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Location: cpp/openttd-patchpack/source/src/newgrf_airporttiles.cpp - annotation
r22703:f59a7bf4ff1a
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(svn r27924) -Update from Eints:
hebrew: 5 changes by Metheny
hebrew: 5 changes by Metheny
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r15929:5d5037945a0e r15929:5d5037945a0e r15929:5d5037945a0e r15929:5d5037945a0e r15929:5d5037945a0e r14610:ca137edec6fe r14610:ca137edec6fe r15928:b5d464e405a1 r15929:5d5037945a0e r14610:ca137edec6fe r15929:5d5037945a0e r14610:ca137edec6fe r14610:ca137edec6fe r14610:ca137edec6fe r14610:ca137edec6fe r15928:b5d464e405a1 r15925:9a7fe46227a0 r14610:ca137edec6fe r15929:5d5037945a0e r14610:ca137edec6fe r14610:ca137edec6fe r14610:ca137edec6fe r14610:ca137edec6fe r14611:79a9ea376bde r14610:ca137edec6fe r14611:79a9ea376bde r14610:ca137edec6fe r14610:ca137edec6fe r14610:ca137edec6fe r14610:ca137edec6fe | /* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file newgrf_airporttiles.cpp NewGRF handling of airport tiles. */
#include "stdafx.h"
#include "debug.h"
#include "newgrf_airporttiles.h"
#include "newgrf_spritegroup.h"
#include "newgrf_sound.h"
#include "station_base.h"
#include "water.h"
#include "landscape.h"
#include "company_base.h"
#include "town.h"
#include "table/strings.h"
#include "table/airporttiles.h"
#include "newgrf_animation_base.h"
#include "safeguards.h"
AirportTileSpec AirportTileSpec::tiles[NUM_AIRPORTTILES];
AirportTileOverrideManager _airporttile_mngr(NEW_AIRPORTTILE_OFFSET, NUM_AIRPORTTILES, INVALID_AIRPORTTILE);
/**
* Retrieve airport tile spec for the given airport tile
* @param gfx index of airport tile
* @return A pointer to the corresponding AirportTileSpec
*/
/* static */ const AirportTileSpec *AirportTileSpec::Get(StationGfx gfx)
{
/* should be assert(gfx < lengthof(tiles)), but that gives compiler warnings
* since it's always true if the following holds: */
assert_compile(MAX_UVALUE(StationGfx) + 1 == lengthof(tiles));
return &AirportTileSpec::tiles[gfx];
}
/**
* Retrieve airport tile spec for the given airport tile.
* @param tile The airport tile.
* @return A pointer to the corresponding AirportTileSpec.
*/
/* static */ const AirportTileSpec *AirportTileSpec::GetByTile(TileIndex tile)
{
return AirportTileSpec::Get(GetAirportGfx(tile));
}
/**
* This function initializes the tile array of AirportTileSpec
*/
void AirportTileSpec::ResetAirportTiles()
{
memset(&AirportTileSpec::tiles, 0, sizeof(AirportTileSpec::tiles));
memcpy(&AirportTileSpec::tiles, &_origin_airporttile_specs, sizeof(_origin_airporttile_specs));
/* Reset any overrides that have been set. */
_airporttile_mngr.ResetOverride();
}
void AirportTileOverrideManager::SetEntitySpec(const AirportTileSpec *airpts)
{
StationGfx airpt_id = this->AddEntityID(airpts->grf_prop.local_id, airpts->grf_prop.grffile->grfid, airpts->grf_prop.subst_id);
if (airpt_id == invalid_ID) {
grfmsg(1, "AirportTile.SetEntitySpec: Too many airport tiles allocated. Ignoring.");
return;
}
memcpy(&AirportTileSpec::tiles[airpt_id], airpts, sizeof(*airpts));
/* Now add the overrides. */
for (int i = 0; i < max_offset; i++) {
AirportTileSpec *overridden_airpts = &AirportTileSpec::tiles[i];
if (entity_overrides[i] != airpts->grf_prop.local_id || grfid_overrides[i] != airpts->grf_prop.grffile->grfid) continue;
overridden_airpts->grf_prop.override = airpt_id;
overridden_airpts->enabled = false;
entity_overrides[i] = invalid_ID;
grfid_overrides[i] = 0;
}
}
/**
* Do airporttile gfx ID translation for NewGRFs.
* @param gfx the type to get the override for.
* @return the gfx to actually work with.
*/
StationGfx GetTranslatedAirportTileID(StationGfx gfx)
{
const AirportTileSpec *it = AirportTileSpec::Get(gfx);
return it->grf_prop.override == INVALID_AIRPORTTILE ? gfx : it->grf_prop.override;
}
/**
* Based on newhouses/newindustries equivalent, but adapted for airports.
* @param parameter from callback. It's in fact a pair of coordinates
* @param tile TileIndex from which the callback was initiated
* @param index of the industry been queried for
* @param grf_version8 True, if we are dealing with a new NewGRF which uses GRF version >= 8.
* @return a construction of bits obeying the newgrf format
*/
static uint32 GetNearbyAirportTileInformation(byte parameter, TileIndex tile, StationID index, bool grf_version8)
{
if (parameter != 0) tile = GetNearbyTile(parameter, tile); // only perform if it is required
bool is_same_airport = (IsTileType(tile, MP_STATION) && IsAirport(tile) && GetStationIndex(tile) == index);
return GetNearbyTileInformation(tile, grf_version8) | (is_same_airport ? 1 : 0) << 8;
}
/**
* Make an analysis of a tile and check whether it belongs to the same
* airport, and/or the same grf file
* @param tile TileIndex of the tile to query
* @param st Station to which to compare the tile to
* @param cur_grfid GRFID of the current callback
* @return value encoded as per NFO specs
*/
static uint32 GetAirportTileIDAtOffset(TileIndex tile, const Station *st, uint32 cur_grfid)
{
if (!st->TileBelongsToAirport(tile)) {
return 0xFFFF;
}
StationGfx gfx = GetAirportGfx(tile);
const AirportTileSpec *ats = AirportTileSpec::Get(gfx);
if (gfx < NEW_AIRPORTTILE_OFFSET) { // Does it belongs to an old type?
/* It is an old tile. We have to see if it's been overridden */
if (ats->grf_prop.override == INVALID_AIRPORTTILE) { // has it been overridden?
return 0xFF << 8 | gfx; // no. Tag FF + the gfx id of that tile
}
/* Overridden */
const AirportTileSpec *tile_ovr = AirportTileSpec::Get(ats->grf_prop.override);
if (tile_ovr->grf_prop.grffile->grfid == cur_grfid) {
return tile_ovr->grf_prop.local_id; // same grf file
} else {
return 0xFFFE; // not the same grf file
}
}
/* Not an 'old type' tile */
if (ats->grf_prop.spritegroup[0] != NULL) { // tile has a spritegroup ?
if (ats->grf_prop.grffile->grfid == cur_grfid) { // same airport, same grf ?
return ats->grf_prop.local_id;
} else {
return 0xFFFE; // Defined in another grf file
}
}
/* The tile has no spritegroup */
return 0xFF << 8 | ats->grf_prop.subst_id; // so just give him the substitute
}
/* virtual */ uint32 AirportTileScopeResolver::GetVariable(byte variable, uint32 parameter, bool *available) const
{
assert(this->st != NULL);
extern uint32 GetRelativePosition(TileIndex tile, TileIndex ind_tile);
switch (variable) {
/* Terrain type */
case 0x41: return GetTerrainType(this->tile);
/* Current town zone of the tile in the nearest town */
case 0x42: return GetTownRadiusGroup(ClosestTownFromTile(this->tile, UINT_MAX), this->tile);
/* Position relative to most northern airport tile. */
case 0x43: return GetRelativePosition(this->tile, this->st->airport.tile);
/* Animation frame of tile */
case 0x44: return GetAnimationFrame(this->tile);
/* Land info of nearby tiles */
case 0x60: return GetNearbyAirportTileInformation(parameter, this->tile, this->st->index, this->ro.grffile->grf_version >= 8);
/* Animation stage of nearby tiles */
case 0x61: {
TileIndex tile = GetNearbyTile(parameter, this->tile);
if (this->st->TileBelongsToAirport(tile)) {
return GetAnimationFrame(tile);
}
return UINT_MAX;
}
/* Get airport tile ID at offset */
case 0x62: return GetAirportTileIDAtOffset(GetNearbyTile(parameter, this->tile), this->st, this->ro.grffile->grfid);
}
DEBUG(grf, 1, "Unhandled airport tile variable 0x%X", variable);
*available = false;
return UINT_MAX;
}
/* virtual */ uint32 AirportTileScopeResolver::GetRandomBits() const
{
return (this->st == NULL ? 0 : this->st->random_bits) | (this->tile == INVALID_TILE ? 0 : GetStationTileRandomBits(this->tile) << 16);
}
/**
* Constructor of the resolver for airport tiles.
* @param ats Specification of the airport tiles.
* @param tile %Tile for the callback, only valid for airporttile callbacks.
* @param st Station of the airport for which the callback is run, or \c NULL for build gui.
* @param callback Callback ID.
* @param callback_param1 First parameter (var 10) of the callback.
* @param callback_param2 Second parameter (var 18) of the callback.
*/
AirportTileResolverObject::AirportTileResolverObject(const AirportTileSpec *ats, TileIndex tile, Station *st,
CallbackID callback, uint32 callback_param1, uint32 callback_param2)
: ResolverObject(ats->grf_prop.grffile, callback, callback_param1, callback_param2), tiles_scope(*this, ats, tile, st)
{
this->root_spritegroup = ats->grf_prop.spritegroup[0];
}
/**
* Constructor of the scope resolver specific for airport tiles.
* @param ats Specification of the airport tiles.
* @param tile %Tile for the callback, only valid for airporttile callbacks.
* @param st Station of the airport for which the callback is run, or \c NULL for build gui.
*/
AirportTileScopeResolver::AirportTileScopeResolver(ResolverObject &ro, const AirportTileSpec *ats, TileIndex tile, Station *st) : ScopeResolver(ro)
{
assert(st != NULL);
this->st = st;
this->airport_id = st->airport.type;
this->tile = tile;
}
uint16 GetAirportTileCallback(CallbackID callback, uint32 param1, uint32 param2, const AirportTileSpec *ats, Station *st, TileIndex tile, int extra_data = 0)
{
AirportTileResolverObject object(ats, tile, st, callback, param1, param2);
return object.ResolveCallback();
}
static void AirportDrawTileLayout(const TileInfo *ti, const TileLayoutSpriteGroup *group, byte colour, StationGfx gfx)
{
const DrawTileSprites *dts = group->ProcessRegisters(NULL);
SpriteID image = dts->ground.sprite;
SpriteID pal = dts->ground.pal;
if (GB(image, 0, SPRITE_WIDTH) != 0) {
if (image == SPR_FLAT_WATER_TILE && IsTileOnWater(ti->tile)) {
DrawWaterClassGround(ti);
} else {
DrawGroundSprite(image, GroundSpritePaletteTransform(image, pal, GENERAL_SPRITE_COLOUR(colour)));
}
}
DrawNewGRFTileSeq(ti, dts, TO_BUILDINGS, 0, GENERAL_SPRITE_COLOUR(colour));
}
bool DrawNewAirportTile(TileInfo *ti, Station *st, StationGfx gfx, const AirportTileSpec *airts)
{
if (ti->tileh != SLOPE_FLAT) {
bool draw_old_one = true;
if (HasBit(airts->callback_mask, CBM_AIRT_DRAW_FOUNDATIONS)) {
/* Called to determine the type (if any) of foundation to draw */
uint32 callback_res = GetAirportTileCallback(CBID_AIRPTILE_DRAW_FOUNDATIONS, 0, 0, airts, st, ti->tile);
if (callback_res != CALLBACK_FAILED) draw_old_one = ConvertBooleanCallback(airts->grf_prop.grffile, CBID_AIRPTILE_DRAW_FOUNDATIONS, callback_res);
}
if (draw_old_one) DrawFoundation(ti, FOUNDATION_LEVELED);
}
AirportTileResolverObject object(airts, ti->tile, st);
const SpriteGroup *group = object.Resolve();
if (group == NULL || group->type != SGT_TILELAYOUT) {
return false;
}
const TileLayoutSpriteGroup *tlgroup = (const TileLayoutSpriteGroup *)group;
AirportDrawTileLayout(ti, tlgroup, Company::Get(st->owner)->colour, gfx);
return true;
}
/** Helper class for animation control. */
struct AirportTileAnimationBase : public AnimationBase<AirportTileAnimationBase, AirportTileSpec, Station, int, GetAirportTileCallback> {
static const CallbackID cb_animation_speed = CBID_AIRPTILE_ANIMATION_SPEED;
static const CallbackID cb_animation_next_frame = CBID_AIRPTILE_ANIM_NEXT_FRAME;
static const AirportTileCallbackMask cbm_animation_speed = CBM_AIRT_ANIM_SPEED;
static const AirportTileCallbackMask cbm_animation_next_frame = CBM_AIRT_ANIM_NEXT_FRAME;
};
void AnimateAirportTile(TileIndex tile)
{
const AirportTileSpec *ats = AirportTileSpec::GetByTile(tile);
if (ats == NULL) return;
AirportTileAnimationBase::AnimateTile(ats, Station::GetByTile(tile), tile, HasBit(ats->animation_special_flags, 0));
}
void AirportTileAnimationTrigger(Station *st, TileIndex tile, AirpAnimationTrigger trigger, CargoID cargo_type)
{
const AirportTileSpec *ats = AirportTileSpec::GetByTile(tile);
if (!HasBit(ats->animation.triggers, trigger)) return;
AirportTileAnimationBase::ChangeAnimationFrame(CBID_AIRPTILE_ANIM_START_STOP, ats, st, tile, Random(), (uint8)trigger | (cargo_type << 8));
}
void AirportAnimationTrigger(Station *st, AirpAnimationTrigger trigger, CargoID cargo_type)
{
if (st->airport.tile == INVALID_TILE) return;
TILE_AREA_LOOP(tile, st->airport) {
if (st->TileBelongsToAirport(tile)) AirportTileAnimationTrigger(st, tile, trigger, cargo_type);
}
}
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