0
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#include "stdafx.h"
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#include "ttd.h"
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#include "vehicle.h"
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#include "command.h"
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#include "news.h"
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#include "gfx.h"
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#include "station.h"
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#include "town.h"
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#include "industry.h"
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#include "player.h"
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#include "airport_movement.h"
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static void DisasterClearSquare(uint tile)
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{
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int type;
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if (!EnsureNoVehicle(tile))
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return;
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type = _map_type_and_height[tile] >> 4;
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if (type == MP_RAILWAY) {
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if (IS_HUMAN_PLAYER(_map_owner[tile]))
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DoClearSquare(tile);
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} else if (type == MP_HOUSE) {
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byte p = _current_player;
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_current_player = OWNER_NONE;
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DoCommandByTile(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR);
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_current_player = p;
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} else if (type == MP_TREES || type == MP_CLEAR) {
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DoClearSquare(tile);
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}
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}
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static const SpriteID _disaster_images_1[] = {0xF41,0xF41,0xF41,0xF41,0xF41,0xF41,0xF41,0xF41};
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static const SpriteID _disaster_images_2[] = {0xF44,0xF44,0xF44,0xF44,0xF44,0xF44,0xF44,0xF44};
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static const SpriteID _disaster_images_3[] = {0xF4E,0xF4E,0xF4E,0xF4E,0xF4E,0xF4E,0xF4E,0xF4E};
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static const SpriteID _disaster_images_4[] = {0xF46,0xF46,0xF47,0xF47,0xF48,0xF48,0xF49,0xF49};
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static const SpriteID _disaster_images_5[] = {0xF4A,0xF4A,0xF4B,0xF4B,0xF4C,0xF4C,0xF4D,0xF4D};
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static const SpriteID _disaster_images_6[] = {0xF50,0xF50,0xF50,0xF50,0xF50,0xF50,0xF50,0xF50};
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static const SpriteID _disaster_images_7[] = {0xF51,0xF51,0xF51,0xF51,0xF51,0xF51,0xF51,0xF51};
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static const SpriteID _disaster_images_8[] = {0xF52,0xF52,0xF52,0xF52,0xF52,0xF52,0xF52,0xF52};
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static const SpriteID _disaster_images_9[] = {0xF3E,0xF3E,0xF3E,0xF3E,0xF3E,0xF3E,0xF3E,0xF3E};
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static const SpriteID * const _disaster_images[] = {
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_disaster_images_1,_disaster_images_1,
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_disaster_images_2,_disaster_images_2,
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_disaster_images_3,_disaster_images_3,
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_disaster_images_8,_disaster_images_8,_disaster_images_9,
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_disaster_images_6,_disaster_images_6,
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_disaster_images_7,_disaster_images_7,
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_disaster_images_4,_disaster_images_5,
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};
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static void DisasterVehicleUpdateImage(Vehicle *v)
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{
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int img = v->u.disaster.image_override;
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if (img == 0)
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img = _disaster_images[v->subtype][v->direction];
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v->cur_image = img;
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}
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static void InitializeDisasterVehicle(Vehicle *v, int x, int y, byte z, byte direction, byte subtype)
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{
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v->type = VEH_Disaster;
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v->x_pos = x;
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v->y_pos = y;
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v->z_pos = z;
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v->tile = TILE_FROM_XY(x,y);
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v->direction = direction;
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v->subtype = subtype;
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v->x_offs = -1;
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v->y_offs = -1;
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v->sprite_width = 2;
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v->sprite_height = 2;
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v->z_height = 5;
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v->owner = OWNER_NONE;
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v->vehstatus = VS_UNCLICKABLE;
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v->u.disaster.image_override = 0;
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v->next_order = 0;
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DisasterVehicleUpdateImage(v);
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VehiclePositionChanged(v);
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BeginVehicleMove(v);
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EndVehicleMove(v);
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}
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static void DeleteDisasterVeh(Vehicle *v)
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{
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DeleteVehicleChain(v);
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}
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static void SetDisasterVehiclePos(Vehicle *v, int x, int y, byte z)
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{
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Vehicle *u;
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int yt;
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BeginVehicleMove(v);
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v->x_pos = x;
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v->y_pos = y;
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v->z_pos = z;
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v->tile = TILE_FROM_XY(x,y);
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DisasterVehicleUpdateImage(v);
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VehiclePositionChanged(v);
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EndVehicleMove(v);
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if ( (u=v->next) != NULL) {
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BeginVehicleMove(u);
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u->x_pos = x;
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u->y_pos = yt = y - 1 - (max(z - GetSlopeZ(x, y-1), 0) >> 3);
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u->z_pos = GetSlopeZ(x,yt);
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u->direction = v->direction;
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DisasterVehicleUpdateImage(u);
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VehiclePositionChanged(u);
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EndVehicleMove(u);
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if ( (u=u->next) != NULL) {
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BeginVehicleMove(u);
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u->x_pos = x;
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u->y_pos = y;
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u->z_pos = z + 5;
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VehiclePositionChanged(u);
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EndVehicleMove(u);
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}
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}
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}
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static void DisasterTick_Zeppeliner(Vehicle *v)
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{
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GetNewVehiclePosResult gp;
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Station *st;
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int x,y;
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byte z;
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uint tile;
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++v->tick_counter;
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if (v->next_order < 2) {
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if (v->tick_counter&1)
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return;
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GetNewVehiclePos(v, &gp);
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SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);
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if (v->next_order == 1) {
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if (++v->age == 38) {
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v->next_order = 2;
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v->age = 0;
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}
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if ((v->tick_counter&7)==0) {
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CreateEffectVehicleRel(v, 0, -17, 2, EV_SMOKE_3);
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}
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} else if (v->next_order == 0) {
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tile = v->tile; /**/
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if (IS_TILETYPE(tile, MP_STATION) &&
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IS_BYTE_INSIDE(_map5[tile], 8, 0x43) &&
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IS_HUMAN_PLAYER(_map_owner[tile])) {
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v->next_order = 1;
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v->age = 0;
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SET_DPARAM16(0, _map2[tile]);
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AddNewsItem(STR_B000_ZEPPELIN_DISASTER_AT,
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NEWS_FLAGS(NM_THIN, NF_VIEWPORT|NF_VEHICLE, NT_ACCIDENT, 0),
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v->index,
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0);
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}
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}
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if (v->y_pos >= (TILES_Y+9) * 16 - 1)
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DeleteDisasterVeh(v);
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return;
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}
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if (v->next_order > 2) {
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if (++v->age <= 13320)
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return;
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tile = v->tile; /**/
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if (IS_TILETYPE(tile, MP_STATION) &&
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IS_BYTE_INSIDE(_map5[tile], 8, 0x43) &&
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IS_HUMAN_PLAYER(_map_owner[tile])) {
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st = DEREF_STATION(_map2[tile]);
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CLRBITS(st->airport_flags, RUNWAY_IN_block);
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}
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SetDisasterVehiclePos(v, v->x_pos, v->y_pos, v->z_pos);
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DeleteDisasterVeh(v);
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return;
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}
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x = v->x_pos;
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y = v->y_pos;
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z = GetSlopeZ(x,y);
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if (z < v->z_pos)
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z = v->z_pos - 1;
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SetDisasterVehiclePos(v, x, y, z);
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if (++v->age == 1) {
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CreateEffectVehicleRel(v, 0, 7, 8, EV_CRASHED_SMOKE);
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SndPlayVehicleFx(0x10, v);
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v->u.disaster.image_override = 0xF42;
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} else if (v->age == 70) {
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v->u.disaster.image_override = 0xF43;
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} else if (v->age <= 300) {
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if (!(v->tick_counter&7)) {
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uint32 r = Random();
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CreateEffectVehicleRel(v,
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-7 + (r&0xF),
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-7 + (r>>4&0xF),
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5 + (r>>8&0x7),
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EV_DEMOLISH);
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}
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} else if (v->age == 350) {
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v->next_order = 3;
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v->age = 0;
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}
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tile = v->tile;/**/
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if (IS_TILETYPE(tile, MP_STATION) &&
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IS_BYTE_INSIDE(_map5[tile], 8, 0x43) &&
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IS_HUMAN_PLAYER(_map_owner[tile])) {
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st = DEREF_STATION(_map2[tile]);
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SETBITS(st->airport_flags, RUNWAY_IN_block);
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}
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}
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// UFO starts in the middle, and flies around a bit until it locates
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// a road vehicle which it targets.
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static void DisasterTick_UFO(Vehicle *v)
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{
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GetNewVehiclePosResult gp;
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Vehicle *u;
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uint dist;
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byte z;
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v->u.disaster.image_override = (++v->tick_counter & 8) ? 0xF45 : 0xF44;
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if (v->next_order == 0) {
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// fly around randomly
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int x = GET_TILE_X(v->dest_tile)*16;
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int y = GET_TILE_Y(v->dest_tile)*16;
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if (abs(x - v->x_pos) + abs(y - v->y_pos) >= 16) {
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v->direction = GetDirectionTowards(v, x, y);
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GetNewVehiclePos(v, &gp);
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SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);
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return;
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}
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if (++v->age < 6) {
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v->dest_tile = TILE_MASK(Random());
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return;
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}
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v->next_order = 1;
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FOR_ALL_VEHICLES(u) {
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if (u->type == VEH_Road && IS_HUMAN_PLAYER(u->owner)) {
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v->dest_tile = u->index;
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v->age = 0;
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return;
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}
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}
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DeleteDisasterVeh(v);
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} else {
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// target a vehicle
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u = &_vehicles[v->dest_tile];
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if (u->type != VEH_Road) {
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DeleteDisasterVeh(v);
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return;
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}
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dist = abs(v->x_pos - u->x_pos) + abs(v->y_pos - u->y_pos);
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if (dist < 16 && !(u->vehstatus&VS_HIDDEN) && u->breakdown_ctr==0) {
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u->breakdown_ctr = 3;
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u->breakdown_delay = 140;
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}
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v->direction = GetDirectionTowards(v, u->x_pos, u->y_pos);
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GetNewVehiclePos(v, &gp);
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z = v->z_pos;
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if (dist <= 16 && z > u->z_pos) z--;
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SetDisasterVehiclePos(v, gp.x, gp.y, z);
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if (z <= u->z_pos && (u->vehstatus&VS_HIDDEN)==0) {
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v->age++;
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if (u->u.road.crashed_ctr == 0) {
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u->u.road.crashed_ctr++;
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u->vehstatus |= VS_CRASHED;
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AddNewsItem(STR_B001_ROAD_VEHICLE_DESTROYED,
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NEWS_FLAGS(NM_THIN, NF_VIEWPORT|NF_VEHICLE, NT_ACCIDENT, 0),
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u->index,
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0);
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}
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}
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// destroy?
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if (v->age > 50) {
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CreateEffectVehicleRel(v, 0, 7, 8, EV_CRASHED_SMOKE);
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SndPlayVehicleFx(0x10, v);
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DeleteDisasterVeh(v);
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}
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}
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}
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static void DestructIndustry(Industry *i)
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{
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uint tile;
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byte index = i - _industries;
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for(tile=0; tile != TILES_X*TILES_Y; tile++) {
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if (IS_TILETYPE(tile, MP_INDUSTRY) && _map2[tile] == index) {
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_map_owner[tile] = 0;
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MarkTileDirtyByTile(tile);
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}
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328 |
}
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}
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// Airplane which destroys an oil refinery
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332 |
static void DisasterTick_2(Vehicle *v)
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{
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GetNewVehiclePosResult gp;
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335 |
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v->tick_counter++;
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v->u.disaster.image_override = (v->next_order == 1 && v->tick_counter&4) ? 0xF4F : 0;
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338 |
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GetNewVehiclePos(v, &gp);
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340 |
SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);
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341 |
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342 |
if (gp.x < -160) {
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343 |
DeleteDisasterVeh(v);
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344 |
return;
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}
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346 |
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347 |
if (v->next_order == 2) {
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348 |
if (!(v->tick_counter&3)) {
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349 |
Industry *i = DEREF_INDUSTRY(v->dest_tile);
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350 |
int x = GET_TILE_X(i->xy)*16;
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351 |
int y = GET_TILE_Y(i->xy)*16;
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uint32 r = Random();
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353 |
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354 |
CreateEffectVehicleAbove(
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x + (r & 0x3F),
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y + (r >> 6 & 0x3F),
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(r >> 12 & 0xF),
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EV_DEMOLISH);
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359 |
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360 |
if (++v->age >= 55)
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v->next_order = 3;
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362 |
}
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363 |
} else if (v->next_order == 1) {
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364 |
if (++v->age == 112) {
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Industry *i;
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366 |
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v->next_order = 2;
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368 |
v->age = 0;
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369 |
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370 |
i = DEREF_INDUSTRY(v->dest_tile);
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371 |
DestructIndustry(i);
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372 |
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373 |
SET_DPARAM16(0, i->town->index);
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374 |
AddNewsItem(STR_B002_OIL_REFINERY_EXPLOSION, NEWS_FLAGS(NM_THIN,NF_VIEWPORT|NF_TILE,NT_ACCIDENT,0), i->xy, 0);
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375 |
SndPlayTileFx(0x10, i->xy);
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376 |
}
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377 |
} else if (v->next_order == 0) {
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378 |
int x,y;
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379 |
uint tile;
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380 |
int ind;
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381 |
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382 |
x = v->x_pos - 15*16;
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383 |
y = v->y_pos;
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384 |
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385 |
if ( (uint)x > (TILES_X-1) * 16-1)
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386 |
return;
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387 |
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388 |
tile = TILE_FROM_XY(x,y);
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389 |
if (!IS_TILETYPE(tile, MP_INDUSTRY))
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|
390 |
return;
|
|
391 |
|
|
392 |
v->dest_tile = ind = _map2[tile];
|
|
393 |
|
|
394 |
if (DEREF_INDUSTRY(ind)->type == IT_OIL_REFINERY) {
|
|
395 |
v->next_order = 1;
|
|
396 |
v->age = 0;
|
|
397 |
}
|
|
398 |
}
|
|
399 |
}
|
|
400 |
|
|
401 |
// Helicopter which destroys a factory
|
|
402 |
static void DisasterTick_3(Vehicle *v)
|
|
403 |
{
|
|
404 |
GetNewVehiclePosResult gp;
|
|
405 |
|
|
406 |
v->tick_counter++;
|
|
407 |
v->u.disaster.image_override = (v->next_order == 1 && v->tick_counter&4) ? 0xF53 : 0;
|
|
408 |
|
|
409 |
GetNewVehiclePos(v, &gp);
|
|
410 |
SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);
|
|
411 |
|
|
412 |
if (gp.x > TILES_X * 16 + 9*16 - 1) {
|
|
413 |
DeleteDisasterVeh(v);
|
|
414 |
return;
|
|
415 |
}
|
|
416 |
|
|
417 |
if (v->next_order == 2) {
|
|
418 |
if (!(v->tick_counter&3)) {
|
|
419 |
Industry *i = DEREF_INDUSTRY(v->dest_tile);
|
|
420 |
int x = GET_TILE_X(i->xy)*16;
|
|
421 |
int y = GET_TILE_Y(i->xy)*16;
|
|
422 |
uint32 r = Random();
|
|
423 |
|
|
424 |
CreateEffectVehicleAbove(
|
|
425 |
x + (r & 0x3F),
|
|
426 |
y + (r >> 6 & 0x3F),
|
|
427 |
(r >> 12 & 0xF),
|
|
428 |
EV_DEMOLISH);
|
|
429 |
|
|
430 |
if (++v->age >= 55)
|
|
431 |
v->next_order = 3;
|
|
432 |
}
|
|
433 |
} else if (v->next_order == 1) {
|
|
434 |
if (++v->age == 112) {
|
|
435 |
Industry *i;
|
|
436 |
|
|
437 |
v->next_order = 2;
|
|
438 |
v->age = 0;
|
|
439 |
|
|
440 |
i = DEREF_INDUSTRY(v->dest_tile);
|
|
441 |
DestructIndustry(i);
|
|
442 |
|
|
443 |
SET_DPARAM16(0, i->town->index);
|
|
444 |
AddNewsItem(STR_B003_FACTORY_DESTROYED_IN_SUSPICIOUS, NEWS_FLAGS(NM_THIN,NF_VIEWPORT|NF_TILE,NT_ACCIDENT,0), i->xy, 0);
|
|
445 |
SndPlayTileFx(0x10, i->xy);
|
|
446 |
}
|
|
447 |
} else if (v->next_order == 0) {
|
|
448 |
int x,y;
|
|
449 |
uint tile;
|
|
450 |
int ind;
|
|
451 |
|
|
452 |
x = v->x_pos - 15*16;
|
|
453 |
y = v->y_pos;
|
|
454 |
|
|
455 |
if ( (uint)x > (TILES_X-1) * 16-1)
|
|
456 |
return;
|
|
457 |
|
|
458 |
tile = TILE_FROM_XY(x,y);
|
|
459 |
if (!IS_TILETYPE(tile, MP_INDUSTRY))
|
|
460 |
return;
|
|
461 |
|
|
462 |
v->dest_tile = ind = _map2[tile];
|
|
463 |
|
|
464 |
if (DEREF_INDUSTRY(ind)->type == IT_FACTORY) {
|
|
465 |
v->next_order = 1;
|
|
466 |
v->age = 0;
|
|
467 |
}
|
|
468 |
}
|
|
469 |
}
|
|
470 |
|
|
471 |
// Helicopter rotor blades
|
|
472 |
static void DisasterTick_3b(Vehicle *v)
|
|
473 |
{
|
|
474 |
if (++v->tick_counter & 1)
|
|
475 |
return;
|
|
476 |
|
|
477 |
if (++v->cur_image == 0xF40 + 1)
|
|
478 |
v->cur_image = 0xF3E;
|
|
479 |
|
|
480 |
VehiclePositionChanged(v);
|
|
481 |
BeginVehicleMove(v);
|
|
482 |
EndVehicleMove(v);
|
|
483 |
}
|
|
484 |
|
|
485 |
// Big UFO which lands on a piece of rail.
|
|
486 |
// Will be shot down by a plane
|
|
487 |
static void DisasterTick_4(Vehicle *v)
|
|
488 |
{
|
|
489 |
GetNewVehiclePosResult gp;
|
|
490 |
byte z;
|
|
491 |
Vehicle *u,*w;
|
|
492 |
Town *t;
|
|
493 |
uint tile,tile_org;
|
|
494 |
|
|
495 |
v->tick_counter++;
|
|
496 |
|
|
497 |
if (v->next_order == 1) {
|
|
498 |
int x = GET_TILE_X(v->dest_tile)*16 + 8;
|
|
499 |
int y = GET_TILE_Y(v->dest_tile)*16 + 8;
|
|
500 |
if (abs(v->x_pos - x) + abs(v->y_pos - y) >= 8) {
|
|
501 |
v->direction = GetDirectionTowards(v, x, y);
|
|
502 |
|
|
503 |
GetNewVehiclePos(v, &gp);
|
|
504 |
SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);
|
|
505 |
return;
|
|
506 |
}
|
|
507 |
|
|
508 |
z = GetSlopeZ(v->x_pos, v->y_pos);
|
|
509 |
if (z < v->z_pos) {
|
|
510 |
SetDisasterVehiclePos(v, v->x_pos, v->y_pos, v->z_pos - 1);
|
|
511 |
return;
|
|
512 |
}
|
|
513 |
|
|
514 |
v->next_order = 2;
|
|
515 |
|
|
516 |
FOR_ALL_VEHICLES(u) {
|
|
517 |
if (u->type == VEH_Train || u->type == VEH_Road) {
|
|
518 |
if (abs(u->x_pos - v->x_pos) + abs(u->y_pos - v->y_pos) <= 12*16) {
|
|
519 |
u->breakdown_ctr = 5;
|
|
520 |
u->breakdown_delay = 0xF0;
|
|
521 |
}
|
|
522 |
}
|
|
523 |
}
|
|
524 |
|
|
525 |
t = ClosestTownFromTile(v->dest_tile, (uint)-1);
|
|
526 |
SET_DPARAM16(0, t->index);
|
|
527 |
AddNewsItem(STR_B004_UFO_LANDS_NEAR,
|
|
528 |
NEWS_FLAGS(NM_THIN, NF_VIEWPORT|NF_TILE, NT_ACCIDENT, 0),
|
|
529 |
v->tile,
|
|
530 |
0);
|
|
531 |
|
|
532 |
u = ForceAllocateSpecialVehicle();
|
|
533 |
if (u == NULL) {
|
|
534 |
DeleteDisasterVeh(v);
|
|
535 |
return;
|
|
536 |
}
|
|
537 |
|
|
538 |
InitializeDisasterVehicle(u, -6*16, v->y_pos, 135, 5, 11);
|
|
539 |
u->u.disaster.unk2 = v->index;
|
|
540 |
|
|
541 |
w = ForceAllocateSpecialVehicle();
|
|
542 |
if (w == NULL)
|
|
543 |
return;
|
|
544 |
|
|
545 |
u->next = w;
|
|
546 |
InitializeDisasterVehicle(w, -6*16, v->y_pos, 0, 5, 12);
|
|
547 |
w->vehstatus |= VS_DISASTER;
|
|
548 |
} else if (v->next_order < 1) {
|
|
549 |
|
|
550 |
int x = GET_TILE_X(v->dest_tile)*16;
|
|
551 |
int y = GET_TILE_Y(v->dest_tile)*16;
|
|
552 |
if (abs(x - v->x_pos) + abs(y - v->y_pos) >= 16) {
|
|
553 |
v->direction = GetDirectionTowards(v, x, y);
|
|
554 |
GetNewVehiclePos(v, &gp);
|
|
555 |
SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);
|
|
556 |
return;
|
|
557 |
}
|
|
558 |
|
|
559 |
if (++v->age < 6) {
|
|
560 |
v->dest_tile = TILE_MASK(Random());
|
|
561 |
return;
|
|
562 |
}
|
|
563 |
v->next_order = 1;
|
|
564 |
|
|
565 |
tile_org = tile = TILE_MASK(Random());
|
|
566 |
do {
|
|
567 |
if (IS_TILETYPE(tile, MP_RAILWAY) &&
|
|
568 |
(_map5[tile]&~3)!=0xC0 && IS_HUMAN_PLAYER(_map_owner[tile]))
|
|
569 |
break;
|
|
570 |
tile = TILE_MASK(tile+1);
|
|
571 |
} while (tile != tile_org);
|
|
572 |
v->dest_tile = tile;
|
|
573 |
v->age = 0;
|
|
574 |
} else
|
|
575 |
return;
|
|
576 |
}
|
|
577 |
|
|
578 |
// The plane which will shoot down the UFO
|
|
579 |
static void DisasterTick_4b(Vehicle *v)
|
|
580 |
{
|
|
581 |
GetNewVehiclePosResult gp;
|
|
582 |
Vehicle *u;
|
|
583 |
int i;
|
|
584 |
|
|
585 |
v->tick_counter++;
|
|
586 |
|
|
587 |
GetNewVehiclePos(v, &gp);
|
|
588 |
SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);
|
|
589 |
|
|
590 |
if (gp.x > TILES_X * 16 + 9*16 - 1) {
|
|
591 |
DeleteDisasterVeh(v);
|
|
592 |
return;
|
|
593 |
}
|
|
594 |
|
|
595 |
if (v->next_order == 0) {
|
|
596 |
u = &_vehicles[v->u.disaster.unk2];
|
|
597 |
if (abs(v->x_pos - u->x_pos) > 16)
|
|
598 |
return;
|
|
599 |
v->next_order = 1;
|
|
600 |
|
|
601 |
CreateEffectVehicleRel(u, 0, 7, 8, EV_CRASHED_SMOKE);
|
|
602 |
SndPlayVehicleFx(0x10, u);
|
|
603 |
|
|
604 |
DeleteDisasterVeh(u);
|
|
605 |
|
|
606 |
for(i=0; i!=80; i++) {
|
|
607 |
uint32 r = Random();
|
|
608 |
CreateEffectVehicleAbove(
|
|
609 |
v->x_pos-32+(r&0x3F),
|
|
610 |
v->y_pos-32+(r>>5&0x3F),
|
|
611 |
0,
|
|
612 |
EV_DEMOLISH);
|
|
613 |
}
|
|
614 |
|
|
615 |
BEGIN_TILE_LOOP(tile,6,6,v->tile - TILE_XY(3,3))
|
|
616 |
tile = TILE_MASK(tile);
|
|
617 |
DisasterClearSquare(tile);
|
|
618 |
END_TILE_LOOP(tile,6,6,v->tile - TILE_XY(3,3))
|
|
619 |
}
|
|
620 |
}
|
|
621 |
|
|
622 |
// Submarine handler
|
|
623 |
static void DisasterTick_5_and_6(Vehicle *v)
|
|
624 |
{
|
|
625 |
uint32 r;
|
|
626 |
GetNewVehiclePosResult gp;
|
|
627 |
uint tile;
|
|
628 |
|
|
629 |
v->tick_counter++;
|
|
630 |
|
|
631 |
if (++v->age > 8880) {
|
|
632 |
VehiclePositionChanged(v);
|
|
633 |
BeginVehicleMove(v);
|
|
634 |
EndVehicleMove(v);
|
|
635 |
DeleteVehicle(v);
|
|
636 |
return;
|
|
637 |
}
|
|
638 |
|
|
639 |
if (!(v->tick_counter&1))
|
|
640 |
return;
|
|
641 |
|
|
642 |
tile = v->tile + _tileoffs_by_dir[v->direction >> 1];
|
|
643 |
if (IsValidTile(tile) &&
|
|
644 |
(r=GetTileTrackStatus(tile,4),(byte)(r+(r >> 8)) == 0x3F) &&
|
|
645 |
!CHANCE16(1,90)) {
|
|
646 |
GetNewVehiclePos(v, &gp);
|
|
647 |
SetDisasterVehiclePos(v, gp.x, gp.y, v->z_pos);
|
|
648 |
return;
|
|
649 |
}
|
|
650 |
|
|
651 |
v->direction = (v->direction + ((Random()&1)?2:-2))&7;
|
|
652 |
}
|
|
653 |
|
|
654 |
|
|
655 |
static void DisasterTick_NULL(Vehicle *v) {}
|
|
656 |
typedef void DisasterVehicleTickProc(Vehicle *v);
|
|
657 |
|
|
658 |
static DisasterVehicleTickProc * const _disastervehicle_tick_procs[] = {
|
|
659 |
DisasterTick_Zeppeliner,DisasterTick_NULL,
|
|
660 |
DisasterTick_UFO,DisasterTick_NULL,
|
|
661 |
DisasterTick_2,DisasterTick_NULL,
|
|
662 |
DisasterTick_3,DisasterTick_NULL,DisasterTick_3b,
|
|
663 |
DisasterTick_4,DisasterTick_NULL,
|
|
664 |
DisasterTick_4b,DisasterTick_NULL,
|
|
665 |
DisasterTick_5_and_6,
|
|
666 |
DisasterTick_5_and_6,
|
|
667 |
};
|
|
668 |
|
|
669 |
|
|
670 |
void DisasterVehicle_Tick(Vehicle *v)
|
|
671 |
{
|
|
672 |
_disastervehicle_tick_procs[v->subtype](v);
|
|
673 |
}
|
|
674 |
|
|
675 |
void HandleClickOnDisasterVeh(Vehicle *v)
|
|
676 |
{
|
|
677 |
// not used
|
|
678 |
}
|
|
679 |
|
|
680 |
void OnNewDay_DisasterVehicle(Vehicle *v)
|
|
681 |
{
|
|
682 |
// not used
|
|
683 |
}
|
|
684 |
|
|
685 |
typedef void DisasterInitProc();
|
|
686 |
|
|
687 |
// Zeppeliner which crashes on a small airport
|
|
688 |
static void Disaster0_Init()
|
|
689 |
{
|
|
690 |
Vehicle *v = ForceAllocateSpecialVehicle(), *u;
|
|
691 |
Station *st;
|
|
692 |
int x;
|
|
693 |
|
|
694 |
if (v == NULL)
|
|
695 |
return;
|
|
696 |
|
|
697 |
for(st=_stations;;) {
|
|
698 |
if (st->xy && st->airport_tile != 0 &&
|
|
699 |
st->airport_type <= 1 &&
|
|
700 |
IS_HUMAN_PLAYER(st->owner)) {
|
|
701 |
x = (GET_TILE_X(st->xy) + 2) * 16;
|
|
702 |
break;
|
|
703 |
}
|
|
704 |
|
|
705 |
if (++st == endof(_stations)) {
|
|
706 |
x = (GET_TILE_X(Random())) * 16 + 8;
|
|
707 |
break;
|
|
708 |
}
|
|
709 |
}
|
|
710 |
|
|
711 |
InitializeDisasterVehicle(v, x, 0, 135, 3, 0);
|
|
712 |
|
|
713 |
// Allocate shadow too?
|
|
714 |
u = ForceAllocateSpecialVehicle();
|
|
715 |
if (u != NULL) {
|
|
716 |
v->next = u;
|
|
717 |
InitializeDisasterVehicle(u,x,0,0,3,1);
|
|
718 |
u->vehstatus |= VS_DISASTER;
|
|
719 |
}
|
|
720 |
}
|
|
721 |
|
|
722 |
static void Disaster1_Init()
|
|
723 |
{
|
|
724 |
Vehicle *v = ForceAllocateSpecialVehicle(), *u;
|
|
725 |
int x;
|
|
726 |
|
|
727 |
if (v == NULL)
|
|
728 |
return;
|
|
729 |
|
|
730 |
x = (GET_TILE_X(Random())) * 16 + 8;
|
|
731 |
|
|
732 |
InitializeDisasterVehicle(v, x, 0, 135, 3, 2);
|
|
733 |
v->dest_tile = TILE_XY(TILES_X/2,TILES_Y/2);
|
|
734 |
v->age = 0;
|
|
735 |
|
|
736 |
// Allocate shadow too?
|
|
737 |
u = ForceAllocateSpecialVehicle();
|
|
738 |
if (u != NULL) {
|
|
739 |
v->next = u;
|
|
740 |
InitializeDisasterVehicle(u,x,0,0,3,3);
|
|
741 |
u->vehstatus |= VS_DISASTER;
|
|
742 |
}
|
|
743 |
}
|
|
744 |
|
|
745 |
static void Disaster2_Init()
|
|
746 |
{
|
|
747 |
Industry *i, *found;
|
|
748 |
Vehicle *v,*u;
|
|
749 |
int x,y;
|
|
750 |
|
|
751 |
for(found=NULL,i=_industries; i != endof(_industries); i++) {
|
|
752 |
if (i->xy != 0 &&
|
|
753 |
i->type == IT_OIL_REFINERY &&
|
|
754 |
(found==NULL || CHANCE16(1,2))) {
|
|
755 |
found = i;
|
|
756 |
}
|
|
757 |
}
|
|
758 |
|
|
759 |
if (found == NULL)
|
|
760 |
return;
|
|
761 |
|
|
762 |
v = ForceAllocateSpecialVehicle();
|
|
763 |
if (v == NULL)
|
|
764 |
return;
|
|
765 |
|
|
766 |
x = (TILES_X+9) * 16 - 1;
|
|
767 |
y = GET_TILE_Y(found->xy)*16 + 37;
|
|
768 |
|
|
769 |
InitializeDisasterVehicle(v,x,y, 135,1,4);
|
|
770 |
|
|
771 |
u = ForceAllocateSpecialVehicle();
|
|
772 |
if (u != NULL) {
|
|
773 |
v->next = u;
|
|
774 |
InitializeDisasterVehicle(u,x,y,0,3,5);
|
|
775 |
u->vehstatus |= VS_DISASTER;
|
|
776 |
}
|
|
777 |
}
|
|
778 |
|
|
779 |
static void Disaster3_Init()
|
|
780 |
{
|
|
781 |
Industry *i, *found;
|
|
782 |
Vehicle *v,*u,*w;
|
|
783 |
int x,y;
|
|
784 |
|
|
785 |
for(found=NULL,i=_industries; i != endof(_industries); i++) {
|
|
786 |
if (i->xy != 0 &&
|
|
787 |
i->type == IT_FACTORY &&
|
|
788 |
(found==NULL || CHANCE16(1,2))) {
|
|
789 |
found = i;
|
|
790 |
}
|
|
791 |
}
|
|
792 |
|
|
793 |
if (found == NULL)
|
|
794 |
return;
|
|
795 |
|
|
796 |
v = ForceAllocateSpecialVehicle();
|
|
797 |
if (v == NULL)
|
|
798 |
return;
|
|
799 |
|
|
800 |
x = -16 * 16;
|
|
801 |
y = GET_TILE_Y(found->xy)*16 + 37;
|
|
802 |
|
|
803 |
InitializeDisasterVehicle(v,x,y, 135,5,6);
|
|
804 |
|
|
805 |
u = ForceAllocateSpecialVehicle();
|
|
806 |
if (u != NULL) {
|
|
807 |
v->next = u;
|
|
808 |
InitializeDisasterVehicle(u,x,y,0,5,7);
|
|
809 |
u->vehstatus |= VS_DISASTER;
|
|
810 |
|
|
811 |
w = ForceAllocateSpecialVehicle();
|
|
812 |
if (w != NULL) {
|
|
813 |
u->next = w;
|
|
814 |
InitializeDisasterVehicle(w,x,y,140,5,8);
|
|
815 |
}
|
|
816 |
}
|
|
817 |
}
|
|
818 |
|
|
819 |
static void Disaster4_Init()
|
|
820 |
{
|
|
821 |
Vehicle *v = ForceAllocateSpecialVehicle(), *u;
|
|
822 |
int x,y;
|
|
823 |
|
|
824 |
if (v == NULL)
|
|
825 |
return;
|
|
826 |
|
|
827 |
x = (GET_TILE_X(Random())) * 16 + 8;
|
|
828 |
|
|
829 |
y = (TILES_X-1)*16-1;
|
|
830 |
InitializeDisasterVehicle(v, x, y, 135, 7, 9);
|
|
831 |
v->dest_tile = TILE_XY(TILES_X/2,TILES_Y/2);
|
|
832 |
v->age = 0;
|
|
833 |
|
|
834 |
// Allocate shadow too?
|
|
835 |
u = ForceAllocateSpecialVehicle();
|
|
836 |
if (u != NULL) {
|
|
837 |
v->next = u;
|
|
838 |
InitializeDisasterVehicle(u,x,y,0,7,10);
|
|
839 |
u->vehstatus |= VS_DISASTER;
|
|
840 |
}
|
|
841 |
}
|
|
842 |
|
|
843 |
// Submarine type 1
|
|
844 |
static void Disaster5_Init()
|
|
845 |
{
|
|
846 |
Vehicle *v = ForceAllocateSpecialVehicle();
|
|
847 |
int x,y;
|
|
848 |
byte dir;
|
|
849 |
uint32 r;
|
|
850 |
|
|
851 |
if (v == NULL)
|
|
852 |
return;
|
|
853 |
|
|
854 |
r = Random();
|
|
855 |
x = (GET_TILE_X(r)) * 16 + 8;
|
|
856 |
|
|
857 |
y = 8;
|
|
858 |
dir = 3;
|
|
859 |
if (r & 0x80000000) { y = (TILES_X-1) * 16 - 8 - 1; dir = 7; }
|
|
860 |
InitializeDisasterVehicle(v, x, y, 0, dir,13);
|
|
861 |
v->age = 0;
|
|
862 |
}
|
|
863 |
|
|
864 |
// Submarine type 2
|
|
865 |
static void Disaster6_Init()
|
|
866 |
{
|
|
867 |
Vehicle *v = ForceAllocateSpecialVehicle();
|
|
868 |
int x,y;
|
|
869 |
byte dir;
|
|
870 |
uint32 r;
|
|
871 |
|
|
872 |
if (v == NULL)
|
|
873 |
return;
|
|
874 |
|
|
875 |
r = Random();
|
|
876 |
x = (GET_TILE_X(r)) * 16 + 8;
|
|
877 |
|
|
878 |
y = 8;
|
|
879 |
dir = 3;
|
|
880 |
if (r & 0x80000000) { y = (TILES_X-1) * 16 - 8 - 1; dir = 7; }
|
|
881 |
InitializeDisasterVehicle(v, x, y, 0, dir,14);
|
|
882 |
v->age = 0;
|
|
883 |
}
|
|
884 |
|
|
885 |
static void Disaster7_Init()
|
|
886 |
{
|
|
887 |
Industry *i;
|
|
888 |
int maxloop = 15;
|
|
889 |
int index = Random() & 0xF;
|
|
890 |
|
|
891 |
do {
|
|
892 |
for(i=_industries; i != endof(_industries); i++) {
|
|
893 |
if (i->xy != 0 && i->type == IT_COAL_MINE && --index < 0) {
|
|
894 |
|
|
895 |
SET_DPARAM16(0, i->town->index);
|
|
896 |
AddNewsItem(STR_B005_COAL_MINE_SUBSIDENCE_LEAVES,
|
|
897 |
NEWS_FLAGS(NM_THIN,NF_VIEWPORT|NF_TILE,NT_ACCIDENT,0), i->xy + TILE_XY(1,1), 0);
|
|
898 |
|
|
899 |
{
|
|
900 |
uint tile = i->xy;
|
|
901 |
int step = _tileoffs_by_dir[Random() & 3];
|
|
902 |
int count = 30;
|
|
903 |
do {
|
|
904 |
DisasterClearSquare(tile);
|
|
905 |
tile = TILE_MASK(tile + step);
|
|
906 |
} while (--count);
|
|
907 |
}
|
|
908 |
return;
|
|
909 |
}
|
|
910 |
}
|
|
911 |
} while (--maxloop != 0);
|
|
912 |
}
|
|
913 |
|
|
914 |
static DisasterInitProc * const _disaster_initprocs[] = {
|
|
915 |
Disaster0_Init,
|
|
916 |
Disaster1_Init,
|
|
917 |
Disaster2_Init,
|
|
918 |
Disaster3_Init,
|
|
919 |
Disaster4_Init,
|
|
920 |
Disaster5_Init,
|
|
921 |
Disaster6_Init,
|
|
922 |
Disaster7_Init,
|
|
923 |
};
|
|
924 |
|
|
925 |
typedef struct {
|
|
926 |
byte min,max;
|
|
927 |
} DisasterYears;
|
|
928 |
|
|
929 |
#define MK(a,b) {a-20,b-20}
|
|
930 |
static const DisasterYears _dis_years[8] = {
|
|
931 |
MK(30,55),
|
|
932 |
MK(40,70),
|
|
933 |
MK(60,90),
|
|
934 |
MK(70,100),
|
|
935 |
MK(100,200),
|
|
936 |
MK(40,65),
|
|
937 |
MK(75,110),
|
|
938 |
MK(50,85),
|
|
939 |
};
|
|
940 |
|
|
941 |
|
|
942 |
void DoDisaster()
|
|
943 |
{
|
|
944 |
byte buf[8];
|
|
945 |
byte year = _cur_year;
|
|
946 |
int i,j;
|
|
947 |
|
|
948 |
for(i=j=0; i!=lengthof(_dis_years); i++) {
|
|
949 |
if (year >= _dis_years[i].min &&
|
|
950 |
year < _dis_years[i].max)
|
|
951 |
buf[j++] = i;
|
|
952 |
}
|
|
953 |
|
|
954 |
if (j == 0)
|
|
955 |
return;
|
|
956 |
|
|
957 |
_disaster_initprocs[buf[(uint16)Random() * j >> 16]]();
|
|
958 |
}
|
|
959 |
|
|
960 |
|
|
961 |
static void ResetDisasterDelay()
|
|
962 |
{
|
|
963 |
_disaster_delay = (int)(Random() & 0x1FF) + 730;
|
|
964 |
}
|
|
965 |
|
|
966 |
void DisasterDailyLoop()
|
|
967 |
{
|
|
968 |
if (--_disaster_delay != 0)
|
|
969 |
return;
|
|
970 |
|
|
971 |
ResetDisasterDelay();
|
|
972 |
|
|
973 |
if (_opt.diff.disasters != 0)
|
|
974 |
DoDisaster();
|
|
975 |
}
|
|
976 |
|
|
977 |
void StartupDisasters() {
|
|
978 |
ResetDisasterDelay();
|
|
979 |
}
|
|
980 |
|