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(svn r11442) -Feature: make news messages related to the industry (production) changes better configurable; you can now disable news messages popping up for industries you are not servicing. Patch by Alberth.

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This commit is contained in:
rubidium
2007-11-15 22:20:33 +00:00
parent 70c7a44a4d
commit 4dcd71038d
6 changed files with 368 additions and 157 deletions
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160
src/industry_cmd.cpp
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@@ -13,6 +13,7 @@
#include "table/sprites.h"
#include "map.h"
#include "tile.h"
#include "train.h"
#include "landscape.h"
#include "viewport.h"
#include "command.h"
@@ -1856,6 +1857,134 @@ static bool CheckIndustryCloseDownProtection(IndustryType type)
return (indspec->behaviour & INDUSTRYBEH_CANCLOSE_LASTINSTANCE) == 0 && GetIndustryTypeCount(type) <= 1;
}
/**
* Can given cargo type be accepted or produced by the industry?
* @param cargo: Cargo type
* @param ind: Industry
* @param *c_accepts: Pointer to boolean for acceptance of cargo
* @param *c_produces: Pointer to boolean for production of cargo
* @return: \c *c_accepts is set when industry accepts the cargo type,
* \c *c_produces is set when the industry produces the cargo type
*/
static void CanCargoServiceIndustry(CargoID cargo, Industry *ind, bool *c_accepts, bool *c_produces)
{
const IndustrySpec *indspec = GetIndustrySpec(ind->type);
/* Check for acceptance of cargo */
for (uint j = 0; j < lengthof(ind->accepts_cargo) && ind->accepts_cargo[j] != CT_INVALID; j++) {
if (cargo == ind->accepts_cargo[j]) {
if (HASBIT(indspec->callback_flags, CBM_IND_REFUSE_CARGO)) {
uint16 res = GetIndustryCallback(CBID_INDUSTRY_REFUSE_CARGO,
0, GetReverseCargoTranslation(cargo, indspec->grf_prop.grffile),
ind, ind->type, ind->xy);
if (res == 0) continue;
}
*c_accepts = true;
break;
}
}
/* Check for produced cargo */
for (uint j = 0; j < lengthof(ind->produced_cargo) && ind->produced_cargo[j] != CT_INVALID; j++) {
if (cargo == ind->produced_cargo[j]) {
*c_produces = true;
break;
}
}
}
/**
* Compute who can service the industry.
*
* Here, 'can service' means that he/she has trains and stations close enough
* to the industry with the right cargo type and the right orders (ie has the
* technical means).
*
* @param ind: Industry being investigated.
*
* @return: 0 if nobody can service the industry, 2 if the local player can
* service the industry, and 1 otherwise (only competitors can service the
* industry)
*/
int WhoCanServiceIndustry(Industry* ind)
{
/* Find all stations within reach of the industry */
StationSet stations = FindStationsAroundIndustryTile(ind->xy, ind->width, ind->height);
if (stations.size() == 0) return 0; // No stations found at all => nobody services
const Vehicle *v;
int result = 0;
FOR_ALL_VEHICLES(v) {
/* Is it worthwhile to try this vehicle? */
if (v->owner != _local_player && result != 0) continue;
/* Check whether it accepts the right kind of cargo */
bool c_accepts = false;
bool c_produces = false;
if (v->type == VEH_TRAIN && IsFrontEngine(v)) {
const Vehicle *u = v;
BEGIN_ENUM_WAGONS(u)
CanCargoServiceIndustry(u->cargo_type, ind, &c_accepts, &c_produces);
END_ENUM_WAGONS(u)
} else if (v->type == VEH_ROAD || v->type == VEH_SHIP || v->type == VEH_AIRCRAFT) {
CanCargoServiceIndustry(v->cargo_type, ind, &c_accepts, &c_produces);
} else {
continue;
}
if (!c_accepts && !c_produces) continue; // Wrong cargo
/* Check orders of the vehicle.
* We cannot check the first of shared orders only, since the first vehicle in such a chain
* may have a different cargo type.
*/
const Order *o;
FOR_VEHICLE_ORDERS(v, o) {
if (o->type == OT_GOTO_STATION && !HASBIT(o->flags, OFB_TRANSFER)) {
/* Vehicle visits a station to load or unload */
Station *st = GetStation(o->dest);
if (!st->IsValid()) continue;
/* Same cargo produced by industry is dropped here => not serviced by vehicle v */
if (HASBIT(o->flags, OFB_UNLOAD) && !c_accepts) break;
if (stations.find(st) != stations.end()) {
if (v->owner == _local_player) return 2; // Player services industry
result = 1; // Competitor services industry
}
}
}
}
return result;
}
/**
* Report news that industry production has changed significantly
*
* @param ind: Industry with changed production
* @param type: Cargo type that has changed
* @param percent: Percentage of change (>0 means increase, <0 means decrease)
*/
static void ReportNewsProductionChangeIndustry(Industry *ind, CargoID type, int percent)
{
NewsType nt;
switch (WhoCanServiceIndustry(ind)) {
case 0: nt = NT_INDUSTRY_NOBODY; break;
case 1: nt = NT_INDUSTRY_OTHER; break;
case 2: nt = NT_INDUSTRY_PLAYER; break;
default: NOT_REACHED(); break;
}
SetDParam(2, abs(percent));
SetDParam(0, GetCargo(type)->name);
SetDParam(1, ind->index);
AddNewsItem(
percent >= 0 ? STR_INDUSTRY_PROD_GOUP : STR_INDUSTRY_PROD_GODOWN,
NEWS_FLAGS(NM_THIN, NF_VIEWPORT | NF_TILE, nt, 0),
ind->xy + TileDiffXY(1, 1), 0
);
}
/** Change industry production or do closure
* @param i Industry for which changes are performed
* @param monthly true if it's the monthly call, false if it's the random call
@@ -1909,7 +2038,6 @@ static void ChangeIndustryProduction(Industry *i, bool monthly)
for (byte j = 0; j < 2 && i->produced_cargo[j] != CT_INVALID; j++){
uint32 r = Random();
int old_prod, new_prod, percent;
int mag;
new_prod = old_prod = i->production_rate[j];
@@ -1932,16 +2060,8 @@ static void ChangeIndustryProduction(Industry *i, bool monthly)
/* Close the industry when it has the lowest possible production rate */
if (new_prod > 1) closeit = false;
mag = abs(percent);
if (mag >= 10) {
SetDParam(2, mag);
SetDParam(0, GetCargo(i->produced_cargo[j])->name);
SetDParam(1, i->index);
AddNewsItem(
percent >= 0 ? STR_INDUSTRY_PROD_GOUP : STR_INDUSTRY_PROD_GODOWN,
NEWS_FLAGS(NM_THIN, NF_VIEWPORT | NF_TILE, NT_ECONOMY, 0),
i->xy + TileDiffXY(1, 1), 0
);
if (abs(percent) >= 10) {
ReportNewsProductionChangeIndustry(i, i->produced_cargo[j], percent);
}
}
} else {
@@ -1989,6 +2109,19 @@ static void ChangeIndustryProduction(Industry *i, bool monthly)
}
if (!suppress_message && str != STR_NULL) {
NewsType nt;
/* Compute news category */
if (closeit) {
nt = NT_OPENCLOSE;
} else {
switch (WhoCanServiceIndustry(i)) {
case 0: nt = NT_INDUSTRY_NOBODY; break;
case 1: nt = NT_INDUSTRY_OTHER; break;
case 2: nt = NT_INDUSTRY_PLAYER; break;
default: NOT_REACHED(); break;
}
}
/* Set parameters of news string */
if (str > STR_LAST_STRINGID) {
SetDParam(0, STR_TOWN);
SetDParam(1, i->town->index);
@@ -2000,8 +2133,9 @@ static void ChangeIndustryProduction(Industry *i, bool monthly)
} else {
SetDParam(0, i->index);
}
/* and report the news to the user */
AddNewsItem(str,
NEWS_FLAGS(NM_THIN, NF_VIEWPORT | NF_TILE, closeit ? NT_OPENCLOSE : NT_ECONOMY, 0),
NEWS_FLAGS(NM_THIN, NF_VIEWPORT | NF_TILE, nt, 0),
i->xy + TileDiffXY(1, 1), 0);
}
}
@@ -2084,7 +2218,7 @@ static CommandCost TerraformTile_Industry(TileIndex tile, uint32 flags, uint z_n
uint16 res = GetIndustryTileCallback(CBID_INDUSTRY_AUTOSLOPE, 0, 0, gfx, GetIndustryByTile(tile), tile);
if ((res == 0) || (res == CALLBACK_FAILED)) return _price.terraform;
} else {
// allow autoslope
/* allow autoslope */
return _price.terraform;
}
}