I'll give that one a go in the next week or so. To cast a spell with a material (M), focus (F), or divine focus (DF) component, you have to have the proper materials, as described by the spell. You can’t cast a spell of this type while bound, grappling, or with both your hands full or occupied. On the up-side, a manual check for the WF Ray feat might be doable and a straight-forward hack into the relevant spells (not that many of them). To cast a spell with a somatic (S) component, you must gesture freely with at least one hand. (ToEE is not known for its consistency in such areas). A script to cover 95% of situations is easy, but covering all 100% is so convoluted and often involves checking for conditions that normally you never bother about in a script. Add heaven-knowns-how-many other parameters). Make all your iterative attacks based on BAB. Add humungous critters who are within reach, though their vital spots aren't. It works basically just like the melee magus does, except only ranged touch spells can be used with ranged spellstrike instead of melee touch spells. Add uncanny dodge, improved uncanny dodge and whether or not being 4 levels in rogue below the opponent. In a few cases the designers wanted a specific saving throw to be what matters most and assume the touch automatically succeeds (e.g. (Add staying within 30 feet for ranged attacks. Since you have to take into account, for instance, invisible rogues (common) not counting if the rogue himself is blind or otherwise not able to deliver a sneak attack, not countig the foe having the blind-fighting feat, not counting non-sneakable critters, not counting critters who can see invisible foes etc. It can be done, Basil, its just that the parameters are so complex I cried and curled into a ball trying to figure it out.

Bouncing spell and ranged touch spells