Coronas

The corona types are used in opcodes 024F and 04D5, which make a call to the function 0x6FC580.

ID	Screenshot	Description
0		Corona used in the 'Kickstart' minigame
1		A slightly larger version of ID 0, which is unused in the original game
2		A moon
3		Used for reflective lights
4		Used for vehicle lights
9		A circular corona which looks like the fly-through spheres

Memory Structure

The following list shows the corona memory structure. Some values were found from the MTA Source and Ryosukes Documentation.

Base Info
- Base: 0xC3E058
- Size: 0x3C
- Num: 0x40
Offsets
- +0x00: Coordinates Array
  - +0x00 [float]: X Coord
  - +0x04 [float]: Y Coord
  - +0x08 [float]: Z Coord
- +0x0C [dword]: Indentifier / Address?
- +0x10 [dword]: Pointer to texture structure
- +0x14 [float]: Radius
- +0x18 [float]: Normal Angle? (0.0 by default)
- +0x1C [float]: Far Clip
- +0x20 [float]: Near Clip
- +0x24 [float]: Height Above Ground?
- +0x28 [float]: Fade Speed
- +0x2C: RGBA Colour
  - +0x0 [byte]: Red Value
  - +0x4 [byte]: Green Value
  - +0x8 [byte]: Blue Value
  - +0xC [byte]: Alpha Value
- +0x30 [byte]: Visibility (0 = invisible / 255 = visible)
- +0x31 [byte]: Faded intensity
- +0x32 [byte]: Flare type
- +0x33 [byte]: Wet reflection type?
- +0x34 [byte]: Unknown
- +0x35 [byte]: Unknown
- +0x36 [byte]: Unknown
- +0x37 [byte]: Unknown
- +0x38 [byte]: Unknown