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[client] Support the wait field on lights

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This was the missing piece for a lot of my lighting woes: it scales the
distance when calculating falloff.
This commit is contained in:
Bill Currie 2022-05-23 20:22:05 +09:00
parent 26330d0fcb
commit 3900e59f1a
1 changed files with 36 additions and 7 deletions
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43
libs/client/cl_light.c
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@ -143,6 +143,7 @@ parse_light (light_t *light, int *style, const plitem_t *entity,
{
const char *str;
int model = 0;
float atten = 1;
/*Sys_Printf ("{\n");
for (int i = PL_D_NumKeys (entity); i-- > 0; ) {
@ -201,26 +202,54 @@ parse_light (light_t *light, int *style, const plitem_t *entity,
VectorScale (light->color, 1/255.0, light->color);
}
vec4f_t attenuation = { 1, 0, 0, 0 }; // inverse square
if ((str = PL_String (PL_ObjectForKey (entity, "wait")))) {
atten = atof (str);
if (atten <= 0) {
atten = 1;
}
}
vec4f_t attenuation = { // inverse square
1, 0, 0,
0,
};
switch (model) {
case LM_LINEAR:
attenuation = (vec4f_t) { 0, 0, 1, 1 / fabsf (light->color[3]) };
attenuation = (vec4f_t) {
0, 0, 1,
atten / fabsf (light->color[3]),
};
break;
case LM_INVERSE:
attenuation = (vec4f_t) { 0, 1.0 / 128, 0, 0 };
attenuation = (vec4f_t) {
0, atten / 128, 0,
0,
};
break;
case LM_INVERSE2:
attenuation = (vec4f_t) { 1.0 / 16384, 0, 0, 0 };
attenuation = (vec4f_t) {
atten * atten / 16384, 0, 0,
0,
};
break;
case LM_INFINITE:
attenuation = (vec4f_t) { 0, 0, 1, 0 };
attenuation = (vec4f_t) {
0, 0, 1,
0,
};
break;
case LM_AMBIENT:
attenuation = (vec4f_t) { 0, 0, 1, 0 };
attenuation = (vec4f_t) {
0, 0, 1,
0,
};
light->direction = (vec4f_t) { 0, 0, 0, 1 };
break;
case LM_INVERSE3:
attenuation = (vec4f_t) { 1.0 / 16384, 2.0 / 128, 1, 0 };
attenuation = (vec4f_t) {
atten * atten / 16384, 2 * atten / 128, 1,
0,
};
break;
}
light->attenuation = attenuation;