vcmi/client/render/AssetGenerator.cpp

/*
 * AssetGenerator.cpp, part of VCMI engine
 *
 * Authors: listed in file AUTHORS in main folder
 *
 * License: GNU General Public License v2.0 or later
 * Full text of license available in license.txt file, in main folder
 *
 */
#include "StdInc.h"
#include "AssetGenerator.h"

#include "../GameEngine.h"
#include "../render/IImage.h"
#include "../render/IImageLoader.h"
#include "../render/Canvas.h"
#include "../render/CanvasImage.h"
#include "../render/ColorFilter.h"
#include "../render/IRenderHandler.h"
#include "../render/CAnimation.h"
#include "../render/Colors.h"

#include "../lib/filesystem/Filesystem.h"
#include "../lib/GameSettings.h"
#include "../lib/IGameSettings.h"
#include "../lib/json/JsonNode.h"
#include "../lib/VCMIDirs.h"
#include "../lib/GameLibrary.h"
#include "../lib/RiverHandler.h"
#include "../lib/RoadHandler.h"
#include "../lib/TerrainHandler.h"

void AssetGenerator::initialize()
{
	// clear to avoid non updated sprites after mod change (if base imnages are used)
	if(boost::filesystem::is_directory(VCMIDirs::get().userDataPath() / "Generated"))
		boost::filesystem::remove_all(VCMIDirs::get().userDataPath() / "Generated");

	imageFiles[ImagePath::builtin("AdventureOptionsBackgroundClear.png")] = [this](){ return createAdventureOptionsCleanBackground();};
	imageFiles[ImagePath::builtin("SpellBookLarge.png")] = [this](){ return createBigSpellBook();};

	imageFiles[ImagePath::builtin("combatUnitNumberWindowDefault.png")]  = [this](){ return createCombatUnitNumberWindow(0.6f, 0.2f, 1.0f);};
	imageFiles[ImagePath::builtin("combatUnitNumberWindowNeutral.png")]  = [this](){ return createCombatUnitNumberWindow(1.0f, 1.0f, 2.0f);};
	imageFiles[ImagePath::builtin("combatUnitNumberWindowPositive.png")] = [this](){ return createCombatUnitNumberWindow(0.2f, 1.0f, 0.2f);};
	imageFiles[ImagePath::builtin("combatUnitNumberWindowNegative.png")] = [this](){ return createCombatUnitNumberWindow(1.0f, 0.2f, 0.2f);};

	imageFiles[ImagePath::builtin("CampaignBackground4.png")] = [this]() { return createCampaignBackground(4); };
	imageFiles[ImagePath::builtin("CampaignBackground5.png")] = [this]() { return createCampaignBackground(5); };
	imageFiles[ImagePath::builtin("CampaignBackground6.png")] = [this]() { return createCampaignBackground(6); };
	imageFiles[ImagePath::builtin("CampaignBackground7.png")] = [this]() { return createCampaignBackground(7); };
	imageFiles[ImagePath::builtin("CampaignBackground8.png")] = [this]() { return createCampaignBackground(8); };

	imageFiles[ImagePath::builtin("SpelTabNone.png")] = [this](){ return createSpellTabNone();};
	for (PlayerColor color(-1); color < PlayerColor::PLAYER_LIMIT; ++color)
	{
		std::string name = "ResBarElement" + (color == -1 ? "" : "-" + color.toString());
		imageFiles[ImagePath::builtin(name)] = [this, color](){ return createResBarElement(std::max(PlayerColor(0), color));};
	}

	imageFiles[ImagePath::builtin("stackWindow/info-panel-0.png")] = [this](){ return createCreatureInfoPanel(2);};
	imageFiles[ImagePath::builtin("stackWindow/info-panel-1.png")] = [this](){ return createCreatureInfoPanel(3);};
	imageFiles[ImagePath::builtin("stackWindow/info-panel-2.png")] = [this](){ return createCreatureInfoPanel(4);};
	imageFiles[ImagePath::builtin("stackWindow/bonus-effects.png")] = [this](){ return createCreatureInfoPanelElement(BONUS_EFFECTS);};
	imageFiles[ImagePath::builtin("stackWindow/spell-effects.png")] = [this](){ return createCreatureInfoPanelElement(SPELL_EFFECTS);};
	imageFiles[ImagePath::builtin("stackWindow/button-panel.png")] = [this](){ return createCreatureInfoPanelElement(BUTTON_PANEL);};
	imageFiles[ImagePath::builtin("stackWindow/commander-bg.png")] = [this](){ return createCreatureInfoPanelElement(COMMANDER_BACKGROUND);};
	imageFiles[ImagePath::builtin("stackWindow/commander-abilities.png")] = [this](){ return createCreatureInfoPanelElement(COMMANDER_ABILITIES);};
	imageFiles[ImagePath::builtin("questDialog.png")] = [this](){ return createQuestWindow();};

	for (PlayerColor color(0); color < PlayerColor::PLAYER_LIMIT; ++color)
		imageFiles[ImagePath::builtin("DialogBoxBackground_" + color.toString())] = [this, color](){ return createPlayerColoredBackground(color);};

	for(int i = 1; i < 9; i++)
		imageFiles[ImagePath::builtin("CampaignHc" + std::to_string(i) + "Image.png")] = [this, i](){ return createChroniclesCampaignImages(i);};
	
	animationFiles[AnimationPath::builtin("SPRITES/adventureLayersButton")] = createAdventureMapButton(ImagePath::builtin("adventureLayers.png"));

	createPaletteShiftedSprites();
}

std::shared_ptr<ISharedImage> AssetGenerator::generateImage(const ImagePath & image)
{
	if (imageFiles.count(image))
		return imageFiles.at(image)()->toSharedImage(); // TODO: cache?
	else
		return nullptr;
}

std::map<ImagePath, std::shared_ptr<ISharedImage>> AssetGenerator::generateAllImages()
{
	std::map<ImagePath, std::shared_ptr<ISharedImage>> result;

	for (const auto & entry : imageFiles)
		result[entry.first] = entry.second()->toSharedImage();

	return result;
}

std::map<AnimationPath, AssetGenerator::AnimationLayoutMap> AssetGenerator::generateAllAnimations()
{
	return animationFiles;
}

AssetGenerator::CanvasPtr AssetGenerator::createAdventureOptionsCleanBackground() const
{
	auto locator = ImageLocator(ImagePath::builtin("ADVOPTBK"), EImageBlitMode::OPAQUE);

	std::shared_ptr<IImage> img = ENGINE->renderHandler().loadImage(locator);

	auto image = ENGINE->renderHandler().createImage(Point(575, 585), CanvasScalingPolicy::IGNORE);
	Canvas canvas = image->getCanvas();

	canvas.draw(img, Point(0, 0), Rect(0, 0, 575, 585));
	canvas.draw(img, Point(54, 121), Rect(54, 123, 335, 1));
	canvas.draw(img, Point(158, 84), Rect(156, 84, 2, 37));
	canvas.draw(img, Point(234, 84), Rect(232, 84, 2, 37));
	canvas.draw(img, Point(310, 84), Rect(308, 84, 2, 37));
	canvas.draw(img, Point(53, 567), Rect(53, 520, 339, 3));
	canvas.draw(img, Point(53, 520), Rect(53, 264, 339, 47));

	return image;
}

AssetGenerator::CanvasPtr AssetGenerator::createBigSpellBook() const
{
	auto locator = ImageLocator(ImagePath::builtin("SpelBack"), EImageBlitMode::OPAQUE);

	std::shared_ptr<IImage> img = ENGINE->renderHandler().loadImage(locator);
	auto image = ENGINE->renderHandler().createImage(Point(800, 600), CanvasScalingPolicy::IGNORE);
	Canvas canvas = image->getCanvas();
	// edges
	canvas.draw(img, Point(0, 0), Rect(15, 38, 90, 45));
	canvas.draw(img, Point(0, 460), Rect(15, 400, 90, 141));
	canvas.draw(img, Point(705, 0), Rect(509, 38, 95, 45));
	canvas.draw(img, Point(705, 460), Rect(509, 400, 95, 141));
	// left / right
	Canvas tmp1 = Canvas(Point(90, 355 - 45), CanvasScalingPolicy::IGNORE);
	tmp1.draw(img, Point(0, 0), Rect(15, 38 + 45, 90, 355 - 45));
	canvas.drawScaled(tmp1, Point(0, 45), Point(90, 415));
	Canvas tmp2 = Canvas(Point(95, 355 - 45), CanvasScalingPolicy::IGNORE);
	tmp2.draw(img, Point(0, 0), Rect(509, 38 + 45, 95, 355 - 45));
	canvas.drawScaled(tmp2, Point(705, 45), Point(95, 415));
	// top / bottom
	Canvas tmp3 = Canvas(Point(409, 45), CanvasScalingPolicy::IGNORE);
	tmp3.draw(img, Point(0, 0), Rect(100, 38, 409, 45));
	canvas.drawScaled(tmp3, Point(90, 0), Point(615, 45));
	Canvas tmp4 = Canvas(Point(409, 141), CanvasScalingPolicy::IGNORE);
	tmp4.draw(img, Point(0, 0), Rect(100, 400, 409, 141));
	canvas.drawScaled(tmp4, Point(90, 460), Point(615, 141));
	// middle
	Canvas tmp5 = Canvas(Point(409, 141), CanvasScalingPolicy::IGNORE);
	tmp5.draw(img, Point(0, 0), Rect(100, 38 + 45, 509 - 15, 400 - 38));
	canvas.drawScaled(tmp5, Point(90, 45), Point(615, 415));
	// carpet
	Canvas tmp6 = Canvas(Point(590, 59), CanvasScalingPolicy::IGNORE);
	tmp6.draw(img, Point(0, 0), Rect(15, 484, 590, 59));
	canvas.drawScaled(tmp6, Point(0, 545), Point(800, 59));
	// remove bookmarks
	for (int i = 0; i < 56; i++)
		canvas.draw(Canvas(canvas, Rect(i < 30 ? 268 : 327, 464, 1, 46)), Point(269 + i, 464));
	for (int i = 0; i < 56; i++)
		canvas.draw(Canvas(canvas, Rect(469, 464, 1, 42)), Point(470 + i, 464));
	for (int i = 0; i < 57; i++)
		canvas.draw(Canvas(canvas, Rect(i < 30 ? 564 : 630, 464, 1, 44)), Point(565 + i, 464));
	for (int i = 0; i < 56; i++)
		canvas.draw(Canvas(canvas, Rect(656, 464, 1, 47)), Point(657 + i, 464));
	// draw bookmarks
	canvas.draw(img, Point(278, 464), Rect(220, 405, 37, 47));
	canvas.draw(img, Point(481, 465), Rect(354, 406, 37, 41));
	canvas.draw(img, Point(575, 465), Rect(417, 406, 37, 45));
	canvas.draw(img, Point(667, 465), Rect(478, 406, 37, 47));

	return image;
}

AssetGenerator::CanvasPtr AssetGenerator::createPlayerColoredBackground(const PlayerColor & player) const
{
	auto locator = ImageLocator(ImagePath::builtin("DiBoxBck"), EImageBlitMode::OPAQUE);

	std::shared_ptr<IImage> texture = ENGINE->renderHandler().loadImage(locator);

	// transform to make color of brown DIBOX.PCX texture match color of specified player
	auto filterSettings = LIBRARY->settingsHandler->getFullConfig()["interface"]["playerColoredBackground"];
	static const std::array<ColorFilter, PlayerColor::PLAYER_LIMIT_I> filters = {
		ColorFilter::genRangeShifter( filterSettings["red"   ].convertTo<std::vector<float>>() ),
		ColorFilter::genRangeShifter( filterSettings["blue"  ].convertTo<std::vector<float>>() ),
		ColorFilter::genRangeShifter( filterSettings["tan"   ].convertTo<std::vector<float>>() ),
		ColorFilter::genRangeShifter( filterSettings["green" ].convertTo<std::vector<float>>() ),
		ColorFilter::genRangeShifter( filterSettings["orange"].convertTo<std::vector<float>>() ),
		ColorFilter::genRangeShifter( filterSettings["purple"].convertTo<std::vector<float>>() ),
		ColorFilter::genRangeShifter( filterSettings["teal"  ].convertTo<std::vector<float>>() ),
		ColorFilter::genRangeShifter( filterSettings["pink"  ].convertTo<std::vector<float>>() )
	};

	assert(player.isValidPlayer());
	if (!player.isValidPlayer())
		throw std::runtime_error("Unable to colorize to invalid player color" + std::to_string(player.getNum()));

	texture->adjustPalette(filters[player.getNum()], 0);

	auto image = ENGINE->renderHandler().createImage(texture->dimensions(), CanvasScalingPolicy::IGNORE);
	Canvas canvas = image->getCanvas();
	canvas.draw(texture, Point(0,0));

	return image;
}

AssetGenerator::CanvasPtr AssetGenerator::createCombatUnitNumberWindow(float multR, float multG, float multB) const
{
	auto locator = ImageLocator(ImagePath::builtin("CMNUMWIN"), EImageBlitMode::OPAQUE);
	locator.layer = EImageBlitMode::OPAQUE;

	std::shared_ptr<IImage> texture = ENGINE->renderHandler().loadImage(locator);

	const auto shifter= ColorFilter::genRangeShifter(0.f, 0.f, 0.f, multR, multG, multB);

	// do not change border color
	static const int32_t ignoredMask = 1 << 26;

	texture->adjustPalette(shifter, ignoredMask);

	auto image = ENGINE->renderHandler().createImage(texture->dimensions(), CanvasScalingPolicy::IGNORE);
	Canvas canvas = image->getCanvas();
	canvas.draw(texture, Point(0,0));

	return image;
}

AssetGenerator::CanvasPtr AssetGenerator::createCampaignBackground(int selection) const
{

	auto locator = ImageLocator(ImagePath::builtin("CAMPBACK"), EImageBlitMode::OPAQUE);
	std::shared_ptr<IImage> img = ENGINE->renderHandler().loadImage(locator);

	auto image = ENGINE->renderHandler().createImage(Point(800, 600), CanvasScalingPolicy::IGNORE);
	Canvas canvas = image->getCanvas();
	canvas.draw(img, Point(0, 0), Rect(0, 0, 800, 600));

	// BigBlock section
	auto bigBlock = ENGINE->renderHandler().createImage(Point(248, 114), CanvasScalingPolicy::IGNORE);
	Rect bigBlockRegion(292, 74, 248, 114);
	Canvas croppedBigBlock = bigBlock->getCanvas();
	croppedBigBlock.draw(img, Point(0, 0), bigBlockRegion);
	Point bigBlockSize(200, 114);

	// SmallBlock section
	auto smallBlock = ENGINE->renderHandler().createImage(Point(248, 114), CanvasScalingPolicy::IGNORE);
	Canvas croppedSmallBlock = smallBlock->getCanvas();
	croppedSmallBlock.draw(img, Point(0, 0), bigBlockRegion);
	Point smallBlockSize(134, 114);

	// Tripple block section
	auto trippleBlock = ENGINE->renderHandler().createImage(Point(72, 116), CanvasScalingPolicy::IGNORE);
	Rect trippleBlockSection(512, 246, 72, 116);
	Canvas croppedTrippleBlock = trippleBlock->getCanvas();
	croppedTrippleBlock.draw(img, Point(0, 0), trippleBlockSection);
	Point trippleBlockSize(70, 114);


	// First campaigns line
	if (selection > 7)
	{
		// Rebuild 1. campaigns line from 2 to 3 fields
		canvas.drawScaled(bigBlock->getCanvas(), Point(40, 72), bigBlockSize);
		canvas.drawScaled(trippleBlock->getCanvas(), Point(240, 73), trippleBlockSize);
		canvas.drawScaled(bigBlock->getCanvas(), Point(310, 72), bigBlockSize);
		canvas.drawScaled(trippleBlock->getCanvas(), Point(510, 72), trippleBlockSize);
		canvas.drawScaled(bigBlock->getCanvas(), Point(580, 72), bigBlockSize);
		canvas.drawScaled(trippleBlock->getCanvas(), Point(780, 72), trippleBlockSize);
	} 
	else
	{
		// Empty 1 + 2. field
		canvas.drawScaled(bigBlock->getCanvas(), Point(90, 72), bigBlockSize);
		canvas.drawScaled(bigBlock->getCanvas(), Point(540, 72), bigBlockSize);
	}

	// Second campaigns line
	// 3. Field
	canvas.drawScaled(bigBlock->getCanvas(), Point(43, 245), bigBlockSize);

	if (selection == 4)
	{
		// Disabled 4. field
		canvas.drawScaled(trippleBlock->getCanvas(), Point(310, 245), trippleBlockSize);
		canvas.drawScaled(smallBlock->getCanvas(), Point(380, 245), smallBlockSize);
	}
	else
	{
		// Empty 4. field
		canvas.drawScaled(bigBlock->getCanvas(), Point(314, 244), bigBlockSize);
	}
	
	// 5. Field
	canvas.drawScaled(bigBlock->getCanvas(), Point(586, 246), bigBlockSize);

	// Third campaigns line
	// 6. Field
	if (selection >= 6)
	{
		canvas.drawScaled(bigBlock->getCanvas(), Point(32, 417), bigBlockSize);
	}
	else
	{
		canvas.drawScaled(trippleBlock->getCanvas(), Point(30, 417), trippleBlockSize);
		canvas.drawScaled(smallBlock->getCanvas(), Point(100, 417), smallBlockSize);
	}

	auto locatorSkull = ImageLocator(ImagePath::builtin("CAMPNOSC"), EImageBlitMode::OPAQUE);
	std::shared_ptr<IImage> imgSkull = ENGINE->renderHandler().loadImage(locatorSkull);

	if (selection >= 7)
	{
		// Only skull part
		canvas.drawScaled(bigBlock->getCanvas(), Point(404, 417), bigBlockSize);
		canvas.draw(imgSkull, Point(563, 512), Rect(178, 108, 43, 19));
	}
	else
	{
		// Original disabled field with skull and stone for 8. field
		Canvas canvasSkull = Canvas(Point(imgSkull->width(), imgSkull->height()), CanvasScalingPolicy::IGNORE);
		canvasSkull.draw(imgSkull, Point(0, 0), Rect(0, 0, imgSkull->width(), imgSkull->height()));
		canvas.drawScaled(canvasSkull, Point(385, 400), Point(238, 150));
	}


	return image;
}

AssetGenerator::CanvasPtr AssetGenerator::createResBarElement(const PlayerColor & player) const
{
	auto locator = ImageLocator(ImagePath::builtin("ARESBAR"), EImageBlitMode::COLORKEY);
	std::shared_ptr<IImage> img = ENGINE->renderHandler().loadImage(locator);
	img->playerColored(player);

	auto image = ENGINE->renderHandler().createImage(Point(84, 22), CanvasScalingPolicy::IGNORE);
	Canvas canvas = image->getCanvas();
	canvas.draw(img, Point(0, 0), Rect(2, 0, 84, 22));
	canvas.draw(img, Point(4, 0), Rect(29, 0, 22, 22));

	return image;
}

AssetGenerator::CanvasPtr AssetGenerator::createSpellTabNone() const
{
	auto img1 = ENGINE->renderHandler().loadAnimation(AnimationPath::builtin("SPELTAB"), EImageBlitMode::COLORKEY)->getImage(0);
	auto img2 = ENGINE->renderHandler().loadAnimation(AnimationPath::builtin("SPELTAB"), EImageBlitMode::COLORKEY)->getImage(4);
	
	auto image = ENGINE->renderHandler().createImage(img1->dimensions(), CanvasScalingPolicy::IGNORE);
	Canvas canvas = image->getCanvas();
	canvas.draw(img1, Point(0, img1->height() / 2), Rect(0, img1->height() / 2, img1->width(), img1->height() / 2));
	canvas.draw(img2, Point(0, 0), Rect(0, 0, img2->width(), img2->height() / 2));

	return image;
}

AssetGenerator::CanvasPtr AssetGenerator::createChroniclesCampaignImages(int chronicle) const
{
	auto imgPathBg = ImagePath::builtin("chronicles_" + std::to_string(chronicle) + "/GamSelBk");
	auto locator = ImageLocator(imgPathBg, EImageBlitMode::OPAQUE);

	std::shared_ptr<IImage> img = ENGINE->renderHandler().loadImage(locator);
	auto image = ENGINE->renderHandler().createImage(Point(200, 116), CanvasScalingPolicy::IGNORE);
	Canvas canvas = image->getCanvas();

	std::array sourceRect = {
		Rect(149, 144, 200, 116),
		Rect(156, 150, 200, 116),
		Rect(171, 153, 200, 116),
		Rect(35, 358, 200, 116),
		Rect(216, 248, 200, 116),
		Rect(58, 234, 200, 116),
		Rect(184, 219, 200, 116),
		Rect(268, 210, 200, 116),
	};
	
	canvas.draw(img, Point(0, 0), sourceRect.at(chronicle-1));

	if (chronicle == 8)
	{
		//skull
		auto locatorSkull = ImageLocator(ImagePath::builtin("CampSP1"), EImageBlitMode::OPAQUE);
		std::shared_ptr<IImage> imgSkull = ENGINE->renderHandler().loadImage(locatorSkull);
		canvas.draw(imgSkull, Point(162, 94), Rect(162, 94, 41, 22));
		canvas.draw(img, Point(162, 94), Rect(424, 304, 14, 4));
		canvas.draw(img, Point(162, 98), Rect(424, 308, 10, 4));
		canvas.draw(img, Point(158, 102), Rect(424, 312, 10, 4));
		canvas.draw(img, Point(154, 106), Rect(424, 316, 10, 4));
	}

	return image;
}

void AssetGenerator::createPaletteShiftedSprites()
{
	for(auto entity : LIBRARY->terrainTypeHandler->objects)
	{
		if(entity->paletteAnimation.empty())
			continue;

		std::vector<PaletteAnimation> paletteShifts;
		for(auto & animEntity : entity->paletteAnimation)
			paletteShifts.push_back({animEntity.start, animEntity.length});

		generatePaletteShiftedAnimation(entity->tilesFilename, paletteShifts);

	}
	for(auto entity : LIBRARY->riverTypeHandler->objects)
	{
		if(entity->paletteAnimation.empty())
			continue;

		std::vector<PaletteAnimation> paletteShifts;
		for(auto & animEntity : entity->paletteAnimation)
			paletteShifts.push_back({animEntity.start, animEntity.length});

		generatePaletteShiftedAnimation(entity->tilesFilename, paletteShifts);
	}
}

void AssetGenerator::generatePaletteShiftedAnimation(const AnimationPath & sprite, const std::vector<PaletteAnimation> & paletteAnimations)
{
	AnimationLayoutMap layout;

	auto animation = ENGINE->renderHandler().loadAnimation(sprite, EImageBlitMode::COLORKEY);

	int paletteTransformLength = 1;
	for (const auto & transform : paletteAnimations)
		paletteTransformLength = std::lcm(paletteTransformLength, transform.length);

	for(int tileIndex = 0; tileIndex < animation->size(); tileIndex++)
	{
		for(int paletteIndex = 0; paletteIndex < paletteTransformLength; paletteIndex++)
		{
			ImagePath spriteName = ImagePath::builtin(sprite.getName() + boost::str(boost::format("%02d") % tileIndex) + "_" + std::to_string(paletteIndex) + ".png");
			layout[paletteIndex].push_back(ImageLocator(spriteName, EImageBlitMode::SIMPLE));

			imageFiles[spriteName] = [this, sprite, paletteAnimations, tileIndex, paletteIndex](){
				return createPaletteShiftedImage(sprite, paletteAnimations, tileIndex, paletteIndex);
			};
		}
	}

	AnimationPath shiftedPath = AnimationPath::builtin("SPRITES/" + sprite.getName() + "_SHIFTED");
	animationFiles[shiftedPath] = layout;
}

AssetGenerator::CanvasPtr AssetGenerator::createPaletteShiftedImage(const AnimationPath & source, const std::vector<PaletteAnimation> & palette, int frameIndex, int paletteShiftCounter) const
{
	auto animation = ENGINE->renderHandler().loadAnimation(source, EImageBlitMode::COLORKEY);

	auto imgLoc = animation->getImageLocator(frameIndex, 0);
	auto img = ENGINE->renderHandler().loadImage(imgLoc);

	for(const auto & element : palette)
		img->shiftPalette(element.start, element.length, paletteShiftCounter % element.length);

	auto image = ENGINE->renderHandler().createImage(Point(32, 32), CanvasScalingPolicy::IGNORE);
	Canvas canvas = image->getCanvas();
	canvas.draw(img, Point((32 - img->dimensions().x) / 2, (32 - img->dimensions().y) / 2));

	return image;
}

void meanImage(AssetGenerator::CanvasPtr dst, std::vector<Canvas> & images)
{
	auto image = dst->getCanvas();

	for(int x = 0; x < dst->width(); x++)
		for(int y = 0; y < dst->height(); y++)
		{
			int sumR = 0;
			int sumG = 0;
			int sumB = 0;
			int sumA = 0;
			for(auto & img : images)
			{
				auto color = img.getPixel(Point(x, y));
				sumR += color.r;
				sumG += color.g;
				sumB += color.b;
				sumA += color.a;
			}
			int ct = images.size();
			image.drawPoint(Point(x, y), ColorRGBA(sumR / ct, sumG / ct, sumB / ct, sumA / ct));
		}
}

AssetGenerator::CanvasPtr AssetGenerator::createAdventureMapButtonClear(const PlayerColor & player) const
{
	auto imageNames = { "iam002", "iam003", "iam004", "iam005", "iam006", "iam007", "iam008", "iam009", "iam010", "iam011" };
	std::vector<Canvas> images;

	CanvasPtr dst = nullptr;
	for(auto & imageName : imageNames)
	{
		auto animation = ENGINE->renderHandler().loadAnimation(AnimationPath::builtin(imageName), EImageBlitMode::COLORKEY);
		animation->playerColored(player);
		auto image = ENGINE->renderHandler().createImage(animation->getImage(2)->dimensions(), CanvasScalingPolicy::IGNORE);
		if(!dst)
			dst = ENGINE->renderHandler().createImage(animation->getImage(2)->dimensions(), CanvasScalingPolicy::IGNORE);
		Canvas canvas = image->getCanvas();	
		canvas.draw(animation->getImage(2), Point(0, 0));
		images.push_back(image->getCanvas());
	}

	meanImage(dst, images);

	return dst;
}

AssetGenerator::AnimationLayoutMap AssetGenerator::createAdventureMapButton(const ImagePath & overlay)
{
	std::shared_ptr<IImage> overlayImg = ENGINE->renderHandler().loadImage(ImageLocator(overlay, EImageBlitMode::OPAQUE));
	auto overlayCanvasImg = ENGINE->renderHandler().createImage(overlayImg->dimensions(), CanvasScalingPolicy::IGNORE);
	Canvas overlayCanvas = overlayCanvasImg->getCanvas();
	overlayCanvas.draw(overlayImg, Point(0, 0));

	AnimationLayoutMap layout;
	for (PlayerColor color(0); color < PlayerColor::PLAYER_LIMIT; ++color)
	{
		auto clearButtonImg = createAdventureMapButtonClear(color);
		for(int i = 0; i < 4; i++)
		{
			ImagePath spriteName = ImagePath::builtin(overlay.getOriginalName() + "Btn" + std::to_string(i) + ".png");
			ImagePath spriteNameColor = ImagePath::builtin(overlay.getOriginalName() + "Btn" + std::to_string(i) + "-" + color.toString() + ".png");

			imageFiles[spriteNameColor] = [overlayCanvasImg, clearButtonImg, i](){
				auto newImg = ENGINE->renderHandler().createImage(overlayCanvasImg->dimensions(), CanvasScalingPolicy::IGNORE);
				auto canvas = newImg->getCanvas();
				canvas.draw(clearButtonImg, Point(0, 0));
				switch (i)
				{
				case 0:
					canvas.draw(overlayCanvasImg, Point(0, 0));
					return newImg;
				case 1:
					canvas.draw(clearButtonImg, Point(1, 1));
					canvas.draw(overlayCanvasImg, Point(1, 1));
					canvas.drawLine(Point(0, 0), Point(newImg->width() - 1, 0), ColorRGBA(0, 0, 0), ColorRGBA(0, 0, 0));
					canvas.drawLine(Point(0, 0), Point(0, newImg->height() - 1), ColorRGBA(0, 0, 0), ColorRGBA(0, 0, 0));
					canvas.drawColorBlended(Rect(0, 0, newImg->width(), 4), ColorRGBA(0, 0, 0, 160));
					canvas.drawColorBlended(Rect(0, 0, 4, newImg->height()), ColorRGBA(0, 0, 0, 160));
					return newImg;
				case 2:
					canvas.drawTransparent(overlayCanvasImg->getCanvas(), Point(0, 0), 0.25);
					return newImg;
				default:
					canvas.draw(overlayCanvasImg, Point(0, 0));
					canvas.drawLine(Point(0, 0), Point(newImg->width() - 1, 0), ColorRGBA(255, 255, 255), ColorRGBA(255, 255, 255));
					canvas.drawLine(Point(newImg->width() - 1, 0), Point(newImg->width() - 1, newImg->height() - 1), ColorRGBA(255, 255, 255), ColorRGBA(255, 255, 255));
					canvas.drawLine(Point(newImg->width() - 1, newImg->height() - 1), Point(0, newImg->height() - 1), ColorRGBA(255, 255, 255), ColorRGBA(255, 255, 255));
					canvas.drawLine(Point(0, newImg->height() - 1), Point(0, 0), ColorRGBA(255, 255, 255), ColorRGBA(255, 255, 255));
					return newImg;
				}
			};

			if(color == PlayerColor(0))
			{
				layout[0].push_back(ImageLocator(spriteName, EImageBlitMode::SIMPLE));
				imageFiles[spriteName] = imageFiles[spriteNameColor];
			}
		}
	}

	return layout;
}

AssetGenerator::CanvasPtr AssetGenerator::createCreatureInfoPanel(int boxesAmount) const
{
	Point size(438, 187);

	auto image = ENGINE->renderHandler().createImage(size, CanvasScalingPolicy::IGNORE);
	Canvas canvas = image->getCanvas();

	Rect r(4, 40, 102, 132);
	canvas.drawColor(r, Colors::BLACK);
	canvas.drawBorder(r, Colors::YELLOW);

    const ColorRGBA rectangleColor = ColorRGBA(0, 0, 0, 75);
    const ColorRGBA rectangleColorRed = ColorRGBA(32, 0, 0, 150);
    const ColorRGBA borderColor = ColorRGBA(128, 100, 75);

	r = Rect(60, 3, 315, 21);
	canvas.drawColorBlended(r, rectangleColor);
	canvas.drawBorder(r, borderColor);

	for(int i = 0; i < 8; i++)
	{
		Rect r(114, 30 + i * 19, 24, 20);
		canvas.drawColorBlended(r, rectangleColor);
		canvas.drawBorder(r, borderColor);
		r.x += 23;
		r.w = 173;
		canvas.drawColorBlended(r, rectangleColor);
		canvas.drawBorder(r, borderColor);
	}

	std::vector<Rect> redRects = {
		Rect(319, 30, 45, 45),
		Rect(373, 30, 45, 45)
	};
	std::vector<Rect> darkRects = {};

	if(boxesAmount == 3)
	{
		redRects.push_back(Rect(347, 109, 45, 45));
		darkRects.push_back(Rect(347, 156, 45, 19));
	}
	else if(boxesAmount == 4)
	{
		redRects.push_back(Rect(319, 109, 45, 45));
		redRects.push_back(Rect(373, 109, 45, 45));
		darkRects.push_back(Rect(319, 156, 45, 19));
		darkRects.push_back(Rect(373, 156, 45, 19));
	}
	
	for(auto & rect : darkRects)
	{
		canvas.drawColorBlended(rect, rectangleColor);
		canvas.drawBorder(rect, borderColor);
	}
	for(auto & rect : redRects)
	{
		canvas.drawColorBlended(rect, rectangleColorRed);
		canvas.drawBorder(rect, borderColor);
	}

	return image;
}

AssetGenerator::CanvasPtr AssetGenerator::createCreatureInfoPanelElement(CreatureInfoPanelElement element) const
{
	std::map<CreatureInfoPanelElement, Point> size {
		{BONUS_EFFECTS, Point(438, 59)},
		{SPELL_EFFECTS, Point(438, 42)},
		{BUTTON_PANEL, Point(438, 43)},
		{COMMANDER_BACKGROUND, Point(438, 177)},
		{COMMANDER_ABILITIES, Point(438, 59)}
	};

	auto image = ENGINE->renderHandler().createImage(size[element], CanvasScalingPolicy::IGNORE);
	Canvas canvas = image->getCanvas();
	
    const ColorRGBA rectangleColor = ColorRGBA(0, 0, 0, 75);
    const ColorRGBA rectangleColorRed = ColorRGBA(32, 0, 0, 150);
    const ColorRGBA borderColor = ColorRGBA(128, 100, 75);

	switch (element)
	{
	case BONUS_EFFECTS:
		for(int i = 0; i < 2; i++)
		{
			Rect r(4 + i * 208, 0, 54, 54);
			canvas.drawColorBlended(r, rectangleColorRed);
			canvas.drawBorder(r, borderColor);
			r = Rect(61 + i * 208, 0, 144, 54);
			canvas.drawColorBlended(r, rectangleColor);
			canvas.drawBorder(r, borderColor);
		}
		break;
	case SPELL_EFFECTS:
		for(int i = 0; i < 8; i++)
		{
			Rect r(6 + i * 54, 2, 48, 36);
			canvas.drawColorBlended(r, rectangleColor);
			canvas.drawBorder(r, borderColor);
		}
		break;
	case BUTTON_PANEL:
		canvas.drawColorBlended(Rect(382, 5, 52, 36), Colors::BLACK);
		break;
	case COMMANDER_BACKGROUND:
		for(int x = 0; x < 3; x++)
		{
			for(int y = 0; y < 3; y++)
			{
				Rect r(269 + x * 52, 21 + y * 52, 44, 44);
				canvas.drawColorBlended(r, rectangleColorRed);
				canvas.drawBorder(r, borderColor);
			}
		}
		for(int x = 0; x < 3; x++)
		{
			for(int y = 0; y < 2; y++)
			{
				Rect r(10 + x * 80, 20 + y * 80, 70, 70);
				canvas.drawColor(r, Colors::BLACK);
			}
		}
		break;
	case COMMANDER_ABILITIES:
		for(int i = 0; i < 6; i++)
		{
			Rect r(37 + i * 63, 2, 54, 54);
			canvas.drawColorBlended(r, rectangleColorRed);
			canvas.drawBorder(r, borderColor);
		}
		for(int i = 0; i < 2; i++)
		{
			Rect r(10 + i * 401, 6, 22, 46);
			canvas.drawColor(r, Colors::BLACK);
		}
		break;
	}

	return image;
}

AssetGenerator::CanvasPtr AssetGenerator::createQuestWindow() const
{
	auto locator = ImageLocator(ImagePath::builtin("DiBoxBck"), EImageBlitMode::OPAQUE);
	std::shared_ptr<IImage> img = ENGINE->renderHandler().loadImage(locator);

	Point size(612, 438);

	auto image = ENGINE->renderHandler().createImage(size, CanvasScalingPolicy::IGNORE);
	Canvas canvas = image->getCanvas();

	for (int y = 0; y < size.y; y += img->height())
		for (int x = 0; x < size.x; x += img->width())
			canvas.draw(img, Point(x, y), Rect(0, 0, std::min(img->width(), size.x - x), std::min(img->height(), size.y - y)));

	Rect r(11, 11, 171, 171);
	canvas.drawColor(r, Colors::BLACK);
	canvas.drawBorder(r, Colors::YELLOW);

    const ColorRGBA rectangleColor = ColorRGBA(0, 0, 0, 75);
    const ColorRGBA borderColor = ColorRGBA(128, 100, 75);

	for(int i = 0; i < 6; i++)
	{
		Rect r(11, 194 + i * 32, 155, 33);
		canvas.drawColorBlended(r, rectangleColor);
		canvas.drawBorder(r, borderColor);
	}
	
	r = Rect(165, 194, 18, 193);
	canvas.drawColor(r, Colors::BLACK);
	canvas.drawBorder(r, borderColor);

	r = Rect(193, 11, 408, 376);
	canvas.drawColorBlended(r, rectangleColor);
	canvas.drawBorder(r, borderColor);

	return image;
}