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openrw/rwgame/ingamestate.cpp
2015-05-08 23:53:56 +01:00

348 lines
9.0 KiB
C++

#include "ingamestate.hpp"
#include "RWGame.hpp"
#include "pausestate.hpp"
#include "debugstate.hpp"
#include "DrawUI.hpp"
#include <ai/PlayerController.hpp>
#include <objects/CharacterObject.hpp>
#include <objects/VehicleObject.hpp>
#include <objects/ItemPickup.hpp>
#include <render/Model.hpp>
#include <items/WeaponItem.hpp>
#include <engine/GameWorld.hpp>
#include <engine/GameState.hpp>
#include <script/ScriptMachine.hpp>
#include <dynamics/RaycastCallbacks.hpp>
#define AUTOLOOK_TIME 2.f
IngameState::IngameState(RWGame* game, bool newgame, bool test)
: State(game), started(false), newgame(newgame), test(test),
autolookTimer(0.f), camMode(IngameState::CAMERA_NORMAL)
{
}
void IngameState::startTest()
{
auto playerChar = getWorld()->createPlayer({270.f, -605.f, 40.f});
auto player = new PlayerController(playerChar);
getWorld()->state->playerObject = playerChar->getGameObjectID();
/*auto bat = new WeaponItem(getWorld()->data.weaponData["ak47"]);
_playerCharacter->addToInventory(bat);
_playerCharacter->setActiveItem(bat->getInventorySlot());*/
glm::vec3 itemspawn( 276.5f, -609.f, 36.5f);
for( auto& w : getWorld()->data->weaponData ) {
if( w.first == "unarmed" ) continue;
getWorld()->insertObject(new ItemPickup(getWorld(), itemspawn,
w.second));
itemspawn.x += 2.5f;
}
auto carPos = glm::vec3( 286.f, -591.f, 37.f );
auto carRot = glm::angleAxis(glm::radians(90.f), glm::vec3(0.f, 0.f, 1.f));
//auto boatPos = glm::vec3( -1000.f, -1040.f, 5.f );
int i = 0;
for( auto& vi : getWorld()->data->objectTypes ) {
switch( vi.first ) {
case 140: continue;
case 141: continue;
}
if( vi.second->class_type == ObjectInformation::_class("CARS") )
{
if ( i++ > 20 ) break;
auto vehicle = std::static_pointer_cast<VehicleData>(vi.second);
auto& sp = carPos;
auto& sr = carRot;
auto v = getWorld()->createVehicle(vi.first, sp, sr);
sp += sr * glm::vec3( 2.f + v->info->handling.dimensions.x, 0.f, 0.f);
}
}
}
void IngameState::startGame()
{
game->startScript("data/main.scm");
game->getScript()->startThread(0);
getWorld()->sound.playBackground( getWorld()->data->getDataPath() + "/audio/City.wav" );
}
void IngameState::enter()
{
if( ! started )
{
if( newgame )
{
if( test ) {
startTest();
}
else {
startGame();
}
}
started = true;
}
}
void IngameState::exit()
{
}
void IngameState::tick(float dt)
{
autolookTimer = std::max(autolookTimer - dt, 0.f);
auto player = game->getPlayer();
if( player && player->isInputEnabled() )
{
float qpi = glm::half_pi<float>();
sf::Vector2f screenSize(getWindow().getSize());
sf::Vector2f screenCenter(screenSize / 2.f);
sf::Vector2f mousePos(sf::Mouse::getPosition(getWindow()));
sf::Vector2f deltaMouse = (mousePos - screenCenter);
sf::Vector2f mouseMove(deltaMouse.x / screenSize.x, deltaMouse.y / screenSize.y);
sf::Mouse::setPosition(sf::Vector2i(screenCenter), getWindow());
if(deltaMouse.x != 0 || deltaMouse.y != 0)
{
autolookTimer = AUTOLOOK_TIME;
}
float viewDistance = 4.f;
switch( camMode )
{
case IngameState::CAMERA_CLOSE:
viewDistance = 2.f;
break;
case IngameState::CAMERA_NORMAL:
viewDistance = 4.0f;
break;
case IngameState::CAMERA_FAR:
viewDistance = 6.f;
break;
case IngameState::CAMERA_TOPDOWN:
viewDistance = 15.f;
break;
default:
viewDistance = 4.f;
}
auto target = getWorld()->findObject(getWorld()->state->cameraTarget);
if( target == nullptr )
{
target = player->getCharacter();
}
glm::vec3 targetPosition = target->getPosition();
glm::vec3 lookTargetPosition = targetPosition;
targetPosition += glm::vec3(0.f, 0.f, 1.f);
lookTargetPosition += glm::vec3(0.f, 0.f, 0.5f);
btCollisionObject* physTarget = player->getCharacter()->physObject;
auto vehicle = ( target->type() == GameObject::Character ) ? static_cast<CharacterObject*>(target)->getCurrentVehicle() : nullptr;
if( vehicle ) {
auto model = vehicle->model;
float maxDist = 0.f;
for(auto& g : model->resource->geometries) {
float partSize = glm::length(g->geometryBounds.center) + g->geometryBounds.radius;
maxDist = std::max(partSize, maxDist);
}
viewDistance = viewDistance + maxDist;
targetPosition = vehicle->getPosition();
lookTargetPosition = targetPosition;
lookTargetPosition.z += (vehicle->info->handling.dimensions.z);
targetPosition.z += (vehicle->info->handling.dimensions.z * 2.f);
physTarget = vehicle->physBody;
}
// Non-topdown camera can orbit
if( camMode != IngameState::CAMERA_TOPDOWN )
{
// Rotate the cameraPosition vector around targetPosition by the mouse movement
auto camtotarget = targetPosition - cameraPosition;
float camAngle = glm::atan(camtotarget.y, camtotarget.x);
glm::quat epsilon( glm::vec3( 0.f, 0.f, camAngle) );
glm::quat theta( glm::vec3(0.f, 0.f, -mouseMove.x) );
glm::quat rho( epsilon * glm::vec3(0.f, mouseMove.y, 0.f) );
cameraPosition = targetPosition - (theta * (rho * camtotarget));
}
else
{
cameraPosition = targetPosition + glm::vec3(0.f, 0.f, viewDistance);
}
glm::quat angle;
auto camtotarget = targetPosition - cameraPosition;
auto dir = glm::normalize(camtotarget);
float correction = glm::length(camtotarget) - viewDistance;
if( correction < 0.f )
{
float innerDist = viewDistance * 0.1f;
correction = glm::min(0.f, correction + innerDist);
}
cameraPosition += dir * 10.f * correction * dt;
auto lookdir = glm::normalize(lookTargetPosition - cameraPosition);
// Calculate the yaw to look at the target.
float angleYaw = glm::atan(lookdir.y, lookdir.x);
angle = glm::quat( glm::vec3(0.f, 0.f, angleYaw) );
// Update player with camera yaw
player->updateMovementDirection(angle * _movement, _movement);
float len2d = glm::length(glm::vec2(lookdir));
float anglePitch = glm::atan(lookdir.z, len2d);
angle *= glm::quat( glm::vec3(0.f, -anglePitch, 0.f) );
// Use rays to ensure target is visible from cameraPosition
auto rayEnd = cameraPosition;
auto rayStart = targetPosition;
auto to = btVector3(rayEnd.x, rayEnd.y, rayEnd.z);
auto from = btVector3(rayStart.x, rayStart.y, rayStart.z);
ClosestNotMeRayResultCallback ray(physTarget, from, to);
getWorld()->dynamicsWorld->rayTest(from, to, ray);
if( ray.hasHit() && ray.m_closestHitFraction < 1.f )
{
cameraPosition = glm::vec3(ray.m_hitPointWorld.x(), ray.m_hitPointWorld.y(),
ray.m_hitPointWorld.z());
cameraPosition += glm::vec3(ray.m_hitNormalWorld.x(), ray.m_hitNormalWorld.y(),
ray.m_hitNormalWorld.z()) * 0.1f;
}
_look.position = cameraPosition;
_look.rotation = angle;
}
}
void IngameState::draw(GameRenderer* r)
{
if( !getWorld()->state->isCinematic && getWorld()->isCutsceneDone() )
{
drawHUD(game->getPlayer(), getWorld(), r);
}
State::draw(r);
}
void IngameState::handleEvent(const sf::Event &event)
{
auto player = game->getPlayer();
switch(event.type) {
case sf::Event::KeyPressed:
switch(event.key.code) {
case sf::Keyboard::Escape:
StateManager::get().enter(new PauseState(game));
break;
case sf::Keyboard::M:
StateManager::get().enter(new DebugState(game, _look.position, _look.rotation));
break;
case sf::Keyboard::Space:
if( getWorld()->state->currentCutscene )
{
getWorld()->state->skipCutscene = true;
}
else if( player && player->isInputEnabled() ) {
if( player->getCharacter()->getCurrentVehicle() ) {
player->getCharacter()->getCurrentVehicle()->setHandbraking(true);
}
else
{
player->jump();
}
}
break;
case sf::Keyboard::W:
_movement.x = 1.f;
break;
case sf::Keyboard::S:
_movement.x =-1.f;
break;
case sf::Keyboard::A:
_movement.y = 1.f;
break;
case sf::Keyboard::D:
_movement.y =-1.f;
break;
case sf::Keyboard::LShift:
player->setRunning(true);
break;
case sf::Keyboard::C:
camMode = CameraMode((camMode+(CameraMode)1)%CAMERA_MAX);
break;
case sf::Keyboard::F:
if( player && player->isInputEnabled() ) {
if( player->getCharacter()->getCurrentVehicle()) {
player->exitVehicle();
}
else {
player->enterNearestVehicle();
}
}
break;
default: break;
}
break;
case sf::Event::KeyReleased:
switch(event.key.code) {
case sf::Keyboard::W:
case sf::Keyboard::S:
_movement.x = 0.f;
break;
case sf::Keyboard::A:
case sf::Keyboard::D:
_movement.y = 0.f;
break;
case sf::Keyboard::LShift:
player->setRunning(false);
break;
default: break;
}
break;
case sf::Event::MouseButtonPressed:
switch(event.mouseButton.button) {
case sf::Mouse::Left:
player->useItem(true, true);
break;
default: break;
}
break;
case sf::Event::MouseButtonReleased:
switch(event.mouseButton.button) {
case sf::Mouse::Left:
player->useItem(false, true);
break;
default: break;
}
break;
case sf::Event::MouseWheelMoved:
player->getCharacter()->cycleInventory(event.mouseWheel.delta > 0);
break;
default: break;
}
State::handleEvent(event);
}
bool IngameState::shouldWorldUpdate()
{
return true;
}
const ViewCamera &IngameState::getCamera()
{
return _look;
}