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156 lines
5.8 KiB
C++
156 lines
5.8 KiB
C++
/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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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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#include "strings_type.h"
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#include "table/strings.h"
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class LinkGraphOverlay;
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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 edge 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; ///< The zoom level of the viewport.
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LinkGraphOverlay *overlay;
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};
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/** Margins for the viewport sign */
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enum ViewportSignMargin {
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VPSM_LEFT = 1, ///< Left margin
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VPSM_RIGHT = 1, ///< Right margin
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VPSM_TOP = 1, ///< Top margin
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VPSM_BOTTOM = 1, ///< Bottom margin
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};
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/** Location information about a sign as seen on the viewport */
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struct ViewportSign {
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int32 center; ///< The center position of the sign
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int32 top; ///< The top of the sign
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uint16 width_normal; ///< The width when not zoomed out (normal font)
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uint16 width_small; ///< The width when zoomed out (small font)
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void UpdatePosition(int center, int top, StringID str, StringID str_small = STR_NULL);
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void MarkDirty(ZoomLevel maxzoom = ZOOM_LVL_MAX) const;
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};
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/** Specialised ViewportSign that tracks whether it is valid for entering into a Kdtree */
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struct TrackedViewportSign : ViewportSign {
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bool kdtree_valid; ///< Are the sign data valid for use with the _viewport_sign_kdtree?
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/**
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* Update the position of the viewport sign.
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* Note that this function hides the base class function.
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*/
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void UpdatePosition(int center, int top, StringID str, StringID str_small = STR_NULL)
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{
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this->kdtree_valid = true;
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this->ViewportSign::UpdatePosition(center, top, str, str_small);
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}
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TrackedViewportSign() : kdtree_valid{ false }
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{
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}
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};
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/**
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* Directions of zooming.
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* @see DoZoomInOutWindow
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*/
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enum ZoomStateChange {
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ZOOM_IN = 0, ///< Zoom in (get more detailed view).
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ZOOM_OUT = 1, ///< Zoom out (get helicopter view).
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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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static const uint BB_HEIGHT_UNDER_BRIDGE = 6; ///< Everything that can be built under low bridges, must not exceed this Z height.
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static const uint BB_Z_SEPARATOR = 7; ///< Separates the bridge/tunnel from the things under/above it.
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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_X_AND_Y = 3, ///< area of land in X and Y directions
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VPM_X_AND_Y_LIMITED = 4, ///< area of land of limited size
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VPM_FIX_HORIZONTAL = 5, ///< drag only in horizontal direction
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VPM_FIX_VERTICAL = 6, ///< drag only in vertical direction
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VPM_X_LIMITED = 7, ///< Drag only in X axis with limited size
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VPM_Y_LIMITED = 8, ///< Drag only in Y axis with limited size
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VPM_RAILDIRS = 0x40, ///< all rail directions
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VPM_SIGNALDIRS = 0x80, ///< similar to VMP_RAILDIRS, but with different cursor
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};
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DECLARE_ENUM_AS_BIT_SET(ViewportPlaceMethod)
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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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*/
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enum ViewportDragDropSelectionProcess {
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DDSP_DEMOLISH_AREA, ///< Clear area
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DDSP_RAISE_AND_LEVEL_AREA, ///< Raise / level area
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DDSP_LOWER_AND_LEVEL_AREA, ///< Lower / level area
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DDSP_LEVEL_AREA, ///< Level area
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DDSP_CREATE_DESERT, ///< Fill area with desert
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DDSP_CREATE_ROCKS, ///< Fill area with rocks
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DDSP_CREATE_WATER, ///< Create a canal
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DDSP_CREATE_RIVER, ///< Create rivers
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DDSP_PLANT_TREES, ///< Plant trees
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DDSP_BUILD_BRIDGE, ///< Bridge placement
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/* Rail specific actions */
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DDSP_PLACE_RAIL, ///< Rail placement
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DDSP_BUILD_SIGNALS, ///< Signal placement
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DDSP_BUILD_STATION, ///< Station placement
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DDSP_REMOVE_STATION, ///< Station removal
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DDSP_CONVERT_RAIL, ///< Rail conversion
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/* Road specific actions */
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DDSP_PLACE_ROAD_X_DIR, ///< Road placement (X axis)
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DDSP_PLACE_ROAD_Y_DIR, ///< Road placement (Y axis)
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DDSP_PLACE_AUTOROAD, ///< Road placement (auto)
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DDSP_BUILD_BUSSTOP, ///< Road stop placement (buses)
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DDSP_BUILD_TRUCKSTOP, ///< Road stop placement (trucks)
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DDSP_REMOVE_BUSSTOP, ///< Road stop removal (buses)
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DDSP_REMOVE_TRUCKSTOP, ///< Road stop removal (trucks)
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DDSP_CONVERT_ROAD, ///< Road conversion
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};
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/**
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* Target of the viewport scrolling GS method
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*/
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enum ViewportScrollTarget {
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VST_EVERYONE, ///< All players
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VST_COMPANY, ///< All players in specific company
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VST_CLIENT, ///< Single player
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};
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#endif /* VIEWPORT_TYPE_H */
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