Files
axyz/src/Game/Systems/Weapon/AssaultWeaponBehaviour.cpp_
T
2016-02-29 06:58:57 +01:00

396 lines
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#include "Systems/Weapon/AssaultWeaponBehaviour.h"
void AssaultWeaponBehaviour::Fire()
{
m_TimeSinceLastFire = 0.0;
m_Firing = true;
fireRound();
}
void AssaultWeaponBehaviour::CeaseFire()
{
m_Firing = false;
}
void AssaultWeaponBehaviour::Reload()
{
if (m_Reloading) {
return;
}
ComponentWrapper& cAssaultWeapon = m_Player["AssaultWeapon"];
int magAmmo = cAssaultWeapon["MagazineAmmo"];
int magSize = cAssaultWeapon["MagazineSize"];
int ammo = cAssaultWeapon["Ammo"];
// Don't reload if we're already fully loaded
if (magAmmo == magSize) {
return;
}
// Don't reload if we're completely out of ammo
if (ammo == 0) {
playEmptySound();
m_TimeSinceLastFire = -0.0f; // HACK: To make empty sound play with interval
return;
}
m_Reloading = true;
m_ReloadTimer = cAssaultWeapon["ReloadTime"];
playReloadAnimation();
Events::PlaySoundOnEntity e;
e.EmitterID = cAssaultWeapon.EntityID;
e.FilePath = "Audio/weapon/reload.wav";
m_EventBroker->Publish(e);
}
void AssaultWeaponBehaviour::Update(double dt)
{
if (m_Reloading) {
m_ReloadTimer -= dt;
// Re-enable glow on reload impostor half-way through the animation
if (IsClient) {
if (m_ReloadTimer <= (double)m_Player["AssaultWeapon"]["ReloadTime"] / 2.0) {
if (m_FirstPersonReloadImpostor.Valid()) {
m_FirstPersonReloadImpostor["Model"]["GlowMap"] = true;
}
if (m_ThirdPersonReloadImpostor.Valid()) {
m_ThirdPersonReloadImpostor["Model"]["GlowMap"] = true;
}
}
}
if (m_ReloadTimer <= 0) {
finishReload();
}
}
if (m_Firing && !m_Reloading) {
m_TimeSinceLastFire += dt;
ComponentWrapper& cAssaultWeapon = m_Player["AssaultWeapon"];
if (m_TimeSinceLastFire >= 1.0 / ((double)cAssaultWeapon["RPM"] / 60.0)) {
fireRound();
}
}
if (!m_Firing && !m_Reloading) {
if (IsClient) {
playIdleAnimation();
}
}
// Disable glow map on weapon if it's out of ammo
// Make real first person weapon model visible again
if (IsClient) {
EntityWrapper firstPersonWeaponModel = m_Player.FirstChildByName("WeaponModel");
if (firstPersonWeaponModel.Valid()) {
firstPersonWeaponModel["Model"]["GlowMap"] = hasAmmo();
}
}
}
bool AssaultWeaponBehaviour::hasAmmo()
{
ComponentWrapper& cAssaultWeapon = m_Player["AssaultWeapon"];
int& magAmmo = cAssaultWeapon["MagazineAmmo"];
return magAmmo > 0;
}
void AssaultWeaponBehaviour::fireRound()
{
if (m_Reloading) {
return;
}
ComponentWrapper& cAssaultWeapon = m_Player["AssaultWeapon"];
int& magAmmo = cAssaultWeapon["MagazineAmmo"];
int ammo = cAssaultWeapon["Ammo"];
// Reload if our magazine is empty
if (magAmmo <= 0) {
Reload();
return;
}
// Fire
magAmmo -= 1;
m_TimeSinceLastFire = 0.0;
// Effects
if (IsClient) {
spawnTracer();
playFireSound();
viewPunch();
playShootAnimation();
bool hit = shoot(cAssaultWeapon["BaseDamage"]);
if (hit) {
showHitMarker();
}
}
}
void AssaultWeaponBehaviour::spawnTracer()
{
if (!IsClient) {
return;
}
EntityWrapper spawner;
bool outOfBodyExperience = ResourceManager::Load<ConfigFile>("Config.ini")->Get<bool>("Debug.OutOfBodyExperience", false);
if (m_Player == LocalPlayer && !outOfBodyExperience) {
spawner = m_Player.FirstChildByName("WeaponMuzzle");
} else {
spawner = m_Player.FirstChildByName("ThirdPersonWeaponMuzzle");
}
if (!spawner.Valid()) {
return;
}
float distance = traceRayDistance(Transform::AbsolutePosition(spawner), Transform::AbsoluteOrientation(spawner) * glm::vec3(0, 0, -1));
EntityWrapper ray = SpawnerSystem::Spawn(spawner);
((glm::vec3&)ray["Transform"]["Scale"]).z = (distance / 100.f);
}
float AssaultWeaponBehaviour::traceRayDistance(glm::vec3 origin, glm::vec3 direction)
{
float distance;
glm::vec3 pos;
auto entity = Collision::EntityFirstHitByRay(Ray(origin, direction), m_CollisionOctree, distance, pos);
if (entity) {
return distance;
} else {
return 100.f;
}
}
void AssaultWeaponBehaviour::playFireSound()
{
if (!IsClient) {
return;
}
Events::PlaySoundOnEntity e;
e.EmitterID = m_Player.ID;
e.FilePath = "Audio/laser/laser1.wav";
m_EventBroker->Publish(e);
}
void AssaultWeaponBehaviour::playEmptySound()
{
if (!IsClient) {
return;
}
Events::PlaySoundOnEntity e;
e.EmitterID = m_Player.ID;
e.FilePath = "Audio/weapon/zeroAmmo.wav";
m_EventBroker->Publish(e);
}
void AssaultWeaponBehaviour::viewPunch()
{
// Since we send absolute client orientations to server, running this server side would
// cause aim desync.
if (!IsClient) {
return;
}
EntityWrapper playerCamera = m_Player.FirstChildByName("Camera");
if (!playerCamera.Valid()) {
return;
}
float viewPunch = m_Player["AssaultWeapon"]["ViewPunch"];
ComponentWrapper cTransform = playerCamera["Transform"];
glm::vec3& orientation = cTransform["Orientation"];
orientation.x += viewPunch;
}
void AssaultWeaponBehaviour::finishReload()
{
ComponentWrapper& cAssaultWeapon = m_Player["AssaultWeapon"];
int& magAmmo = cAssaultWeapon["MagazineAmmo"];
int magSize = cAssaultWeapon["MagazineSize"];
int& ammo = cAssaultWeapon["Ammo"];
// Throw away rounds in magazine to incentivise ammo sharing
int toLoad = glm::min(magSize, ammo);
magAmmo = toLoad;
ammo -= toLoad;
// Make real first person weapon model visible again
EntityWrapper firstPersonWeaponModel = m_Player.FirstChildByName("WeaponModel");
if (firstPersonWeaponModel.Valid()) {
firstPersonWeaponModel["Model"]["Visible"] = true;
}
EntityWrapper thirdPersonWeaponModel = m_Player.FirstChildByName("ThirdPersonWeaponModel");
if (thirdPersonWeaponModel.Valid()) {
thirdPersonWeaponModel["Model"]["Visible"] = true;
}
m_Reloading = false;
}
void AssaultWeaponBehaviour::playShootAnimation()
{
ComponentWrapper cAnimation = m_FirstPersonModel["Animation"];
if (cAnimation["AnimationName1"] != "ShootRifle") {
cAnimation["AnimationName1"] = "ShootRifle";
cAnimation["Weight1"] = 1.0;
cAnimation["Time1"] = 0.0;
cAnimation["Speed1"] = 1.0;
cAnimation["Loop1"] = true;
}
}
void AssaultWeaponBehaviour::playIdleAnimation()
{
if (!m_FirstPersonModel.Valid()) {
return;
}
ComponentWrapper cAnimation = m_FirstPersonModel["Animation"];
std::string& animationName1 = cAnimation["AnimationName1"];
double& animationSpeed1 = cAnimation["Speed1"];
std::string animationToPlay = "Idle";
double speedToSet = 1.0;
ComponentWrapper cPlayer = m_Player["Player"];
glm::vec3 movementDirection = cPlayer["CurrentWishDirection"];
if (glm::length2(movementDirection) > 0) {
animationToPlay = "Run";
ComponentWrapper cPhysics = m_Player["Physics"];
speedToSet = glm::length((glm::vec3)cPhysics["Velocity"]) / (float)cPlayer["MovementSpeed"];
}
if (animationName1 != animationToPlay) {
cAnimation["AnimationName1"] = animationToPlay;
cAnimation["Weight1"] = 1.0;
cAnimation["Time1"] = 0.0;
cAnimation["Loop1"] = true;
}
if (animationSpeed1 != speedToSet) {
cAnimation["Speed1"] = speedToSet;
}
}
void AssaultWeaponBehaviour::playReloadAnimation()
{
// Play animation
// First person
if (IsClient)
{
ComponentWrapper cAnimation = m_FirstPersonModel["Animation"];
cAnimation["AnimationName1"] = "ReloadSwitch";
cAnimation["Weight1"] = 1.0;
cAnimation["Time1"] = 0.0;
cAnimation["Speed1"] = 0.5;
cAnimation["Loop1"] = true;
}
// TODO: Third person
//{
// ComponentWrapper cAnimation = m_ThirdPersonModel["Animation"];
// cAnimation["AnimationName1"] = "ReloadSwitch";
// cAnimation["Weight1"] = 1.0;
// cAnimation["Time1"] = 0.0;
// cAnimation["Speed1"] = 0.5;
// cAnimation["Loop1"] = true;
//}
// Hide weapon model and spawn the exploding version
{
EntityWrapper firstPersonWeaponModel = m_Player.FirstChildByName("WeaponModel");
EntityWrapper reloadSpawner = m_Player.FirstChildByName("FirstPersonReloadSpawner");
if (IsClient) {
m_FirstPersonReloadImpostor = SpawnerSystem::Spawn(reloadSpawner, reloadSpawner);
firstPersonWeaponModel["Model"].Copy(m_FirstPersonReloadImpostor["Model"]);
}
firstPersonWeaponModel["Model"]["Visible"] = false;
}
{
EntityWrapper thirdPersonWeaponModel = m_Player.FirstChildByName("ThirdPersonWeaponModel");
EntityWrapper reloadSpawner = m_Player.FirstChildByName("ThirdPersonReloadSpawner");
if (IsClient) {
m_ThirdPersonReloadImpostor = SpawnerSystem::Spawn(reloadSpawner, reloadSpawner);
thirdPersonWeaponModel["Model"].Copy(m_ThirdPersonReloadImpostor["Model"]);
}
thirdPersonWeaponModel["Model"]["Visible"] = false;
}
}
bool AssaultWeaponBehaviour::shoot(double damage)
{
// Only do shooting clientside
if (!IsClient) {
return false;
}
// Only handle shooting for the local player
if (m_Player != LocalPlayer) {
return false;
}
// Make sure the player isn't shooting from the grave
if (!m_Player.Valid()) {
return false;
}
// Screen center, based on current resolution!
Rectangle screenResolution = m_Renderer->GetViewportSize();
glm::vec2 centerScreen = glm::vec2(screenResolution.Width / 2, screenResolution.Height / 2);
// Pick middle of screen
PickData pickData = m_Renderer->Pick(centerScreen);
if (pickData.Entity == EntityID_Invalid) {
return false;
}
EntityWrapper victim(m_World, pickData.Entity);
if (!victim.Valid()) {
return false;
}
// Don't let us shoot ourselves in the foot somehow
if (victim == LocalPlayer) {
return false;
}
// Only care about players being hit
if (!victim.HasComponent("Player")) {
victim = victim.FirstParentWithComponent("Player");
}
if (!victim.Valid()) {
return false;
}
// Check for friendly fire
if ((ComponentInfo::EnumType)victim["Team"]["Team"] == (ComponentInfo::EnumType)m_Player["Team"]["Team"]) {
return false;
}
// Deal damage!
Events::PlayerDamage ePlayerDamage;
ePlayerDamage.Inflictor = m_Player;
ePlayerDamage.Victim = victim;
ePlayerDamage.Damage = damage;
m_EventBroker->Publish(ePlayerDamage);
return true;
}
void AssaultWeaponBehaviour::showHitMarker()
{
// Show hit marker
EntityWrapper hitMarkerSpawner = m_Player.FirstChildByName("HitMarkerSpawner");
if (hitMarkerSpawner.Valid()) {
SpawnerSystem::Spawn(hitMarkerSpawner, hitMarkerSpawner);
Events::PlaySoundOnEntity e;
e.EmitterID = m_Player.ID;
e.FilePath = "Audio/weapon/hitclick.wav";
m_EventBroker->Publish(e);
}
}