Changeset - r3390:04cda83c4278
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peter1138 - 18 years ago 2006-03-31 10:14:25
peter1138@openttd.org
(svn r4198) - NewGRF: Rename GetCallBackResult() to GetVehicleCallback(), as other types will exist later, and use separate parameters instead of bitshifting.
3 files changed with 14 insertions and 13 deletions:
newgrf_engine.c
8
7
newgrf_engine.h
1
1
train_cmd.c
5
5
0 comments (0 inline, 0 general)
newgrf_engine.c
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@@ -476,18 +476,19 @@ bool UsesWagonOverride(const Vehicle* v)
 
}
 

			




	
	
	
		
 
/**

			




	
	
	
		
 
 * Evaluates a newgrf callback

			




	
	
	
		
 
 * @param callback_info info about which callback to evaluate

			




	
	
	
		
 
 *  (bit 0-7)  = CallBack id of the callback to use, see CallBackId enum

			




	
	
	
		
 
 *  (bit 8-15) = Other info some callbacks need to have, callback specific, see CallBackId enum, not used yet

			




	
	
	
		
 
 * @param engine Engine type of the vehicle to evaluate the callback for

			




	
	
	
		
 
 * @param vehicle The vehicle to evaluate the callback for, NULL if it doesnt exist (yet)

			




	
	
	
		
 
 * Evaluate a newgrf callback for vehicles

			




	
	
	
		
 
 * @param callback The callback to evalute

			




	
	
	
		
 
 * @param param1   First parameter of the callback

			




	
	
	
		
 
 * @param param2   Second parameter of the callback

			




	
	
	
		
 
 * @param engine   Engine type of the vehicle to evaluate the callback for

			




	
	
	
		
 
 * @param vehicle  The vehicle to evaluate the callback for, or NULL if it doesnt exist yet

			




	
	
	
		
 
 * @return The value the callback returned, or CALLBACK_FAILED if it failed

			




	
	
	
		
 
 */

			




	
	
	
		
 
uint16 GetCallBackResult(uint16 callback_info, EngineID engine, const Vehicle *v)

			




	
	
	
		
 
uint16 GetVehicleCallback(byte callback, uint32 param1, uint32 param2, EngineID engine, const Vehicle *v)

			




	
	
	
		
 
{

			




	
	
	
		
 
	const SpriteGroup *group;

			




	
	
	
		
 
	CargoID cargo = GC_DEFAULT;

			




	
	
	
		
 
	uint16 callback_info = callback | (param1 << 8); // XXX Temporary conversion between new and old format.

			




	
	
	
		
 

			




	
	
	
		
 
	if (v != NULL)

			




	
	
	
		
 
		cargo = _global_cargo_id[_opt.landscape][v->cargo_type];

			




        

    


    
    

    

        

                

                    newgrf_engine.h
                

                

                  
                      
                        

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@@ -18,7 +18,7 @@ void SetWagonOverrideSprites(EngineID en

			




	
	
	
		
 
void SetCustomEngineSprites(EngineID engine, byte cargo, struct SpriteGroup *group);

			




	
	
	
		
 
// loaded is in percents, overriding_engine 0xffff is none

			




	
	
	
		
 
int GetCustomEngineSprite(EngineID engine, const Vehicle* v, Direction direction);

			




	
	
	
		
 
uint16 GetCallBackResult(uint16 callback_info, EngineID engine, const Vehicle *v);

			




	
	
	
		
 
uint16 GetVehicleCallback(byte callback, uint32 param1, uint32 param2, EngineID engine, const Vehicle *v);

			




	
	
	
		
 
bool UsesWagonOverride(const Vehicle *v);

			




	
	
	
		
 
#define GetCustomVehicleSprite(v, direction) GetCustomEngineSprite(v->engine_type, v, direction)

			




	
	
	
		
 
#define GetCustomVehicleIcon(et, direction) GetCustomEngineSprite(et, NULL, direction)

			




        

    


    
    

    

        

                

                    train_cmd.c
                

                

                  
                      
                        

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@@ -164,7 +164,7 @@ void TrainConsistChanged(Vehicle* v)

			




	
	
	
		
 
			CLRBIT(u->u.rail.flags, VRF_POWEREDWAGON);

			




	
	
	
		
 
			if ((rvi_v->pow_wag_power != 0) && (rvi_u->flags & RVI_WAGON) && UsesWagonOverride(u)) {

			




	
	
	
		
 
				if (HASBIT(rvi_u->callbackmask, CBM_WAGON_POWER)) {

			




	
	
	
		
 
					uint16 callback = GetCallBackResult(CBID_TRAIN_WAGON_POWER,  u->engine_type, u);

			




	
	
	
		
 
					uint16 callback = GetVehicleCallback(CBID_TRAIN_WAGON_POWER, 0, 0, u->engine_type, u);

			




	
	
	
		
 

			




	
	
	
		
 
					if (callback != CALLBACK_FAILED)

			




	
	
	
		
 
						u->u.rail.cached_vis_effect = callback;

			




	
	
		
 
@@ -191,7 +191,7 @@ void TrainConsistChanged(Vehicle* v)

			




	
	
	
		
 
		// check the vehicle length (callback)

			




	
	
	
		
 
		veh_len = CALLBACK_FAILED;

			




	
	
	
		
 
		if (HASBIT(rvi_u->callbackmask, CBM_VEHICLE_LENGTH))

			




	
	
	
		
 
			veh_len = GetCallBackResult(CBID_TRAIN_VEHICLE_LENGTH,  u->engine_type, u);

			




	
	
	
		
 
			veh_len = GetVehicleCallback(CBID_TRAIN_VEHICLE_LENGTH, 0, 0, u->engine_type, u);

			




	
	
	
		
 
		if (veh_len == CALLBACK_FAILED)

			




	
	
	
		
 
			veh_len = rvi_u->shorten_factor;

			




	
	
	
		
 
		veh_len = clamp(veh_len, 0, u->next == NULL ? 7 : 5); // the clamp on vehicles not the last in chain is stricter, as too short wagons can break the 'follow next vehicle' code

			




	
	
		
 
@@ -485,7 +485,7 @@ static uint CountArticulatedParts(const 

			




	
	
	
		
 
	if (!HASBIT(rvi->callbackmask, CBM_ARTIC_ENGINE)) return 0;

			




	
	
	
		
 

			




	
	
	
		
 
	for (i = 1; i < 10; i++) {

			




	
	
	
		
 
		callback = GetCallBackResult(CBID_TRAIN_ARTIC_ENGINE + (i << 8), engine_type, NULL);

			




	
	
	
		
 
		callback = GetVehicleCallback(CBID_TRAIN_ARTIC_ENGINE, i, 0, engine_type, NULL);

			




	
	
	
		
 
		if (callback == CALLBACK_FAILED || callback == 0xFF) break;

			




	
	
	
		
 
	}

			




	
	
	
		
 

			




	
	
		
 
@@ -505,7 +505,7 @@ static void AddArticulatedParts(const Ra

			




	
	
	
		
 
	if (!HASBIT(rvi->callbackmask, CBM_ARTIC_ENGINE)) return;

			




	
	
	
		
 

			




	
	
	
		
 
	for (i = 1; i < 10; i++) {

			




	
	
	
		
 
		callback = GetCallBackResult(CBID_TRAIN_ARTIC_ENGINE + (i << 8), v->engine_type, NULL);

			




	
	
	
		
 
		callback = GetVehicleCallback(CBID_TRAIN_ARTIC_ENGINE, i, 0, v->engine_type, NULL);

			




	
	
	
		
 
		if (callback == CALLBACK_FAILED || callback == 0xFF) return;

			




	
	
	
		
 

			




	
	
	
		
 
		u->next = vl[i];

			




	
	
		
 
@@ -1737,7 +1737,7 @@ int32 CmdRefitRailVehicle(int x, int y, 

			




	
	
	
		
 
				/* Check the 'refit capacity' callback */

			




	
	
	
		
 
				CargoID temp_cid = v->cargo_type;

			




	
	
	
		
 
				v->cargo_type = new_cid;

			




	
	
	
		
 
				amount = GetCallBackResult(CBID_VEHICLE_REFIT_CAPACITY, v->engine_type, v);

			




	
	
	
		
 
				amount = GetVehicleCallback(CBID_VEHICLE_REFIT_CAPACITY, 0, 0, v->engine_type, v);

			




	
	
	
		
 
				v->cargo_type = temp_cid;

			




	
	
	
		
 
			}

			




	
	
	
		
 

			




        

    



    


    



    



      

      





    
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