Changeset - r3754:7e934e84e584
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peter1138 - 18 years ago 2006-05-04 20:00:50
peter1138@openttd.org
(svn r4742) - Newstations: Add callbacks for building and drawing custom stations.
2 files changed with 40 insertions and 1 deletions:
newgrf_callbacks.h
11
station_cmd.c
29
1
0 comments (0 inline, 0 general)
newgrf_callbacks.h
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@@ -19,6 +19,14 @@ enum CallbackID {
 
	// only for train vehicles
 
	CBID_TRAIN_VEHICLE_LENGTH       = 0x11,
 

			




	
	
	
		
 
	/* Called (if appropriate bit in callback mask is set) to determine if a

			




	
	
	
		
 
	 * newstation should be made available to build */

			




	
	
	
		
 
	CBID_STATION_AVAILABILITY       = 0x13,

			




	
	
	
		
 

			




	
	
	
		
 
	/* Called (if appropriate bit in callback mask is set) when drawing a tile

			




	
	
	
		
 
	 * to choose a sprite layout to draw, instead of the standard 0-7 range */

			




	
	
	
		
 
	CBID_STATION_SPRITE_LAYOUT      = 0x14,

			




	
	
	
		
 

			




	
	
	
		
 
	// Refit capacity, the passed vehicle needs to have its ->cargo_type set to

			




	
	
	
		
 
	// the cargo we are refitting to, returns the new cargo capacity

			




	
	
	
		
 
	CBID_VEHICLE_REFIT_CAPACITY     = 0x15,

			




	
	
		
 
@@ -30,6 +38,9 @@ enum CallbackID {

			




	
	
	
		
 
	/* This callback is called from vehicle purchase lists. It returns a value to be

			




	
	
	
		
 
	 * used as a custom string ID in the 0xD000 range. */

			




	
	
	
		
 
	CBID_VEHICLE_ADDITIONAL_TEXT    = 0x23,

			




	
	
	
		
 

			




	
	
	
		
 
	/* Called when building a station to customize the tile layout */

			




	
	
	
		
 
	CBID_STATION_TILE_LAYOUT        = 0x24,

			




	
	
	
		
 
};

			




	
	
	
		
 

			




	
	
	
		
 
/**

			




        

    


    
    

    

        

                

                    station_cmd.c
                

                

                  
                      
                        

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@@ -29,6 +29,8 @@

			




	
	
	
		
 
#include "train.h"

			




	
	
	
		
 
#include "water_map.h"

			




	
	
	
		
 
#include "industry_map.h"

			




	
	
	
		
 
#include "newgrf_callbacks.h"

			




	
	
	
		
 
#include "newgrf_station.h"

			




	
	
	
		
 

			




	
	
	
		
 
enum {

			




	
	
	
		
 
	/* Max stations: 64000 (64 * 1000) */

			




	
	
		
 
@@ -1049,6 +1051,20 @@ int32 CmdBuildRailroadStation(TileIndex 

			




	
	
	
		
 
	specindex = AllocateSpecToStation(statspec, st, flags & DC_EXEC);

			




	
	
	
		
 
	if (specindex == -1) return CMD_ERROR;

			




	
	
	
		
 

			




	
	
	
		
 
	if (statspec != NULL) {

			




	
	
	
		
 
		/* Perform NewStation checks */

			




	
	
	
		
 

			




	
	
	
		
 
		/* Check if the station size is permitted */

			




	
	
	
		
 
		if (HASBIT(statspec->disallowed_platforms, numtracks - 1) || HASBIT(statspec->disallowed_lengths, plat_len - 1)) {

			




	
	
	
		
 
			return CMD_ERROR;

			




	
	
	
		
 
		}

			




	
	
	
		
 

			




	
	
	
		
 
		/* Check if the station is buildable */

			




	
	
	
		
 
		if (HASBIT(statspec->callbackmask, CBM_STATION_AVAIL) && GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE) == 0) {

			




	
	
	
		
 
			return CMD_ERROR;

			




	
	
	
		
 
		}

			




	
	
	
		
 
	}

			




	
	
	
		
 

			




	
	
	
		
 
	if (flags & DC_EXEC) {

			




	
	
	
		
 
		TileIndexDiff tile_delta;

			




	
	
	
		
 
		byte *layout_ptr;

			




	
	
		
 
@@ -1085,6 +1101,11 @@ int32 CmdBuildRailroadStation(TileIndex 

			




	
	
	
		
 
				SetCustomStationSpecIndex(tile, specindex);

			




	
	
	
		
 
				SetStationTileRandomBits(tile, GB(Random(), 0, 4));

			




	
	
	
		
 

			




	
	
	
		
 
				if (statspec != NULL) {

			




	
	
	
		
 
					uint16 callback = GetStationCallback(CBID_STATION_TILE_LAYOUT, 0, 0, statspec, st, tile);

			




	
	
	
		
 
					if (callback != CALLBACK_FAILED && callback < 8) SetStationGfx(tile, callback);

			




	
	
	
		
 
				}

			




	
	
	
		
 

			




	
	
	
		
 
				tile += tile_delta;

			




	
	
	
		
 
			} while (--w);

			




	
	
	
		
 
			SetSignalsOnBothDir(tile_org, track);

			




	
	
		
 
@@ -1992,8 +2013,15 @@ static void DrawTile_Station(TileInfo *t

			




	
	
	
		
 

			




	
	
	
		
 
			relocation = GetCustomStationRelocation(statspec, st, ti->tile);

			




	
	
	
		
 

			




	
	
	
		
 
			if (HASBIT(statspec->callbackmask, CBM_CUSTOM_LAYOUT)) {

			




	
	
	
		
 
				uint16 callback = GetStationCallback(CBID_STATION_SPRITE_LAYOUT, 0, 0, statspec, st, ti->tile);

			




	
	
	
		
 
				if (callback != CALLBACK_FAILED) tile = callback + GetRailStationAxis(ti->tile);

			




	
	
	
		
 
			}

			




	
	
	
		
 

			




	
	
	
		
 
			/* Ensure the chosen tile layout is valid for this custom station */

			




	
	
	
		
 
			t = &statspec->renderdata[tile < statspec->tiles ? tile : GetRailStationAxis(ti->tile)];

			




	
	
	
		
 
			if (statspec->renderdata != NULL) {

			




	
	
	
		
 
				t = &statspec->renderdata[tile < statspec->tiles ? tile : GetRailStationAxis(ti->tile)];

			




	
	
	
		
 
			}

			




	
	
	
		
 
		}

			




	
	
	
		
 
	}

			




	
	
	
		
 

			




        

    



    


    



    



      

      





    
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