From 5e8eee742138f2578e83e710ffc41408abd3073f Mon Sep 17 00:00:00 2001
From: Daniel Karbach <daniel.karbach@localhorst.tv>
Date: Thu, 13 Aug 2015 18:30:13 +0200
Subject: [PATCH] show player orientation in debug overlay

---
 src/model/geometry.hpp | 12 ++++++++++++
 src/ui/Interface.hpp   |  4 ++++
 src/ui/ui.cpp          | 37 ++++++++++++++++++++++++-------------
 3 files changed, 40 insertions(+), 13 deletions(-)

diff --git a/src/model/geometry.hpp b/src/model/geometry.hpp
index df45fff..f1b3762 100644
--- a/src/model/geometry.hpp
+++ b/src/model/geometry.hpp
@@ -13,6 +13,18 @@ constexpr float PI_0p5 = PI * 0.5f;
 constexpr float PI_1p5 = PI * 1.5f;
 constexpr float PI_2p0 = PI * 2.0f;
 
+constexpr float DEG_RAD_FACTOR = PI / 180.0f;
+constexpr float RAD_DEG_FACTOR = 180.0f / PI;
+
+constexpr float deg2rad(float d) {
+	return d * DEG_RAD_FACTOR;
+}
+
+constexpr float rad2deg(float r) {
+	return r * RAD_DEG_FACTOR;
+}
+
+
 struct AABB {
 	glm::vec3 min;
 	glm::vec3 max;
diff --git a/src/ui/Interface.hpp b/src/ui/Interface.hpp
index 0cffd76..d045cc9 100644
--- a/src/ui/Interface.hpp
+++ b/src/ui/Interface.hpp
@@ -70,6 +70,7 @@ public:
 	void ToggleDebug();
 	void UpdateCounter();
 	void UpdatePosition();
+	void UpdateOrientation();
 
 	void PostMessage(const char *);
 	void PostMessage(const std::string &msg) {
@@ -99,6 +100,7 @@ private:
 
 	FixedText counter_text;
 	FixedText position_text;
+	FixedText orientation_text;
 	MessageBox messages;
 	IntervalTimer msg_timer;
 
@@ -115,6 +117,8 @@ private:
 
 	glm::ivec3 fwd, rev;
 
+	bool debug;
+
 };
 
 }
diff --git a/src/ui/ui.cpp b/src/ui/ui.cpp
index f9836ba..6dfe516 100644
--- a/src/ui/ui.cpp
+++ b/src/ui/ui.cpp
@@ -107,6 +107,8 @@ Interface::Interface(
 , outline()
 , outline_transform(1.0f)
 , counter_text()
+, position_text()
+, orientation_text()
 , messages(env.assets.small_ui_font)
 , msg_timer(5000)
 , config(config)
@@ -117,15 +119,17 @@ Interface::Interface(
 , place_sound(env.assets.LoadSound("thump"))
 , remove_sound(env.assets.LoadSound("plop"))
 , fwd(0)
-, rev(0) {
-	counter_text.Hide();
+, rev(0)
+, debug(false) {
 	counter_text.Position(glm::vec3(-25.0f, 25.0f, 0.0f), Gravity::NORTH_EAST);
 	counter_text.Foreground(glm::vec4(1.0f));
 	counter_text.Background(glm::vec4(0.5f));
-	position_text.Hide();
 	position_text.Position(glm::vec3(-25.0f, 25.0f + env.assets.small_ui_font.LineSkip(), 0.0f), Gravity::NORTH_EAST);
 	position_text.Foreground(glm::vec4(1.0f));
 	position_text.Background(glm::vec4(0.5f));
+	orientation_text.Position(glm::vec3(-25.0f, 25.0f + 2 * env.assets.small_ui_font.LineSkip(), 0.0f), Gravity::NORTH_EAST);
+	orientation_text.Foreground(glm::vec4(1.0f));
+	orientation_text.Background(glm::vec4(0.5f));
 	messages.Position(glm::vec3(25.0f, -25.0f, 0.0f), Gravity::SOUTH_WEST);
 	messages.Foreground(glm::vec4(1.0f));
 	messages.Background(glm::vec4(0.5f));
@@ -341,11 +345,11 @@ void Interface::ToggleVisual() {
 }
 
 void Interface::ToggleDebug() {
-	counter_text.Toggle();
-	position_text.Toggle();
-	if (counter_text.Visible()) {
+	debug = !debug;
+	if (debug) {
 		UpdateCounter();
 		UpdatePosition();
+		UpdateOrientation();
 	}
 }
 
@@ -364,6 +368,13 @@ void Interface::UpdatePosition() {
 	position_text.Set(env.assets.small_ui_font, s.str());
 }
 
+void Interface::UpdateOrientation() {
+	std::stringstream s;
+	s << std::setprecision(3) << "pitch: " << rad2deg(ctrl.Pitch())
+		<< ", yaw: " << rad2deg(ctrl.Yaw());
+	orientation_text.Set(env.assets.small_ui_font, s.str());
+}
+
 
 void Interface::Handle(const SDL_MouseMotionEvent &event) {
 	if (config.mouse_disabled) return;
@@ -492,11 +503,12 @@ void Interface::Update(int dt) {
 		CheckAim();
 	}
 
-	if (counter_text.Visible() && env.counter.Changed()) {
-		UpdateCounter();
-	}
-	if (position_text.Visible()) {
+	if (debug) {
+		if (env.counter.Changed()) {
+			UpdateCounter();
+		}
 		UpdatePosition();
+		UpdateOrientation();
 	}
 }
 
@@ -530,11 +542,10 @@ void Interface::Render(Viewport &viewport) noexcept {
 		outline.Draw();
 	}
 
-	if (counter_text.Visible()) {
+	if (debug) {
 		counter_text.Render(viewport);
-	}
-	if (position_text.Visible()) {
 		position_text.Render(viewport);
+		orientation_text.Render(viewport);
 	}
 
 	if (msg_timer.Running()) {
-- 
2.39.2