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engine: client: consolidate client and menu scissor functions

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This commit is contained in:
Alibek Omarov
2023-02-04 21:24:19 +03:00
parent ba6dd3c751
commit c0fa91bec9
3 changed files with 111 additions and 134 deletions
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64
engine/client/cl_gameui.c
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@@ -421,54 +421,6 @@ static void UI_ConvertGameInfo( GAMEINFO *out, gameinfo_t *in )
out->flags |= GFL_RENDER_PICBUTTON_TEXT;
}
static qboolean PIC_Scissor( float *x, float *y, float *width, float *height, float *u0, float *v0, float *u1, float *v1 )
{
float dudx, dvdy;
// clip sub rect to sprite
if(( width == 0 ) || ( height == 0 ))
return false;
if( *x + *width <= gameui.ds.scissor_x )
return false;
if( *x >= gameui.ds.scissor_x + gameui.ds.scissor_width )
return false;
if( *y + *height <= gameui.ds.scissor_y )
return false;
if( *y >= gameui.ds.scissor_y + gameui.ds.scissor_height )
return false;
dudx = (*u1 - *u0) / *width;
dvdy = (*v1 - *v0) / *height;
if( *x < gameui.ds.scissor_x )
{
*u0 += (gameui.ds.scissor_x - *x) * dudx;
*width -= gameui.ds.scissor_x - *x;
*x = gameui.ds.scissor_x;
}
if( *x + *width > gameui.ds.scissor_x + gameui.ds.scissor_width )
{
*u1 -= (*x + *width - (gameui.ds.scissor_x + gameui.ds.scissor_width)) * dudx;
*width = gameui.ds.scissor_x + gameui.ds.scissor_width - *x;
}
if( *y < gameui.ds.scissor_y )
{
*v0 += (gameui.ds.scissor_y - *y) * dvdy;
*height -= gameui.ds.scissor_y - *y;
*y = gameui.ds.scissor_y;
}
if( *y + *height > gameui.ds.scissor_y + gameui.ds.scissor_height )
{
*v1 -= (*y + *height - (gameui.ds.scissor_y + gameui.ds.scissor_height)) * dvdy;
*height = gameui.ds.scissor_y + gameui.ds.scissor_height - *y;
}
return true;
}
/*
====================
PIC_DrawGeneric
@@ -511,7 +463,7 @@ static void PIC_DrawGeneric( float x, float y, float width, float height, const
}
// pass scissor test if supposed
if( gameui.ds.scissor_test && !PIC_Scissor( &x, &y, &width, &height, &s1, &t1, &s2, &t2 ))
if( !CL_Scissor( &gameui.ds.scissor, &x, &y, &width, &height, &s1, &t1, &s2, &t2 ))
return;
ref.dllFuncs.R_DrawStretchPic( x, y, width, height, s1, t1, s2, t2, gameui.ds.gl_texturenum );
@@ -658,11 +610,7 @@ static void GAME_EXPORT pfnPIC_EnableScissor( int x, int y, int width, int heigh
width = bound( 0, width, gameui.globals->scrWidth - x );
height = bound( 0, height, gameui.globals->scrHeight - y );
gameui.ds.scissor_x = x;
gameui.ds.scissor_width = width;
gameui.ds.scissor_y = y;
gameui.ds.scissor_height = height;
gameui.ds.scissor_test = true;
CL_EnableScissor( &gameui.ds.scissor, x, y, width, height );
}
/*
@@ -673,11 +621,7 @@ pfnPIC_DisableScissor
*/
static void GAME_EXPORT pfnPIC_DisableScissor( void )
{
gameui.ds.scissor_x = 0;
gameui.ds.scissor_width = 0;
gameui.ds.scissor_y = 0;
gameui.ds.scissor_height = 0;
gameui.ds.scissor_test = false;
CL_DisableScissor( &gameui.ds.scissor );
}
/*
@@ -765,7 +709,7 @@ static void GAME_EXPORT pfnDrawCharacter( int ix, int iy, int iwidth, int iheigh
t2 = t1 + size;
// pass scissor test if supposed
if( gameui.ds.scissor_test && !PIC_Scissor( &x, &y, &width, &height, &s1, &t1, &s2, &t2 ))
if( !CL_Scissor( &gameui.ds.scissor, &x, &y, &width, &height, &s1, &t1, &s2, &t2 ))
return;
ref.dllFuncs.GL_SetRenderMode( kRenderTransTexture );