From 954adaf2af9284945185e58d8017041ea1ff4868 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Ond=C5=99ej=20Ho=C5=A1ek?= <ondra.hosek@gmail.com>
Date: Mon, 16 May 2005 18:27:06 +0000
Subject: [PATCH] Implemented Yoshi's Island-style flapping (based on Wansti's
 code) and force-activated it. If you still want to choose a flapping style,
 define CHOOSEFLAPSTYLE in config.h.

SVN-Revision: 2495
---
 src/object/player.cpp | 49 ++++++++++++++++++++++++++-----------------------
 src/object/player.h   |  2 ++
 2 files changed, 28 insertions(+), 23 deletions(-)

diff --git a/src/object/player.cpp b/src/object/player.cpp
index 1a2d6c110..f5821c06c 100644
--- a/src/object/player.cpp
+++ b/src/object/player.cpp
@@ -343,7 +343,7 @@ Player::handle_vertical_input()
     flapping = false;
     falling_from_flap = false;
     if (flapping_timer.started()) {
-      flapping_timer.start(0);
+      flapping_timer.stop();
     }
 
     physic.set_acceleration_y(0); //for flapping
@@ -351,15 +351,12 @@ Player::handle_vertical_input()
 
   // Press jump key
   if(controller->pressed(Controller::JUMP) && can_jump && on_ground()) {
-    if(duck) { // only jump a little bit when in duck mode {
+    if (duck) // only jump a little bit when in duck mode
       physic.set_velocity_y(300);
-    } else {
-      // jump higher if we are running
-      if (fabs(physic.get_velocity_x()) > MAX_WALK_XM)
-        physic.set_velocity_y(580);
-      else
-        physic.set_velocity_y(520);
-    }
+    else if (fabs(physic.get_velocity_x()) > MAX_WALK_XM) // jump higher if we are running
+      physic.set_velocity_y(580);
+    else
+      physic.set_velocity_y(520);
     
     //bbox.move(Vector(0, -1));
     jumping = true;
@@ -380,8 +377,8 @@ Player::handle_vertical_input()
       physic.set_velocity_y(0);
     }
   }
-
-  // temporary to help player's choosing a flapping
+#if CHOOSEFLAPSTYLE
+  // temporary to help players choosing a flapping
   if(flapping_mode == RICARDO_FLAP) {
     // Flapping, Ricardo's version
     // similar to SM3 Fox
@@ -391,35 +388,40 @@ Player::handle_vertical_input()
       flaps_nb++;
     }
   } else if(flapping_mode == MAREK_FLAP) {
-    // Flapping, Marek's version
+#endif
+    // Flapping, Marek and Ondra's version
     if (controller->hold(Controller::JUMP) && can_flap)
     {
-      if (!flapping_timer.started())
-      {
-        flapping_timer.start(TUX_FLAPPING_TIME);
-        flapping_velocity = physic.get_velocity_x();
-      }
       if (flapping_timer.check()) 
       {
         can_flap = false;
+        //flapping = false;
         falling_from_flap = true;
       }
-      jumping = true;
-      flapping = true;
-      if (!flapping_timer.check()) {
+      else if (!flapping_timer.started())
+      {
+        flapping_timer.start(TUX_FLAPPING_TIME);
+        flapping_velocity = physic.get_velocity_x();
+      }
+      else
+      {
+        jumping = true;
+        flapping = true;
         float cv = flapping_velocity * sqrt(
           TUX_FLAPPING_TIME - flapping_timer.get_timegone() 
           / TUX_FLAPPING_TIME);
-        
+      
         //Handle change of direction while flapping
         if (((dir == LEFT) && (cv > 0)) || (dir == RIGHT) && (cv < 0)) {
           cv *= (-1);
         }
         physic.set_velocity_x(cv);
-        physic.set_velocity_y(
-          flapping_timer.get_timegone()/.850);
+        physic.set_velocity_y(flapping_timer.get_timegone()
+            * TUX_FLAPPING_STRENGTH);
+        //std::cout << "Timegone: " << flapping_timer.get_timegone() << ", Y velocity: " << physic.get_velocity_y() << "\n";
       }
     }
+#if CHOOSEFLAPSTYLE
   } else if(flapping_mode == RYAN_FLAP) {
     // Flapping, Ryan's version
     if (controller->hold(Controller::JUMP) && can_flap)
@@ -461,6 +463,7 @@ Player::handle_vertical_input()
       physic.set_acceleration_y(0);
     }
   }
+#endif
 
   /* In case the player has pressed Down while in a certain range of air,
      enable butt jump action */
diff --git a/src/object/player.h b/src/object/player.h
index 22fb0f295..45ee08628 100644
--- a/src/object/player.h
+++ b/src/object/player.h
@@ -39,6 +39,7 @@ static const float TUX_SAFE_TIME = 1.250;
 static const float TUX_INVINCIBLE_TIME = 10.0;
 static const float TUX_INVINCIBLE_TIME_WARNING = 2.0;
 static const float TUX_FLAPPING_TIME = 1; /* How long Tux can flap his wings to gain additional jump height */
+static const float TUX_FLAPPING_STRENGTH = 150; /* How much velocity Tux gains when flapping */
 static const float GROWING_TIME = 1.0;
 static const int GROWING_FRAMES = 7;
 
@@ -112,6 +113,7 @@ public:
   int flaps_nb;
 
   // temporary to help player's choosing a flapping
+  // TODO: remove this after agreeing on flapstyle!
   enum { MAREK_FLAP, RICARDO_FLAP, RYAN_FLAP, NO_FLAP };
   int flapping_mode;
 
-- 
2.11.0