cpp/openttd-patchpack/source Changeset - r19180:f1705a610ae7

Changeset - r19180:f1705a610ae7

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rubidium - 13 years ago 2012-03-25 19:30:05
rubidium@openttd.org

(svn r24068) -Change/fix [FS#5103]: significantly reduce the area that is redrawn for text effects (Rhamphoryncus)

3 files changed with 26 insertions and 13 deletions:

src/texteff.cpp

src/viewport.cpp

src/viewport_type.h

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src/texteff.cpp

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@@ @@ -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);
+	}
+}

src/viewport.cpp

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@@ @@ -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 ce @@
 /**
  * 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)

src/viewport_type.h

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@@ @@ -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;
 };
 /**

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