1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
function placeOilDrum()
{
var drums = enumFeature(ALL_PLAYERS, "OilDrum").length;
if (drums >= oilDrumData.maxOilDrums)
{
return;
}
var x = syncRandom(mapWidth - 20) + 10;
var y = syncRandom(mapHeight - 20) + 10;
// Don't allow placement of structures onto a potential drum location if a truck
// could suddenly built something near it.
var nearbyTruck = false;
const SCAN_RANGE_TRUCKS = 6;
var nearbyObjects = enumRange(x, y, SCAN_RANGE_TRUCKS, ALL_PLAYERS, false);
for (let i = 0, len = nearbyObjects.length; i < len; ++i)
{
var object = nearbyObjects[i];
if (object.type === DROID && object.droidType === DROID_CONSTRUCT)
{
nearbyTruck = true;
break;
}
}
// scan about the same radius as the biggest game objects in the case a drum
// wants to be placed near once. This way the scan should touch the center
// tile of the object.
const SCAN_RANGE_OCCUPIED = 3;
// see if the random position is valid
var occupied = (enumRange(x, y, SCAN_RANGE_OCCUPIED, ALL_PLAYERS, false).length > 0);
var unreachable = true;
for (let i = 0; i < maxPlayers; ++i)
{
if (propulsionCanReach("hover01", x, y, startPositions[i].x, startPositions[i].y))
{
unreachable = false;
break;
}
}
var terrain = terrainType(x, y);
if (terrain === TER_WATER || terrain === TER_CLIFFFACE)
{
unreachable = true;
}
if (occupied || unreachable || nearbyTruck || (gameTime - oilDrumData.lastSpawn <= 200))
{
// try again in a different position after 1 second
queue("placeOilDrum", 1000);
return;
}
oilDrumData.lastSpawn = gameTime;
addFeature("OilDrum", x, y);
}
function eventPickup(feature, droid)
{
if (feature.stattype === OIL_DRUM)
{
var delay;
// generate Geom(1/6) distribution for oil drum respawn delay
for (delay = 0; ; ++delay)
{
if (syncRandom(6) === 0)
{
break;
}
}
if (oilDrumData.delay > 120000)
{
oilDrumData.delay = 0;
}
oilDrumData.delay += 100;
// amounts to 10 minutes average respawn time
queue("placeOilDrum", (delay * 120000) + oilDrumData.delay);
}
}
function oilDrumInit()
{
// always at least one oil drum, and one more for every 64x64 tiles of map area
oilDrumData.maxOilDrums = (mapWidth * mapHeight) >> 12; // replace float division with shift for sync-safety
for (let i = 0; i < oilDrumData.maxOilDrums; ++i)
{
queue("placeOilDrum", 10000 * i);
}
}
|
