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81 lines
3.5 KiB
Plaintext
81 lines
3.5 KiB
Plaintext
#include "script_component.hpp"
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/*
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* Author: PabstMirror
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* Find a target within the optic range
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*
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* Arguments:
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* 0: Last Target (seeds the scan) <OBJECT>
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* 1: Max Range (meters) <NUMBER>
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*
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* Return Value:
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* Target <OBJECT>
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*
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* Example:
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* [bob, 5] call ace_javelin_fnc_getTarget
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*
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* Public: No
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*/
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params ["_lastTarget", "_maxRange"];
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scopeName "main";
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private _viewASL = AGLtoASL positionCameraToWorld [0,0,0];
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private _viewDir = _viewASL vectorFromTo (AGLtoASL positionCameraToWorld [0,0,1]);
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// Attempt to lock onto current target if it is still valid
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if (!isNull _lastTarget) then {
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private _aimASL = aimPos _lastTarget;
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if ((_viewASL vectorDistance _aimASL) > _maxRange) exitWith {};
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if ((acos ((_viewASL vectorFromTo _aimASL) vectorDotProduct _viewDir)) > 0.6) exitWith {};
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private _relAngle = (_lastTarget getRelDir _viewASL);
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for "_xOffset" from -2.5 to 2.5 step 0.5 do {
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for "_yOffset" from -2 to 1 step 0.5 do {
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// Find test points in the model based on the angle that we are viewing it from (not true 3d projection, but not bad)
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private _testPosASL = _lastTarget modelToWorldWorld [_xOffset * - cos _relAngle, _xOffset * sin _relAngle, _yOffset];
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private _intersectionsToCursorTarget = lineIntersectsSurfaces [_viewASL, _testPosASL, ace_player, vehicle ace_player, true, 1];
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// drawIcon3D ["\A3\ui_f\data\map\markers\military\dot_CA.paa", [[0,1,1,1], [1,0,1,1]] select (count _intersectionsToCursorTarget), (ASLtoAGL _testPosASL), 0.25, 0.25, 0, "", 0.5, 0.025, "TahomaB"];
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if (_intersectionsToCursorTarget isNotEqualTo []) then {
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(_intersectionsToCursorTarget select 0) params ["", "", "_intersectedObject"];
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if (_intersectedObject isKindOf "AllVehicles") then {
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_intersectedObject breakOut "main";
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};
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};
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};
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};
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};
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// Try cursorObject/Target as they are very fast
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if ((cursorObject isKindOf "AllVehicles") && {(cursorObject distance ace_player) < _maxRange}) then {
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private _intersectionsToCursorTarget = lineIntersectsSurfaces [_viewASL, aimPos cursorObject, ace_player, cursorObject, true, 1];
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if (_intersectionsToCursorTarget isEqualTo []) then {
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cursorObject breakOut "main";
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};
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};
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if ((cursorTarget isKindOf "AllVehicles") && {(cursorObject distance ace_player) < _maxRange}) then {
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private _intersectionsToCursorTarget = lineIntersectsSurfaces [_viewASL, aimPos cursorTarget, ace_player, cursorTarget, true, 1];
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if (_intersectionsToCursorTarget isEqualTo []) then {
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cursorTarget breakOut "main";
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};
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};
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// Attempt to scan using multiple rayscasts - This is expensive (n^2) and care should be given to balance accuracy vs speed
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for "_xOffset" from -14 to 14 step 2 do {
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for "_yOffset" from -12 to 12 step 4 do {
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private _testPosASL = AGLtoASL (positionCameraToWorld [_xOffset, _yOffset, _maxRange]);
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private _intersectionsToCursorTarget = lineIntersectsSurfaces [_viewASL, _testPosASL, ace_player, vehicle ace_player, true, 1];
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// drawIcon3D ["\A3\ui_f\data\map\markers\military\dot_CA.paa", [[0,1,0,1], [1,0,0,1]] select (count _intersectionsToCursorTarget), (ASLtoAGL _testPosASL), 0.25, 0.25, 0, "", 0.5, 0.025, "TahomaB"];
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if (_intersectionsToCursorTarget isNotEqualTo []) then {
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(_intersectionsToCursorTarget select 0) params ["", "", "_intersectedObject"];
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if (_intersectedObject isKindOf "AllVehicles") then {
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_intersectedObject breakOut "main";
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};
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};
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};
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};
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objNull
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