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Half-Life 2: Lost Coast

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Half-Life 2: Lost Coast
Developer(s)Valve
Publisher(s)Valve
SeriesHalf-Life
EngineSource
Platform(s)Windows, OS X, Linux
Release
  • Windows
  • October 27, 2005
  • OS X, Linux
  • June 28, 2013
Genre(s)First-person shooter
Mode(s)Single-player

Half-Life 2: Lost Coast is an additional level for the 2004 first-person shooter game Half-Life 2. Developed by Valve, it was released on October 27, 2005, through the Steam content delivery service as a free download to owners of the Windows version of Half-Life 2. Players control the Half-Life protagonist Gordon Freeman as he travels up a coastal cliff to destroy a Combine weapon in a monastery.

Lost Coast is a technology demonstration showcasing the high-dynamic-range rendering implemented in the Source engine. It was designed with environments to emphasize these effects. Lost Coast was the first Valve game with a commentary mode, in which the developers explain elements of design as the player progresses through the level.

The Lost Coast level was created for Half-Life 2, but was removed from the game. It was originally going to be a level in "Highway 17" where Gordon ends up in a strange place meeting a Fisherman. As a result, it has several minor story details that were not included in Half-Life 2. It received a generally positive reception, and there was consensus among reviewers that the new features included in Lost Coast should be integrated into future games released by Valve.

Gameplay

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See also: Gameplay of Half-Life 2

Lost Coast uses the same first-person shooter gameplay as Half-Life 2. The player is equipped with weapons from Half-Life 2, including the object-manipulating gravity gun.[1]

The chancel of the Byzantine Christian church in Lost Coast, which Valve artist Viktor Antonov called a "great showcase for HDR"

Like Half-Life 2, the player controls Gordon Freeman. Freeman must enter a monastery that enemy Combine are using to launch heavy artillery shells into a seaside town.[2] The player encounters Combine soldiers and a few headcrabs before disabling the artillery launcher, and destroying an attack helicopter with RPGs. As the level ends, a fisherman congratulates Gordon on his victory, then exclaims that Gordon is "getting all fuzzy 'round the edges" as he is teleported away.[1]

Development

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Level design

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Lost Coast was conceived as a part of the Highway 17 chapter in Half-Life 2 (Highway 17's development name was "Coast", hence the name "Lost Coast"), but was discarded during development. It features minor storyline details that were removed from Half-Life 2, such as the headcrab artillery launchers.[3]

Each area of the level was designed with a specific purpose. An Eastern Orthodox architectural style was deliberately chosen for the monastery, as buildings of this type "are very colorful and have a large variety of materials" and are "often lit naturally, with extremes of darkness and brightness," providing an ideal showcase for the HDR lighting effects.[a] Valve also thought a monastery would help provide a starker contrast between old human architecture and futuristic Combine technology inside it.[b]

The cliffside that leads to the monastery had a gameplay-oriented purpose, and was meant to emulate a similar cliffside combat scene in the original Half-Life (1998). The cliffside also forces the player to be observant of threats from above and below, breaking from normal horizontal combat.[c] The monastery's courtyard was designed as an area where the player recovers from the cliffside combat, while also presenting a contained combat arena later in the level in which the player must hold their ground while they are attacked from multiple directions.[d]

High-dynamic-range rendering

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A comparison of standard fixed-aperture rendering (left) with HDR rendering (right) in the Source engine

The goal of Lost Coast was to demonstrate the new high-dynamic-range rendering implemented into the Source game engine.[4] Valve first attempted to implement high-dynamic-range rendering in Source in late 2003. The first method stored textures in RGBA color space, allowing for multisample anti-aliasing and pixel shaders to be used, but this prevented alpha mapping and fog effects from working correctly, as well as making textures appear sharp and jagged.[5] The second method involved saving two versions of a texture: one with regular data, and the other with overbrightening data. However, this technique did not allow for multisample anti-aliasing and consumed twice as much video card memory, making it infeasible.[5] The third method, shown at the E3 convention in 2005, used floating-point data to define the RGB color space, allowing for reasonably efficient storage of the high-dynamic-range data. However, this method also did not allow for multisample anti-aliasing, and was only compatible with Nvidia video cards, leaving ATI cards unable to run high dynamic range.[5] The fourth and final method compromised between the second and third methods, using overbrightening textures sparingly and allowing ATI cards to render HDR in a different way to the Nvidia ones while nearly producing the same result.[5]

The final version of Valve's high-dynamic-range technology adds a significant number of lighting effects to the engine, aimed at making the game appear more realistic. Bloom shading was introduced, blurring bright edges in the game world and emulating a camera's overexposure to light.[6] This is combined with exposure control to tailor the effect to represent the human eye. For example, as the player exits a dark area into a light area, the new area is initially glaringly bright, but quickly darkens, representing the adjustment of the player character's eyes to the light.[7] New cube mapping techniques allow the reflection cast by an object to correspond with the brightness of the light source, and lightmaps enable light bouncing and global illumination to be taken into account in the rendering.[6] Refraction effects were added to make light account for the physical attributes of an object and to emulate the way light is reflected by water.[6] The Lost Coast level is specifically designed to showcase these effects. It uses the sea and beach as opportunities to demonstrate water-based effects, the monastery to demonstrate bloom from its whitewash walls, and the sanctuary to provide the means to show refraction through stained glass windows and cube maps on golden urns and candlesticks.[8]

As a technology showcase, Valve considered Lost Coast to have very demanding system requirements.[9] The game runs on computers with specifications lower than what is recommended, albeit without some key features such as high dynamic range. If a non-high-dynamic-range-capable card is used, the developer commentary is changed slightly to reflect this. For example, Valve president Gabe Newell would describe the effects that are seen differently.[10]

Commentary system

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In addition to a showcase for visual improvements, Lost Coast acted as a testbed for Valve's commentary system. When the feature is enabled, speech bubbles appear in the game that can be interacted with to play audio commentary. Each audio piece ranges from ten seconds to a minute of commentary. Players hear the developers talk about what the player is seeing, what is happening, why they made certain decisions, and what kinds of challenges they faced. Commentary tracks are represented by floating speech bubbles called commentary nodes.[11] Valve intended for players to first play the level with commentary disabled, and after completing the level, play it again with commentary enabled, learning about each new stage as they progress.[12] The company has since made the commentary system standard in all its later video games.[13]

Release and reception

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Lost Coast was released on October 27, 2005, as a free download from Valve's Steam content delivery service to anyone who purchased Half-Life 2.[14] People who received Half-Life 2 as a gift from Valve's online store were not eligible to download the level. Valve announced on May 30, 2007, that Lost Coast, along with Half-Life 2: Deathmatch, would be made available for free to owners of ATI Radeon cards.[15] It was later released without charge to Nvidia graphics card owners along with Half-Life 2: Deathmatch, Peggle Extreme, and the first eleven levels of Portal.[16]

Lost Coast was generally well-received by video game critics. 1UP.com enjoyed the amount of detail, including the graphics, puzzles, and intelligent enemies, saying, "Valve just packed more atmosphere into a tiny snippet than most shooters muster, period." The review also praised the level's commentary system, calling it an informative addition, and enjoyed the interesting and insightful comments made by some of its creators.[17] The level satisfied UGO because "it would be harder not to enjoy this level in all its beautifully rendered glory—even after you've broken all the windows and spattered the walls with Combine blood,"[18] and GameSpot commented that "the textures in Lost Coast are noticeably more detailed and numerous than in the retail game." The review concluded hoping that the features introduced in Lost Coast would be included in Valve's future releases.[10]

Negative reaction to the game focused on its length and gameplay. 1UP.com and UGO both considered it short;[17][18] Shawn Elliott of 1UP.com described it as "a lickety-split run through postcard-pretty tide pools, up cliffs, and into a church turned Combine outpost".[17] UGO's Nigel Grammer stated that Lost Coast's gameplay seemed to be secondary to the level's graphics.[18] Lost Coast's gameplay disappointed Brad Shoemaker of GameSpot, who compared it to that of Half-Life 2 and considered them to be very similar, saying that it "isn't going to set the world on fire".[10]

Notes

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  1. ^ Valve (2005). Half-Life 2: Lost Coast (PC). Viktor Antonov: Churches are great dramatic spaces. They're often lit naturally, with extremes of darkness and brightness, which makes them a great showcase for HDR. Gothic churches are the sober, monochromatic spaces that you've seen in almost every horror movie or game. Byzantine churches, on the other hand, are very colourful and have a large variety of materials. We wanted that color & material variety to show off our HDR reflections.
  2. ^ Valve (2005). Half-Life 2: Lost Coast (PC). Viktor Antonov: We also like to focus on contrasting elements in our settings, like ancient human architecture and futuristic Combine technology. A monastery fit these requirements perfectly. Monasteries are generally isolated, unlit, and built ages ago. They provide a great backdrop for the contrasting Combine technology.
  3. ^ Valve (2005). Half-Life 2: Lost Coast (PC). Robin Walker: We were particularly happy with the vertical cliffside in Half-Life 1, and regretted that we didn't iterate further on that concept in Half-Life 2. Vertical space allows us to force the player to deal with threats from above and below. We find that players focus their view on the direction they're travelling, so by using a cliffside, and having the player ascend it, we ensure the player will look up and be prepared for enemies. If the player's path was to move past the bottom of the cliffside, it would be unlikely he would notice the soldiers rappelling down from above.
  4. ^ Valve (2005). Half-Life 2: Lost Coast (PC). Robin Walker: The courtyard in front of you is a space we call an Arena. Arenas are built to hold the player for a period of time, and usually contain combat or some other challenge. They often have multiple entry-points for enemies, along with a gate of some kind to prevent the player moving on, until the challenge has been completed. In this case, the arena is free of enemies until the player solves a puzzle, and triggers an alarm. [...] The break in action here is also a crucial part of the level's pacing. It allows the player to recover and explore the world a little, after being attacked on the way up the cliffside.

References

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  1. ^ a b "Half-Life 2: Lost Coast Walkthrough". Planet Half-Life. GameSpy. Archived from the original on November 13, 2012. Retrieved November 21, 2008.
  2. ^ "Half-Life 2: Lost Coast Allies". Planet Half-Life. GameSpy. Archived from the original on April 26, 2013. Retrieved November 21, 2008.
  3. ^ Accrado, Sal (October 28, 2005). "Half-Life 2: The Lost Coast (PC)". GameSpy. Archived from the original on October 11, 2012. Retrieved October 17, 2008.
  4. ^ Lee, Garnett (August 29, 2005). "Half-Life 2: Aftermath and Lost Coast". 1UP.com. Archived from the original on May 22, 2011. Retrieved November 20, 2008.
  5. ^ a b c d Reimer, Jeremy (September 15, 2005). "A primer on HDR and a tour of Valve's Lost Coast: The road to HDR". Ars Technica. Archived from the original on January 29, 2009. Retrieved November 21, 2008.
  6. ^ a b c Richards, Geoff (June 14, 2005). "Lost Coast / Source HDR Feature Set". bit-tech. Archived from the original on February 1, 2009. Retrieved November 20, 2008.
  7. ^ Richards, Geoff (June 14, 2005). "Under & Over Exposure". bit-tech. Archived from the original on December 4, 2008. Retrieved November 20, 2008.
  8. ^ Richards, Geoff (June 14, 2006). "Half Life 2: Lost Coast HDR Eye Candy". bit-tech. Archived from the original on February 16, 2008. Retrieved November 20, 2008.
  9. ^ Bramwell, Tom (October 28, 2005). "HL2 Lost Coast released". Eurogamer. Archived from the original on September 19, 2012. Retrieved November 20, 2008.
  10. ^ a b c Shoemaker, Brad (July 28, 2005). "Half-Life 2 Lost Coast Hands-On". GameSpot. Archived from the original on November 3, 2012. Retrieved October 17, 2008.
  11. ^ "Half-Life 2: Lost Coast Overview". Planet Half-Life. GameSpy. Archived from the original on October 10, 2012. Retrieved November 21, 2008.
  12. ^ Richards, Geoff (September 14, 2005). "Preview: Half-Life 2: Lost Coast: Thoughts". bit-tech. Archived from the original on February 14, 2008. Retrieved November 21, 2008.
  13. ^ "Steam Marketing Message". Valve. August 5, 2005. Archived from the original on February 14, 2012. Retrieved October 17, 2008.
  14. ^ Pinckard, Jane (October 27, 2005). "Lost Coast Out Now". 1UP. Archived from the original on October 31, 2007. Retrieved November 20, 2008.
  15. ^ Valich, Theo (May 30, 2007). "Valve gives free games to ATI Radeon owners". The Inquirer. Archived from the original on April 15, 2008. Retrieved May 31, 2007.{{cite web}}: CS1 maint: unfit URL (link)
  16. ^ Swinburne, Richard (January 10, 2008). "Free Portal to all Nvidia GeForce owners". bit-tech. Archived from the original on June 15, 2011. Retrieved November 29, 2008.
  17. ^ a b c Elliott, Shawn (October 28, 2005). "Half-Life 2: Lost Coast (PC)". 1UP. Archived from the original on May 24, 2011. Retrieved November 20, 2008.
  18. ^ a b c Grammer, Nigel. "Half-Life 2: Lost Coast Review". UGO. Archived from the original on June 15, 2011. Retrieved November 20, 2008.
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