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