Fix left shifts that may overflow

src/drawing/drawing.h

@@ -82,7 +82,7 @@ enum {
 	IMAGE_TYPE_DEFAULT = 0,
 	IMAGE_TYPE_REMAP = (1 << 29),
 	IMAGE_TYPE_TRANSPARENT = (1 << 30),
-	IMAGE_TYPE_REMAP_2_PLUS = (1 << 31) 
+	IMAGE_TYPE_REMAP_2_PLUS = (1u << 31)
 	// REMAP_2_PLUS + REMAP = REMAP 2
 	// REMAP_2_PLUS = REMAP 3
 };

src/drawing/string.c

@@ -891,7 +891,7 @@ enum {
 	TEXT_DRAW_FLAG_OUTLINE = 1 << 1,
 	TEXT_DRAW_FLAG_Y_OFFSET_EFFECT = 1 << 29,
 	TEXT_DRAW_FLAG_TTF = 1 << 30,
-	TEXT_DRAW_FLAG_NO_DRAW = 1 << 31
+	TEXT_DRAW_FLAG_NO_DRAW = 1u << 31
 };
 
 typedef struct text_draw_info {

src/game.h

@@ -100,7 +100,7 @@ enum {
 	GAME_COMMAND_FLAG_5 = (1 << 5),
 	GAME_COMMAND_FLAG_GHOST = (1 << 6),
 	GAME_COMMAND_FLAG_7 = (1 << 7),
-	GAME_COMMAND_FLAG_NETWORKED = (1 << 31) // Game command is coming from network
+	GAME_COMMAND_FLAG_NETWORKED = (1u << 31) // Game command is coming from network
 };
 
 enum {

src/peep/peep.h

@@ -281,7 +281,7 @@ enum PEEP_FLAGS {
 	PEEP_FLAGS_NICE_RIDE_DEPRECATED = (1 << 26), // Used to make the peep think "Nice ride! But not as good as the Phoenix..." on exiting a ride
 	PEEP_FLAGS_INTAMIN_DEPRECATED = (1 << 27), // Used to make the peep think "I'm so excited - It's an Intamin ride!" while riding on a Intamin ride.
 	PEEP_FLAGS_HERE_WE_ARE = (1 << 28), // Makes the peep think  "...and here we are on X!" while riding a ride
-	PEEP_FLAGS_TWITCH = (1 << 31)		// Added for twitch integration
+	PEEP_FLAGS_TWITCH = (1u << 31)		// Added for twitch integration
 };
 
 enum PEEP_NAUSEA_TOLERANCE {

src/rct2/S6Exporter.cpp

@@ -456,7 +456,7 @@ extern "C"
     enum {
         S6_SAVE_FLAG_EXPORT    = 1 << 0,
         S6_SAVE_FLAG_SCENARIO  = 1 << 1,
-        S6_SAVE_FLAG_AUTOMATIC = 1 << 31,
+        S6_SAVE_FLAG_AUTOMATIC = 1u << 31,
     };
 
     /**

src/ride/ride.h

@@ -445,7 +445,7 @@ enum {
 	RIDE_ENTRY_FLAG_28 = 1 << 28, // 0x10000000
 	RIDE_ENTRY_FLAG_29 = 1 << 29, // 0x20000000
 	RIDE_ENTRY_FLAG_30 = 1 << 30, // 0x40000000
-	RIDE_ENTRY_FLAG_31 = 1 << 31, // 0x80000000
+	RIDE_ENTRY_FLAG_31 = 1u << 31, // 0x80000000
 };
 
 enum{
@@ -785,7 +785,7 @@ enum {
 	RIDE_TYPE_FLAG_HAS_TRACK = 1 << 28,
 	RIDE_TYPE_FLAG_29 = 1 << 29,								// used only by lift
 	RIDE_TYPE_FLAG_30 = 1 << 30,
-	RIDE_TYPE_FLAG_SUPPORTS_MULTIPLE_TRACK_COLOUR = 1 << 31,
+	RIDE_TYPE_FLAG_SUPPORTS_MULTIPLE_TRACK_COLOUR = 1u << 31,
 };
 
 enum {

src/ride/track_design.h

@@ -159,7 +159,7 @@ typedef struct track_design_file_ref {
 
 enum {
 	TRACK_FLAGS2_CONTAINS_LOG_FLUME_REVERSER = (1 << 1),
-	TRACK_FLAGS2_SIX_FLAGS_RIDE_DEPRECATED = (1 << 31)		// Not used anymore.
+	TRACK_FLAGS2_SIX_FLAGS_RIDE_DEPRECATED = (1u << 31)		// Not used anymore.
 };
 
 enum {

src/ride/track_design_save.c

@@ -1045,7 +1045,7 @@ static bool track_design_save_to_td6_for_tracked_ride(uint8 rideIndex, rct_track
 			track->type == TRACK_ELEM_RIGHT_LARGE_HALF_LOOP_DOWN ||
 			track->type == TRACK_ELEM_LEFT_LARGE_HALF_LOOP_DOWN
 		) {
-			td6->flags |= (1 << 31);
+			td6->flags |= (1u << 31);
 		}
 
 		if (track->type == TRACK_ELEM_LOG_FLUME_REVERSER) {

src/windows/guest.c

@@ -1390,8 +1390,8 @@ static void window_guest_stats_bars_paint(int value, int x, int y, rct_window *w
 
 	gfx_fill_rect_inset(dpi, x + 0x3A, y + 1, x + 0x3A + 0x79, y + 9, w->colours[1], 0x30);
 
-	int blink_flag = colour & (1 << 0x1F); //0x80000000
-	colour &= ~(1 << 0x1F);
+	int blink_flag = colour & (1u << 0x1F); //0x80000000
+	colour &= ~(1u << 0x1F);
 	if (!blink_flag ||
 		game_is_paused() ||
 		(gCurrentTicks & 8) == 0)