123 lines
3.3 KiB
C++
123 lines
3.3 KiB
C++
#include "Engine.h"
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#include "Model.h"
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#include "ShipEntity.h"
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#include "RocketEntity.h"
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#include "Controller.h"
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#include "AsteroidsEvents.h"
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#include "coll2d.h"
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namespace asteroids {
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static Engine::Variable var_ship_acceleration ("ship_acceleration", "10");
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static Engine::Variable var_ship_maxspeed ("ship_maxspeed", "10");
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static Engine::Variable var_ship_rotationspeed ("ship_rotationspeed", "180");
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void ShipEntity::Update (float delta_sec) {
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if (!mPhysicState || !mControllerState)
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return;
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// If we die, we have to decrease the fade timer
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if (!mAlive) {
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mFadeTimer -= delta_sec;
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if (mFadeTimer <= 0.) {
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Model *model = (Model*) Engine::EngineGetModel();
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model->SetGameState (GameStatePlayerDied);
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}
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return;
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}
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mState = Idle;
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// the local velocity
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vector3d local_velocity = mPhysicState->mVelocity;
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mPhysicState->LocalizeRotation (local_velocity);
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// set the local velocity as the current state of the keys are
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if (mControllerState->GetKey (EntityKeyStateForward)) {
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local_velocity[0] += delta_sec * var_ship_acceleration.GetFloatValue();
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mState = Accelerating;
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}
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// now transform these to global velocities
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mPhysicState->GlobalizeRotation (local_velocity);
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// now we can update the new global velocity
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mPhysicState->SetVelocity(local_velocity);
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if (mControllerState->GetKey (EntityKeyStateTurnLeft)) {
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mPhysicState->mOrientation[1] += delta_sec * var_ship_rotationspeed.GetFloatValue();
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}
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if (mControllerState->GetKey (EntityKeyStateTurnRight)) {
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mPhysicState->mOrientation[1] -= delta_sec * var_ship_rotationspeed.GetFloatValue();
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}
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// Check for the maximum speed
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float speed = mPhysicState->mVelocity.length();
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if (speed > var_ship_maxspeed.GetFloatValue()) {
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mPhysicState->mVelocity *= var_ship_maxspeed.GetFloatValue() / speed;
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}
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}
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bool ShipEntity::CollisionEvent (Engine::EntityBase* entity) {
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GameEntityType other_type = (GameEntityType) entity->mType;
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if (other_type == GameEntityTypeAsteroid) {
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Engine::LogMessage ("You died!");
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mPhysicState->mStatic = true;
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mAlive = false;
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mFadeTimer = 3.;
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mState = Dying;
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Engine::EventBasePtr explode_event (new Engine::EventBase());
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explode_event->mEventType = EventShipExplode;
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explode_event->mEventUnsignedInt = mId;
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QueueEvent (explode_event);
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return true;
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} else if (other_type == GameEntityTypeRocket) {
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Engine::LogMessage ("You just killed yourself!");
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mPhysicState->mStatic = true;
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mAlive = false;
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mFadeTimer = 1.;
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mState = Dying;
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return true;
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}
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return false;
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}
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void ShipEntity::Attack () {
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if (!mAlive)
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return;
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Engine::LogMessage ("ATTACK");
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Engine::EntityPhysicState* entity_physic = Engine::GetEntityPhysicState (mId);
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vector3d attack_dir (1., 0., 0.);
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entity_physic->GlobalizeRotation (attack_dir);
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RocketEntity *rocket_entity = (RocketEntity*) Engine::CreateEntity (GameEntityTypeRocket);
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rocket_entity->mSecToLive = 1.75;
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RocketEntityPhysicState *rocket_physics = (RocketEntityPhysicState*) rocket_entity->mPhysicState;
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rocket_physics->mPosition = attack_dir;
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rocket_physics->mPosition *= mPhysicState->mRadius;
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rocket_physics->mPosition += entity_physic->mPosition;
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rocket_physics->mOrientation = entity_physic->mOrientation;
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rocket_physics->mVelocity = attack_dir.normalize();
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rocket_physics->mVelocity *= var_ship_maxspeed.GetFloatValue() + 0.1;
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}
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}
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