Egg Capsule Creation

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Ever want to make your boss battle more authentic like the official SRB2 levels? This guide will help you do that by showing you how to make egg capsules. Though very minor, this sector makes a boss level seem more complete and ultimately, makes beating Eggman so more rewarding when you see those little critters run or fly free. As a warning, making egg capsules requires a good amount of SRB2 level-making skill and should not be attempted by newer designers.

Contents

Introduction

Now that you decided you want to make a egg capsule, make/find a boss level and find a good flat area for it (the middle of the level works best.) The next section of the guide will tell you how big the sectors should be.

The Sectors

File:Sectors.PNG
Sector Diagram

Due to some lapse in my judgment years ago, I misworded a sector in the picture. The "innermost" sector will now be known as the "middle" sector.

SECTORS TAGS

Time to start on the egg sector itself. Create 3 sectors to the specifications mentioned below. As a tip, try not to move your mouse once you make the outer sector. That way when you make the smaller sectors that must go in the outer sector, it'll be created evenly. Also, set all 3 of these sectors floor and ceiling heights to that same as the sector surrounding the "outer sector."

Outer sector:

Where the base of the capsule will come out, should have 8 sides, with a diameter of 94. Give this sector a tag number of 1.

Middle sector:

Should be an 8-sided sector with a diameter of 47. Give this sector a tag of 3.

Inner sector:

Where the button for the capsule will be. Should be a 4 sided sector (square) with a diameter of 8. Give this sector a tag of 2.

The Control Sectors

File:Control Sectors.PNG
Control sector diagram

Control Sector portions

In order for the egg capsule to work perfectly, a lot of control sectors must be made (12 in total.) look at the picture to see how they should look. Create the 12 sectors and arrange them in the way you see the picture. When you're done with that, read below for the specific sector info you must set every sector to.

NOTE!

In the following section for control sectors, you'll see formulas like "LEFT portion: Ceiling: SFLOOR + 120 Floor: SFloor" are used. By SFloor, I mean the height of the surrounding sector's floor where the egg capsule will rise up from. If the floor of the sector surrounding the egg capsule was 500, you would set the left portion's ceiling to 620 and its floor to 500.

TOP CONTROL SECTOR

LEFT portion:

Ceiling: SFloor + 112

Floor: SFloor - 8

MIDDLE portion:

Ceiling: SFloor - 16

Floor: SFloor - 136

RIGHT portion:

Ceiling: SFloor + 120

Floor: SFloor

UPPER MIDDLE CONTROL SECTOR

LEFT portion:

Ceiling: SFloor + 120

Floor: SFloor + 112

MIDDLE portion:

Ceiling: SFloor - 8

Floor: SFloor - 16

RIGHT portion:

Ceiling: SFloor + 128

Floor: SFloor + 120

LOWER MIDDLE CONTROL SECTOR

LEFT portion:

Ceiling: SFloor + 112

Floor: SFloor + 88

MIDDLE portion:

Ceiling: SFloor - 24

Floor: SFloor - 80

RIGHT portion:

Ceiling: SFloor + 112

floor: SFloor + 56

BOTTOM CONTROL SECTOR

LEFT portion:

Ceiling: SFloor + 24

Floor: SFloor

MIDDLE portion

Ceiling: SFloor - 80

Floor: SFloor - 136

RIGHT portion

Ceiling: SFloor + 56

Floor: SFloor

SETTING UP THE EGG CAPSULE

Now that the heights for the control sector is set, tags, linedef types, and textures used must be set. Don't worry, even though it seems like a lot of work, it's not.

LINEDEFS

The linedefs that are in red in the picture below are the ones that need to be linedef type 25; the 3D Block w/Shadow.

LINEDEF INFO

File:Linedefs.PNG

TOP CONTROL SECTOR:

Setting the above linedef: Set tag to 3. Set the texture to THZWAL01.

UPPER MIDDLE CONTROL SECTOR:

Setting the lower linedef: Set the tag to 2. Set the texture to YELWALL.

Setting the above linedef: Set the tag to 3. Set the texture to YELWALL.

LOWER MIDDLE CONTROL SECTOR:

Setting the lower linedef: Set the tag to 1. Set the texture to EGGTRAP1.

Setting the above linedef: Set the tag to 2. Set the texture to EGGTRAP1.

BOTTOM CONTROL SECTOR:

Setting the lower linedef: Set the tag to 1. Set the texture to EGGTRAP2.

Setting the above linedef: Set the tag to 2. Set the texture to EGGTRAP2.

CONTROL SECTOR INFO

This section tells how the control sector's tags and textures should be set up. You only need to do these changes to the middle portions.

UPPER CONTROL SECTOR:

Give this sector a tag of 680 and set both the ceiling and floor flat to YELFLR.

UPPER MIDDLE CONTROL SECTOR:

NOTE: Set this sector's light value lower than the sector that's surrounding the egg capsule to make this sector (the yellow button) cast a shadow. Give this sector a tag of 680, Set its effect number to 666 and set both the ceiling and floor flats to YELFLR.

LOWER MIDDLE CONTROL SECTOR:

Set the sector's tag to 681 and set both the ceiling and floor flats to TRAPFLR.

BOTTOM CONTROL SECTOR:

Give this sector a tag of 682 and set both the ceiling and floor flats to TRAPFLR.

Finishing touches

Now you are almost done with the egg capsule, you just need to add a THING. Create an Egg Capsule Center thing on the map, then place it in the middle of the square sector (the button) then the egg capsule is ready. If you did everything correctly, your egg capsule should rise when Eggman is defeated. When you touch the yellow button, cage shutter will rise up and the animals will be freed.

Sample

Example WAD: Sample-eggcapsule.wad‎

Notes

  • This example WAD can be played in Single Player mode. It uses MAP01, replacing Greenflower Zone Act 1.
  • This example shows an Egg Capsule working in a boss level.
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