mirror of https://github.com/ZDoom/qzdoom.git
126 lines
2.2 KiB
Plaintext
126 lines
2.2 KiB
Plaintext
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// Bat Spawner --------------------------------------------------------------
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class BatSpawner : SwitchableDecoration
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{
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Default
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{
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+NOBLOCKMAP +NOSECTOR +NOGRAVITY
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RenderStyle "None";
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}
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States
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{
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Spawn:
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Active:
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TNT1 A 2;
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TNT1 A 2 A_BatSpawnInit;
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TNT1 A 2 A_BatSpawn;
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Wait;
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Inactive:
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TNT1 A -1;
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Stop;
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}
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//===========================================================================
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// Bat Spawner Variables
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// special1 frequency counter
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// special2
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// args[0] frequency of spawn (1=fastest, 10=slowest)
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// args[1] spread angle (0..255)
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// args[2]
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// args[3] duration of bats (in octics)
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// args[4] turn amount per move (in degrees)
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//
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// Bat Variables
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// special2 lifetime counter
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// args[4] turn amount per move (in degrees)
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//===========================================================================
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void A_BatSpawnInit()
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{
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special1 = 0; // Frequency count
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}
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void A_BatSpawn()
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{
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// Countdown until next spawn
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if (special1-- > 0) return;
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special1 = args[0]; // Reset frequency count
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int delta = args[1];
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if (delta == 0) delta = 1;
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double ang = Angle + (((random[BatSpawn]() % delta) - (delta >> 1)) * (360 / 256.));
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Actor mo = SpawnMissileAngle ("Bat", ang, 0);
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if (mo)
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{
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mo.args[0] = random[BatSpawn]() & 63; // floatbob index
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mo.args[4] = args[4]; // turn degrees
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mo.special2 = args[3] << 3; // Set lifetime
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mo.target = self;
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}
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}
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}
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// Bat ----------------------------------------------------------------------
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class Bat : Actor
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{
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Default
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{
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Speed 5;
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Radius 3;
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Height 3;
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+NOBLOCKMAP +NOGRAVITY +MISSILE
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+NOTELEPORT +CANPASS
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}
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States
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{
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Spawn:
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ABAT ABC 2 A_BatMove;
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Loop;
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Death:
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ABAT A 2;
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Stop;
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}
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void A_BatMove()
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{
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if (special2 < 0)
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{
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SetStateLabel ("Death");
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}
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special2 -= 2; // Called every 2 tics
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double newangle;
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if (random[BatMove]() < 128)
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{
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newangle = Angle + args[4];
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}
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else
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{
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newangle = Angle - args[4];
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}
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// Adjust velocity vector to new direction
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VelFromAngle(Speed, newangle);
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if (random[BatMove]() < 15)
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{
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A_PlaySound ("BatScream", CHAN_VOICE, 1, false, ATTN_IDLE);
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}
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// Handle Z movement
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SetZ(target.pos.Z + 2 * BobSin(args[0]));
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args[0] = (args[0] + 3) & 63;
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}
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}
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