#include "stdafx.h"
#include "ttd.h"
#include "table/strings.h"
#include "map.h"
#include "tile.h"
#include "viewport.h"
#include "command.h"
#include "town.h"
#include "sound.h"
static int GetRandomTreeType(TileIndex tile, uint seed)
{
switch (_opt.landscape) {
case LT_NORMAL:
return seed * 12 >> 8;
case LT_HILLY:
return (seed >> 5) + 12;
case LT_DESERT:
switch (GetMapExtraBits(tile)) {
case 0:
return (seed >> 6) + 28;
case 1:
return (seed > 12) ? -1 : 27;
default:
return (seed * 7 >> 8) + 20;
}
default:
return (seed * 9 >> 8) + 32;
}
}
static void PlaceTree(uint tile, uint32 r, byte m5_or)
{
int tree = GetRandomTreeType(tile, (r >> 24));
byte m5;
if (tree >= 0) {
m5 = (byte)(r >> 16);
if ((m5 & 0x7) == 7) m5--; // there is no growth state 7
_map5[tile] = m5 & 0x07; // growth state;
_map5[tile] |= m5 & 0xC0; // amount of trees
_map3_lo[tile] = tree; // set type of tree
_map3_hi[tile] = 0; // no hedge
// above snowline?
if (_opt.landscape == LT_HILLY && GetTileZ(tile) > _opt.snow_line) {
_map2[tile] = 0xE0; // set land type to snow
_map2[tile] |= (byte)(r >> 24)&0x07; // randomize counter
}
else
{
_map2[tile] = (byte)(r >> 24)&0x1F; // randomize counter and ground
}
// make it tree class
SetTileType(tile, MP_TREES);
}
}
static void DoPlaceMoreTrees(uint tile)
{
int i = 1000;
int x,y;
uint cur_tile;
int dist;
do {
uint32 r = Random();
x = (r & 0x1F) - 16;
y = ((r>>8) & 0x1F) - 16;
dist = myabs(x) + myabs(y);
cur_tile = TILE_MASK(tile + TILE_XY(x,y));
/* Only on tiles within 13 squares from tile,
on clear tiles, and NOT on farm-tiles or rocks */
if (dist <= 13 && IsTileType(cur_tile, MP_CLEAR) &&
(_map5[cur_tile] & 0x1F) != 0x0F && (_map5[cur_tile] & 0x1C) != 8) {
PlaceTree(cur_tile, r, dist <= 6 ? 0xC0 : 0);
}
} while (--i);
}
static void PlaceMoreTrees(void)
{
int i = ScaleByMapSize((Random() & 0x1F) + 25);
do {
DoPlaceMoreTrees(TILE_MASK(Random()));
} while (--i);
}
void PlaceTreesRandomly(void)
{
int i;
uint32 r;
uint tile;
i = ScaleByMapSize(1000);
do {
r = Random();
tile = TILE_MASK(r);
/* Only on clear tiles, and NOT on farm-tiles or rocks */
if (IsTileType(tile, MP_CLEAR) && (_map5[tile] & 0x1F) != 0x0F && (_map5[tile] & 0x1C) != 8) {
PlaceTree(tile, r, 0);
}
} while (--i);
/* place extra trees at rainforest area */
if (_opt.landscape == LT_DESERT) {
i = ScaleByMapSize(15000);
do {
r = Random();
tile = TILE_MASK(r);
if (IsTileType(tile, MP_CLEAR) && GetMapExtraBits(tile) == 2) {
PlaceTree(tile, r, 0);
}
} while (--i);
}
}
void GenerateTrees(void)
{
int i;
if (_opt.landscape != LT_CANDY) {
PlaceMoreTrees();
}
i = _opt.landscape == LT_HILLY ? 15 : 6;
do {
PlaceTreesRandomly();
} while (--i);
}
/* Plant a tree
* p1 = tree type, -1 means random.
* p2 = end tile
*/
int32 CmdPlantTree(int ex, int ey, uint32 flags, uint32 p1, uint32 p2)
{
int32 cost;
int sx;
int sy;
int x;
int y;
if (p2 >= MapSize()) return CMD_ERROR;
SET_EXPENSES_TYPE(EXPENSES_OTHER);
// make sure sx,sy are smaller than ex,ey
sx = TileX(p2) * 16;
sy = TileY(p2) * 16;
if (ex < sx) intswap(ex, sx);
if (ey < sy) intswap(ey, sy);
cost = 0; // total cost
for (x = sx; x <= ex; x += 16) {
for (y = sy; y <= ey; y += 16) {
TileInfo ti;
FindLandscapeHeight(&ti, x, y);
if (!EnsureNoVehicle(ti.tile))
continue;
switch (ti.type) {
case MP_TREES:
// no more space for trees?
if (_game_mode != GM_EDITOR && (ti.map5 & 0xC0) == 0xC0) {
_error_message = STR_2803_TREE_ALREADY_HERE;
continue;
}
if (flags & DC_EXEC) {
_map5[ti.tile] = ti.map5 + 0x40;
MarkTileDirtyByTile(ti.tile);
}
// 2x as expensive to add more trees to an existing tile
cost += _price.build_trees * 2;
break;
case MP_CLEAR:
if (_map_owner[ti.tile] != OWNER_NONE) {
_error_message = STR_2804_SITE_UNSUITABLE;
continue;
}
// it's expensive to clear farmland
if ((ti.map5 & 0x1F) == 0xF)
cost += _price.clear_3;
else if ((ti.map5 & 0x1C) == 8)
cost += _price.clear_2;
if (flags & DC_EXEC) {
int treetype;
int m2;
if (_game_mode != GM_EDITOR && _current_player < MAX_PLAYERS) {
Town *t = ClosestTownFromTile(ti.tile, _patches.dist_local_authority);
if (t != NULL)
ChangeTownRating(t, RATING_TREE_UP_STEP, RATING_TREE_MAXIMUM);
}
switch (ti.map5 & 0x1C) {
case 0x04:
m2 = 16;
break;
case 0x10:
m2 = ((ti.map5 & 3) << 6) | 0x20;
break;
default:
m2 = 0;
break;
}
treetype = p1;
if (treetype == -1) {
treetype = GetRandomTreeType(ti.tile, Random() >> 24);
if (treetype == -1) treetype = 27;
}
ModifyTile(ti.tile,
MP_SETTYPE(MP_TREES) |
MP_MAP2 | MP_MAP3LO | MP_MAP3HI_CLEAR | MP_MAP5,
m2, /* map2 */
treetype, /* map3lo */
_game_mode == GM_EDITOR ? 3 : 0 /* map5 */
);
if (_game_mode == GM_EDITOR && IS_BYTE_INSIDE(treetype, 0x14, 0x1B))
SetMapExtraBits(ti.tile, 2);
}
cost += _price.build_trees;
break;
default:
_error_message = STR_2804_SITE_UNSUITABLE;
break;
}
}
}
if (cost == 0) return CMD_ERROR;
return cost;
}
typedef struct TreeListEnt {
uint32 image;
byte x,y;
} TreeListEnt;
#include "table/tree_land.h"
static void DrawTile_Trees(TileInfo *ti)
{
uint16 m2;
const uint32 *s;
const byte *d;
byte z;
TreeListEnt te[4];
m2 = _map2[ti->tile];
if ( (m2&0x30) == 0) {
DrawClearLandTile(ti, 3);
} else if ((m2&0x30) == 0x20) {
DrawGroundSprite(_tree_sprites_1[m2 >> 6] + _tileh_to_sprite[ti->tileh]);
} else {
DrawHillyLandTile(ti);
}
DrawClearLandFence(ti, _map3_hi[ti->tile] >> 2);
z = ti->z;
if (ti->tileh != 0) {
z += 4;
if (ti->tileh & 0x10)
z += 4;
}
{
uint16 tmp = ti->x;
uint index;
tmp = (tmp >> 2) | (tmp << 14);
tmp -= ti->y;
tmp = (tmp >> 3) | (tmp << 13);
tmp -= ti->x;
tmp = (tmp >> 1) | (tmp << 15);
tmp += ti->y;
d = _tree_layout_xy[(tmp & 0x30) >> 4];
index = ((tmp>>6)&3) + (_map3_lo[ti->tile]<<2);
/* different tree styles above one of the grounds */
if ((m2 & 0xB0) == 0xA0 && index >= 48 && index < 80)
index += 164 - 48;
assert(index < lengthof(_tree_layout_sprite));
s = _tree_layout_sprite[index];
}
StartSpriteCombine();
if (!(_display_opt & DO_TRANS_BUILDINGS) || !_patches.invisible_trees)
{
int i;
/* put the trees to draw in a list */
i = (ti->map5 >> 6) + 1;
do {
uint32 image = s[0] + (--i==0 ? (ti->map5 & 7) : 3);
if (_display_opt & DO_TRANS_BUILDINGS)
image = (image & 0x3FFF) | 0x3224000;
te[i].image = image;
te[i].x = d[0];
te[i].y = d[1];
s++;
d+=2;
} while (i);
/* draw them in a sorted way */
for(;;) {
byte min = 0xFF;
TreeListEnt *tep = NULL;
i = (ti->map5 >> 6) + 1;
do {
if (te[--i].image!=0 && (byte)(te[i].x + te[i].y) < min) {
min = te[i].x + te[i].y;
tep = &te[i];
}
} while (i);
if (tep == NULL)
break;
AddSortableSpriteToDraw(tep->image, ti->x + tep->x, ti->y + tep->y, 5, 5, 0x10, z);
tep->image = 0;
}
}
EndSpriteCombine();
}
static uint GetSlopeZ_Trees(TileInfo *ti) {
return GetPartialZ(ti->x&0xF, ti->y&0xF, ti->tileh) + ti->z;
}
static uint GetSlopeTileh_Trees(TileInfo *ti) {
return ti->tileh;
}
static int32 ClearTile_Trees(uint tile, byte flags) {
int num;
if (flags & DC_EXEC && _current_player < MAX_PLAYERS) {
Town *t = ClosestTownFromTile(tile, _patches.dist_local_authority);
if (t != NULL)
ChangeTownRating(t, RATING_TREE_DOWN_STEP, RATING_TREE_MINIMUM);
}
num = (_map5[tile] >> 6) + 1;
if ( (byte)(_map3_lo[tile]-0x14) <= (0x1A-0x14))
num <<= 2;
if (flags & DC_EXEC)
DoClearSquare(tile);
return num * _price.remove_trees;
}
static void GetAcceptedCargo_Trees(uint tile, AcceptedCargo ac)
{
/* not used */
}
static void GetTileDesc_Trees(uint tile, TileDesc *td)
{
byte b;
StringID str;
td->owner = _map_owner[tile];
b = _map3_lo[tile];
(str=STR_2810_CACTUS_PLANTS, b==0x1B) ||
(str=STR_280F_RAINFOREST, IS_BYTE_INSIDE(b, 0x14, 0x1A+1)) ||
(str=STR_280E_TREES, true);
td->str = str;
}
static void AnimateTile_Trees(uint tile)
{
/* not used */
}
static SoundFx _desert_sounds[] = {
SND_42_LOON_BIRD,
SND_43_LION,
SND_44_MONKEYS,
SND_48_DISTANT_BIRD
};
static void TileLoopTreesDesert(uint tile)
{
byte b;
if ((b=GetMapExtraBits(tile)) == 2) {
uint32 r;
if (CHANCE16I(1,200,r=Random())) {
SndPlayTileFx(_desert_sounds[(r >> 16) & 3], tile);
}
} else if (b == 1) {
if ((_map2[tile] & 0x30) != 0x20) {
_map2[tile] &= 0xF;
_map2[tile] |= 0xE0;
MarkTileDirtyByTile(tile);
}
}
}
static void TileLoopTreesAlps(uint tile)
{
byte tmp, m2;
int k;
/* distance from snow line, in steps of 8 */
k = GetTileZ(tile) - _opt.snow_line;
tmp = _map5[tile] & 0xF0;
if (k < -8) {
/* snow_m2_down */
if ((tmp&0x30) != 0x20)
return;
m2 = 0;
} else if (k == -8) {
/* snow_m1 */
m2 = 0x20;
if (tmp == m2)
return;
} else if (k < 8) {
/* snow_0 */
m2 = 0x60;
if (tmp == m2)
return;
} else if (k == 8) {
/* snow_p1 */
m2 = 0xA0;
if (tmp == m2)
return;
} else {
/* snow_p2_up */
if (tmp == 0xC0) {
uint32 r;
if (CHANCE16I(1,200,r=Random())) {
SndPlayTileFx((r & 0x80000000) ? SND_39_HEAVY_WIND : SND_34_WIND, tile);
}
return;
} else {
m2 = 0xE0;
}
}
_map2[tile] &= 0xF;
_map2[tile] |= m2;
MarkTileDirtyByTile(tile);
}
static void TileLoop_Trees(uint tile)
{
byte m5;
uint16 m2;
static const TileIndexDiffC _tileloop_trees_dir[] = {
{-1, -1},
{ 0, -1},
{ 1, -1},
{-1, 0},
{ 1, 0},
{-1, 1},
{ 0, 1},
{ 1, 1}
};
if (_opt.landscape == LT_DESERT) {
TileLoopTreesDesert(tile);
} else if (_opt.landscape == LT_HILLY) {
TileLoopTreesAlps(tile);
}
TileLoopClearHelper(tile);
/* increase counter */
{
uint16 m2 = _map2[tile];
_map2[tile] = m2 = (m2 & 0xF0) | ((m2+1)&0xF);
if (m2 & 0xF)
return;
}
m5 = _map5[tile];
if ((m5&7) == 3) {
/* regular sized tree */
if (_opt.landscape == LT_DESERT && _map3_lo[tile]!=0x1B && GetMapExtraBits(tile)==1) {
m5++; /* start destructing */
} else {
switch(Random() & 0x7) {
case 0: /* start destructing */
m5++;
break;
case 1: /* add a tree */
if (m5 < 0xC0) {
m5 = (m5 + 0x40) & ~7;
break;
}
/* fall through */
case 2: { /* add a neighbouring tree */
byte m3 = _map3_lo[tile];
tile += ToTileIndexDiff(_tileloop_trees_dir[Random() & 7]);
if (!IsTileType(tile, MP_CLEAR))
return;
if ( (_map5[tile] & 0x1C) == 4) {
_map2[tile] = 0x10;
} else if ((_map5[tile] & 0x1C) == 16) {
_map2[tile] = ((_map5[tile] & 3) << 6) | 0x20;
} else {
if ((_map5[tile] & 0x1F) != 3)
return;
_map2[tile] = 0;
}
_map3_lo[tile] = m3;
_map3_hi[tile] = 0;
SetTileType(tile, MP_TREES);
m5 = 0;
break;
}
default:
return;
}
}
} else if ((m5&7) == 6) {
/* final stage of tree destruction */
if (m5 & 0xC0) {
/* more than one tree, delete it? */
m5 = ((m5 - 6) - 0x40) + 3;
} else {
/* just one tree, change type into MP_CLEAR */
SetTileType(tile, MP_CLEAR);
m5 = 3;
m2 = _map2[tile];
if ((m2&0x30) != 0) { // on snow/desert or rough land
m5 = (m2 >> 6) | 0x10;
if ((m2&0x30) != 0x20) // if not on snow/desert, then on rough land
m5 = 7;
}
_map_owner[tile] = OWNER_NONE;
}
} else {
/* in the middle of a transition, change to next */
m5++;
}
_map5[tile] = m5;
MarkTileDirtyByTile(tile);
}
void OnTick_Trees(void)
{
uint32 r;
uint tile;
byte m;
int tree;
/* place a tree at a random rainforest spot */
if (_opt.landscape == LT_DESERT &&
(r=Random(),tile=TILE_MASK(r),GetMapExtraBits(tile)==2) &&
IsTileType(tile, MP_CLEAR) &&
(m=_map5[tile]&0x1C, m<=4) &&
(tree=GetRandomTreeType(tile, r>>24)) >= 0) {
ModifyTile(tile,
MP_SETTYPE(MP_TREES) |
MP_MAP2 | MP_MAP3LO | MP_MAP3HI | MP_MAP5,
(m == 4 ? 0x10 : 0),
tree,
_map3_hi[tile] & ~3,
0
);
}
// byte underflow
if (--_trees_tick_ctr)
return;
/* place a tree at a random spot */
r = Random();
tile = TILE_MASK(r);
if (IsTileType(tile, MP_CLEAR) &&
(m=_map5[tile]&0x1C, m==0 || m==4 || m==0x10) &&
(tree=GetRandomTreeType(tile, r>>24)) >= 0) {
int m2;
if (m == 0) {
m2 = 0;
} else if (m == 4) {
m2 = 0x10;
} else {
m2 = ((_map5[tile] & 3) << 6) | 0x20;
}
ModifyTile(tile,
MP_SETTYPE(MP_TREES) |
MP_MAP2 | MP_MAP3LO | MP_MAP3HI | MP_MAP5,
m2,
tree,
_map3_hi[tile] & ~3,
0
);
}
}
static void ClickTile_Trees(uint tile)
{
/* not used */
}
static uint32 GetTileTrackStatus_Trees(uint tile, TransportType mode)
{
return 0;
}
static void ChangeTileOwner_Trees(uint tile, byte old_player, byte new_player)
{
/* not used */
}
void InitializeTrees(void)
{
_trees_tick_ctr = 0;
}
const TileTypeProcs _tile_type_trees_procs = {
DrawTile_Trees, /* draw_tile_proc */
GetSlopeZ_Trees, /* get_slope_z_proc */
ClearTile_Trees, /* clear_tile_proc */
GetAcceptedCargo_Trees, /* get_accepted_cargo_proc */
GetTileDesc_Trees, /* get_tile_desc_proc */
GetTileTrackStatus_Trees, /* get_tile_track_status_proc */
ClickTile_Trees, /* click_tile_proc */
AnimateTile_Trees, /* animate_tile_proc */
TileLoop_Trees, /* tile_loop_clear */
ChangeTileOwner_Trees, /* change_tile_owner_clear */
NULL, /* get_produced_cargo_proc */
NULL, /* vehicle_enter_tile_proc */
NULL, /* vehicle_leave_tile_proc */
GetSlopeTileh_Trees, /* get_slope_tileh_proc */
};