From 96007521ba20250db0ed05e4d6117077690637db Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sat, 1 Dec 2012 20:29:04 +0300
Subject: add batch draw to equipment window.

---
 src/gui/equipmentwindow.cpp | 49 ++++++++++++++++++++++++++++++++++++---------
 src/gui/equipmentwindow.h   |  1 +
 src/gui/widgets/window.cpp  |  7 ++++++-
 src/gui/widgets/window.h    |  1 +
 4 files changed, 47 insertions(+), 11 deletions(-)

diff --git a/src/gui/equipmentwindow.cpp b/src/gui/equipmentwindow.cpp
index e05e1cc50..ef22dc4c5 100644
--- a/src/gui/equipmentwindow.cpp
+++ b/src/gui/equipmentwindow.cpp
@@ -23,6 +23,7 @@
 #include "gui/equipmentwindow.h"
 
 #include "being.h"
+#include "graphicsvertexes.h"
 #include "inventory.h"
 #include "item.h"
 #include "localplayer.h"
@@ -64,6 +65,7 @@ EquipmentWindow::EquipmentWindow(Equipment *const equipment,
     mHighlightColor(getThemeColor(Theme::HIGHLIGHT)),
     mBorderColor(getThemeColor(Theme::BORDER)),
     mLabelsColor(getThemeColor(Theme::LABEL)),
+    mVertexes(new ImageCollection),
     mItemPadding(getOption("itemPadding")),
     mBoxSize(getOption("boxSize")),
     mMinX(180),
@@ -145,21 +147,48 @@ void EquipmentWindow::draw(gcn::Graphics *graphics)
     // Draw window graphics
     Window::draw(graphics);
     Graphics *const g = static_cast<Graphics*>(graphics);
-    Window::drawChildren(graphics);
 
     int i = 0;
     const int fontHeight = getFont()->getHeight();
 
-    for (std::vector<EquipmentBox*>::const_iterator it = mBoxes.begin(),
-         it_end = mBoxes.end(); it != it_end; ++ it, ++ i)
+    if (openGLMode != 2)
     {
-        const EquipmentBox *const box = *it;
-        if (!box)
-            continue;
-        if (i == mSelected)
-            g->drawImage(mSlotHighlightedBackground, box->x, box->y);
-        else
-            g->drawImage(mSlotBackground, box->x, box->y);
+        if (mLastRedraw)
+        {
+            mVertexes->clear();
+            for (std::vector<EquipmentBox*>::const_iterator
+                 it = mBoxes.begin(), it_end = mBoxes.end();
+                 it != it_end; ++ it, ++ i)
+            {
+                const EquipmentBox *const box = *it;
+                if (!box)
+                    continue;
+                if (i == mSelected)
+                {
+                    g->calcTile(mVertexes, mSlotHighlightedBackground,
+                        box->x, box->y);
+                }
+                else
+                {
+                    g->calcTile(mVertexes, mSlotBackground, box->x, box->y);
+                }
+            }
+        }
+        g->drawTile(mVertexes);
+    }
+    else
+    {
+        for (std::vector<EquipmentBox*>::const_iterator it = mBoxes.begin(),
+             it_end = mBoxes.end(); it != it_end; ++ it, ++ i)
+        {
+            const EquipmentBox *const box = *it;
+            if (!box)
+                continue;
+            if (i == mSelected)
+                g->drawImage(mSlotHighlightedBackground, box->x, box->y);
+            else
+                g->drawImage(mSlotBackground, box->x, box->y);
+        }
     }
 
     if (!mEquipment)
diff --git a/src/gui/equipmentwindow.h b/src/gui/equipmentwindow.h
index d79ff950f..0d4935256 100644
--- a/src/gui/equipmentwindow.h
+++ b/src/gui/equipmentwindow.h
@@ -139,6 +139,7 @@ class EquipmentWindow final : public Window, public gcn::ActionListener
         gcn::Color mLabelsColor;
         Image *mSlotBackground;
         Image *mSlotHighlightedBackground;
+        ImageCollection *mVertexes;
         int mItemPadding;
         int mBoxSize;
         int mButtonPadding;
diff --git a/src/gui/widgets/window.cpp b/src/gui/widgets/window.cpp
index ba6d982c8..8c1f63e29 100644
--- a/src/gui/widgets/window.cpp
+++ b/src/gui/widgets/window.cpp
@@ -54,6 +54,7 @@ Window::Window(const std::string &caption, const bool modal,
     mDefaultY(0),
     mDefaultWidth(0),
     mDefaultHeight(0),
+    mLastRedraw(true),
     mGrip(nullptr),
     mParent(parent),
     mLayout(nullptr),
@@ -200,6 +201,7 @@ void Window::draw(gcn::Graphics *graphics)
         }
         if (mRedraw)
         {
+            mLastRedraw = true;
             mRedraw = false;
             update = true;
             mVertexes->clear();
@@ -229,7 +231,10 @@ void Window::draw(gcn::Graphics *graphics)
                 g->calcTile(mVertexes, mGrip, mGripRect.x, mGripRect.y);
 
         }
-
+        else
+        {
+            mLastRedraw = false;
+        }
         g->drawTile(mVertexes);
     }
     else
diff --git a/src/gui/widgets/window.h b/src/gui/widgets/window.h
index 7b05c65f6..f8ebcd598 100644
--- a/src/gui/widgets/window.h
+++ b/src/gui/widgets/window.h
@@ -433,6 +433,7 @@ class Window : public gcn::Window,
         int mDefaultY;                /**< Default window Y position */
         int mDefaultWidth;            /**< Default window width */
         int mDefaultHeight;           /**< Default window height */
+        bool mLastRedraw;
 
     private:
         enum ResizeHandles
-- 
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