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# Unit AI for gather and build.

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JS and XML changes to allow entities to respond to TargetExhausted
events. (They will look around for a new target to build or gather,
depending on the type of the previous action).

This was SVN commit r4530.
This commit is contained in:
Matei 2006-10-09 04:16:01 +00:00
parent 5de9ed7444
commit a4582caa0c
2 changed files with 63 additions and 5 deletions
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1
binaries/data/mods/official/entities/template_entity_full.xml
View File

@ -18,6 +18,7 @@
<Script File="scripts/entity_functions.js" />
<Event On="Generic" Function="entityEventGeneric" />
<Event On="TargetExhausted" Function="entityEventTargetExhausted" />
<Event On="TargetChanged" Function="entityEventTargetChanged" />
<Event On="Notification" Function="entityEventNotification" />
<Event On="Formation" Function="entityEventFormation" />

67
binaries/data/mods/official/scripts/entity_functions.js
View File

@ -69,6 +69,7 @@ function entityInit( evt )
{
// Might happen if the player clicks to place 2 buildings really fast
evt.preventDefault();
stopXTimer(1);
return;
}
}
@ -1008,13 +1009,13 @@ function entityEventNotification( evt )
break;
case NOTIFY_ATTACK:
case NOTIFY_DAMAGE:
this.order( ORDER_GENERIC, evt.target, ACTION_ATTACK, true );
this.order( ORDER_GENERIC, evt.target, ACTION_ATTACK );
break;
case NOTIFY_HEAL:
this.order( ORDER_GENERIC, evt.target, ACTION_HEAL, true );
this.order( ORDER_GENERIC, evt.target, ACTION_HEAL );
break;
case NOTIFY_GATHER:
this.order( ORDER_GENERIC, evt.target, ACTION_GATHER, true );
this.order( ORDER_GENERIC, evt.target, ACTION_GATHER );
break;
case NOTIFY_IDLE:
//target is the unit that has become idle. Eventually...do something here.
@ -1059,6 +1060,61 @@ function entityEventIdle( evt )
// ====================================================================
function entityEventTargetExhausted( evt )
{
if( evt.action == ACTION_GATHER )
{
// Look for other stuff of the same kind to gather
var visible = this.getVisibleEntities();
var bestDist = 1e20;
var bestTarget = null;
for( var i=0; i<visible.length; i++ )
{
var e = visible[i];
if( canGather( this, e )
&& e.traits.supply.subType.toString() == evt.target.traits.supply.subType.toString() )
{
var dist = this.getDistance( e );
if( dist < bestDist )
{
bestDist = dist;
bestTarget = e;
}
}
}
if( bestTarget != null )
{
this.order( ORDER_GENERIC, bestTarget, ACTION_GATHER );
}
}
else if( evt.action == ACTION_BUILD )
{
// Look for other stuff to build
var visible = this.getVisibleEntities();
var bestDist = 1e20;
var bestTarget = null;
for( var i=0; i<visible.length; i++ )
{
var e = visible[i];
if( canBuild( this, e ) )
{
var dist = this.getDistance( e );
if( dist < bestDist )
{
bestDist = dist;
bestTarget = e;
}
}
}
if( bestTarget != null )
{
this.order( ORDER_GENERIC, bestTarget, ACTION_BUILD );
}
}
}
// ====================================================================
function entityEventTargetChanged( evt )
{
// This event lets us know when the user moves his/her cursor to a different unit (provided this
@ -1691,7 +1747,7 @@ function checkEntityReqs( player, template )
function canGather( source, target )
{
// Checks whether we're allowed to gather from a target entity (this involves looking at both the type and subType).
if( !source.actions )
if( !source.actions || !target.traits )
return false;
g = source.actions.gather;
s = target.traits.supply;
@ -1709,7 +1765,8 @@ function canBuild( source, target )
if( !source.actions )
return false;
b = source.actions.build;
return (b && target.building != "" && target.player.id == source.player.id );
return (b && target.building != "" && target.player.id == source.player.id
&& target.buildPoints.curr < target.buildPoints.max );
}
// ====================================================================