From aa5ec2ec02f331542dfe40e781c7c93ee4c0c131 Mon Sep 17 00:00:00 2001
From: random-geek <35757396+random-geek@users.noreply.github.com>
Date: Sun, 30 Dec 2018 16:07:30 -0800
Subject: Extend pitch fly mode to swimming (#7943)

---
 src/client/clientenvironment.cpp |  3 ++-
 src/client/game.cpp              | 18 +++++++++---------
 src/client/inputhandler.cpp      |  2 +-
 src/client/keys.h                |  2 +-
 src/client/localplayer.cpp       | 12 ++++++++++--
 src/client/localplayer.h         |  1 +
 6 files changed, 24 insertions(+), 14 deletions(-)

(limited to 'src/client')

diff --git a/src/client/clientenvironment.cpp b/src/client/clientenvironment.cpp
index 7c2ec099c..1783e8961 100644
--- a/src/client/clientenvironment.cpp
+++ b/src/client/clientenvironment.cpp
@@ -170,7 +170,8 @@ void ClientEnvironment::step(float dtime)
 						lplayer->physics_override_gravity * dtime_part * 2.0f;
 
 				// Liquid floating / sinking
-				if (lplayer->in_liquid && !lplayer->swimming_vertical)
+				if (lplayer->in_liquid && !lplayer->swimming_vertical &&
+						!lplayer->swimming_pitch)
 					speed.Y -= lplayer->movement_liquid_sink * dtime_part * 2.0f;
 
 				// Liquid resistance
diff --git a/src/client/game.cpp b/src/client/game.cpp
index 06e8eefe3..bd37bd58a 100644
--- a/src/client/game.cpp
+++ b/src/client/game.cpp
@@ -702,7 +702,7 @@ protected:
 	void openConsole(float scale, const wchar_t *line=NULL);
 	void toggleFreeMove();
 	void toggleFreeMoveAlt();
-	void togglePitchFly();
+	void togglePitchMove();
 	void toggleFast();
 	void toggleNoClip();
 	void toggleCinematic();
@@ -1898,8 +1898,8 @@ void Game::processKeyInput()
 		toggleFreeMove();
 	} else if (wasKeyDown(KeyType::JUMP)) {
 		toggleFreeMoveAlt();
-	} else if (wasKeyDown(KeyType::PITCHFLY)) {
-		togglePitchFly();
+	} else if (wasKeyDown(KeyType::PITCHMOVE)) {
+		togglePitchMove();
 	} else if (wasKeyDown(KeyType::FASTMOVE)) {
 		toggleFast();
 	} else if (wasKeyDown(KeyType::NOCLIP)) {
@@ -2109,15 +2109,15 @@ void Game::toggleFreeMoveAlt()
 }
 
 
-void Game::togglePitchFly()
+void Game::togglePitchMove()
 {
-	bool pitch_fly = !g_settings->getBool("pitch_fly");
-	g_settings->set("pitch_fly", bool_to_cstr(pitch_fly));
+	bool pitch_move = !g_settings->getBool("pitch_move");
+	g_settings->set("pitch_move", bool_to_cstr(pitch_move));
 
-	if (pitch_fly) {
-		m_game_ui->showTranslatedStatusText("Pitch fly mode enabled");
+	if (pitch_move) {
+		m_game_ui->showTranslatedStatusText("Pitch move mode enabled");
 	} else {
-		m_game_ui->showTranslatedStatusText("Pitch fly mode disabled");
+		m_game_ui->showTranslatedStatusText("Pitch move mode disabled");
 	}
 }
 
diff --git a/src/client/inputhandler.cpp b/src/client/inputhandler.cpp
index 2692e9f1e..a79b04a90 100644
--- a/src/client/inputhandler.cpp
+++ b/src/client/inputhandler.cpp
@@ -48,7 +48,7 @@ void KeyCache::populate()
 	key[KeyType::CONSOLE] = getKeySetting("keymap_console");
 	key[KeyType::MINIMAP] = getKeySetting("keymap_minimap");
 	key[KeyType::FREEMOVE] = getKeySetting("keymap_freemove");
-	key[KeyType::PITCHFLY] = getKeySetting("keymap_pitchfly");
+	key[KeyType::PITCHMOVE] = getKeySetting("keymap_pitchmove");
 	key[KeyType::FASTMOVE] = getKeySetting("keymap_fastmove");
 	key[KeyType::NOCLIP] = getKeySetting("keymap_noclip");
 	key[KeyType::HOTBAR_PREV] = getKeySetting("keymap_hotbar_previous");
diff --git a/src/client/keys.h b/src/client/keys.h
index 28c6574ba..50d3d194b 100644
--- a/src/client/keys.h
+++ b/src/client/keys.h
@@ -47,7 +47,7 @@ public:
 		CONSOLE,
 		MINIMAP,
 		FREEMOVE,
-		PITCHFLY,
+		PITCHMOVE,
 		FASTMOVE,
 		NOCLIP,
 		HOTBAR_PREV,
diff --git a/src/client/localplayer.cpp b/src/client/localplayer.cpp
index c15c90931..dbb50d397 100644
--- a/src/client/localplayer.cpp
+++ b/src/client/localplayer.cpp
@@ -468,6 +468,7 @@ void LocalPlayer::applyControl(float dtime, Environment *env)
 {
 	// Clear stuff
 	swimming_vertical = false;
+	swimming_pitch = false;
 
 	setPitch(control.pitch);
 	setYaw(control.yaw);
@@ -492,7 +493,7 @@ void LocalPlayer::applyControl(float dtime, Environment *env)
 
 	bool free_move = fly_allowed && player_settings.free_move;
 	bool fast_move = fast_allowed && player_settings.fast_move;
-	bool pitch_fly = free_move && player_settings.pitch_fly;
+	bool pitch_move = (free_move || in_liquid) && player_settings.pitch_move;
 	// When aux1_descends is enabled the fast key is used to go down, so fast isn't possible
 	bool fast_climb = fast_move && control.aux1 && !player_settings.aux1_descends;
 	bool continuous_forward = player_settings.continuous_forward;
@@ -685,10 +686,17 @@ void LocalPlayer::applyControl(float dtime, Environment *env)
 	if (!free_move)
 		slip_factor = getSlipFactor(env, speedH);
 
+	// Don't sink when swimming in pitch mode
+	if (pitch_move && in_liquid) {
+		v3f controlSpeed = speedH + speedV;
+		if (controlSpeed.getLength() > 0.01f)
+			swimming_pitch = true;
+	}
+
 	// Accelerate to target speed with maximum increment
 	accelerate((speedH + speedV) * physics_override_speed,
 			incH * physics_override_speed * slip_factor, incV * physics_override_speed,
-			pitch_fly);
+			pitch_move);
 }
 
 v3s16 LocalPlayer::getStandingNodePos()
diff --git a/src/client/localplayer.h b/src/client/localplayer.h
index 28404aa01..b1fc1fbc8 100644
--- a/src/client/localplayer.h
+++ b/src/client/localplayer.h
@@ -62,6 +62,7 @@ public:
 	u8 liquid_viscosity = 0;
 	bool is_climbing = false;
 	bool swimming_vertical = false;
+	bool swimming_pitch = false;
 
 	float physics_override_speed = 1.0f;
 	float physics_override_jump = 1.0f;
-- 
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