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(svn r8333) -Codechange: when invalidating a build window list, set a flag instead of rebuilding the list and then rebuild it the next time it's redrawn

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This should save CPU time in the (maybe unlikely) event that the list is invalidated more than once between two redraws
This commit is contained in:
bjarni 2007-01-21 23:13:46 +00:00
parent f87494587e
commit ade2af8ac6
2 changed files with 13 additions and 6 deletions
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18
src/build_vehicle_gui.cpp
View File

@ -654,7 +654,7 @@ static void BuildVehicleClickEvent(Window *w, WindowEvent *e)
case VEH_Train: _last_sort_order_train = bv->descending_sort_order; break;
case VEH_Aircraft: _last_sort_order_aircraft = bv->descending_sort_order; break;
}
GenerateBuildList(w);
bv->regenerate_list = true;
SetWindowDirty(w);
break;
@ -716,7 +716,8 @@ static void NewVehicleWndProc(Window *w, WindowEvent *e)
switch (e->event) {
case WE_INVALIDATE_DATA:
GenerateBuildList(w);
bv->regenerate_list = true;
SetWindowDirty(w);
break;
case WE_DESTROY:
@ -724,6 +725,10 @@ static void NewVehicleWndProc(Window *w, WindowEvent *e)
break;
case WE_PAINT:
if (bv->regenerate_list) {
bv->regenerate_list = false;
GenerateBuildList(w);
}
DrawBuildVehicleWindow(w);
break;
@ -751,7 +756,7 @@ static void NewVehicleWndProc(Window *w, WindowEvent *e)
case VEH_Train: _last_sort_criteria_train = bv->sort_criteria; break;
case VEH_Aircraft: _last_sort_criteria_aircraft = bv->sort_criteria; break;
}
GenerateBuildList(w);
bv->regenerate_list = true;
}
SetWindowDirty(w);
break;
@ -793,9 +798,10 @@ void ShowBuildVehicleWindow(TileIndex tile, byte type)
bv = &WP(w, buildvehicle_d);
EngList_Create(&bv->eng_list);
bv->sel_engine = INVALID_ENGINE;
bv->sel_engine = INVALID_ENGINE;
bv->vehicle_type = type;
bv->vehicle_type = type;
bv->regenerate_list = false;
switch (type) {
case VEH_Train:
@ -818,7 +824,7 @@ void ShowBuildVehicleWindow(TileIndex tile, byte type)
w->resize.width = w->width;
w->resize.height = w->height;
GenerateBuildList(w);
GenerateBuildList(w); // generate the list, since we need it in the next line
/* Select the first engine in the list as default when opening the window */
if (EngList_Count(&bv->eng_list) > 0) bv->sel_engine = bv->eng_list[0];
}

1
src/window.h
View File

@ -326,6 +326,7 @@ typedef struct {
byte sel_index; // deprecated value, used for 'unified' ship and road
bool descending_sort_order;
byte sort_criteria;
bool regenerate_list;
EngineID sel_engine;
EngineID rename_engine;
EngineList eng_list;