From 38df088b80cb6c159eb9941cf6d3c0a8492e65ee Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Fri, 22 Apr 2022 19:53:36 +0200
Subject: Added invulnerability timer and death screen

---
 CMakeLists.txt |  1 +
 GameScreen.cpp |  4 ++++
 OverScreen.cpp | 36 ++++++++++++++++++++++++++++++++++++
 OverScreen.h   | 18 ++++++++++++++++++
 Player-inl.h   |  8 ++++++--
 Player.cpp     | 12 +++++++++++-
 Player.h       |  4 +++-
 7 files changed, 79 insertions(+), 4 deletions(-)
 create mode 100644 OverScreen.cpp
 create mode 100644 OverScreen.h

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 176b3f8..e3e9cea 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,6 +29,7 @@ add_executable(
     KeyboardController.cpp
     main.cpp
     Oscillating.cpp
+    OverScreen.cpp
     Player.cpp
     Stats.cpp
     TestStage.cpp
diff --git a/GameScreen.cpp b/GameScreen.cpp
index f813a60..1a8795f 100644
--- a/GameScreen.cpp
+++ b/GameScreen.cpp
@@ -5,6 +5,8 @@
 
 #include <raylib.h>
 
+#include "Globals.h"
+#include "OverScreen.h"
 #include "Stage.h"
 
 
@@ -20,6 +22,8 @@ void
 GameScreen::update(const float dt)
 {
     m_stage->update(dt);
+    if (m_stats->lifes < 0)
+        g_game.set(std::make_unique<OverScreen>(m_stats));
 }
 
 
diff --git a/OverScreen.cpp b/OverScreen.cpp
new file mode 100644
index 0000000..348e5a9
--- /dev/null
+++ b/OverScreen.cpp
@@ -0,0 +1,36 @@
+#include "OverScreen.h"
+
+#include <memory>
+
+#include <raylib.h>
+
+#include "Globals.h"
+#include "Stats.h"
+#include "TitleScreen.h"
+
+
+static constexpr const char* DIED {"The Bone is Gone"};
+
+
+OverScreen::OverScreen(std::shared_ptr<Stats> stats) :
+    m_stats {stats}
+{
+    const int screen_width = GetScreenWidth();
+    const int died_width = MeasureText(DIED, 20);
+    m_died_x = (screen_width - died_width) / 2;
+}
+
+
+void
+OverScreen::update(const float)
+{
+    if (IsKeyPressed(KEY_SPACE))
+        g_game.set(std::make_unique<TitleScreen>());
+}
+
+
+void
+OverScreen::draw()
+{
+    DrawText(DIED, m_died_x, 160, 20, RED);
+}
diff --git a/OverScreen.h b/OverScreen.h
new file mode 100644
index 0000000..3dd7fa2
--- /dev/null
+++ b/OverScreen.h
@@ -0,0 +1,18 @@
+#pragma once
+
+#include <memory>
+
+#include "Screen.h"
+#include "Stats.h"
+
+
+class OverScreen : public Screen
+{
+public:
+    explicit OverScreen(std::shared_ptr<Stats> stats);
+    void update(float dt) override;
+    void draw() override;
+private:
+    std::shared_ptr<Stats> m_stats;
+    int m_died_x;
+};
diff --git a/Player-inl.h b/Player-inl.h
index 140bfad..32f6117 100644
--- a/Player-inl.h
+++ b/Player-inl.h
@@ -7,11 +7,15 @@
 
 template<typename T>
 bool
-Player::collide(const std::vector<T>& bullets) const
+Player::collide(const std::vector<T>& bullets)
 {
+    if (m_invulnerability > 0)
+        return false;
     for (const auto& bullet : bullets) {
-        if (CheckCollisionCircles(m_position, 4, bullet.position, bullet.radius))
+        if (CheckCollisionCircles(m_position, 4, bullet.position, bullet.radius)) {
+            hit();
             return true;
+        }
     }
     return false;
 }
diff --git a/Player.cpp b/Player.cpp
index 490b810..4e13ad0 100644
--- a/Player.cpp
+++ b/Player.cpp
@@ -12,12 +12,14 @@ static constexpr float ACCELERATION {1800};
 static constexpr float MAX_SPEED {180};
 static constexpr float DAMP {2200};
 static constexpr float MARGIN {0.3f};
+static constexpr float HIT_INVUL {1.2f};
 
 
 static float damped_velocity(float dt, float direction, float velocity);
 
 
 Player::Player() :
+    m_invulnerability {HIT_INVUL / 2.f},
     m_position {400, 450},
     m_velocity {0, 0},
     m_controller {std::make_unique<KeyboardController>()}
@@ -33,13 +35,21 @@ Player::update(const float dt)
     m_velocity.y = std::clamp(damped_velocity(dt, direction.y, m_velocity.y), -MAX_SPEED, MAX_SPEED);
     m_position.x += m_velocity.x * dt;
     m_position.y += m_velocity.y * dt;
+    m_invulnerability -= dt;
 }
 
 
 void
 Player::draw()
 {
-    DrawCircle(m_position.x, m_position.y, 4, LIGHTGRAY);
+    DrawCircle(m_position.x, m_position.y, 4, m_invulnerability > 0 ? RED : LIGHTGRAY);
+}
+
+
+void
+Player::hit()
+{
+    m_invulnerability = HIT_INVUL;
 }
 
 
diff --git a/Player.h b/Player.h
index 59e8282..b1cb629 100644
--- a/Player.h
+++ b/Player.h
@@ -13,7 +13,9 @@ struct Player
     Player();
     void update(float dt);
     void draw();
-    template<typename T> bool collide(const std::vector<T>& bullets) const;
+    void hit();
+    template<typename T> bool collide(const std::vector<T>& bullets);
+    float m_invulnerability;
     Vector2 m_position;
     Vector2 m_velocity;
     std::unique_ptr<Controller> m_controller;
-- 
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