From a9f20148a4b3104f89004d459e8fd139d7f1baf5 Mon Sep 17 00:00:00 2001
From: Geno <4415544-telastrus@users.noreply.gitlab.com>
Date: Tue, 13 Aug 2019 17:54:13 +0000
Subject: [PATCH] added first person switch

---
 voxygen/src/scene/camera.rs | 19 +++++++++++++++++++
 voxygen/src/scene/mod.rs    | 20 ++------------------
 2 files changed, 21 insertions(+), 18 deletions(-)

diff --git a/voxygen/src/scene/camera.rs b/voxygen/src/scene/camera.rs
index 3021652bef..437dd12046 100644
--- a/voxygen/src/scene/camera.rs
+++ b/voxygen/src/scene/camera.rs
@@ -123,6 +123,25 @@ impl Camera {
         };
     }
 
+    /// Zoom with the ability to switch between first and third-person mode.
+    pub fn zoom_switch(&mut self, delta: f32) {
+        if delta > 0_f32 || self.mode != CameraMode::FirstPerson {
+            let t = self.tgt_dist + delta;
+            match self.mode {
+                CameraMode::ThirdPerson => {
+                    if t < 2_f32 {
+                        self.set_mode(CameraMode::FirstPerson);
+                    } else {
+                        self.tgt_dist = t;
+                    }
+                }
+                CameraMode::FirstPerson => {
+                    self.set_mode(CameraMode::ThirdPerson);
+                }
+            }
+        }
+    }
+
     /// Get the distance of the camera from the target
     pub fn get_distance(&self) -> f32 {
         self.tgt_dist
diff --git a/voxygen/src/scene/mod.rs b/voxygen/src/scene/mod.rs
index 8ad014a25b..50acb1a533 100644
--- a/voxygen/src/scene/mod.rs
+++ b/voxygen/src/scene/mod.rs
@@ -106,7 +106,7 @@ impl Scene {
             }
             // Zoom the camera when a zoom event occurs
             Event::Zoom(delta) => {
-                self.camera.zoom_by(delta * 0.3);
+                self.camera.zoom_switch(delta * 0.3);
                 true
             }
             // All other events are unhandled
@@ -127,12 +127,7 @@ impl Scene {
         // Alter camera position to match player.
         let tilt = self.camera.get_orientation().y;
         let dist = self.camera.get_distance();
-        let up = if client
-            .state()
-            .read_storage::<comp::CanBuild>()
-            .get(client.entity())
-            .is_some()
-        {
+        let up = if self.camera.get_mode() == CameraMode::FirstPerson {
             1.5
         } else {
             1.2
@@ -213,17 +208,6 @@ impl Scene {
             proj_mat,
         );
 
-        if client
-            .state()
-            .read_storage::<comp::CanBuild>()
-            .get(client.entity())
-            .is_some()
-        {
-            self.camera.set_mode(CameraMode::FirstPerson);
-        } else {
-            self.camera.set_mode(CameraMode::ThirdPerson);
-        }
-
         // Maintain the figures.
         self.figure_mgr.maintain(renderer, client);