WIP multi-weapon behaviours

2016-02-25 16:24:38 +01:00
parent 0c60b637c3
commit bb76c9d248
36 changed files with 1251 additions and 613 deletions
@@ -1,37 +1,33 @@
+#ifndef AssaultWeaponBehaviour_h__
+#define AssaultWeaponBehaviour_h__
+
 #include "Sound/EPlaySoundOnEntity.h"
 #include "Collision/Collision.h"
-#include "Rendering/AnimationSystem.h"
 #include "Core/ConfigFile.h"
 #include "WeaponBehaviour.h"
 #include "../SpawnerSystem.h"
 #include "Core/EPlayerDamage.h"
 #include "Core/EShoot.h"

-
-class AssaultWeaponBehaviour : public WeaponBehaviour
+class AssaultWeaponBehaviour : public WeaponBehaviour<AssaultWeaponBehaviour>
 {
 public:
-    AssaultWeaponBehaviour(SystemParams systemParams, IRenderer* renderer, Octree<EntityAABB>* collisionOctree, EntityWrapper weaponEntity);
-    
-    virtual void Fire() override;
-    virtual void CeaseFire() override;
-    virtual void Reload() override;
+    AssaultWeaponBehaviour(SystemParams systemParams, IRenderer* renderer, Octree<EntityAABB>* collisionOctree)
+        : WeaponBehaviour(systemParams, "AssaultWeapon", renderer, collisionOctree) 
+    { }

-    virtual void Update(double dt) override;
+protected:
+    virtual void OnPrimaryFire(WeaponInfo& wi) override;
+    virtual void OnCeasePrimaryFire(WeaponInfo& wi) override;
+    virtual void OnReload(WeaponInfo& wi) override;

 private:
-    EntityWrapper m_FirstPersonModel;
-    EntityWrapper m_ThirdPersonModel;
    // State
    bool m_Firing = false;
    bool m_Reloading = false;
    double m_ReloadTimer = 0.0;
-    EntityWrapper m_FirstPersonReloadImpersonator;
-    EntityWrapper m_ThirdPersonReloadImpersonator;
    double m_TimeSinceLastFire = 0.0;
-
-    EventRelay<WeaponBehaviour, Events::AnimationComplete> m_EAnimationComplete;
-    bool OnAnimationComplete(Events::AnimationComplete& e);
+    EntityWrapper m_FirstPersonReloadImpostor;

    bool hasAmmo();
    void fireRound();
@@ -47,3 +43,5 @@ private:
    bool shoot(double damage);
    void showHitMarker();
 };
+
+#endif
@@ -0,0 +1,38 @@
+#include "WeaponBehaviour.h"
+#include "Collision/Collision.h"
+#include "Core/EPlayerDamage.h"
+#include "Rendering/ESetCamera.h"
+
+class DefenderWeaponBehaviour : public WeaponBehaviour<DefenderWeaponBehaviour>
+{
+public:
+    DefenderWeaponBehaviour(SystemParams systemParams, IRenderer* renderer, Octree<EntityAABB>* collisionOctree)
+        : System(systemParams)
+        , WeaponBehaviour(systemParams, "DefenderWeapon", renderer, collisionOctree)
+        , m_RandomEngine(m_RandomDevice())
+    {
+        EVENT_SUBSCRIBE_MEMBER(m_ESetCamera, &DefenderWeaponBehaviour::OnSetCamera);
+    }
+
+    void UpdateComponent(EntityWrapper& entity, ComponentWrapper& cWeapon, double dt) override;
+    void UpdateWeapon(WeaponInfo& wi, double dt) override;
+    void OnPrimaryFire(WeaponInfo& wi) override;
+    void OnCeasePrimaryFire(WeaponInfo& wi) override;
+    bool OnInputCommand(WeaponInfo& wi, const Events::InputCommand& e) override;
+
+private:
+    std::random_device m_RandomDevice;
+    std::mt19937 m_RandomEngine;
+    EntityWrapper m_CurrentCamera;
+
+    EventRelay<DefenderWeaponBehaviour, Events::SetCamera> m_ESetCamera;
+    bool OnSetCamera(const Events::SetCamera& e);
+
+    // Weapon functions
+    void fireShell(WeaponInfo& wi);
+    void dealDamage(WeaponInfo& wi, glm::vec3 direction, double damage);
+
+    // Utility
+    float traceRayDistance(glm::vec3 origin, glm::vec3 direction);
+    Camera cameraFromEntity(EntityWrapper camera);
+};
@@ -5,30 +5,177 @@
 #include "Rendering/IRenderer.h"
 #include "Core/Octree.h"
 #include "Collision/EntityAABB.h"
+#include "Input/EInputCommand.h"
+#include "Systems/SpawnerSystem.h"

-class WeaponBehaviour : public System
+template <typename ETYPE>
+class WeaponBehaviour : public PureSystem
 {
+    friend class WeaponSystem;
+
 public:
-    WeaponBehaviour(SystemParams systemParams, IRenderer* renderer, Octree<EntityAABB>* collisionOctree, EntityWrapper player)
-        : System(systemParams)
+    WeaponBehaviour(SystemParams params, std::string componentType, IRenderer* renderer, Octree<EntityAABB>* collisionOctree)
+        : System(params)
+        , PureSystem(componentType)
        , m_Renderer(renderer)
        , m_CollisionOctree(collisionOctree)
-        , m_Player(player)
-    { }
+    {
+        EVENT_SUBSCRIBE_MEMBER(m_EInputCommand, &WeaponBehaviour::_OnInputCommand)
+    }
    virtual ~WeaponBehaviour() = default;

-    WeaponBehaviour(const WeaponBehaviour&) = delete;
-    WeaponBehaviour& operator=(const WeaponBehaviour &) = delete;
-
-    virtual void Fire() = 0;
-    virtual void CeaseFire() { }
-    virtual void Reload() { }
-    virtual void Update(double dt) { }
+    virtual void UpdateComponent(EntityWrapper& entity, ComponentWrapper& component, double dt) override
+    {
+        auto weapon = getActiveWeapon(entity);
+        if (!weapon) {
+            return;
+        } else {
+            UpdateWeapon(*weapon, dt);
+        }
+    }

 protected:
+    struct WeaponInfo
+    {
+        std::string WeaponComponent;
+        EntityWrapper Player;
+        EntityWrapper WeaponEntity;
+        EntityWrapper FirstPersonEntity;
+        EntityWrapper ThirdPersonEntity;
+        ComponentWrapper GetComponent() { return WeaponEntity[WeaponComponent]; }
+    };
+
    IRenderer* m_Renderer;
    Octree<EntityAABB>* m_CollisionOctree;
-    EntityWrapper m_Player;
+    std::unordered_map<EntityWrapper, WeaponInfo> m_ActiveWeapons;
+
+    virtual void UpdateWeapon(WeaponInfo& wi, double dt) { }
+    virtual void OnPrimaryFire(WeaponInfo& wi) { }
+    virtual void OnCeasePrimaryFire(WeaponInfo& wi) { }
+    virtual void OnReload(WeaponInfo& wi) { }
+    virtual bool OnInputCommand(WeaponInfo& wi, const Events::InputCommand& e) { return false; }
+
+private:
+    EventRelay<ETYPE, Events::InputCommand> m_EInputCommand;
+    bool _OnInputCommand(const Events::InputCommand& e)
+    {
+        EntityWrapper player = e.Player;
+        if (e.PlayerID == -1) {
+            player = LocalPlayer;
+        }
+
+        // Make sure the player is alive
+        if (!player.Valid()) {
+            return false;
+        }
+
+        // Make sure the player has this weapon
+        auto weapon = getWeaponComponent(player);
+        if (!weapon) {
+            return false;
+        }
+
+        // Weapon selection
+        if (e.Command == "SelectWeapon") {
+            if (static_cast<ComponentInfo::EnumType>(e.Value) == static_cast<ComponentInfo::EnumType>((*weapon)["Slot"])) {
+                selectWeapon(player);
+            }
+        }
+
+        // Only handle weapon actions if the weapon is active
+        auto activeWeapon = getActiveWeapon(player);
+        if (!activeWeapon) {
+            return false;
+        }
+
+        // Fire
+        if (e.Command == "PrimaryFire") {
+            if (e.Value > 0) {
+                OnPrimaryFire(*activeWeapon);
+            } else {
+                OnCeasePrimaryFire(*activeWeapon);
+            }
+        }
+
+        // Reload
+        if (e.Command == "Reload" && e.Value != 0) {
+            OnReload(*activeWeapon);
+        }
+
+        return OnInputCommand(*activeWeapon, e);
+    }
+
+    boost::optional<ComponentWrapper> getWeaponComponent(EntityWrapper player)
+    {
+        if (!player.HasComponent(m_ComponentType)) {
+            return boost::none;
+        }
+
+        return player[m_ComponentType];
+    }
+
+    boost::optional<WeaponInfo&> getActiveWeapon(EntityWrapper player)
+    {
+        auto it = m_ActiveWeapons.find(player);
+        if (it == m_ActiveWeapons.end()) {
+            return boost::none;
+        }
+        WeaponInfo& activeWeapon = it->second;
+
+        if (!activeWeapon.FirstPersonEntity.Valid() && !activeWeapon.ThirdPersonEntity.Valid()) {
+            return boost::none;
+        }
+
+        return activeWeapon;
+    }
+
+    void selectWeapon(EntityWrapper player)
+    {
+        // Find the weapon attachments matching the weapon type
+        std::vector<EntityWrapper> weaponAttachments = player.ChildrenWithComponent("WeaponAttachment");
+        EntityWrapper firstPersonAttachment;
+        EntityWrapper thirdPersonAttachment;
+        for (auto& attachment : weaponAttachments) {
+            ComponentWrapper cWeaponAttachment = attachment["WeaponAttachment"];
+            if ((std::string&)cWeaponAttachment["Weapon"] == m_ComponentType) {
+                ComponentWrapper::SubscriptProxy person = cWeaponAttachment["Person"];
+                if ((ComponentInfo::EnumType)person == person.Enum("FirstPerson")) {
+                    firstPersonAttachment = attachment;
+                } else if ((ComponentInfo::EnumType)person == person.Enum("ThirdPerson")) {
+                    thirdPersonAttachment = attachment;
+                }
+            }
+        }
+
+        if (!firstPersonAttachment.Valid() && !thirdPersonAttachment.Valid()) {
+            LOG_WARNING("No weapon attachment found for %s of player #%i", m_ComponentType.c_str(), player.ID);
+            return;
+        }
+
+        // Purge other weapon entities
+        for (auto& attachment : weaponAttachments) {
+            //if (attachment == firstPersonAttachment || attachment == thirdPersonAttachment) {
+            //    continue;
+            //}
+            attachment.DeleteChildren();
+        }
+
+        // Spawn the weapon(s)
+        EntityWrapper firstPersonWeapon;
+        EntityWrapper thirdPersonWeapon;
+        if (firstPersonAttachment.Valid()) {
+            firstPersonWeapon = SpawnerSystem::Spawn(firstPersonAttachment, firstPersonAttachment);
+        }
+        if (thirdPersonAttachment.Valid()) {
+            thirdPersonWeapon = SpawnerSystem::Spawn(thirdPersonAttachment, thirdPersonAttachment);
+        }
+
+        m_ActiveWeapons[player].WeaponComponent = m_ComponentType;
+        m_ActiveWeapons[player].Player = player;
+        m_ActiveWeapons[player].WeaponEntity = player;
+        m_ActiveWeapons[player].FirstPersonEntity = firstPersonWeapon;
+        m_ActiveWeapons[player].ThirdPersonEntity = thirdPersonWeapon;
+    }
 };

 #endif