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Location: cpp/openttd-patchpack/source/src/viewport_type.h - annotation
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/** @file viewport_type.h Types related to viewports. */
#ifndef VIEWPORT_TYPE_H
#define VIEWPORT_TYPE_H
#include "zoom_type.h"
/**
* Data structure for viewport, display of a part of the world
*/
struct ViewPort {
int left; ///< Screen coordinate left egde of the viewport
int top; ///< Screen coordinate top edge of the viewport
int width; ///< Screen width of the viewport
int height; ///< Screen height of the viewport
int virtual_left; ///< Virtual left coordinate
int virtual_top; ///< Virtual top coordinate
int virtual_width; ///< width << zoom
int virtual_height; ///< height << zoom
ZoomLevel zoom;
};
struct ViewportSign {
int32 left;
int32 top;
uint16 width_1, width_2;
};
enum {
ZOOM_IN = 0,
ZOOM_OUT = 1,
ZOOM_NONE = 2, // hack, used to update the button status
};
/**
* Some values for constructing bounding boxes (BB). The Z positions under bridges are:
* z=0..5 Everything that can be built under low bridges.
* z=6 reserved, currently unused.
* z=7 Z separator between bridge/tunnel and the things under/above it.
*/
enum {
BB_HEIGHT_UNDER_BRIDGE = 6, ///< Everything that can be built under low bridges, must not exceed this Z height.
BB_Z_SEPARATOR = 7, ///< Separates the bridge/tunnel from the things under/above it.
};
/** Viewport place method (type of highlighted area and placed objects) */
enum ViewportPlaceMethod {
VPM_X_OR_Y = 0, ///< drag in X or Y direction
VPM_FIX_X = 1, ///< drag only in X axis
VPM_FIX_Y = 2, ///< drag only in Y axis
VPM_RAILDIRS = 3, ///< all rail directions
VPM_X_AND_Y = 4, ///< area of land in X and Y directions
VPM_X_AND_Y_LIMITED = 5, ///< area of land of limited size
VPM_SIGNALDIRS = 6, ///< similiar to VMP_RAILDIRS, but with different cursor
};
/** Drag and drop selection process, or, what to do with an area of land when
* you've selected it. */
enum ViewportDragDropSelectionProcess {
DDSP_DEMOLISH_AREA,
DDSP_RAISE_AND_LEVEL_AREA,
DDSP_LOWER_AND_LEVEL_AREA,
DDSP_LEVEL_AREA,
DDSP_CREATE_DESERT,
DDSP_CREATE_ROCKS,
DDSP_CREATE_WATER,
DDSP_CREATE_RIVER,
DDSP_PLANT_TREES,
DDSP_BUILD_BRIDGE,
/* Rail specific actions */
DDSP_PLACE_RAIL_NE,
DDSP_PLACE_RAIL_NW,
DDSP_PLACE_AUTORAIL,
DDSP_BUILD_SIGNALS,
DDSP_BUILD_STATION,
DDSP_REMOVE_STATION,
DDSP_CONVERT_RAIL,
/* Road specific actions */
DDSP_PLACE_ROAD_X_DIR,
DDSP_PLACE_ROAD_Y_DIR,
DDSP_PLACE_AUTOROAD,
};
#endif /* VIEWPORT_TYPE_H */
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