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DrawablePositionLocator

Class Documentation

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A position rule of a targeting indicator: a base position, optionally moved by a distance along a direction. The client resolves it every time the indicator draws. If the base position is invalid, the indicator is not drawn in that frame.

The resolved position is the base position from basePosition. If distanceOffset is not 0, the client then takes the direction (dx, dy, dz) from orientationType, rotates it by angleOffsetRadian (a) and moves the position by distanceOffset (d):

x += (cos(a) * dx + sin(a) * dz) * d
z += (cos(a) * dz - sin(a) * dx) * d
y += dy * d

Orientations

orientationType and the orientation properties of the indicator classes (textureOrientation, fallbackDirection, mFallbackDirection, wallOrientation) all use this table:

Value Name Direction
0 World World +Z, (0, 0, 1).
1 Caster facing The facing direction of the caster. World +Z if the caster has none.
2 To target unit From the caster to the unit that the targeting mode tracks, if that unit is visible. Otherwise world +Z.
3 To cursor From the caster to the cursor on the ground plane. In drag-direction targeting, from the caster to the drag start. If the two points coincide, the caster facing.
4 Drag direction From the drag start to the drag end. Only in drag-direction targeting; otherwise world +Z.
other World World +Z.

Properties

angleOffsetRadian

F32 = 0
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Rotation of the offset direction about the vertical axis, in radians. Read only when distanceOffset is not 0.

basePosition

U32 = 0
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The base position:

Value Name Position
0 Caster The caster's position.
1 Offset target The offset target unit that the indicator is drawn for, if that unit is visible; otherwise the caster. A definition that uses this value in any of its locators is an offset indicator and draws once per offset target unit, see TargeterDefinition.
2 Target unit The unit that the targeting mode tracks. Invalid if there is none.
3 Cursor The cursor position. In drag-direction targeting, the drag end.
4 Second point The second point of the targeting mode. In drag-direction targeting it is the drag end. For other targeting kinds the point that it holds is not established.
5 Drag start The drag start in drag-direction targeting. Invalid in other targeting kinds.
6 Caller point A point that the caller of the draw passes in. Which point that is is not established.
7 Placed cursor The cursor position projected onto the ground. For some spells the client then moves it into a circular area around an object within 300 units. Which objects count is not established.
other Invalid The indicator is not drawn.

An invalid position skips the indicator for that frame.

distanceOffset

F32 = 0
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Distance, in world units, that the position moves from the base position along the rotated direction. If it is 0, the position is the base position and orientationType and angleOffsetRadian are not read.

orientationType

U32 = 0
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Direction of the offset, from the orientation table above.

Referenced by 10 classes · 16 properties