularVelocity * 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->angularVelocity * 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->angularVelocity * deltaMouseY); axis->components[0] = 0.0f; } } } } }
/// //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); } }
void State_ParkourController_Shoot(GObject* obj, State* state) { //Get the members of the state struct State_ParkourController_Members* members = (struct State_ParkourController_Members*)state->members; //Get a reference to the camera Camera* cam = RenderingManager_GetRenderingBuffer()->camera; if(InputManager_GetInputBuffer().mouseLock) { //IF we can shoot again if(members->shootTimer >= members->shootCooldown) { //Get the forward vector of the camera Vector direction; Vector_INIT_ON_STACK(direction, 3); Matrix_SliceRow(&direction, cam->rotationMatrix, 2, 0, 3); Vector_Scale(&direction, -1.0f); //Create the bullet object GObject* bullet = GObject_Allocate(); GObject_Initialize(bullet); //Set the appearance bullet->mesh = AssetManager_LookupMesh("Cube"); //bullet->texture = AssetManager_LookupTexture("White"); bullet->material = Material_Allocate(); Material_Initialize(bullet->material, AssetManager_LookupTexture("Jacob")); //*Matrix_Index(bullet->material->colorMatrix, 1, 1) = 0.0f; //*Matrix_Index(bullet->material->colorMatrix, 2, 2) = 0.0f; //Create ridgid body bullet->body = RigidBody_Allocate(); RigidBody_Initialize(bullet->body, bullet->frameOfReference, 1.0f); bullet->body->coefficientOfRestitution = 0.2f; bullet->body->rollingResistance = 0.2f; bullet->body->staticFriction = 0.4f; bullet->body->dynamicFriction = 0.2f; //Create collider bullet->collider = Collider_Allocate(); ConvexHullCollider_Initialize(bullet->collider); ConvexHullCollider_MakeRectangularCollider(bullet->collider->data->convexHullData, 2.0f, 2.0f, 2.0f); //Position bullet Vector transform; Vector_INIT_ON_STACK(transform, 3); Vector_GetScalarProduct(&transform, &direction, 2.8243f); Vector_Increment(&transform, obj->frameOfReference->position); GObject_Translate(bullet, &transform); Vector_Copy(&transform, &Vector_ZERO); transform.components[2] = 1.0f; GObject_Rotate(bullet, &transform, 3.14159f); //Scale bullet Vector_Copy(&transform, &Vector_ZERO); transform.components[0] = transform.components[1] = transform.components[2] = 0.5f; GObject_Scale(bullet, &transform); //Apply impulse Vector_Scale(&direction, 25.0f); RigidBody_ApplyImpulse(bullet->body, &direction, &Vector_ZERO); //Add the remove state State* state = State_Allocate(); State_Remove_Initialize(state, 7.0f); GObject_AddState(bullet, state); //Add the bullet to the world ObjectManager_AddObject(bullet); //Set shoot timer to 0 members->shootTimer = 0.0f; } } }
// 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); }