96 lines
2 KiB
C++
96 lines
2 KiB
C++
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/***
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*
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* Copyright (c) 2000-2019, Vera Visions. All rights reserved.
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*
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****/
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#ifndef FADEOVERLAY
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#define FADEOVERLAY
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#endif
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float g_flFadeDuration;
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float g_flFadeHold;
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float g_flFadeMaxAlpha;
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float g_flFadeStyle;
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float g_flFadeAlpha;
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float g_flFadeTime;
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vector g_vecFadeColor;
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int g_iFadeActive;
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/*enum
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{
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DRAWFLAG_NORMAL,
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DRAWFLAG_ADDITIVE,
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DRAWFLAG_MODULATE, // FTE doesn't support this
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DRAWFLAG_2XMODULATE // FTE doesn't support this
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};*/
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enumflags
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{
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EVF_FADEDROM,
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EVF_MODULATE,
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EVF_ONLYUSER
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};
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void Fade_Init ( void )
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{
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shaderforname( "fade_modulate","{\n{\nmap $whiteimage\nrgbGen vertex\nblendFunc GL_DST_COLOR GL_ONE_MINUS_SRC_ALPHA\nalphaGen vertex\n}\n}\n" );
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}
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void Fade_Update ( float x, float y, float w, float h )
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{
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if ( g_iFadeActive == FALSE ) {
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return;
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}
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if ( g_flFadeStyle & EVF_FADEDROM ) {
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if ( g_flFadeTime > g_flFadeHold ) {
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g_flFadeAlpha -= ( frametime * ( 1.0f / g_flFadeDuration ) ) * g_flFadeMaxAlpha;
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}
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} else {
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if ( g_flFadeTime < g_flFadeDuration ) {
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g_flFadeAlpha += ( frametime * ( 1.0f / g_flFadeDuration ) ) * g_flFadeMaxAlpha;
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} else {
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g_flFadeAlpha -= ( frametime * ( 1.0f / g_flFadeHold ) ) * g_flFadeMaxAlpha;
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}
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}
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if ( g_flFadeAlpha > 1.0f ) {
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g_flFadeAlpha = 1.0f;
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} else if ( g_flFadeAlpha < 0.0f ) {
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g_flFadeAlpha = 0.0f;
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}
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if ( g_flFadeAlpha <= 0 ) {
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g_iFadeActive = FALSE;
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return;
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}
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if ( g_flFadeStyle & EVF_MODULATE ) {
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drawpic( [x, y], "fade_modulate", [w, h], g_vecFadeColor, g_flFadeAlpha, 0 );
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} else {
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drawfill( [x, y], [w, h], g_vecFadeColor, g_flFadeAlpha, 0 );
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}
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g_flFadeTime += frametime;
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}
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void Fade_Parse ( void )
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{
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g_vecFadeColor[0] = readbyte() / 255;
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g_vecFadeColor[1] = readbyte() / 255;
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g_vecFadeColor[2] = readbyte() / 255;
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g_flFadeMaxAlpha = readbyte() / 255;
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g_flFadeDuration = readfloat();
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g_flFadeHold = readfloat();
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g_flFadeStyle = readbyte();
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g_flFadeTime = 0.0f;
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if ( g_flFadeStyle & EVF_FADEDROM ) {
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g_flFadeAlpha = 1.0f;
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} else {
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g_flFadeAlpha = 0.0f;
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}
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g_iFadeActive = TRUE;
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}
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