Jazz Jackrabbit 2 Online

#pragma name "Level Only"
#pragma description "Hides all players and HUD elements for cleaner screenshots. Hold left mouse button to move camera. F11 to take thumbnail screenshot. F8 to take thumbnail video."

//If your game crashes, you ran out of memory; try making one or both of these two numbers bigger:
const uint framerateDivisor = 1 << 3; //must be a power of two
const uint resolutionDivisor = 5;

//Defaults to the thumbnail size used by level-voting mutators
const uint thumbnailWidth = 200;
const uint thumbnailHeight = 150;























bool WasPressingF11 = false;

enum GIFState {
	None, AskYesNo, Recording, Done = Recording + 1024 / framerateDivisor
}
int CurrentGifState = GIFState::None;
string GifFilename;
jjANIMATION@ GifAnimation;

bool onDrawScore(jjPLAYER@, jjCANVAS@) { return true; }
bool onDrawHealth(jjPLAYER@, jjCANVAS@) { return true; }
bool onDrawLives(jjPLAYER@, jjCANVAS@) { return true; }
bool onDrawGameModeHUD(jjPLAYER@, jjCANVAS@) { return true; }

void onPlayerDraw(jjPLAYERDRAW& draw) {
	draw.sprite = false;
	draw.airboardPuff = false;
	draw.flag = TEAM::NEUTRAL;
	draw.gunFlash = false;
	draw.invincibility = false;
	draw.lightType = LIGHT::NONE;
	draw.morphingExplosions = false;
	draw.name = false;
	draw.shield[SHIELD::FIRE] = false;
	draw.shield[SHIELD::WATER] = false;
	draw.shield[SHIELD::PLASMA] = false;
	draw.shield[SHIELD::LASER] = false;
	draw.sugarRush = false;
	draw.trail = false;
	draw.player.idle = 0;
}

void HideChat() {
	for (uint i = 0; i < 8; ++i)
		jjAlert("");
}

void onPlayer(jjPLAYER@ play) {
	if (CurrentGifState >= GIFState::Recording) {
		play.cameraFreeze(
			(jjLayerWidth[4] * 32 + jjSin(CurrentGifState * framerateDivisor) * (jjLayerWidth[4] * 32 - jjSubscreenWidth)) / 2,
			(jjLayerHeight[4] * 32 + jjCos(CurrentGifState * framerateDivisor) * (jjLayerHeight[4] * 32 - jjSubscreenHeight)) / 2,
			true,true
		);
	} else if (jjKey[1]) {
		play.cameraFreeze(
			jjMouseX * (jjLayerWidth[4] * 32 - jjSubscreenWidth) / jjSubscreenWidth + jjSubscreenWidth / 2,
			jjMouseY * (jjLayerHeight[4] * 32 - jjSubscreenHeight) / jjSubscreenHeight + jjSubscreenHeight / 2,
			true,true
		);
	} else
		play.cameraUnfreeze(true);
}

void onMain() {
	switch (CurrentGifState) {
	case GIFState::None:
		if (jjKey[0x7A]) {
			if (!WasPressingF11 && jjTakeScreenshot("levelonlymut")) {
				jjAddObject(0,-1000,-1000, 0,CREATOR::OBJECT, behavior: function(obj) {
					if (obj.state == STATE::START) { //wait one gametick for *usrWantScreenshot to be processed
						obj.state = STATE::DELAYEDSTART;
						HideChat();
					} else {
						HideChat();
						string thumbFilename;
						jjCOLORMAP("Jazz2_as-levelonlymut.png", threshold:0).resize(thumbnailWidth,thumbnailHeight).save(thumbFilename = ("thumb-" + jjLevelFileName.substr(0,jjLevelFileName.length - 4) + ".png"));
						jjAlert("Screenshot saved with filename " + thumbFilename);
						obj.delete();
					}
				});
			}
			WasPressingF11 = true;
		} else {
			WasPressingF11 = false;
		
			if (jjKey[0x77])
				CurrentGifState = GIFState::AskYesNo;
		}
		break;
	case GIFState::AskYesNo:
		if (jjKey['Y'[0]]) {
			CurrentGifState = GIFState::Recording;
			uint customSetID = 0;
			while (jjAnimSets[ANIM::CUSTOM[customSetID]] != 0)
				customSetID += 1;
			@GifAnimation = jjAnimations[jjAnimSets[ANIM::CUSTOM[customSetID]].allocate(array<uint>={1024 / framerateDivisor})];
		} else if (jjKey['N'[0]]) {
			CurrentGifState = GIFState::None;
		}
		break;
	case GIFState::Done:
		if (jjKey[0xD]) //enter
			CurrentGifState = GIFState::None;
		break;
	default: //recording
		if (jjTakeScreenshot("levelonlymut")) {
			jjAddObject(0,-1000,-1000, 0,CREATOR::OBJECT, behavior: function(obj) {
				if (obj.state == STATE::START) { //wait one gametick for *usrWantScreenshot to be processed
					obj.state = STATE::DELAYEDSTART;
					HideChat();
				} else {
					HideChat();
					jjPIXELMAP(jjCOLORMAP("Jazz2_as-levelonlymut.png", threshold:0)).resize(jjResolutionWidth/resolutionDivisor, jjResolutionHeight/resolutionDivisor).save(jjAnimFrames[GifAnimation + CurrentGifState - GIFState::Recording]);
					if (++CurrentGifState == GIFState::Done) {
						GifAnimation.fps = 1500 / GifAnimation.frameCount;
						GifAnimation.save(GifFilename = ("preview-" + jjLevelFileName.substr(0,jjLevelFileName.length - 4) + ".gif"));
					}
					obj.delete();
				}
			});
		}
		break;
	}
}


bool onDrawAmmo(jjPLAYER@, jjCANVAS@ canvas) { 
	if (CurrentGifState == GIFState::AskYesNo || CurrentGifState == GIFState::Done) {
		canvas.drawRectangle(0,0, jjSubscreenWidth, jjSubscreenHeight, 0);
		
		array<string> strings;
		if (CurrentGifState == GIFState::AskYesNo) {
			strings = {"Record preview video?", "(Takes ~2 minutes)", "Press \\1Y\\6 or \\2N"};
		} else {
			strings = {"Video saved as", GifFilename, "Press |Enter"};
		}
		
		const int yDiff = jjSubscreenHeight / 8;
		int yPos = jjSubscreenHeight / 2 - yDiff;
		for (uint i = 0; i < 3; ++i, yPos += yDiff)
			canvas.drawString(0x8000, yPos, strings[i], STRING::MEDIUM);
	}
	
	return true;
}