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(svn r20825) -Codechange: Replace a few magic numbers by constants.

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This commit is contained in:
terkhen 2010-09-18 20:33:04 +00:00
parent 285d905488
commit 3607c33b4f
1 changed files with 9 additions and 8 deletions
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17
src/tree_cmd.cpp
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@ -54,6 +54,9 @@ enum ExtraTreePlacement {
/** Determines when to consider building more trees. */
byte _trees_tick_ctr;
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.
/**
* Tests if a tile can be converted to MP_TREES
* This is true for clear ground without farms or rocks.
@ -188,7 +191,7 @@ static void DoPlaceMoreTrees(TileIndex tile)
{
uint i;
for (i = 0; i < 1000; i++) {
for (i = 0; i < DEFAULT_TREE_STEPS; i++) {
uint32 r = Random();
int x = GB(r, 0, 5) - 16;
int y = GB(r, 8, 5) - 16;
@ -225,9 +228,7 @@ static void PlaceMoreTrees()
*/
static void PlaceTreeAtSameHeight(TileIndex tile, uint height)
{
uint i;
for (i = 0; i < 1000; i++) {
for (uint i = 0; i < DEFAULT_TREE_STEPS; i++) {
uint32 r = Random();
int x = GB(r, 0, 5) - 16;
int y = GB(r, 8, 5) - 16;
@ -258,7 +259,7 @@ void PlaceTreesRandomly()
{
uint i, j, ht;
i = ScaleByMapSize(1000);
i = ScaleByMapSize(DEFAULT_TREE_STEPS);
do {
uint32 r = Random();
TileIndex tile = RandomTileSeed(r);
@ -289,7 +290,7 @@ void PlaceTreesRandomly()
/* place extra trees at rainforest area */
if (_settings_game.game_creation.landscape == LT_TROPIC) {
i = ScaleByMapSize(15000);
i = ScaleByMapSize(DEFAULT_RAINFOREST_TREE_STEPS);
do {
uint32 r = Random();
@ -324,8 +325,8 @@ void GenerateTrees()
default: NOT_REACHED();
}
total = ScaleByMapSize(1000);
if (_settings_game.game_creation.landscape == LT_TROPIC) total += ScaleByMapSize(15000);
total = ScaleByMapSize(DEFAULT_TREE_STEPS);
if (_settings_game.game_creation.landscape == LT_TROPIC) total += ScaleByMapSize(DEFAULT_RAINFOREST_TREE_STEPS);
total *= i;
SetGeneratingWorldProgress(GWP_TREE, total);