Handling of tree tiles. More...
#include "stdafx.h"
#include "clear_map.h"
#include "landscape.h"
#include "tree_map.h"
#include "viewport_func.h"
#include "command_func.h"
#include "economy_func.h"
#include "town.h"
#include "genworld.h"
#include "transparency.h"
#include "clear_func.h"
#include "company_func.h"
#include "sound_func.h"
#include "water_map.h"
#include "water.h"
#include "landscape_type.h"
#include "company_base.h"
#include "core/random_func.hpp"
#include "table/strings.h"
#include "table/sprites.h"
#include "table/tree_land.h"
#include "table/clear_land.h"
Go to the source code of this file.
Data Structures | |
struct | TreeListEnt |
Enumerations | |
enum | TreePlacer { TP_NONE, TP_ORIGINAL, TP_IMPROVED } |
List of tree placer algorithm. More... | |
enum | ExtraTreePlacement { ETP_NONE, ETP_RAINFOREST, ETP_ALL } |
Where to place trees while in-game? More... | |
Functions | |
static bool | CanPlantTreesOnTile (TileIndex tile, bool allow_desert) |
Tests if a tile can be converted to MP_TREES This is true for clear ground without farms or rocks. | |
static void | PlantTreesOnTile (TileIndex tile, TreeType treetype, uint count, uint growth) |
Creates a tree tile Ground type and density is preserved. | |
static TreeType | GetRandomTreeType (TileIndex tile, uint seed) |
Get a random TreeType for the given tile based on a given seed. | |
static void | PlaceTree (TileIndex tile, uint32 r) |
Make a random tree tile of the given tile. | |
static void | PlaceTreeGroups (uint num_groups) |
Creates a number of tree groups. | |
static void | PlaceTreeAtSameHeight (TileIndex tile, uint height) |
Place a tree at the same height as an existing tree. | |
void | PlaceTreesRandomly () |
Place some trees randomly. | |
void | GenerateTrees () |
Place new trees. | |
CommandCost | CmdPlantTree (TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text) |
Plant a tree. | |
static void | DrawTile_Trees (TileInfo *ti) |
static uint | GetSlopeZ_Trees (TileIndex tile, uint x, uint y) |
static Foundation | GetFoundation_Trees (TileIndex tile, Slope tileh) |
static CommandCost | ClearTile_Trees (TileIndex tile, DoCommandFlag flags) |
static void | GetTileDesc_Trees (TileIndex tile, TileDesc *td) |
static void | TileLoopTreesDesert (TileIndex tile) |
static void | TileLoopTreesAlps (TileIndex tile) |
static void | TileLoop_Trees (TileIndex tile) |
void | OnTick_Trees () |
static TrackStatus | GetTileTrackStatus_Trees (TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side) |
static void | ChangeTileOwner_Trees (TileIndex tile, Owner old_owner, Owner new_owner) |
void | InitializeTrees () |
static CommandCost | TerraformTile_Trees (TileIndex tile, DoCommandFlag flags, uint z_new, Slope tileh_new) |
Variables | |
byte | _trees_tick_ctr |
Determines when to consider building more trees. | |
static const uint16 | DEFAULT_TREE_STEPS = 1000 |
Default number of attempts for placing trees. | |
static const uint16 | DEFAULT_RAINFOREST_TREE_STEPS = 15000 |
Default number of attempts for placing extra trees at rainforest in tropic. | |
static const uint16 | EDITOR_TREE_DIV = 5 |
Game editor tree generation divisor factor. | |
const TileTypeProcs | _tile_type_trees_procs |
Handling of tree tiles.
Definition in file tree_cmd.cpp.
enum ExtraTreePlacement |
Where to place trees while in-game?
ETP_NONE |
Place trees on no tiles. |
ETP_RAINFOREST |
Place trees only on rainforest tiles. |
ETP_ALL |
Place trees on all tiles. |
Definition at line 48 of file tree_cmd.cpp.
enum TreePlacer |
List of tree placer algorithm.
This enumeration defines all possible tree placer algorithm in the game.
TP_NONE |
No tree placer algorithm. |
TP_ORIGINAL |
The original algorithm. |
TP_IMPROVED |
A 'improved' algorithm. |
Definition at line 41 of file tree_cmd.cpp.
static bool CanPlantTreesOnTile | ( | TileIndex | tile, | |
bool | allow_desert | |||
) | [static] |
Tests if a tile can be converted to MP_TREES This is true for clear ground without farms or rocks.
tile | the tile of interest | |
allow_desert | Allow planting trees on CLEAR_DESERT? |
Definition at line 69 of file tree_cmd.cpp.
References CLEAR_DESERT, CLEAR_FIELDS, CLEAR_ROCKS, GetRawClearGround(), GetTileSlope(), GetTileType(), IsBridgeAbove(), IsClearGround(), IsCoast(), IsSlopeWithOneCornerRaised(), MP_CLEAR, and MP_WATER.
Referenced by PlaceTreeAtSameHeight(), PlaceTreeGroups(), PlaceTreesRandomly(), and PlantTreesOnTile().
CommandCost CmdPlantTree | ( | TileIndex | tile, | |
DoCommandFlag | flags, | |||
uint32 | p1, | |||
uint32 | p2, | |||
const char * | text | |||
) |
Plant a tree.
tile | start tile of area-drag of tree plantation | |
flags | type of operation | |
p1 | tree type, TREE_INVALID means random. | |
p2 | end tile of area-drag | |
text | unused |
Definition at line 337 of file tree_cmd.cpp.
References _current_company, _settings_game, CommandCost::AddCost(), AddTreeCount(), ChangeTownRating(), CLEAR_FIELDS, CLEAR_ROCKS, ClosestTownFromTile(), CMD_ERROR, CMD_LANDSCAPE_CLEAR, DC_EXEC, EconomySettings::dist_local_authority, DoCommand(), GameSettings::economy, EXPENSES_OTHER, CommandCost::Failed(), GameSettings::game_creation, GB(), CommandCost::GetCost(), GetRandomTreeType(), GetRawClearGround(), GetTileSlope(), GetTileType(), GetTreeCount(), GetTropicZone(), INVALID_STRING_ID, IsBridgeAbove(), IsCoast(), IsInsideBS(), IsInsideMM(), IsSlopeWithOneCornerRaised(), IsTileType(), Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem<&_company_pool >::IsValidID(), GameCreationSettings::landscape, MapSize(), MarkTileDirtyByTile(), MP_CLEAR, MP_TREES, MP_WATER, PlantTreesOnTile(), return_cmd_error, SetTropicZone(), TILE_AREA_LOOP, TREE_CACTUS, TREE_INVALID, TREE_RAINFOREST, TREE_SUB_TROPICAL, TREE_TOYLAND, TROPICZONE_DESERT, TROPICZONE_NORMAL, and TROPICZONE_RAINFOREST.
void GenerateTrees | ( | ) |
Place new trees.
This function takes care of the selected tree placer algorithm and place randomly the trees for a new game.
Definition at line 302 of file tree_cmd.cpp.
References _settings_game, DEFAULT_RAINFOREST_TREE_STEPS, DEFAULT_TREE_STEPS, GameSettings::game_creation, GB(), GWP_TREE, GameCreationSettings::landscape, PlaceTreeGroups(), PlaceTreesRandomly(), ScaleByMapSize(), SetGeneratingWorldProgress(), TP_IMPROVED, TP_NONE, TP_ORIGINAL, and GameCreationSettings::tree_placer.
Referenced by _GenerateWorld().
Get a random TreeType for the given tile based on a given seed.
This function returns a random TreeType which can be placed on the given tile. The seed for randomness must be less or equal 256, use GB on the value of Random() to get such a value.
tile | The tile to get a random TreeType from | |
seed | The seed for randomness, must be less or equal 256 |
Definition at line 134 of file tree_cmd.cpp.
References _settings_game, GameSettings::game_creation, GetTropicZone(), GameCreationSettings::landscape, TREE_CACTUS, TREE_COUNT_RAINFOREST, TREE_COUNT_SUB_ARCTIC, TREE_COUNT_SUB_TROPICAL, TREE_COUNT_TEMPERATE, TREE_COUNT_TOYLAND, TREE_INVALID, TREE_RAINFOREST, TREE_SUB_ARCTIC, TREE_SUB_TROPICAL, TREE_TEMPERATE, TREE_TOYLAND, TROPICZONE_DESERT, and TROPICZONE_NORMAL.
Referenced by CmdPlantTree(), and PlaceTree().
static void PlaceTree | ( | TileIndex | tile, | |
uint32 | r | |||
) | [static] |
Make a random tree tile of the given tile.
Create a new tree-tile for the given tile. The second parameter is used for randomness like type and number of trees.
tile | The tile to make a tree-tile from | |
r | The randomness value from a Random() value |
Definition at line 164 of file tree_cmd.cpp.
References GB(), GetRandomTreeType(), GetTreeGround(), min(), PlantTreesOnTile(), SetTreeCounter(), SetTreeGroundDensity(), TREE_GROUND_ROUGH_SNOW, TREE_GROUND_SHORE, TREE_GROUND_SNOW_DESERT, and TREE_INVALID.
Referenced by PlaceTreeAtSameHeight(), PlaceTreeGroups(), and PlaceTreesRandomly().
static void PlaceTreeAtSameHeight | ( | TileIndex | tile, | |
uint | height | |||
) | [static] |
Place a tree at the same height as an existing tree.
Add a new tree around the given tile which is at the same height or at some offset (2 units) of it.
tile | The base tile to add a new tree somewhere around | |
height | The height (like the one from the tile) |
Definition at line 219 of file tree_cmd.cpp.
References abs(), CanPlantTreesOnTile(), DEFAULT_TREE_STEPS, Delta(), GB(), GetTileZ(), INVALID_TILE, PlaceTree(), and TileAddWrap().
Referenced by PlaceTreesRandomly().
static void PlaceTreeGroups | ( | uint | num_groups | ) | [static] |
Creates a number of tree groups.
The number of trees in each group depends on how many trees are actually placed around the given tile.
num_groups | Number of tree groups to place. |
Definition at line 188 of file tree_cmd.cpp.
References abs(), CanPlantTreesOnTile(), DEFAULT_TREE_STEPS, GB(), GWP_TREE, IncreaseGeneratingWorldProgress(), INVALID_TILE, PlaceTree(), RandomTile, and TileAddWrap().
Referenced by GenerateTrees().
void PlaceTreesRandomly | ( | ) |
Place some trees randomly.
This function just place some trees randomly on the map.
Definition at line 248 of file tree_cmd.cpp.
References _settings_game, CanPlantTreesOnTile(), DEFAULT_RAINFOREST_TREE_STEPS, DEFAULT_TREE_STEPS, EDITOR_TREE_DIV, GameSettings::game_creation, GetSnowLine(), GetTileZ(), GetTropicZone(), GWP_TREE, IncreaseGeneratingWorldProgress(), GameCreationSettings::landscape, PlaceTree(), PlaceTreeAtSameHeight(), RandomTileSeed(), ScaleByMapSize(), TILE_HEIGHT, TP_IMPROVED, GameCreationSettings::tree_placer, and TROPICZONE_RAINFOREST.
Referenced by GenerateTrees(), and BuildTreesWindow::OnClick().
static void PlantTreesOnTile | ( | TileIndex | tile, | |
TreeType | treetype, | |||
uint | count, | |||
uint | growth | |||
) | [static] |
Creates a tree tile Ground type and density is preserved.
tile | where to plant the trees. | |
treetype | The type of the tree | |
count | the number of trees (minus 1) | |
growth | the growth status |
Definition at line 94 of file tree_cmd.cpp.
References CanPlantTreesOnTile(), CLEAR_GRASS, CLEAR_ROUGH, CLEAR_SNOW, GetClearDensity(), GetClearGround(), GetRawClearGround(), GetTileType(), MakeTree(), MP_CLEAR, MP_WATER, TREE_GROUND_GRASS, TREE_GROUND_ROUGH, TREE_GROUND_ROUGH_SNOW, TREE_GROUND_SHORE, TREE_GROUND_SNOW_DESERT, and TREE_INVALID.
Referenced by CmdPlantTree(), and PlaceTree().
const TileTypeProcs _tile_type_trees_procs |
{ DrawTile_Trees, GetSlopeZ_Trees, ClearTile_Trees, NULL, GetTileDesc_Trees, GetTileTrackStatus_Trees, NULL, NULL, TileLoop_Trees, ChangeTileOwner_Trees, NULL, NULL, GetFoundation_Trees, TerraformTile_Trees, }
byte _trees_tick_ctr |
Determines when to consider building more trees.
Definition at line 55 of file tree_cmd.cpp.