Dissection of Official L4D2 Campaigns

Another way to help understand L4D2 level creation is to see what makes up an official one. This does not mean that developers are limited to only these elements in a L4D2 map, but these maps can be very good examples to start with.

Todo: Organize, interpret, tabulate, compact... celebrate!

Some Observations / Interpretations

• sky_camera is in every map. A L4D2 map without a 3D skybox will give graphical glitches in-game.

c1: Dead Center

Entities

Other

Dead Center

Entity Name	m1_hotel	m2_streets	m3_mall	m4_atrium			Notes	Category
ambient_generic	40	9	3	5			This is a test table.	Audio and Choreography
beam_spotlight	-	21	40	-				Lighting and Visual Effects
color_correction	4	2	2	3				Lighting and Visual Effects
env_cubemap	84	27	40	28
env_entity_maker	-	2	181	-
env_explosion	-	1	-	-
env_fade	2	-	-	6			Usually for intro and outtro.	Lighting and Visual Effects
env_fog_controller	9	2	2	2
env_microphone	-	1	-	-
env_outtro_stats	-	-	-	1
env_physexplosion	-	1	-	1
env_player_blocker	-	-	1	4
env_physics_blocker	-	-	-	1
env_shake	24	1	-	1
env_soundscape	62	29	28	20
env_sprite	9	18	1	-
env_sun	1	1	-	-
env_tonemap_controller	1	1	1	1
env_tonemap_controller_ghost	1	1	1	1
env_tonemap_controller_infected	1	1	1	1
filter_activator_model	-	1	-	1
filter_activator_name	-	-	1	1
filter_activator_team	3	1	2	2
filter_damage_type	-	-	1	-
filter_melee_damage	-	-	1	-
filter_multi	-	-	1	-
fog_volume	15	8	2	2
func_block_charge	-	2	-	-
func_breakable	8	12	431	127
func_brush	195	30	36	2
func_button	2	1	1	2
func_clip_vphysics	-	50	-	3
func_detail	701	747	1830	717
func_door	-	1	-	6
func_door_rotating	-	-	9	6
func_illusionary	-	1	-	-			A legacy brush entity still used today.
func_elevator	1	-	-	1
func_ladder	-	77	26	9
func_movelinear	4	-	-	-
func_nav_attribute_region	1	23	-	2
func_nav_blocker	9	17	15	5
func_orator	1	1	2	1
func_precipitation	1	-	-	-
func_playerinfected_clip	-	57	-	-
func_rotating	-	1	-	-
func_timescale	-	-	-	1
game_scavenge_progress_display	-	-	-	1
info_ambient_mob_end	-	-	2	-
info_ambient_mob_start	-	-	2	-
info_changelevel	1	2	2	-
info_director	1	1	1	1
info_elevator_floor	2	-	-	2
info_game_event_proxy	5	8	3	10
info_gamemode	-	3	-	3
info_goal_infected_chase	-	-	-	1
info_landmark	1	2	2	1
info_map_parameters	1	1	1	1
info_map_parameters_versus	1	1	1	-
info_overlay	156	348	457	226
info_particle_system	145	8	2	1
info_particle_target	166	12	-	-
info_player_start	4	-	-	-
info_projecteddecal	10	-	-	-
info_remarkable	16	16	32	-
info_survivor_position	4	-	-	16
info_survivor_rescue	6	12	12	-
info_target	2	1	1	1
info_zombie_spawn	26	-	-	34
infodecal	14	-	8	7
keyframe_rope	31	59	-	-
light	95	15	3	2
light_directional	1	1	1	1
light_environment	1	1	1	1
light_spot	69	30	42	10
logic_auto	6	22	14	7
logic_branch	-	2	-	2
logic_branch_listener	-	-	-	1
logic_case	76	13	80	6
logic_choreographed_scene	1	-	-	-
logic_compare	-	-	1	-
logic_director_query	3	1	3	-
logic_relay	43	15	19	22
logic_script	-	1	-	-
logic_timer	10	12	77	4
math_counter	4	-	1	-
move_rope	10	20	-	-
path_track	14	1	-	4			Could be decompile error of info_lighting.
player_weaponstrip	-	1	-	-
point_hurt	1	-	-	-
point_prop_use_target	-	1	-	1
point_spotlight	-	-	-	2
point_template	47	5	30	21
point_viewcontrol_multiplayer	-	-	-	5
point_viewcontrol_survivor	4	-	-	-
postprocess_controller	4	2	2	3
prop_car_alarm	-	2	-	-
prop_car_glass	-	4	-	-
prop_door_rotating	29	13	39	16
prop_door_rotating_checkpoint	1	2	2	1
prop_dynamic	72	55	19	25
prop_dynamic_override	-	-	-	2
prop_health_cabinet	-	1	2	-
prop_physics	314	230	288	87
prop_static	1748	2193	4089	2332
shadow_control	1	1	1	1
sky_camera	1	1	1	1
trigger_active_weapon_detect	-	1	-	-
trigger_auto_crouch	-	-	4	-
trigger_finale	-	-	-	1
trigger_hurt	51	5	1	2
trigger_hurt_ghost	7	-	-	-
trigger_look	1	-	-	-
trigger_multiple	5	2	3	2
trigger_once	19	7	2	1
trigger_push	38	4	-	2
upgrade_spawn	-	17	-	9
weapon_adrenaline_spawn	-	-	-	15
weapon_ammo_spawn	1	7	2	3
weapon_autoshotgun_spawn	-	7	-	1
weapon_chainsaw_spawn	3	-	-	-
weapon_defibrillator_spawn	-	-	-	1
weapon_first_aid_kit_spawn	9	12	8	8
weapon_hunting_rifle_spawn	-	4	-	-
weapon_item_spawn	51	100	148	9
weapon_melee_spawn	8	14	10	9
weapon_molotov_spawn	-	-	-	23
weapon_pain_pills_spawn	1	-	-	31
weapon_pipe_bomb_spawn	-	-	-	25
weapon_pistol_magnum_spawn	1	2	-	-
weapon_pistol_spawn	3	5	-	-
weapon_pumpshotgun_spawn	-	4	-	-
weapon_rifle_ak47_spawn	-	5	-	1
weapon_rifle_desert_spawn	-	4	-	1
weapon_rifle_spawn	-	6	-	1
weapon_scavenge_item_spawn	-	-	-	35
weapon_shotgun_chrome_spawn	3	2	-	1
weapon_shotgun_spas_spawn	-	4	-	-
weapon_smg_silenced_spawn	1	3	-	1
weapon_smg_spawn	-	2	-	-
weapon_sniper_military_spawn	-	2	-	1
weapon_spawn	6	13	17	8
weapon_vomitjar_spawn	-	-	-	19