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ConvertColor wip

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This commit is contained in:
Misha
2023-06-26 13:24:11 +03:00
parent b0288803a8
commit 7dd3469ca3
5 changed files with 78 additions and 19 deletions
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60
LEGO1/legoutil.cpp
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@@ -1,7 +1,63 @@
#include "legoutil.h"
// OFFSET: LEGO1 0x1003eae0
void ConvertColor(float r, float g, float b, float* out_r, float* out_g, float* out_b)
void ConvertColor(float h, float s, float v, float *r_out, float *b_out, float *g_out)
{
// todo
double calc; // st7
if (s <= 0.5)
calc = (v + 1.0) * s;
else
calc = (1.0 - v) * s + v;
if (calc < 0.0)
{
*g_out = 0.0;
*b_out = 0.0;
*r_out = 0.0;
return;
}
double v11 = s * 2.0 - calc;
int hue_index = h * 6.0;
double v9 = (calc - v11) / calc * (hue_index - hue_index) * calc;
double v12 = v11 + v9;
double v13 = calc - v9;
switch (hue_index)
{
case 0:
*r_out = calc;
*b_out = v12;
*g_out = v11;
break;
case 1:
*r_out = v13;
*b_out = calc;
*g_out = v11;
break;
case 2:
*r_out = v11;
*b_out = calc;
*g_out = v12;
break;
case 3:
*r_out = v11;
*b_out = v13;
*g_out = calc;
break;
case 4:
*r_out = v12;
*b_out = v11;
*g_out = calc;
break;
case 5:
*r_out = calc;
*b_out = v11;
*g_out = v13;
break;
case 6:
*r_out = calc;
*b_out = v11;
*g_out = v13;
break;
default:
return;
}
}