From: Daniel Karbach <daniel.karbach@localhorst.tv>
Date: Tue, 4 Aug 2015 16:29:04 +0000 (+0200)
Subject: make entities removable
X-Git-Url: https://git.localhorst.tv/?a=commitdiff_plain;h=12744a2f68b3c9496076d6d7b6fb3581ff78472a;p=blank.git

make entities removable
---

diff --git a/src/world/Entity.cpp b/src/world/Entity.cpp
index 79a09ea..b06dbc3 100644
--- a/src/world/Entity.cpp
+++ b/src/world/Entity.cpp
@@ -23,7 +23,8 @@ Entity::Entity() noexcept
 , chunk(0, 0, 0)
 , angular_velocity(1.0f, 0.0f, 0.0f, 0.0f)
 , rotation(1.0f)
-, world_collision(false) {
+, world_collision(false)
+, remove(false) {
 
 }
 
diff --git a/src/world/Entity.hpp b/src/world/Entity.hpp
index 05d795f..48646e8 100644
--- a/src/world/Entity.hpp
+++ b/src/world/Entity.hpp
@@ -57,6 +57,9 @@ public:
 	glm::mat4 Transform(const Chunk::Pos &chunk_offset) const noexcept;
 	Ray Aim(const Chunk::Pos &chunk_offset) const noexcept;
 
+	void Remove() noexcept { remove = true; }
+	bool CanRemove() const noexcept { return remove; }
+
 	void Update(int dt) noexcept;
 
 	void Draw() noexcept;
@@ -77,6 +80,7 @@ private:
 	glm::mat4 rotation;
 
 	bool world_collision;
+	bool remove;
 
 };
 
diff --git a/src/world/World.cpp b/src/world/World.cpp
index 97dcc08..dc07818 100644
--- a/src/world/World.cpp
+++ b/src/world/World.cpp
@@ -257,6 +257,13 @@ void World::Update(int dt) {
 			Resolve(entity, col);
 		}
 	}
+	for (auto iter = entities.begin(), end = entities.end(); iter != end;) {
+		if (iter->CanRemove()) {
+			iter = entities.erase(iter);
+		} else {
+			++iter;
+		}
+	}
 	chunks.Rebase(player->ChunkCoords());
 	chunks.Update(dt);
 }