40 lines
1.5 KiB
Java
40 lines
1.5 KiB
Java
package org.dynmap.hdmap;
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import org.dynmap.Color;
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import org.dynmap.utils.MapChunkCache;
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import org.dynmap.utils.MapIterator;
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/**
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* This interface is used to define the operational state of a renderer during raytracing
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* All method should be considered performance critical
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*/
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public interface HDShaderState {
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/**
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* Reset renderer state for new ray - passes in pixel coordinate for ray
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*/
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void reset(int x, int y);
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/**
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* Process next ray step - called for each block on route
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* @param blocktype - block type of current block
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* @param blockdata - data nibble of current block
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* @param skylightlevel - sky light level of previous block (surface on current block)
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* @param emittedlightlevel - emitted light level of previous block (surface on current block)
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* @param laststep - direction of last step
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* @return true if ray is done, false if ray needs to continue
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*/
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boolean processBlock(int blocktype, int blockdata, int skylightlevel, int emittedlightlevel, HDMap.BlockStep laststep);
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/**
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* Ray ended - used to report that ray has exited map (called if renderer has not reported complete)
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*/
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void rayFinished();
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/**
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* Get result color - get resulting color for ray
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* @param c - object to store color value in
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* @param index - index of color to request (renderer specific - 0=default, 1=day for night/day renderer
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*/
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void getRayColor(Color c, int index);
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/**
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* Clean up state object - called after last ray completed
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*/
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void cleanup();
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}
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