mirror of
https://github.com/rwengine/openrw.git
synced 2024-09-20 01:11:46 +02:00
445 lines
16 KiB
C++
445 lines
16 KiB
C++
#include "IngameState.hpp"
|
|
#include "DebugState.hpp"
|
|
#include "DrawUI.hpp"
|
|
#include "PauseState.hpp"
|
|
#include "RWGame.hpp"
|
|
|
|
#include <ai/PlayerController.hpp>
|
|
#include <data/Model.hpp>
|
|
#include <data/WeaponData.hpp>
|
|
#include <dynamics/CollisionInstance.hpp>
|
|
#include <dynamics/RaycastCallbacks.hpp>
|
|
#include <engine/GameState.hpp>
|
|
#include <engine/GameWorld.hpp>
|
|
#include <objects/CharacterObject.hpp>
|
|
#include <objects/ItemPickup.hpp>
|
|
#include <objects/VehicleObject.hpp>
|
|
#include <script/ScriptMachine.hpp>
|
|
|
|
#include <glm/gtc/constants.hpp>
|
|
|
|
constexpr float kAutoLookTime = 2.f;
|
|
constexpr float kAutolookMinVelocity = 0.2f;
|
|
const float kMaxRotationRate = glm::half_pi<float>();
|
|
const float kCameraPitchLimit = glm::quarter_pi<float>() * 0.5f;
|
|
const float kVehicleCameraPitch =
|
|
glm::half_pi<float>() - glm::quarter_pi<float>() * 0.25f;
|
|
|
|
IngameState::IngameState(RWGame* game, bool newgame, const std::string& save)
|
|
: State(game)
|
|
, started(false)
|
|
, save(save)
|
|
, newgame(newgame)
|
|
, autolookTimer(0.f)
|
|
, camMode(IngameState::CAMERA_NORMAL)
|
|
, m_cameraAngles{0.f, glm::half_pi<float>()}
|
|
, m_invertedY(game->getConfig().getInputInvertY())
|
|
, m_vehicleFreeLook(true) {
|
|
}
|
|
|
|
void IngameState::startTest() {
|
|
auto playerChar = getWorld()->createPlayer({270.f, -605.f, 40.f});
|
|
|
|
getWorld()->state->playerObject = playerChar->getGameObjectID();
|
|
|
|
glm::vec3 itemspawn(276.5f, -609.f, 36.5f);
|
|
for (int i = 1; i < getWorld()->data->weaponData.size(); ++i) {
|
|
auto& item = getWorld()->data->weaponData[i];
|
|
getWorld()->createPickup(itemspawn, item->modelID,
|
|
PickupObject::OnStreet);
|
|
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));
|
|
// Landstalker, Stinger, Linerunner, Trash, Bobcat
|
|
const std::vector<int> kTestVehicles = {90, 92, 93, 98, 111};
|
|
for (auto id : kTestVehicles) {
|
|
getWorld()->createVehicle(id, carPos, carRot);
|
|
carPos += carRot * glm::vec3(5.f, 0.f, 0.f);
|
|
}
|
|
}
|
|
|
|
void IngameState::startGame() {
|
|
game->startScript("data/main.scm");
|
|
game->getScriptVM()->startThread(0);
|
|
getWorld()->sound.playBackground(getWorld()->data->getDataPath() +
|
|
"/audio/City.wav");
|
|
}
|
|
|
|
void IngameState::enter() {
|
|
if (!started) {
|
|
if (newgame) {
|
|
if (save.empty()) {
|
|
startGame();
|
|
} else if (save == "test") {
|
|
startTest();
|
|
} else {
|
|
game->loadGame(save);
|
|
}
|
|
}
|
|
started = true;
|
|
}
|
|
|
|
getWindow().hideCursor();
|
|
}
|
|
|
|
void IngameState::exit() {
|
|
}
|
|
|
|
void IngameState::tick(float dt) {
|
|
auto world = getWorld();
|
|
autolookTimer = std::max(autolookTimer - dt, 0.f);
|
|
|
|
// Update displayed money value
|
|
// @todo the game uses another algorithm which is non-linear
|
|
{
|
|
float moneyFrequency = 1.0f / 30.0f;
|
|
moneyTimer += dt;
|
|
while (moneyTimer >= moneyFrequency) {
|
|
int32_t difference = world->state->playerInfo.money -
|
|
world->state->playerInfo.displayedMoney;
|
|
|
|
// Generates 0, 1 (difference < 100), 12 (difference < 1000), 123
|
|
// (difference < 10000), .. etc.
|
|
// Negative input will result in negative output
|
|
auto GetIncrement = [](int32_t difference) -> int32_t {
|
|
// @todo is this correct for difference >= 1000000000 ?
|
|
int32_t r = 1;
|
|
int32_t i = 2;
|
|
if (difference == 0) {
|
|
return 0;
|
|
}
|
|
while (std::abs(difference) >= 100) {
|
|
difference /= 10;
|
|
r = r * 10 + i;
|
|
i++;
|
|
}
|
|
return (difference < 0) ? -r : r;
|
|
};
|
|
world->state->playerInfo.displayedMoney += GetIncrement(difference);
|
|
|
|
moneyTimer -= moneyFrequency;
|
|
}
|
|
}
|
|
|
|
auto player = game->getPlayer();
|
|
|
|
if (player) {
|
|
// Force all input to 0 if player input is disabled
|
|
/// @todo verify 0ing input is the correct behaviour
|
|
const auto inputEnabled = player->isInputEnabled();
|
|
|
|
auto input = [&](GameInputState::Control c) {
|
|
return inputEnabled ? world->state->input[0][c] : 0.f;
|
|
};
|
|
auto pressed = [&](GameInputState::Control c) {
|
|
return inputEnabled && world->state->input[0].pressed(c) &&
|
|
!world->state->input[1].pressed(c);
|
|
};
|
|
auto held = [&](GameInputState::Control c) {
|
|
return inputEnabled && world->state->input[0].pressed(c);
|
|
};
|
|
|
|
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 = world->pedestrianPool.find(world->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->getModel();
|
|
float maxDist = 0.f;
|
|
for (auto& g : model->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 * 0.5f);
|
|
targetPosition.z += (vehicle->info->handling.dimensions.z * 0.5f);
|
|
physTarget = vehicle->collision->getBulletBody();
|
|
|
|
if (!m_vehicleFreeLook) {
|
|
m_cameraAngles.y = kVehicleCameraPitch;
|
|
}
|
|
|
|
// Rotate the camera to the ideal angle if the player isn't moving
|
|
// it
|
|
float velocity = vehicle->getVelocity();
|
|
if (autolookTimer <= 0.f &&
|
|
glm::abs(velocity) > kAutolookMinVelocity) {
|
|
auto idealYaw =
|
|
-glm::roll(vehicle->getRotation()) + glm::half_pi<float>();
|
|
const auto idealPitch = kVehicleCameraPitch;
|
|
if (velocity < 0.f) {
|
|
idealYaw = glm::mod(idealYaw - glm::pi<float>(),
|
|
glm::pi<float>() * 2.f);
|
|
}
|
|
float currentYaw =
|
|
glm::mod(m_cameraAngles.x, glm::pi<float>() * 2);
|
|
float currentPitch = m_cameraAngles.y;
|
|
float deltaYaw = idealYaw - currentYaw;
|
|
float deltaPitch = idealPitch - currentPitch;
|
|
if (glm::abs(deltaYaw) > glm::pi<float>()) {
|
|
deltaYaw -= glm::sign(deltaYaw) * glm::pi<float>() * 2.f;
|
|
}
|
|
m_cameraAngles.x +=
|
|
glm::sign(deltaYaw) *
|
|
std::min(kMaxRotationRate * dt, glm::abs(deltaYaw));
|
|
m_cameraAngles.y +=
|
|
glm::sign(deltaPitch) *
|
|
std::min(kMaxRotationRate * dt, glm::abs(deltaPitch));
|
|
}
|
|
}
|
|
|
|
// Non-topdown camera can orbit
|
|
if (camMode != IngameState::CAMERA_TOPDOWN) {
|
|
bool lookleft = held(GameInputState::LookLeft);
|
|
bool lookright = held(GameInputState::LookRight);
|
|
if ((lookleft || lookright) && vehicle != nullptr) {
|
|
auto rotation = vehicle->getRotation();
|
|
if (!lookright) {
|
|
rotation *= glm::angleAxis(glm::half_pi<float>(),
|
|
glm::vec3(0.f, 0.f, -1.f));
|
|
} else if (!lookleft) {
|
|
rotation *= glm::angleAxis(glm::half_pi<float>(),
|
|
glm::vec3(0.f, 0.f, 1.f));
|
|
}
|
|
cameraPosition = targetPosition +
|
|
rotation * glm::vec3(0.f, viewDistance, 0.f);
|
|
} else {
|
|
// Determine the "ideal" camera position for the current view
|
|
// angles
|
|
auto yaw =
|
|
glm::angleAxis(m_cameraAngles.x, glm::vec3(0.f, 0.f, -1.f));
|
|
auto pitch =
|
|
glm::angleAxis(m_cameraAngles.y, glm::vec3(0.f, 1.f, 0.f));
|
|
auto cameraOffset =
|
|
yaw * pitch * glm::vec3(0.f, 0.f, viewDistance);
|
|
cameraPosition = targetPosition + cameraOffset;
|
|
}
|
|
} 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));
|
|
glm::vec3 movement;
|
|
|
|
movement.x = input(GameInputState::GoForward) -
|
|
input(GameInputState::GoBackwards);
|
|
movement.y =
|
|
input(GameInputState::GoLeft) - input(GameInputState::GoRight);
|
|
/// @todo replace with correct sprint behaviour
|
|
float speed = held(GameInputState::Sprint) ? 2.f : 1.f;
|
|
|
|
player->setRunning(!held(GameInputState::Walk));
|
|
/// @todo find the correct behaviour for entering & exiting
|
|
if (pressed(GameInputState::EnterExitVehicle)) {
|
|
/// @todo move me
|
|
if (player->getCharacter()->getCurrentVehicle()) {
|
|
player->exitVehicle();
|
|
} else if (!player->isCurrentActivity(
|
|
Activities::EnterVehicle::ActivityName)) {
|
|
player->enterNearestVehicle();
|
|
}
|
|
} else if (glm::length2(movement) > 0.001f) {
|
|
if (player->isCurrentActivity(
|
|
Activities::EnterVehicle::ActivityName)) {
|
|
// Give up entering a vehicle if we're alreadying doing so
|
|
player->skipActivity();
|
|
}
|
|
}
|
|
|
|
if (player->getCharacter()->getCurrentVehicle()) {
|
|
auto vehicle = player->getCharacter()->getCurrentVehicle();
|
|
vehicle->setHandbraking(held(GameInputState::Handbrake));
|
|
player->setMoveDirection(movement);
|
|
} else {
|
|
if (pressed(GameInputState::Jump)) {
|
|
player->jump();
|
|
}
|
|
|
|
float length = glm::length(movement);
|
|
float movementAngle = angleYaw - glm::half_pi<float>();
|
|
if (length > 0.1f) {
|
|
glm::vec3 direction = glm::normalize(movement);
|
|
movementAngle += atan2(direction.y, direction.x);
|
|
player->setMoveDirection(glm::vec3(speed, 0.f, 0.f));
|
|
} else {
|
|
player->setMoveDirection(glm::vec3(0.f));
|
|
}
|
|
player->setLookDirection({movementAngle, 0.f});
|
|
}
|
|
|
|
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);
|
|
|
|
world->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(_look, game->getPlayer(), getWorld(), r);
|
|
}
|
|
|
|
State::draw(r);
|
|
}
|
|
|
|
void IngameState::handleEvent(const SDL_Event& event) {
|
|
auto player = game->getPlayer();
|
|
|
|
switch (event.type) {
|
|
case SDL_KEYDOWN:
|
|
switch (event.key.keysym.sym) {
|
|
case SDLK_ESCAPE:
|
|
StateManager::get().enter<PauseState>(game);
|
|
break;
|
|
case SDLK_m:
|
|
StateManager::get().enter<DebugState>(game, _look.position,
|
|
_look.rotation);
|
|
break;
|
|
case SDLK_SPACE:
|
|
if (getWorld()->state->currentCutscene) {
|
|
getWorld()->state->skipCutscene = true;
|
|
}
|
|
break;
|
|
case SDLK_c:
|
|
camMode =
|
|
CameraMode((camMode + (CameraMode)1) % CAMERA_MAX);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (player && player->isInputEnabled()) {
|
|
handlePlayerInput(event);
|
|
}
|
|
State::handleEvent(event);
|
|
}
|
|
|
|
void IngameState::handlePlayerInput(const SDL_Event& event) {
|
|
auto player = game->getPlayer();
|
|
switch (event.type) {
|
|
case SDL_MOUSEBUTTONDOWN:
|
|
switch (event.button.button) {
|
|
case SDL_BUTTON_LEFT:
|
|
player->getCharacter()->useItem(true, true);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
case SDL_MOUSEBUTTONUP:
|
|
switch (event.button.button) {
|
|
case SDL_BUTTON_LEFT:
|
|
player->getCharacter()->useItem(false, true);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
case SDL_MOUSEWHEEL:
|
|
player->getCharacter()->cycleInventory(event.wheel.y > 0);
|
|
break;
|
|
case SDL_MOUSEMOTION:
|
|
if (game->hasFocus()) {
|
|
glm::ivec2 screenSize = getWindow().getSize();
|
|
glm::vec2 mouseMove(
|
|
event.motion.xrel / static_cast<float>(screenSize.x),
|
|
event.motion.yrel / static_cast<float>(screenSize.y));
|
|
|
|
autolookTimer = kAutoLookTime;
|
|
if (!m_invertedY) {
|
|
mouseMove.y = -mouseMove.y;
|
|
}
|
|
m_cameraAngles += glm::vec2(mouseMove.x, mouseMove.y);
|
|
m_cameraAngles.y =
|
|
glm::clamp(m_cameraAngles.y, kCameraPitchLimit,
|
|
glm::pi<float>() - kCameraPitchLimit);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
bool IngameState::shouldWorldUpdate() {
|
|
return true;
|
|
}
|
|
|
|
const ViewCamera& IngameState::getCamera() {
|
|
return _look;
|
|
}
|