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texture parthia, data/models_unit/textures/MOUNT/camel_cataphract_parthia_wb.tga
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model_sprite parthia, 100.0, data/sprites/parthia_camel_cataphract_sprite.spr
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You don't need to do anything to the picture files if you want the unit to look the same for the new faction. For example if you had the above lines for sprites/textures to give the same texture to armenia you would add two lines to the above entry so it looks like this:
Code:
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texture parthia, data/models_unit/textures/MOUNT/camel_cataphract_parthia_wb.tga
texture armenia, data/models_unit/textures/MOUNT/camel_cataphract_parthia_wb.tga.
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model_sprite parthia, 100.0, data/sprites/parthia_camel_cataphract_sprite.spr
model_sprite armenia, 100.0, data/sprites/parthia_camel_cataphract_sprite.spr.
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