64 lines
2.5 KiB
Plaintext
64 lines
2.5 KiB
Plaintext
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private ["_startTime","_getWeightedIndices"];
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_startTime = diag_tickTime;
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//Function exerpt from fn_selectRandomWeighted.sqf written by Joris-Jan van 't Land
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_getWeightedIndices = {
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private ["_array", "_weights","_index","_weighted","_i"];
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_array = _this select 0;
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_weights = _this select 1;
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//Parameter validation.
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if ((typeName _array) != (typeName [])) exitWith {debugLog "Log: [selectRandomWeighted] Array (0) must be an Array!"; nil};
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if ((typeName _weights) != (typeName [])) exitWith {debugLog "Log: [selectRandomWeighted] Weights (1) must be an Array!"; nil};
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if ((count _array) > (count _weights)) exitWith {debugLog "Log: [selectRandomWeighted] There must be at least as many elements in Weights (1) as there are in Array (0)!"; nil};
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//Created weighted array of indices.
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private ["_weighted"];
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_weighted = [];
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for "_i" from 0 to ((count _weights) - 1) do
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{
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private ["_weight"];
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_weight = _weights select _i;
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//Ensure the weight is a Number.
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//If it's not, set weight to 0 to exclude it.
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if ((typeName _weight) != (typeName 0)) then {debugLog "Log: [selectRandomWeighted] Weights should be Numbers; weight set to 0!"; _weight = 0};
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//The weight should be a Number between 0 and 1.
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if (_weight < 0) then {debugLog "Log: [selectRandomWeighted] Weights should be more than or equal to 0; weight set to 0!"; _weight = 0};
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//if (_weight > 1) then {debugLog "Log: [selectRandomWeighted] Weights should be less than or equal to 1; weight set to 1!"; _weight = 1};
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//Normalize the weight for a precision of hundreds.
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_weight = round(_weight * 100);
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for "_k" from 0 to (_weight - 1) do
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{
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//_weighted = _weighted + [_i];
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_weighted set [count _weighted,_i];
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};
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};
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_weighted
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};
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{
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private ["_weightedTable","_gradeChances"];
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_gradeChances = missionNamespace getVariable (_x select 0);
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_weightedTable = [DZAI_weaponGrades,_gradeChances] call _getWeightedIndices;
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missionNamespace setVariable [_x select 1,_weightedTable];
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missionNamespace setVariable [_x select 0,nil];
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} count [
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//Input variable - Gradechances array, Output variable - Gradeindices array
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["DZAI_gradeChances0","DZAI_gradeIndices0"],
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["DZAI_gradeChances1","DZAI_gradeIndices1"],
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["DZAI_gradeChances2","DZAI_gradeIndices2"],
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["DZAI_gradeChances3","DZAI_gradeIndices3"],
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["DZAI_gradeChancesDyn","DZAI_gradeIndicesDyn"]
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];
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if (DZAI_debugLevel > 0) then {diag_log format ["[DZAI] DZAI finished building weighted weapongrade tables in %1 seconds.",(diag_tickTime - _startTime)]};
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true
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