mirror of https://github.com/nothings/stb.git
various fixes
Sean Barrett
parent
0f8e471f7b
commit
28630fb253
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@ -396,6 +396,11 @@ enum
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#define STBVOX_MAX_MESH_SLOTS 3 // one vertex & two faces, or two vertex and one face
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typedef struct
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{
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unsigned char r,g,b;
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} stbvox_rgb;
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struct stbvox_input_description
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{
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unsigned char lighting_at_vertices; // default is lighting values at block center
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@ -422,6 +427,8 @@ struct stbvox_input_description
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unsigned char *color2, *color2_facemask;// additional override colors with face bitmask
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unsigned char *color3, *color3_facemask;// additional override colors with face bitmask
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stbvox_rgb *rgb; // MODE 20 only
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// indexed by tex1, used to determine tex2 if not otherwise specified
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unsigned char *tex2_for_tex1; // 256
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@ -541,7 +548,8 @@ struct stbvox_mesh_maker
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// z extents 255 255 128 64? 64? 64 64 32 64 128 255 128 64 128
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// not sure why I only wrote down the above "result data" and didn't preserve
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// the vertex formats, but here I've tried to reconstruct the designs:
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// the vertex formats, but here I've tried to reconstruct the designs...
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// mode # 3 is wrong, one byte too large
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// Mode: 0 1 2 3 4 5 6 10 11 12 20 21 22 23
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// =============================================================================================================
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@ -575,6 +583,10 @@ struct stbvox_mesh_maker
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#elif STBVOX_CONFIG_MODE==20
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#define STBVOX_ICONFIG_VERTEX_32
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#define STBVOX_ICONFIG_FACE1_1
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#define STBVOX_ICONFIG_UNTEXTURED
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#else
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#error "Selected value of STBVOX_CONFIG_MODE is not supported"
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#endif
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@ -694,7 +706,7 @@ enum
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static unsigned char stbvox_reverse_face[STBVF_count];
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static float stbvox_default_texgen[2][32][3];
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static float stbvox_default_normals[32][3];
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static float stbvox_default_texscale[128][2];
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static float stbvox_default_texscale[128][4];
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static unsigned char stbvox_default_palette_compact[64][3];
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static float stbvox_default_palette[64][4];
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@ -706,7 +718,7 @@ static void stbvox_build_default_palette(void)
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stbvox_default_palette[i][0] = stbvox_default_palette_compact[i][0] / 255.0f;
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stbvox_default_palette[i][1] = stbvox_default_palette_compact[i][1] / 255.0f;
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stbvox_default_palette[i][2] = stbvox_default_palette_compact[i][2] / 255.0f;
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stbvox_default_palette[i][3] = 0.0f;
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stbvox_default_palette[i][3] = 1.0f;
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}
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}
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@ -841,7 +853,7 @@ static char *stbvox_fragment_program =
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"uniform samplerBuffer texgen;\n"
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#else
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"uniform vec4 color_table[64];\n"
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"uniform vec2 texscale[64];\n" // instead of 128, to avoid running out of uniforms
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"uniform vec4 texscale[64];\n" // instead of 128, to avoid running out of uniforms
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"uniform vec3 texgen[64];\n"
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#endif
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#endif
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@ -866,24 +878,29 @@ static char *stbvox_fragment_program =
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" uint tex2_id = facedata.y;\n"
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" uint texprojid = facedata.w & 31u;\n"
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" uint color_id = facedata.z;\n"
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// @TODO: could use a separate lookup table keyed on tex2 to determine this; maybe another field of texscale?
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" bool texblend_mode = ((facedata.w & 128u) != 0u);\n"
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#ifndef STBVOX_CONFIG_PREFER_TEXBUFFER
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// load from uniforms / texture buffers
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" vec3 texgen_s = texgen[texprojid];\n"
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" vec3 texgen_t = texgen[texprojid+32u];\n"
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" float tex1_scale = texscale[tex1_id & 63u].x;\n"
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" float tex2_scale = texscale[tex2_id & 63u].y;\n"
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" vec4 color = color_table[color_id & 63u];\n"
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#ifndef STBVOX_CONFIG_DISABLE_TEX2
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" vec4 tex2_props = texscale[tex2_id & 63u];\n"
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#endif
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#else
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" vec3 texgen_s = texelFetch(texgen, int(texprojid)).xyz;\n"
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" vec3 texgen_t = texelFetch(texgen, int(texprojid+32u)).xyz;\n"
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" float tex1_scale = texelFetch(texscale, int(tex1_id & 127u)).x;\n"
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#ifndef STBVOX_CONFIG_DISABLE_TEX2
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" float tex2_scale = texelFetch(texscale, int(tex2_id & 127u)).y;\n"
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#endif
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" vec4 color = texelFetch(color_table, int(color_id & 63u));\n"
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#ifndef STBVOX_CONFIG_DISABLE_TEX2
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" vec4 tex2_props = texelFetch(texscale, int(tex1_id & 127u));\n"
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#endif
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#endif
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#ifndef STBVOX_CONFIG_DISABLE_TEX2
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" float tex2_scale = tex2_props.y;\n"
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" bool texblend_mode = tex2_props.z != 0.0;\n"
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#endif
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" vec2 texcoord;\n"
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" vec3 texturespace_pos = voxelspace_pos + transform[2].xyz;\n"
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@ -911,13 +928,14 @@ static char *stbvox_fragment_program =
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#endif
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#endif
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" bool emissive = (int(color.w) & 1) != 0;\n"
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" bool emissive = (color.a > 1.0);\n"
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" color.a = min(color.a, 1.0);\n"
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// recolor textures
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" if ((color_id & 64u) != 0u) tex1.xyz *= color.xyz;\n"
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" if ((color_id & 64u) != 0u) tex1.rgba *= color.rgba;\n"
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" fragment_alpha = tex1.a;\n"
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#ifndef STBVOX_CONFIG_DISABLE_TEX2
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" if ((color_id & 128u) != 0u) tex2.xyz *= color.xyz;\n"
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" if ((color_id & 128u) != 0u) tex2.rgba *= color.rgba;\n"
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#ifdef STBVOX_CONFIG_PREMULTIPLIED_ALPHA
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" tex2.rgba *= texlerp;\n"
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@ -926,7 +944,7 @@ static char *stbvox_fragment_program =
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#endif
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" if (texblend_mode)\n"
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" albedo = tex2.xyz * rlerp(tex2.a, 2.0*tex1.xyz, vec3(1.0,1.0,1.0));\n"
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" albedo = tex1.xyz * rlerp(tex2.a, 2.0*tex2.xyz, vec3(1.0,1.0,1.0));\n"
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" else {\n"
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#ifdef STBVOX_CONFIG_PREMULTIPLIED_ALPHA
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" albedo = (1.0-tex2.a)*tex1.xyz + tex2.xyz;\n"
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@ -942,7 +960,7 @@ static char *stbvox_fragment_program =
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#else // UNTEXTURED
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" vec4 color;"
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" color.xyz = vec3(facedata.xyz) / 255.0;\n"
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" bool emissive = (facedata.w & 128) != 0;\n"
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" bool emissive = false;\n"
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" albedo = color.xyz;\n"
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" fragment_alpha = 1.0;\n"
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#endif
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@ -1014,6 +1032,7 @@ static char *stbvox_fragment_program =
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};
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// still requires full alpha lookups, including tex2 if texblend is enabled
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static char *stbvox_fragment_program_alpha_only =
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{
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STBVOX_SHADER_VERSION
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@ -1034,7 +1053,7 @@ static char *stbvox_fragment_program_alpha_only =
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"uniform samplerBuffer texscale;\n"
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"uniform samplerBuffer texgen;\n"
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#else
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"uniform vec2 texscale[64];\n" // instead of 128, to avoid running out of uniforms
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"uniform vec4 texscale[64];\n" // instead of 128, to avoid running out of uniforms
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"uniform vec3 texgen[64];\n"
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#endif
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#endif
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@ -1051,20 +1070,30 @@ static char *stbvox_fragment_program_alpha_only =
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" uint tex1_id = facedata.x;\n"
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" uint tex2_id = facedata.y;\n"
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" uint texprojid = facedata.w & 31u;\n"
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" bool texblend_mode = ((facedata.w & 128u) != 0u);\n"
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" uint color_id = facedata.z;\n"
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#ifndef STBVOX_CONFIG_PREFER_TEXBUFFER
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// load from uniforms / texture buffers
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" vec3 texgen_s = texgen[texprojid];\n"
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" vec3 texgen_t = texgen[texprojid+32u];\n"
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" float tex1_scale = texscale[tex1_id & 63u].x;\n"
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" float tex2_scale = texscale[tex2_id & 63u].y;\n"
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" vec4 color = color_table[color_id & 63u];\n"
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" vec4 tex2_props = texscale[tex2_id & 63u];\n"
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#else
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" vec3 texgen_s = texelFetch(texgen, int(texprojid)).xyz;\n"
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" vec3 texgen_t = texelFetch(texgen, int(texprojid+32u)).xyz;\n"
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" float tex1_scale = texelFetch(texscale, int(tex1_id & 127u)).x;\n"
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" float tex2_scale = texelFetch(texscale, int(tex2_id & 127u)).y;\n"
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" vec4 color = texelFetch(color_table, int(color_id & 63u));\n"
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" vec4 tex2_props = texelFetch(texscale, int(tex2_id & 127u));\n"
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#endif
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#ifndef STBVOX_CONFIG_DISABLE_TEX2
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" float tex2_scale = tex2_props.y;\n"
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" bool texblend_mode = tex2_props.z &((facedata.w & 128u) != 0u);\n"
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#endif
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" color.a = min(color.a, 1.0);\n"
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" vec2 texcoord;\n"
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" vec3 texturespace_pos = voxelspace_pos + transform[2].xyz;\n"
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" texcoord.s = dot(texturespace_pos, texgen_s);\n"
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@ -1080,20 +1109,26 @@ static char *stbvox_fragment_program_alpha_only =
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" vec4 tex1 = texture(tex_array[0], vec3(texcoord_1, float(tex1_id)));\n"
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#endif
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#ifdef STBVOX_CONFIG_TEX2_EDGE_CLAMP
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" texcoord_2 = texcoord_2 - floor(texcoord_2);\n"
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" vec4 tex2 = textureGrad(tex_array[0], vec3(texcoord_2, float(tex2_id)), dFdx(tex2_scale*texcoord), dFdy(tex2_scale*texcoord));\n"
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#else
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" vec4 tex2 = texture(tex_array[1], vec3(texcoord_2, float(tex2_id)));\n"
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" if ((color_id & 64u) != 0u) tex1.a *= color.a;\n"
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" fragment_alpha = tex1.a;\n"
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#ifndef STBVOX_CONFIG_DISABLE_TEX2
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" if (!texblend_mode) {\n"
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#ifdef STBVOX_CONFIG_TEX2_EDGE_CLAMP
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" texcoord_2 = texcoord_2 - floor(texcoord_2);\n"
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" vec4 tex2 = textureGrad(tex_array[0], vec3(texcoord_2, float(tex2_id)), dFdx(tex2_scale*texcoord), dFdy(tex2_scale*texcoord));\n"
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#else
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" vec4 tex2 = texture(tex_array[1], vec3(texcoord_2, float(tex2_id)));\n"
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#endif
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" tex2.a *= texlerp;\n"
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" if ((color_id & 128u) != 0u) tex2.rgba *= color.a;\n"
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" fragment_alpha = tex1.a*(1-tex2.a)+tex2.a;\n"
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"}\n"
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"\n"
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#endif
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" tex2.a *= texlerp;\n"
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" if (!texblend_mode)\n"
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" fragment_alpha = tex1.a*(1-tex2.a)+tex2.a;\n"
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#else // UNTEXTURED
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" vec4 color;"
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" fragment_alpha = 1.0;\n"
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#endif
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@ -1130,7 +1165,7 @@ static stbvox_uniform_info stbvox_uniforms[] =
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{ STBVOX_UNIFORM_TYPE_sampler , 4, 1, "facearray" , 0 },
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{ STBVOX_UNIFORM_TYPE_vec3 , 12, 3, "transform" , stbvox_dummy_transform[0] },
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{ STBVOX_UNIFORM_TYPE_sampler , 4, 2, "tex_array" , 0 },
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{ STBVOX_UNIFORM_TYPE_vec2 , 8, 128, "texscale" , stbvox_default_texscale[0] , STBVOX_TEXBUF },
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{ STBVOX_UNIFORM_TYPE_vec4 , 16, 128, "texscale" , stbvox_default_texscale[0] , STBVOX_TEXBUF },
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{ STBVOX_UNIFORM_TYPE_vec4 , 16, 64, "color_table" , stbvox_default_palette[0] , STBVOX_TEXBUF },
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{ STBVOX_UNIFORM_TYPE_vec3 , 12, 32, "normal_table" , stbvox_default_normals[0] },
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{ STBVOX_UNIFORM_TYPE_vec3 , 12, 64, "texgen" , stbvox_default_texgen[0][0], STBVOX_TEXBUF },
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@ -1177,12 +1212,22 @@ static unsigned char stbvox_rotate_face[6][4] =
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stbvox_mesh_face stbvox_compute_mesh_face_value(stbvox_mesh_maker *mm, stbvox_rotate rot, int face, int v_off, int normal)
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{
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unsigned char color_face;
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stbvox_mesh_face face_data = { 0 };
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stbvox_block_type bt = mm->input.blocktype[v_off];
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unsigned char bt_face = STBVOX_ROTATE(face, rot.block);
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int facerot = rot.facerot;
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#ifdef STBVOX_ICONFIG_UNTEXTURED
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if (mm->input.rgb) {
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face_data.tex1 = mm->input.rgb[v_off].r;
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face_data.tex2 = mm->input.rgb[v_off].g;
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face_data.color = mm->input.rgb[v_off].b;
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face_data.face_info = (normal<<2);
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return face_data;
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}
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#else
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unsigned char color_face;
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if (mm->input.color)
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face_data.color = mm->input.color[v_off];
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@ -1261,6 +1306,7 @@ stbvox_mesh_face stbvox_compute_mesh_face_value(stbvox_mesh_maker *mm, stbvox_ro
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if (mm->input.color3 && (mm->input.color3_facemask[v_off] & (1 << color_face)))
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face_data.color = mm->input.color3[v_off];
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}
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#endif
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face_data.face_info = (normal<<2) + facerot;
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return face_data;
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@ -1393,23 +1439,19 @@ void stbvox_make_mesh_for_face(stbvox_mesh_maker *mm, stbvox_rotate rot, int fac
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// >> 2 because input is 8 bits, output is 6 bits
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}
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// @TODO: gather baked lighting where we have precomputed
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// shadow bits for each light and we gather them from neighbors
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// as above then do normal diffuse light computation--this
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// needs a variant shader which has 8-bit rgb as well, in
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// which case 'lighting' isn't needed so we have ~14 more
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// bits to store stuff per vertex
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//
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// Or alternatively note that gathering baked *lighting*
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// @TODO: note that gathering baked *lighting*
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// is different from gathering baked ao; baked ao can count
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// solid blocks as 0 ao, but baked lighting wants average
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// of non-blocked, not average & treat blocked as 0. And
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// of non-blocked--not take average & treat blocked as 0. And
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// we can't bake the right value into the solid blocks
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// because they can have different lighting values on
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// different sides.
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// different sides. So we need to actually gather and
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// then divide by 0..4 (which we can do with a table-driven
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// multiply, or have an 'if' for the 3 case)
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}
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} else {
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vertbase += stbvox_vertex_encode(0,0,0,63,0);
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*mv[0] = vertbase + face_coord[0] + p1[0];
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*mv[1] = vertbase + face_coord[1] + p1[1];
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*mv[2] = vertbase + face_coord[2] + p1[2];
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@ -1459,6 +1501,7 @@ static void stbvox_make_03_split_mesh_for_face(stbvox_mesh_maker *mm, stbvox_rot
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normal1 = stbvox_reverse_face[normal1];
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normal2 = stbvox_reverse_face[normal2];
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}
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v[0] = face_coord[1];
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v[1] = face_coord[2];
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v[2] = face_coord[3];
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@ -1869,6 +1912,7 @@ static void stbvox_make_mesh_for_block_with_geo(stbvox_mesh_maker *mm, stbvox_po
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cube[7] = stbvox_vertex_encode(0,0,ht[3],0,0);
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}
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if (!mm->input.vheight && mm->input.block_vheight) {
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// @TODO: support block vheight here, I've forgotten what needs to be done specially
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}
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// build vertex mesh
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@ -2259,6 +2303,7 @@ static float stbvox_default_texgen[2][32][3] =
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{ -1, 0,0 }, { 0, 0, 1 }, { 1, 0,0 }, { 0, 0,-1 },
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{ 0,-1,0 }, { 0, 0, 1 }, { 0, 1,0 }, { 0, 0,-1 },
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{ 1, 0,0 }, { 0, 0, 1 }, { -1, 0,0 }, { 0, 0,-1 },
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{ 1, 0,0 }, { 0, 1, 0 }, { -1, 0,0 }, { 0,-1, 0 },
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{ -1, 0,0 }, { 0,-1, 0 }, { 1, 0,0 }, { 0, 1, 0 },
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{ 1, 0,0 }, { 0, 1, 0 }, { -1, 0,0 }, { 0,-1, 0 },
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@ -2268,6 +2313,7 @@ static float stbvox_default_texgen[2][32][3] =
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{ 0, 0,-1 }, { -1, 0,0 }, { 0, 0, 1 }, { 1, 0,0 },
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{ 0, 0,-1 }, { 0,-1,0 }, { 0, 0, 1 }, { 0, 1,0 },
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{ 0, 0,-1 }, { 1, 0,0 }, { 0, 0, 1 }, { -1, 0,0 },
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{ 0,-1, 0 }, { 1, 0,0 }, { 0, 1, 0 }, { -1, 0,0 },
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{ 0, 1, 0 }, { -1, 0,0 }, { 0,-1, 0 }, { 1, 0,0 },
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{ 0,-1, 0 }, { 1, 0,0 }, { 0, 1, 0 }, { -1, 0,0 },
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@ -2317,16 +2363,24 @@ static float stbvox_default_normals[32][3] =
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{ 0,-STBVOX_RSQRT2, -STBVOX_RSQRT2 }, // south & down
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};
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static float stbvox_default_texscale[128][2] =
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static float stbvox_default_texscale[128][4] =
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{
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1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
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1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
|
||||
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
|
||||
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
|
||||
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
|
||||
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
|
||||
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
|
||||
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
|
||||
{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},
|
||||
{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},
|
||||
{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},
|
||||
{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},
|
||||
{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},
|
||||
{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},
|
||||
{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},
|
||||
{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},
|
||||
{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},
|
||||
{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},
|
||||
{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},
|
||||
{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},
|
||||
{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},
|
||||
{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},
|
||||
{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},
|
||||
{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},{1,1,0,0},
|
||||
};
|
||||
|
||||
static unsigned char stbvox_default_palette_compact[64][3] =
|
||||
|
|
@ -2702,7 +2756,7 @@ static stbvox_optimized_face_up_normal[4][4][4][4] =
|
|||
// nw se sw
|
||||
static stbvox_planar_face_up_normal[4][4][4] =
|
||||
{
|
||||
{ // sw,se,nw,ne
|
||||
{ // sw,se,nw,ne; ne = se+nw-sw
|
||||
{ STBVF_u , 0 , 0 , 0 }, // 0,0,0,0; 1,0,0,-1; 2,0,0,-2; 3,0,0,-3;
|
||||
{ STBVF_u , STBVF_u , 0 , 0 }, // 0,1,0,1; 1,1,0, 0; 2,1,0,-1; 3,1,0,-2;
|
||||
{ STBVF_wu , STBVF_nw_u, STBVF_nu , 0 }, // 0,2,0,2; 1,2,0, 1; 2,2,0, 0; 3,2,0,-1;
|
||||
|
|
@ -2711,7 +2765,7 @@ static stbvox_planar_face_up_normal[4][4][4] =
|
|||
{ STBVF_u , STBVF_u , 0 , 0 }, // 0,0,1,1; 1,0,1, 0; 2,0,1,-1; 3,0,1,-2;
|
||||
{ STBVF_sw_u, STBVF_u , STBVF_ne_u, 0 }, // 0,1,1,2; 1,1,1, 1; 2,1,1, 0; 3,1,1,-1;
|
||||
{ STBVF_sw_u, STBVF_u , STBVF_u , STBVF_ne_u }, // 0,2,1,3; 1,2,1, 2; 2,2,1, 1; 3,2,1, 0;
|
||||
{ 0 , STBVF_w , STBVF_nw_u, STBVF_nu }, // 0,3,1,4; 1,3,1, 3; 2,3,1, 2; 3,3,1, 1;
|
||||
{ 0 , STBVF_wu , STBVF_nw_u, STBVF_nu }, // 0,3,1,4; 1,3,1, 3; 2,3,1, 2; 3,3,1, 1;
|
||||
},{
|
||||
{ STBVF_su , STBVF_se_u, STBVF_eu , 0 }, // 0,0,2,2; 1,0,2, 1; 2,0,2, 0; 3,0,2,-1;
|
||||
{ STBVF_sw_u, STBVF_u , STBVF_u , STBVF_ne_u }, // 0,1,2,3; 1,1,2, 2; 2,1,2, 1; 3,1,2, 0;
|
||||
|
|
@ -2751,6 +2805,8 @@ static stbvox_face_up_normal_012[4][4][4] =
|
|||
{ STBVF_sw_u, STBVF_sw_u, STBVF_sw_u, STBVF_u , },
|
||||
}
|
||||
};
|
||||
// 013[3][3][1]
|
||||
// 023[3][1][1]
|
||||
|
||||
static stbvox_face_up_normal_013[4][4][4] =
|
||||
{
|
||||
|
|
|
|||
|
|
@ -36,9 +36,9 @@ extern void ods(char *fmt, ...);
|
|||
#define FAST_CHUNK
|
||||
#define IN_PLACE
|
||||
|
||||
#define SKIP_TERRAIN 0 // use to avoid building underground stuff
|
||||
// allows you to see what perf would be like if underground was efficiently culled,
|
||||
// or if you were making a game without underground
|
||||
#define SKIP_TERRAIN 0 // use to avoid building underground stuff
|
||||
// allows you to see what perf would be like if underground was efficiently culled,
|
||||
// or if you were making a game without underground
|
||||
|
||||
enum
|
||||
{
|
||||
|
|
|
|||
|
|
@ -188,6 +188,12 @@ GLint tablei[2];
|
|||
|
||||
float step=0;
|
||||
|
||||
#ifdef SHORTVIEW
|
||||
int view_dist_in_chunks = 50;
|
||||
#else
|
||||
int view_dist_in_chunks = 80;
|
||||
#endif
|
||||
|
||||
void setup_uniforms(float pos[3])
|
||||
{
|
||||
int i,j;
|
||||
|
|
@ -222,7 +228,7 @@ void setup_uniforms(float pos[3])
|
|||
|
||||
case STBVOX_UNIFORM_color_table:
|
||||
data = ui->default_value;
|
||||
((float *)data)[63*4+3] = 1.0f; // emissive
|
||||
((float *)data)[63*4+3] = 2.0f; // emissive
|
||||
break;
|
||||
|
||||
case STBVOX_UNIFORM_camera_pos:
|
||||
|
|
@ -260,7 +266,7 @@ void setup_uniforms(float pos[3])
|
|||
|
||||
// fog color
|
||||
table4[3][0] = 0.6f, table4[3][1] = 0.7f, table4[3][2] = 0.9f;
|
||||
table4[3][3] = 1.0f / 1320.0f;
|
||||
table4[3][3] = 1.0f / (view_dist_in_chunks * 16);
|
||||
table4[3][3] *= table4[3][3];
|
||||
|
||||
data = table4;
|
||||
|
|
@ -289,7 +295,7 @@ void make_texture_buffer_for_uniform(int uniform, int slot)
|
|||
uloc = stbgl_find_uniform(main_prog, ui->name);
|
||||
|
||||
if (uniform == STBVOX_UNIFORM_color_table)
|
||||
((float *)ui->default_value)[63*4+3] = 1.0f; // emissive
|
||||
((float *)ui->default_value)[63*4+3] = 2.0f; // emissive
|
||||
|
||||
glGenBuffersARB(1, &unibuf[uniform]);
|
||||
glBindBufferARB(GL_ARRAY_BUFFER_ARB, unibuf[uniform]);
|
||||
|
|
@ -706,12 +712,6 @@ static int is_box_in_frustum(float *bmin, float *bmax)
|
|||
return 1;
|
||||
}
|
||||
|
||||
#ifdef SHORTVIEW
|
||||
int view_dist_in_chunks = 50;
|
||||
#else
|
||||
int view_dist_in_chunks = 80;
|
||||
#endif
|
||||
|
||||
float compute_priority(int cx, int cy, float x, float y)
|
||||
{
|
||||
float distx, disty, dist2;
|
||||
|
|
|
|||
Loading…
Reference in New Issue