-- 3D平訂伽邿佴艤
local Move3DTool = class("Move3DTool", require("MoveTool"))
function Move3DTool:ctor()
	self.super.ctor(self);
	self.factor = 1.0;
	self.startScreenPos = nil;
end

function Move3DTool:clear()
	self.super.clear(self);
	self.startScreenPos = nil;
end

function Move3DTool:MouseDown(button , x , y)
	if self.super.MouseDown(self, button, x, y) then
		self.startScreenPos = cc.p(x, y);
	end
end

function Move3DTool:convertScreenToWorldPos(mouseX, mouseY, planeNormal, planeDistance)
	local floorPlane = cc.Plane:new(planeNormal , planeDistance);

	-- 輪蹋远mainlayer謩藔蕨位變
	local screenSize = cc.Director:getInstance():getWinSizeInPixels();
	local ray = app.mainCamera:pickRay(mouseX / screenSize.width , mouseY / screenSize.height);
	local dist = ray:intersectsPlane(floorPlane);
	if dist >= 0 then
		return ray:getPoint(dist);
	else
		return ray:getPoint(0);
	end
end

function Move3DTool:moveTo(screenX, screenY)
	-- 斩
	local targetOffset;
	--[[local offset = cc.pSub(endPos , self.startPos);
	if app.cs.getModifierKeys() == Keys.Control then
		-- 只艤覙Y住蕪袀訂织
		targetOffset = cc.vec3(0, offset.y * self.factor, 0);
	else
		-- 諝XZ平摩蕪摩平訂
		targetOffset = cc.vec3(offset.x * self.factor, 0, offset.y * self.factor);
	end--]]

	-- Shift酄樧喲阶?
	if app.cs.getModifierKeys() == Keys.Shift then
		for i , v in pairs(self.originPoies) do
			local originWorld = v.rotate;
			i:setEulerRotation(originWorld.x , originWorld.y + (screenX - self.startScreenPos.x) , originWorld.z);
		end
	else
		for i , v in pairs(self.originPoies) do
			local originWorld = i:getParent():convertToWorldSpace(v.pos);
			if app.cs.getModifierKeys() == Keys.Control then
				-- 只艤覙Y住蕪袀訂织
				-- 顺要写袀时謩藔蕨位變
				local normal
				if originWorld.z > 0 then
					normal = cc.vec3(0,0,-1)
				else
					normal = cc.vec3(0,0,1)
				end
				local downWorldPos = self:convertScreenToWorldPos(self.startScreenPos.x, self.startScreenPos.y, normal, originWorld.z);
				-- 毡前顺要謩藔蕨位變
				local curWorldPos = self:convertScreenToWorldPos(screenX, screenY, normal, originWorld.z);
				targetOffset = cc.vec3(0, curWorldPos.y - downWorldPos.y, 0);
			else
				local normal
				if originWorld.y > 0 then
					normal = cc.vec3(0,-1,0)
				else
					normal = cc.vec3(0,1,0)
				end
				-- 顺要写袀时謩藔蕨位變
				local downWorldPos = self:convertScreenToWorldPos(self.startScreenPos.x, self.startScreenPos.y, normal, originWorld.y);
				-- 毡前顺要謩藔蕨位變
				local curWorldPos = self:convertScreenToWorldPos(screenX, screenY, normal, originWorld.y);
				targetOffset = cc.vec3(curWorldPos.x - downWorldPos.x, 0, curWorldPos.z - downWorldPos.z);
			end
			
			local newWorld = cc.vec3Add(originWorld , targetOffset);
			local newLocal = i:getParent():convertToNodeSpace(newWorld);
			
			i:setTranslation(newLocal);
		end
	end
end

function Move3DTool:commandMoveTo(screenX, screenY)
	local endPos = cc.p(screenX, screenY);
	-- 骚诨没詯注屎偏訂詹一穴要訂织
	if cc.pEqual(endPos, self.startPos) then
		return;
	end
	
	-- 通诮募庐4訂织
	local commands = {};
	-- 斩
	local targetOffset;
	if app.cs.getModifierKeys() == Keys.Shift then
		for i , v in pairs(self.originPoies) do
			local originWorld = v.rotate;
			local newLocal = cc.vec3(originWorld.x , originWorld.y + (screenX - self.startScreenPos.x) , originWorld.z);
			i:setEulerRotation(v.rotate);
			table.insert(commands, Commands:rotateNode(i, newLocal));
		end
	else
		for i , v in pairs(self.originPoies) do
			local originWorld = i:getParent():convertToWorldSpace(v.pos);
			if app.cs.getModifierKeys() == Keys.Control then
				-- 只艤覙Y住蕪袀訂织
				-- 顺要写袀时謩藔蕨位變
				local normal
				if originWorld.z > 0 then
					normal = cc.vec3(0,0,-1)
				else
					normal = cc.vec3(0,0,1)
				end
				local downWorldPos = self:convertScreenToWorldPos(self.startScreenPos.x, self.startScreenPos.y, normal, originWorld.z);
				-- 毡前顺要謩藔蕨位變
				local curWorldPos = self:convertScreenToWorldPos(screenX, screenY, normal, originWorld.z);
				targetOffset = cc.vec3(0, curWorldPos.y - downWorldPos.y, 0);
			else
				local normal
				if originWorld.y > 0 then
					normal = cc.vec3(0,-1,0)
				else
					normal = cc.vec3(0,1,0)
				end
				-- 顺要写袀时謩藔蕨位變
				local downWorldPos = self:convertScreenToWorldPos(self.startScreenPos.x, self.startScreenPos.y, normal, originWorld.y);
				-- 毡前顺要謩藔蕨位變
				local curWorldPos = self:convertScreenToWorldPos(screenX, screenY, normal, originWorld.y);
				targetOffset = cc.vec3(curWorldPos.x - downWorldPos.x, 0, curWorldPos.z - downWorldPos.z);
			end
			
			local newWorld = cc.vec3Add(originWorld , targetOffset);
			local newLocal = i:getParent():convertToNodeSpace(newWorld);
			
			i:setTranslation(v.pos);
			table.insert(commands, Commands:moveNode(i, newLocal));
		end
	end
	
	app.undoRedoManager:doCommand(Commands:batchCommand(commands));
end

function Move3DTool:commandMoveBy(offset)
	-- 骚诨没詯注屎偏訂詹一穴要訂织
	if cc.pEqual(offset, {x = 0, y = 0}) then
		return;
	end
	
	-- 斩
	local targetOffset = cc.vec3(offset.x, 0, offset.y);
	
	-- 通诮募庐4訂织
	local commands = {};
	for i , v in pairs(app.editor.SelectedNodes) do
		local originWorld = v:getParent():convertToWorldSpace(v:getPosition());
		local newWorld = cc.vec3Add(originWorld , targetOffset);
		local newLocal = v:getParent():convertToNodeSpace(newWorld);
		
		table.insert(commands, Commands:moveNode(v, newLocal));
	end
	
	app.undoRedoManager:doCommand(Commands:batchCommand(commands));
end	

return Move3DTool;