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df4f4253daa90582073a56a79088c3398241d2d8
openttd/tree_cmd.c

599 lines
14 KiB
C
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/* $Id$ */
#include "stdafx.h"
#include "openttd.h"
#include "clear_map.h"
#include "table/strings.h"
#include "table/sprites.h"
#include "table/tree_land.h"
#include "functions.h"
#include "map.h"
#include "tile.h"
#include "tree_map.h"
#include "viewport.h"
#include "command.h"
#include "town.h"
#include "sound.h"
#include "variables.h"
static TreeType GetRandomTreeType(TileIndex tile, uint seed)
{
switch (_opt.landscape) {
case LT_NORMAL:
return seed * TREE_COUNT_TEMPERATE / 256 + TREE_TEMPERATE;
case LT_HILLY:
return seed * TREE_COUNT_SUB_ARCTIC / 256 + TREE_SUB_ARCTIC;
case LT_DESERT:
switch (GetTropicZone(tile)) {
case TROPICZONE_INVALID: return seed * TREE_COUNT_SUB_TROPICAL / 256 + TREE_SUB_TROPICAL;
case TROPICZONE_DESERT: return (seed > 12) ? TREE_INVALID : TREE_CACTUS;
default: return seed * TREE_COUNT_RAINFOREST / 256 + TREE_RAINFOREST;
}
default:
return seed * TREE_COUNT_TOYLAND / 256 + TREE_TOYLAND;
}
}
static void PlaceTree(TileIndex tile, uint32 r)
{
TreeType tree = GetRandomTreeType(tile, GB(r, 24, 8));
if (tree != TREE_INVALID) {
MakeTree(tile, tree, GB(r, 22, 2), min(GB(r, 16, 3), 6), TREE_GROUND_GRASS, 0);
// above snowline?
if (_opt.landscape == LT_HILLY && GetTileZ(tile) > _opt.snow_line) {
SetTreeGroundDensity(tile, TREE_GROUND_SNOW_DESERT, 3);
SetTreeCounter(tile, GB(r, 24, 3));
} else {
SetTreeGroundDensity(tile, GB(r, 28, 1), 0);
SetTreeCounter(tile, GB(r, 24, 4));
}
}
}
static void DoPlaceMoreTrees(TileIndex tile)
{
uint i;
for (i = 0; i < 1000; i++) {
uint32 r = Random();
int x = GB(r, 0, 5) - 16;
int y = GB(r, 8, 5) - 16;
uint dist = myabs(x) + myabs(y);
TileIndex cur_tile = TILE_MASK(tile + TileDiffXY(x, y));
if (dist <= 13 &&
IsTileType(cur_tile, MP_CLEAR) &&
!IsClearGround(cur_tile, CLEAR_FIELDS) &&
!IsClearGround(cur_tile, CLEAR_ROCKS)) {
PlaceTree(cur_tile, r);
}
}
}
static void PlaceMoreTrees(void)
{
uint i = ScaleByMapSize(GB(Random(), 0, 5) + 25);
do {
DoPlaceMoreTrees(RandomTile());
} while (--i);
}
void PlaceTreesRandomly(void)
{
uint i;
i = ScaleByMapSize(1000);
do {
uint32 r = Random();
TileIndex tile = RandomTileSeed(r);
if (IsTileType(tile, MP_CLEAR) &&
!IsClearGround(tile, CLEAR_FIELDS) &&
!IsClearGround(tile, CLEAR_ROCKS)) {
PlaceTree(tile, r);
}
} while (--i);
/* place extra trees at rainforest area */
if (_opt.landscape == LT_DESERT) {
i = ScaleByMapSize(15000);
do {
uint32 r = Random();
TileIndex tile = RandomTileSeed(r);
if (IsTileType(tile, MP_CLEAR) && GetTropicZone(tile) == TROPICZONE_RAINFOREST) {
PlaceTree(tile, r);
}
} while (--i);
}
}
void GenerateTrees(void)
{
uint i;
if (_opt.landscape != LT_CANDY) PlaceMoreTrees();
for (i = _opt.landscape == LT_HILLY ? 15 : 6; i != 0; i--) {
PlaceTreesRandomly();
}
}
/** Plant a tree.
* @param tile start tile of area-drag of tree plantation
* @param p1 tree type, -1 means random.
* @param p2 end tile of area-drag
*/
int32 CmdPlantTree(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
{
StringID msg = INVALID_STRING_ID;
int32 cost;
int ex;
int ey;
int sx, sy, x, y;
if (p2 >= MapSize()) return CMD_ERROR;
/* Check the tree type. It can be random or some valid value within the current climate */
if (p1 != (uint)-1 && p1 - _tree_base_by_landscape[_opt.landscape] >= _tree_count_by_landscape[_opt.landscape]) return CMD_ERROR;
SET_EXPENSES_TYPE(EXPENSES_OTHER);
// make sure sx,sy are smaller than ex,ey
ex = TileX(tile);
ey = TileY(tile);
sx = TileX(p2);
sy = TileY(p2);
if (ex < sx) intswap(ex, sx);
if (ey < sy) intswap(ey, sy);
cost = 0; // total cost
for (x = sx; x <= ex; x++) {
for (y = sy; y <= ey; y++) {
TileIndex tile = TileXY(x, y);
if (!EnsureNoVehicle(tile)) continue;
switch (GetTileType(tile)) {
case MP_TREES:
// no more space for trees?
if (_game_mode != GM_EDITOR && GetTreeCount(tile) == 3) {
msg = STR_2803_TREE_ALREADY_HERE;
continue;
}
if (flags & DC_EXEC) {
AddTreeCount(tile, 1);
MarkTileDirtyByTile(tile);
}
// 2x as expensive to add more trees to an existing tile
cost += _price.build_trees * 2;
break;
case MP_CLEAR:
if (!IsTileOwner(tile, OWNER_NONE)) {
msg = STR_2804_SITE_UNSUITABLE;
continue;
}
switch (GetClearGround(tile)) {
case CLEAR_FIELDS: cost += _price.clear_3; break;
case CLEAR_ROCKS: cost += _price.clear_2; break;
default: break;
}
if (flags & DC_EXEC) {
TreeType treetype;
uint growth;
if (_game_mode != GM_EDITOR && _current_player < MAX_PLAYERS) {
Town *t = ClosestTownFromTile(tile, _patches.dist_local_authority);
if (t != NULL)
ChangeTownRating(t, RATING_TREE_UP_STEP, RATING_TREE_MAXIMUM);
}
treetype = p1;
if (treetype == TREE_INVALID) {
treetype = GetRandomTreeType(tile, GB(Random(), 24, 8));
if (treetype == TREE_INVALID) treetype = TREE_CACTUS;
}
growth = _game_mode == GM_EDITOR ? 3 : 0;
switch (GetClearGround(tile)) {
case CLEAR_ROUGH: MakeTree(tile, treetype, 0, growth, TREE_GROUND_ROUGH, 0); break;
case CLEAR_SNOW: MakeTree(tile, treetype, 0, growth, TREE_GROUND_SNOW_DESERT, GetClearDensity(tile)); break;
default: MakeTree(tile, treetype, 0, growth, TREE_GROUND_GRASS, 0); break;
}
MarkTileDirtyByTile(tile);
if (_game_mode == GM_EDITOR && IS_INT_INSIDE(treetype, TREE_RAINFOREST, TREE_CACTUS))
SetTropicZone(tile, TROPICZONE_RAINFOREST);
}
cost += _price.build_trees;
break;
default:
msg = STR_2804_SITE_UNSUITABLE;
break;
}
}
}
if (cost == 0) {
return_cmd_error(msg);
} else {
return cost;
}
}
typedef struct TreeListEnt {
uint32 image;
byte x,y;
} TreeListEnt;
static void DrawTile_Trees(TileInfo *ti)
{
const uint32 *s;
const TreePos* d;
byte z;
switch (GetTreeGround(ti->tile)) {
case TREE_GROUND_GRASS: DrawClearLandTile(ti, 3); break;
case TREE_GROUND_ROUGH: DrawHillyLandTile(ti); break;
default: DrawGroundSprite(_tree_sprites_1[GetTreeDensity(ti->tile)] + _tileh_to_sprite[ti->tileh]); break;
}
DrawClearLandFence(ti);
z = ti->z;
if (ti->tileh != SLOPE_FLAT) {
z += 4;
if (IsSteepSlope(ti->tileh)) z += 4;
}
{
uint16 tmp = ti->x;
uint index;
tmp = ROR(tmp, 2);
tmp -= ti->y;
tmp = ROR(tmp, 3);
tmp -= ti->x;
tmp = ROR(tmp, 1);
tmp += ti->y;
d = _tree_layout_xy[GB(tmp, 4, 2)];
index = GB(tmp, 6, 2) + (GetTreeType(ti->tile) << 2);
/* different tree styles above one of the grounds */
if (GetTreeGround(ti->tile) == TREE_GROUND_SNOW_DESERT &&
GetTreeDensity(ti->tile) >= 2 &&
IS_INT_INSIDE(index, TREE_SUB_ARCTIC << 2, TREE_RAINFOREST << 2)) {
index += 164 - (TREE_SUB_ARCTIC << 2);
}
assert(index < lengthof(_tree_layout_sprite));
s = _tree_layout_sprite[index];
}
StartSpriteCombine();
if (!(_display_opt & DO_TRANS_BUILDINGS) || !_patches.invisible_trees) {
TreeListEnt te[4];
uint i;
/* put the trees to draw in a list */
i = GetTreeCount(ti->tile) + 1;
do {
uint32 image = s[0] + (--i == 0 ? GetTreeGrowth(ti->tile) : 3);
if (_display_opt & DO_TRANS_BUILDINGS) MAKE_TRANSPARENT(image);
te[i].image = image;
te[i].x = d->x;
te[i].y = d->y;
s++;
d++;
} while (i);
/* draw them in a sorted way */
for (;;) {
byte min = 0xFF;
TreeListEnt *tep = NULL;
i = GetTreeCount(ti->tile) + 1;
do {
if (te[--i].image != 0 && 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(TileIndex tile, uint x, uint y)
{
uint z;
uint tileh = GetTileSlope(tile, &z);
return z + GetPartialZ(x & 0xF, y & 0xF, tileh);
}
static Slope GetSlopeTileh_Trees(TileIndex tile, Slope tileh)
{
return tileh;
}
static int32 ClearTile_Trees(TileIndex tile, byte flags)
{
uint 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 = GetTreeCount(tile) + 1;
if (IS_INT_INSIDE(GetTreeType(tile), TREE_RAINFOREST, TREE_CACTUS)) num *= 4;
if (flags & DC_EXEC) DoClearSquare(tile);
return num * _price.remove_trees;
}
static void GetAcceptedCargo_Trees(TileIndex tile, AcceptedCargo ac)
{
/* not used */
}
static void GetTileDesc_Trees(TileIndex tile, TileDesc *td)
{
TreeType tt = GetTreeType(tile);
if (IS_INT_INSIDE(tt, TREE_RAINFOREST, TREE_CACTUS)) {
td->str = STR_280F_RAINFOREST;
} else if (tt == TREE_CACTUS) {
td->str = STR_2810_CACTUS_PLANTS;
} else {
td->str = STR_280E_TREES;
}
td->owner = GetTileOwner(tile);
}
static void AnimateTile_Trees(TileIndex tile)
{
/* not used */
}
static void TileLoopTreesDesert(TileIndex tile)
{
switch (GetTropicZone(tile)) {
case TROPICZONE_DESERT:
if (GetTreeGround(tile) != TREE_GROUND_SNOW_DESERT) {
SetTreeGroundDensity(tile, TREE_GROUND_SNOW_DESERT, 3);
MarkTileDirtyByTile(tile);
}
break;
case TROPICZONE_RAINFOREST: {
static const SoundFx forest_sounds[] = {
SND_42_LOON_BIRD,
SND_43_LION,
SND_44_MONKEYS,
SND_48_DISTANT_BIRD
};
uint32 r = Random();
if (CHANCE16I(1, 200, r)) SndPlayTileFx(forest_sounds[GB(r, 16, 2)], tile);
break;
}
default: break;
}
}
static void TileLoopTreesAlps(TileIndex tile)
{
int k = GetTileZ(tile) - _opt.snow_line + TILE_HEIGHT;
if (k < 0) {
if (GetTreeGround(tile) != TREE_GROUND_SNOW_DESERT) return;
SetTreeGroundDensity(tile, TREE_GROUND_GRASS, 0);
} else {
uint density = min((uint)k / TILE_HEIGHT, 3);
if (GetTreeGround(tile) != TREE_GROUND_SNOW_DESERT ||
GetTreeDensity(tile) != density) {
SetTreeGroundDensity(tile, TREE_GROUND_SNOW_DESERT, density);
} else {
if (GetTreeDensity(tile) == 3) {
uint32 r = Random();
if (CHANCE16I(1, 200, r)) {
SndPlayTileFx((r & 0x80000000) ? SND_39_HEAVY_WIND : SND_34_WIND, tile);
}
}
return;
}
}
MarkTileDirtyByTile(tile);
}
static void TileLoop_Trees(TileIndex tile)
{
static const TileIndexDiffC _tileloop_trees_dir[] = {
{-1, -1},
{ 0, -1},
{ 1, -1},
{-1, 0},
{ 1, 0},
{-1, 1},
{ 0, 1},
{ 1, 1}
};
switch (_opt.landscape) {
case LT_DESERT: TileLoopTreesDesert(tile); break;
case LT_HILLY: TileLoopTreesAlps(tile); break;
}
TileLoopClearHelper(tile);
if (GetTreeCounter(tile) < 15) {
AddTreeCounter(tile, 1);
return;
}
SetTreeCounter(tile, 0);
switch (GetTreeGrowth(tile)) {
case 3: /* regular sized tree */
if (_opt.landscape == LT_DESERT &&
GetTreeType(tile) != TREE_CACTUS &&
GetTropicZone(tile) == TROPICZONE_DESERT) {
AddTreeGrowth(tile, 1);
} else {
switch (GB(Random(), 0, 3)) {
case 0: /* start destructing */
AddTreeGrowth(tile, 1);
break;
case 1: /* add a tree */
if (GetTreeCount(tile) < 3) {
AddTreeCount(tile, 1);
SetTreeGrowth(tile, 0);
break;
}
/* FALL THROUGH */
case 2: { /* add a neighbouring tree */
TreeType treetype = GetTreeType(tile);
tile += ToTileIndexDiff(_tileloop_trees_dir[Random() & 7]);
if (!IsTileType(tile, MP_CLEAR)) return;
switch (GetClearGround(tile)) {
case CLEAR_GRASS:
if (GetClearDensity(tile) != 3) return;
MakeTree(tile, treetype, 0, 0, TREE_GROUND_GRASS, 0);
break;
case CLEAR_ROUGH: MakeTree(tile, treetype, 0, 0, TREE_GROUND_ROUGH, 0); break;
case CLEAR_SNOW: MakeTree(tile, treetype, 0, 0, TREE_GROUND_SNOW_DESERT, GetClearDensity(tile)); break;
default: return;
}
break;
}
default:
return;
}
}
break;
case 6: /* final stage of tree destruction */
if (GetTreeCount(tile) > 0) {
/* more than one tree, delete it */
AddTreeCount(tile, -1);
SetTreeGrowth(tile, 3);
} else {
/* just one tree, change type into MP_CLEAR */
switch (GetTreeGround(tile)) {
case TREE_GROUND_GRASS: MakeClear(tile, CLEAR_GRASS, 3); break;
case TREE_GROUND_ROUGH: MakeClear(tile, CLEAR_ROUGH, 3); break;
default: MakeClear(tile, CLEAR_SNOW, GetTreeDensity(tile)); break;
}
}
break;
default:
AddTreeGrowth(tile, 1);
break;
}
MarkTileDirtyByTile(tile);
}
void OnTick_Trees(void)
{
uint32 r;
TileIndex tile;
ClearGround ct;
TreeType tree;
/* place a tree at a random rainforest spot */
if (_opt.landscape == LT_DESERT &&
(r = Random(), tile = RandomTileSeed(r), GetTropicZone(tile) == TROPICZONE_RAINFOREST) &&
IsTileType(tile, MP_CLEAR) &&
(ct = GetClearGround(tile), ct == CLEAR_GRASS || ct == CLEAR_ROUGH) &&
(tree = GetRandomTreeType(tile, GB(r, 24, 8))) != TREE_INVALID) {
MakeTree(tile, tree, 0, 0, ct == CLEAR_ROUGH ? TREE_GROUND_ROUGH : TREE_GROUND_GRASS, 0);
}
// byte underflow
if (--_trees_tick_ctr != 0) return;
/* place a tree at a random spot */
r = Random();
tile = TILE_MASK(r);
if (IsTileType(tile, MP_CLEAR) &&
(ct = GetClearGround(tile), ct == CLEAR_GRASS || ct == CLEAR_ROUGH || ct == CLEAR_SNOW) &&
(tree = GetRandomTreeType(tile, GB(r, 24, 8))) != TREE_INVALID) {
switch (ct) {
case CLEAR_GRASS: MakeTree(tile, tree, 0, 0, TREE_GROUND_GRASS, 0); break;
case CLEAR_ROUGH: MakeTree(tile, tree, 0, 0, TREE_GROUND_ROUGH, 0); break;
default: MakeTree(tile, tree, 0, 0, TREE_GROUND_SNOW_DESERT, GetClearDensity(tile)); break;
}
}
}
static void ClickTile_Trees(TileIndex tile)
{
/* not used */
}
static uint32 GetTileTrackStatus_Trees(TileIndex tile, TransportType mode)
{
return 0;
}
static void ChangeTileOwner_Trees(TileIndex tile, PlayerID old_player, PlayerID 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 */
GetSlopeTileh_Trees, /* get_slope_tileh_proc */
};
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