leap.nekoweb.org
Scratch 3 runtime for J2ME devices.
1package leap.s3me.scratch.blocks;
2
3import leap.s3me.Interpret;
4import leap.s3me.Pair;
5import leap.s3me.Scratch;
6import leap.s3me.scratch.Block;
7import leap.s3me.scratch.BlockChain;
8import leap.s3me.scratch.BlockExecutor;
9import leap.s3me.scratch.Input;
10import leap.s3me.scratch.Sprite;
11import leap.s3me.scratch.Value;
12
13public class EventBlocks {
14 public static class FlagClicked implements BlockExecutor.BlockHandler {
15 public int run(Block block, Sprite sprite, boolean[] withoutScreenRefresh, boolean fromRepeat) {
16 return BlockExecutor.RESULT_CONTINUE;
17 }
18 }
19
20 public static class WhenBackdropSwitchesTo implements BlockExecutor.BlockHandler {
21 public int run(Block block, Sprite sprite, boolean[] withoutScreenRefresh, boolean fromRepeat) {
22 return BlockExecutor.RESULT_CONTINUE;
23 }
24 }
25
26 public static class Broadcast implements BlockExecutor.BlockHandler {
27 public int run(Block block, Sprite sprite, boolean[] withoutScreenRefresh, boolean fromRepeat) {
28 Interpret.broadcastQueue.addElement(Scratch.getInputValue(block, "BROADCAST_INPUT", sprite).asString());
29 return BlockExecutor.RESULT_CONTINUE;
30 }
31 }
32
33 public static class BroadcastAndWait implements BlockExecutor.BlockHandler {
34 public int run(Block block, Sprite sprite, boolean[] withoutScreenRefresh, boolean fromRepeat) {
35 if (block.repeatTimes != -1 && !fromRepeat) {
36 block.repeatTimes = -1;
37 }
38
39 if (block.repeatTimes == -1) {
40 block.repeatTimes = -10;
41 BlockExecutor.addToRepeatQueue(sprite, block);
42 block.broadcastsRun = BlockExecutor.runBroadcast(Scratch.getInputValue(block, "BROADCAST_INPUT", sprite).asString());
43 }
44
45 boolean shouldEnd = true;
46 for (int i = 0; i < block.broadcastsRun.size(); i++) {
47 Pair pair = (Pair)block.broadcastsRun.elementAt(i);
48 Block blockPtr = (Block)pair.first;
49 Sprite spritePtr = (Sprite)pair.second;
50
51 if (!((BlockChain)spritePtr.blockChains.get(blockPtr.blockChainID)).blocksToRepeat.isEmpty()) {
52 shouldEnd = false;
53 break;
54 }
55 }
56
57 if (!shouldEnd) return BlockExecutor.RESULT_RETURN;
58
59 block.repeatTimes = -1;
60 BlockExecutor.removeFromRepeatQueue(sprite, block);
61 return BlockExecutor.RESULT_CONTINUE;
62 }
63 }
64
65 public static class WhenKeyPressed implements BlockExecutor.BlockHandler {
66 public int run(Block block, Sprite sprite, boolean[] withoutScreenRefresh, boolean fromRepeat) {
67 if (Input.isKeyPressed(Scratch.getFieldValue(block, "KEY_OPTION"))) {
68 return BlockExecutor.RESULT_CONTINUE;
69 }
70 return BlockExecutor.RESULT_RETURN;
71 }
72 }
73}