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RobotTaskProviderRegistry.java
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RobotTaskProviderRegistry.java
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/**
* Copyright (c) 2011-2014, SpaceToad and the BuildCraft Team
* http://www.mod-buildcraft.com
*
* BuildCraft is distributed under the terms of the Minecraft Mod Public
* License 1.0, or MMPL. Please check the contents of the license located in
* http://www.mod-buildcraft.com/MMPL-1.0.txt
*/
package buildcraft.core.robots;
import java.util.ArrayList;
import java.util.Collections;
public final class RobotTaskProviderRegistry {
public static int callNb = 0;
private static ArrayList<IRobotTaskProvider> providers = new ArrayList<IRobotTaskProvider>();
/**
* Deactivate constructor
*/
private RobotTaskProviderRegistry() {
}
public static void registerProvider (IRobotTaskProvider provider) {
providers.add(provider);
}
public static void scanForTask (EntityRobot robot) {
callNb++;
if (callNb >= 31 /*prime number, could be bigger */) {
Collections.shuffle (providers);
}
for (int i = providers.size() - 1; i >= 0; --i) {
if (!providers.get(i).isActive()) {
providers.remove(i);
} else {
IRobotTaskProvider provider = providers.get(i);
if (provider.getWorld() == robot.worldObj) {
double dx = robot.posX - provider.getX();
double dy = robot.posY - provider.getY();
double dz = robot.posZ - provider.getZ();
// TODO: 30 blocks is the current magic constant for robot
// task scan. Could be variable instead.
if (dx * dx + dy * dy + dz * dz < 30 * 30) {
IRobotTask task = provider.getNextTask(robot);
if (task != null && robot.acceptTask(task)) {
robot.currentTask = task;
task.setup(robot);
provider.popNextTask();
return;
}
}
}
}
}
}
}