Examples with DiscreteMovementCommand com.microsoft.Malmo.Schemas.DiscreteMovementCommand used on opensource projects

Example 1 with DiscreteMovementCommand

use of com.microsoft.Malmo.Schemas.DiscreteMovementCommand in project malmo by Microsoft.

the class DiscreteMovementCommandsImplementation method onExecute.

@Override
protected boolean onExecute(String verb, String parameter, MissionInit missionInit) {
    boolean handled = false;
    EntityPlayerSP player = Minecraft.getMinecraft().player;
    if (player != null) {
        int z = 0;
        int x = 0;
        int y = 0;
        DiscreteMovementCommand command = verbToCommand(verb);
        if (command == null)
            // Did not recognise this command.
            return false;
        switch(command) {
            case MOVENORTH:
            case JUMPNORTH:
                z = -1;
                break;
            case MOVESOUTH:
            case JUMPSOUTH:
                z = 1;
                break;
            case MOVEEAST:
            case JUMPEAST:
                x = 1;
                break;
            case MOVEWEST:
            case JUMPWEST:
                x = -1;
                break;
            case MOVE:
            case JUMPMOVE:
            case STRAFE:
            case JUMPSTRAFE:
                if (parameter != null && parameter.length() != 0) {
                    float velocity = Float.valueOf(parameter);
                    int offset = (velocity > 0) ? 1 : ((velocity < 0) ? -1 : 0);
                    int direction = getDirectionFromYaw(player.rotationYaw);
                    // For strafing, add one to direction:
                    if (command == DiscreteMovementCommand.STRAFE || command == DiscreteMovementCommand.JUMPSTRAFE)
                        direction = (direction + 1) % 4;
                    switch(direction) {
                        case // North
                        0:
                            z = offset;
                            break;
                        case // East
                        1:
                            x = -offset;
                            break;
                        case // South
                        2:
                            z = -offset;
                            break;
                        case // West
                        3:
                            x = offset;
                            break;
                    }
                    break;
                }
            case TURN:
                if (parameter != null && parameter.length() != 0) {
                    float yawDelta = Float.valueOf(parameter);
                    int direction = getDirectionFromYaw(player.rotationYaw);
                    direction += (yawDelta > 0) ? 1 : ((yawDelta < 0) ? -1 : 0);
                    direction = (direction + 4) % 4;
                    player.rotationYaw = direction * 90;
                    player.onUpdate();
                    // Send a message that the ContinuousMovementCommands can pick up on:
                    Event event = new CommandForWheeledRobotNavigationImplementation.ResetPitchAndYawEvent(true, player.rotationYaw, false, 0);
                    MinecraftForge.EVENT_BUS.post(event);
                    handled = true;
                }
                break;
            case LOOK:
                if (parameter != null && parameter.length() != 0) {
                    float pitchDelta = Float.valueOf(parameter);
                    player.rotationPitch += (pitchDelta < 0) ? -45 : ((pitchDelta > 0) ? 45 : 0);
                    player.onUpdate();
                    // Send a message that the ContinuousMovementCommands can pick up on:
                    Event event = new CommandForWheeledRobotNavigationImplementation.ResetPitchAndYawEvent(false, 0, true, player.rotationPitch);
                    MinecraftForge.EVENT_BUS.post(event);
                    handled = true;
                }
                break;
            case ATTACK:
                {
                    RayTraceResult mop = Minecraft.getMinecraft().objectMouseOver;
                    if (mop.typeOfHit == RayTraceResult.Type.BLOCK) {
                        BlockPos hitPos = mop.getBlockPos();
                        EnumFacing face = mop.sideHit;
                        IBlockState iblockstate = player.world.getBlockState(hitPos);
                        Block block = iblockstate.getBlock();
                        if (iblockstate.getMaterial() != Material.AIR) {
                            MalmoMod.network.sendToServer(new AttackActionMessage(hitPos, face, mop.hitVec));
                            // Trigger a reward for collecting the block
                            java.util.List<ItemStack> items = block.getDrops(player.world, hitPos, iblockstate, 0);
                            for (ItemStack item : items) {
                                RewardForCollectingItemImplementation.GainItemEvent event = new RewardForCollectingItemImplementation.GainItemEvent(item);
                                MinecraftForge.EVENT_BUS.post(event);
                            }
                        }
                    }
                    handled = true;
                    break;
                }
            case USE:
            case JUMPUSE:
                {
                    RayTraceResult mop = getObjectMouseOver(command);
                    if (mop.typeOfHit == RayTraceResult.Type.BLOCK) {
                        if (player.inventory.getCurrentItem() != null) {
                            ItemStack itemStack = player.inventory.getCurrentItem();
                            Block b = Block.getBlockFromItem(itemStack.getItem());
                            if (b != null) {
                                BlockPos pos = mop.getBlockPos().add(mop.sideHit.getDirectionVec());
                                // Can we place this block here?
                                AxisAlignedBB axisalignedbb = b.getDefaultState().getCollisionBoundingBox(player.world, pos);
                                Entity exceptedEntity = (command == DiscreteMovementCommand.USE) ? null : player;
                                // (Not ideal, but needed by jump-use to allow the player to place a block where their feet would be.)
                                if (axisalignedbb == null || player.world.checkNoEntityCollision(axisalignedbb.offset(pos), exceptedEntity)) {
                                    boolean standOnBlockPlaced = (command == DiscreteMovementCommand.JUMPUSE && mop.getBlockPos().equals(new BlockPos(player.posX, player.posY - 1, player.posZ)));
                                    MalmoMod.network.sendToServer(new UseActionMessage(mop.getBlockPos(), itemStack, mop.sideHit, standOnBlockPlaced, mop.hitVec));
                                }
                            }
                        }
                    }
                    handled = true;
                    break;
                }
            case JUMP:
                // Handled below.
                break;
        }
        // Handle jumping cases:
        if (command == DiscreteMovementCommand.JUMP || command == DiscreteMovementCommand.JUMPNORTH || command == DiscreteMovementCommand.JUMPEAST || command == DiscreteMovementCommand.JUMPSOUTH || command == DiscreteMovementCommand.JUMPWEST || command == DiscreteMovementCommand.JUMPMOVE || command == DiscreteMovementCommand.JUMPUSE || command == DiscreteMovementCommand.JUMPSTRAFE)
            y = 1;
        if (this.params.isAutoJump() && y == 0 && (z != 0 || x != 0)) {
            // Do we need to jump?
            if (!player.world.getCollisionBoxes(player, player.getEntityBoundingBox().offset(x, 0, z)).isEmpty())
                y = 1;
        }
        if (z != 0 || x != 0 || y != 0) {
            // Attempt to move the entity:
            double oldX = player.posX;
            double oldZ = player.posZ;
            player.move(MoverType.SELF, (double) x, (double) y, (double) z);
            player.onUpdate();
            if (this.params.isAutoFall()) {
                // Did we step off a block? If so, attempt to fast-forward our fall.
                // Give up after this many attempts
                int bailCountdown = 256;
                // (This is needed because, for example, if the player is caught in a web, the downward movement will have no effect.)
                while (!player.onGround && !player.capabilities.isFlying && bailCountdown > 0) {
                    // Fast-forward downwards.
                    player.move(MoverType.SELF, 0.0, Math.floor(player.posY - 0.0000001) - player.posY, 0.0);
                    player.onUpdate();
                    bailCountdown--;
                }
            }
            // Now check where we ended up:
            double newX = player.posX;
            double newZ = player.posZ;
            // Are we still in the centre of a square, or did we get shunted?
            double offsetX = newX - Math.floor(newX);
            double offsetZ = newZ - Math.floor(newZ);
            if (Math.abs(offsetX - 0.5) + Math.abs(offsetZ - 0.5) > 0.01) {
                // We failed to move to the centre of the target square.
                // This might be because the target square was occupied, and we
                // were shunted back into our source square,
                // or it might be that the target square is occupied by something smaller
                // than one block (eg a fence post), and we're in the target square but
                // shunted off-centre.
                // Either way, we can't stay here, so move back to our original position.
                // Before we do that, fire off a message - this will give the TouchingBlockType handlers
                // a chance to react to the current position:
                DiscretePartialMoveEvent event = new DiscretePartialMoveEvent(player.posX, player.posY, player.posZ);
                MinecraftForge.EVENT_BUS.post(event);
                // Now adjust the player:
                player.move(MoverType.SELF, oldX - newX, 0.0, oldZ - newZ);
                player.onUpdate();
            }
            // Now set the last tick pos values, to turn off inter-tick positional interpolation:
            player.lastTickPosX = player.posX;
            player.lastTickPosY = player.posY;
            player.lastTickPosZ = player.posZ;
            try {
                MalmoMod.getPropertiesForCurrentThread().put(MOVE_ATTEMPTED_KEY, true);
            } catch (Exception e) {
                // TODO - proper error reporting.
                System.out.println("Failed to access properties for the client thread after discrete movement - reward may be incorrect.");
            }
            handled = true;
        }
    }
    return handled;
}