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(svn r16872) -Codechange: Add RoadVehicle::GetDisplayImageWidth and simplify DrawRoadVehImage.

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This commit is contained in:
frosch 2009-07-18 12:34:19 +00:00
parent 543b86307f
commit f9e085f004
3 changed files with 27 additions and 29 deletions
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1
src/roadveh.h
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@ -117,6 +117,7 @@ struct RoadVehicle : public SpecializedVehicle<RoadVehicle, VEH_ROAD> {
int GetDisplaySpeed() const { return this->cur_speed / 2; }
int GetDisplayMaxSpeed() const { return this->max_speed / 2; }
Money GetRunningCost() const { return RoadVehInfo(this->engine_type)->running_cost * GetPriceByIndex(RoadVehInfo(this->engine_type)->running_cost_class); }
int GetDisplayImageWidth(Point *offset = NULL) const;
bool IsInDepot() const { return this->state == RVSB_IN_DEPOT; }
bool IsStoppedInDepot() const;
bool Tick();

16
src/roadveh_cmd.cpp
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@ -85,6 +85,22 @@ static const Trackdir _roadveh_depot_exit_trackdir[DIAGDIR_END] = {
TRACKDIR_X_NE, TRACKDIR_Y_SE, TRACKDIR_X_SW, TRACKDIR_Y_NW
};
/**
* Get the width of a road vehicle image in the GUI.
* @param offset Additional offset for positioning the sprite; set to NULL if not needed
* @return Width in pixels
*/
int RoadVehicle::GetDisplayImageWidth(Point *offset) const
{
int reference_width = ROADVEHINFO_DEFAULT_VEHICLE_WIDTH;
if (offset != NULL) {
offset->x = reference_width / 2;
offset->y = 0;
}
return this->rcache.cached_veh_length * reference_width / 8;
}
static SpriteID GetRoadVehIcon(EngineID engine)
{
uint8 spritenum = RoadVehInfo(engine)->image_index;

39
src/roadveh_gui.cpp
View File

@ -6,7 +6,6 @@
#include "roadveh.h"
#include "window_gui.h"
#include "gfx_func.h"
#include "newgrf_engine.h"
#include "vehicle_gui.h"
#include "strings_func.h"
#include "vehicle_func.h"
@ -115,12 +114,6 @@ void DrawRoadVehDetails(const Vehicle *v, int left, int right, int y)
DrawString(left, right, y + 33 + y_offset, STR_FEEDER_CARGO_VALUE);
}
static inline int RoadVehLengthToPixels(int length)
{
return (length * ROADVEHINFO_DEFAULT_VEHICLE_WIDTH) / 8;
}
/**
* Draws an image of a road vehicle chain
* @param v Front vehicle
@ -131,31 +124,19 @@ static inline int RoadVehLengthToPixels(int length)
*/
void DrawRoadVehImage(const Vehicle *v, int x, int y, VehicleID selection, int max_width)
{
int max_length = max_width / ROADVEHINFO_DEFAULT_VEHICLE_WIDTH;
const RoadVehicle *u = RoadVehicle::From(v);
int x_pos = 0;
for (; u != NULL && x_pos < max_width; u = u->Next()) {
Point offset;
int width = u->GetDisplayImageWidth(&offset);
/* Width of highlight box */
int highlight_w = 0;
for (int dx = 0; v != NULL && dx < max_length ; v = v->Next()) {
int width = RoadVehicle::From(v)->rcache.cached_veh_length;
if (dx + width > 0 && dx <= max_length) {
SpriteID pal = (v->vehstatus & VS_CRASHED) ? PALETTE_CRASH : GetVehiclePalette(v);
DrawSprite(v->GetImage(DIR_W), pal, x + 14 + RoadVehLengthToPixels(dx), y + 6);
if (v->index == selection) {
/* Set the highlight position */
highlight_w = RoadVehLengthToPixels(width);
} else if (_cursor.vehchain && highlight_w != 0) {
highlight_w += RoadVehLengthToPixels(width);
}
}
dx += width;
SpriteID pal = (u->vehstatus & VS_CRASHED) ? PALETTE_CRASH : GetVehiclePalette(u);
DrawSprite(u->GetImage(DIR_W), pal, x + x_pos + offset.x, y + 6 + offset.y);
x_pos += width;
}
if (highlight_w != 0) {
DrawFrameRect(x - 1, y - 1, x - 1 + highlight_w, y + 12, COLOUR_WHITE, FR_BORDERONLY);
if (v->index == selection) {
DrawFrameRect(x - 1, y - 1, x - 1 + x_pos, y + 12, COLOUR_WHITE, FR_BORDERONLY);
}
}