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/*
* 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 script_tilelist.cpp Implementation of ScriptTileList and friends. */
#include "../../stdafx.h"
#include "script_tilelist.hpp"
#include "script_industry.hpp"
#include "../../industry.h"
#include "../../station_base.h"
#include "../../safeguards.h"
void ScriptTileList::AddRectangle(TileIndex t1, TileIndex t2)
{
if (!::IsValidTile(t1)) return;
if (!::IsValidTile(t2)) return;
TileArea ta(t1, t2);
TILE_AREA_LOOP(t, ta) this->AddItem(t);
}
void ScriptTileList::AddTile(TileIndex tile)
{
if (!::IsValidTile(tile)) return;
this->AddItem(tile);
}
void ScriptTileList::RemoveRectangle(TileIndex t1, TileIndex t2)
{
if (!::IsValidTile(t1)) return;
if (!::IsValidTile(t2)) return;
TileArea ta(t1, t2);
TILE_AREA_LOOP(t, ta) this->RemoveItem(t);
}
void ScriptTileList::RemoveTile(TileIndex tile)
{
if (!::IsValidTile(tile)) return;
this->RemoveItem(tile);
}
/**
* Helper to get list of tiles that will cover an industry's production or acceptance.
* @param i Industry in question
* @param radius Catchment radius to test
* @param bta BitmapTileArea to fill
*/
static void FillIndustryCatchment(const Industry *i, int radius, BitmapTileArea &bta)
{
TILE_AREA_LOOP(cur_tile, i->location) {
if (!::IsTileType(cur_tile, MP_INDUSTRY) || ::GetIndustryIndex(cur_tile) != i->index) continue;
int tx = TileX(cur_tile);
int ty = TileY(cur_tile);
for (int y = -radius; y <= radius; y++) {
if (ty + y < 0 || ty + y > (int)MapMaxY()) continue;
for (int x = -radius; x <= radius; x++) {
if (tx + x < 0 || tx + x > (int)MapMaxX()) continue;
TileIndex tile = TileXY(tx + x, ty + y);
if (!IsValidTile(tile)) continue;
if (::IsTileType(tile, MP_INDUSTRY) && ::GetIndustryIndex(tile) == i->index) continue;
bta.SetTile(tile);
}
}
}
}
ScriptTileList_IndustryAccepting::ScriptTileList_IndustryAccepting(IndustryID industry_id, int radius)
{
if (!ScriptIndustry::IsValidIndustry(industry_id) || radius <= 0) return;
const Industry *i = ::Industry::Get(industry_id);
/* Check if this industry is only served by its neutral station */
if (i->neutral_station != nullptr && !_settings_game.station.serve_neutral_industries) return;
/* Check if this industry accepts anything */
{
bool cargo_accepts = false;
for (byte j = 0; j < lengthof(i->accepts_cargo); j++) {
if (i->accepts_cargo[j] != CT_INVALID) cargo_accepts = true;
}
if (!cargo_accepts) return;
}
if (!_settings_game.station.modified_catchment) radius = CA_UNMODIFIED;
BitmapTileArea bta(TileArea(i->location).Expand(radius));
FillIndustryCatchment(i, radius, bta);
BitmapTileIterator it(bta);
for (TileIndex cur_tile = it; cur_tile != INVALID_TILE; cur_tile = ++it) {
/* Only add the tile if it accepts the cargo (sometimes just 1 tile of an
* industry triggers the acceptance). */
CargoArray acceptance = ::GetAcceptanceAroundTiles(cur_tile, 1, 1, radius);
{
bool cargo_accepts = false;
for (byte j = 0; j < lengthof(i->accepts_cargo); j++) {
if (i->accepts_cargo[j] != CT_INVALID && acceptance[i->accepts_cargo[j]] != 0) cargo_accepts = true;
}
if (!cargo_accepts) continue;
}
this->AddTile(cur_tile);
}
}
ScriptTileList_IndustryProducing::ScriptTileList_IndustryProducing(IndustryID industry_id, int radius)
{
if (!ScriptIndustry::IsValidIndustry(industry_id) || radius <= 0) return;
const Industry *i = ::Industry::Get(industry_id);
/* Check if this industry is only served by its neutral station */
if (i->neutral_station != nullptr && !_settings_game.station.serve_neutral_industries) return;
/* Check if this industry produces anything */
bool cargo_produces = false;
for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
if (i->produced_cargo[j] != CT_INVALID) cargo_produces = true;
}
if (!cargo_produces) return;
if (!_settings_game.station.modified_catchment) radius = CA_UNMODIFIED;
BitmapTileArea bta(TileArea(i->location).Expand(radius));
FillIndustryCatchment(i, radius, bta);
BitmapTileIterator it(bta);
for (TileIndex cur_tile = it; cur_tile != INVALID_TILE; cur_tile = ++it) {
this->AddTile(cur_tile);
}
}
ScriptTileList_StationType::ScriptTileList_StationType(StationID station_id, ScriptStation::StationType station_type)
{
if (!ScriptStation::IsValidStation(station_id)) return;
const StationRect *rect = &::Station::Get(station_id)->rect;
uint station_type_value = 0;
/* Convert ScriptStation::StationType to ::StationType, but do it in a
* bitmask, so we can scan for multiple entries at the same time. */
if ((station_type & ScriptStation::STATION_TRAIN) != 0) station_type_value |= (1 << ::STATION_RAIL);
if ((station_type & ScriptStation::STATION_TRUCK_STOP) != 0) station_type_value |= (1 << ::STATION_TRUCK);
if ((station_type & ScriptStation::STATION_BUS_STOP) != 0) station_type_value |= (1 << ::STATION_BUS);
if ((station_type & ScriptStation::STATION_AIRPORT) != 0) station_type_value |= (1 << ::STATION_AIRPORT) | (1 << ::STATION_OILRIG);
if ((station_type & ScriptStation::STATION_DOCK) != 0) station_type_value |= (1 << ::STATION_DOCK) | (1 << ::STATION_OILRIG);
TileArea ta(::TileXY(rect->left, rect->top), rect->right - rect->left + 1, rect->bottom - rect->top + 1);
TILE_AREA_LOOP(cur_tile, ta) {
if (!::IsTileType(cur_tile, MP_STATION)) continue;
if (::GetStationIndex(cur_tile) != station_id) continue;
if (!HasBit(station_type_value, ::GetStationType(cur_tile))) continue;
this->AddTile(cur_tile);
}
}
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