#303: Typo fixes from mathnerd314

[supertux.git] / src / object / gameobjs.cpp

diff --git a/src/object/gameobjs.cpp b/src/object/gameobjs.cpp
index 7e4a983..a0276ed 100644 (file)
--- a/src/object/gameobjs.cpp
+++ b/src/object/gameobjs.cpp
@@ -1,8 +1,7 @@
 //  $Id$
-// 
+//
 //  SuperTux
-//  Copyright (C) 2000 Bill Kendrick <bill@newbreedsoftware.com>
-//  Copyright (C) 2004 Tobias Glaesser <tobi.web@gmx.de>
+//  Copyright (C) 2006 Matthias Braun <matze@braunis.de>
 //
 //  This program is free software; you can redistribute it and/or
 //  modify it under the terms of the GNU General Public License
@@ -13,11 +12,11 @@
 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 //  GNU General Public License for more details.
-// 
+//
 //  You should have received a copy of the GNU General Public License
 //  along with this program; if not, write to the Free Software
-//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-//  02111-1307, USA.
+//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
 #include <config.h>
 
 #include <algorithm>
@@ -36,13 +35,22 @@
 #include "video/drawing_context.hpp"
 #include "camera.hpp"
 #include "main.hpp"
+#include "random_generator.hpp"
 
-BouncyCoin::BouncyCoin(const Vector& pos)
-  : position(pos)
+/** this controls the time over which a bouncy coin fades */
+static const float FADE_TIME = .2f;
+/** this is the total life time of a bouncy coin */
+static const float LIFE_TIME = .5f;
+
+BouncyCoin::BouncyCoin(const Vector& pos, bool emerge)
+  : position(pos), emerge_distance(0)
 {
-  timer.start(.3);
+  timer.start(LIFE_TIME);
   sprite = sprite_manager->create("images/objects/coin/coin.sprite");
-  sprite->set_action("still");
+
+  if(emerge) {
+    emerge_distance = sprite->get_height();
+  }
 }
 
 BouncyCoin::~BouncyCoin()
@@ -53,7 +61,9 @@ BouncyCoin::~BouncyCoin()
 void
 BouncyCoin::update(float elapsed_time)
 {
-  position.y += -200 * elapsed_time;
+  float dist = -200 * elapsed_time;
+  position.y += dist;
+  emerge_distance += dist;
 
   if(timer.check())
     remove_me();
@@ -62,7 +72,25 @@ BouncyCoin::update(float elapsed_time)
 void
 BouncyCoin::draw(DrawingContext& context)
 {
-  sprite->draw(context, position, LAYER_OBJECTS);
+  float time_left = timer.get_timeleft();
+  bool fading = time_left < FADE_TIME;
+  if(fading) {
+    float alpha = time_left/FADE_TIME;
+    context.push_transform();
+    context.set_alpha(alpha);
+  }
+
+  int layer;
+  if(emerge_distance > 0) {
+    layer = LAYER_OBJECTS - 5;
+  } else {
+    layer = LAYER_OBJECTS + 5;
+  }
+  sprite->draw(context, position, layer);
+
+  if(fading) {
+    context.pop_transform();
+  }
 }
 
 //---------------------------------------------------------------------------
@@ -71,7 +99,7 @@ BrokenBrick::BrokenBrick(Sprite* nsprite,
     const Vector& pos, const Vector& nmovement)
   : sprite(new Sprite(*nsprite)), position(pos), movement(nmovement)
 {
-  timer.start(.2);
+  timer.start(.2f);
 }
 
 BrokenBrick::~BrokenBrick()
@@ -92,7 +120,7 @@ void
 BrokenBrick::draw(DrawingContext& context)
 {
   sprite->draw_part(context,
-      Vector(rand() % 16, rand() % 16), Vector(16, 16),
+      Vector(systemRandom.rand(16), systemRandom.rand(16)), Vector(16, 16),
       position, LAYER_OBJECTS + 1);
 }
 
@@ -101,14 +129,14 @@ BrokenBrick::draw(DrawingContext& context)
 FloatingText::FloatingText(const Vector& pos, const std::string& text_)
   : position(pos), text(text_)
 {
-  timer.start(.1);
+  timer.start(.1f);
   position.x -= text.size() * 8;
 }
 
 FloatingText::FloatingText(const Vector& pos, int score)
   : position(pos)
 {
-  timer.start(.1);
+  timer.start(.1f);
 
   // turn int into a string
   char str[10];
@@ -132,7 +160,7 @@ FloatingText::update(float elapsed_time)
 void
 FloatingText::draw(DrawingContext& context)
 {
-  // make an alpha animation when disapearing
+  // make an alpha animation when disappearing
   int alpha;
   if(timer.get_timeleft() < FADING_TIME)
     alpha = int(timer.get_timeleft() * 255 / FADING_TIME);
@@ -142,7 +170,7 @@ FloatingText::draw(DrawingContext& context)
   context.push_transform();
   context.set_alpha(alpha);
 
-  context.draw_text(gold_text, text, position, LEFT_ALLIGN, LAYER_OBJECTS+1);
+  context.draw_text(gold_text, text, position, ALIGN_LEFT, LAYER_OBJECTS+1);
 
   context.pop_transform();
 }
@@ -152,7 +180,7 @@ Sprite *img_smoke_cloud = 0;
 SmokeCloud::SmokeCloud(const Vector& pos)
   : position(pos)
 {
-  timer.start(.3);
+  timer.start(.3f);
   sprite = sprite_manager->create("images/objects/particles/stomp.sprite");
 }
 
@@ -175,4 +203,3 @@ SmokeCloud::draw(DrawingContext& context)
 {
   sprite->draw(context, position, LAYER_OBJECTS+1);
 }
-