648 lines
18 KiB
C++
648 lines
18 KiB
C++
#include "View.h"
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#include "CameraBase.h"
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#include "SimpleConsoleOverlay.h"
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#include "IMGUIControls.h"
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#include "Engine.h"
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#include "Physics.h"
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#include "Model.h"
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#include "Controller.h"
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#include "EventBase.h"
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#include "Game.h"
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#include "ShipEntity.h"
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#include "AsteroidEntity.h"
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#include "AsteroidsEvents.h"
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#include "RocketEntity.h"
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#include <GL/gl.h>
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#include <GL/glu.h>
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// #define DRAW_BOUNDARIES
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#ifdef DRAW_BOUNDARIES
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#include "coll2d.h"
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#include "DrawingsGL.h"
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#endif
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using namespace std;
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namespace asteroids {
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int View::OnInit (int argc, char* argv[]) {
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ViewBase::OnInit (argc, argv);
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/*
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// We want the console
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mConsoleOverlay = boost::shared_ptr<Engine::SimpleConsoleOverlay> (new Engine::SimpleConsoleOverlay);
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// We also want to display the log bar
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mConsoleOverlay->SetDrawLogBar (true);
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mOverlayManager.Register (mConsoleOverlay, GameStateMainMenu);
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*/
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LoadFont("AldotheApache.ttf size=20 color=#000000");
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// This is a simple star field that makes the game so spacy
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int i;
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for (i = 0; i < 200; i++) {
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BackgroundStar star;
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star.position[0] = rand() / float(RAND_MAX);
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star.position[1] = rand() / float(RAND_MAX);
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star.position[2] = rand() / float(RAND_MAX);
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mBackgroundStars.push_back (star);
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}
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mGUIShipSprite.LoadFromPNG("./data/textures/ship.png");
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mGUIShipSprite.SetScale (0.1);
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mAsteroidSprite.LoadFromPNG ("./data/textures/asteroid.png");
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mShipSprite.LoadFromPNG ("./data/textures/ship.png");
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mShipThrustSprite.LoadFromPNG ("./data/textures/ship_thrust.png");
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mShipThrustSprite.SetAnimation (4, 8);
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mShipPartsSprite.LoadFromPNG ("./data/textures/ship_parts.png");
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mShipPartsSprite.SetSubSpriteCount (10);
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Engine::RegisterListener (this, EventAccelerateStart);
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Engine::RegisterListener (this, EventAccelerateStop);
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Engine::RegisterListener (this, EventShipExplode);
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return 0;
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}
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void View::OnDestroy() {
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mBackgroundStars.clear();
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mShipPartsEntityIds.clear();
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Engine::ViewBase::OnDestroy();
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}
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bool View::OnReceiveEvent (const Engine::EventBasePtr &event) {
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switch (event->mEventType) {
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case EventAccelerateStart:
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case EventAccelerateStop:
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if (event->mEventType == EventAccelerateStart)
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mShipThrustSprite.ResetAnimation();
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Engine::LogDebug ("Received Acceleration Event: %d", event->mEventType);
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return true;
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break;
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case EventShipExplode:
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if (event->mEventType == EventShipExplode) {
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Engine::EntityBase *ship_entity = Engine::GetEntity (event->mEventUnsignedInt);
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vector3d position = ship_entity->mPhysicState->mPosition;
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vector3d orientation = ship_entity->mPhysicState->mOrientation;
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vector3d velocity = ship_entity->mPhysicState->mVelocity;
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unsigned int i;
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mShipPartsEntityIds.clear();
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for (i = 0; i < mShipPartsSprite.GetSubSpriteCount(); i++) {
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Engine::EntityBase* part_sprite_particle = Engine::CreateEntity (GameEntityTypeShipPart);
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part_sprite_particle->mPhysicState->mPosition = position;
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part_sprite_particle->mPhysicState->mOrientation = orientation;
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part_sprite_particle->mPhysicState->mVelocity = velocity;
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part_sprite_particle->mPhysicState->mVelocity = vector3d (velocity[0] * (rand()/float(RAND_MAX)) * 1.7, 0., velocity[2] * (rand()/float(RAND_MAX)) * 1.5);
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part_sprite_particle->mPhysicState->mAngleVelocity = (rand()/float(RAND_MAX) - 0.5 ) * 100.;
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mShipPartsEntityIds.push_back(part_sprite_particle->mId);
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}
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}
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Engine::LogDebug ("Received Ship Explode Event: %d", event->mEventType);
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return true;
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break;
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default: Engine::LogWarning ("Received Event with type %d but don't know what to do with it!", event->mEventType);
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break;
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}
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return false;
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}
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/*
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* Module specific functions
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*/
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void View::UpdateCamera () {
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mCamera->SetEye (
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0.,
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9.5,
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0.
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);
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mCamera->SetPointOfIntrest (
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0.,
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0.,
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0.
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);
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mCamera->SetUp (
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0.,
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0.,
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-1.
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);
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mCamera->Update ();
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}
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void View::DrawStars() {
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unsigned int i;
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float world_width, world_height;
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world_width = static_cast<Model*>(mModel)->GetWorldWidth();
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world_height = static_cast<Model*>(mModel)->GetWorldHeight();
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vector3d velocity (1., 0., 0.);
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glPushMatrix();
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glTranslatef(-world_width * 0.5, 0, -world_height * 0.5);
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glColor3f (1., 1., 1.);
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glPointSize(2.);
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glBegin(GL_POINTS);
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float z_value;
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for (i = 0; i < mBackgroundStars.size(); i++) {
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// glPointSize (2. + 300. *mBackgroundStars.at(i).position[1]);
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z_value = mBackgroundStars.at(i).position[1] + 0.1;
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glColor3f (z_value, z_value, z_value);
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glVertex3f (mBackgroundStars.at(i).position[0] * world_width,
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-1.,
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mBackgroundStars.at(i).position[2] * world_height);
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mBackgroundStars.at(i).position -= vector3d(Engine::GetFrameDuration() * 0.7 * mBackgroundStars.at(i).position[1] / world_width, 0., 0.);
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if (mBackgroundStars.at(i).position[0] < 0.)
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mBackgroundStars.at(i).position[0] += 1.;
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if (mBackgroundStars.at(i).position[0] >= 1.)
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mBackgroundStars.at(i).position[0] -= 1.;
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}
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glEnd();
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glPopMatrix();
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}
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void View::Draw() {
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PreDraw();
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// Actual Drawing
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UpdateCamera ();
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if (mDrawGrid)
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DrawGrid ();
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/*
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if (mDrawAxis)
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DrawAxis ();
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*/
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DrawWorld ();
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DrawUi ();
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// mOverlayManager.Draw();
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// Perform post-Draw actions
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PostDraw();
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}
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void View::DrawWorld() {
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std::map<unsigned int, Engine::EntityBase*>::iterator entity_iterator;
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Model *game_model = static_cast<Model*> (mModel);
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DrawStars ();
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if ( game_model->GetGameState() != GameStateRunning) {
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return;
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}
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ViewBase::DrawWorld();
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for (entity_iterator = game_model->mEntities.begin ();
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entity_iterator != game_model->mEntities.end();
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entity_iterator++) {
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Engine::EntityBase* entity = entity_iterator->second;
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// Perform multiple drawing if the entity is at the border
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Physics* game_physics = (Physics*) game_model->mPhysics;
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float world_width = game_physics->GetWorldWidth();
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float world_height = game_physics->GetWorldHeight();
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// Drawing at the original position:
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glPushMatrix ();
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glTranslatef (entity->mPhysicState->mPosition[0],
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entity->mPhysicState->mPosition[1],
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entity->mPhysicState->mPosition[2]);
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glRotatef(entity->mPhysicState->mOrientation[0], 0., 0., 1.);
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glRotatef(entity->mPhysicState->mOrientation[1], 0., 1., 0.);
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glRotatef(entity->mPhysicState->mOrientation[2], 1., 0., 0.);
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glColor3f (1., 1., 1.);
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DrawEntity (entity);
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glPopMatrix ();
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// If we move out the right side
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if (entity->mPhysicState->mPosition[0] + entity->mPhysicState->mRadius * 2
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>= world_width * 0.5) {
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glPushMatrix ();
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glTranslatef (entity->mPhysicState->mPosition[0] - world_width,
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entity->mPhysicState->mPosition[1],
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entity->mPhysicState->mPosition[2]);
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glRotatef(entity->mPhysicState->mOrientation[0], 0., 0., 1.);
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glRotatef(entity->mPhysicState->mOrientation[1], 0., 1., 0.);
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glRotatef(entity->mPhysicState->mOrientation[2], 1., 0., 0.);
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glColor3f (1., 1., 1.);
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DrawEntity (entity);
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glPopMatrix ();
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}
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// if we move out the left side
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if (entity->mPhysicState->mPosition[0] - entity->mPhysicState->mRadius * 2
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< - world_width * 0.5) {
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glPushMatrix ();
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glTranslatef (entity->mPhysicState->mPosition[0] + world_width,
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entity->mPhysicState->mPosition[1],
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entity->mPhysicState->mPosition[2]);
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glRotatef(entity->mPhysicState->mOrientation[0], 0., 0., 1.);
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glRotatef(entity->mPhysicState->mOrientation[1], 0., 1., 0.);
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glRotatef(entity->mPhysicState->mOrientation[2], 1., 0., 0.);
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glColor3f (1., 1., 1.);
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DrawEntity (entity);
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glPopMatrix ();
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}
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// If we move out the bottom side
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if (entity->mPhysicState->mPosition[2] + entity->mPhysicState->mRadius * 2
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>= world_height * 0.5) {
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glPushMatrix ();
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glTranslatef (entity->mPhysicState->mPosition[0],
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entity->mPhysicState->mPosition[1],
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entity->mPhysicState->mPosition[2] - world_height);
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glRotatef(entity->mPhysicState->mOrientation[0], 0., 0., 1.);
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glRotatef(entity->mPhysicState->mOrientation[1], 0., 1., 0.);
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glRotatef(entity->mPhysicState->mOrientation[2], 1., 0., 0.);
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glColor3f (1., 1., 1.);
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DrawEntity (entity);
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glPopMatrix ();
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}
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// if we move out the left side
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if (entity->mPhysicState->mPosition[2] - entity->mPhysicState->mRadius * 2
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< - world_height* 0.5) {
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glPushMatrix ();
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glTranslatef (entity->mPhysicState->mPosition[0],
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entity->mPhysicState->mPosition[1],
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entity->mPhysicState->mPosition[2] + world_height);
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glRotatef(entity->mPhysicState->mOrientation[0], 0., 0., 1.);
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glRotatef(entity->mPhysicState->mOrientation[1], 0., 1., 0.);
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glRotatef(entity->mPhysicState->mOrientation[2], 1., 0., 0.);
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glColor3f (1., 1., 1.);
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DrawEntity (entity);
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glPopMatrix ();
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}
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}
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}
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/*
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* Userinterface
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*/
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void View::DrawUi () {
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glClearColor (0.1, 0.1, 0.1, 1.);
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screen_right = static_cast<float> (Engine::GetWindowWidth());
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screen_bottom = static_cast<float> (Engine::GetWindowHeight());
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// we switch to orthographic projection and draw the contents of the 2d
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// overlay on top of the previous drawings
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glMatrixMode (GL_PROJECTION);
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glPushMatrix ();
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glLoadIdentity ();
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// first we have to get the size of the current viewport to set up the
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// orthographic projection correctly
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GLint viewport[4];
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glGetIntegerv(GL_VIEWPORT, viewport);
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gluOrtho2D (viewport[0], viewport[2], viewport[3], viewport[1]);
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glMatrixMode (GL_MODELVIEW);
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glPushMatrix ();
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glLoadIdentity ();
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unsigned int game_state = GetModel()->GetGameState();
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SelectFont("console.ttf");
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SetFontJustification (Engine::FontJustificationLeft);
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GetController()->EnableTextinput(true);
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switch (game_state) {
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case GameStateMainMenu:
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DrawUiMainMenu();
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break;
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case GameStateRunning:
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DrawUiGameRunning();
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break;
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case GameStatePaused:
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DrawUiGamePaused();
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break;
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case GameStatePlayerDied:
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DrawUiPlayerDied();
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break;
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case GameStateLevelComplete:
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DrawUiLevelComplete();
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break;
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case GameStateShowHighscore:
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DrawUiHighscore();
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break;
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case GameStateEnterPlayername:
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DrawUiEnterPlayername();
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break;
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case GameStateGameOver:
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DrawUiGameOver();
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break;
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default:
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Engine::LogWarning ("Trying to draw unknown GameState: %s (%d)",
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GetStringGameState (game_state), game_state);
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break;
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}
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glPopMatrix ();
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glMatrixMode (GL_PROJECTION);
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glPopMatrix ();
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glMatrixMode (GL_MODELVIEW);
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}
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void View::DrawUiMainMenu() {
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Engine::GUI::Label (4, "A s t e r o i d s", screen_right * 0.5 - 100, 180);
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if (Engine::GUI::Button (1, "New Game", screen_right * 0.5 - 100, 200, 250, 40)) {
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GetModel()->SetGameState(GameStateEnterPlayername);
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}
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if (Engine::GUI::Button (2, "Highscores", screen_right * 0.5 - 100, 250, 250, 40)) {
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GetModel()->SetGameState(GameStateShowHighscore);
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}
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if (Engine::GUI::Button (3, "Quit", screen_right * 0.5 - 100, 330, 250, 40)) {
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Engine::RunCommand("quit");
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}
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}
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void View::DrawUiGameRunning() {
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// We choose a different font and also draw it aligned to the right as this
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// looks nicer with the points
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SelectFont ("AldotheApache.ttf size=20 color=#ffffff");
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SetFontJustification (Engine::FontJustificationRight);
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std::ostringstream out_stream;
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out_stream << GetModel()->GetPlayerLives() << " x ";
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DrawGLString (screen_right - 64, screen_bottom - 20, out_stream.str().c_str());
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mGUIShipSprite.DrawAt2D (screen_right - 32 - 10, screen_bottom - 16);
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out_stream.str("");
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out_stream << GetModel()->GetPoints();
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DrawGLString (screen_right - 30, 40, out_stream.str().c_str());
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// revert the font justification
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SetFontJustification (Engine::FontJustificationLeft);
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if (Engine::GUI::CheckKeyPress(SDLK_ESCAPE))
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GetModel()->SetGameState(GameStatePaused);
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}
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void View::DrawUiGameOver() {
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Engine::GUI::Label (4, "G a m e O v e r", screen_right * 0.5 - 100, 180);
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if (GetModel()->GetPlayerLives() == 0) {
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Engine::GUI::Label(5, "That was pathetic!", screen_right * 0.5 - 80, screen_bottom * 0.5 - 8);
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} else {
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Engine::GUI::Label (6, "You earned yourself the",
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screen_right * 0.5 - 80,
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screen_bottom * 0.5 - 32);
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Engine::GUI::Label (7, "You Rock(TM) award.",
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screen_right * 0.5 - 60,
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screen_bottom * 0.5 + 0);
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Engine::GUI::Label (8, "Go tell your friends.",
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screen_right * 0.5 - 70,
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screen_bottom * 0.5 + 32);
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}
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if (Engine::GUI::Button (2, "Continue...",
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screen_right * 0.5 - 100,
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screen_bottom * 0.5 + 60, 250, 40)) {
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GetModel()->SetGameState(GameStateShowHighscore);
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}
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}
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void View::DrawUiLevelComplete() {
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Engine::GUI::Label (4, "Level Complete!", screen_right * 0.5 - 100, 180);
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Engine::GUI::Label (6, "Congratulations - You rock!", screen_right * 0.5 - 80, screen_bottom * 0.5 -16);
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if(Engine::GUI::Button (1, "Next level ...", screen_right * 0.5 - 80, screen_bottom * 0.5 - 48, 250, 40)) {
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GetModel()->SetGameState(GameStateRunning);
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}
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}
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void View::DrawUiGamePaused() {
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Engine::GUI::Label (4, "- P a u s e d -", screen_right * 0.5 - 100, 180);
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if (Engine::GUI::Button (1, "Resume Game", screen_right * 0.5 - 100, 200, 250, 40)) {
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GetModel()->SetGameState(GameStateRunning);
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}
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if (Engine::GUI::Button (2, "Abort Game", screen_right * 0.5 - 100, 250, 250, 40)) {
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GetModel()->SetGameState(GameStateMainMenu);
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}
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if (Engine::GUI::Button (3, "Quit", screen_right * 0.5 - 100, 330, 250, 40)) {
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Engine::RunCommand("quit");
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}
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}
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void View::DrawUiPlayerDied() {
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Engine::GUI::Label (4, "You died ...", screen_right * 0.5 - 40, screen_bottom * 0.5 - 8 - 32);
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if (Engine::GUI::Button (1, "Continue", screen_right * 0.5 - 100, 200, 250, 40)) {
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GetModel()->SetGameState(GameStateRunning);
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}
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}
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void View::DrawUiHighscore() {
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float x = screen_right * 0.5 - 100;
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float y = screen_bottom * 0.5 - 8 - 128;
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// then we do the drawings
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Engine::DrawGLString ( x, y, "A s t e r o i d s");
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y += 30;
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Engine::DrawGLString ( x, y, "Highscore");
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y += 30;
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std::list<Model::HighscoreEntry>::iterator highscore_iter = GetModel()->mHighscoreList.begin();
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SetFontJustification(Engine::FontJustificationLeft);
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unsigned int entry_length = 32;
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unsigned int i = 0;
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while (highscore_iter != GetModel()->mHighscoreList.end()) {
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// compute the number of digits
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unsigned int digits = 1;
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unsigned int temp_val = highscore_iter->points;
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while (temp_val > 0) {
|
|
temp_val /= 10;
|
|
digits ++;
|
|
}
|
|
|
|
// output of the name
|
|
std::ostringstream out_stream;
|
|
out_stream << highscore_iter->name;
|
|
|
|
// add dots to fill the line
|
|
temp_val = entry_length - out_stream.str().size() - digits;
|
|
for (temp_val; temp_val > 0; temp_val--) {
|
|
out_stream << ".";
|
|
}
|
|
out_stream << highscore_iter->points;
|
|
|
|
// Check whether we have to highlight an entry (such as when entering
|
|
// the name)
|
|
if (GetModel()->mNewestHighscoreEntryIndex < GetModel()->mHighscoreList.size()
|
|
&& GetModel()->mNewestHighscoreEntryIndex == i) {
|
|
SelectFont("console.ttf color=#e8d500");
|
|
Engine::DrawGLString ( x, y, out_stream.str().c_str());
|
|
SelectFont("console.ttf color=#ffffff");
|
|
} else {
|
|
Engine::DrawGLString ( x, y, out_stream.str().c_str());
|
|
}
|
|
|
|
// go down one line
|
|
y += 16;
|
|
|
|
i++;
|
|
highscore_iter++;
|
|
}
|
|
|
|
if (Engine::GUI::Button (1, "Back to MainMenu", x + 16, y + 16, 250, 40)) {
|
|
GetModel()->SetGameState(GameStateMainMenu);
|
|
}
|
|
}
|
|
|
|
void View::DrawUiEnterPlayername() {
|
|
Engine::GUI::Label (4, "A s t e r o i d s", screen_right * 0.5 - 100, 180);
|
|
|
|
// Enter your name
|
|
std::string player_name = GetModel()->GetPlayerName();
|
|
|
|
SelectFont("console.ttf");
|
|
Engine::GUI::Label (1, "Enter your name: ", screen_right * 0.5 - 100, 250);
|
|
|
|
if (Engine::GUI::LineEdit (2, screen_right * 0.5 + 20, 238, player_name, 16)) {
|
|
GetModel()->SetPlayerName(player_name);
|
|
}
|
|
|
|
if (Engine::GUI::Button (3, "Start Game", screen_right - 150 - 20, 500, 150, 40)) {
|
|
GetModel()->SetGameState(GameStateRunning);
|
|
}
|
|
|
|
if (Engine::GUI::Button (5, "Back", 20, 500, 150, 40)) {
|
|
GetModel()->SetGameState(GameStateMainMenu);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Entities
|
|
*/
|
|
void View::DrawEntity (Engine::EntityBase *entity) {
|
|
if (entity->mType == GameEntityTypeAsteroid)
|
|
DrawAsteroid ((AsteroidEntity*) entity);
|
|
else if (entity->mType == GameEntityTypeShip)
|
|
DrawShip ((ShipEntity*) entity);
|
|
else if (entity->mType == GameEntityTypeRocket)
|
|
DrawRocket ((RocketEntity*) entity);
|
|
else if (entity->mType == GameEntityTypeShipPart)
|
|
DrawShipPart (entity);
|
|
else {
|
|
Engine::LogError ("Cannot draw entity: unknown type '%d'", entity->mType);
|
|
}
|
|
}
|
|
|
|
/// \todo: Update of the animation ??
|
|
void View::DrawShip (ShipEntity *ship) {
|
|
if (!ship->mAlive)
|
|
return;
|
|
|
|
mShipSprite.SetScale (2. * ship->mPhysicState->mRadius / mShipSprite.GetHeight());
|
|
mShipThrustSprite.SetScale (2. * ship->mPhysicState->mRadius / mShipSprite.GetHeight());
|
|
|
|
if (ship->mState == ShipEntity::Accelerating) {
|
|
mShipThrustSprite.UpdateAnimation (Engine::GetFrameDuration());
|
|
mShipThrustSprite.DrawAt(-0.5, 0., 0.);
|
|
}
|
|
|
|
mShipSprite.DrawAt(0., 0., 0.);
|
|
|
|
#ifdef DRAW_BOUNDARIES
|
|
glColor3f (1., 1., 1.);
|
|
DrawCircle (ship->mPhysicState->mRadius, 20);
|
|
#endif
|
|
}
|
|
|
|
void View::DrawAsteroid (AsteroidEntity *asteroid) {
|
|
mAsteroidSprite.SetScale (2. * asteroid->mPhysicState->mRadius / mAsteroidSprite.GetWidth());
|
|
mAsteroidSprite.DrawAt(0., 0., 0.);
|
|
|
|
#ifdef DRAW_BOUNDARIES
|
|
glColor3f (1., 1., 1.);
|
|
DrawCircle (asteroid->mPhysicState->mRadius, 20);
|
|
#endif
|
|
}
|
|
|
|
void View::DrawRocket (RocketEntity *rocket) {
|
|
glColor3f (1., 1., 1.);
|
|
glBegin (GL_QUADS);
|
|
glVertex3f (-0.25, 0., 0.05);
|
|
glVertex3f (0.05, 0., 0.05);
|
|
glVertex3f (0.05, 0., -0.05);
|
|
glVertex3f (-0.25, 0., -0.05);
|
|
glEnd ();
|
|
}
|
|
|
|
void View::DrawShipPart (Engine::EntityBase *entity) {
|
|
unsigned int i;
|
|
mShipPartsSprite.SetScale (1. / mShipSprite.GetHeight());
|
|
|
|
for (i = 0; i < mShipPartsEntityIds.size(); i++) {
|
|
if (mShipPartsEntityIds.at(i) == entity->mId) {
|
|
mShipPartsSprite.DrawSubAt (i, 0., 0., 0.);
|
|
}
|
|
}
|
|
#ifdef DRAW_BOUNDARIES
|
|
glColor3f (1., 1., 1.);
|
|
DrawCircle (entity->mPhysicState->mRadius, 20);
|
|
#endif
|
|
}
|
|
|
|
}
|