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(svn r21866) -Feature [FS#4394]: [NewGRF] Rail type property to influence sorting of rail types in the drop down list
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@@ -3263,6 +3263,10 @@ static ChangeInfoResult RailTypeChangeInfo(uint id, int numinfo, int prop, ByteR
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rti->introduction_date = buf->ReadDWord();
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break;
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case 0x1A: // Sort order
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rti->sorting_order = buf->ReadByte();
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break;
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default:
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ret = CIR_UNKNOWN;
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break;
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@@ -3320,6 +3324,7 @@ static ChangeInfoResult RailTypeReserveInfo(uint id, int numinfo, int prop, Byte
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case 0x12: // Station graphic
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case 0x15: // Acceleration model
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case 0x16: // Map colour
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case 0x1A: // Sort order
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buf->ReadByte();
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break;
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@@ -237,6 +237,11 @@ struct RailtypeInfo {
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*/
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RailTypes introduces_railtypes;
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/**
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* The sorting order of this railtype for the toolbar dropdown.
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*/
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byte sorting_order;
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/**
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* Sprite groups for resolving sprites
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*/
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@@ -106,6 +106,14 @@ RailType AllocateRailType(RailTypeLabel label)
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/* We also introduce ourself. */
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rti->introduces_railtypes = (RailTypes)(1 << rt);
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/* Default sort order; order of allocation, but with some
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* offsets so it's easier for NewGRF to pick a spot without
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* changing the order of other (original) rail types.
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* The << is so you can place other railtypes in between the
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* other railtypes, the 7 is to be able to place something
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* before the first (default) rail type. */
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rti->sorting_order = rt << 4 | 7;
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return rt;
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}
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}
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@@ -104,6 +104,9 @@ static const RailtypeInfo _original_railtypes[] = {
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/* introduction rail types */
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RAILTYPES_RAIL,
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/* sort order */
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0 << 4 | 7,
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{ NULL },
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},
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@@ -196,6 +199,9 @@ static const RailtypeInfo _original_railtypes[] = {
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/* introduction rail types */
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RAILTYPES_ELECTRIC,
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/* sort order */
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1 << 4 | 7,
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{ NULL },
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},
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@@ -284,6 +290,9 @@ static const RailtypeInfo _original_railtypes[] = {
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/* introduction rail types */
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RAILTYPES_MONO,
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/* sort order */
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2 << 4 | 7,
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{ NULL },
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},
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@@ -372,6 +381,9 @@ static const RailtypeInfo _original_railtypes[] = {
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/* introduction rail types */
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RAILTYPES_MAGLEV,
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/* sort order */
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3 << 4 | 7,
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{ NULL },
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},
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};
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@@ -691,6 +691,17 @@ static CallBackFunction ToolbarZoomOutClick(Window *w)
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/* --- Rail button menu --- */
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/**
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* Compare railtypes based on their sorting order.
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* @param first The railtype to compare to.
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* @param second The railtype to compare.
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* @return True iff the first should be sorted before the second.
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*/
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static bool CompareRailTypes(const DropDownListItem *first, const DropDownListItem *second)
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{
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return GetRailTypeInfo((RailType)first->result)->sorting_order < GetRailTypeInfo((RailType)second->result)->sorting_order;
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}
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static CallBackFunction ToolbarBuildRailClick(Window *w)
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{
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RailTypes used_railtypes = RAILTYPES_NONE;
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@@ -722,6 +733,7 @@ static CallBackFunction ToolbarBuildRailClick(Window *w)
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item->SetParam(1, rti->max_speed);
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list->push_back(item);
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}
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list->sort(CompareRailTypes);
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ShowDropDownList(w, list, _last_built_railtype, TBN_RAILS, 140, true, true);
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SndPlayFx(SND_15_BEEP);
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return CBF_NONE;
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