viewport_type.h

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00001 /* $Id: viewport_type.h 25264 2013-05-19 14:49:25Z rubidium $ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #ifndef VIEWPORT_TYPE_H
00013 #define VIEWPORT_TYPE_H
00014 
00015 #include "zoom_type.h"
00016 #include "strings_type.h"
00017 
00018 class LinkGraphOverlay;
00019 
00023 struct ViewPort {
00024   int left;    
00025   int top;     
00026   int width;   
00027   int height;  
00028 
00029   int virtual_left;    
00030   int virtual_top;     
00031   int virtual_width;   
00032   int virtual_height;  
00033 
00034   ZoomLevel zoom; 
00035   LinkGraphOverlay *overlay;
00036 };
00037 
00039 enum ViewportSignMargin {
00040   VPSM_LEFT   = 1, 
00041   VPSM_RIGHT  = 1, 
00042   VPSM_TOP    = 1, 
00043   VPSM_BOTTOM = 1, 
00044 };
00045 
00047 struct ViewportSign {
00048   int32 center;        
00049   int32 top;           
00050   uint16 width_normal; 
00051   uint16 width_small;  
00052 
00053   void UpdatePosition(int center, int top, StringID str);
00054   void MarkDirty(ZoomLevel maxzoom = ZOOM_LVL_MAX) const;
00055 };
00056 
00061 enum ZoomStateChange {
00062   ZOOM_IN   = 0, 
00063   ZOOM_OUT  = 1, 
00064   ZOOM_NONE = 2, 
00065 };
00066 
00073 static const uint BB_HEIGHT_UNDER_BRIDGE = 6; 
00074 static const uint BB_Z_SEPARATOR         = 7; 
00075 
00077 enum ViewportPlaceMethod {
00078   VPM_X_OR_Y          =    0, 
00079   VPM_FIX_X           =    1, 
00080   VPM_FIX_Y           =    2, 
00081   VPM_X_AND_Y         =    3, 
00082   VPM_X_AND_Y_LIMITED =    4, 
00083   VPM_FIX_HORIZONTAL  =    5, 
00084   VPM_FIX_VERTICAL    =    6, 
00085   VPM_X_LIMITED       =    7, 
00086   VPM_Y_LIMITED       =    8, 
00087   VPM_RAILDIRS        = 0x40, 
00088   VPM_SIGNALDIRS      = 0x80, 
00089 };
00090 DECLARE_ENUM_AS_BIT_SET(ViewportPlaceMethod)
00091 
00092 
00096 enum ViewportDragDropSelectionProcess {
00097   DDSP_DEMOLISH_AREA,        
00098   DDSP_RAISE_AND_LEVEL_AREA, 
00099   DDSP_LOWER_AND_LEVEL_AREA, 
00100   DDSP_LEVEL_AREA,           
00101   DDSP_CREATE_DESERT,        
00102   DDSP_CREATE_ROCKS,         
00103   DDSP_CREATE_WATER,         
00104   DDSP_CREATE_RIVER,         
00105   DDSP_PLANT_TREES,          
00106   DDSP_BUILD_BRIDGE,         
00107 
00108   /* Rail specific actions */
00109   DDSP_PLACE_RAIL,           
00110   DDSP_BUILD_SIGNALS,        
00111   DDSP_BUILD_STATION,        
00112   DDSP_REMOVE_STATION,       
00113   DDSP_CONVERT_RAIL,         
00114 
00115   /* Road specific actions */
00116   DDSP_PLACE_ROAD_X_DIR,     
00117   DDSP_PLACE_ROAD_Y_DIR,     
00118   DDSP_PLACE_AUTOROAD,       
00119   DDSP_BUILD_BUSSTOP,        
00120   DDSP_BUILD_TRUCKSTOP,      
00121   DDSP_REMOVE_BUSSTOP,       
00122   DDSP_REMOVE_TRUCKSTOP,     
00123 };
00124 
00125 #endif /* VIEWPORT_TYPE_H */