OpenTTD Source
1.11.0-beta2
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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 (const Window *w, uint wid, CargoTypes cargo_mask, uint32 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 (uint32 company_mask) |
Set a new company mask and rebuild the cache. More... | |
void | SetDirty () |
Mark the linkgraph dirty to be rebuilt next time Draw() is called. | |
CargoTypes | GetCargoMask () |
Get a bitmask of the currently shown cargoes. | |
uint32 | GetCompanyMask () |
Get a bitmask of the currently shown companies. | |
Static Public Attributes | |
static const uint8 | LINK_COLOURS [] |
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 (uint new_cap, uint new_usg, uint new_flow, 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 | |
const Window * | window |
Window to be drawn into. | |
const uint | widget_id |
ID of Widget in Window to be drawn to. | |
CargoTypes | cargo_mask |
Bitmask of cargos to be displayed. | |
uint32 | 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 37 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 53 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 193 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 223 of file linkgraph_gui.cpp.
References LinkGraph::cargo.
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 239 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 273 of file linkgraph_gui.cpp.
References _settings_game, abs(), LinkGraph::cargo, lengthof, LINK_COLOURS, VehicleSettings::road_side, scale, 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 253 of file linkgraph_gui.cpp.
References cached_links, DrawContent(), SpecializedStation< Station, false >::Get(), GetStationMiddle(), IsLinkVisible(), SpecializedStation< Station, false >::IsValidID(), and scale.
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 297 of file linkgraph_gui.cpp.
References _colour_gradient, cached_stations, DrawVertex(), Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem<&_company_pool >::Get(), SpecializedStation< Station, false >::GetIfValid(), GetStationMiddle(), IsPointVisible(), BaseStation::owner, OWNER_NONE, and scale.
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 | Y and y extend of the vertex. |
colour | Colour with which the vertex will be filled. |
border_colour | Colour for the border of the vertex. |
Definition at line 322 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 343 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 39 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 123 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 108 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 357 of file linkgraph_gui.cpp.
References cargo_mask, Window::GetWidget(), RebuildCache(), SetDirty(), widget_id, and window.
Referenced by SmallMapWindow::SetOverlayCargoMask().
void LinkGraphOverlay::SetCompanyMask | ( | uint32 | company_mask | ) |
Set a new company mask and rebuild the cache.
company_mask | New company mask. |
Definition at line 368 of file linkgraph_gui.cpp.
References company_mask, Window::GetWidget(), RebuildCache(), SetDirty(), widget_id, and window.
Referenced by SmallMapWindow::OnRealtimeTick().
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Colours for the various "load" states of links.
Ordered from "unused" to "overloaded".
Definition at line 43 of file linkgraph_gui.h.
Referenced by BuildLinkStatsLegend(), and DrawContent().