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Switched to an improved version of the old getWind function

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This commit is contained in:
ulteq 2015-04-22 12:56:07 +02:00
parent e7bc0c26bc
commit ac5d593271
4 changed files with 74 additions and 59 deletions
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48
addons/weather/functions/fnc_getMapData.sqf
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@ -35,16 +35,37 @@ if (worldName in ["Thirsk"]) then { GVAR(Latitude) = 65; GVAR(Altitude) = 0; };
if (worldName in ["lingor"]) then { GVAR(Latitude) = -4; GVAR(Altitude) = 0; };
if (worldName in ["Panthera3"]) then { GVAR(Latitude) = 46; GVAR(Altitude) = 0; };
// Assume default wind values
// Source: https://weatherspark.com/averages/32194/Lemnos-Limnos-North-Aegean-Islands-Greece
GVAR(WindSpeedMax) = [[8.8, 5.5], [8.8, 5], [8.6, 4.8], [7.6, 3.4], [7.0, 3.0], [7.1, 3.0], [7.5, 3.1], [8.0, 3.2], [7.6, 3.5], [7.8, 4.6], [7.9, 5.0], [8.2, 5.5]];
GVAR(WindSpeedMean) = [4.8, 4.9, 4.6, 4.1, 3.5, 3.5, 4.3, 4.4, 4.1, 4.5, 4.5, 5.0];
GVAR(WindSpeedMin) = [[0.2, 5.0], [0.1, 5.0], [0.2, 4.3], [0.0, 3.0], [0.0, 2.1], [0.0, 2.0], [0.1, 3.1], [0.3, 3.1], [0.0, 3.6], [0.0, 4.2], [0.1, 5.0], [0.2, 5.5]];
GVAR(WindDirectionProbabilities) = [[0.06, 0.32, 0.05, 0.04, 0.15, 0.06, 0.02, 0.02], // January
[0.08, 0.32, 0.04, 0.04, 0.18, 0.06, 0.02, 0.02], // February
[0.09, 0.30, 0.04, 0.04, 0.20, 0.06, 0.02, 0.03], // March
[0.10, 0.25, 0.03, 0.04, 0.22, 0.06, 0.02, 0.04], // April
[0.18, 0.25, 0.03, 0.04, 0.18, 0.04, 0.01, 0.05], // May
[0.25, 0.25, 0.03, 0.03, 0.15, 0.03, 0.00, 0.08], // June
[0.32, 0.30, 0.02, 0.02, 0.10, 0.01, 0.00, 0.09], // July
[0.28, 0.35, 0.02, 0.01, 0.08, 0.01, 0.00, 0.08], // August
[0.20, 0.37, 0.03, 0.01, 0.11, 0.01, 0.01, 0.05], // September
[0.10, 0.39, 0.04, 0.02, 0.15, 0.02, 0.01, 0.03], // October
[0.08, 0.38, 0.06, 0.04, 0.19, 0.03, 0.02, 0.02], // November
[0.06, 0.37, 0.05, 0.03, 0.18, 0.04, 0.02, 0.02]];// December
// Check if the wind data is defined in the map config
if (isArray (configFile >> "CfgWorlds" >> worldName >> "ACE_WindSpeedMean")) then {
GVAR(WindSpeedMin) = getArray (configFile >> "CfgWorlds" >> worldName >> "ACE_WindSpeedMin");
GVAR(WindSpeedMean) = getArray (configFile >> "CfgWorlds" >> worldName >> "ACE_WindSpeedMean");
GVAR(WindSpeedMax) = getArray (configFile >> "CfgWorlds" >> worldName >> "ACE_WindSpeedMax");
GVAR(WindDirectionProbabilities) = getArray (configFile >> "CfgWorlds" >> worldName >> "ACE_WindDirectionProbabilities");
};
// Check if the weather data is defined in the map config
if (isArray (configFile >> "CfgWorlds" >> worldName >> "ACE_TempDay")) exitWith {
GVAR(TempDay) = getArray (configFile >> "CfgWorlds" >> worldName >> "ACE_TempDay");
GVAR(TempNight) = getArray (configFile >> "CfgWorlds" >> worldName >> "ACE_TempNight");
GVAR(Humidity) = getArray (configFile >> "CfgWorlds" >> worldName >> "ACE_Humidity");
GVAR(WindSpeedMin) = getArray (configFile >> "CfgWorlds" >> worldName >> "ACE_WindSpeedMin");
GVAR(WindSpeedMean) = getArray (configFile >> "CfgWorlds" >> worldName >> "ACE_WindSpeedMean");
GVAR(WindSpeedMax) = getArray (configFile >> "CfgWorlds" >> worldName >> "ACE_WindSpeedMax");
GVAR(WindDirectionProbabilities) = getArray (configFile >> "CfgWorlds" >> worldName >> "ACE_WindDirectionProbabilities");
};
// Check if the map is among the most popular
@ -118,20 +139,3 @@ GVAR(Humidity) = [82, 80, 78, 70, 71, 72, 70, 73, 78, 80, 83, 82];
GVAR(currentTemperature) = 20;
GVAR(currentHumidity) = 0.5;
// Source: https://weatherspark.com/averages/32194/Lemnos-Limnos-North-Aegean-Islands-Greece
GVAR(WindSpeedMax) = [[8.8, 5.5], [8.8, 5], [8.6, 4.8], [7.6, 3.4], [7.0, 3.0], [7.1, 3.0], [7.5, 3.1], [8.0, 3.2], [7.6, 3.5], [7.8, 4.6], [7.9, 5.0], [8.2, 5.5]];
GVAR(WindSpeedMean) = [4.8, 4.9, 4.6, 4.1, 3.5, 3.5, 4.3, 4.4, 4.1, 4.5, 4.5, 5.0];
GVAR(WindSpeedMin) = [[0.2, 5.0], [0.1, 5.0], [0.2, 4.3], [0.0, 3.0], [0.0, 2.1], [0.0, 2.0], [0.1, 3.1], [0.3, 3.1], [0.0, 3.6], [0.0, 4.2], [0.1, 5.0], [0.2, 5.5]];
GVAR(WindDirectionProbabilities) = [[0.06, 0.32, 0.05, 0.04, 0.15, 0.06, 0.02, 0.02], // January
[0.08, 0.32, 0.04, 0.04, 0.18, 0.06, 0.02, 0.02], // February
[0.09, 0.30, 0.04, 0.04, 0.20, 0.06, 0.02, 0.03], // March
[0.10, 0.25, 0.03, 0.04, 0.22, 0.06, 0.02, 0.04], // April
[0.18, 0.25, 0.03, 0.04, 0.18, 0.04, 0.01, 0.05], // May
[0.25, 0.25, 0.03, 0.03, 0.15, 0.03, 0.00, 0.08], // June
[0.32, 0.30, 0.02, 0.02, 0.10, 0.01, 0.00, 0.09], // July
[0.28, 0.35, 0.02, 0.01, 0.08, 0.01, 0.00, 0.08], // August
[0.20, 0.37, 0.03, 0.01, 0.11, 0.01, 0.01, 0.05], // September
[0.10, 0.39, 0.04, 0.02, 0.15, 0.02, 0.01, 0.03], // October
[0.08, 0.38, 0.06, 0.04, 0.19, 0.03, 0.02, 0.02], // November
[0.06, 0.37, 0.05, 0.03, 0.18, 0.04, 0.02, 0.02]];// December

30
addons/weather/functions/fnc_getWind.sqf
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@ -13,23 +13,19 @@
if (isNil "ACE_WIND_PARAMS") exitWith { [0, 0, 0] };
private ["_period", "_periodPosition", "_x", "_ratio", "_windSpeed"];
EXPLODE_8_PVT(ACE_WIND_PARAMS,_windDirection,_min_wind_speed,_max_wind_speed,_c1,_c2,_c3,_c4,_period);
EXPLODE_5_PVT(ACE_WIND_PARAMS,_dir,_dirChange,_spd,_spdChange,_period);
private ["_periodPercent", "_periodPosition"];
_periodPosition = (time - GVAR(wind_period_start_time)) min _period;
_x = _periodPosition * 57.29577958; // time * (180 / PI)
_ratio = 0.5 + (_c1 * sin(_x/1.5) + _c2 * sin(_x/3) + _c3 * sin(_x/12) + _c4 * sin(_x/18)) / (2 * (_c1 + _c2 + _c3 + _c4));
_windSpeed = _min_wind_speed + (_max_wind_speed - _min_wind_speed) * _ratio;
_periodPercent = _periodPosition / _period;
//GVAR(wind_speed_debug_output) pushBack _windspeed;
//copyToClipboard Str(GVAR(wind_speed_debug_output));
/*
systemChat " ";
systemChat format["(Min/Current/Max) : (%1/%2/%3)", Round(_min_wind_speed * 10) / 10, Round(_windSpeed * 10) / 10, Round(_max_wind_speed * 10) / 10];
systemChat format["Direction: %1", Round(_windDirection)];
systemChat format["(Period/PeriodPosition) : (%1/%2)", Round(_period), Round(_periodPosition)];
systemChat format["Ratio: %1", _ratio];
systemChat " ";
*/
[-1 * sin(_windDirection) * _windSpeed, -1 * cos(_windDirection) * _windSpeed, 0]
_spd = _spd + _spdChange * _periodPercent;
_dir = _dir + _dirChange * _periodPercent;
_dir = (360 + _dir) % 360;
TRACE_2("Dir: Current/Change",Round(_dir),Round(_dirChange));
TRACE_2("Spd: Current/Change",Round(_spd * 10) / 10,Round(_spdChange * 10) / 10);
TRACE_3("Period/Position/Percent",Round(_period),Round(_periodPosition),Round(_periodPercent * 100) / 100);
[-_spd * sin(_dir), -_spd * cos(_dir), 0]

8
addons/weather/functions/fnc_initWind.sqf
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@ -31,18 +31,18 @@ for "_j" from 0 to 10 do {
};
GVAR(wind_mean_dir) = GVAR(wind_direction_reference);
GVAR(wind_direction_reference) = GVAR(wind_direction_reference) + (random 22.5) - (random 22.5);
GVAR(wind_direction_reference) = (360 + GVAR(wind_direction_reference)) % 360;
GVAR(min_wind_speed) = GVAR(WindSpeedMin) select (_month - 1);
GVAR(min_wind_speed) = (GVAR(min_wind_speed) select 0) + (random (GVAR(min_wind_speed) select 1)) - (random (GVAR(min_wind_speed) select 1));
GVAR(min_wind_speed) = 0 max GVAR(min_wind_speed);
GVAR(mean_wind_speed) = GVAR(WindSpeedMean) select (_month - 1);
GVAR(max_wind_speed) = GVAR(WindSpeedMax) select (_month - 1);
GVAR(max_wind_speed) = (GVAR(max_wind_speed) select 0) + (random (GVAR(max_wind_speed) select 1)) - (random (GVAR(max_wind_speed) select 1));
GVAR(max_wind_speed) = 0 max GVAR(max_wind_speed);
GVAR(c1) = 0.1 + random 0.1;
GVAR(c2) = 0.2 + random 0.1;
GVAR(c3) = 0.5 + random 0.2;
GVAR(c4) = 0.7 + random 0.2;
GVAR(current_wind_direction) = GVAR(wind_direction_reference);
GVAR(current_wind_speed) = GVAR(min_wind_speed) + (GVAR(max_wind_speed) - GVAR(min_wind_speed)) * (random 1);
GVAR(wind_period_count) = 0;
GVAR(wind_next_period) = -1;

41
addons/weather/functions/fnc_serverController.sqf
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@ -11,7 +11,7 @@
*/
#include "script_component.hpp"
private ["_i", "_lastRain", "_rainOverCast", "_transitionTime", "_windDirectionVariance", "_windDirection", "_time", "_c1", "_c2", "_c3", "_c4"];
private ["_i", "_lastRain", "_rainOverCast", "_transitionTime", "_windDirectionVariance", "_windSpeed", "_windSpeedChange", "_windMaxDiff", "_windMinDiff", "_windDirection", "_windDirectionChange", "_time"];
// Rain simulation
if(GVAR(rain_period_count) > GVAR(rain_next_period)) then {
@ -49,25 +49,38 @@ if(GVAR(wind_period_count) > GVAR(wind_next_period)) then {
GVAR(wind_next_period) = ceil((2 + (random 5)) / GVAR(overcast_multiplier));
GVAR(wind_period_count) = 0;
_windDirectionVariance = (90 - (random 180)) * overcast;
_windDirectionVariance = (90 - (random 180)) * (overcast ^ 2);
_windDirection = (360 + GVAR(wind_direction_reference) + _windDirectionVariance) % 360;
_windDirectionChange = _windDirection - GVAR(current_wind_direction);
if (_windDirectionChange > 180) then {
_windDirectionChange = 360 - _windDirectionChange;
};
if (_windDirectionChange < -180) then {
_windDirectionChange = -360 - _windDirectionChange;
};
_c1 = (0.1 + random 0.1) * overcast;
_c2 = (0.2 + random 0.1) * overcast;
_c3 = (0.5 + random 0.2);
_c4 = (0.7 + random 0.2);
_windMaxDiff = GVAR(mean_wind_speed) - GVAR(max_wind_speed);
_windMinDiff = GVAR(min_wind_speed) - GVAR(mean_wind_speed);
_ratioMax = (random 1) ^ 2;
_ratioMin = (random 1) ^ 2;
_windSpeed = GVAR(mean_wind_speed) + _windMaxDiff * _ratioMax + _windMinDiff * _ratioMin;
_windSpeedChange = _windSpeed - GVAR(current_wind_speed);
_time = GVAR(wind_next_period) * 60;
ACE_WIND_PARAMS = [_windDirection,
GVAR(min_wind_speed),
GVAR(max_wind_speed),
_c1,
_c2,
_c3,
_c4,
TRACE_5("dirCur/dirNew/spdCur/spdNew/period",GVAR(current_wind_direction),_windDirection,GVAR(current_wind_speed),_windSpeed,_time);
ACE_WIND_PARAMS = [GVAR(current_wind_direction),
_windDirectionChange,
GVAR(current_wind_speed),
_windSpeedChange,
_time];
GVAR(current_wind_direction) = _windDirection;
GVAR(current_wind_speed) = _windSpeed;
GVAR(wind_period_start_time) = time;
publicVariable "ACE_WIND_PARAMS";
};
@ -78,3 +91,5 @@ publicVariable "ACE_MISC_PARAMS";
GVAR(rain_period_count) = GVAR(rain_period_count) + 1;
GVAR(wind_period_count) = GVAR(wind_period_count) + 1;
GVAR(overcast_multiplier) = 1 max (2* overcast) min 2; // 0 (@ overcast 0), 2 (@ overcast 1)