Merge pull request #60 from teamfisk/3rdPersonDeathCam

3rd person death cam

src/Game/Game.cpp

@@ -8,6 +8,7 @@
 #include "Systems/PlayerMovementSystem.h"
 #include "Systems/SpawnerSystem.h"
 #include "Systems/PlayerSpawnSystem.h"
+#include "Systems/PlayerDeathSystem.h"
 #include "Core/EntityFileWriter.h"
 #include "Game/Systems/CapturePointSystem.h"
 #include "Game/Systems/WeaponSystem.h"
@@ -88,6 +89,7 @@ Game::Game(int argc, char* argv[])
     m_SystemPipeline->AddSystem<InterpolationSystem>(updateOrderLevel);
     m_SystemPipeline->AddSystem<SpawnerSystem>(updateOrderLevel);
     m_SystemPipeline->AddSystem<PlayerSpawnSystem>(updateOrderLevel);
+    m_SystemPipeline->AddSystem<PlayerDeathSystem>(updateOrderLevel);
     m_SystemPipeline->AddSystem<WeaponSystem>(updateOrderLevel, m_Renderer);
     m_SystemPipeline->AddSystem<LifetimeSystem>(updateOrderLevel);
     m_SystemPipeline->AddSystem<CapturePointSystem>(updateOrderLevel);

src/Game/Systems/HealthSystem.cpp

@@ -20,7 +20,10 @@ bool HealthSystem::OnPlayerDamaged(Events::PlayerDamage& e)
     health -= e.Damage;
     
     if (health <= 0.0) {
-        m_World->DeleteEntity(e.Player.ID);
+        Events::PlayerDeath ePlayerDeath;
+        ePlayerDeath.Player = e.Player;
+        m_EventBroker->Publish(ePlayerDeath);
+        //Note: we will delete the entity in PlayerDeathSystem
     }
 
     return true;

src/Game/Systems/PlayerDeathSystem.cpp

@@ -0,0 +1,57 @@
+#include "Systems/PlayerDeathSystem.h"
+
+PlayerDeathSystem::PlayerDeathSystem(World* m_World, EventBroker* eventBroker)
+    : System(m_World, eventBroker)
+{
+    EVENT_SUBSCRIBE_MEMBER(m_OnPlayerDeath, &PlayerDeathSystem::OnPlayerDeath);
+}
+
+void PlayerDeathSystem::Update(double dt)
+{
+}
+
+bool PlayerDeathSystem::OnPlayerDeath(Events::PlayerDeath& e)
+{
+    if (!e.Player.Valid()) {
+        return false;
+    }
+
+    createDeathEffect(e.Player);
+
+    // Delete player
+    m_World->DeleteEntity(e.Player.ID);
+
+    return true;
+}
+
+void PlayerDeathSystem::createDeathEffect(EntityWrapper player)
+{
+    //load the explosioneffect XML
+    auto deathEffect = ResourceManager::Load<EntityFile>("Schema/Entities/PlayerDeathExplosionWithCamera.xml");
+    EntityFileParser parser(deathEffect);
+    EntityID deathEffectID = parser.MergeEntities(m_World);
+    EntityWrapper deathEffectEW = EntityWrapper(m_World, deathEffectID);
+
+    //components that we need from player
+    auto playerCamera = player.FirstChildByName("Camera");
+    auto playerEntityModel = player.FirstChildByName("PlayerModel")["Model"];
+    auto playerEntityAnimation = player.FirstChildByName("PlayerModel")["Animation"];
+
+    //copy the data from player to explisioneffectmodel
+    playerEntityModel.Copy(deathEffectEW["Model"]);
+    playerEntityAnimation.Copy(deathEffectEW["Animation"]);
+    //freeze the animation
+    deathEffectEW["Animation"]["Speed"] = 0.0;
+
+    //copy the models position,orientation
+    deathEffectEW["Transform"]["Position"] = (glm::vec3)player["Transform"]["Position"];
+    deathEffectEW["Transform"]["Orientation"] = (glm::vec3)player["Transform"]["Orientation"];
+    //effect,camera is relative to playersPosition
+    //deathEffectEW["ExplosionEffect"]["ExplosionOrigin"] = glm::vec3(0, 0, 0);
+
+    //camera (with lifetime) behind the player
+    auto cam = deathEffectEW.FirstChildByName("Camera");
+    Events::SetCamera eSetCamera;
+    eSetCamera.CameraEntity = cam;
+    m_EventBroker->Publish(eSetCamera);
+}

src/Game/Systems/PlayerSpawnSystem.cpp

@@ -75,7 +75,9 @@ bool PlayerSpawnSystem::OnPlayerSpawned(Events::PlayerSpawned& e)
     // Check if a player already exists
     if (m_PlayerEntities.count(e.PlayerID) != 0) {
         // TODO: Disallow infinite respawning here
-        m_World->DeleteEntity(m_PlayerEntities[e.PlayerID].ID);
+        if (m_PlayerEntities[e.PlayerID].Valid()) {
+            m_World->DeleteEntity(m_PlayerEntities[e.PlayerID].ID);
+        }
     }
 
     // Store the player for future reference