diff options
Diffstat (limited to 'src/station_gui.cpp')
-rw-r--r-- | src/station_gui.cpp | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/station_gui.cpp b/src/station_gui.cpp index 104a53c72..45208d83a 100644 --- a/src/station_gui.cpp +++ b/src/station_gui.cpp @@ -35,6 +35,97 @@ #include "table/sprites.h" /** + * Draw a (multi)line of cargos seperated by commas, and prefixed with a string. + * @param cargo_mask Mask of cargos to include in the list. + * @param r Rectangle to draw the cargos in. + * @param prefix String to use as prefix for the list of cargos. + * @return Bottom position of the last line used for drawing the cargos. + */ +int DrawCargoListText(uint32 cargo_mask, const Rect &r, StringID prefix) +{ + bool first = true; + char string[512]; + char *b = InlineString(string, prefix); + + for (CargoID i = 0; i < NUM_CARGO; i++) { + if (b >= lastof(string) - (1 + 2 * 4)) break; // ',' or ' ' and two calls to Utf8Encode() + if (HasBit(cargo_mask, i)) { + if (first) { + first = false; + } else { + /* Add a comma if this is not the first item */ + *b++ = ','; + *b++ = ' '; + } + b = InlineString(b, CargoSpec::Get(i)->name); + } + } + + /* If first is still true then no cargo is accepted */ + if (first) b = InlineString(b, STR_JUST_NOTHING); + + *b = '\0'; + + /* Make sure we detect any buffer overflow */ + assert(b < endof(string)); + + SetDParamStr(0, string); + return DrawStringMultiLine(r.left, r.right, r.top, r.bottom, STR_JUST_RAW_STRING); +} + +/** + * Calculates and draws the accepted or supplied cargo around the selected tile(s) + * @param left x position where the string is to be drawn + * @param right the right most position to draw on + * @param top y position where the string is to be drawn + * @param sct which type of cargo is to be displayed (passengers/non-passengers) + * @param rad radius around selected tile(s) to be searched + * @param supplies if supplied cargos should be drawn, else accepted cargos + * @return Returns the y value below the string that was drawn + */ +int DrawStationCoverageAreaText(int left, int right, int top, StationCoverageType sct, int rad, bool supplies) +{ + TileIndex tile = TileVirtXY(_thd.pos.x, _thd.pos.y); + if (tile < MapSize()) { + CargoArray cargos; + if (supplies) { + cargos = GetProductionAroundTiles(tile, _thd.size.x / TILE_SIZE, _thd.size.y / TILE_SIZE, rad); + } else { + cargos = GetAcceptanceAroundTiles(tile, _thd.size.x / TILE_SIZE, _thd.size.y / TILE_SIZE, rad); + } + + /* Convert cargo counts to a set of cargo bits, and draw the result. */ + uint32 cargo_mask = 0; + for (CargoID i = 0; i < NUM_CARGO; i++) { + switch (sct) { + case SCT_PASSENGERS_ONLY: if (!IsCargoInClass(i, CC_PASSENGERS)) continue; break; + case SCT_NON_PASSENGERS_ONLY: if (IsCargoInClass(i, CC_PASSENGERS)) continue; break; + case SCT_ALL: break; + default: NOT_REACHED(); + } + if (cargos[i] >= (supplies ? 1U : 8U)) SetBit(cargo_mask, i); + } + Rect r = {left, top, right, INT32_MAX}; + return DrawCargoListText(cargo_mask, r, supplies ? STR_STATION_BUILD_SUPPLIES_CARGO : STR_STATION_BUILD_ACCEPTS_CARGO); + } + + return top; +} + +/** + * Check whether we need to redraw the station coverage text. + * If it is needed actually make the window for redrawing. + * @param w the window to check. + */ +void CheckRedrawStationCoverage(const Window *w) +{ + if (_thd.dirty & 1) { + _thd.dirty &= ~1; + w->SetDirty(); + } +} + +/** * Draw small boxes of cargo amount and ratings data at the given * coordinates. If amount exceeds 576 units, it is shown 'full', same * goes for the rating: at above 90% orso (224) it is also 'full' |