From a1db9242ec491efdee70a7184aa61e861b17595a Mon Sep 17 00:00:00 2001
From: BlockMen <nmuelll@web.de>
Date: Wed, 8 Jan 2014 13:47:53 +0100
Subject: Add third person view

---
 src/game.cpp | 30 ++++++++++++++++++++++++++----
 1 file changed, 26 insertions(+), 4 deletions(-)

(limited to 'src/game.cpp')

diff --git a/src/game.cpp b/src/game.cpp
index f435a4d71..02308b65d 100644
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -977,6 +977,8 @@ bool nodePlacementPrediction(Client &client,
 	return false;
 }
 
+bool is_third_person = false;
+
 static void show_chat_menu(FormspecFormSource* current_formspec,
 		TextDest* current_textdest, IWritableTextureSource* tsrc,
 		IrrlichtDevice * device, Client* client, std::string text)
@@ -1470,6 +1472,8 @@ void the_game(bool &kill, bool random_input, InputHandler *input,
 	f32 camera_yaw = 0; // "right/left"
 	f32 camera_pitch = 0; // "up/down"
 
+	int current_camera_mode = CAMERA_MODE_FIRST; // start in first-person view
+
 	/*
 		Clouds
 	*/
@@ -2251,7 +2255,7 @@ void the_game(bool &kill, bool random_input, InputHandler *input,
 			else{
 				s32 dx = input->getMousePos().X - displaycenter.X;
 				s32 dy = input->getMousePos().Y - displaycenter.Y;
-				if(invert_mouse)
+				if(invert_mouse || player->camera_mode == CAMERA_MODE_THIRD_FRONT)
 					dy = -dy;
 				//infostream<<"window active, pos difference "<<dx<<","<<dy<<std::endl;
 				
@@ -2659,9 +2663,21 @@ void the_game(bool &kill, bool random_input, InputHandler *input,
 		LocalPlayer* player = client.getEnv().getLocalPlayer();
 		float full_punch_interval = playeritem_toolcap.full_punch_interval;
 		float tool_reload_ratio = time_from_last_punch / full_punch_interval;
+
+		if(input->wasKeyDown(getKeySetting("keymap_camera_mode"))) {
+
+			if (current_camera_mode == CAMERA_MODE_FIRST)
+				current_camera_mode = CAMERA_MODE_THIRD;
+			else if (current_camera_mode == CAMERA_MODE_THIRD)
+				current_camera_mode = CAMERA_MODE_THIRD_FRONT;
+			else
+				current_camera_mode = CAMERA_MODE_FIRST;
+
+		}
+		player->camera_mode = current_camera_mode;
 		tool_reload_ratio = MYMIN(tool_reload_ratio, 1.0);
-		camera.update(player, dtime, busytime, screensize,
-				tool_reload_ratio);
+		camera.update(player, dtime, busytime, screensize, tool_reload_ratio,
+				current_camera_mode, client.getEnv());
 		camera.step(dtime);
 
 		v3f player_position = player->getPosition();
@@ -2717,6 +2733,10 @@ void the_game(bool &kill, bool random_input, InputHandler *input,
 		core::line3d<f32> shootline(camera_position,
 				camera_position + camera_direction * BS * (d+1));
 
+		// prevent player pointing anything in front-view
+		if (current_camera_mode == CAMERA_MODE_THIRD_FRONT)
+			shootline = core::line3d<f32>(0,0,0,0,0,0);
+
 		ClientActiveObject *selected_object = NULL;
 
 		PointedThing pointed = getPointedThing(
@@ -3507,7 +3527,9 @@ void the_game(bool &kill, bool random_input, InputHandler *input,
 		/*
 			Wielded tool
 		*/
-		if(show_hud && (player->hud_flags & HUD_FLAG_WIELDITEM_VISIBLE))
+		if(show_hud &&
+			(player->hud_flags & HUD_FLAG_WIELDITEM_VISIBLE) &&
+			current_camera_mode < CAMERA_MODE_THIRD)
 		{
 			// Warning: This clears the Z buffer.
 			camera.drawWieldedTool();
-- 
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