From 6034c8ffca02d76e6e705b407055e985b5cb1de0 Mon Sep 17 00:00:00 2001
From: Matthias Braun <matze@braunis.de>
Date: Sat, 26 May 2007 16:40:12 +0000
Subject: [PATCH] first tries at sucking

SVN-Revision: 5027
---
 src/badguy/ghosttree.cpp     | 38 ++++++++++++++++++++------------------
 src/badguy/ghosttree.hpp     |  3 +--
 src/badguy/treewillowisp.cpp | 19 ++++++++++++++++++-
 src/badguy/treewillowisp.hpp |  3 ++-
 4 files changed, 41 insertions(+), 22 deletions(-)

diff --git a/src/badguy/ghosttree.cpp b/src/badguy/ghosttree.cpp
index 5fd1fcb69..917345b7f 100644
--- a/src/badguy/ghosttree.cpp
+++ b/src/badguy/ghosttree.cpp
@@ -51,19 +51,26 @@ GhostTree::active_update(float elapsed_time)
   (void) elapsed_time;
 
   if(colorchange_timer.check()) {
-    treecolor++;
-    if(treecolor > 5)
-        treecolor = 0;
+    treecolor = (treecolor + 1) % 3;
 
+    Color col;
     switch(treecolor) {
-    case 0: sprite->set_color(Color(1, 0, 0)); break;
-    case 1: sprite->set_color(Color(0, 1, 0)); break;
-    case 2: sprite->set_color(Color(0, 0, 1)); break;
-    case 3: sprite->set_color(Color(1, 1, 0)); break;
-    case 4: sprite->set_color(Color(1, 0, 1)); break;
-    case 5: sprite->set_color(Color(0, 1, 1)); break;
+    case 0: col = Color(1, 0, 0); break;
+    case 1: col = Color(0, 1, 0); break;
+    case 2: col = Color(0, 0, 1); break;
+    case 3: col = Color(1, 1, 0); break;
+    case 4: col = Color(1, 0, 1); break;
+    case 5: col = Color(0, 1, 1); break;
     default: assert(false);
     }
+    sprite->set_color(col);
+    std::vector<TreeWillOWisp*>::iterator iter;
+    for(iter = willowisps.begin(); iter != willowisps.end(); ++iter) {
+      TreeWillOWisp *willo = *iter;
+      if(willo->get_color() == col) {
+        willo->start_sucking();
+      }
+    }
   }
 
   if(willowisp_timer.check()) {
@@ -89,9 +96,10 @@ GhostTree::active_update(float elapsed_time)
         willo_speed = 1.8f;
       }
 
-      willo_color++;
-      if(willo_color > 5)
-        willo_color = 0;
+      do {
+        willo_color = (willo_color + 1) % 3;
+      } while(willo_color == treecolor);
+
       switch(willo_color) {
       case 0: willowisp->set_color(Color(1, 0, 0)); break;
       case 1: willowisp->set_color(Color(0, 1, 0)); break;
@@ -118,11 +126,5 @@ GhostTree::willowisp_died(TreeWillOWisp *willowisp)
   willowisps.erase(std::find(willowisps.begin(), willowisps.end(), willowisp));
 }
 
-void
-GhostTree::start_sucking()
-{
-  /* TODO create a particle system to indicate the sucking... */
-}
-
 IMPLEMENT_FACTORY(GhostTree, "ghosttree");
 
diff --git a/src/badguy/ghosttree.hpp b/src/badguy/ghosttree.hpp
index df077883a..109ba3d25 100644
--- a/src/badguy/ghosttree.hpp
+++ b/src/badguy/ghosttree.hpp
@@ -32,8 +32,7 @@ public:
 
   void activate();
   void active_update(float elapsed_time);
-  void willowisp_died(TreeWillOWisp *willowisp);
-  void start_sucking();
+  void willowisp_died(TreeWillOWisp* willowisp);
 
 private:
   Timer willowisp_timer;
diff --git a/src/badguy/treewillowisp.cpp b/src/badguy/treewillowisp.cpp
index c3d14e0e5..c143406e8 100644
--- a/src/badguy/treewillowisp.cpp
+++ b/src/badguy/treewillowisp.cpp
@@ -24,6 +24,7 @@
 #include "object/lantern.hpp"
 
 static const std::string SOUNDFILE = "sounds/willowisp.wav";
+static const float       SUCKSPEED = 25;
 
 TreeWillOWisp::TreeWillOWisp(GhostTree* tree, const Vector& pos,
                              float radius, float speed)
@@ -62,8 +63,12 @@ TreeWillOWisp::vanish()
   mystate = STATE_VANISHING;
   sprite->set_action("vanishing", 1);
   set_group(COLGROUP_DISABLED);
+}
 
-  tree->willowisp_died(this);
+void
+TreeWillOWisp::start_sucking()
+{
+  mystate = STATE_SUCKED;
 }
 
 HitResponse
@@ -91,8 +96,20 @@ TreeWillOWisp::active_update(float elapsed_time)
   if (mystate == STATE_VANISHING) {
     if(sprite->animation_done()) {
       remove_me();
+      tree->willowisp_died(this);
+    }
+    return;
+  }
+
+  if (mystate == STATE_SUCKED) {
+    Vector dir = tree->get_bbox().get_middle() - get_pos();
+    if(dir.norm() < 5) {
+      vanish();
       return;
     }
+    Vector newpos = get_pos() + dir * elapsed_time;
+    movement = newpos - get_pos();
+    return;
   }
 
   angle = fmodf(angle + elapsed_time * speed, (float) (2*M_PI));
diff --git a/src/badguy/treewillowisp.hpp b/src/badguy/treewillowisp.hpp
index 66215ab9b..58805e4cb 100644
--- a/src/badguy/treewillowisp.hpp
+++ b/src/badguy/treewillowisp.hpp
@@ -37,6 +37,7 @@ public:
    * make TreeWillOWisp vanish
    */
   void vanish();
+  void start_sucking();
 
   void active_update(float elapsed_time);
   void set_color(const Color& color);
@@ -52,7 +53,7 @@ protected:
 
 private:
   enum MyState {
-    STATE_DEFAULT, STATE_VANISHING
+    STATE_DEFAULT, STATE_VANISHING, STATE_SUCKED
   };
   MyState mystate;
 
-- 
2.11.0