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(svn r8211) -Codechange: (NewGRF) Implement callback 2D, explicit vehicle colour map 

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This commit is contained in:
peter1138 2007-01-17 22:19:12 +00:00
parent 3d1735fcfd
commit 004f1b061f
2 changed files with 30 additions and 10 deletions
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4
src/newgrf_callbacks.h
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@ -48,6 +48,10 @@ enum CallbackID {
/* Called when building a station to customize the tile layout */
CBID_STATION_TILE_LAYOUT = 0x24,
/* Called to determine if a specific colour map should be used for a vehicle
* instead of the default livery */
CBID_VEHICLE_COLOUR_MAPPING = 0x2D,
/* Called when the player (or AI) tries to start or stop a vehicle. Mainly
* used for preventing a vehicle from leaving the depot. */
CBID_VEHICLE_START_STOP_CHECK = 0x31,

36
src/vehicle.cpp
View File

@ -33,6 +33,7 @@
#include "network/network.h"
#include "yapf/yapf.h"
#include "date.h"
#include "newgrf_callbacks.h"
#include "newgrf_engine.h"
#include "newgrf_sound.h"
#include "helpers.hpp"
@ -2813,11 +2814,25 @@ UnitID GetFreeUnitNumber(byte type)
return unit;
}
static SpriteID GetEngineColourMap(EngineID engine_type, PlayerID player, EngineID parent_engine_type, CargoID cargo_type)
static SpriteID GetEngineColourMap(EngineID engine_type, PlayerID player, EngineID parent_engine_type, const Vehicle *v)
{
SpriteID map;
SpriteID map = PAL_NONE;
const Player *p = GetPlayer(player);
LiveryScheme scheme = LS_DEFAULT;
CargoID cargo_type = v == NULL ? (CargoID)CT_INVALID : v->cargo_type;
/* Check if we should use the colour map callback */
if (HASBIT(EngInfo(engine_type)->callbackmask, CBM_COLOUR_REMAP)) {
uint16 callback = GetVehicleCallback(CBID_VEHICLE_COLOUR_MAPPING, 0, 0, engine_type, v);
/* A return value of 0xC000 is stated to "use the default two-color
* maps" which happens to be the failure action too... */
if (callback != CALLBACK_FAILED && callback != 0xC000) {
map = GB(callback, 0, 14);
/* If bit 14 is set, then the company colours are applied to the
* map else it's returned as-is. */
if (!HASBIT(callback, 14)) return map;
}
}
/* The default livery is always available for use, but its in_use flag determines
* whether any _other_ liveries are in use. */
@ -2894,16 +2909,19 @@ static SpriteID GetEngineColourMap(EngineID engine_type, PlayerID player, Engine
if (!p->livery[scheme].in_use) scheme = LS_DEFAULT;
}
map = HASBIT(EngInfo(engine_type)->misc_flags, EF_USES_2CC) ?
(SPR_2CCMAP_BASE + p->livery[scheme].colour1 + p->livery[scheme].colour2 * 16) :
(PALETTE_RECOLOR_START + p->livery[scheme].colour1);
bool twocc = HASBIT(EngInfo(engine_type)->misc_flags, EF_USES_2CC);
if (map == PAL_NONE) map = twocc ? (SpriteID)SPR_2CCMAP_BASE : (SpriteID)PALETTE_RECOLOR_START;
map += p->livery[scheme].colour1;
if (twocc) map += p->livery[scheme].colour2 * 16;
return map;
}
SpriteID GetEnginePalette(EngineID engine_type, PlayerID player)
{
return GetEngineColourMap(engine_type, player, INVALID_ENGINE, CT_INVALID);
return GetEngineColourMap(engine_type, player, INVALID_ENGINE, NULL);
}
SpriteID GetVehiclePalette(const Vehicle *v)
@ -2912,12 +2930,10 @@ SpriteID GetVehiclePalette(const Vehicle *v)
return GetEngineColourMap(
(v->u.rail.first_engine != INVALID_ENGINE && (IsArticulatedPart(v) || UsesWagonOverride(v))) ?
v->u.rail.first_engine : v->engine_type,
v->owner,
v->u.rail.first_engine,
v->cargo_type);
v->owner, v->u.rail.first_engine, v);
}
return GetEngineColourMap(v->engine_type, v->owner, INVALID_ENGINE, v->cargo_type);
return GetEngineColourMap(v->engine_type, v->owner, INVALID_ENGINE, v);
}
// Save and load of vehicles