107 lines
3.8 KiB
Plaintext
107 lines
3.8 KiB
Plaintext
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///////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// fn_isSheltered.sqf
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//
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// Author: Victor the Cleaner
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// Date: May 2022
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//
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// Calculate how much shelter the player has and represent it as variable DZE_sheltered.
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//
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///////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// Raycast and perform collision check
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//
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///////////////////////////////////////////////////////////////////////////////////////////////////
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local _deepScan = {
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local _objects = lineIntersectsWith [_pos1, _pos2, _unit, objNull, true]; // sorted (nearest last)
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local _nearest = (count _objects) - 1; // nearest object
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local _idx = _this; // weight index
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scopeName "exit";
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for "_n" from _nearest to 0 step -1 do {
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local _object = _objects select _n;
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call {
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if (_object isKindOf "AllVehicles") exitWith {}; // exclude vehicles, zombies and other players
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local _model = _object call fn_getModelName;
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if (_model in DZE_allTrees) exitWith {}; // exclude trees
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///////////////////////////////////////////////////////////////////////////
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//
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// Get object edge data
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//
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///////////////////////////////////////////////////////////////////////////
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local _box = boundingBox _object;
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local _edge = [_box select 1, _box select 0] call DZE_fnc_vectorDiff;
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local _edgeX = _edge select 0;
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local _edgeY = _edge select 1;
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local _edgeZ = _edge select 2;
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local _proceed = false;
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call {
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if (_edgeX > _e2 && {(_edgeY > _e1 || {_edgeZ > _e1})}) exitWith {_proceed = true;};
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if (_edgeY > _e2 && {(_edgeX > _e1 || {_edgeZ > _e1})}) exitWith {_proceed = true;};
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if (_edgeZ > _e2 && {(_edgeX > _e1 || {_edgeY > _e1})}) exitWith {_proceed = true;};
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};
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if (_proceed) then {
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_hitWgt set [_idx, (_hitWgt select _idx) + (_scanWgt select _idx)]; // object meets criteria
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breakTo "exit";
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};
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};
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};
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};
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///////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// calculate ASL vector dome
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//
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///////////////////////////////////////////////////////////////////////////////////////////////////
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local _unit = _this select 0; // vehicle player
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local _dir = _this select 1; // align hemisphere to building if inside
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local _rad = 50; // scan radius
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local _seg = 8; // initial segments
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local _spin = 0; // z spin offset per arc-cycle
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local _e1 = 2.5; // minimum edge length
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local _e2 = 4.6; // long edge length
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local _scanWgt = [1,1.5,2]; // scan weighting index
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local _hitWgt = [0,0,0]; // record hit weighting
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local _total = 0; // total hits, adjusted for weighting
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local _pos1 = aimPos _unit; // ASL from
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local _pos2 = +_pos1; // ASL to
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_pos2 set [2, (_pos2 select 2) + _rad]; // overhead pos
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2 call _deepScan; // perform initial raycast
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DZE_roofOverhead = (_hitWgt select 2) > 0; // valid sized object directly above
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for "_r" from 0 to 2 do {
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local _rx = 30 * _r; // aggregate x rotation above the horizon
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local _arc = 360 / (_seg / (_r max 1)); // arc segments per z rotation
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for "_a" from _arc to 360 step _arc do {
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local _rz = _dir + _a + _spin; // world direction with radial offset (or aligned to building)
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local _pz = sin _rx; // x rotation gives z height
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local _py = cos _rx; // x rotation gives y pos
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local _px = _py * -(sin _rz); // z rotation gives x pos
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_py = _py * (cos _rz); // z rotation gives y pos refactor
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_pos2 = [_px, _py, _pz]; // unit vector (relative)
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for "_i" from 0 to 2 do { // multiply and add from/to vectors
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_pos2 set [_i, ((_pos2 select _i) * _rad) + (_pos1 select _i)];
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};
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_r call _deepScan; // perform raycast
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};
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_spin = _spin + 22.5; // incremental z spin
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_total = _total + (_hitWgt select _r); // hit weighting running total
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};
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DZE_sheltered = _total / 30;
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