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Location: cpp/openttd-patchpack/source/station_newgrf.c - annotation
r2743:0c442dfd1461
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(svn r3288) Set svn properties on cocoa related files, and add Id tag.
Add extern to cocoa sound driver.
Add extern to cocoa sound driver.
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/** @file station_newgrf.c Functions for dealing with station classes and custom stations. */
#include "stdafx.h"
#include "openttd.h"
#include "debug.h"
#include "sprite.h"
#include "station_newgrf.h"
static StationClass station_classes[STAT_CLASS_MAX];
/**
* Reset station classes to their default state.
* This includes initialising the Default and Waypoint classes with an empty
* entry, for standard stations and waypoints.
*/
void ResetStationClasses(void)
{
StationClassID i;
for (i = 0; i < STAT_CLASS_MAX; i++) {
station_classes[i].id = 0;
free(station_classes[i].name);
station_classes[i].name = NULL;
station_classes[i].stations = 0;
free(station_classes[i].spec);
station_classes[i].spec = NULL;
}
// Set up initial data
station_classes[0].id = 'DFLT';
station_classes[0].name = strdup("Default");
station_classes[0].stations = 1;
station_classes[0].spec = malloc(sizeof(*station_classes[0].spec));
station_classes[0].spec[0] = NULL;
station_classes[1].id = 'WAYP';
station_classes[1].name = strdup("Waypoints");
station_classes[1].stations = 1;
station_classes[1].spec = malloc(sizeof(*station_classes[1].spec));
station_classes[1].spec[0] = NULL;
}
/**
* Allocate a station class for the given class id.
* @param classid A 32 bit value identifying the class.
* @return Index into station_classes of allocated class.
*/
StationClassID AllocateStationClass(uint32 class)
{
StationClassID i;
for (i = 0; i < STAT_CLASS_MAX; i++) {
if (station_classes[i].id == class) {
// ClassID is already allocated, so reuse it.
return i;
} else if (station_classes[i].id == 0) {
// This class is empty, so allocate it to the ClassID.
station_classes[i].id = class;
return i;
}
}
DEBUG(grf, 2)("StationClassAllocate: Already allocated %d classes, using default.", STAT_CLASS_MAX);
return STAT_CLASS_DFLT;
}
/**
* Return the number of stations for the given station class.
* @param sclass Index of the station class.
* @return Number of stations in the class.
*/
uint GetNumCustomStations(StationClassID sclass)
{
assert(sclass < STAT_CLASS_MAX);
return station_classes[sclass].stations;
}
/**
* Tie a station spec to its station class.
* @param spec The station spec.
*/
void SetCustomStation(StationSpec *spec)
{
StationClass *station_class;
int i;
assert(spec->sclass < STAT_CLASS_MAX);
station_class = &station_classes[spec->sclass];
i = station_class->stations++;
station_class->spec = realloc(station_class->spec, station_class->stations * sizeof(*station_class->spec));
station_class->spec[i] = spec;
}
/**
* Retrieve a station spec from a class.
* @param sclass Index of the station class.
* @param station The station index with the class.
* @return The station spec.
*/
const StationSpec *GetCustomStation(StationClassID sclass, uint station)
{
assert(sclass < STAT_CLASS_MAX);
if (station < station_classes[sclass].stations)
return station_classes[sclass].spec[station];
// If the custom station isn't defined any more, then the GRF file
// probably was not loaded.
return NULL;
}
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