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various voxel/caveview improvements

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This commit is contained in:
Sean Barrett
2015-03-28 17:36:09 -07:00
parent 0669a6659a
commit 0f8e471f7b
3 changed files with 136 additions and 84 deletions
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45
tests/caveview/cave_mesher.c
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@ -21,8 +21,10 @@
#define STBVOX_CONFIG_PREFER_TEXBUFFER
//#define STBVOX_CONFIG_LIGHTING_SIMPLE
#define STBVOX_CONFIG_FOG_SMOOTHSTEP
//#define STBVOX_CONFIG_PREMULTIPLIED_ALPHA // use this even though it doesn't really work for alpha test without next #define
//#define STBVOX_CONFIG_UNPREMULTIPLY // slower, makes windows & fancy leaves look better
//#define STBVOX_CONFIG_PREMULTIPLIED_ALPHA // this doesn't work properly alpha test without next #define
//#define STBVOX_CONFIG_UNPREMULTIPLY // slower, fixes alpha test makes windows & fancy leaves look better
//#define STBVOX_CONFIG_TEX1_EDGE_CLAMP
#define STBVOX_CONFIG_DISABLE_TEX2
#define STBVOX_ROTATION_IN_LIGHTING
#define STB_VOXEL_RENDER_IMPLEMENTATION
@ -300,7 +302,6 @@ unsigned char minecraft_info[256][7] =
unsigned char minecraft_tex1_for_blocktype[256][6];
unsigned char effective_blocktype[256];
unsigned char effective_block_add[256];
unsigned char minecraft_color_for_blocktype[256][6];
unsigned char minecraft_geom_for_blocktype[256];
@ -703,26 +704,21 @@ unsigned char mc_rot[4] = { 1,3,2,0 };
// in lighting
void build_stair_rotations(int blocktype, unsigned char *map)
{
int i,j,k;
for (j=0; j < 2; ++j) {
int geom = j ? STBVOX_GEOM_ceil_slope_north_is_bottom : STBVOX_GEOM_floor_slope_north_is_top;
//int geom = STBVOX_GEOM_solid;
for (i=0; i < 4; ++i) {
if (i == 0 && j == 0) {
map[j*4+i+8] = map[j*4+i] = blocktype;
minecraft_geom_for_blocktype[blocktype] = (unsigned char) STBVOX_MAKE_GEOMETRY(geom, 0, 0);
} else {
map[j*4+i+8] = map[j*4+i] = next_blocktype;
int i;
for (k=0; k < 6; ++k) {
minecraft_color_for_blocktype[next_blocktype][k] = minecraft_color_for_blocktype[blocktype][k];
minecraft_tex1_for_blocktype [next_blocktype][k] = minecraft_tex1_for_blocktype [blocktype][k];
}
minecraft_geom_for_blocktype[next_blocktype] = (unsigned char) STBVOX_MAKE_GEOMETRY(geom, 0, 0);
--next_blocktype;
}
}
// use the existing block type for floor stairs; allocate a new type for ceil stairs
for (i=0; i < 6; ++i) {
minecraft_color_for_blocktype[next_blocktype][i] = minecraft_color_for_blocktype[blocktype][i];
minecraft_tex1_for_blocktype [next_blocktype][i] = minecraft_tex1_for_blocktype [blocktype][i];
}
minecraft_geom_for_blocktype[next_blocktype] = (unsigned char) STBVOX_MAKE_GEOMETRY(STBVOX_GEOM_ceil_slope_north_is_bottom, 0, 0);
minecraft_geom_for_blocktype[ blocktype] = (unsigned char) STBVOX_MAKE_GEOMETRY(STBVOX_GEOM_floor_slope_north_is_top, 0, 0);
for (i=0; i < 4; ++i) {
map[0+i+8] = map[0+i] = blocktype;
map[4+i+8] = map[4+i] = next_blocktype;
}
--next_blocktype;
}
void build_wool_variations(int bt, unsigned char *map)
@ -847,11 +843,4 @@ void mesh_init(void)
// set the remap flags for these so they write the rotation values
remap_in_place(54, 9);
remap_in_place(146, 10);
for (i=0; i < 256; ++i) {
if (remap[i])
effective_block_add[i] = 0;
else
effective_block_add[i] = effective_blocktype[i];
}
}