cvr-props/Assets/test/quine.shader

Shader "CrispyPin/Quine" {
SubShader { Pass {
CGPROGRAM
	#pragma vertex vert
	#pragma fragment frag
	#include "UnityCG.cginc"
	#define ROWS 99
	#define COLS ROWS*2

	struct appdata {
		float4 vertex : POSITION;
		float2 uv : TEXCOORD0;
		UNITY_VERTEX_INPUT_INSTANCE_ID
	};
	struct v2f {
		float2 uv : TEXCOORD0;
		float4 vertex : SV_POSITION;
		UNITY_VERTEX_OUTPUT_STEREO
	};

	v2f vert (appdata v) {
		v2f o;
		UNITY_SETUP_INSTANCE_ID(v);
		UNITY_INITIALIZE_OUTPUT(v2f, o);
		UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
		o.vertex = UnityObjectToClipPos(v.vertex);
		o.uv = v.uv;
		return o;
	}

	float4 frag (v2f i) : SV_Target {
		// write as 'const uint text[] = {?};' before export
		const uint text[] = {0x33484144,0x45520002,0x23524953,0x50593049,0x4e0f3155,0x494e4502,0x005b5f33,0x55423348,0x41444552,0x005b0030,0x41535300,0x5b5f2327,0x30322f27,0x32212d5f,0x60035052,0x41474d41,0x00564552,0x54455800,0x56455254,0x5f600350,0x5241474d,0x41004652,0x41474d45,0x4e540046,0x5241475f,0x6003494e,0x434c5544,0x45000235,0x4e495459,0x23270e43,0x47494e43,0x025f6003,0x44454649,0x4e450032,0x2f373300,0x19195f60,0x03444546,0x494e4500,0x232f2c33,0x00322f37,0x330a125f,0x5f605354,0x52554354,0x00415050,0x44415441,0x005b5f60,0x60464c4f,0x41541400,0x56455254,0x4558001a,0x00302f33,0x2934292f,0x2e1b5f60,0x60464c4f,0x41541200,0x5556001a,0x00342538,0x232f2f32,0x24101b5f,0x6060352e,0x2934393f,0x36253234,0x25383f29,0x2e303534,0x3f292e33,0x34212e23,0x253f2924,0x5f605d1b,0x5f605354,0x52554354,0x00561246,0x005b5f60,0x60464c4f,0x41541200,0x5556001a,0x00342538,0x232f2f32,0x24101b5f,0x6060464c,0x4f415414,0x00564552,0x54455800,0x1a003336,0x3f302f33,0x2934292f,0x2e1b5f60,0x60352e29,0x34393f36,0x25323425,0x383f2f35,0x34303534,0x3f333425,0x32252f5f,0x605d1b5f,0x5f605612,0x46005645,0x52540008,0x41505044,0x41544100,0x5609005b,0x5f606056,0x1246004f,0x1b5f6060,0x352e2934,0x393f3325,0x3435303f,0x292e3334,0x212e2325,0x3f292408,0x56091b5f,0x6060352e,0x2934393f,0x292e2934,0x29212c29,0x3a253f2f,0x35343035,0x34085612,0x460c004f,0x091b5f60,0x60352e29,0x34393f29,0x2e293429,0x212c293a,0x253f3625,0x32342538,0x3f2f3534,0x3035343f,0x33342532,0x252f084f,0x091b5f60,0x604f0e56,0x45525445,0x58001d00,0x354e4954,0x592f424a,0x45435434,0x4f234c49,0x50304f53,0x08560e56,0x45525445,0x58091b5f,0x60604f0e,0x5556001d,0x00560e55,0x561b5f60,0x60524554,0x55524e00,0x4f1b5f60,0x5d5f5f60,0x464c4f41,0x54140046,0x52414700,0x08561246,0x00490900,0x1a003336,0x3f344152,0x47455400,0x5b5f6060,0x0f0f0057,0x52495445,0x00415300,0x07434f4e,0x53540055,0x494e5400,0x54455854,0x3b3d001d,0x005b1f5d,0x1b070042,0x45464f52,0x45004558,0x504f5254,0x5f606043,0x4f4e5354,0x0055494e,0x54005445,0x58543b3d,0x001d005b,0x1f5d1b5f,0x6060434f,0x4e535400,0x55494e54,0x00544558,0x543f4c45,0x4e001d00,0x11131017,0x1b5f6060,0x434f4e53,0x54005549,0x4e540042,0x4c4f423f,0x53544152,0x54001d00,0x1710181b,0x5f606043,0x4f4e5354,0x0055494e,0x5400464f,0x4e543b19,0x173d3b14,0x3d001d00,0x5b5b100c,0x100c100c,0x105d0c5b,0x100c1410,0x12161519,0x1315120c,0x11101110,0x15171112,0x18180c16,0x1210145d,0x0c5b100c,0x100c1610,0x13191719,0x1717160c,0x16171110,0x1818165d,0x0c5b100c,0x19111413,0x10161611,0x140c1911,0x14131016,0x1611140c,0x15145d0c,0x5b141014,0x12121610,0x14180c11,0x16111619,0x19151113,0x140c1111,0x12141218,0x16101418,0x0c141014,0x12141210,0x11195d0c,0x5b100c12,0x10111714,0x15121419,0x0c111113,0x10151713,0x1814180c,0x105d0c5b,0x100c1815,0x18191913,0x1511180c,0x19101718,0x13121819,0x110c1712,0x12125d0c,0x5b100c10,0x0c111010,0x16161312,0x19160c17,0x18191511,0x165d0c5b,0x100c1210,0x12111119,0x1211160c,0x12101211,0x11161110,0x180c1112,0x1311125d,0x0c5b100c,0x18101814,0x15181215,0x120c1810,0x18141614,0x1413120c,0x13101916,0x5d0c5b10,0x0c111011,0x13131117,0x1613120c,0x16171010,0x1218170c,0x105d0c5b,0x100c1410,0x14121216,0x1014180c,0x11151719,0x1113140c,0x105d0c5b,0x12101113,0x12161519,0x120c1115,0x17191013,0x120c100c,0x105d0c5b,0x100c100c,0x1112170c,0x105d0c5b,0x100c1611,0x16180c10,0x0c105d0c,0x5b100c12,0x10111712,0x10151717,0x0c111018,0x10101415,0x1519120c,0x105d0c5b,0x100c1116,0x16171414,0x16131010,0x0c111616,0x17141519,0x1914170c,0x17121212,0x5d0c5b10,0x0c141014,0x12131213,0x11180c15,0x10141819,0x15151112,0x0c161117,0x125d0c5b,0x100c1110,0x10181815,0x1317150c,0x11161113,0x17161416,0x12100c11,0x15191711,0x5d0c5b10,0x0c111611,0x16191219,0x1519180c,0x11161116,0x19111916,0x14180c11,0x15191711,0x5d0c5b10,0x0c181018,0x14161415,0x10140c11,0x10111011,0x18151018,0x170c1112,0x1314145d,0x0c5b100c,0x11161116,0x19121915,0x19180c15,0x10151414,0x1418100c,0x13121511,0x155d0c5b,0x100c1116,0x16171415,0x17181514,0x0c151015,0x14141418,0x130c1711,0x17145d0c,0x5b100c12,0x10121111,0x16111018,0x0c111611,0x16191116,0x1510140c,0x13121611,0x115d0c5b,0x100c1116,0x16171415,0x17181514,0x0c111616,0x17141418,0x1411190c,0x11151917,0x115d0c5b,0x100c1116,0x
		const uint text_len = 1307;
		const uint blob_start = 708;
		const uint font[97][4] = {{0,0,0,0},{0,402659352,1010571288,6204},{0,0,603979776,6710886},{0,914306614,914306614,54},{404226048,1616995134,1124286048,404242019},{0,201745249,1130573848,0},{0,858993518,907832891,7222},{0,0,100663296,789516},{0,202119216,202116108,12312},{0,808458252,808464432,3096},{0,1013317632,6700287,0},{0,404226048,1579134,0},{201326592,1579032,0,0},{0,0,127,0},{0,6168,0,0},{0,201720577,1080045592,0},{0,1667446300,1667459947,7222},{0,404232318,504895512,6172},{0,100885375,1613764620,15971},{0,1616929598,1616919648,15971},{0,808464504,1010185087,12344},{0,1616929598,50544480,32515},{0,1667457854,50544483,7174},{0,202116108,1616916504,32611},{0,1667457854,1667448419,15971},{0,1616916510,1667464800,15971},{0,1579008,404226048,0},{0,1579020,404226048,0},{0,202911840,806882310,96},{0,2113929216,8257536,0},{0,806882310,202911840,6},{0,402659352,1664096280,15971},{0,2067465022,1667464059,62},{0,1667457891,912483199,2076},{0,1717986879,1717976678,16230},{0,54748732,1124270851,15462},{0,1717974559,1717986918,7990},{0,105277055,1175854614,32614},{0,101058063,1175854614,32614},{0,1667458652,1124270971,15462},{0,1667457891,1667465059,25443},{0,404232252,404232216,15384},{0,858993438,808464432,30768},{0,912680551,1714822686,26470},{0,105277055,101058054,3846},{0,1667457891,2139056995,25463},{0,1667457891,1870625651,25447},{0,1667457854,1667457891,15971},{0,101058063,1717976582,16230},{812646400,1667988286,1667457891,15971},{0,1717986919,1717976630,16230},{0,1617126206,1661344816,15971},{0,404232252,1511528472,32382},{0,1667457854,1667457891,25443},{0,1664490504,1667457891,25443},{0,1803515702,1667459947,25443},{0,1043751779,910040092,25443},{0,404232252,1717976088,26214},{0,105079679,1630541836,32611},/* read if cute */{0,202116156,202116108,15372},{0,946888768,50794012,1},{0,808464444,808464432,15408},{0,0,0,136066659},{16711680,0,0,0},{0,0,0,202119168},{0,858993518,1978430,0},{0,1717986878,102643302,1798},{0,50553662,4088579,0},{0,858993518,809252403,14384},{0,50553662,4088703,0},{0,101058063,637931270,7222},{808656384,858993470,7222067,0},{0,1717986919,104230502,1798},{0,404232252,1841176,6168},{1717976064,1616928864,7364704,24672},{0,506881639,107361822,1798},{0,404232252,404232216,7192},{0,1802201955,3637099,0},{0,1717986918,3892838,0},{0,1667457854,4088675,0},{101060352,1717986878,3892838,0},{808482816,858993470,7222067,0},{0,101058063,3894886,0},{0,472933182,4088582,0},{0,202140728,205458444,2060},{0,858993518,3355443,0},{0,1717976088,6710886,0},{0,1802207030,6513515,0},{0,471610979,6501916,0},{1613766400,1667457918,6513507,0},{0,201745279,8336152,0},{0,404232304,404229656,28696},{0,404232216,404226072,6168},{0,404232206,404254744,3608},{0,0,0,28219},{2131100672,1617192575,1616928864,96},{1073741824,2136492096,1078483071,64}};

		float px = i.uv.x * COLS;
		float py = i.uv.y * ROWS;
		uint charx = px;
		uint chary = py;
		uint char_index = (charx + (ROWS - 1 - chary) * COLS);
		uint char;
		float3 color = 0.8;
		if (char_index >= blob_start && char_index < (blob_start + text_len * 11)) {
			uint blob_index = char_index - blob_start;
			uint number_index = blob_index / 11;
			uint digit_bit_offset = blob_index % 11;
			if (digit_bit_offset == 0) {
				char = 16; // 0
				color = float3(1, 0.3, 0.5);
			} else if (digit_bit_offset == 1) {
				char = 88; // x
				color = float3(1, 0.3, 0.5);
			} else if (digit_bit_offset == 10) {
				char = 12; // ,
			} else {
				uint number = text[number_index];
				uint nibble_bit_offset = (digit_bit_offset - 2) & 7;
				uint nibble = (number >> ((7 - nibble_bit_offset) * 4)) & 15;
				const uint hex_chars[16] = {16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 65, 66, 67, 68, 69, 70};
				char = hex_chars[nibble];
				color = float3(0.2, 0.85, 1);
			}
		} else {
			if (char_index > blob_start) char_index -= text_len * 11 - 1;
			uint text_index = char_index >> 2;
			char = text[text_index];
			uint byte_index = (char_index & 3);
			char >>= (3 - byte_index) << 3;
			if (text_index >= text_len) { char = 0; }
		}

		char &= 0xff;
		uint tx = (px - charx) * 8;
		uint ty = (py - chary) * 16;

		uint quarter = ty / 4;
		uint bit_offset = tx + ((ty & 3) << 3);
		uint pixel = (font[char][quarter] >> bit_offset) & 1;
		if (!pixel) { color = ((charx + chary) & 1) * .03 + .03; }
		return float4(color, 1);
	}
ENDCG
}}} // 99x198 chars, 19602 bytes, see https://git.crispypin.cc/CrispyPin/cvr-props/src/branch/main/Assets/test/quine.shader