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treat gl_lightmode as an int_val, epsilon checks on brightness/contrast

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Forest Hale 2000-10-06 23:50:12 +00:00
parent 4e1ea06a0d
commit 903fc1583e
1 changed files with 11 additions and 10 deletions
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21
source/gl_screen.c
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@ -1076,14 +1076,13 @@ void SCR_UpdateScreen (void)
//
// LordHavoc: set lighthalf based on gl_lightmode cvar
if (lighthalf != (gl_lightmode->value != 0))
if (lighthalf != gl_lightmode->int_val)
{
lighthalf = gl_lightmode->value != 0;
if (lighthalf) {
lighthalf = gl_lightmode->int_val;
if (lighthalf)
lighthalf_v[0] = lighthalf_v[1] = lighthalf_v[2] = 128;
} else {
else
lighthalf_v[0] = lighthalf_v[1] = lighthalf_v[2] = 255;
}
R_ForceLightUpdate();
}
@ -1128,11 +1127,11 @@ void SCR_UpdateScreen (void)
f = brightness->value * 2;
else
f = brightness->value;
if (f > 1)
if (f >= 1.005) // epsilon
{
glBlendFunc (GL_DST_COLOR, GL_ONE);
glBegin (GL_QUADS);
while (f > 1)
while (f >= 1.005) // epsilon
{
if (f >= 2)
glColor3f (1, 1, 1);
@ -1149,10 +1148,11 @@ void SCR_UpdateScreen (void)
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
Cvar_SetValue (contrast, bound (0.1, contrast->value, 1));
if ((gl_polyblend->value && v_blend[3]) || contrast->value < 1)
if ((gl_polyblend->value && v_blend[3]) || contrast->value < 0.999) // epsilon
{
glBegin (GL_QUADS);
if (contrast->value < 1) {
if (contrast->value < 0.999) // epsilon
{
glColor4f (1, 1, 1, (1 - contrast->value));
glVertex2f (0,0);
glVertex2f (vid.width, 0);
@ -1160,7 +1160,8 @@ void SCR_UpdateScreen (void)
glVertex2f (0, vid.height);
}
if (gl_polyblend->value && v_blend[3]) {
if (gl_polyblend->value && v_blend[3])
{
glColor4fv (v_blend);
glVertex2f (0,0);
glVertex2f (vid.width, 0);