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/* $Id$ */
/** @file ai_tilelist.cpp Implementation of AITileList and friends. */
#include "ai_tilelist.hpp"
#include "ai_industry.hpp"
#include "../../tile_map.h"
#include "../../industry_map.h"
#include "../../station_base.h"
#include "../../settings_type.h"
void AITileList::FixRectangleSpan(TileIndex &t1, TileIndex &t2)
{
uint x1 = ::TileX(t1);
uint x2 = ::TileX(t2);
uint y1 = ::TileY(t1);
uint y2 = ::TileY(t2);
if (x1 >= x2) ::Swap(x1, x2);
if (y1 >= y2) ::Swap(y1, y2);
t1 = ::TileXY(x1, y1);
t2 = ::TileXY(x2, y2);
}
void AITileList::AddRectangle(TileIndex t1, TileIndex t2)
{
if (!::IsValidTile(t1)) return;
if (!::IsValidTile(t2)) return;
this->FixRectangleSpan(t1, t2);
uint w = TileX(t2) - TileX(t1) + 1;
uint h = TileY(t2) - TileY(t1) + 1;
TILE_LOOP(t, w, h, t1) this->AddItem(t);
}
void AITileList::AddTile(TileIndex tile)
{
if (!::IsValidTile(tile)) return;
this->AddItem(tile);
}
void AITileList::RemoveRectangle(TileIndex t1, TileIndex t2)
{
if (!::IsValidTile(t1)) return;
if (!::IsValidTile(t2)) return;
this->FixRectangleSpan(t1, t2);
uint w = TileX(t2) - TileX(t1) + 1;
uint h = TileY(t2) - TileY(t1) + 1;
TILE_LOOP(t, w, h, t1) this->RemoveItem(t);
}
void AITileList::RemoveTile(TileIndex tile)
{
if (!::IsValidTile(tile)) return;
this->RemoveItem(tile);
}
AITileList_IndustryAccepting::AITileList_IndustryAccepting(IndustryID industry_id, int radius)
{
if (!AIIndustry::IsValidIndustry(industry_id) || radius <= 0) return;
const Industry *i = ::Industry::Get(industry_id);
/* 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;
TILE_LOOP(cur_tile, i->width + radius * 2, i->height + radius * 2, i->xy - ::TileDiffXY(radius, radius)) {
if (!::IsValidTile(cur_tile)) continue;
/* Exclude all tiles that belong to this industry */
if (::IsTileType(cur_tile, MP_INDUSTRY) && ::GetIndustryIndex(cur_tile) == industry_id) continue;
/* 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);
}
}
AITileList_IndustryProducing::AITileList_IndustryProducing(IndustryID industry_id, int radius)
{
if (!AIIndustry::IsValidIndustry(industry_id) || radius <= 0) return;
const Industry *i = ::Industry::Get(industry_id);
/* 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;
TILE_LOOP(cur_tile, i->width + radius * 2, i->height + radius * 2, i->xy - ::TileDiffXY(radius, radius)) {
if (!::IsValidTile(cur_tile)) continue;
/* Exclude all tiles that belong to this industry */
if (::IsTileType(cur_tile, MP_INDUSTRY) && ::GetIndustryIndex(cur_tile) == industry_id) continue;
/* Only add the tile if it produces the cargo (a bug in OpenTTD makes this
* inconsitance). */
CargoArray produced = ::GetProductionAroundTiles(cur_tile, 1, 1, radius);
{
bool cargo_produces = false;
for (byte j = 0; j < lengthof(i->produced_cargo); j++) {
if (i->produced_cargo[j] != CT_INVALID && produced[i->produced_cargo[j]] != 0) cargo_produces = true;
}
if (!cargo_produces) continue;
}
this->AddTile(cur_tile);
}
}
AITileList_StationType::AITileList_StationType(StationID station_id, AIStation::StationType station_type)
{
if (!AIStation::IsValidStation(station_id)) return;
const StationRect *rect = &::Station::Get(station_id)->rect;
uint station_type_value = 0;
/* Convert AIStation::StationType to ::StationType, but do it in a
* bitmask, so we can scan for multiple entries at the same time. */
if ((station_type & AIStation::STATION_TRAIN) != 0) station_type_value |= (1 << ::STATION_RAIL);
if ((station_type & AIStation::STATION_TRUCK_STOP) != 0) station_type_value |= (1 << ::STATION_TRUCK);
if ((station_type & AIStation::STATION_BUS_STOP) != 0) station_type_value |= (1 << ::STATION_BUS);
if ((station_type & AIStation::STATION_AIRPORT) != 0) station_type_value |= (1 << ::STATION_AIRPORT) | (1 << ::STATION_OILRIG);
if ((station_type & AIStation::STATION_DOCK) != 0) station_type_value |= (1 << ::STATION_DOCK) | (1 << ::STATION_OILRIG);
TILE_LOOP(cur_tile, rect->right - rect->left + 1, rect->bottom - rect->top + 1, ::TileXY(rect->left, rect->top)) {
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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