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Difference between revisions of "Sarien/Hires Badness"
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As of r25037, the ''hires'' mode is all gone, and the AGI engine is a thousand lines lighter. | |||
--[[User:Dsymonds|dsymonds]] 17:59, 6 January 2007 (UTC) | |||
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Sarien's ''hires'' mode causes some behavioural glitches, and should be removed in favour of leaving these Scale2x-style graphical enhancements to the ScummVM backends, especially since it can be made optional at that point. | Sarien's ''hires'' mode causes some behavioural glitches, and should be removed in favour of leaving these Scale2x-style graphical enhancements to the ScummVM backends, especially since it can be made optional at that point. | ||
The primary problem comes from [[ | The primary problem comes from [[AGI/Specifications/Overview#Priority|AGI's priority screens]], which control how the background scenery and the movable objects interact. For the uninitiated, you can think of it as a sort of "depth channel" (by analogy with an alpha channel). To add more complexity, [[AGI/Specifications/Overview#Control_lines|control lines]] are also drawn on the priority screen, and they are responsible for the demarcation of no-go areas and for triggering various events (opening automatic doors, triggering traps, etc.). | ||
AGI is a fairly touchy engine, and really requires pixel-perfect rendering internally; the ''hires'' mode thus causes a few problems, because it effectively smears the sharp borders that the rest of the AGI engine expects, leading to incorrect interpretation. | AGI is a fairly touchy engine, and really requires pixel-perfect rendering internally; the ''hires'' mode thus causes a few problems, because it effectively smears the sharp borders that the rest of the AGI engine expects, leading to incorrect interpretation. | ||
At the very least, this is redundant code, since the ScummVM backends can do the Scale2x effects, and have it configurable too! | |||
=== Space Quest 2 === | === Space Quest 2 === | ||
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[[Image:sarien-hires-body.png]] | [[Image:sarien-hires-body.png]] | ||
Below is the priority screen for that room. Different | Below is the priority screen for that room. Different colors are different depths: the ego can walk "between" the aqua bushes on the left and the green bushes on the right, but only when he's at the right "priority". | ||
[[Image:sarien-hires-priority.png]] | [[Image:sarien-hires-priority.png]] | ||