Grimrock

Code: Select all

function drawItem(g,item,x,y,pAttack)

	local index = item:getGfxIndex()

	if pAttack then
		index = item:getGfxIndexPowerAttack()
	end


	--image indexes in atlas 2 and forward starts from 200 for some reason, not from 170
	--it's simple now when I know it, but figuring it out gave me a headache :)
	local atlasNumber = math.floor(index/200)
	if index >= 200 then 
		index = index - 200 * (atlasNumber)
	end
	local atlasIndex = index%169
	local row = math.floor(atlasIndex/13)
	local col = atlasIndex%13	
	local atlas = 'assets/textures/gui/items.tga'
	if atlasNumber > 0 then
		atlas = 'assets/textures/gui/items_'..(atlasNumber+1)..'.tga'
	end
	--g.drawImage(atlas,0,0)
	g.drawImage2(atlas, x, y, col*75, row*75, 75,75, 75, 75)

end

Code: Select all

		self.drawIcon = function(self, args)
			if ( args.position == nil or args.size == nil or args.gfxIndex == nil) then
				Console.warn("Invalid parameters to drawIcon");
				return false;
			end

			local path = args.gfxAtlas;
			local index = args.gfxIndex;
			local atlasWidth = iff(args.atlasWidth, args.gfxAtlasWidth, 13);
			local iconWidth = iff(args.iconWidth,args.iconWidth, 75);
			local iconHeight = iff(args.iconHeight,args.iconHeight, 75);

			if ( path == nil ) then
				local builtInGfxAtlasIndex = math.floor(args.gfxIndex / 200);
				index = index - (builtInGfxAtlasIndex * 200); 
				index = index%169
				
				if ( builtInGfxAtlasIndex == 0 ) then
					path = "assets/textures/gui/items.tga";
				else
					path = "assets/textures/gui/items_" .. (builtInGfxAtlasIndex + 1) .. ".tga";
				end
			end

			local image = {
				path = path,
				origin = { iconWidth * (index % atlasWidth), iconHeight * math.floor(index / atlasWidth) }, 
				size = { iconWidth, iconHeight }
			}

			local imageArgs = {
				image = image,
				position = args.position,
				size = args.size,
				drawMode = args.drawMode,
				imageGravity = args.imageGravity,
			}

			self:drawImage(imageArgs);
		end