eqmac-quests/lua_modules/directional.lua

function Mob:DirectionalAreaEffectList(angle_start, angle_end, aoe_range, min_range, m_list)

	angle_start = angle_start + (self:GetHeading() * 360.0 / 256.0);
	angle_end = angle_end + (self:GetHeading() * 360.0 / 256.0);
	
	while(angle_start > 360.0) do
		angle_start = angle_start - 360.0;
	end
	
	while(angle_end > 360.0) do
		angle_end = angle_end - 360.0;
	end

	local ret = { };
	for ent in m_list.entries do
		if(ent:GetID() ~= self:GetID()) then
			local x_diff = ent:GetX() - self:GetX();
			x_diff = x_diff * x_diff;
			
			local y_diff = ent:GetY() - self:GetY();
			y_diff = y_diff * y_diff;
			
			local z_diff = ent:GetZ() - self:GetZ();
			z_diff = z_diff * z_diff;
			
			if(((x_diff + y_diff) <= (aoe_range * aoe_range)) and (z_diff <= ((aoe_range * aoe_range) / 2))) then
				local heading_to_target = self:CalculateHeadingToTarget(ent:GetX(), ent:GetY()) * 360.0 / 256.0;
				while(heading_to_target < 0.0) do
					heading_to_target = heading_to_target + 360.0;
				end
				
				while(heading_to_target > 360.0) do
					heading_to_target = heading_to_target - 360.0;
				end
				
				if(angle_start > angle_end) then
					if((heading_to_target >= angle_start and heading_to_target <= 360.0) or (heading_to_target >= 0.0 and heading_to_target <= angle_end)) then
						table.insert(ret, ent);
					end
				else
					if(heading_to_target >= angle_start and heading_to_target <= angle_end) then
						table.insert(ret, ent);
					end
				end
			end
		end
	end
	
	return ret;
end

function NPC:DirectionalAreaEffectList(angle_start, angle_end, aoe_range, min_range, m_list)

	angle_start = angle_start + (self:GetHeading() * 360.0 / 256.0);
	angle_end = angle_end + (self:GetHeading() * 360.0 / 256.0);
	
	while(angle_start > 360.0) do
		angle_start = angle_start - 360.0;
	end
	
	while(angle_end > 360.0) do
		angle_end = angle_end - 360.0;
	end

	local ret = { };
	for ent in m_list.entries do
		if(ent:GetID() ~= self:GetID()) then
			local x_diff = ent:GetX() - self:GetX();
			x_diff = x_diff * x_diff;
			
			local y_diff = ent:GetY() - self:GetY();
			y_diff = y_diff * y_diff;
			
			local z_diff = ent:GetZ() - self:GetZ();
			z_diff = z_diff * z_diff;
			
			if(((x_diff + y_diff) <= (aoe_range * aoe_range)) and (z_diff <= ((aoe_range * aoe_range) / 2))) then
				local heading_to_target = self:CalculateHeadingToTarget(ent:GetX(), ent:GetY()) * 360.0 / 256.0;
				while(heading_to_target < 0.0) do
					heading_to_target = heading_to_target + 360.0;
				end
				
				while(heading_to_target > 360.0) do
					heading_to_target = heading_to_target - 360.0;
				end
				
				if(angle_start > angle_end) then
					if((heading_to_target >= angle_start and heading_to_target <= 360.0) or (heading_to_target >= 0.0 and heading_to_target <= angle_end)) then
						table.insert(ret, ent);
					end
				else
					if(heading_to_target >= angle_start and heading_to_target <= angle_end) then
						table.insert(ret, ent);
					end
				end
			end
		end
	end
	
	return ret;
end

function Client:DirectionalAreaEffectList(angle_start, angle_end, aoe_range, min_range, m_list)

	angle_start = angle_start + (self:GetHeading() * 360.0 / 256.0);
	angle_end = angle_end + (self:GetHeading() * 360.0 / 256.0);
	
	while(angle_start > 360.0) do
		angle_start = angle_start - 360.0;
	end
	
	while(angle_end > 360.0) do
		angle_end = angle_end - 360.0;
	end

	local ret = { };
	for ent in m_list.entries do
		if(ent:GetID() ~= self:GetID()) then
			local x_diff = ent:GetX() - self:GetX();
			x_diff = x_diff * x_diff;
			
			local y_diff = ent:GetY() - self:GetY();
			y_diff = y_diff * y_diff;
			
			local z_diff = ent:GetZ() - self:GetZ();
			z_diff = z_diff * z_diff;
			
			if(((x_diff + y_diff) <= (aoe_range * aoe_range)) and (z_diff <= ((aoe_range * aoe_range) / 2))) then
				local heading_to_target = self:CalculateHeadingToTarget(ent:GetX(), ent:GetY()) * 360.0 / 256.0;
				while(heading_to_target < 0.0) do
					heading_to_target = heading_to_target + 360.0;
				end
				
				while(heading_to_target > 360.0) do
					heading_to_target = heading_to_target - 360.0;
				end
				
				if(angle_start > angle_end) then
					if((heading_to_target >= angle_start and heading_to_target <= 360.0) or (heading_to_target >= 0.0 and heading_to_target <= angle_end)) then
						table.insert(ret, ent);
					end
				else
					if(heading_to_target >= angle_start and heading_to_target <= angle_end) then
						table.insert(ret, ent);
					end
				end
			end
		end
	end
	
	return ret;
end