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Change how dirty screen, window and viewport areas are tracked for later redrawing

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Track dirty viewport areas seperately form general screen redraws.
Maintain a dirty block grid per viewport, with a smaller block size.
Use even smaller block size in viewport map mode.

Use a rectangle array for general screen redraws instead of a block grid.

Add a dirty bit to windows and widgets, to simplify the common case
of repainting a whole window or widget, without catching
neighbouring windows or viewports.
This commit is contained in:
Jonathan G Rennison
2020-02-21 19:45:07 +00:00
parent d740a19e5f
commit 8f442500ea
18 changed files with 626 additions and 182 deletions
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4
src/linkgraph/linkgraph_gui.h
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@@ -63,7 +63,7 @@ public:
* @param company_mask Bitmask of companies to be shown.
* @param scale Desired thickness of lines and size of station dots.
*/
LinkGraphOverlay(const Window *w, uint wid, CargoTypes cargo_mask, uint32 company_mask, uint scale) :
LinkGraphOverlay(Window *w, uint wid, CargoTypes cargo_mask, uint32 company_mask, uint scale) :
window(w), widget_id(wid), cargo_mask(cargo_mask), company_mask(company_mask), scale(scale)
{}
@@ -83,7 +83,7 @@ public:
uint32 GetCompanyMask() { return this->company_mask; }
protected:
const Window *window; ///< Window to be drawn into.
Window *window; ///< Window to be drawn into.
const uint widget_id; ///< ID of Widget in Window to be drawn to.
CargoTypes cargo_mask; ///< Bitmask of cargos to be displayed.
uint32 company_mask; ///< Bitmask of companies to be displayed.