658 lines
14 KiB
C
658 lines
14 KiB
C
/* $Id$ */
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#include "stdafx.h"
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#include "openttd.h"
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#include "table/strings.h"
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#include "table/sprites.h"
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#include "table/tree_land.h"
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#include "functions.h"
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#include "map.h"
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#include "tile.h"
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#include "viewport.h"
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#include "command.h"
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#include "town.h"
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#include "sound.h"
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#include "variables.h"
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static int GetRandomTreeType(TileIndex tile, uint seed)
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{
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switch (_opt.landscape) {
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case LT_NORMAL:
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return seed * 12 >> 8;
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case LT_HILLY:
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return (seed >> 5) + 12;
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case LT_DESERT:
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switch (GetMapExtraBits(tile)) {
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case 0: return (seed >> 6) + 28;
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case 1: return (seed > 12) ? -1 : 27;
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default: return (seed * 7 >> 8) + 20;
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}
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default:
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return (seed * 9 >> 8) + 32;
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}
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}
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static void PlaceTree(TileIndex tile, uint32 r, byte m5_or)
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{
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int tree = GetRandomTreeType(tile, GB(r, 24, 8));
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byte m5;
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if (tree >= 0) {
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SetTileType(tile, MP_TREES);
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m5 = GB(r, 16, 8);
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if (GB(m5, 0, 3) == 7) m5--; // there is no growth state 7
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_m[tile].m5 = m5 & 0x07; // growth state;
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_m[tile].m5 |= m5 & 0xC0; // amount of trees
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_m[tile].m3 = tree; // set type of tree
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_m[tile].m4 = 0; // no hedge
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// above snowline?
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if (_opt.landscape == LT_HILLY && GetTileZ(tile) > _opt.snow_line) {
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_m[tile].m2 = 0xE0; // set land type to snow
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_m[tile].m2 |= GB(r, 24, 3); // randomize counter
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} else {
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_m[tile].m2 = GB(r, 24, 5); // randomize counter and ground
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}
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}
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}
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static void DoPlaceMoreTrees(TileIndex tile)
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{
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uint i;
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for (i = 0; i < 1000; i++) {
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uint32 r = Random();
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int x = GB(r, 0, 5) - 16;
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int y = GB(r, 8, 5) - 16;
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uint dist = myabs(x) + myabs(y);
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TileIndex cur_tile = TILE_MASK(tile + TileDiffXY(x, y));
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/* Only on tiles within 13 squares from tile,
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on clear tiles, and NOT on farm-tiles or rocks */
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if (dist <= 13 && IsTileType(cur_tile, MP_CLEAR) &&
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(_m[cur_tile].m5 & 0x1F) != 0x0F && (_m[cur_tile].m5 & 0x1C) != 8) {
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PlaceTree(cur_tile, r, dist <= 6 ? 0xC0 : 0);
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}
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}
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}
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static void PlaceMoreTrees(void)
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{
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uint i = ScaleByMapSize((Random() & 0x1F) + 25);
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do {
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DoPlaceMoreTrees(RandomTile());
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} while (--i);
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}
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void PlaceTreesRandomly(void)
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{
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uint i;
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i = ScaleByMapSize(1000);
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do {
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uint32 r = Random();
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TileIndex tile = RandomTileSeed(r);
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/* Only on clear tiles, and NOT on farm-tiles or rocks */
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if (IsTileType(tile, MP_CLEAR) && (_m[tile].m5 & 0x1F) != 0x0F && (_m[tile].m5 & 0x1C) != 8) {
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PlaceTree(tile, r, 0);
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}
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} while (--i);
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/* place extra trees at rainforest area */
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if (_opt.landscape == LT_DESERT) {
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i = ScaleByMapSize(15000);
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do {
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uint32 r = Random();
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TileIndex tile = RandomTileSeed(r);
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if (IsTileType(tile, MP_CLEAR) && GetMapExtraBits(tile) == 2) {
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PlaceTree(tile, r, 0);
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}
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} while (--i);
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}
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}
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void GenerateTrees(void)
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{
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uint i;
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if (_opt.landscape != LT_CANDY) PlaceMoreTrees();
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for (i = _opt.landscape == LT_HILLY ? 15 : 6; i != 0; i--) {
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PlaceTreesRandomly();
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}
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}
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/** Plant a tree.
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* @param x,y start tile of area-drag of tree plantation
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* @param p1 tree type, -1 means random.
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* @param p2 end tile of area-drag
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*/
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int32 CmdPlantTree(int ex, int ey, uint32 flags, uint32 p1, uint32 p2)
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{
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int32 cost;
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int sx, sy, x, y;
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if (p2 > MapSize()) return CMD_ERROR;
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/* Check the tree type. It can be random or some valid value within the current climate */
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if (p1 != (uint)-1 && p1 - _tree_base_by_landscape[_opt.landscape] >= _tree_count_by_landscape[_opt.landscape]) return CMD_ERROR;
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SET_EXPENSES_TYPE(EXPENSES_OTHER);
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// make sure sx,sy are smaller than ex,ey
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sx = TileX(p2);
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sy = TileY(p2);
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ex /= 16; ey /= 16;
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if (ex < sx) intswap(ex, sx);
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if (ey < sy) intswap(ey, sy);
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cost = 0; // total cost
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for (x = sx; x <= ex; x++) {
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for (y = sy; y <= ey; y++) {
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TileIndex tile = TileXY(x, y);
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if (!EnsureNoVehicle(tile)) continue;
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switch (GetTileType(tile)) {
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case MP_TREES:
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// no more space for trees?
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if (_game_mode != GM_EDITOR && (_m[tile].m5 & 0xC0) == 0xC0) {
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_error_message = STR_2803_TREE_ALREADY_HERE;
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continue;
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}
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if (flags & DC_EXEC) {
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_m[tile].m5 += 0x40;
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MarkTileDirtyByTile(tile);
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}
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// 2x as expensive to add more trees to an existing tile
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cost += _price.build_trees * 2;
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break;
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case MP_CLEAR:
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if (!IsTileOwner(tile, OWNER_NONE)) {
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_error_message = STR_2804_SITE_UNSUITABLE;
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continue;
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}
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// it's expensive to clear farmland
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if ((_m[tile].m5 & 0x1F) == 0xF)
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cost += _price.clear_3;
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else if ((_m[tile].m5 & 0x1C) == 8)
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cost += _price.clear_2;
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if (flags & DC_EXEC) {
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int treetype;
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int m2;
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if (_game_mode != GM_EDITOR && _current_player < MAX_PLAYERS) {
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Town *t = ClosestTownFromTile(tile, _patches.dist_local_authority);
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if (t != NULL)
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ChangeTownRating(t, RATING_TREE_UP_STEP, RATING_TREE_MAXIMUM);
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}
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switch (_m[tile].m5 & 0x1C) {
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case 0x04:
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m2 = 16;
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break;
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case 0x10:
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m2 = ((_m[tile].m5 & 3) << 6) | 0x20;
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break;
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default:
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m2 = 0;
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break;
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}
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treetype = p1;
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if (treetype == -1) {
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treetype = GetRandomTreeType(tile, Random() >> 24);
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if (treetype == -1) treetype = 27;
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}
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ModifyTile(tile,
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MP_SETTYPE(MP_TREES) |
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MP_MAP2 | MP_MAP3LO | MP_MAP3HI_CLEAR | MP_MAP5,
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m2, /* map2 */
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treetype, /* map3lo */
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_game_mode == GM_EDITOR ? 3 : 0 /* map5 */
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);
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if (_game_mode == GM_EDITOR && IS_BYTE_INSIDE(treetype, 0x14, 0x1B))
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SetMapExtraBits(tile, 2);
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}
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cost += _price.build_trees;
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break;
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default:
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_error_message = STR_2804_SITE_UNSUITABLE;
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break;
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}
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}
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}
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return (cost == 0) ? CMD_ERROR : cost;
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}
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typedef struct TreeListEnt {
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uint32 image;
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byte x,y;
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} TreeListEnt;
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static void DrawTile_Trees(TileInfo *ti)
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{
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uint16 m2;
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const uint32 *s;
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const byte *d;
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byte z;
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m2 = _m[ti->tile].m2;
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if ((m2 & 0x30) == 0) {
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DrawClearLandTile(ti, 3);
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} else if ((m2 & 0x30) == 0x20) {
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DrawGroundSprite(_tree_sprites_1[m2 >> 6] + _tileh_to_sprite[ti->tileh]);
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} else {
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DrawHillyLandTile(ti);
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}
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DrawClearLandFence(ti);
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z = ti->z;
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if (ti->tileh != 0) {
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z += 4;
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if (IsSteepTileh(ti->tileh))
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z += 4;
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}
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{
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uint16 tmp = ti->x;
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uint index;
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tmp = ROR(tmp, 2);
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tmp -= ti->y;
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tmp = ROR(tmp, 3);
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tmp -= ti->x;
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tmp = ROR(tmp, 1);
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tmp += ti->y;
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d = _tree_layout_xy[GB(tmp, 4, 2)];
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index = GB(tmp, 6, 2) + (_m[ti->tile].m3 << 2);
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/* different tree styles above one of the grounds */
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if ((m2 & 0xB0) == 0xA0 && index >= 48 && index < 80)
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index += 164 - 48;
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assert(index < lengthof(_tree_layout_sprite));
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s = _tree_layout_sprite[index];
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}
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StartSpriteCombine();
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if (!(_display_opt & DO_TRANS_BUILDINGS) || !_patches.invisible_trees) {
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TreeListEnt te[4];
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uint i;
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/* put the trees to draw in a list */
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i = (ti->map5 >> 6) + 1;
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do {
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uint32 image = s[0] + (--i == 0 ? (ti->map5 & 7) : 3);
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if (_display_opt & DO_TRANS_BUILDINGS)
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MAKE_TRANSPARENT(image);
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te[i].image = image;
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te[i].x = d[0];
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te[i].y = d[1];
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s++;
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d += 2;
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} while (i);
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/* draw them in a sorted way */
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for(;;) {
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byte min = 0xFF;
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TreeListEnt *tep = NULL;
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i = (ti->map5 >> 6) + 1;
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do {
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if (te[--i].image != 0 && (byte)(te[i].x + te[i].y) < min) {
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min = te[i].x + te[i].y;
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tep = &te[i];
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}
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} while (i);
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if (tep == NULL) break;
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AddSortableSpriteToDraw(tep->image, ti->x + tep->x, ti->y + tep->y, 5, 5, 0x10, z);
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tep->image = 0;
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}
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}
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EndSpriteCombine();
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}
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static uint GetSlopeZ_Trees(TileInfo *ti) {
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return GetPartialZ(ti->x&0xF, ti->y&0xF, ti->tileh) + ti->z;
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}
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static uint GetSlopeTileh_Trees(TileInfo *ti) {
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return ti->tileh;
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}
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static int32 ClearTile_Trees(TileIndex tile, byte flags)
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{
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int num;
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if (flags & DC_EXEC && _current_player < MAX_PLAYERS) {
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Town *t = ClosestTownFromTile(tile, _patches.dist_local_authority);
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if (t != NULL)
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ChangeTownRating(t, RATING_TREE_DOWN_STEP, RATING_TREE_MINIMUM);
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}
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num = (_m[tile].m5 >> 6) + 1;
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if ( (byte)(_m[tile].m3-0x14) <= (0x1A-0x14))
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num <<= 2;
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if (flags & DC_EXEC)
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DoClearSquare(tile);
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return num * _price.remove_trees;
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}
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static void GetAcceptedCargo_Trees(TileIndex tile, AcceptedCargo ac)
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{
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/* not used */
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}
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static void GetTileDesc_Trees(TileIndex tile, TileDesc *td)
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{
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byte b;
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StringID str;
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td->owner = GetTileOwner(tile);
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b = _m[tile].m3;
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(str=STR_2810_CACTUS_PLANTS, b==0x1B) ||
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(str=STR_280F_RAINFOREST, IS_BYTE_INSIDE(b, 0x14, 0x1A+1)) ||
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(str=STR_280E_TREES, true);
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td->str = str;
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}
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static void AnimateTile_Trees(TileIndex tile)
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{
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/* not used */
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}
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static SoundFx _desert_sounds[] = {
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SND_42_LOON_BIRD,
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SND_43_LION,
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SND_44_MONKEYS,
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SND_48_DISTANT_BIRD
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};
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static void TileLoopTreesDesert(TileIndex tile)
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{
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byte b;
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b = GetMapExtraBits(tile);
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if (b == 2) {
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uint32 r = Random();
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if (CHANCE16I(1,200, r)) SndPlayTileFx(_desert_sounds[GB(r, 16, 2)], tile);
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} else if (b == 1) {
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if ((_m[tile].m2 & 0x30) != 0x20) {
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_m[tile].m2 &= 0xF;
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_m[tile].m2 |= 0xE0;
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MarkTileDirtyByTile(tile);
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}
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}
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}
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static void TileLoopTreesAlps(TileIndex tile)
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{
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byte tmp, m2;
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int k;
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/* distance from snow line, in steps of 8 */
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k = GetTileZ(tile) - _opt.snow_line;
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tmp = _m[tile].m2 & 0xF0;
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if (k < -8) {
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/* snow_m2_down */
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if ((tmp & 0x30) != 0x20) return;
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m2 = 0;
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} else if (k == -8) {
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/* snow_m1 */
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m2 = 0x20;
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if (tmp == m2) return;
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} else if (k < 8) {
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/* snow_0 */
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m2 = 0x60;
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if (tmp == m2) return;
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} else if (k == 8) {
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/* snow_p1 */
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m2 = 0xA0;
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if (tmp == m2) return;
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} else {
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/* snow_p2_up */
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if (tmp == 0xE0) {
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uint32 r = Random();
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if (CHANCE16I(1,200,r)) {
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SndPlayTileFx((r & 0x80000000) ? SND_39_HEAVY_WIND : SND_34_WIND, tile);
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}
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return;
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} else {
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m2 = 0xE0;
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}
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}
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_m[tile].m2 &= 0xF;
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_m[tile].m2 |= m2;
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MarkTileDirtyByTile(tile);
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}
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static void TileLoop_Trees(TileIndex tile)
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{
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byte m5;
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uint16 m2;
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static const TileIndexDiffC _tileloop_trees_dir[] = {
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{-1, -1},
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{ 0, -1},
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{ 1, -1},
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{-1, 0},
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{ 1, 0},
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{-1, 1},
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{ 0, 1},
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{ 1, 1}
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};
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if (_opt.landscape == LT_DESERT) {
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TileLoopTreesDesert(tile);
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} else if (_opt.landscape == LT_HILLY) {
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TileLoopTreesAlps(tile);
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}
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TileLoopClearHelper(tile);
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/* increase counter */
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{
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uint16 m2 = _m[tile].m2;
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_m[tile].m2 = m2 = (m2 & 0xF0) | ((m2 + 1) & 0xF);
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if ((m2 & 0xF) != 0) return;
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}
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m5 = _m[tile].m5;
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if (GB(m5, 0, 3) == 3) {
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/* regular sized tree */
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if (_opt.landscape == LT_DESERT && _m[tile].m3 != 0x1B && GetMapExtraBits(tile) == 1) {
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m5++; /* start destructing */
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} else {
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switch(Random() & 0x7) {
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case 0: /* start destructing */
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m5++;
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break;
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case 1: /* add a tree */
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if (m5 < 0xC0) {
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m5 = (m5 + 0x40) & ~7;
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break;
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}
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/* fall through */
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case 2: { /* add a neighbouring tree */
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byte m3 = _m[tile].m3;
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tile += ToTileIndexDiff(_tileloop_trees_dir[Random() & 7]);
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if (!IsTileType(tile, MP_CLEAR)) return;
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if ( (_m[tile].m5 & 0x1C) == 4) {
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_m[tile].m2 = 0x10;
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} else if ((_m[tile].m5 & 0x1C) == 16) {
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_m[tile].m2 = ((_m[tile].m5 & 3) << 6) | 0x20;
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} else {
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if ((_m[tile].m5 & 0x1F) != 3) return;
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_m[tile].m2 = 0;
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}
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_m[tile].m3 = m3;
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_m[tile].m4 = 0;
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SetTileType(tile, MP_TREES);
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m5 = 0;
|
|
break;
|
|
}
|
|
|
|
default:
|
|
return;
|
|
}
|
|
}
|
|
} else if (GB(m5, 0, 3) == 6) {
|
|
/* final stage of tree destruction */
|
|
if (GB(m5, 6, 2) != 0) {
|
|
/* 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 = _m[tile].m2;
|
|
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;
|
|
}
|
|
SetTileOwner(tile, OWNER_NONE);
|
|
}
|
|
} else {
|
|
/* in the middle of a transition, change to next */
|
|
m5++;
|
|
}
|
|
|
|
_m[tile].m5 = m5;
|
|
MarkTileDirtyByTile(tile);
|
|
}
|
|
|
|
void OnTick_Trees(void)
|
|
{
|
|
uint32 r;
|
|
TileIndex tile;
|
|
byte m;
|
|
int tree;
|
|
|
|
/* place a tree at a random rainforest spot */
|
|
if (_opt.landscape == LT_DESERT &&
|
|
(r = Random(), tile = RandomTileSeed(r), GetMapExtraBits(tile) == 2) &&
|
|
IsTileType(tile, MP_CLEAR) &&
|
|
(m = _m[tile].m5 & 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,
|
|
_m[tile].m4 & ~3,
|
|
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) &&
|
|
(m = _m[tile].m5 & 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 = ((_m[tile].m5 & 3) << 6) | 0x20;
|
|
}
|
|
|
|
ModifyTile(tile,
|
|
MP_SETTYPE(MP_TREES) |
|
|
MP_MAP2 | MP_MAP3LO | MP_MAP3HI | MP_MAP5,
|
|
m2,
|
|
tree,
|
|
_m[tile].m4 & ~3,
|
|
0
|
|
);
|
|
}
|
|
}
|
|
|
|
static void ClickTile_Trees(TileIndex tile)
|
|
{
|
|
/* not used */
|
|
}
|
|
|
|
static uint32 GetTileTrackStatus_Trees(TileIndex tile, TransportType mode)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static void ChangeTileOwner_Trees(TileIndex 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 */
|
|
};
|