yay

Fixed traps in immediate melee mode


git-svn-id: http://svn.net-core.org/repos/t-engine4@6808 51575b47-30f0-44d4-a5cc-537603b46e54

upgraded some C libs
cleanup some C code
update osx compile


git-svn-id: http://svn.net-core.org/repos/t-engine4@6578 51575b47-30f0-44d4-a5cc-537603b46e54

Diagonal targetting in a single dug out line should work


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Hex-mode support added to the engine; a simple 'core.fov.set_algorithm("hex")' in your module's load.lua and you are in hex mode!
Directly computing directions is deprecated; instead use util.adjacentCoords and all the new coord functions


git-svn-id: http://svn.net-core.org/repos/t-engine4@4868 51575b47-30f0-44d4-a5cc-537603b46e54

Talents bound to "left- and middle-click on target" no longer work on unseen (i.e., invisible) actors.
Location of unseen (i.e., invisible) actors may not be inferred from targeting highlights.
Targeting highlights now show how a targeting path is blocked when blocked by a corner of an adjacent obstructed tile.


git-svn-id: http://svn.net-core.org/repos/t-engine4@4590 51575b47-30f0-44d4-a5cc-537603b46e54

FOV/LOS shape can now be altered by modules using a simple: core.fov.set_vision_shape("circle") . The parameter can be one of "circle", "circle_floor", "circle_ceil", "circle_plus1", "diamond", "octagon", "square"


git-svn-id: http://svn.net-core.org/repos/t-engine4@4404 51575b47-30f0-44d4-a5cc-537603b46e54

<li>FoV no longer improperly peeks around blocked corners</li>
<li>LoS is now equivalent to FoV</li>
<li>"Smart" LoS: if you can see it, you can target and project to it</li>
<li>FoV has a permissiveness setting that can be set for each level</li>
<li>Distance metrics are now consistent for FoV, AoE, and talent ranges (defaults to rounded circle)</li>
<li>fov_beam_any_angle function now uses "dx", "dy" as input instead of "angle"</li>
</ul>


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