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authorrubidium <rubidium@openttd.org>2012-03-25 19:30:05 +0000
committerrubidium <rubidium@openttd.org>2012-03-25 19:30:05 +0000
commit113746b3a69f14cefb499fe3c5e205f207bc6fa6 (patch)
treeafa344b6c173bc8839824bad56d21f16a86d081c /src
parent180e4e4c66659e3fb06cdb9dfad51f5d6ef2736a (diff)
downloadopenttd-113746b3a69f14cefb499fe3c5e205f207bc6fa6.tar.xz
(svn r24068) -Change/fix [FS#5103]: significantly reduce the area that is redrawn for text effects (Rhamphoryncus)
Diffstat (limited to 'src')
-rw-r--r--src/texteff.cpp4
-rw-r--r--src/viewport.cpp33
-rw-r--r--src/viewport_type.h2
3 files changed, 26 insertions, 13 deletions
diff --git a/src/texteff.cpp b/src/texteff.cpp
index 3ce40ce2f..981453c10 100644
--- a/src/texteff.cpp
+++ b/src/texteff.cpp
@@ -89,9 +89,9 @@ void MoveAllTextEffects()
continue;
}
- te->MarkDirty();
+ te->MarkDirty(ZOOM_LVL_OUT_8X);
te->top -= ZOOM_LVL_BASE;
- te->MarkDirty();
+ te->MarkDirty(ZOOM_LVL_OUT_8X);
}
}
diff --git a/src/viewport.cpp b/src/viewport.cpp
index 3cce19c3b..527de40a5 100644
--- a/src/viewport.cpp
+++ b/src/viewport.cpp
@@ -144,6 +144,8 @@ struct ViewportDrawer {
Point foundation_offset[FOUNDATION_PART_END]; ///< Pixel offset for ground sprites on the foundations.
};
+static void MarkViewportDirty(const ViewPort *vp, int left, int top, int right, int bottom);
+
static ViewportDrawer _vd;
TileHighlightData _thd;
@@ -1245,20 +1247,31 @@ void ViewportSign::UpdatePosition(int center, int top, StringID str)
/**
* Mark the sign dirty in all viewports.
+ * @param maxzoom Maximum %ZoomLevel at which the text is visible.
*
* @ingroup dirty
*/
-void ViewportSign::MarkDirty() const
+void ViewportSign::MarkDirty(ZoomLevel maxzoom) const
{
- /* We use ZOOM_LVL_MAX here, as every viewport can have another zoom,
- * and there is no way for us to know which is the biggest. So make the
- * biggest area dirty, and we are safe for sure.
- * We also add 1 to make sure the whole thing is redrawn. */
- MarkAllViewportsDirty(
- this->center - ScaleByZoom(this->width_normal / 2 + 1, ZOOM_LVL_MAX),
- this->top - ScaleByZoom(1, ZOOM_LVL_MAX),
- this->center + ScaleByZoom(this->width_normal / 2 + 1, ZOOM_LVL_MAX),
- this->top + ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM + 1, ZOOM_LVL_MAX));
+ Rect zoomlevels[ZOOM_LVL_COUNT];
+
+ for (ZoomLevel zoom = ZOOM_LVL_BEGIN; zoom != ZOOM_LVL_END; zoom++) {
+ /* FIXME: This doesn't switch to width_small when appropriate. */
+ zoomlevels[zoom].left = this->center - ScaleByZoom(this->width_normal / 2 + 1, zoom);
+ zoomlevels[zoom].top = this->top - ScaleByZoom(1, zoom);
+ zoomlevels[zoom].right = this->center + ScaleByZoom(this->width_normal / 2 + 1, zoom);
+ zoomlevels[zoom].bottom = this->top + ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM + 1, zoom);
+ }
+
+ Window *w;
+ FOR_ALL_WINDOWS_FROM_BACK(w) {
+ ViewPort *vp = w->viewport;
+ if (vp != NULL && vp->zoom <= maxzoom) {
+ assert(vp->width != 0);
+ Rect &zl = zoomlevels[vp->zoom];
+ MarkViewportDirty(vp, zl.left, zl.top, zl.right, zl.bottom);
+ }
+ }
}
static void ViewportDrawTileSprites(const TileSpriteToDrawVector *tstdv)
diff --git a/src/viewport_type.h b/src/viewport_type.h
index cd8ebaea6..2c29c83b3 100644
--- a/src/viewport_type.h
+++ b/src/viewport_type.h
@@ -48,7 +48,7 @@ struct ViewportSign {
uint16 width_small; ///< The width when zoomed out (small font)
void UpdatePosition(int center, int top, StringID str);
- void MarkDirty() const;
+ void MarkDirty(ZoomLevel maxzoom = ZOOM_LVL_MAX) const;
};
/**