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change STBVOX_MAKE_LIGHTING to STBVOX_MAKE_LIGHTING_EXT so header file 

doesn't have to see the config variables (although this way is actually
more bug prone since you can now use the wrong macro)
This commit is contained in:
Sean Barrett 2015-04-11 01:05:55 -07:00
parent e2b645e4d7
commit 6685256560
3 changed files with 12 additions and 14 deletions
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17
stb_voxel_render.h
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@ -169,8 +169,10 @@
//
// VERSION HISTORY
//
// 0.80 (2015-04-11) fix broken STBVOX_CONFIG_ROTATION_IN_LIGHTING refactoring;
// add STBVOX_CONFIG_VHEIGHT_IN_LIGHTING and other vheight fixes;
// 0.80 (2015-04-11) fix broken STBVOX_CONFIG_ROTATION_IN_LIGHTING refactoring
// change STBVOX_MAKE_LIGHTING to STBVOX_MAKE_LIGHTING_EXT so
// that header defs don't need to see config vars
// add STBVOX_CONFIG_VHEIGHT_IN_LIGHTING and other vheight fixes
// added documentation for vheight ("weird slopes")
// 0.79 (2015-04-01) fix the missing types from 0.78; fix string constants being const
// 0.78 (2015-04-02) bad "#else", compile as C++
@ -713,11 +715,11 @@ struct stbvox_input_description
// then an additional 2-bit block rotation value is stored
// in this field as well.
//
// Encode with STBVOX_MAKE_LIGHTING(lighting,rot)--here
// Encode with STBVOX_MAKE_LIGHTING_EXT(lighting,rot)--here
// 'lighting' should still be 8 bits, as the macro will
// discard the bottom bits automatically. Similarly, if
// using STBVOX_CONFIG_VHEIGHT_IN_LIGHTING, encode with
// STBVOX_MAKE_LIGHTING(lighting,vheight).
// STBVOX_MAKE_LIGHTING_EXT(lighting,vheight).
//
// (Rationale: rotation needs to be independent of blocktype,
// but is only 2 bits so doesn't want to be its own array.
@ -1038,7 +1040,7 @@ enum
// with the block. You can either use the "geometry" mesh variable (it's
// a parameter to STBVOX_MAKE_GEOMETRY) or you can store it in the
// "lighting" mesh variable if you defined STBVOX_CONFIG_VHEIGHT_IN_LIGHTING,
// using STBVOX_MAKE_LIGHTING(lighting,vheight).
// using STBVOX_MAKE_LIGHTING_EXT(lighting,vheight).
//
// Note that if you start with a 2D height map and generate vheight data from
// it, you don't necessarily store only one value per (x,y) coordinate,
@ -1102,11 +1104,8 @@ enum
#define STBVOX_MAKE_TEXLERP_VERT3(e,n,w,s,u) ((e)+(n)*8+(w)*64+(s)*512+(u)*4096)
#define STBVOX_MAKE_TEXLERP_FACE3(e,n,w,s,u,d) ((e)+(n)*8+(w)*64+(s)*512+(u)*4096+(d)*16384)
#if defined(STBVOX_CONFIG_ROTATION_IN_LIGHTING) || defined(STBVOX_CONFIG_VHEIGHT_IN_LIGHTING)
#define STBVOX_MAKE_LIGHTING(lighting, rot) (((lighting)&~3)+(rot))
#else
#define STBVOX_MAKE_LIGHTING_EXT(lighting, rot) (((lighting)&~3)+(rot))
#define STBVOX_MAKE_LIGHTING(lighting) (lighting)
#endif
#ifndef STBVOX_MAX_MESHES
#define STBVOX_MAX_MESHES 2 // opaque & transparent

8
tests/caveview/cave_mesher.c
View File

@ -406,12 +406,12 @@ void convert_fastchunk_inplace(fast_chunk *fc)
bright = (lt[o]&15)*12 + 15 + (sky[o]&15)*16;
if (bright > 255) bright = 255;
if (bright < 32) bright = 32;
outb[o*2+0] = STBVOX_MAKE_LIGHTING((unsigned char) bright, (rot[o*2+0]&3));
outb[o*2+0] = STBVOX_MAKE_LIGHTING_EXT((unsigned char) bright, (rot[o*2+0]&3));
bright = (lt[o]>>4)*12 + 15 + (sky[o]>>4)*16;
if (bright > 255) bright = 255;
if (bright < 32) bright = 32;
outb[o*2+1] = STBVOX_MAKE_LIGHTING((unsigned char) bright, (rot[o*2+1]&3));
outb[o*2+1] = STBVOX_MAKE_LIGHTING_EXT((unsigned char) bright, (rot[o*2+1]&3));
}
} else {
// @TODO: if blocktype is in between others, this breaks; need to find which side has two pointers, and use that
@ -426,12 +426,12 @@ void convert_fastchunk_inplace(fast_chunk *fc)
bright = (lt[o]&15)*12 + 15 + (sky[o]&15)*16;
if (bright > 255) bright = 255;
if (bright < 32) bright = 32;
rot[o*2+0] = STBVOX_MAKE_LIGHTING((unsigned char) bright, (rot[o*2+0]&3));
rot[o*2+0] = STBVOX_MAKE_LIGHTING_EXT((unsigned char) bright, (rot[o*2+0]&3));
bright = (lt[o]>>4)*12 + 15 + (sky[o]>>4)*16;
if (bright > 255) bright = 255;
if (bright < 32) bright = 32;
rot[o*2+1] = STBVOX_MAKE_LIGHTING((unsigned char) bright, (rot[o*2+1]&3));
rot[o*2+1] = STBVOX_MAKE_LIGHTING_EXT((unsigned char) bright, (rot[o*2+1]&3));
}
memcpy(outb, rot, 4096);

1
tests/caveview/caveview.h
View File

@ -3,7 +3,6 @@
#include "stb.h"
#define STBVOX_CONFIG_ROTATION_IN_LIGHTING
#include "stb_voxel_render.h"
typedef struct