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Location: cpp/openttd-patchpack/source/src/clear_cmd.cpp
r19932:896ea1e223f5
11.4 KiB
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(svn r24888) -Fix: broken language file
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/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file clear_cmd.cpp Commands related to clear tiles. */
#include "stdafx.h"
#include "clear_map.h"
#include "command_func.h"
#include "landscape.h"
#include "genworld.h"
#include "viewport_func.h"
#include "water.h"
#include "core/random_func.hpp"
#include "newgrf_generic.h"
#include "table/strings.h"
#include "table/sprites.h"
#include "table/clear_land.h"
static CommandCost ClearTile_Clear(TileIndex tile, DoCommandFlag flags)
{
static const Price clear_price_table[] = {
PR_CLEAR_GRASS,
PR_CLEAR_ROUGH,
PR_CLEAR_ROCKS,
PR_CLEAR_FIELDS,
PR_CLEAR_ROUGH,
PR_CLEAR_ROUGH,
};
CommandCost price(EXPENSES_CONSTRUCTION);
if (!IsClearGround(tile, CLEAR_GRASS) || GetClearDensity(tile) != 0) {
price.AddCost(_price[clear_price_table[GetClearGround(tile)]]);
}
if (flags & DC_EXEC) DoClearSquare(tile);
return price;
}
void DrawClearLandTile(const TileInfo *ti, byte set)
{
DrawGroundSprite(SPR_FLAT_BARE_LAND + SlopeToSpriteOffset(ti->tileh) + set * 19, PAL_NONE);
}
void DrawHillyLandTile(const TileInfo *ti)
{
if (ti->tileh != SLOPE_FLAT) {
DrawGroundSprite(SPR_FLAT_ROUGH_LAND + SlopeToSpriteOffset(ti->tileh), PAL_NONE);
} else {
DrawGroundSprite(_landscape_clear_sprites_rough[GB(ti->x ^ ti->y, 4, 3)], PAL_NONE);
}
}
static void DrawClearLandFence(const TileInfo *ti)
{
/* combine fences into one sprite object */
StartSpriteCombine();
int maxz = GetSlopeMaxPixelZ(ti->tileh);
bool fence_nw = GetFenceNW(ti->tile) != 0;
if (fence_nw) {
int z = GetSlopePixelZInCorner(ti->tileh, CORNER_W);
SpriteID sprite = _clear_land_fence_sprites[GetFenceNW(ti->tile) - 1] + _fence_mod_by_tileh_nw[ti->tileh];
AddSortableSpriteToDraw(sprite, PAL_NONE, ti->x, ti->y - 15, 16, 31, maxz - z + 4, ti->z + z, false, 0, 15, -z);
}
bool fence_ne = GetFenceNE(ti->tile) != 0;
if (fence_ne) {
int z = GetSlopePixelZInCorner(ti->tileh, CORNER_E);
SpriteID sprite = _clear_land_fence_sprites[GetFenceNE(ti->tile) - 1] + _fence_mod_by_tileh_ne[ti->tileh];
AddSortableSpriteToDraw(sprite, PAL_NONE, ti->x - 15, ti->y, 31, 16, maxz - z + 4, ti->z + z, false, 15, 0, -z);
}
bool fence_sw = GetFenceSW(ti->tile) != 0;
bool fence_se = GetFenceSE(ti->tile) != 0;
if (fence_sw || fence_se) {
int z = GetSlopePixelZInCorner(ti->tileh, CORNER_S);
if (fence_sw) {
SpriteID sprite = _clear_land_fence_sprites[GetFenceSW(ti->tile) - 1] + _fence_mod_by_tileh_sw[ti->tileh];
AddSortableSpriteToDraw(sprite, PAL_NONE, ti->x, ti->y, 16, 16, maxz - z + 4, ti->z + z, false, 0, 0, -z);
}
if (fence_se) {
SpriteID sprite = _clear_land_fence_sprites[GetFenceSE(ti->tile) - 1] + _fence_mod_by_tileh_se[ti->tileh];
AddSortableSpriteToDraw(sprite, PAL_NONE, ti->x, ti->y, 16, 16, maxz - z + 4, ti->z + z, false, 0, 0, -z);
}
}
EndSpriteCombine();
}
static void DrawTile_Clear(TileInfo *ti)
{
switch (GetClearGround(ti->tile)) {
case CLEAR_GRASS:
DrawClearLandTile(ti, GetClearDensity(ti->tile));
break;
case CLEAR_ROUGH:
DrawHillyLandTile(ti);
break;
case CLEAR_ROCKS:
DrawGroundSprite(SPR_FLAT_ROCKY_LAND_1 + SlopeToSpriteOffset(ti->tileh), PAL_NONE);
break;
case CLEAR_FIELDS:
DrawGroundSprite(_clear_land_sprites_farmland[GetFieldType(ti->tile)] + SlopeToSpriteOffset(ti->tileh), PAL_NONE);
DrawClearLandFence(ti);
break;
case CLEAR_SNOW:
case CLEAR_DESERT:
DrawGroundSprite(_clear_land_sprites_snow_desert[GetClearDensity(ti->tile)] + SlopeToSpriteOffset(ti->tileh), PAL_NONE);
break;
}
DrawBridgeMiddle(ti);
}
static int GetSlopePixelZ_Clear(TileIndex tile, uint x, uint y)
{
int z;
Slope tileh = GetTilePixelSlope(tile, &z);
return z + GetPartialPixelZ(x & 0xF, y & 0xF, tileh);
}
static Foundation GetFoundation_Clear(TileIndex tile, Slope tileh)
{
return FOUNDATION_NONE;
}
static void UpdateFences(TileIndex tile)
{
assert(IsTileType(tile, MP_CLEAR) && IsClearGround(tile, CLEAR_FIELDS));
bool dirty = false;
bool neighbour = (IsTileType(TILE_ADDXY(tile, 1, 0), MP_CLEAR) && IsClearGround(TILE_ADDXY(tile, 1, 0), CLEAR_FIELDS));
if (!neighbour && GetFenceSW(tile) == 0) {
SetFenceSW(tile, 3);
dirty = true;
}
neighbour = (IsTileType(TILE_ADDXY(tile, 0, 1), MP_CLEAR) && IsClearGround(TILE_ADDXY(tile, 0, 1), CLEAR_FIELDS));
if (!neighbour && GetFenceSE(tile) == 0) {
SetFenceSE(tile, 3);
dirty = true;
}
neighbour = (IsTileType(TILE_ADDXY(tile, -1, 0), MP_CLEAR) && IsClearGround(TILE_ADDXY(tile, -1, 0), CLEAR_FIELDS));
if (!neighbour && GetFenceNE(tile) == 0) {
SetFenceNE(tile, 3);
dirty = true;
}
neighbour = (IsTileType(TILE_ADDXY(tile, 0, -1), MP_CLEAR) && IsClearGround(TILE_ADDXY(tile, 0, -1), CLEAR_FIELDS));
if (!neighbour && GetFenceNW(tile) == 0) {
SetFenceNW(tile, 3);
dirty = true;
}
if (dirty) MarkTileDirtyByTile(tile);
}
/** Convert to or from snowy tiles. */
static void TileLoopClearAlps(TileIndex tile)
{
int k = GetTileZ(tile) - GetSnowLine() + 1;
if (k < 0) {
/* Below the snow line, do nothing if no snow. */
if (!IsSnowTile(tile)) return;
} else {
/* At or above the snow line, make snow tile if needed. */
if (!IsSnowTile(tile)) {
MakeSnow(tile);
MarkTileDirtyByTile(tile);
return;
}
}
/* Update snow density. */
uint curent_density = GetClearDensity(tile);
uint req_density = (k < 0) ? 0u : min((uint)k, 3);
if (curent_density < req_density) {
AddClearDensity(tile, 1);
} else if (curent_density > req_density) {
AddClearDensity(tile, -1);
} else {
/* Density at the required level. */
if (k >= 0) return;
ClearSnow(tile);
}
MarkTileDirtyByTile(tile);
}
/**
* Tests if at least one surrounding tile is desert
* @param tile tile to check
* @return does this tile have at least one desert tile around?
*/
static inline bool NeighbourIsDesert(TileIndex tile)
{
return GetTropicZone(tile + TileDiffXY( 1, 0)) == TROPICZONE_DESERT ||
GetTropicZone(tile + TileDiffXY( -1, 0)) == TROPICZONE_DESERT ||
GetTropicZone(tile + TileDiffXY( 0, 1)) == TROPICZONE_DESERT ||
GetTropicZone(tile + TileDiffXY( 0, -1)) == TROPICZONE_DESERT;
}
static void TileLoopClearDesert(TileIndex tile)
{
/* Current desert level - 0 if it is not desert */
uint current = 0;
if (IsClearGround(tile, CLEAR_DESERT)) current = GetClearDensity(tile);
/* Expected desert level - 0 if it shouldn't be desert */
uint expected = 0;
if (GetTropicZone(tile) == TROPICZONE_DESERT) {
expected = 3;
} else if (NeighbourIsDesert(tile)) {
expected = 1;
}
if (current == expected) return;
if (expected == 0) {
SetClearGroundDensity(tile, CLEAR_GRASS, 3);
} else {
/* Transition from clear to desert is not smooth (after clearing desert tile) */
SetClearGroundDensity(tile, CLEAR_DESERT, expected);
}
MarkTileDirtyByTile(tile);
}
static void TileLoop_Clear(TileIndex tile)
{
/* If the tile is at any edge flood it to prevent maps without water. */
if (_settings_game.construction.freeform_edges && DistanceFromEdge(tile) == 1) {
int z;
Slope slope = GetTileSlope(tile, &z);
if (z == 0 && slope == SLOPE_FLAT) {
DoFloodTile(tile);
MarkTileDirtyByTile(tile);
return;
}
}
AmbientSoundEffect(tile);
switch (_settings_game.game_creation.landscape) {
case LT_TROPIC: TileLoopClearDesert(tile); break;
case LT_ARCTIC: TileLoopClearAlps(tile); break;
}
switch (GetClearGround(tile)) {
case CLEAR_GRASS:
if (GetClearDensity(tile) == 3) return;
if (_game_mode != GM_EDITOR) {
if (GetClearCounter(tile) < 7) {
AddClearCounter(tile, 1);
return;
} else {
SetClearCounter(tile, 0);
AddClearDensity(tile, 1);
}
} else {
SetClearGroundDensity(tile, GB(Random(), 0, 8) > 21 ? CLEAR_GRASS : CLEAR_ROUGH, 3);
}
break;
case CLEAR_FIELDS:
UpdateFences(tile);
if (_game_mode == GM_EDITOR) return;
if (GetClearCounter(tile) < 7) {
AddClearCounter(tile, 1);
return;
} else {
SetClearCounter(tile, 0);
}
if (GetIndustryIndexOfField(tile) == INVALID_INDUSTRY && GetFieldType(tile) >= 7) {
/* This farmfield is no longer farmfield, so make it grass again */
MakeClear(tile, CLEAR_GRASS, 2);
} else {
uint field_type = GetFieldType(tile);
field_type = (field_type < 8) ? field_type + 1 : 0;
SetFieldType(tile, field_type);
}
break;
default:
return;
}
MarkTileDirtyByTile(tile);
}
void GenerateClearTile()
{
uint i, gi;
TileIndex tile;
/* add rough tiles */
i = ScaleByMapSize(GB(Random(), 0, 10) + 0x400);
gi = ScaleByMapSize(GB(Random(), 0, 7) + 0x80);
SetGeneratingWorldProgress(GWP_ROUGH_ROCKY, gi + i);
do {
IncreaseGeneratingWorldProgress(GWP_ROUGH_ROCKY);
tile = RandomTile();
if (IsTileType(tile, MP_CLEAR) && !IsClearGround(tile, CLEAR_DESERT)) SetClearGroundDensity(tile, CLEAR_ROUGH, 3);
} while (--i);
/* add rocky tiles */
i = gi;
do {
uint32 r = Random();
tile = RandomTileSeed(r);
IncreaseGeneratingWorldProgress(GWP_ROUGH_ROCKY);
if (IsTileType(tile, MP_CLEAR) && !IsClearGround(tile, CLEAR_DESERT)) {
uint j = GB(r, 16, 4) + 5;
for (;;) {
TileIndex tile_new;
SetClearGroundDensity(tile, CLEAR_ROCKS, 3);
do {
if (--j == 0) goto get_out;
tile_new = tile + TileOffsByDiagDir((DiagDirection)GB(Random(), 0, 2));
} while (!IsTileType(tile_new, MP_CLEAR) || IsClearGround(tile_new, CLEAR_DESERT));
tile = tile_new;
}
get_out:;
}
} while (--i);
}
static TrackStatus GetTileTrackStatus_Clear(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
{
return 0;
}
static const StringID _clear_land_str[] = {
STR_LAI_CLEAR_DESCRIPTION_GRASS,
STR_LAI_CLEAR_DESCRIPTION_ROUGH_LAND,
STR_LAI_CLEAR_DESCRIPTION_ROCKS,
STR_LAI_CLEAR_DESCRIPTION_FIELDS,
STR_LAI_CLEAR_DESCRIPTION_SNOW_COVERED_LAND,
STR_LAI_CLEAR_DESCRIPTION_DESERT
};
static void GetTileDesc_Clear(TileIndex tile, TileDesc *td)
{
if (IsClearGround(tile, CLEAR_GRASS) && GetClearDensity(tile) == 0) {
td->str = STR_LAI_CLEAR_DESCRIPTION_BARE_LAND;
} else {
td->str = _clear_land_str[GetClearGround(tile)];
}
td->owner[0] = GetTileOwner(tile);
}
static void ChangeTileOwner_Clear(TileIndex tile, Owner old_owner, Owner new_owner)
{
return;
}
static CommandCost TerraformTile_Clear(TileIndex tile, DoCommandFlag flags, int z_new, Slope tileh_new)
{
return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
}
extern const TileTypeProcs _tile_type_clear_procs = {
DrawTile_Clear, ///< draw_tile_proc
GetSlopePixelZ_Clear, ///< get_slope_z_proc
ClearTile_Clear, ///< clear_tile_proc
NULL, ///< add_accepted_cargo_proc
GetTileDesc_Clear, ///< get_tile_desc_proc
GetTileTrackStatus_Clear, ///< get_tile_track_status_proc
NULL, ///< click_tile_proc
NULL, ///< animate_tile_proc
TileLoop_Clear, ///< tile_loop_proc
ChangeTileOwner_Clear, ///< change_tile_owner_proc
NULL, ///< add_produced_cargo_proc
NULL, ///< vehicle_enter_tile_proc
GetFoundation_Clear, ///< get_foundation_proc
TerraformTile_Clear, ///< terraform_tile_proc
};
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