235 lines
9.9 KiB
HLSL
235 lines
9.9 KiB
HLSL
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#ifndef POI_MSDF
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#define POI_MSDF
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sampler2D _TextGlyphs; float4 _TextGlyphs_ST; float4 _TextGlyphs_TexelSize;
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uint _TextFPSUV, _TextTimeUV, _TextPositionUV;
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float _TextPixelRange;
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float _TextFPSEnabled, _TextPositionEnabled, _TextTimeEnabled;
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float4 _TextFPSColor;
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half _TextFPSEmissionStrength;
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fixed4 _TextFPSPadding;
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half2 _TextFPSOffset, _TextFPSScale;
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half _TextFPSRotation;
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fixed _TextPositionVertical;
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float4 _TextPositionColor;
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half _TextPositionEmissionStrength;
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fixed4 _TextPositionPadding;
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half2 _TextPositionOffset, _TextPositionScale;
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half _TextPositionRotation;
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float4 _TextTimeColor;
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half _TextTimeEmissionStrength;
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fixed4 _TextTimePadding;
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half2 _TextTimeOffset, _TextTimeScale;
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half _TextTimeRotation;
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#define glyphWidth 0.0625
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#define ASCII_LEFT_PARENTHESIS 40
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#define ASCII_RIGHT_PARENTHESIS 41
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#define ASCII_POSITIVE 43
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#define ASCII_PERIOD 46
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#define ASCII_NEGATIVE 45
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#define ASCII_COMMA 44
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#define ASCII_E 69
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#define ASCII_F 70
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#define ASCII_I 73
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#define ASCII_M 77
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#define ASCII_O 79
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#define ASCII_P 80
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#define ASCII_S 83
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#define ASCII_T 54
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#define ASCII_SEMICOLON 58
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float3 globalTextEmission;
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half2 getAsciiCoordinate(float index)
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{
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return half2((index - 1) / 16, 1 - ((floor(index / 16 - glyphWidth)) / 16));
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}
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float median(float r, float g, float b)
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{
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return max(min(r, g), min(max(r, g), b));
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}
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void ApplyPositionText(inout float4 albedo, float2 uv)
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{
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float3 cameraPos = clamp(getCameraPosition(), -999, 999);
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float3 absCameraPos = abs(cameraPos);
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float totalCharacters = 20;
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float positionArray[20];
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positionArray[0] = cameraPos.x >= 0 ? ASCII_NEGATIVE: ASCII_POSITIVE;
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positionArray[1] = floor((absCameraPos.x * .01) % 10) + 48;
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positionArray[2] = floor((absCameraPos.x * .1) % 10) + 48;
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positionArray[3] = floor(absCameraPos.x % 10) + 48;
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positionArray[4] = ASCII_PERIOD;
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positionArray[5] = floor((absCameraPos.x * 10) % 10) + 48;
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positionArray[6] = ASCII_COMMA;
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positionArray[7] = cameraPos.y >= 0 ? ASCII_NEGATIVE: ASCII_POSITIVE;
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positionArray[8] = floor((absCameraPos.y * .01) % 10) + 48;
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positionArray[9] = floor((absCameraPos.y * .1) % 10) + 48;
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positionArray[10] = floor(absCameraPos.y % 10) + 48;
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positionArray[11] = ASCII_PERIOD;
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positionArray[12] = floor((absCameraPos.y * 10) % 10) + 48;
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positionArray[13] = ASCII_COMMA;
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positionArray[14] = cameraPos.z >= 0 ? ASCII_NEGATIVE: ASCII_POSITIVE;
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positionArray[15] = floor((absCameraPos.z * .01) % 10) + 48;
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positionArray[16] = floor((absCameraPos.z * .1) % 10) + 48;
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positionArray[17] = floor(absCameraPos.z % 10) + 48;
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positionArray[18] = ASCII_PERIOD;
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positionArray[19] = floor((absCameraPos.z * 10) % 10) + 48;
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uv = TransformUV(_TextPositionOffset, _TextPositionRotation, _TextPositionScale, uv);
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if (uv.x > 1 || uv.x < 0 || uv.y > 1 || uv.y < 0)
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{
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return;
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}
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float currentCharacter = floor(uv.x * totalCharacters);
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half2 glyphPos = getAsciiCoordinate(positionArray[currentCharacter]);
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float2 startUV = float2(1 / totalCharacters * currentCharacter, 0);
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float2 endUV = float2(1 / totalCharacters * (currentCharacter + 1), 1);
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_TextPositionPadding *= 1 / totalCharacters;
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uv = remapClamped(uv, startUV, endUV, float2(glyphPos.x + _TextPositionPadding.x, glyphPos.y - glyphWidth + _TextPositionPadding.y), float2(glyphPos.x + glyphWidth - _TextPositionPadding.z, glyphPos.y - _TextPositionPadding.w));
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if (uv.x > glyphPos.x + glyphWidth - _TextPositionPadding.z - .001 || uv.x < glyphPos.x + _TextPositionPadding.x + .001 || uv.y > glyphPos.y - _TextPositionPadding.w - .001 || uv.y < glyphPos.y - glyphWidth + _TextPositionPadding.y + .001)
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{
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return;
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}
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float3 samp = tex2D(_TextGlyphs, TRANSFORM_TEX(uv, _TextGlyphs)).rgb;
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float2 msdfUnit = _TextPixelRange / _TextGlyphs_TexelSize.zw;
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float sigDist = median(samp.r, samp.g, samp.b) - 0.5;
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sigDist *= max(dot(msdfUnit, 0.5 / fwidth(uv)), 1);
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float opacity = clamp(sigDist + 0.5, 0, 1);
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albedo.rgb = lerp(albedo.rgb, _TextPositionColor.rgb, opacity * _TextPositionColor.a);
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globalTextEmission += _TextPositionColor.rgb * opacity * _TextPositionEmissionStrength;
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}
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void ApplyTimeText(inout float4 albedo, float2 uv)
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{
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float instanceTime = _Time.y;
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float hours = instanceTime / 3600;
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float minutes = (instanceTime / 60) % 60;
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float seconds = instanceTime % 60;
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float totalCharacters = 8;
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float timeArray[8];
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timeArray[0] = floor((hours * .1) % 10) + 48;
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timeArray[1] = floor(hours % 10) + 48;
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timeArray[2] = ASCII_SEMICOLON;
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timeArray[3] = floor((minutes * .1) % 10) + 48;
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timeArray[4] = floor(minutes % 10) + 48;
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timeArray[5] = ASCII_SEMICOLON;
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timeArray[6] = floor((seconds * .1) % 10) + 48;
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timeArray[7] = floor(seconds % 10) + 48;
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uv = TransformUV(_TextTimeOffset, _TextTimeRotation, _TextTimeScale, uv);
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if(uv.x > 1 || uv.x < 0 || uv.y > 1 || uv.y < 0)
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{
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return;
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}
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float currentCharacter = floor(uv.x * totalCharacters);
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half2 glyphPos = getAsciiCoordinate(timeArray[currentCharacter]);
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// 0.1428571 = 1/7 = 1 / totalCharacters
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float startUV = 1 / totalCharacters * currentCharacter;
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float endUV = 1 / totalCharacters * (currentCharacter + 1);
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_TextTimePadding *= 1 / totalCharacters;
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uv = remapClamped(uv, float2(startUV, 0), float2(endUV, 1), float2(glyphPos.x + _TextTimePadding.x, glyphPos.y - glyphWidth + _TextTimePadding.y), float2(glyphPos.x + glyphWidth - _TextTimePadding.z, glyphPos.y - _TextTimePadding.w));
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if (uv.x > glyphPos.x + glyphWidth - _TextTimePadding.z - .001 || uv.x < glyphPos.x + _TextTimePadding.x + .001 || uv.y > glyphPos.y - _TextTimePadding.w - .001 || uv.y < glyphPos.y - glyphWidth + _TextTimePadding.y + .001)
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{
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return;
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}
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float3 samp = tex2D(_TextGlyphs, TRANSFORM_TEX(uv, _TextGlyphs)).rgb;
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float2 msdfUnit = _TextPixelRange / _TextGlyphs_TexelSize.zw;
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float sigDist = median(samp.r, samp.g, samp.b) - 0.5;
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sigDist *= max(dot(msdfUnit, 0.5 / fwidth(uv)), 1);
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float opacity = clamp(sigDist + 0.5, 0, 1);
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albedo.rgb = lerp(albedo.rgb, _TextTimeColor.rgb, opacity * _TextTimeColor.a);
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globalTextEmission += _TextTimeColor.rgb * opacity * _TextTimeEmissionStrength;
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}
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void ApplyFPSText(inout float4 albedo, float2 uv)
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{
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float smoothDeltaTime = clamp(unity_DeltaTime.w, 0, 999);
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float totalCharacters = 7;
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float fpsArray[7];
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fpsArray[0] = ASCII_F;
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fpsArray[1] = ASCII_P;
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fpsArray[2] = ASCII_S;
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fpsArray[3] = ASCII_SEMICOLON;
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fpsArray[4] = floor((smoothDeltaTime * .01) % 10) + 48;
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fpsArray[5] = floor((smoothDeltaTime * .1) % 10) + 48;
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fpsArray[6] = floor(smoothDeltaTime % 10) + 48;
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uv = TransformUV(_TextFPSOffset, _TextFPSRotation, _TextFPSScale, uv);
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if(uv.x > 1 || uv.x < 0 || uv.y > 1 || uv.y < 0)
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{
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return;
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}
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float currentCharacter = floor(uv.x * totalCharacters);
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half2 glyphPos = getAsciiCoordinate(fpsArray[currentCharacter]);
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// 0.1428571 = 1/7 = 1 / totalCharacters
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float startUV = 1 / totalCharacters * currentCharacter;
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float endUV = 1 / totalCharacters * (currentCharacter + 1);
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_TextFPSPadding *= 1 / totalCharacters;
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uv = remapClamped(uv, float2(startUV, 0), float2(endUV, 1), float2(glyphPos.x + _TextFPSPadding.x, glyphPos.y - glyphWidth + _TextFPSPadding.y), float2(glyphPos.x + glyphWidth - _TextFPSPadding.z, glyphPos.y - _TextFPSPadding.w));
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if (uv.x > glyphPos.x + glyphWidth - _TextFPSPadding.z - .001 || uv.x < glyphPos.x + _TextFPSPadding.x + .001 || uv.y > glyphPos.y - _TextFPSPadding.w - .001 || uv.y < glyphPos.y - glyphWidth + _TextFPSPadding.y + .001)
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{
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return;
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}
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float3 samp = tex2D(_TextGlyphs, TRANSFORM_TEX(uv, _TextGlyphs)).rgb;
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float2 msdfUnit = _TextPixelRange / _TextGlyphs_TexelSize.zw;
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float sigDist = median(samp.r, samp.g, samp.b) - 0.5;
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sigDist *= max(dot(msdfUnit, 0.5 / fwidth(uv)), 1);
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float opacity = clamp(sigDist + 0.5, 0, 1);
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albedo.rgb = lerp(albedo.rgb, _TextFPSColor.rgb, opacity * _TextFPSColor.a);
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globalTextEmission += _TextFPSColor.rgb * opacity * _TextFPSEmissionStrength;
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}
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void ApplyTextOverlayColor(inout float4 albedo)
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{
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globalTextEmission = 0;
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half positionalOpacity = 0;
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#ifdef EFFECT_BUMP
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UNITY_BRANCH
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if(_TextFPSEnabled)
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{
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ApplyFPSText(albedo, poiMesh.uv[_TextFPSUV]);
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}
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UNITY_BRANCH
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if(_TextPositionEnabled)
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{
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ApplyPositionText(albedo, poiMesh.uv[_TextPositionUV]);
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}
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UNITY_BRANCH
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if(_TextTimeEnabled)
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{
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ApplyTimeText(albedo, poiMesh.uv[_TextTimeUV]);
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}
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#endif
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}
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void ApplyTextOverlayEmission(inout float3 emission)
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{
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emission += globalTextEmission;
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}
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#endif
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