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openttd/disaster_cmd.c

1005 lines
21 KiB
C
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/* $Id$ */
#include "stdafx.h"
#include "openttd.h"
#include "table/strings.h"
#include "functions.h"
#include "map.h"
#include "tile.h"
#include "vehicle.h"
#include "command.h"
#include "news.h"
#include "station.h"
#include "waypoint.h"
#include "town.h"
#include "industry.h"
#include "player.h"
#include "airport_movement.h"
#include "sound.h"
#include "variables.h"
static void DisasterClearSquare(TileIndex tile)
{
if (!EnsureNoVehicle(tile))
return;
switch (GetTileType(tile)) {
case MP_RAILWAY:
if (IS_HUMAN_PLAYER(GetTileOwner(tile)) && !IsRailWaypoint(_m[tile].m5)) DoClearSquare(tile);
break;
case MP_HOUSE: {
PlayerID p = _current_player;
_current_player = OWNER_NONE;
DoCommandByTile(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR);
_current_player = p;
break;
}
case MP_TREES:
case MP_CLEAR:
DoClearSquare(tile);
break;
default:
break;
}
}
static const SpriteID _disaster_images_1[] = {0xF41,0xF41,0xF41,0xF41,0xF41,0xF41,0xF41,0xF41};
static const SpriteID _disaster_images_2[] = {0xF44,0xF44,0xF44,0xF44,0xF44,0xF44,0xF44,0xF44};
static const SpriteID _disaster_images_3[] = {0xF4E,0xF4E,0xF4E,0xF4E,0xF4E,0xF4E,0xF4E,0xF4E};
static const SpriteID _disaster_images_4[] = {0xF46,0xF46,0xF47,0xF47,0xF48,0xF48,0xF49,0xF49};
static const SpriteID _disaster_images_5[] = {0xF4A,0xF4A,0xF4B,0xF4B,0xF4C,0xF4C,0xF4D,0xF4D};
static const SpriteID _disaster_images_6[] = {0xF50,0xF50,0xF50,0xF50,0xF50,0xF50,0xF50,0xF50};
static const SpriteID _disaster_images_7[] = {0xF51,0xF51,0xF51,0xF51,0xF51,0xF51,0xF51,0xF51};
static const SpriteID _disaster_images_8[] = {0xF52,0xF52,0xF52,0xF52,0xF52,0xF52,0xF52,0xF52};
static const SpriteID _disaster_images_9[] = {0xF3E,0xF3E,0xF3E,0xF3E,0xF3E,0xF3E,0xF3E,0xF3E};
static const SpriteID * const _disaster_images[] = {
_disaster_images_1,_disaster_images_1,
_disaster_images_2,_disaster_images_2,
_disaster_images_3,_disaster_images_3,
_disaster_images_8,_disaster_images_8,_disaster_images_9,
_disaster_images_6,_disaster_images_6,
_disaster_images_7,_disaster_images_7,
_disaster_images_4,_disaster_images_5,
};
static void DisasterVehicleUpdateImage(Vehicle *v)
{
int img = v->u.disaster.image_override;
if (img == 0)
img = _disaster_images[v->subtype][v->direction];
v->cur_image = img;
}
static void InitializeDisasterVehicle(Vehicle *v, int x, int y, byte z, byte direction, byte subtype)
{
v->type = VEH_Disaster;
v->x_pos = x;
v->y_pos = y;
v->z_pos = z;
v->tile = TileVirtXY(x, y);
v->direction = direction;
v->subtype = subtype;
v->x_offs = -1;
v->y_offs = -1;
v->sprite_width = 2;
v->sprite_height = 2;
v->z_height = 5;
v->owner = OWNER_NONE;
v->vehstatus = VS_UNCLICKABLE;
v->u.disaster.image_override = 0;
v->current_order.type = OT_NOTHING;
v->current_order.flags = 0;
v->current_order.station = 0;
DisasterVehicleUpdateImage(v);
VehiclePositionChanged(v);
BeginVehicleMove(v);
EndVehicleMove(v);
}
static void DeleteDisasterVeh(Vehicle *v)
{
DeleteVehicleChain(v);
}
static void SetDisasterVehiclePos(Vehicle *v, int x, int y, byte z)
{
Vehicle *u;
int yt;
BeginVehicleMove(v);
v->x_pos = x;
v->y_pos = y;
v->z_pos = z;
v->tile = TileVirtXY(x, y);
DisasterVehicleUpdateImage(v);
VehiclePositionChanged(v);
EndVehicleMove(v);
if ( (u=v->next) != NULL) {
BeginVehicleMove(u);
u->x_pos = x;
u->y_pos = yt = y - 1 - (max(z - GetSlopeZ(x, y-1), 0) >> 3);
u->z_pos = GetSlopeZ(x,yt);
u->direction = v->direction;
DisasterVehicleUpdateImage(u);
VehiclePositionChanged(u);
EndVehicleMove(u);
if ( (u=u->next) != NULL) {
BeginVehicleMove(u);
u->x_pos = x;
u->y_pos = y;
u->z_pos = z + 5;
VehiclePositionChanged(u);
EndVehicleMove(u);
}
}
}
static void DisasterTick_Zeppeliner(Vehicle *v)
{
GetNewVehiclePosResult gp;
Station *st;
int x,y;
byte z;
TileIndex tile;
++v->tick_counter;
if (v->current_order.station < 2) {
if (v->tick_counter&1)
return;
GetNewVehiclePos(v, &gp);
SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);
if (v->current_order.station == 1) {
if (++v->age == 38) {
v->current_order.station = 2;
v->age = 0;
}
if ((v->tick_counter&7)==0) {
CreateEffectVehicleRel(v, 0, -17, 2, EV_SMOKE);
}
} else if (v->current_order.station == 0) {
tile = v->tile; /**/
if (IsValidTile(tile) &&
IsTileType(tile, MP_STATION) &&
IS_BYTE_INSIDE(_m[tile].m5, 8, 0x43) &&
IS_HUMAN_PLAYER(GetTileOwner(tile))) {
v->current_order.station = 1;
v->age = 0;
SetDParam(0, _m[tile].m2);
AddNewsItem(STR_B000_ZEPPELIN_DISASTER_AT,
NEWS_FLAGS(NM_THIN, NF_VIEWPORT|NF_VEHICLE, NT_ACCIDENT, 0),
v->index,
0);
}
}
if (v->y_pos >= ((int)MapSizeY() + 9) * 16 - 1)
DeleteDisasterVeh(v);
return;
}
if (v->current_order.station > 2) {
if (++v->age <= 13320)
return;
tile = v->tile; /**/
if (IsValidTile(tile) &&
IsTileType(tile, MP_STATION) &&
IS_BYTE_INSIDE(_m[tile].m5, 8, 0x43) &&
IS_HUMAN_PLAYER(GetTileOwner(tile))) {
st = GetStation(_m[tile].m2);
CLRBITS(st->airport_flags, RUNWAY_IN_block);
}
SetDisasterVehiclePos(v, v->x_pos, v->y_pos, v->z_pos);
DeleteDisasterVeh(v);
return;
}
x = v->x_pos;
y = v->y_pos;
z = GetSlopeZ(x,y);
if (z < v->z_pos)
z = v->z_pos - 1;
SetDisasterVehiclePos(v, x, y, z);
if (++v->age == 1) {
CreateEffectVehicleRel(v, 0, 7, 8, EV_EXPLOSION_LARGE);
SndPlayVehicleFx(SND_12_EXPLOSION, v);
v->u.disaster.image_override = 0xF42;
} else if (v->age == 70) {
v->u.disaster.image_override = 0xF43;
} else if (v->age <= 300) {
if (!(v->tick_counter&7)) {
uint32 r = Random();
CreateEffectVehicleRel(v,
GB(r, 0, 4) - 7,
GB(r, 4, 4) - 7,
GB(r, 8, 3) + 5,
EV_EXPLOSION_SMALL);
}
} else if (v->age == 350) {
v->current_order.station = 3;
v->age = 0;
}
tile = v->tile;/**/
if (IsValidTile(tile) &&
IsTileType(tile, MP_STATION) &&
IS_BYTE_INSIDE(_m[tile].m5, 8, 0x43) &&
IS_HUMAN_PLAYER(GetTileOwner(tile))) {
st = GetStation(_m[tile].m2);
SETBITS(st->airport_flags, RUNWAY_IN_block);
}
}
// UFO starts in the middle, and flies around a bit until it locates
// a road vehicle which it targets.
static void DisasterTick_UFO(Vehicle *v)
{
GetNewVehiclePosResult gp;
Vehicle *u;
uint dist;
byte z;
v->u.disaster.image_override = (++v->tick_counter & 8) ? 0xF45 : 0xF44;
if (v->current_order.station == 0) {
// fly around randomly
int x = TileX(v->dest_tile) * 16;
int y = TileY(v->dest_tile) * 16;
if (abs(x - v->x_pos) + abs(y - v->y_pos) >= 16) {
v->direction = GetDirectionTowards(v, x, y);
GetNewVehiclePos(v, &gp);
SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);
return;
}
if (++v->age < 6) {
v->dest_tile = RandomTile();
return;
}
v->current_order.station = 1;
FOR_ALL_VEHICLES(u) {
if (u->type == VEH_Road && IS_HUMAN_PLAYER(u->owner)) {
v->dest_tile = u->index;
v->age = 0;
return;
}
}
DeleteDisasterVeh(v);
} else {
// target a vehicle
u = GetVehicle(v->dest_tile);
if (u->type != VEH_Road) {
DeleteDisasterVeh(v);
return;
}
dist = abs(v->x_pos - u->x_pos) + abs(v->y_pos - u->y_pos);
if (dist < 16 && !(u->vehstatus&VS_HIDDEN) && u->breakdown_ctr==0) {
u->breakdown_ctr = 3;
u->breakdown_delay = 140;
}
v->direction = GetDirectionTowards(v, u->x_pos, u->y_pos);
GetNewVehiclePos(v, &gp);
z = v->z_pos;
if (dist <= 16 && z > u->z_pos) z--;
SetDisasterVehiclePos(v, gp.x, gp.y, z);
if (z <= u->z_pos && (u->vehstatus&VS_HIDDEN)==0) {
v->age++;
if (u->u.road.crashed_ctr == 0) {
u->u.road.crashed_ctr++;
u->vehstatus |= VS_CRASHED;
AddNewsItem(STR_B001_ROAD_VEHICLE_DESTROYED,
NEWS_FLAGS(NM_THIN, NF_VIEWPORT|NF_VEHICLE, NT_ACCIDENT, 0),
u->index,
0);
}
}
// destroy?
if (v->age > 50) {
CreateEffectVehicleRel(v, 0, 7, 8, EV_EXPLOSION_LARGE);
SndPlayVehicleFx(SND_12_EXPLOSION, v);
DeleteDisasterVeh(v);
}
}
}
static void DestructIndustry(Industry *i)
{
TileIndex tile;
for (tile = 0; tile != MapSize(); tile++) {
if (IsTileType(tile, MP_INDUSTRY) && _m[tile].m2 == i->index) {
_m[tile].m1 = 0;
MarkTileDirtyByTile(tile);
}
}
}
// Airplane which destroys an oil refinery
static void DisasterTick_2(Vehicle *v)
{
GetNewVehiclePosResult gp;
v->tick_counter++;
v->u.disaster.image_override =
(v->current_order.station == 1 && v->tick_counter&4) ? 0xF4F : 0;
GetNewVehiclePos(v, &gp);
SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);
if (gp.x < -160) {
DeleteDisasterVeh(v);
return;
}
if (v->current_order.station == 2) {
if (!(v->tick_counter&3)) {
Industry *i = GetIndustry(v->dest_tile);
int x = TileX(i->xy) * 16;
int y = TileY(i->xy) * 16;
uint32 r = Random();
CreateEffectVehicleAbove(
GB(r, 0, 6) + x,
GB(r, 6, 6) + y,
GB(r, 12, 4),
EV_EXPLOSION_SMALL);
if (++v->age >= 55)
v->current_order.station = 3;
}
} else if (v->current_order.station == 1) {
if (++v->age == 112) {
Industry *i;
v->current_order.station = 2;
v->age = 0;
i = GetIndustry(v->dest_tile);
DestructIndustry(i);
SetDParam(0, i->town->index);
AddNewsItem(STR_B002_OIL_REFINERY_EXPLOSION, NEWS_FLAGS(NM_THIN,NF_VIEWPORT|NF_TILE,NT_ACCIDENT,0), i->xy, 0);
SndPlayTileFx(SND_12_EXPLOSION, i->xy);
}
} else if (v->current_order.station == 0) {
int x,y;
TileIndex tile;
int ind;
x = v->x_pos - 15*16;
y = v->y_pos;
if ( (uint)x > MapMaxX() * 16-1)
return;
tile = TileVirtXY(x, y);
if (!IsTileType(tile, MP_INDUSTRY))
return;
v->dest_tile = ind = _m[tile].m2;
if (GetIndustry(ind)->type == IT_OIL_REFINERY) {
v->current_order.station = 1;
v->age = 0;
}
}
}
// Helicopter which destroys a factory
static void DisasterTick_3(Vehicle *v)
{
GetNewVehiclePosResult gp;
v->tick_counter++;
v->u.disaster.image_override =
(v->current_order.station == 1 && v->tick_counter&4) ? 0xF53 : 0;
GetNewVehiclePos(v, &gp);
SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);
if (gp.x > (int)MapSizeX() * 16 + 9*16 - 1) {
DeleteDisasterVeh(v);
return;
}
if (v->current_order.station == 2) {
if (!(v->tick_counter&3)) {
Industry *i = GetIndustry(v->dest_tile);
int x = TileX(i->xy) * 16;
int y = TileY(i->xy) * 16;
uint32 r = Random();
CreateEffectVehicleAbove(
GB(r, 0, 6) + x,
GB(r, 6, 6) + y,
GB(r, 12, 4),
EV_EXPLOSION_SMALL);
if (++v->age >= 55)
v->current_order.station = 3;
}
} else if (v->current_order.station == 1) {
if (++v->age == 112) {
Industry *i;
v->current_order.station = 2;
v->age = 0;
i = GetIndustry(v->dest_tile);
DestructIndustry(i);
SetDParam(0, i->town->index);
AddNewsItem(STR_B003_FACTORY_DESTROYED_IN_SUSPICIOUS, NEWS_FLAGS(NM_THIN,NF_VIEWPORT|NF_TILE,NT_ACCIDENT,0), i->xy, 0);
SndPlayTileFx(SND_12_EXPLOSION, i->xy);
}
} else if (v->current_order.station == 0) {
int x,y;
TileIndex tile;
int ind;
x = v->x_pos - 15*16;
y = v->y_pos;
if ( (uint)x > MapMaxX() * 16-1)
return;
tile = TileVirtXY(x, y);
if (!IsTileType(tile, MP_INDUSTRY))
return;
v->dest_tile = ind = _m[tile].m2;
if (GetIndustry(ind)->type == IT_FACTORY) {
v->current_order.station = 1;
v->age = 0;
}
}
}
// Helicopter rotor blades
static void DisasterTick_3b(Vehicle *v)
{
if (++v->tick_counter & 1)
return;
if (++v->cur_image == 0xF40 + 1)
v->cur_image = 0xF3E;
VehiclePositionChanged(v);
BeginVehicleMove(v);
EndVehicleMove(v);
}
// Big UFO which lands on a piece of rail.
// Will be shot down by a plane
static void DisasterTick_4(Vehicle *v)
{
GetNewVehiclePosResult gp;
byte z;
Vehicle *u,*w;
Town *t;
TileIndex tile;
TileIndex tile_org;
v->tick_counter++;
if (v->current_order.station == 1) {
int x = TileX(v->dest_tile) * 16 + 8;
int y = TileY(v->dest_tile) * 16 + 8;
if (abs(v->x_pos - x) + abs(v->y_pos - y) >= 8) {
v->direction = GetDirectionTowards(v, x, y);
GetNewVehiclePos(v, &gp);
SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);
return;
}
z = GetSlopeZ(v->x_pos, v->y_pos);
if (z < v->z_pos) {
SetDisasterVehiclePos(v, v->x_pos, v->y_pos, v->z_pos - 1);
return;
}
v->current_order.station = 2;
FOR_ALL_VEHICLES(u) {
if (u->type == VEH_Train || u->type == VEH_Road) {
if (abs(u->x_pos - v->x_pos) + abs(u->y_pos - v->y_pos) <= 12*16) {
u->breakdown_ctr = 5;
u->breakdown_delay = 0xF0;
}
}
}
t = ClosestTownFromTile(v->dest_tile, (uint)-1);
SetDParam(0, t->index);
AddNewsItem(STR_B004_UFO_LANDS_NEAR,
NEWS_FLAGS(NM_THIN, NF_VIEWPORT|NF_TILE, NT_ACCIDENT, 0),
v->tile,
0);
u = ForceAllocateSpecialVehicle();
if (u == NULL) {
DeleteDisasterVeh(v);
return;
}
InitializeDisasterVehicle(u, -6*16, v->y_pos, 135, 5, 11);
u->u.disaster.unk2 = v->index;
w = ForceAllocateSpecialVehicle();
if (w == NULL)
return;
u->next = w;
InitializeDisasterVehicle(w, -6*16, v->y_pos, 0, 5, 12);
w->vehstatus |= VS_DISASTER;
} else if (v->current_order.station < 1) {
int x = TileX(v->dest_tile) * 16;
int y = TileY(v->dest_tile) * 16;
if (abs(x - v->x_pos) + abs(y - v->y_pos) >= 16) {
v->direction = GetDirectionTowards(v, x, y);
GetNewVehiclePos(v, &gp);
SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);
return;
}
if (++v->age < 6) {
v->dest_tile = RandomTile();
return;
}
v->current_order.station = 1;
tile_org = tile = RandomTile();
do {
if (IsTileType(tile, MP_RAILWAY) &&
(_m[tile].m5 & ~3) != 0xC0 && IS_HUMAN_PLAYER(GetTileOwner(tile)))
break;
tile = TILE_MASK(tile+1);
} while (tile != tile_org);
v->dest_tile = tile;
v->age = 0;
} else
return;
}
// The plane which will shoot down the UFO
static void DisasterTick_4b(Vehicle *v)
{
GetNewVehiclePosResult gp;
Vehicle *u;
int i;
v->tick_counter++;
GetNewVehiclePos(v, &gp);
SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);
if (gp.x > (int)MapSizeX() * 16 + 9*16 - 1) {
DeleteDisasterVeh(v);
return;
}
if (v->current_order.station == 0) {
u = GetVehicle(v->u.disaster.unk2);
if (abs(v->x_pos - u->x_pos) > 16)
return;
v->current_order.station = 1;
CreateEffectVehicleRel(u, 0, 7, 8, EV_EXPLOSION_LARGE);
SndPlayVehicleFx(SND_12_EXPLOSION, u);
DeleteDisasterVeh(u);
for(i=0; i!=80; i++) {
uint32 r = Random();
CreateEffectVehicleAbove(
GB(r, 0, 6) + v->x_pos - 32,
GB(r, 5, 6) + v->y_pos - 32,
0,
EV_EXPLOSION_SMALL);
}
BEGIN_TILE_LOOP(tile, 6, 6, v->tile - TileDiffXY(3, 3))
tile = TILE_MASK(tile);
DisasterClearSquare(tile);
END_TILE_LOOP(tile, 6, 6, v->tile - TileDiffXY(3, 3))
}
}
// Submarine handler
static void DisasterTick_5_and_6(Vehicle *v)
{
uint32 r;
GetNewVehiclePosResult gp;
TileIndex tile;
v->tick_counter++;
if (++v->age > 8880) {
VehiclePositionChanged(v);
BeginVehicleMove(v);
EndVehicleMove(v);
DeleteVehicle(v);
return;
}
if (!(v->tick_counter&1))
return;
tile = v->tile + TileOffsByDir(v->direction >> 1);
if (IsValidTile(tile) &&
(r=GetTileTrackStatus(tile,TRANSPORT_WATER),(byte)(r+(r >> 8)) == 0x3F) &&
!CHANCE16(1,90)) {
GetNewVehiclePos(v, &gp);
SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);
return;
}
v->direction = (v->direction + ((Random()&1)?2:-2))&7;
}
static void DisasterTick_NULL(Vehicle *v) {}
typedef void DisasterVehicleTickProc(Vehicle *v);
static DisasterVehicleTickProc * const _disastervehicle_tick_procs[] = {
DisasterTick_Zeppeliner,DisasterTick_NULL,
DisasterTick_UFO,DisasterTick_NULL,
DisasterTick_2,DisasterTick_NULL,
DisasterTick_3,DisasterTick_NULL,DisasterTick_3b,
DisasterTick_4,DisasterTick_NULL,
DisasterTick_4b,DisasterTick_NULL,
DisasterTick_5_and_6,
DisasterTick_5_and_6,
};
void DisasterVehicle_Tick(Vehicle *v)
{
_disastervehicle_tick_procs[v->subtype](v);
}
void HandleClickOnDisasterVeh(Vehicle *v)
{
// not used
}
void OnNewDay_DisasterVehicle(Vehicle *v)
{
// not used
}
typedef void DisasterInitProc(void);
// Zeppeliner which crashes on a small airport
static void Disaster0_Init(void)
{
Vehicle *v = ForceAllocateSpecialVehicle(), *u;
Station *st;
int x;
if (v == NULL)
return;
/* Pick a random place, unless we find
a small airport */
x = TileX(Random()) * 16 + 8;
FOR_ALL_STATIONS(st) {
if (st->xy && st->airport_tile != 0 &&
st->airport_type <= 1 &&
IS_HUMAN_PLAYER(st->owner)) {
x = (TileX(st->xy) + 2) * 16;
break;
}
}
InitializeDisasterVehicle(v, x, 0, 135, 3, 0);
// Allocate shadow too?
u = ForceAllocateSpecialVehicle();
if (u != NULL) {
v->next = u;
InitializeDisasterVehicle(u, x, 0, 0, 3, 1);
u->vehstatus |= VS_DISASTER;
}
}
static void Disaster1_Init(void)
{
Vehicle *v = ForceAllocateSpecialVehicle(), *u;
int x;
if (v == NULL)
return;
x = TileX(Random()) * 16 + 8;
InitializeDisasterVehicle(v, x, 0, 135, 3, 2);
v->dest_tile = TileXY(MapSizeX() / 2, MapSizeY() / 2);
v->age = 0;
// Allocate shadow too?
u = ForceAllocateSpecialVehicle();
if (u != NULL) {
v->next = u;
InitializeDisasterVehicle(u,x,0,0,3,3);
u->vehstatus |= VS_DISASTER;
}
}
static void Disaster2_Init(void)
{
Industry *i, *found;
Vehicle *v,*u;
int x,y;
found = NULL;
FOR_ALL_INDUSTRIES(i) {
if (i->xy != 0 &&
i->type == IT_OIL_REFINERY &&
(found==NULL || CHANCE16(1,2))) {
found = i;
}
}
if (found == NULL)
return;
v = ForceAllocateSpecialVehicle();
if (v == NULL)
return;
x = (MapSizeX() + 9) * 16 - 1;
y = TileY(found->xy) * 16 + 37;
InitializeDisasterVehicle(v,x,y, 135,1,4);
u = ForceAllocateSpecialVehicle();
if (u != NULL) {
v->next = u;
InitializeDisasterVehicle(u,x,y,0,3,5);
u->vehstatus |= VS_DISASTER;
}
}
static void Disaster3_Init(void)
{
Industry *i, *found;
Vehicle *v,*u,*w;
int x,y;
found = NULL;
FOR_ALL_INDUSTRIES(i) {
if (i->xy != 0 &&
i->type == IT_FACTORY &&
(found==NULL || CHANCE16(1,2))) {
found = i;
}
}
if (found == NULL)
return;
v = ForceAllocateSpecialVehicle();
if (v == NULL)
return;
x = -16 * 16;
y = TileY(found->xy) * 16 + 37;
InitializeDisasterVehicle(v,x,y, 135,5,6);
u = ForceAllocateSpecialVehicle();
if (u != NULL) {
v->next = u;
InitializeDisasterVehicle(u,x,y,0,5,7);
u->vehstatus |= VS_DISASTER;
w = ForceAllocateSpecialVehicle();
if (w != NULL) {
u->next = w;
InitializeDisasterVehicle(w,x,y,140,5,8);
}
}
}
static void Disaster4_Init(void)
{
Vehicle *v = ForceAllocateSpecialVehicle(), *u;
int x,y;
if (v == NULL)
return;
x = TileX(Random()) * 16 + 8;
y = MapMaxX() * 16 - 1;
InitializeDisasterVehicle(v, x, y, 135, 7, 9);
v->dest_tile = TileXY(MapSizeX() / 2, MapSizeY() / 2);
v->age = 0;
// Allocate shadow too?
u = ForceAllocateSpecialVehicle();
if (u != NULL) {
v->next = u;
InitializeDisasterVehicle(u,x,y,0,7,10);
u->vehstatus |= VS_DISASTER;
}
}
// Submarine type 1
static void Disaster5_Init(void)
{
Vehicle *v = ForceAllocateSpecialVehicle();
int x,y;
byte dir;
uint32 r;
if (v == NULL)
return;
r = Random();
x = TileX(r) * 16 + 8;
y = 8;
dir = 3;
if (r & 0x80000000) { y = MapMaxX() * 16 - 8 - 1; dir = 7; }
InitializeDisasterVehicle(v, x, y, 0, dir,13);
v->age = 0;
}
// Submarine type 2
static void Disaster6_Init(void)
{
Vehicle *v = ForceAllocateSpecialVehicle();
int x,y;
byte dir;
uint32 r;
if (v == NULL)
return;
r = Random();
x = TileX(r) * 16 + 8;
y = 8;
dir = 3;
if (r & 0x80000000) { y = MapMaxX() * 16 - 8 - 1; dir = 7; }
InitializeDisasterVehicle(v, x, y, 0, dir,14);
v->age = 0;
}
static void Disaster7_Init(void)
{
Industry *i;
int maxloop = 15;
int index = Random() & 0xF;
do {
FOR_ALL_INDUSTRIES(i) {
if (i->xy != 0 && i->type == IT_COAL_MINE && --index < 0) {
SetDParam(0, i->town->index);
AddNewsItem(STR_B005_COAL_MINE_SUBSIDENCE_LEAVES,
NEWS_FLAGS(NM_THIN,NF_VIEWPORT|NF_TILE,NT_ACCIDENT,0), i->xy + TileDiffXY(1, 1), 0);
{
TileIndex tile = i->xy;
TileIndexDiff step = TileOffsByDir(Random() & 3);
int count = 30;
do {
DisasterClearSquare(tile);
tile = TILE_MASK(tile + step);
} while (--count);
}
return;
}
}
} while (--maxloop != 0);
}
static DisasterInitProc * const _disaster_initprocs[] = {
Disaster0_Init,
Disaster1_Init,
Disaster2_Init,
Disaster3_Init,
Disaster4_Init,
Disaster5_Init,
Disaster6_Init,
Disaster7_Init,
};
typedef struct {
byte min,max;
} DisasterYears;
#define MK(a,b) {a-20,b-20}
static const DisasterYears _dis_years[8] = {
MK(30,55),
MK(40,70),
MK(60,90),
MK(70,100),
MK(100,200),
MK(40,65),
MK(75,110),
MK(50,85),
};
static void DoDisaster(void)
{
byte buf[8];
byte year = _cur_year;
int i,j;
for(i=j=0; i!=lengthof(_dis_years); i++) {
if (year >= _dis_years[i].min &&
year < _dis_years[i].max)
buf[j++] = i;
}
if (j == 0)
return;
_disaster_initprocs[buf[GB(Random(), 0, 16) * j >> 16]]();
}
static void ResetDisasterDelay(void)
{
_disaster_delay = GB(Random(), 0, 9) + 730;
}
void DisasterDailyLoop(void)
{
if (--_disaster_delay != 0)
return;
ResetDisasterDelay();
if (_opt.diff.disasters != 0)
DoDisaster();
}
void StartupDisasters(void)
{
ResetDisasterDelay();
}
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