Difference between revisions of "Classic Headcrab (Evolution)"

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ब्रिटेन में सबसे शक्तिशाली अध्यात्मवादी
+
Throughout the development of Half-Life 2, there were a large variety of different "Classic" headcrabs present, from the initial removal of them in favor of fast headcrabs that didn't stick, to the reddish headcrabs, to bloody, to, finally, non-bloody headcrabs.
  
:om_symbol::cross::star_and_crescent:ALL RELIGIONS में आपका स्वागत है
+
==Version 0: None==
 +
[[File:V0_head.png|left]]
 +
Several factors suggest that the fast headcrab originally replaced the classic-style headcrab.
  
CWELL अनुभव, एक वापस लाया प्यार में विशेषज्ञता प्राप्त है
+
*Both the model texture paths and the models themselves refer to the fast headcrab as "Headcrab", and the normal headcrab as "headcrab_classic". This is also present on the brickbat model for the headcrab, which is shaped identically to the final fast headcrab with thin, long legs and a smaller main body.
 +
*All three of the "old" headcrab zombies' textures use headcrabs that are much more akin to the fast headcrab, and share similarities with the fast headcrab's textures (particularly the side).
 +
*The texture sheet for the fast headcrab also appears in the classic headcrab's texture folder, with some coloring differences<ref>See <b>Fast Headcrab Sheet Comparison</b></ref> between the two. This would appear to indicate that the classic headcrab's model would have used earlier-completed composite-sheet fast headcrab's model before moving to Version 2.
 +
*Concept art dated to 2001<ref>Check Ted's signature</ref> for the headcrab zombie shows a fast headcrab on top of it, with an appearance that significantly resembles the "old" zombie's textures, with rips near the elbows and knees.
 +
*The Brickbat (BB) headcrab model reuses two textures<ref>See <b>Old Zombie / BB Fast Headcrab Comparison</b></ref> from Half-Life 1's headcrab, albeit in a modified state, and has a polygon count that implies that it was around much earlier than even the later fast headcrab model.
 +
However, this did not last, and even before the first set of zombie models were fully out, the classic headcrab had come back to Half-Life 2.
  
अब कॉल करें ०६४६ ९९ .५ .४ पर IMMEDIATELY
+
{{clear}}
 +
===Gallery===
 +
<b>BB Headcrab Viewmodel Renders</b>
  
प्यार एक खूबसूरत एहसास है, जो जीवन में कई नई और रोमांचक घटनाएं लेकर आता है। आजकल अधिकांश लोगों ने अपने प्यार को खो दिया है या बहुत कम कारणों से अपने प्यार को तोड़ते हैं। हालाँकि, अगर आप ब्रेक अप के बाद दुखी महसूस करते हैं, अगर आपको अपने पूर्व प्रेमी को वापस पाने की इच्छा है या अपने प्यार के साथ वापस जाने की इच्छा है, तो पंडित दास प्रभाष जी से मिलें। उनका वशीकरण मंत्र आपको निश्चित रप स गठबधन करन म मदद करग। यद आप अपन पयर वयकत क सथ रहत ह य वह वयकत ज अपन जवन म अपन इचछत पयर क सथ रहत ह, वह दसर क तलन म सबस भगयशल वयकत ह।
+
This model can be found at "<code>/models/Weapons/v_BB_headcrab.mdl</code>". Despite the implied age, it can be opened with the stock HLMV included with [[The_2003_Leak | the Leak]].
  
गरज फमल लव सइकक एड सपरचअलसट एड पम एड हड रडर, पडत ज न अचछ तरह स सटक रपरटग दन क अनभव कय
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<gallery hideaddbutton=true widths="160" orientation="none" spacing="small" position="center" bordersize="none" captionsize="small">
 +
Fast bb behind.png
 +
Fast bb top.png
 +
Fast bb side1.png
 +
Fast bb bottom.png
 +
</gallery>
  
:om_symbol:9 व जयतष क पढ
+
{{clear}}
  
कस भ परकर क समसयए गरज क हल कर सकत ह जस: परम, वयवसय, ववह, नकर, शकष, परवरक समसयए, पत पतन क समसयए, परव परम पठ, सवसथय और सकस समसयए, घर और नययलय ममल, Ect ....
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<b>BB Fast Headcrab Textures</b>
  
कय आप कस भ समसय क समधन कर रह ह?
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This includes the pre-sheet textures in the fast headcrab's texture folder that are not used for the "squashed" models. These same textures are also included in the "v_BB_headcrab" texture folder, albeit at a lower resolution.
  
*पयर क सममहन
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<gallery hideaddbutton=true widths="100" orientation="none" spacing="small" position="center" bordersize="none" captionsize="small">
* परव लड बक
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M9CL fast.png
* बलक मजक REMOVAL
+
M8CL fast.png
* वयपर समसय
+
M6CL fast.png
*जब परमशन
+
M5CL fast.png
* बमर
+
M4CL fast.png
*भगय
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M3CL fast.png
*अदलत क ममल
+
M2CL fast.png
* मरज परबलम
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M1CL fast.png
* ABROAD चरट
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M0CL fast.png
* ENENEMY
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</gallery>
* बचच परबलम
 
*डपरशन,
 
*बर आतमओ
 
* Vodoo
 
* जद टन
 
* OBEA
 
* EVIL EYE PROBLEMS
 
* पत और जवन समसयए
 
* सकशअल परबलम ईटस
 
  
अपन परव, भवषय और भवषय क बर म जन
+
<b>Pre-Separation Zombie Textures</b>
  
ADINGEXPERT क PALM REPORT, HOROSCOPE, PHOTO और DATE OF BIRTH
+
These can be found at "<code>/materials/models/Zombie</code>". They appear to be before the separation of the zombie into 3 different classes, since clones of these textures appear in the three other zombie folders.
  
हम आपक घर क लए सरकष परदन करत ह - वयवसय और वयकतगत ममल।
+
<gallery hideaddbutton=true widths="100" orientation="none" spacing="small" position="center" bordersize="none" captionsize="small">
 +
z_1_arm.png|"arm.vtf"
 +
z_1_back.png|"back.vtf"
 +
z_1_chest.png|"chest.vtf"
 +
z_1_innerhead.png|"innerhead.vtf"<ref>Appears to be unused, since it also appears on this version's headcrab texture.</ref>
 +
z_1_left_arm.png|"left_arm.vtf"
 +
z_1_left_leg.png|"left_leg.vtf"
 +
z_1_misc.png|"misc.vtf"
 +
z_1_right_arm.png|"right_arm.vtf"
 +
z_1_right_leg.png|"right_leg.vtf"
 +
z_1_shoetop.png|"shoetop.vtf"
 +
z_1_sole.png|"sole.vtf"
 +
z_1_torso.png|"torso.vtf"
 +
</gallery>
  
P POWERFUL PRAYERS क परदरशन करक सभ परकर क कल जद और बर चज क दर कर
+
<b>Concept Art</b>
 +
<gallery hideaddbutton=true widths="300" orientation="none" spacing="small" position="left" bordersize="none" captionsize="small">
 +
zombie_purple.png
 +
Zombie_sketch.jpg|Another similar design to "old" zombie
 +
</gallery>
 +
==Version 1: Placeholder Headcrab==
 +
[[File:V1_render2.png|left]]
 +
While the classic headcrab had been implemented, it had not yet had its own model created, and evidence remains of an odd period where it existed without an independent model, as both a zombie and individual headcrab.
  
PRYOUR वजट क नज और गपनय रख जएग
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As a zombie, it reused the "old" zombie model and only retextured the headcrab head's texture. The textures of these relatively simply-differentiated models still remain. Since there is a distinction between the classic/fast headcrab in the textures of the old zombies, the decision to re-include the classic headcrab may have been made during the period where the old zombies were in use, and when adding the new zombie model they just recolored the headcrab used by the pre-classic headcrab zombie as a placeholder.
  
EV100% नगटव ऊरज और ईवल सपरटस क अवशष
+
As a headcrab, it (may have) reused the fast headcrab model, evidenced by a leftover texture sheet still kept in the classic headcrab's folder, which remains in the final version.
 +
{{clear}}
 +
===Gallery===
 +
<b>"Old" Zombie Head Textures</b>
  
:small_blue_diamond:100% वसतवक और गरट परणम
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The head textures for the "old" zombies. The part used for the side of the headcrab is reused from the pre-sheet fast headcrab.<ref>See <b>Old Zombie / BB Fast Headcrab Comparison</b></ref>
अब कल कर ०६४६ ९९ ..४ पर IMMEDIATELY
+
<gallery hideaddbutton=true widths="200" orientation="none" spacing="small" position="center" bordersize="none" captionsize="small">
 +
headcrab.png|Classic
 +
headcrab_f.png|Fast
 +
headcrab_p.png|Poison
 +
Earlyzombieheadcrabrecreation.png|Fan-made recreation of the classic zombie's headcrab, with the classic headcrab texture mapped onto the brickbat headcrab mesh.
 +
</gallery>
 +
 
 +
<b>Miscellaneous Classic Zombie Textures</b>
 +
 
 +
Various miscellaneous classic zombie textures, where the version affiliation is unclear.
 +
<gallery hideaddbutton=true widths="200" orientation="none" spacing="small" position="center" bordersize="none" captionsize="small">
 +
fuckyou.png|"placeholder.vtf"
 +
leak_f_allinonebacup2.png|"allinonebacup2.vtf": Leftover fast headcrab sheet included in Classic headcrab folder
 +
</gallery>
 +
==Version 2: Red Headcrab==
 +
[[File:V2_render.png|left]]
 +
Eventually, with the transition from the old zombie models to the fat zombie models, the headcrab went from reusing the fast headcrab's model to using its own, which at the time still held plenty of differences compared to its Half-Life counterpart.
 +
 
 +
The headcrab this version refers to has both screenshots and textures available for it, which provide a decent idea for what it is short of model availability. It has a reddish appearance, with a similar (though bulkier) profile compared to later versions, and is noticeably bloodier even compared to Version 3.
 +
 
 +
The zombie of this version has a bloated appearance(hence the nickname "fat"), and appears to be based on the blue-shirted citizen model, with a traceably based-on<ref>See <b>Sleeve Texture Comparison</b></ref> sleeve texture still in use. In the Leak, this zombie's separate torso and legs models are still present, as the zombie that succeeded it has not yet had the models replaced. The torso has a headcrab model attached to it, however it appears to have already adopted Version 3's headcrab and the headcrab used has some rigging issues.
 +
 
 +
===Trivia===
 +
*Oddly, in "<code>/materials/models/Zombie_Classic</code>", there are two torso textures, "torso.vtf" and "torso2.vtf". The first's VMT has more settings, however the second is used on the leftover torso model.
 +
*The torso of the fat zombie still uses the arms of the Version 1-2's old zombie model, albeit assigned to a renamed "hand.vtf" instead of "arm.vtf".
 +
*The textures of the separate headcrab model and the headcrab intended to be used on top of the zombie's head slightly differ, with the separate headcrab being noticeably bloodier.
 +
*Unlike the zombie headcrab, the separate headcrab possesses 512x normal & height<ref>Used for a similar effect to normal maps before they were adopted, they occasionally appear in the Leak.</ref> maps for "backlegs_CL" and "head_CL", although not for "mouth_CL" or "teeth_CL".
 +
{{clear}}
 +
===Gallery===
 +
 
 +
<b>Renders</b>
 +
 
 +
<gallery columns="3" widths="180" hideaddbutton=true orientation="none" spacing="small" position="center" bordersize="none" captionsize="small">
 +
czomb2_tor_back.png|Torso
 +
czomb2_tor_back2.png
 +
czomb2_tor_side.png
 +
czomb2_leg_front.png|Legs
 +
czomb2_leg_back.png
 +
czomb2_leg_side.png
 +
</gallery>
 +
 
 +
<b>Headcrab Textures</b>
 +
 
 +
<gallery hideaddbutton=true widths="150" orientation="none" spacing="small" position="center" bordersize="none" captionsize="small">
 +
Cheadcrab backlegs CL.png|"backlegs_CL.vtf"
 +
Cheadcrab head CL.png|"head_CL.vtf"
 +
Cheadcrab mouth CL.png|"mouth_CL.vtf"
 +
teeth_CL.png|"teeth_CL.vtf"
 +
</gallery>
 +
 
 +
<b>Zombie Textures</b>
 +
 
 +
<gallery hideaddbutton=true widths="100" orientation="none" spacing="small" position="center" bordersize="none" captionsize="small">
 +
z_2_gore.png|"gore.vtf"
 +
z_2_hand.png|"hand.vtf"
 +
z_2_head.png|"head.vtf"
 +
z_2_pant.png|"pant.vtf"
 +
z_2_pantL.png|"pantL.vtf"
 +
z_2_shirt_noalpha.png|"shirt.vtf"<ref>Used, strangely, for the shirt fragments hanging off the it's arms.</ref>.
 +
z_2_shoe.png|"shoe.vtf"
 +
z_2_torso.png|"torso.vtf"<ref>Unused, but possesses an additional alpha channel and slight texture differences. See <b>Version 2 Torso Comparison</b></ref>
 +
z_2_torso2.png|"torso2.vtf"
 +
</gallery>
 +
 
 +
<b>Screenshots</b>
 +
 
 +
<gallery hideaddbutton=true widths="300" orientation="none" spacing="small" position="center" bordersize="none" captionsize="small">
 +
Zombie.jpg
 +
Zombies hires.png
 +
ravenholm.jpg|Alternate version
 +
Ravenholm_fire_wm.jpg
 +
</gallery>
 +
==Version 3: Bloody Headcrab==
 +
[[File:v3_sideimg2.png|left]]
 +
The version shown at E3 2003 and that came along for [[The_2003_Leak | Half-Life 2's leak]]. While more similar to the final classic headcrab design, it retains a bloodstained appearance, with nearly its entire front covered in it. While the texturing and animations differ, the UVing is final and the mesh's design will remain the same.
 +
 
 +
As a zombie, this version's model is a major change from the previous, being more visibly based on the blue-shirted citizen, re-adding the opened chest not present in Version 2, and substituting a head for a stump of one. The textures have also been moved to a singular sheet, and the mesh is noticeably higher quality than previously.
 +
 
 +
===Trivia===
 +
*This version of the headcrab has blue speckles on the bottom of the two front legs, which are far less prevalent in the final version.
 +
*The texture for the opened chest is reused for the final zombie, albeit with some modification.
 +
*Unlike the final and previous models, this version doesn't seem to have any remaining head besides the lower jaw. This "head" would later be re-used on the Zombines in Episode One.
 +
{{clear}}
 +
===Gallery===
 +
<b>Renders</b>
 +
 
 +
<gallery hideaddbutton=true widths="130" orientation="none" spacing="small" position="center" bordersize="none" captionsize="small" columns="4">
 +
v3hc_front.png
 +
v3hc_bottom.png
 +
v3hc_top.png
 +
v3hcside.png
 +
czomb3_front.png
 +
czomb3_back.png
 +
czomb3_side.png
 +
czomb3_front_a.png
 +
</gallery>
 +
 
 +
<b>Textures</b>
 +
 
 +
<gallery hideaddbutton=true widths="250" orientation="none" spacing="small" position="center" bordersize="none" captionsize="small">
 +
headcrabsheet.png|"headcrabsheet.vtf"
 +
Zombie_classic.png|"Zombie_classic.vtf"
 +
</gallery>
 +
 
 +
<b>Screenshots</b>
 +
 
 +
<gallery hideaddbutton=true widths="250" orientation="none" spacing="small" position="center" bordersize="none" captionsize="small" columns="4">
 +
ravenholm_trap.jpg
 +
</gallery>
 +
==Version 4: Non-Bloody Headcrab==
 +
[[File:V4_sideimg.png|left]]
 +
Relatively obscure, it appears in a small set of Ravenholm screenshots released after the [[The_2003_Leak | Half-Life 2 leak]]. It appears to reuse the same body as Version 3, and the zombie is identical to Version 3's.
 +
 
 +
The primary difference between it and Version 3 is that it doesn't have any blood on it (and has a slightly lower contrast), but also doesn't have the more uniform brown color present on Version 5.
 +
===Gallery===
 +
<b>Screenshots</b>
 +
 
 +
<gallery hideaddbutton=true widths="160" orientation="none" spacing="small" position="center" bordersize="none" captionsize="small">
 +
zombies.jpg
 +
Street.png
 +
ravenholm_street.jpg
 +
</gallery>
 +
{{clear}}
 +
==Version 5: Final==
 +
[[File:v6_sideimg.png|left]]
 +
The final version of the headcrab that shipped with Half-Life 2. It appears in a few of the last screenshots, and of course with the game itself. It possesses a uniformly brown look, with comparatively minimal blood stains oriented around the mouth.
 +
 
 +
The zombie again gets another new model, this time based on the retail citizen models and re-using Erdim's facemap. It retains the chest opening of the previous versions, but does not keep the miscellaneous leg/arm wounds scattered around on the previous versions.
 +
===Trivia===
 +
*The front chest texture is reused from Versions 3 & 4, and has some coloring on the sides that reflects this.
 +
{{clear}}
 +
===Gallery===
 +
<b>Renders (Headcrab)</b>
 +
 
 +
<gallery hideaddbutton=true widths="180" orientation="none" spacing="small" position="center" bordersize="none" captionsize="small" columns = "4">
 +
h_f_front.png
 +
h_f_behind.png
 +
h_f_ortho.png
 +
</gallery>
 +
 
 +
<b>Renders (Zombie)</b>
 +
 
 +
<gallery hideaddbutton=true widths="180" orientation="none" spacing="small" position="center" bordersize="none" captionsize="small" columns = "4">
 +
z_f_front.png
 +
z_f_behind.png
 +
z_f_side.png
 +
</gallery>
 +
 
 +
<b>Textures</b>
 +
 
 +
<gallery hideaddbutton=true widths="250" orientation="none" spacing="small" position="center" bordersize="none" captionsize="small">
 +
f_c_headcrabsheet.png
 +
f_c_zombie_classic_sheet.png
 +
</gallery>
 +
 
 +
==Version Misc-1: Zombie_Assassin Headcrab==
 +
An oddball classic-style headcrab model that comes with the Zombie Assassin's model. It appears to be an upscaled version of the Leak headcrab model with a number of modifications, including the welding of the back legs onto the assassin's body, the lengthening of the teeth around the headcrab's "mouth", and the adoption of a completely different texture for just it that manages to be 256x.
 +
===Trivia===
 +
*The decompiled reference mesh of the zombie assassin is named "<code>Zombie_assassin_referencev3.smd</code>".
 +
*The mouth of the headcrab is not present and isn't textured, implying that the headcrab was not intended to be removed from this model.
 +
*Although the rest of the zombie model is normal-mapped, the arms don't have any, causing a grid effect.
 +
===Gallery===
 +
<b>Renders</b>
 +
<gallery hideaddbutton=true widths="160" orientation="none" spacing="small" position="center" bordersize="none" captionsize="small" columnns="4">
 +
chead_v6_front.png
 +
chead_v6_side.png
 +
chead_v6_behind.png
 +
chead_v6_under.png
 +
v6_z_front.png
 +
v6_z_side_back.png
 +
v6_z_side_back2.png
 +
</gallery>
 +
 
 +
<b>Textures</b>
 +
 
 +
<gallery hideaddbutton=true widths="150" orientation="none" spacing="small" position="center" bordersize="none" captionsize="small" columnns="4">
 +
hcb_arm2.png|"hcb_arm2.vtf"
 +
hcb_head.png|"hcb_head.vtf"
 +
hcb_leg2.png|"hcb_leg2.vtf"
 +
hcb_torso2.png|hcb_torso2.vtf"
 +
 
 +
</gallery>
 +
 
 +
==Comparisons==
 +
Used to prove connections between textures.
 +
 
 +
<b>BB Headcrab / HL1 Headcrab Texture Comparison</b>
 +
 
 +
<gallery type="slideshow" widths="350" position="right">
 +
front_upsc.png|HL1
 +
M2cl_upsc.png|Brickbat
 +
transparent section_upsc.png|HL1
 +
M0cl_notrans.png|Brickbat
 +
</gallery>
 +
<gallery columns="2" hideaddbutton=true widths="100" orientation="none" spacing="small" position="left" bordersize="none" captionsize="small">
 +
Hl1hc_front.png|HL1
 +
transparent section.png|HL1
 +
M0cl_notrans.png|Brickbat
 +
M2CL fast.png|HL1
 +
</gallery>
 +
 
 +
<b>Old Zombie / BB Fast Headcrab Comparison</b>
 +
 
 +
<gallery type="slideshow" widths="350" position="center">
 +
headcomparison_1.png
 +
headcomparison_2.png
 +
</gallery>
 +
 
 +
<b>Fast Headcrab Sheet Comparison</b>
 +
 
 +
<gallery type="slideshow" size="512" position="center">
 +
Leak f allinonebacup2.png|Fast, leak
 +
allinonebacup2.png|Classic, leak
 +
</gallery>
 +
 
 +
<b>Version 2 Torso Comparison</b>
 +
 
 +
<gallery type="slideshow" size="512" position="center">
 +
Z_2_torso.png
 +
Z_2_torso2.png
 +
</gallery>
 +
 
 +
<b>Zombie/Separate Headcrab Texture Comparison</b>
 +
 
 +
<gallery type="slideshow" size="512" position="center">
 +
Cheadcrab head CL.png|Separate Headcrab
 +
Czombie head CL.png|Zombie Headcrab
 +
Cheadcrab mouth CL.png|Separate Headcrab
 +
Czombie mouth CL.png|Zombie Headcrab
 +
Cheadcrab backlegs CL.png|Separate Headcrab
 +
Czombie backlegs CL.png|Zombie Headcrab
 +
</gallery>
 +
 
 +
<b>Sleeve Texture Comparison</b>
 +
 
 +
<gallery type="slideshow" size="256" position="center">
 +
citizenarm.png|Green-shirt "sleeve.vtf"<ref>Later version of blue-shirt citizen, used as blue-shirt sleeve is not present in [[The_2003_Leak | the Leak]].</ref>
 +
zombiearm.png|"sleeve.vtf"
 +
</gallery>
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<b>Later Headcrab Sheet Comparison</b>
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<gallery type="slideshow" size="512" position="center">
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Headcrabsheet.png|Version 3
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F c headcrabsheet.png|Version 5
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v3_uvlayout.png|Version 3 (UVs)
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final_HC.png|Version 5 (UVs)
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</gallery>
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==References==
 +
{{Reflist}}
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 +
 
 +
<b>Other Thoughts?</b>
 +
 
 +
Know anything about this I didn't include? Edit it in, and let everyone else know. It's a wiki, after all.
 +
[[Category:Half-Life 2]]
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[[Category:Enemies]]
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[[Category:2003 Leaks]]
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[[Category:Good Articles]]
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[[Category:Evolution]]

Revision as of 09:26, 18 July 2020

Throughout the development of Half-Life 2, there were a large variety of different "Classic" headcrabs present, from the initial removal of them in favor of fast headcrabs that didn't stick, to the reddish headcrabs, to bloody, to, finally, non-bloody headcrabs.

Version 0: None

V0 head.png

Several factors suggest that the fast headcrab originally replaced the classic-style headcrab.

  • Both the model texture paths and the models themselves refer to the fast headcrab as "Headcrab", and the normal headcrab as "headcrab_classic". This is also present on the brickbat model for the headcrab, which is shaped identically to the final fast headcrab with thin, long legs and a smaller main body.
  • All three of the "old" headcrab zombies' textures use headcrabs that are much more akin to the fast headcrab, and share similarities with the fast headcrab's textures (particularly the side).
  • The texture sheet for the fast headcrab also appears in the classic headcrab's texture folder, with some coloring differences[1] between the two. This would appear to indicate that the classic headcrab's model would have used earlier-completed composite-sheet fast headcrab's model before moving to Version 2.
  • Concept art dated to 2001[2] for the headcrab zombie shows a fast headcrab on top of it, with an appearance that significantly resembles the "old" zombie's textures, with rips near the elbows and knees.
  • The Brickbat (BB) headcrab model reuses two textures[3] from Half-Life 1's headcrab, albeit in a modified state, and has a polygon count that implies that it was around much earlier than even the later fast headcrab model.

However, this did not last, and even before the first set of zombie models were fully out, the classic headcrab had come back to Half-Life 2.

Gallery

BB Headcrab Viewmodel Renders

This model can be found at "/models/Weapons/v_BB_headcrab.mdl". Despite the implied age, it can be opened with the stock HLMV included with the Leak.

BB Fast Headcrab Textures

This includes the pre-sheet textures in the fast headcrab's texture folder that are not used for the "squashed" models. These same textures are also included in the "v_BB_headcrab" texture folder, albeit at a lower resolution.

Pre-Separation Zombie Textures

These can be found at "/materials/models/Zombie". They appear to be before the separation of the zombie into 3 different classes, since clones of these textures appear in the three other zombie folders.

Concept Art

Version 1: Placeholder Headcrab

V1 render2.png

While the classic headcrab had been implemented, it had not yet had its own model created, and evidence remains of an odd period where it existed without an independent model, as both a zombie and individual headcrab.

As a zombie, it reused the "old" zombie model and only retextured the headcrab head's texture. The textures of these relatively simply-differentiated models still remain. Since there is a distinction between the classic/fast headcrab in the textures of the old zombies, the decision to re-include the classic headcrab may have been made during the period where the old zombies were in use, and when adding the new zombie model they just recolored the headcrab used by the pre-classic headcrab zombie as a placeholder.

As a headcrab, it (may have) reused the fast headcrab model, evidenced by a leftover texture sheet still kept in the classic headcrab's folder, which remains in the final version.

Gallery

"Old" Zombie Head Textures

The head textures for the "old" zombies. The part used for the side of the headcrab is reused from the pre-sheet fast headcrab.[5]

Miscellaneous Classic Zombie Textures

Various miscellaneous classic zombie textures, where the version affiliation is unclear.

Version 2: Red Headcrab

V2 render.png

Eventually, with the transition from the old zombie models to the fat zombie models, the headcrab went from reusing the fast headcrab's model to using its own, which at the time still held plenty of differences compared to its Half-Life counterpart.

The headcrab this version refers to has both screenshots and textures available for it, which provide a decent idea for what it is short of model availability. It has a reddish appearance, with a similar (though bulkier) profile compared to later versions, and is noticeably bloodier even compared to Version 3.

The zombie of this version has a bloated appearance(hence the nickname "fat"), and appears to be based on the blue-shirted citizen model, with a traceably based-on[6] sleeve texture still in use. In the Leak, this zombie's separate torso and legs models are still present, as the zombie that succeeded it has not yet had the models replaced. The torso has a headcrab model attached to it, however it appears to have already adopted Version 3's headcrab and the headcrab used has some rigging issues.

Trivia

  • Oddly, in "/materials/models/Zombie_Classic", there are two torso textures, "torso.vtf" and "torso2.vtf". The first's VMT has more settings, however the second is used on the leftover torso model.
  • The torso of the fat zombie still uses the arms of the Version 1-2's old zombie model, albeit assigned to a renamed "hand.vtf" instead of "arm.vtf".
  • The textures of the separate headcrab model and the headcrab intended to be used on top of the zombie's head slightly differ, with the separate headcrab being noticeably bloodier.
  • Unlike the zombie headcrab, the separate headcrab possesses 512x normal & height[7] maps for "backlegs_CL" and "head_CL", although not for "mouth_CL" or "teeth_CL".

Gallery

Renders

Headcrab Textures

Zombie Textures

Screenshots

Version 3: Bloody Headcrab

V3 sideimg2.png

The version shown at E3 2003 and that came along for Half-Life 2's leak. While more similar to the final classic headcrab design, it retains a bloodstained appearance, with nearly its entire front covered in it. While the texturing and animations differ, the UVing is final and the mesh's design will remain the same.

As a zombie, this version's model is a major change from the previous, being more visibly based on the blue-shirted citizen, re-adding the opened chest not present in Version 2, and substituting a head for a stump of one. The textures have also been moved to a singular sheet, and the mesh is noticeably higher quality than previously.

Trivia

  • This version of the headcrab has blue speckles on the bottom of the two front legs, which are far less prevalent in the final version.
  • The texture for the opened chest is reused for the final zombie, albeit with some modification.
  • Unlike the final and previous models, this version doesn't seem to have any remaining head besides the lower jaw. This "head" would later be re-used on the Zombines in Episode One.

Gallery

Renders

Textures

Screenshots

Version 4: Non-Bloody Headcrab

V4 sideimg.png

Relatively obscure, it appears in a small set of Ravenholm screenshots released after the Half-Life 2 leak. It appears to reuse the same body as Version 3, and the zombie is identical to Version 3's.

The primary difference between it and Version 3 is that it doesn't have any blood on it (and has a slightly lower contrast), but also doesn't have the more uniform brown color present on Version 5.

Gallery

Screenshots

Version 5: Final

V6 sideimg.png

The final version of the headcrab that shipped with Half-Life 2. It appears in a few of the last screenshots, and of course with the game itself. It possesses a uniformly brown look, with comparatively minimal blood stains oriented around the mouth.

The zombie again gets another new model, this time based on the retail citizen models and re-using Erdim's facemap. It retains the chest opening of the previous versions, but does not keep the miscellaneous leg/arm wounds scattered around on the previous versions.

Trivia

  • The front chest texture is reused from Versions 3 & 4, and has some coloring on the sides that reflects this.

Gallery

Renders (Headcrab)

Renders (Zombie)

Textures

Version Misc-1: Zombie_Assassin Headcrab

An oddball classic-style headcrab model that comes with the Zombie Assassin's model. It appears to be an upscaled version of the Leak headcrab model with a number of modifications, including the welding of the back legs onto the assassin's body, the lengthening of the teeth around the headcrab's "mouth", and the adoption of a completely different texture for just it that manages to be 256x.

Trivia

  • The decompiled reference mesh of the zombie assassin is named "Zombie_assassin_referencev3.smd".
  • The mouth of the headcrab is not present and isn't textured, implying that the headcrab was not intended to be removed from this model.
  • Although the rest of the zombie model is normal-mapped, the arms don't have any, causing a grid effect.

Gallery

Renders

Textures

Comparisons

Used to prove connections between textures.

BB Headcrab / HL1 Headcrab Texture Comparison

Old Zombie / BB Fast Headcrab Comparison

Fast Headcrab Sheet Comparison

Version 2 Torso Comparison

Zombie/Separate Headcrab Texture Comparison

Sleeve Texture Comparison

Later Headcrab Sheet Comparison

References

  1. See Fast Headcrab Sheet Comparison
  2. Check Ted's signature
  3. See Old Zombie / BB Fast Headcrab Comparison
  4. Appears to be unused, since it also appears on this version's headcrab texture.
  5. See Old Zombie / BB Fast Headcrab Comparison
  6. See Sleeve Texture Comparison
  7. Used for a similar effect to normal maps before they were adopted, they occasionally appear in the Leak.
  8. Used, strangely, for the shirt fragments hanging off the it's arms.
  9. Unused, but possesses an additional alpha channel and slight texture differences. See Version 2 Torso Comparison
  10. Later version of blue-shirt citizen, used as blue-shirt sleeve is not present in the Leak.


Other Thoughts?

Know anything about this I didn't include? Edit it in, and let everyone else know. It's a wiki, after all.