OpenTTD Source
20241108-master-g80f628063a
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Handles drawing of links into some window. More...
#include <linkgraph_gui.h>
Public Types | |
typedef std::map< StationID, LinkProperties > | StationLinkMap |
typedef std::map< StationID, StationLinkMap > | LinkMap |
typedef std::vector< std::pair< StationID, uint > > | StationSupplyList |
Public Member Functions | |
LinkGraphOverlay (Window *w, WidgetID wid, CargoTypes cargo_mask, CompanyMask company_mask, uint scale) | |
Create a link graph overlay for the specified window. More... | |
void | Draw (const DrawPixelInfo *dpi) |
Draw the linkgraph overlay or some part of it, in the area given. More... | |
void | SetCargoMask (CargoTypes cargo_mask) |
Set a new cargo mask and rebuild the cache. More... | |
void | SetCompanyMask (CompanyMask company_mask) |
Set a new company mask and rebuild the cache. More... | |
bool | ShowTooltip (Point pt, TooltipCloseCondition close_cond) |
void | SetDirty () |
Mark the linkgraph dirty to be rebuilt next time Draw() is called. | |
CargoTypes | GetCargoMask () |
Get a bitmask of the currently shown cargoes. | |
CompanyMask | GetCompanyMask () |
Get a bitmask of the currently shown companies. | |
Static Public Attributes | |
static const uint8_t | LINK_COLOURS [][12] |
Colours for the various "load" states of links. More... | |
Protected Member Functions | |
Point | GetStationMiddle (const Station *st) const |
Determine the middle of a station in the current window. More... | |
void | AddLinks (const Station *sta, const Station *stb) |
Add all "interesting" links between the given stations to the cache. More... | |
void | DrawLinks (const DrawPixelInfo *dpi) const |
Draw the cached links or part of them into the given area. More... | |
void | DrawStationDots (const DrawPixelInfo *dpi) const |
Draw dots for stations into the smallmap. More... | |
void | DrawContent (Point pta, Point ptb, const LinkProperties &cargo) const |
Draw one specific link. More... | |
bool | IsLinkVisible (Point pta, Point ptb, const DrawPixelInfo *dpi, int padding=0) const |
Determine if a certain link crosses through the area given by the dpi with some lee way. More... | |
bool | IsPointVisible (Point pt, const DrawPixelInfo *dpi, int padding=0) const |
Determine if a certain point is inside the given DPI, with some lee way. More... | |
void | GetWidgetDpi (DrawPixelInfo *dpi) const |
Get a DPI for the widget we will be drawing to. More... | |
void | RebuildCache () |
Rebuild the cache and recalculate which links and stations to be shown. | |
Static Protected Member Functions | |
static void | AddStats (CargoID new_cargo, uint new_cap, uint new_usg, uint new_flow, uint32_t time, bool new_shared, LinkProperties &cargo) |
Add information from a given pair of link stat and flow stat to the given link properties. More... | |
static void | DrawVertex (int x, int y, int size, int colour, int border_colour) |
Draw a square symbolizing a producer of cargo. More... | |
Protected Attributes | |
Window * | window |
Window to be drawn into. | |
const WidgetID | widget_id |
ID of Widget in Window to be drawn to. | |
CargoTypes | cargo_mask |
Bitmask of cargos to be displayed. | |
CompanyMask | company_mask |
Bitmask of companies to be displayed. | |
LinkMap | cached_links |
Cache for links to reduce recalculation. | |
StationSupplyList | cached_stations |
Cache for stations to be drawn. | |
uint | scale |
Width of link lines. | |
bool | dirty |
Set if overlay should be rebuilt. | |
Handles drawing of links into some window.
The window must either be a smallmap or have a valid viewport.
Definition at line 41 of file linkgraph_gui.h.
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inline |
Create a link graph overlay for the specified window.
w | Window to be drawn into. |
wid | ID of the widget to draw into. |
cargo_mask | Bitmask of cargoes to be shown. |
company_mask | Bitmask of companies to be shown. |
scale | Desired thickness of lines and size of station dots. |
Definition at line 57 of file linkgraph_gui.h.
Add all "interesting" links between the given stations to the cache.
from | The source station. |
to | The destination station. |
Definition at line 213 of file linkgraph_gui.cpp.
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staticprotected |
Add information from a given pair of link stat and flow stat to the given link properties.
The shown usage or plan is always the maximum of all link stats involved.
new_cap | Capacity of the new link. |
new_usg | Usage of the new link. |
new_plan | Planned flow for the new link. |
new_shared | If the new link is shared. |
cargo | LinkProperties to write the information to. |
Definition at line 244 of file linkgraph_gui.cpp.
References LinkProperties::capacity, LinkProperties::cargo, LinkProperties::planned, LinkProperties::shared, LinkProperties::time, LinkProperties::Usage(), and LinkProperties::usage.
void LinkGraphOverlay::Draw | ( | const DrawPixelInfo * | dpi | ) |
Draw the linkgraph overlay or some part of it, in the area given.
dpi | Area to be drawn to. |
Definition at line 262 of file linkgraph_gui.cpp.
References dirty, DrawLinks(), DrawStationDots(), and RebuildCache().
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protected |
Draw one specific link.
pta | Source of the link. |
ptb | Destination of the link. |
cargo | Properties of the link. |
Definition at line 297 of file linkgraph_gui.cpp.
References _settings_client, _settings_game, abs(), LinkProperties::capacity, ClientSettings::gui, lengthof, LINK_COLOURS, GUISettings::linkgraph_colours, VehicleSettings::road_side, scale, ScaleGUITrad(), LinkProperties::shared, LinkProperties::Usage(), and GameSettings::vehicle.
Referenced by DrawLinks().
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Draw the cached links or part of them into the given area.
dpi | Area to be drawn to. |
Definition at line 276 of file linkgraph_gui.cpp.
References cached_links, DrawContent(), SpecializedStation< Station, false >::Get(), GetStationMiddle(), IsLinkVisible(), SpecializedStation< Station, false >::IsValidID(), scale, and ScaleGUITrad().
Referenced by Draw().
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Draw dots for stations into the smallmap.
The dots' sizes are determined by the amount of cargo produced there, their colours by the type of cargo produced.
Definition at line 322 of file linkgraph_gui.cpp.
References cached_stations, DrawVertex(), Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem<&_company_pool >::Get(), GetColourGradient(), SpecializedStation< Station, false >::GetIfValid(), GetStationMiddle(), IsPointVisible(), BaseStation::owner, OWNER_NONE, scale, and ScaleGUITrad().
Referenced by Draw().
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staticprotected |
Draw a square symbolizing a producer of cargo.
x | X coordinate of the middle of the vertex. |
y | Y coordinate of the middle of the vertex. |
size | x and y extent of the vertex. |
colour | Colour with which the vertex will be filled. |
border_colour | Colour for the border of the vertex. |
Definition at line 348 of file linkgraph_gui.cpp.
Referenced by DrawStationDots().
Determine the middle of a station in the current window.
st | The station we're looking for. |
Definition at line 421 of file linkgraph_gui.cpp.
References Window::viewport, and window.
Referenced by DrawLinks(), DrawStationDots(), and RebuildCache().
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Get a DPI for the widget we will be drawing to.
dpi | DrawPixelInfo to fill with the desired dimensions. |
Definition at line 60 of file linkgraph_gui.cpp.
References NWidgetBase::current_x, NWidgetBase::current_y, Window::GetWidget(), widget_id, and window.
Referenced by RebuildCache().
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inlineprotected |
Determine if a certain link crosses through the area given by the dpi with some lee way.
pta | First end of the link. |
ptb | Second end of the link. |
dpi | Visible area. |
padding | Width or thickness of the link. |
Definition at line 143 of file linkgraph_gui.cpp.
Referenced by DrawLinks().
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inlineprotected |
Determine if a certain point is inside the given DPI, with some lee way.
pt | Point we are looking for. |
dpi | Visible area. |
padding | Extent of the point. |
Definition at line 128 of file linkgraph_gui.cpp.
Referenced by DrawStationDots().
void LinkGraphOverlay::SetCargoMask | ( | CargoTypes | cargo_mask | ) |
Set a new cargo mask and rebuild the cache.
cargo_mask | New cargo mask. |
Definition at line 435 of file linkgraph_gui.cpp.
References cargo_mask, Window::GetWidget(), RebuildCache(), SetDirty(), widget_id, and window.
void LinkGraphOverlay::SetCompanyMask | ( | CompanyMask | company_mask | ) |
Set a new company mask and rebuild the cache.
company_mask | New company mask. |
Definition at line 446 of file linkgraph_gui.cpp.
References company_mask, Window::GetWidget(), RebuildCache(), SetDirty(), widget_id, and window.
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Colours for the various "load" states of links.
Ordered from "unused" to "overloaded".
Definition at line 47 of file linkgraph_gui.h.
Referenced by BuildLinkStatsLegend(), and DrawContent().