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Location: cpp/openttd-patchpack/source/src/newgrf_industries.cpp - annotation
r10094:5a01a6026592
20.9 KiB
text/x-c
(svn r14275) -Change: Rename 'Configure patches' to 'Advanced settings'.
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/** @file newgrf_industries.cpp Handling of NewGRF industries. */
#include "stdafx.h"
#include "openttd.h"
#include "debug.h"
#include "variables.h"
#include "landscape.h"
#include "industry.h"
#include "industry_map.h"
#include "newgrf.h"
#include "newgrf_callbacks.h"
#include "newgrf_spritegroup.h"
#include "newgrf_industries.h"
#include "newgrf_industrytiles.h"
#include "newgrf_commons.h"
#include "newgrf_text.h"
#include "newgrf_town.h"
#include "window_func.h"
#include "town.h"
#include "player_func.h"
#include "player_base.h"
#include "command_func.h"
#include "table/strings.h"
static uint32 _industry_creation_random_bits;
/* Since the industry IDs defined by the GRF file don't necessarily correlate
* to those used by the game, the IDs used for overriding old industries must be
* translated when the idustry spec is set. */
IndustryOverrideManager _industry_mngr(NEW_INDUSTRYOFFSET, NUM_INDUSTRYTYPES, INVALID_INDUSTRYTYPE);
IndustryTileOverrideManager _industile_mngr(NEW_INDUSTRYTILEOFFSET, NUM_INDUSTRYTILES, INVALID_INDUSTRYTILE);
IndustryType MapNewGRFIndustryType(IndustryType grf_type, uint32 grf_id)
{
if (grf_type == IT_INVALID) return IT_INVALID;
if (!HasBit(grf_type, 7)) return GB(grf_type, 0, 6);
return _industry_mngr.GetID(GB(grf_type, 0, 6), grf_id);
}
/**
* Finds the distance for the closest tile with water/land given a tile
* @param tile the tile to find the distance too
* @param water whether to find water or land
* @note FAILS when an industry should be seen as water
*/
static uint GetClosestWaterDistance(TileIndex tile, bool water)
{
TileIndex t;
int best_dist;
for (t = 0; t < MapSize(); t++) {
if (IsTileType(t, MP_WATER) == water) break;
}
if (t == MapSize() && !water) return 0x200;
best_dist = DistanceManhattan(tile, t);
for (; t < MapSize(); t++) {
int dist = DistanceManhattan(tile, t);
if (dist < best_dist) {
if (IsTileType(t, MP_WATER) == water) best_dist = dist;
} else {
/* When the Y distance between the current row and the 'source' tile
* is larger than the best distance, we've found the best distance */
if ((int)TileY(t) - (int)TileY(tile) > best_dist) break;
if ((int)TileX(t) - (int)TileX(tile) > best_dist) {
/* We can safely skip this many tiles; from here all tiles have a
* higher or equal distance than the best distance */
t |= MapMaxX();
continue;
} else if (TileX(tile) < TileX(t)) {
/* We can safely skip this many tiles; up to here all tiles have a
* higher or equal distance than the best distance */
t += max(best_dist - dist, 0);
continue;
}
}
}
return min(best_dist, water ? 0x7F : 0x1FF);
}
/** Make an analysis of a tile and check for its belonging to the same
* industry, and/or the same grf file
* @param tile TileIndex of the tile to query
* @param i Industry to which to compare the tile to
* @return value encoded as per NFO specs */
uint32 GetIndustryIDAtOffset(TileIndex tile, const Industry *i)
{
if (!IsTileType(tile, MP_INDUSTRY) || GetIndustryIndex(tile) != i->index) {
/* No industry and/or the tile does not have the same industry as the one we match it with */
return 0xFFFF;
}
IndustryGfx gfx = GetCleanIndustryGfx(tile);
const IndustryTileSpec *indtsp = GetIndustryTileSpec(gfx);
const IndustrySpec *indold = GetIndustrySpec(i->type);
if (gfx < NEW_INDUSTRYOFFSET) { // Does it belongs to an old type?
/* It is an old tile. We have to see if it's been overriden */
if (indtsp->grf_prop.override == INVALID_INDUSTRYTILE) { // has it been overridden?
return 0xFF << 8 | gfx; // no. Tag FF + the gfx id of that tile
}
/* Not overriden */
const IndustryTileSpec *tile_ovr = GetIndustryTileSpec(indtsp->grf_prop.override);
if (tile_ovr->grf_prop.grffile->grfid == indold->grf_prop.grffile->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 (indtsp->grf_prop.spritegroup != NULL) { // tile has a spritegroup ?
if (indtsp->grf_prop.grffile->grfid == indold->grf_prop.grffile->grfid) { // same industry, same grf ?
return indtsp->grf_prop.local_id;
} else {
return 0xFFFE; // Defined in another grf file
}
}
/* The tile has no spritegroup */
return 0xFF << 8 | indtsp->grf_prop.subst_id; // so just give him the substitute
}
static uint32 GetClosestIndustry(TileIndex tile, IndustryType type, const Industry *current)
{
uint32 best_dist = UINT32_MAX;
const Industry *i;
FOR_ALL_INDUSTRIES(i) {
if (i->type != type || i == current) continue;
best_dist = min(best_dist, DistanceManhattan(tile, i->xy));
}
return best_dist;
}
/** Implementation of both var 67 and 68
* since the mechanism is almost the same, it is easier to regroup them on the same
* function.
* @param param_setID parameter given to the callback, which is the set id, or the local id, in our terminology
* @param layout_filter on what layout do we filter?
* @param current Industry for which the inquiry is made
* @return the formatted answer to the callback : rr(reserved) cc(count) dddd(manhattan distance of closest sister)
*/
static uint32 GetCountAndDistanceOfClosestInstance(byte param_setID, byte layout_filter, const Industry *current)
{
uint32 GrfID = GetRegister(0x100); ///< Get the GRFID of the definition to look for in register 100h
IndustryType ind_index;
uint32 closest_dist = UINT32_MAX;
byte count = 0;
/* Determine what will be the industry type to look for */
switch (GrfID) {
case 0: // this is a default industry type
ind_index = param_setID;
break;
case 0xFFFFFFFF: // current grf
GrfID = GetIndustrySpec(current->type)->grf_prop.grffile->grfid;
/* Fall through */
default: //use the grfid specified in register 100h
SetBit(param_setID, 7); // bit 7 means it is not an old type
ind_index = MapNewGRFIndustryType(param_setID, GrfID);
break;
}
if (layout_filter == 0) {
/* If the filter is 0, it could be because none was specified as well as being really a 0.
* In either case, just do the regular var67 */
closest_dist = GetClosestIndustry(current->xy, ind_index, current);
count = GetIndustryTypeCount(ind_index);
} else {
/* Count only those who match the same industry type and layout filter
* Unfortunately, we have to do it manually */
const Industry *i;
FOR_ALL_INDUSTRIES(i) {
if (i->type == ind_index && i != current && i->selected_layout == layout_filter) {
closest_dist = min(closest_dist, DistanceManhattan(current->xy, i->xy));
count++;
}
}
}
return count << 16 | GB(closest_dist, 0, 16);
}
/** This function implements the industries variables that newGRF defines.
* @param variable that is queried
* @param parameter unused
* @param available will return false if ever the variable asked for does not exist
* @param ind is of course the industry we are inquiring
* @return the value stored in the corresponding variable*/
uint32 IndustryGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available)
{
const Industry *industry = object->u.industry.ind;
TileIndex tile = object->u.industry.tile;
IndustryType type = object->u.industry.type;
const IndustrySpec *indspec = GetIndustrySpec(type);
/* Shall the variable get resolved in parent scope and are we not yet in parent scope? */
if (object->u.industry.gfx == INVALID_INDUSTRYTILE && object->scope == VSG_SCOPE_PARENT) {
/* Pass the request on to the town of the industry */
const Town *t;
if (industry != NULL) {
t = industry->town;
} else if (tile != INVALID_TILE) {
t = ClosestTownFromTile(tile, UINT_MAX);
} else {
*available = false;
return UINT_MAX;
}
return TownGetVariable(variable, parameter, available, t);
}
if (industry == NULL) {
/* industry does not exist, only use those variables that are "safe" */
switch (variable) {
/* Manhattan distance of closes dry/water tile */
case 0x43: return GetClosestWaterDistance(tile, (indspec->behaviour & INDUSTRYBEH_BUILT_ONWATER) == 0);
}
DEBUG(grf, 1, "Unhandled property 0x%X (no available industry) in callback 0x%x", variable, object->callback);
*available = false;
return UINT_MAX;
}
switch (variable) {
case 0x40:
case 0x41:
case 0x42: { // waiting cargo, but only if those two callback flags are set
uint16 callback = indspec->callback_flags;
if (HasBit(callback, CBM_IND_PRODUCTION_CARGO_ARRIVAL) || HasBit(callback, CBM_IND_PRODUCTION_256_TICKS)) {
if ((indspec->behaviour & INDUSTRYBEH_PROD_MULTI_HNDLING) != 0) {
return min(industry->incoming_cargo_waiting[variable - 0x40] / industry->prod_level, (uint16)0xFFFF);
} else {
return min(industry->incoming_cargo_waiting[variable - 0x40], (uint16)0xFFFF);
}
} else {
return 0;
}
}
/* Manhattan distance of closes dry/water tile */
case 0x43: return GetClosestWaterDistance(tile, (indspec->behaviour & INDUSTRYBEH_BUILT_ONWATER) == 0);
/* Layout number */
case 0x44: return industry->selected_layout;
/* player info */
case 0x45: {
byte colours;
bool is_ai = false;
if (IsValidPlayerID(industry->founder)) {
const Player *p = GetPlayer(industry->founder);
const Livery *l = &p->livery[LS_DEFAULT];
is_ai = p->is_ai;
colours = l->colour1 + l->colour2 * 16;
} else {
colours = GB(Random(), 0, 8);
}
return industry->founder | (is_ai ? 0x10000 : 0) | (colours << 24);
}
case 0x46: return industry->construction_date; // Date when built - long format - (in days)
/* Get industry ID at offset param */
case 0x60: return GetIndustryIDAtOffset(GetNearbyTile(parameter, industry->xy), industry);
/* Get random tile bits at offset param */
case 0x61:
tile = GetNearbyTile(parameter, tile);
return (IsTileType(tile, MP_INDUSTRY) && GetIndustryByTile(tile) == industry) ? GetIndustryRandomBits(tile) : 0;
/* Land info of nearby tiles */
case 0x62: return GetNearbyIndustryTileInformation(parameter, tile, INVALID_INDUSTRY);
/* Animation stage of nearby tiles */
case 0x63:
tile = GetNearbyTile(parameter, tile);
if (IsTileType(tile, MP_INDUSTRY) && GetIndustryByTile(tile) == industry) {
return GetIndustryAnimationState(tile);
}
return 0xFFFFFFFF;
/* Distance of nearest industry of given type */
case 0x64: return GetClosestIndustry(tile, MapNewGRFIndustryType(parameter, indspec->grf_prop.grffile->grfid), industry);
/* Get town zone and Manhattan distance of closest town */
case 0x65: return GetTownRadiusGroup(industry->town, tile) << 16 | min(DistanceManhattan(tile, industry->town->xy), 0xFFFF);
/* Get square of Euclidian distance of closes town */
case 0x66: return GetTownRadiusGroup(industry->town, tile) << 16 | min(DistanceSquare(tile, industry->town->xy), 0xFFFF);
/* Count of industry, distance of closest instance
* 68 is the same as 67, but with a filtering on selected layout */
case 0x67:
case 0x68: return GetCountAndDistanceOfClosestInstance(parameter, variable == 0x68 ? GB(GetRegister(0x101), 0, 8) : 0, industry);
/* Get a variable from the persistent storage */
case 0x7C: return industry->psa.Get(parameter);
/* Industry structure access*/
case 0x80: return industry->xy;
case 0x81: return GB(industry->xy, 8, 8);
/* Pointer to the town the industry is associated with */
case 0x82: return industry->town->index;
case 0x83:
case 0x84:
case 0x85: DEBUG(grf, 0, "NewGRFs shouldn't be doing pointer magic"); break; // not supported
case 0x86: return industry->width;
case 0x87: return industry->height;// xy dimensions
/* */
case 0x88:
case 0x89: return industry->produced_cargo[variable - 0x88];
case 0x8A: return industry->produced_cargo_waiting[0];
case 0x8B: return GB(industry->produced_cargo_waiting[0], 8, 8);
case 0x8C: return industry->produced_cargo_waiting[1];
case 0x8D: return GB(industry->produced_cargo_waiting[1], 8, 8);
case 0x8E:
case 0x8F: return industry->production_rate[variable - 0x8E];
case 0x90:
case 0x91:
case 0x92: return industry->accepts_cargo[variable - 0x90];
case 0x93: return industry->prod_level;
/* amount of cargo produced so far THIS month. */
case 0x94: return industry->this_month_production[0];
case 0x95: return GB(industry->this_month_production[0], 8, 8);
case 0x96: return industry->this_month_production[1];
case 0x97: return GB(industry->this_month_production[1], 8, 8);
/* amount of cargo transported so far THIS month. */
case 0x98: return industry->this_month_transported[0];
case 0x99: return GB(industry->this_month_transported[0], 8, 8);
case 0x9A: return industry->this_month_transported[1];
case 0x9B: return GB(industry->this_month_transported[0], 8, 8);
/* fraction of cargo transported LAST month. */
case 0x9C:
case 0x9D: return industry->last_month_pct_transported[variable - 0x9C];
/* amount of cargo produced LAST month. */
case 0x9E: return industry->last_month_production[0];
case 0x9F: return GB(industry->last_month_production[0], 8, 8);
case 0xA0: return industry->last_month_production[1];
case 0xA1: return GB(industry->last_month_production[1], 8, 8);
/* amount of cargo transported last month. */
case 0xA2: return industry->last_month_transported[0];
case 0xA3: return GB(industry->last_month_transported[0], 8, 8);
case 0xA4: return industry->last_month_transported[1];
case 0xA5: return GB(industry->last_month_transported[0], 8, 8);
case 0xA6: return industry->type;
case 0xA7: return industry->founder;
case 0xA8: return industry->random_color;
case 0xA9: return Clamp(industry->last_prod_year - ORIGINAL_BASE_YEAR, 0, 255);
case 0xAA: return industry->counter;
case 0xAB: return GB(industry->counter, 8, 8);
case 0xAC: return industry->was_cargo_delivered;
case 0xB0: return Clamp(industry->construction_date - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 65535); // Date when built since 1920 (in days)
case 0xB3: return industry->construction_type; // Construction type
case 0xB4: return Clamp(industry->last_cargo_accepted_at - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 65535); // Date last cargo accepted since 1920 (in days)
}
DEBUG(grf, 1, "Unhandled industry property 0x%X", variable);
*available = false;
return (uint32)-1;
}
static const SpriteGroup *IndustryResolveReal(const ResolverObject *object, const SpriteGroup *group)
{
/* IndustryTile do not have 'real' groups */
return NULL;
}
static uint32 IndustryGetRandomBits(const ResolverObject *object)
{
return object->u.industry.ind == NULL ? 0 : object->u.industry.ind->random;
}
static uint32 IndustryGetTriggers(const ResolverObject *object)
{
return object->u.industry.ind == NULL ? 0 : object->u.industry.ind->random_triggers;
}
static void IndustrySetTriggers(const ResolverObject *object, int triggers)
{
if (object->u.industry.ind == NULL) return;
object->u.industry.ind->random_triggers = triggers;
}
static void NewIndustryResolver(ResolverObject *res, TileIndex tile, Industry *indus, IndustryType type)
{
res->GetRandomBits = IndustryGetRandomBits;
res->GetTriggers = IndustryGetTriggers;
res->SetTriggers = IndustrySetTriggers;
res->GetVariable = IndustryGetVariable;
res->ResolveReal = IndustryResolveReal;
res->psa = &indus->psa;
res->u.industry.tile = tile;
res->u.industry.ind = indus;
res->u.industry.gfx = INVALID_INDUSTRYTILE;
res->u.industry.type = type;
res->callback = CBID_NO_CALLBACK;
res->callback_param1 = 0;
res->callback_param2 = 0;
res->last_value = 0;
res->trigger = 0;
res->reseed = 0;
res->count = 0;
const IndustrySpec *indspec = GetIndustrySpec(type);
res->grffile = (indspec != NULL ? indspec->grf_prop.grffile : NULL);
}
uint16 GetIndustryCallback(CallbackID callback, uint32 param1, uint32 param2, Industry *industry, IndustryType type, TileIndex tile)
{
ResolverObject object;
const SpriteGroup *group;
NewIndustryResolver(&object, tile, industry, type);
object.callback = callback;
object.callback_param1 = param1;
object.callback_param2 = param2;
group = Resolve(GetIndustrySpec(type)->grf_prop.spritegroup, &object);
if (group == NULL || group->type != SGT_CALLBACK) return CALLBACK_FAILED;
return group->g.callback.result;
}
uint32 IndustryLocationGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available)
{
const Industry *industry = object->u.industry.ind;
TileIndex tile = object->u.industry.tile;
if (object->scope == VSG_SCOPE_PARENT) {
return TownGetVariable(variable, parameter, available, industry->town);
}
switch (variable) {
case 0x80: return tile;
case 0x81: return GB(tile, 8, 8);
/* Pointer to the town the industry is associated with */
case 0x82: return industry->town->index;
case 0x83:
case 0x84:
case 0x85: DEBUG(grf, 0, "NewGRFs shouldn't be doing pointer magic"); break; // not supported
/* Number of the layout */
case 0x86: return industry->selected_layout;
/* Ground type */
case 0x87: return GetTerrainType(tile);
/* Town zone */
case 0x88: return GetTownRadiusGroup(industry->town, tile);
/* Manhattan distance of the closest town */
case 0x89: return min(DistanceManhattan(industry->town->xy, tile), 255);
/* Lowest height of the tile */
case 0x8A: return GetTileZ(tile);
/* Distance to the nearest water/land tile */
case 0x8B: return GetClosestWaterDistance(tile, (GetIndustrySpec(industry->type)->behaviour & INDUSTRYBEH_BUILT_ONWATER) == 0);
/* Square of Euclidian distance from town */
case 0x8D: return min(DistanceSquare(industry->town->xy, tile), 65535);
/* 32 random bits */
case 0x8F: return _industry_creation_random_bits;
}
/* None of the special ones, so try the general ones */
return IndustryGetVariable(object, variable, parameter, available);
}
bool CheckIfCallBackAllowsCreation(TileIndex tile, IndustryType type, uint itspec_index, uint32 seed)
{
const IndustrySpec *indspec = GetIndustrySpec(type);
ResolverObject object;
const SpriteGroup *group;
Industry ind;
ind.index = INVALID_INDUSTRY;
ind.xy = tile;
ind.width = 0;
ind.type = type;
ind.selected_layout = itspec_index;
ind.town = ClosestTownFromTile(tile, (uint)-1);
NewIndustryResolver(&object, tile, &ind, type);
object.GetVariable = IndustryLocationGetVariable;
object.callback = CBID_INDUSTRY_LOCATION;
_industry_creation_random_bits = seed;
group = Resolve(GetIndustrySpec(type)->grf_prop.spritegroup, &object);
/* Unlike the "normal" cases, not having a valid result means we allow
* the building of the industry, as that's how it's done in TTDP. */
if (group == NULL || group->type != SGT_CALLBACK) return true;
/* Copy some parameters from the registers to the error message text ref. stack */
SwitchToErrorRefStack();
PrepareTextRefStackUsage(4);
SwitchToNormalRefStack();
switch (group->g.callback.result) {
case 0x400: return true;
case 0x401: _error_message = STR_0239_SITE_UNSUITABLE; break;
case 0x402: _error_message = STR_0317_CAN_ONLY_BE_BUILT_IN_RAINFOREST; break;
case 0x403: _error_message = STR_0318_CAN_ONLY_BE_BUILT_IN_DESERT; break;
default: _error_message = GetGRFStringID(indspec->grf_prop.grffile->grfid, 0xD000 + group->g.callback.result); break;
}
return false;
}
bool CheckIfCallBackAllowsAvailability(IndustryType type, IndustryAvailabilityCallType creation_type)
{
const IndustrySpec *indspec = GetIndustrySpec(type);
if (HasBit(indspec->callback_flags, CBM_IND_AVAILABLE)) {
uint16 res = GetIndustryCallback(CBID_INDUSTRY_AVAILABLE, 0, creation_type, NULL, type, INVALID_TILE);
if (res != CALLBACK_FAILED) {
return (res == 0);
}
}
return true;
}
static int32 DerefIndProd(uint field, bool use_register)
{
return use_register ? (int32)GetRegister(field) : field;
}
/**
* Get the industry production callback and apply it to the industry.
* @param ind the industry this callback has to be called for
* @param reason the reason it is called (0 = incoming cargo, 1 = periodic tick callback)
*/
void IndustryProductionCallback(Industry *ind, int reason)
{
const IndustrySpec *spec = GetIndustrySpec(ind->type);
ResolverObject object;
NewIndustryResolver(&object, ind->xy, ind, ind->type);
if ((spec->behaviour & INDUSTRYBEH_PRODCALLBACK_RANDOM) != 0) object.callback_param1 = Random();
int multiplier = 1;
if ((spec->behaviour & INDUSTRYBEH_PROD_MULTI_HNDLING) != 0) multiplier = ind->prod_level;
object.callback_param2 = reason;
for (uint loop = 0;; loop++) {
SB(object.callback_param2, 8, 16, loop);
const SpriteGroup *group = Resolve(spec->grf_prop.spritegroup, &object);
if (group == NULL || group->type != SGT_INDUSTRY_PRODUCTION) break;
bool deref = (group->g.indprod.version == 1);
for (uint i = 0; i < 3; i++) {
ind->incoming_cargo_waiting[i] = Clamp(ind->incoming_cargo_waiting[i] - DerefIndProd(group->g.indprod.substract_input[i], deref) * multiplier, 0, 0xFFFF);
}
for (uint i = 0; i < 2; i++) {
ind->produced_cargo_waiting[i] = Clamp(ind->produced_cargo_waiting[i] + max(DerefIndProd(group->g.indprod.add_output[i], deref), 0) * multiplier, 0, 0xFFFF);
}
int32 again = DerefIndProd(group->g.indprod.again, deref);
if (again == 0) break;
SB(object.callback_param2, 24, 8, again);
}
InvalidateWindow(WC_INDUSTRY_VIEW, ind->index);
}
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