Merged revisions 3828-3829,3831-3838,3841,3843-3844,3847-3872,3874,3876-3900 via svnmerge from

https://themanaworld.svn.sourceforge.net/svnroot/themanaworld/tmw/branches/0.0

........
  r3828 | crush_tmw | 2007-12-31 17:14:27 +0100 (Mon, 31 Dec 2007) | 1 line
  
  Added config options to set the scroll center. Retained scroll offset during map change for smoother map transitions.
........
  r3859 | b_lindeijer | 2008-01-26 20:38:43 +0100 (Sat, 26 Jan 2008) | 3 lines
  
  Fixed a GCC 4.3 compile error and constified the usage of auto_ptr, since
  that's the way in which we are using them.
........
  r3876 | crush_tmw | 2008-02-11 20:00:43 +0100 (Mon, 11 Feb 2008) | 1 line
  
  Added music and overlay to snake dungeon.
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  r3883 | crush_tmw | 2008-02-12 15:00:22 +0100 (Tue, 12 Feb 2008) | 1 line
  
  Particle emitters are now activated after the parent particle has moved instead of before (small change which allows a little trick to create polar emitters)
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  r3887 | umperio | 2008-02-12 20:49:37 +0100 (Tue, 12 Feb 2008) | 1 line
  
  Made pathfinding not halt on collision destination tile, made moving around with mouse smoother. Added possibility to pass through players with key controls.
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  r3888 | crush_tmw | 2008-02-13 21:49:55 +0100 (Wed, 13 Feb 2008) | 1 line
  
  Added new headgears by Black Don (thanks to QOAL for testing and implementation)
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  r3891 | umperio | 2008-02-18 09:52:06 +0100 (Mon, 18 Feb 2008) | 1 line
  
  Fixed image name.
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  r3892 | umperio | 2008-02-18 11:00:45 +0100 (Mon, 18 Feb 2008) | 1 line
  
  Forgot a %s
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  r3899 | crush_tmw | 2008-02-19 14:23:34 +0100 (Tue, 19 Feb 2008) | 1 line
  
  Map fixes at snake dungeon by QOAL
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  r3900 | crush_tmw | 2008-02-19 14:32:24 +0100 (Tue, 19 Feb 2008) | 1 line
  
  More map fixes at snake dungeon by QOAL
........

3 files changed, 40 insertions, 38 deletions

diff --git a/src/gui/trade.h b/src/gui/trade.h
index b5b0db6a..cd943a41 100644
--- a/src/gui/trade.h
+++ b/src/gui/trade.h
@@ -92,7 +92,6 @@ class TradeWindow : public Window, gcn::ActionListener, SelectionListener
         void action(const gcn::ActionEvent &event);
 
     private:
-
         enum Status
         {
             PREPARING, /**< Players are adding items. */
diff --git a/src/gui/viewport.cpp b/src/gui/viewport.cpp
index d6c49fb2..7c68b577 100644
--- a/src/gui/viewport.cpp
+++ b/src/gui/viewport.cpp
@@ -52,8 +52,6 @@ Viewport::Viewport():
     mMap(0),
     mViewX(0.0f),
     mViewY(0.0f),
-    mCameraX(0),
-    mCameraY(0),
     mShowDebugPath(false),
     mPlayerFollowMouse(false)
 {
@@ -62,6 +60,8 @@ Viewport::Viewport():
 
     mScrollLaziness = (int) config.getValue("ScrollLaziness", 32);
     mScrollRadius = (int) config.getValue("ScrollRadius", 32);
+    mScrollCenterOffsetX = (int) config.getValue("ScrollCenterOffsetX", 0);
+    mScrollCenterOffsetY = (int) config.getValue("ScrollCenterOffsetY", 0);
 
     config.addListener("ScrollLaziness", this);
     config.addListener("ScrollRadius", this);
@@ -150,8 +150,8 @@ Viewport::draw(gcn::Graphics *gcnGraphics)
     }
 
     // Calculate viewpoint
-    int midTileX = graphics->getWidth() / 2;
-    int midTileY = graphics->getHeight() / 2;
+    int midTileX = (graphics->getWidth() + mScrollCenterOffsetX) / 2;
+    int midTileY = (graphics->getHeight() + mScrollCenterOffsetX) / 2;
 
     int player_x = player_node->mX - midTileX + player_node->getXOffset();
     int player_y = player_node->mY - midTileY + player_node->getYOffset();
@@ -211,19 +211,16 @@ Viewport::draw(gcn::Graphics *gcnGraphics)
         }
     }
 
-    mCameraX = (int) mViewX;
-    mCameraY = (int) mViewY;
-
     // Draw tiles and sprites
     if (mMap)
     {
-        mMap->draw(graphics, mCameraX, mCameraY, 0);
+        mMap->draw(graphics, (int) mViewX, (int) mViewY, 0);
         drawTargetCursor(graphics);
-        mMap->draw(graphics, mCameraX, mCameraY, 1);
-        mMap->draw(graphics, mCameraX, mCameraY, 2);
+        mMap->draw(graphics, (int) mViewX, (int) mViewY, 1);
+        mMap->draw(graphics, (int) mViewX, (int) mViewY, 2);
         if (mShowDebugPath)
         {
-            mMap->drawCollision(graphics, mCameraX, mCameraY);
+            mMap->drawCollision(graphics, (int) mViewX, (int) mViewY);
         }
         mMap->drawOverlay(graphics, mViewX, mViewY,
                 (int) config.getValue("OverlayDetail", 2));
@@ -239,9 +236,9 @@ Viewport::draw(gcn::Graphics *gcnGraphics)
     Beings &beings = beingManager->getAll();
     for (BeingIterator i = beings.begin(); i != beings.end(); i++)
     {
-        (*i)->drawSpeech(graphics, -mCameraX, -mCameraY);
-        (*i)->drawName(graphics, -mCameraX, -mCameraY);
-        (*i)->drawEmotion(graphics, -mCameraX, -mCameraY);
+        (*i)->drawSpeech(graphics, -(int) mViewX, -(int) mViewY);
+        (*i)->drawName(graphics, -(int) mViewX, -(int) mViewY);
+        (*i)->drawEmotion(graphics, -(int) mViewX, -(int) mViewY);
     }
 
     // Draw contained widgets
@@ -262,8 +259,8 @@ Viewport::logic()
     if (mPlayerFollowMouse && button & SDL_BUTTON(1) &&
             mWalkTime != player_node->mWalkTime)
     {
-        player_node->setDestination(mouseX + mCameraX,
-                                    mouseY + mCameraY);
+        player_node->setDestination(mouseX + (int) mViewX,
+                                    mouseY + (int) mViewY);
         mWalkTime = player_node->mWalkTime;
     }
 
@@ -301,9 +298,9 @@ Viewport::drawTargetCursor(Graphics *graphics)
 
         // Draw the target cursor at the correct position
         int posX = target->getPixelX() + 16 -
-                   targetCursor->getWidth() / 2 - mCameraX;
+                   targetCursor->getWidth() / 2 - (int) mViewX;
         int posY = target->getPixelY() + 16 -
-                   targetCursor->getHeight() / 2 - mCameraY;
+                   targetCursor->getHeight() / 2 - (int) mViewY;
 
         graphics->drawImage(targetCursor, posX, posY);
     }
@@ -320,8 +317,8 @@ Viewport::drawTargetName(Graphics *graphics)
         graphics->setColor(gcn::Color(255, 32, 32));
 
         const MonsterInfo &mi = static_cast<Monster*>(target)->getInfo();
-        int posX = target->getPixelX() + 16 - mCameraX;
-        int posY = target->getPixelY() + 16 - target->getHeight() - mCameraY;
+        int posX = target->getPixelX() + 16 - (int) mViewX;
+        int posY = target->getPixelY() + 16 - target->getHeight() - (int) mViewY;
 
         graphics->drawText(mi.getName(), posX, posY, gcn::Graphics::CENTER);
     }
@@ -334,8 +331,8 @@ Viewport::drawDebugPath(Graphics *graphics)
     int mouseX, mouseY;
     SDL_GetMouseState(&mouseX, &mouseY);
 
-    int mouseTileX = (mouseX + mCameraX) / 32;
-    int mouseTileY = (mouseY + mCameraY) / 32;
+    const int mouseTileX = (mouseX + (int) mViewX) / 32;
+    const int mouseTileY = (mouseY + (int) mViewY) / 32;
 
     Path debugPath = mMap->findPath(
             player_node->mX / 32, player_node->mY / 32,
@@ -344,8 +341,8 @@ Viewport::drawDebugPath(Graphics *graphics)
     graphics->setColor(gcn::Color(255, 0, 0));
     for (PathIterator i = debugPath.begin(); i != debugPath.end(); i++)
     {
-        int squareX = i->x * 32 - mCameraX + 12;
-        int squareY = i->y * 32 - mCameraY + 12;
+        int squareX = i->x * 32 - (int) mViewX + 12;
+        int squareY = i->y * 32 - (int) mViewY + 12;
 
         graphics->fillRectangle(gcn::Rectangle(squareX, squareY, 8, 8));
         graphics->drawText(
@@ -363,8 +360,8 @@ Viewport::mousePressed(gcn::MouseEvent &event)
 
     mPlayerFollowMouse = false;
 
-    int tilex = (event.getX() + mCameraX) / 32;
-    int tiley = (event.getY() + mCameraY) / 32;
+    const int tilex = (event.getX() + (int) mViewX) / 32;
+    const int tiley = (event.getY() + (int) mViewY) / 32;
 
     // Right click might open a popup
     if (event.getButton() == gcn::MouseEvent::RIGHT)
@@ -403,14 +400,14 @@ Viewport::mousePressed(gcn::MouseEvent &event)
                 player_node->pickUp(item);
         }
         // Just walk around
-        else if (mMap->getWalk(tilex, tiley, player_node->getWalkMask()))
+        else
         {
             // XXX XXX XXX REALLY UGLY!
             Uint8 *keys = SDL_GetKeyState(NULL);
             if (!(keys[SDLK_LSHIFT] || keys[SDLK_RSHIFT]))
             {
-                player_node->setDestination(event.getX() + mCameraX,
-                                            event.getY() + mCameraY);
+                player_node->setDestination(event.getX() + (int) mViewX,
+                                            event.getY() + (int) mViewY);
             }
             mPlayerFollowMouse = true;
         }
@@ -437,8 +434,8 @@ Viewport::mouseDragged(gcn::MouseEvent &event)
 
     if (mPlayerFollowMouse && mWalkTime == player_node->mWalkTime)
     {
-        player_node->setDestination(event.getX() + mCameraX,
-                                    event.getY() + mCameraY);
+        player_node->setDestination(event.getX() + (int) mViewX,
+                                    event.getY() + (int) mViewY);
     }
 }
 
diff --git a/src/gui/viewport.h b/src/gui/viewport.h
index 1547c0a4..c8f7a9ec 100644
--- a/src/gui/viewport.h
+++ b/src/gui/viewport.h
@@ -117,16 +117,22 @@ class Viewport : public WindowContainer, public gcn::MouseListener,
         optionChanged(const std::string &name);
 
         /**
-         * Returns camera x offset in tiles.
+         * Returns camera x offset in pixels.
          */
         int
-        getCameraX() { return mCameraX; }
+        getCameraX() const { return (int) mViewX; }
 
         /**
-         * Returns camera y offset in tiles.
+         * Returns camera y offset in pixels.
          */
         int
-        getCameraY() { return mCameraY; }
+        getCameraY() const { return (int) mViewY; }
+
+        /**
+         * Changes viewpoint by relative pixel coordinates.
+         */
+        void
+        scrollBy(float x, float y) { mViewX += x; mViewY += y; }
 
     private:
         /**
@@ -156,10 +162,10 @@ class Viewport : public WindowContainer, public gcn::MouseListener,
 
         int mScrollRadius;
         int mScrollLaziness;
+        int mScrollCenterOffsetX;
+        int mScrollCenterOffsetY;
         float mViewX;              /**< Current viewpoint in pixels. */
         float mViewY;              /**< Current viewpoint in pixels. */
-        int mCameraX;              /**< Current viewpoint in tiles. */
-        int mCameraY;              /**< Current viewpoint in tiles. */
         bool mShowDebugPath;       /**< Show a path from player to pointer. */
 
         /** Images of in range target cursor. */