Your First Left 4 Dead Map

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Revision as of 23:14, 28 November 2008 by Sbrown (talk | contribs) (Minor cleanup)
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This tutorial will cover the basics of Left 4 Dead mapping. It will go in specifics on the entities, the director, weapons and spawns. Do note that it will not be for new mappers: the setting up of hammer and extreme basics are already covered in tutorials.


Tut title.png


Intro Sequences

  • logic_choreographed_scene
  • point_viewcontrol_survivor
  • point_viewcontrol_multiplayer
  • env_fade


The initial spawn area

  • info_survivor_position
  • weapon_first_aid_kit_spawn
  • weapon_ammo_spawn
  • weapon_smg_spawn
  • weapon_pumpshotgun_spawn


The Director

Creating areas for the infected to spawn.

  • info_director


Item and Weapon Catches

Setting the flags for random spawn locations

  • weapon_molotov_spawn
  • weapon_pipe_bomb_spawn
  • weapon_pistol_spawn
  • weapon_pain_pills_spawn
  • weapon_ammo_spawn
  • weapon_hunting_rifle_spawn
  • weapon_autoshotgun_spawn


Rescue Closets

Bringing dead players back into the game.

  • info_survivor_rescue
    • rescueEyePos


Creating Panic Events

Triggering the info_director and summoning the horde.

  • info_game_event_proxy
  • ambient_generic
  • logic_timer

In-game examples

  • Car alarms
  • Metal detectors


Crescendo Events

Intermediate objectives

  • func_button
  • filter_activator_team
  • info_game_event_proxy


Safe Houses

  • prop_door_rotating_checkpoint


Changing between levels inside a campaign

  • info_landmark
  • info_changelevel


The Finale

Ending the campaign.


Building the NAV mesh

Basic

nav_edit 1
nav_generate
nav_analyze
nav_edit 0

Advanced

This tutorial does not cover advanced mesh creation. Please refer to Navigation Meshes

Notes

Doors

Type: prop_door_rotating
Frame Dimensions: width: 56, height: 104
World Model: models/props_doors/doormainmetal01.mdl


FAQ

Common issues

  • How do I make the infected spawn?


  • Why won't the survivor bots move?


  • Why is the molotov fire / Smoker's smoke not visible in-game?
    • (not answered)


  • Why won't my rescue closets work?
    • (not answered)


Error messages

  • NAV ERRORS - Map is unplayable!
    • Missing nav file.
    • The nav file was built for an older compile.


  • Missing Battlefield check found N areas
  • WARN: CL4DBasePanel::UpdateProgressBar called outside of level loading, discarded!
  • GetGoalArea: Cannot find SPAWN_RESCUE_CLOSET area in FINALE, thus cannot guarantee reachability of goal area.
  • GetGoalArea: Cannot find end area - no checkpoint or finale located.
  • ComputeFlowDistances: ERROR - Cannot compute flow.

See also

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