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ReignEngine: Fix rim lighting for very small rim_exponent values

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kichikuou
2022-10-01 16:24:16 +09:00
parent 773cce03eb
commit fbf74db7a4
1 changed files with 5 additions and 0 deletions
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src/3d/model.c
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@@ -27,6 +27,7 @@
#include "3d_internal.h"
#include "reign.h"
#define FP16_MIN 6.103516e-5f
#define NR_WEIGHTS 4
struct vertex_common {
@@ -112,6 +113,10 @@ static bool init_material(struct material *material, const struct pol_material *
material->rim_color[0] = amt_m->fields[AMT_RIM_R];
material->rim_color[1] = amt_m->fields[AMT_RIM_G];
material->rim_color[2] = amt_m->fields[AMT_RIM_B];
// Very small rim_exponent value should not be used for rim
// lighting. (e.g. meizi.amt in TT3)
if (material->rim_exponent < FP16_MIN)
material->rim_exponent = 0.0f;
}
}