diff options
Diffstat (limited to 'TaSTT.shader')
| -rw-r--r-- | TaSTT.shader | 139 |
1 files changed, 111 insertions, 28 deletions
diff --git a/TaSTT.shader b/TaSTT.shader index b722d63..272f08b 100644 --- a/TaSTT.shader +++ b/TaSTT.shader @@ -10,6 +10,11 @@ _Font_0xA000_0xBFFF ("Font 5 (unicode 0xA000 - 0xBFFFF)", 2D) = "white" {}
_Font_0xC000_0xDFFF ("Font 6 (unicode 0xC000 - 0xDFFFF)", 2D) = "white" {}
+ TaSTT_Backplate("TaSTT_Backplate", 2D) = "black" {}
+
+ TaSTT_Indicator_0("TaSTT_Indicator_0", float) = 0
+ TaSTT_Indicator_1("TaSTT_Indicator_1", float) = 0
+
// software "engineering" LULW
_Letter_Row00_Col00_Byte0("_Letter_Row00_Col00_Byte0", float) = 0
_Letter_Row00_Col01_Byte0("_Letter_Row00_Col01_Byte0", float) = 0
@@ -403,6 +408,15 @@ Texture2D _Font_0xA000_0xBFFF;
Texture2D _Font_0xC000_0xDFFF;
+ float TaSTT_Indicator_0;
+ static const fixed4 TaSTT_Indicator_0_Off_Color = fixed4(0.0, 1.0, 0.0, 2) * 0.7;
+ static const fixed4 TaSTT_Indicator_0_On_Color = fixed4(0.8, 0.2, 0.0, 2) * 0.9;
+ float TaSTT_Indicator_1;
+ static const fixed4 TaSTT_Indicator_1_Off_Color = fixed4(0.0, 1.0, 0.0, 2) * 0.7;
+ static const fixed4 TaSTT_Indicator_1_On_Color = fixed4(0.8, 0.2, 0.0, 2) * 0.9;
+
+ Texture2D TaSTT_Backplate;
+
float _Letter_Row00_Col00_Byte0;
float _Letter_Row00_Col01_Byte0;
float _Letter_Row00_Col02_Byte0;
@@ -764,14 +778,29 @@ return o;
}
- float2 AddMarginToUV(float2 uv, float x_frac, float y_frac)
+ float2 AddMarginToUV(float2 uv, float2 margin)
{
- float2 lo = float2(-x_frac / 2, -y_frac / 2);
- float2 hi = float2(1.0 + x_frac / 2, 1.0 + y_frac / 2);
+ float2 lo = float2(-margin.x / 2, -margin.y / 2);
+ float2 hi = float2(1.0 + margin.x / 2, 1.0 + margin.y / 2);
return clamp(lerp(lo, hi, uv), 0.0, 1.0);
}
+ bool InMargin(float2 uv, float2 margin)
+ {
+ return uv.x < margin.x / 2 ||
+ uv.x > 1 - margin.x / 2 ||
+ uv.y < margin.y / 2 ||
+ uv.y > 1 - margin.y / 2;
+ }
+
+ // dist = sqrt(dx^2 + dy^2) = sqrt(<dx,dy> * <dx,dy>)
+ bool InRadius2(float2 uv, float2 pos, float radius2)
+ {
+ float2 delta = uv - pos;
+ return dot(delta, delta) < radius2;
+ }
+
// Write the nth letter in the current cell and return the value of the
// pixel.
float2 GetLetter(float2 uv, int nth_letter)
@@ -1238,34 +1267,88 @@ uv.x = 1.0 - uv.x;
}
- float uv_x_margin = 0.03;
- float uv_y_margin = 0.03;
- uv = AddMarginToUV(uv, uv_x_margin, uv_y_margin);
+ float2 uv_margin = float2(0.03, 0.06);
+ if (InMargin(uv, uv_margin)) {
+ // Margin is uv_margin/2 wide/tall.
+ // We want a circle whose radius is ~80% of that.
+ float radius_factor = 0.95;
+ float radius = (uv_margin.x / 2) * radius_factor;
+ // We want this circle to be centered halfway through the margin
+ // vertically, and at 1.5x the margin width horizontally.
+ float2 indicator_center = float2(
+ uv_margin.x * 0.5 + radius,
+ uv_margin.y * 0.5 * 0.5
+ );
+ // Finally, translate it to the top of the board instead of the
+ // bottom.
+ indicator_center.y = 1.0 - indicator_center.y;
- int2 letter_bytes = (int2) floor(GetLetterParameter(uv));
- int letter = letter_bytes[0] | (letter_bytes[1] << 8);
+ if (InRadius2(uv, indicator_center, radius * radius)) {
+ if (floor(TaSTT_Indicator_0) == 0.0) {
+ return TaSTT_Indicator_0_Off_Color;
+ } else {
+ return TaSTT_Indicator_0_On_Color;
+ }
+ }
- uv = GetLetter(uv, letter);
+ // Next, draw the second indicator. Same size as before, just shifted
+ // over a little.
+ indicator_center.x += radius * 2.5;
+ if (InRadius2(uv, indicator_center, radius * radius)) {
+ if (floor(TaSTT_Indicator_1) == 0.0) {
+ return TaSTT_Indicator_1_Off_Color;
+ } else {
+ return TaSTT_Indicator_1_On_Color;
+ }
+ }
- int which_texture = (int) floor(letter / (64 * 128));
- [forcecase] switch (which_texture)
- {
- case 0:
- return _Font_0x0000_0x1FFF.Sample(sampler_linear_repeat, uv);
- case 1:
- return _Font_0x2000_0x3FFF.Sample(sampler_linear_repeat, uv);
- case 2:
- return _Font_0x4000_0x5FFF.Sample(sampler_linear_repeat, uv);
- case 3:
- return _Font_0x6000_0x7FFF.Sample(sampler_linear_repeat, uv);
- case 4:
- return _Font_0x8000_0x9FFF.Sample(sampler_linear_repeat, uv);
- case 5:
- return _Font_0xA000_0xBFFF.Sample(sampler_linear_repeat, uv);
- case 6:
- return _Font_0xC000_0xDFFF.Sample(sampler_linear_repeat, uv);
- default:
- return _Font_0x0000_0x1FFF.Sample(sampler_linear_repeat, uv);
+ return fixed4(1,1,1,1);
+ } else {
+ uv_margin *= 2;
+ uv = AddMarginToUV(uv, uv_margin);
+
+ int2 letter_bytes = (int2) floor(GetLetterParameter(uv));
+ int letter = letter_bytes[0] | (letter_bytes[1] << 8);
+
+ uv = GetLetter(uv, letter);
+
+ fixed4 background = TaSTT_Backplate.Sample(sampler_linear_repeat, uv);
+ fixed4 text;
+
+ int which_texture = (int) floor(letter / (64 * 128));
+ [forcecase] switch (which_texture)
+ {
+ case 0:
+ text = _Font_0x0000_0x1FFF.Sample(sampler_linear_repeat, uv);
+ break;
+ case 1:
+ text = _Font_0x2000_0x3FFF.Sample(sampler_linear_repeat, uv);
+ break;
+ case 2:
+ text = _Font_0x4000_0x5FFF.Sample(sampler_linear_repeat, uv);
+ break;
+ case 3:
+ text = _Font_0x6000_0x7FFF.Sample(sampler_linear_repeat, uv);
+ break;
+ case 4:
+ text = _Font_0x8000_0x9FFF.Sample(sampler_linear_repeat, uv);
+ break;
+ case 5:
+ text = _Font_0xA000_0xBFFF.Sample(sampler_linear_repeat, uv);
+ break;
+ case 6:
+ text = _Font_0xC000_0xDFFF.Sample(sampler_linear_repeat, uv);
+ break;
+ default:
+ text = _Font_0x0000_0x1FFF.Sample(sampler_linear_repeat, uv);
+ break;
+ }
+ fixed4 black = fixed4(0,0,0,0);
+ if (text.r == black.r && text.g == black.g && text.b == black.b && text.a == black.a) {
+ return background;
+ } else {
+ return text;
+ }
}
}
ENDCG
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