Merge branch 'master' into track-list-window

build.sh

@@ -11,6 +11,10 @@ pushd build
 	make
 popd
 
+if [[ ! -h openrct2.dll ]]; then 
+    ln -s build/openrct2.dll openrct2.dll
+fi
+
 if [[ -t 1 ]]; then
     echo -e "\nDone! Run OpenRCT2 by typing:\n\n\033[95mwine openrct2.exe\n\033[0m"
 else

readme.md

@@ -53,6 +53,8 @@ The aim is to completely decompile RollerCoaster Tycoon 2 into C so that cross-p
 
 # 2 Building the source code
 
+Alternatively, a third-party offers [downloadable precompiled builds](https://openrct2.com/download). However, building the project is always recommended.
+
 ## 2.1 Prerequisites
 ### Windows:
 - Windows XP / Vista / 7 / 8

src/input.h

@@ -23,6 +23,7 @@
 
 void game_handle_input();
 void game_handle_keyboard_input();
+void handle_shortcut_command(int shortcutIndex);
 
 void store_mouse_input(int state);
 

src/osinterface.c

@@ -57,6 +57,9 @@ static SDL_Cursor* _cursors[NO_CURSORS];
 
 static const int _fullscreen_modes[] = { 0, SDL_WINDOW_FULLSCREEN, SDL_WINDOW_FULLSCREEN_DESKTOP };
 
+static unsigned int _lastGestureTimestamp;
+static float _gestureRadius;
+
 void osinterface_init()
 {
 	osinterface_create_window();
@@ -395,6 +398,25 @@ void osinterface_process_messages()
 				screenshot_check();
 			}
 			break;
+		case SDL_MULTIGESTURE:
+			if (e.mgesture.numFingers == 2) {
+				if (e.mgesture.timestamp > _lastGestureTimestamp + 1000)
+					_gestureRadius = 0;
+				_lastGestureTimestamp = e.mgesture.timestamp;
+				_gestureRadius += e.mgesture.dDist;
+
+				// Zoom gesture
+				const int tolerance = 128;
+				int gesturePixels = (int)(_gestureRadius * RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_WIDTH, sint16));
+				if (gesturePixels > tolerance) {
+					_gestureRadius = 0;
+					handle_shortcut_command(SHORTCUT_ZOOM_VIEW_IN);
+				} else if (gesturePixels < -tolerance) {
+					_gestureRadius = 0;
+					handle_shortcut_command(SHORTCUT_ZOOM_VIEW_OUT);
+				}
+			}
+			break;
 		default:
 			break;
 		}