restore trunk

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

diff --git a/src/object/infoblock.cpp b/src/object/infoblock.cpp
new file mode 100644 (file)
index 0000000..dda84e6
--- /dev/null
+++ b/src/object/infoblock.cpp
@@ -0,0 +1,188 @@
+//  $Id$
+//
+//  SuperTux
+//  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
+//  as published by the Free Software Foundation; either version 2
+//  of the License, or (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  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.
+
+#include <config.h>
+
+#include "infoblock.hpp"
+#include "game_session.hpp"
+#include "resources.hpp"
+#include "sprite/sprite_manager.hpp"
+#include "object_factory.hpp"
+#include "lisp/lisp.hpp"
+#include "sector.hpp"
+#include "log.hpp"
+#include "object/player.hpp"
+#include "main.hpp"
+
+namespace {
+  const float SCROLL_DELAY = 0.5;
+  const float SCROLL_DISTANCE = 16;
+  const float WIDTH = 400;
+  const float HEIGHT = 200;
+}
+
+InfoBlock::InfoBlock(const lisp::Lisp& lisp)
+  : Block(sprite_manager->create("images/objects/bonus_block/infoblock.sprite")), shown_pct(0), dest_pct(0)
+{
+  Vector pos;
+  lisp.get("x", pos.x);
+  lisp.get("y", pos.y);
+  bbox.set_pos(pos);
+
+  if(!lisp.get("message", message)) {
+    log_warning << "No message in InfoBlock" << std::endl;
+  }
+  //stopped = false;
+  //ringing = new AmbientSound(get_pos(), 0.5, 300, 1, "sounds/phone.wav");
+  //Sector::current()->add_object(ringing);
+
+  // Split text string lines into a vector
+  lines = InfoBoxLine::split(message, 400);
+  lines_height = 0;
+  for(size_t i = 0; i < lines.size(); ++i) lines_height+=lines[i]->get_height();
+}
+
+InfoBlock::~InfoBlock()
+{
+  for(std::vector<InfoBoxLine*>::iterator i = lines.begin(); i != lines.end(); i++) {
+    delete *i;
+  }
+}
+
+void
+InfoBlock::hit(Player& )
+{
+  start_bounce();
+
+  //if (!stopped) {
+  //  ringing->remove_me();
+  //  stopped = true;
+  //}
+
+  if (dest_pct != 1) {
+
+    // first hide all other InfoBlocks' messages in same sector
+    Sector* parent = Sector::current();
+    if (!parent) return;
+    for (Sector::GameObjects::iterator i = parent->gameobjects.begin(); i != parent->gameobjects.end(); i++) {
+      InfoBlock* block = dynamic_cast<InfoBlock*>(*i);
+      if (!block) continue;
+      if (block != this) block->hide_message();
+    }
+
+    // show our message
+    show_message();
+
+  } else {
+    hide_message();
+  }
+}
+
+Player*
+InfoBlock::get_nearest_player()
+{
+  // FIXME: does not really return nearest player
+
+  std::vector<Player*> players = Sector::current()->get_players();
+  for (std::vector<Player*>::iterator playerIter = players.begin(); playerIter != players.end(); ++playerIter) {
+    Player* player = *playerIter;
+    return player;
+  }
+
+  return 0;
+}
+
+void
+InfoBlock::update(float delta)
+{
+  Block::update(delta);
+
+  if (delta == 0) return;
+
+  // hide message if player is too far away or above infoblock
+  if (dest_pct > 0) {
+    Player* player = get_nearest_player();
+    if (player) {
+      Vector p1 = this->get_pos() + (this->get_bbox().p2 - this->get_bbox().p1) / 2;
+      Vector p2 = player->get_pos() + (player->get_bbox().p2 - player->get_bbox().p1) / 2;
+      Vector dist = (p2 - p1);
+      float d = dist.norm();
+      if (d > 128 || dist.y < 0) dest_pct = 0;
+    }
+  }
+
+  // handle soft fade-in and fade-out
+  if (shown_pct != dest_pct) {
+    if (dest_pct > shown_pct) shown_pct = std::min(shown_pct + 2*delta, dest_pct);
+    if (dest_pct < shown_pct) shown_pct = std::max(shown_pct - 2*delta, dest_pct);
+  }
+}
+
+void
+InfoBlock::draw(DrawingContext& context)
+{
+  Block::draw(context);
+
+  if (shown_pct <= 0) return;
+
+  context.push_transform();
+  //context.set_translation(Vector(0, 0));
+  context.set_alpha(shown_pct);
+
+  //float x1 = SCREEN_WIDTH/2-200;
+  //float y1 = SCREEN_HEIGHT/2-200;
+  float border = 8;
+  float width = 400; // this is the text width only
+  float height = lines_height; // this is the text height only
+  float x1 = (get_bbox().p1.x + get_bbox().p2.x)/2 - width/2;
+  float x2 = (get_bbox().p1.x + get_bbox().p2.x)/2 + width/2;
+  float y1 = original_y - height;
+
+  // lines_height includes one ITEMS_SPACE too much, so the bottom border is reduced by 4px
+  context.draw_filled_rect(Vector(x1-border, y1-border), Vector(width+2*border, height+2*border-4), Color(0.6f, 0.7f, 0.8f, 0.5f), LAYER_GUI-50);
+
+  float y = y1;
+  for(size_t i = 0; i < lines.size(); ++i) {
+    if(y >= y1 + height) {
+      //log_warning << "Too many lines of text in InfoBlock" << std::endl;
+      //dest_pct = 0;
+      //shown_pct = 0;
+      break;
+    }
+
+    lines[i]->draw(context, Rect(x1, y, x2, y), LAYER_GUI-50+1);
+    y += lines[i]->get_height();
+  }
+
+  context.pop_transform();
+}
+
+void
+InfoBlock::show_message()
+{
+  dest_pct = 1;
+}
+
+void
+InfoBlock::hide_message()
+{
+  dest_pct = 0;
+}
+
+IMPLEMENT_FACTORY(InfoBlock, "infoblock")