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(svn r21817) -Change: only show rail/road types that will eventually be available in-game. For example don't show trams when there is no tram NewGRF loaded

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rubidium 2011-01-16 10:25:47 +00:00
parent 6e9800026c
commit 21a134983e
1 changed files with 27 additions and 3 deletions
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30
src/toolbar_gui.cpp
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@ -44,6 +44,7 @@
#include "textbuf_gui.h"
#include "newgrf_debug.h"
#include "hotkeys.h"
#include "engine_base.h"
#include "network/network.h"
#include "network/network_gui.h"
@ -692,9 +693,23 @@ static CallBackFunction ToolbarZoomOutClick(Window *w)
static CallBackFunction ToolbarBuildRailClick(Window *w)
{
/* Use C++ spec to zero whole array. */
bool used_railtype[RAILTYPE_END] = { false };
/* Find the used railtypes. */
Engine *e;
FOR_ALL_ENGINES_OF_TYPE(e, VEH_TRAIN) {
if (!HasBit(e->info.climates, _settings_game.game_creation.landscape)) continue;
used_railtype[e->u.rail.railtype] = true;
}
const Company *c = Company::Get(_local_company);
DropDownList *list = new DropDownList();
for (RailType rt = RAILTYPE_BEGIN; rt != RAILTYPE_END; rt++) {
/* If it's not used ever, don't show it to the user. */
if (!used_railtype[rt]) continue;
const RailtypeInfo *rti = GetRailTypeInfo(rt);
/* Skip rail type if it has no label */
if (rti->label == 0) continue;
@ -723,9 +738,18 @@ static CallBackFunction ToolbarBuildRoadClick(Window *w)
{
const Company *c = Company::Get(_local_company);
DropDownList *list = new DropDownList();
for (RoadType rt = ROADTYPE_BEGIN; rt != ROADTYPE_END; rt++) {
/* The standard road button is *always* available */
list->push_back(new DropDownListStringItem(STR_ROAD_MENU_ROAD_CONSTRUCTION + rt, rt, !(HasBit(c->avail_roadtypes, rt) || rt == ROADTYPE_ROAD)));
/* Road is always visible and available. */
list->push_back(new DropDownListStringItem(STR_ROAD_MENU_ROAD_CONSTRUCTION, ROADTYPE_ROAD, false));
/* Tram is only visible when there will be a tram, and available when that has been introduced. */
Engine *e;
FOR_ALL_ENGINES_OF_TYPE(e, VEH_ROAD) {
if (!HasBit(e->info.climates, _settings_game.game_creation.landscape)) continue;
if (!HasBit(e->info.misc_flags, EF_ROAD_TRAM)) continue;
list->push_back(new DropDownListStringItem(STR_ROAD_MENU_TRAM_CONSTRUCTION, ROADTYPE_TRAM, !HasBit(c->avail_roadtypes, ROADTYPE_TRAM)));
break;
}
ShowDropDownList(w, list, _last_built_roadtype, TBN_ROADS, 140, true, true);
SndPlayFx(SND_15_BEEP);