Ship drive speed tables

Information, How-to's, and discussion about mod'ing Master of Orion II.
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Lord Brazen
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Ship drive speed tables

Postby Lord Brazen » Thu Sep 29, 2005 1:09 am

Here is some information about the ship drives in the game exe. Thanks go out to Siron for figuring much of this out. You can view Sirons combat speed findings in his blog.

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Drive speed table @ file offset 0x1f64f2 in v1.31 Orion2.exe (0x1fE532 in Orion2v140.exe). The table consists of 6 entries each 0x2E bytes in length. Table Stucture -------------- Hexoff function ------ -------- 0-3 Used internally - do not change (ptr to drive type text) 4,5 drive size (lo/hi) 6 Technology # (see technology numbers table) 7-1f unknown (all zeros) 20-25 6 bytes for min combat speed (byte 1=ff...byte 6=doom star) 26-2b 6 bytes for max combat speed (byte 1=ff...byte 6=doom star) 2c,2d flight speed (lo/hi) Table contents -------------- 04 0A 00 00 01 00 78 00 00 00 00 00 00 00 00 00 ; Nuclear 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0A 08 06 05 04 03 14 12 10 0F 0E 0D 02 00 04 0A 00 00 02 00 48 00 00 00 00 00 00 00 00 00 ; Fusion 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0C 0A 08 07 06 05 16 14 12 11 10 0F 03 00 04 0A 00 00 03 00 60 00 00 00 00 00 00 00 00 00 ; Ion 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0E 0C 0A 09 08 07 18 16 14 13 12 11 04 00 04 0A 00 00 04 00 0B 00 00 00 00 00 00 00 00 00 ; Antimatter 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 10 0E 0C 0B 0A 09 1A 18 16 15 14 13 05 00 04 0A 00 00 05 00 58 00 00 00 00 00 00 00 00 00 ; Hyper 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12 10 0E 0D 0C 0B 1C 1A 18 17 16 15 06 00 04 0A 00 00 06 00 5F 00 00 00 00 00 00 00 00 00 ; Interphased 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 14 12 10 0F 0E 0D 1E 1C 1A 19 18 17 07 00
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Grig de Griz
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Drives Table

Postby Grig de Griz » Mon Nov 14, 2005 3:01 am

(My interpretation) ;)

This is the Drives Table (for for ships and fighters).

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Offset by the beginning of table 0x1F64C4 in v1.31 Orion2.exe. The table have 7 records. A size of record - 46 bytes. Record Structure: ----------------------------------------------------------------- Bytes | Description ----------------------------------------------------------------- 00-03 | Used internally - do not change (compiler signature); 04,05 | Used internally - do not change (index of drive type); 06,07 | Tetnology number (see technology numbers); 08-1F | ??? not used? (is always equal 0); 20 | Minimum combat speed for Frigate; 21 | Minimum combat speed for Destroyer; 22 | Minimum combat speed for Cruiser; 23 | Minimum combat speed for Battleship; 24 | Minimum combat speed for Titan; 25 | Minimum combat speed for Doom Star; 26 | Maximal combat speed for Frigate; 27 | Maximal combat speed for Destroyer; 28 | Maximal combat speed for Cruiser; 29 | Maximal combat speed for Battleship; 2A | Maximal combat speed for Titan; 2B | Maximal combat speed for Doom Star; 2C,2D | Flight speed (parsecs per turn). ----------------------------------------------------------------- Table Contents: -------------------------------------------------------------------- 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F -------------------------------------------------------------------- 04 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ; No Drive 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 0A 00 00 01 00 78 00 00 00 00 00 00 00 00 00 ; Nuclear Drive 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0A 08 06 05 04 03 14 12 10 0F 0E 0D 02 00 ... etc, see Lord Brazen's post

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siron
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Postby siron » Tue Nov 15, 2005 8:14 am

This is the Drives Table (for for ships and fighters).
Have you tested the fighters thing?


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