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engine: client: rewrite touch control text drawing with utflib and cl_font

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This commit is contained in:
Alibek Omarov
2025-03-12 07:17:55 +03:00
parent 232224f52d
commit 9ef7759e05
1 changed files with 40 additions and 50 deletions
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90
engine/client/in_touch.c
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@@ -18,6 +18,7 @@ GNU General Public License for more details.
#include "math.h"
#include "vgui_draw.h"
#include "mobility_int.h"
#include "utflib.h"
typedef enum
{
@@ -1298,73 +1299,62 @@ static void IN_TouchCheckCoords( float *x1, float *y1, float *x2, float *y2 )
}
}
static float Touch_DrawCharacter( float x, float y, int number, float size )
static void Touch_DrawText( float x1, float y1, float x2, float y2, const char *s, byte *color, float size )
{
float s1, s2, t1, t2, width, height;
int w, h;
wrect_t *prc;
float minx, maxy, maxx;
const float scale = TO_SCRN_X( size / 1024.0f );
const float backup_scale = cls.creditsFont.scale;
utfstate_t utfstate = { 0 };
rgba_t current_color;
if( !cls.creditsFont.valid )
return 0;
return;
number &= 255;
number = Con_UtfProcessChar( number );
x1 = TO_SCRN_X( x1 );
y1 = TO_SCRN_Y( y1 );
x2 = TO_SCRN_X( x2 );
y2 = TO_SCRN_Y( y2 );
if( !number )
return 0;
R_GetTextureParms( &w, &h, cls.creditsFont.hFontTexture );
prc = &cls.creditsFont.fontRc[number];
s1 = prc->left / (float)w;
t1 = prc->top / (float)h;
s2 = prc->right / (float)w;
t2 = prc->bottom / (float)h;
width = ( prc->right - prc->left ) / 1024.0f * size;
height = ( prc->bottom - prc->top ) / 1024.0f * size;
ref.dllFuncs.R_DrawStretchPic( TO_SCRN_X( x ), TO_SCRN_Y( y ), TO_SCRN_X( width ), TO_SCRN_X( height ),
s1, t1, s2, t2, cls.creditsFont.hFontTexture );
return width;
}
static float Touch_DrawText( float x1, float y1, float x2, float y2, const char *s, byte *color, float size )
{
float x = x1;
float maxy = y2;
float maxx;
float alpha = color[3] / 255.0f;
minx = x1;
maxy = y2;
if( x2 )
maxx = x2 - cls.creditsFont.charWidths['M'] / 1024.0f * size;
maxx = x2 - cls.creditsFont.charWidths['M'] * scale;
else
maxx = 1;
if( !cls.creditsFont.valid )
return GRID_X * 2;
Con_UtfProcessChar( 0 );
ref.dllFuncs.GL_SetRenderMode( kRenderTransAdd );
cls.creditsFont.scale = scale;
// text is additive and alpha does not work
ref.dllFuncs.Color4ub( color[0] * alpha, color[1] * alpha, color[2] * alpha, 255 );
ref.dllFuncs.GL_SetRenderMode( kRenderTransAdd );
VectorScale( color, color[3] / 255.0f, current_color );
current_color[3] = 255;
while( *s )
for( ; *s; s++ )
{
while( *s && ( *s != '\n' ) && ( *s != ';' ) && ( x1 < maxx ))
x1 += Touch_DrawCharacter( x1, y1, *s++, size );
y1 += cls.creditsFont.charHeight / 1024.f * size / Touch_AspectRatio();
int draw_len;
uint32_t uc = Q_DecodeUTF8( &utfstate, (byte)*s );
if( y1 >= maxy )
break;
if( !uc )
continue;
if( *s == '\n' || *s == ';' )
s++;
x1 = x;
if( uc == '\n' || uc == ';' || x1 >= maxx )
{
x1 = minx;
y1 += cls.creditsFont.charHeight * scale;
if( y1 >= maxy )
break;
continue;
}
// because we override font scale without changing charWidths, scale it ourselves
draw_len = CL_DrawCharacter( x1, y1, uc, current_color, &cls.creditsFont, FONT_DRAW_NORENDERMODE );
x1 += draw_len * scale;
}
return x1;
cls.creditsFont.scale = backup_scale;
}
static void Touch_DrawButtons( touchbuttonlist_t *list )