From 7cd00468d6f6bbe81dba02761c0b3110596ef0c3 Mon Sep 17 00:00:00 2001
From: rubidium <rubidium@openttd.org>
Date: Thu, 12 Jul 2007 13:40:24 +0000
Subject: [PATCH] (svn r10522) -Fix: the "build truck station" GUI showed that
 it would accept tourists when it does not, whereas the "build bus station"
 GUI did not show them when it did accept them.

---
 src/airport_gui.cpp |  2 +-
 src/dock_gui.cpp    |  2 +-
 src/gui.h           |  8 +++++++-
 src/misc_gui.cpp    | 16 +++++++++++-----
 src/rail_gui.cpp    |  2 +-
 src/road_gui.cpp    |  2 +-
 6 files changed, 22 insertions(+), 10 deletions(-)

diff --git a/src/airport_gui.cpp b/src/airport_gui.cpp
index e663b8ffbd..bdbdcc4013 100644
--- a/src/airport_gui.cpp
+++ b/src/airport_gui.cpp
@@ -183,7 +183,7 @@ static void BuildAirportPickerWndProc(Window *w, WindowEvent *e)
 		DrawWindowWidgets(w);
 		// strings such as 'Size' and 'Coverage Area'
 		// 'Coverage Area'
-		DrawStationCoverageAreaText(2, 206, (uint)-1, rad);
+		DrawStationCoverageAreaText(2, 206, SCT_ALL, rad);
 		break;
 	}
 
diff --git a/src/dock_gui.cpp b/src/dock_gui.cpp
index 2e608af550..ffb8a79757 100644
--- a/src/dock_gui.cpp
+++ b/src/dock_gui.cpp
@@ -250,7 +250,7 @@ static void BuildDockStationWndProc(Window *w, WindowEvent *e)
 			SetTileSelectSize(1, 1);
 		}
 
-		DrawStationCoverageAreaText(4, 50, (uint)-1, rad);
+		DrawStationCoverageAreaText(4, 50, SCT_ALL, rad);
 		break;
 	}
 
diff --git a/src/gui.h b/src/gui.h
index cfe9fa5b99..34ba64f5ca 100644
--- a/src/gui.h
+++ b/src/gui.h
@@ -108,7 +108,13 @@ void ShowPlayerCompany(PlayerID player);
 void ShowEstimatedCostOrIncome(Money cost, int x, int y);
 void ShowErrorMessage(StringID msg_1, StringID msg_2, int x, int y);
 
-void DrawStationCoverageAreaText(int sx, int sy, uint mask,int rad);
+enum StationCoverageType {
+	SCT_PASSENGERS_ONLY,
+	SCT_NON_PASSENGERS_ONLY,
+	SCT_ALL
+};
+
+void DrawStationCoverageAreaText(int sx, int sy, StationCoverageType sct, int rad);
 void CheckRedrawStationCoverage(const Window *w);
 
 void ShowSmallMap();
diff --git a/src/misc_gui.cpp b/src/misc_gui.cpp
index 7abe9ac37e..f3b14639cc 100644
--- a/src/misc_gui.cpp
+++ b/src/misc_gui.cpp
@@ -751,16 +751,22 @@ void GuiShowTooltipsWithArgs(StringID str, uint paramcount, const uint64 params[
 
 
 static void DrawStationCoverageText(const AcceptedCargo accepts,
-	int str_x, int str_y, uint mask)
+	int str_x, int str_y, StationCoverageType sct)
 {
 	char *b = _userstring;
 	bool first = true;
 
 	b = InlineString(b, STR_000D_ACCEPTS);
 
-	for (CargoID i = 0; i < NUM_CARGO; i++, mask >>= 1) {
+	for (CargoID i = 0; i < NUM_CARGO; i++) {
 		if (b >= lastof(_userstring) - 5) break;
-		if (accepts[i] >= 8 && mask & 1) {
+		switch (sct) {
+			case SCT_PASSENGERS_ONLY: if (!IsCargoInClass(i, CC_PASSENGERS)) continue; break;
+			case SCT_NON_PASSENGERS_ONLY: if (IsCargoInClass(i, CC_PASSENGERS)) continue; break;
+			case SCT_ALL: break;
+			default: NOT_REACHED();
+		}
+		if (accepts[i] >= 8) {
 			if (first) {
 				first = false;
 			} else {
@@ -779,12 +785,12 @@ static void DrawStationCoverageText(const AcceptedCargo accepts,
 	DrawStringMultiLine(str_x, str_y, STR_SPEC_USERSTRING, 144);
 }
 
-void DrawStationCoverageAreaText(int sx, int sy, uint mask, int rad) {
+void DrawStationCoverageAreaText(int sx, int sy, StationCoverageType sct, int rad) {
 	TileIndex tile = TileVirtXY(_thd.pos.x, _thd.pos.y);
 	AcceptedCargo accepts;
 	if (tile < MapSize()) {
 		GetAcceptanceAroundTiles(accepts, tile, _thd.size.x / TILE_SIZE, _thd.size.y / TILE_SIZE , rad);
-		DrawStationCoverageText(accepts, sx, sy, mask);
+		DrawStationCoverageText(accepts, sx, sy, sct);
 	}
 }
 
diff --git a/src/rail_gui.cpp b/src/rail_gui.cpp
index cecebf246f..b595d5c500 100644
--- a/src/rail_gui.cpp
+++ b/src/rail_gui.cpp
@@ -778,7 +778,7 @@ static void StationBuildWndProc(Window *w, WindowEvent *e)
 		DrawStringCentered(74, 101 + y_offset, STR_3004_PLATFORM_LENGTH, 0);
 		DrawStringCentered(74, 141 + y_offset, STR_3066_COVERAGE_AREA_HIGHLIGHT, 0);
 
-		DrawStationCoverageAreaText(2, 166 + y_offset, (uint)-1, rad);
+		DrawStationCoverageAreaText(2, 166 + y_offset, SCT_ALL, rad);
 
 		if (newstations) {
 			uint16 i;
diff --git a/src/road_gui.cpp b/src/road_gui.cpp
index 405f7a4dcf..43c5e5b80d 100644
--- a/src/road_gui.cpp
+++ b/src/road_gui.cpp
@@ -579,7 +579,7 @@ static void RoadStationPickerWndProc(Window *w, WindowEvent *e)
 		StationPickerDrawSprite(171, 85, RAILTYPE_BEGIN, _cur_roadtype, image + 1);
 
 		DrawStationCoverageAreaText(2, 146,
-			((w->window_class == WC_BUS_STATION) ? (1 << CT_PASSENGERS) : ~(1 << CT_PASSENGERS)),
+			(w->window_class == WC_BUS_STATION) ? SCT_PASSENGERS_ONLY : SCT_NON_PASSENGERS_ONLY,
 			3);
 
 	} break;