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@@ -412,7 +412,7 @@ static void DrawNewRoadVehWindow(Window
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int sel = WP(w,buildtrain_d).sel_index;
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int pos = w->vscroll.pos;
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EngineID engine_id = ROAD_ENGINES_INDEX;
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int selected_id = -1;
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EngineID selected_id = INVALID_ENGINE;
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do {
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if (HASBIT(e->player_avail, _local_player)) {
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@@ -427,7 +427,7 @@ static void DrawNewRoadVehWindow(Window
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} while (++engine_id, ++e,--num);
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WP(w,buildtrain_d).sel_engine = selected_id;
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if (selected_id != -1) {
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if (selected_id != INVALID_ENGINE) {
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DrawRoadVehPurchaseInfo(2, w->widget[4].top + 1, selected_id);
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}
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}
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@@ -465,14 +465,14 @@ static void NewRoadVehWndProc(Window *w,
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} break;
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case 5: { /* build */
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int sel_eng = WP(w,buildtrain_d).sel_engine;
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if (sel_eng != -1)
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EngineID sel_eng = WP(w,buildtrain_d).sel_engine;
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if (sel_eng != INVALID_ENGINE)
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DoCommandP(w->window_number, sel_eng, 0, CcBuildRoadVeh, CMD_BUILD_ROAD_VEH | CMD_MSG(STR_9009_CAN_T_BUILD_ROAD_VEHICLE));
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} break;
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case 6: { /* rename */
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int sel_eng = WP(w,buildtrain_d).sel_engine;
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if (sel_eng != -1) {
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EngineID sel_eng = WP(w,buildtrain_d).sel_engine;
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if (sel_eng != INVALID_ENGINE) {
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WP(w,buildtrain_d).rename_engine = sel_eng;
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ShowQueryString(GetCustomEngineName(sel_eng),
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STR_9036_RENAME_ROAD_VEHICLE_TYPE, 31, 160, w->window_class, w->window_number);
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