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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 

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 d82ae7427d
commit 4bb18a450c
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;