24 lines
1.8 KiB
Text
24 lines
1.8 KiB
Text
JSDSH currently uses two different class-trees (one for the crafty/graphical objects, one for "game" objects),
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although this (and everything marked with (*)) is subject to change in the future.
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The Crafty-Classes that are not defined by the library (included from jsds_crafty.js) are:
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Thing: A base class, providing the Canvas- and Color-Mechanisms and positioning.
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Creature: Creatures are everything tha may attack and move (that is, players and monsters)
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Additional to Thing, this class provides mechanisms for moving the element by mouse or arrow-keys,
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collision-control to prevent overlaps, and bindings.
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(*) Furthermore, every creture-object has a variable set to the associated game-object.
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The following additional functions and variables are defined in jsds_crafty.js:
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last_sel: contains a reference to the game-object associated to the last clicked object.
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end_init(): This function should be called as last after an adventure is loaded and initialized. Usually,
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when using arrow key control, crafty moves every EACH object where it is activated.
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end_init disables this control for each object of type "Creature", and sets a hook needed to work
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around a bug in crafty.
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reset_bug(): resets the problems with a bug in crafty that causes a key-down-event to be (constantly) triggered
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when the JSDSH-Tab is the one the browser falls back to after closing another tab.
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(Strange, I know…).
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If this happens, DON'T CLICK ANOTHER OBJECT! Open the JS-console and run reset_bug() manually.
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If you accidantily clicke ONE other object, it is still possible to get back to the old state
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Manually reset_bug(), de- and refocus the window, and run reset_bug() once more.
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