From a637e177e39e98f448e9527439a0b2659d145bf2 Mon Sep 17 00:00:00 2001
From: "Way, No" <noway@2ch.hk>
Date: Wed, 17 Dec 2014 01:17:03 +1000
Subject: [PATCH] added first person view

---
 Sources/Client/Client.h         |  1 +
 Sources/Client/Client_Input.cpp |  4 ++++
 Sources/Client/Client_Scene.cpp | 16 +++++++++++-----
 3 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/Sources/Client/Client.h b/Sources/Client/Client.h
index e226928e..bfd658b8 100644
--- a/Sources/Client/Client.h
+++ b/Sources/Client/Client.h
@@ -138,6 +138,7 @@ namespace spades {
 			KeypadInput keypadInput;
 			Player::ToolType lastTool;
 			bool hasLastTool;
+			bool FirstPersonSpectate;
 			Vector3 lastFront;
 			float lastPosSentTime;
 			int lastHealth;
diff --git a/Sources/Client/Client_Input.cpp b/Sources/Client/Client_Input.cpp
index cdc5e255..2fcb1307 100644
--- a/Sources/Client/Client_Input.cpp
+++ b/Sources/Client/Client_Input.cpp
@@ -92,6 +92,7 @@ namespace spades {
 			return readyToClose;
 		}
 		
+		bool FirstPersonSpectate = false;
 		
 		void Client::Closing() {
 			SPADES_MARK_FUNCTION();
@@ -382,6 +383,9 @@ namespace spades {
 					}else if(CheckKey(cg_keySneak, name)){
 						playerInput.sneak = down;
 					}else if(CheckKey(cg_keyJump, name)){
+						if(down){
+							FirstPersonSpectate = !FirstPersonSpectate;
+						}
 						playerInput.jump = down;
 					}else if(CheckKey(cg_keyAttack, name)){
 						weapInput.primary = down;
diff --git a/Sources/Client/Client_Scene.cpp b/Sources/Client/Client_Scene.cpp
index f28f4698..dd0254ce 100644
--- a/Sources/Client/Client_Scene.cpp
+++ b/Sources/Client/Client_Scene.cpp
@@ -196,11 +196,17 @@ namespace spades {
 						Vector3 front = center - eye;
 						front = front.Normalize();
 						
-						def.viewOrigin = eye;
-						def.viewAxis[0] = -Vector3::Cross(up, front).Normalize();
-						def.viewAxis[1] = -Vector3::Cross(front, def.viewAxis[0]).Normalize();
-						def.viewAxis[2] = front;
-						
+						if(FirstPersonSpectate == false){
+							def.viewOrigin = eye;
+							def.viewAxis[0] = -Vector3::Cross(up, front).Normalize();
+							def.viewAxis[1] = -Vector3::Cross(front, def.viewAxis[0]).Normalize();
+							def.viewAxis[2] = front;
+						}else{
+							def.viewOrigin = player->GetEye();
+							def.viewAxis[0] = player->GetRight();
+							def.viewAxis[1] = player->GetUp();
+							def.viewAxis[2] = player->GetFront();
+						}
 						
 						def.fovY = (float)cg_fov * static_cast<float>(M_PI) /180.f;
 						def.fovX = atanf(tanf(def.fovY * .5f) *