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Diffstat (limited to 'src/client/cl_scrn.c')
| -rw-r--r-- | src/client/cl_scrn.c | 524 |
1 files changed, 524 insertions, 0 deletions
diff --git a/src/client/cl_scrn.c b/src/client/cl_scrn.c new file mode 100644 index 0000000..21f4b93 --- /dev/null +++ b/src/client/cl_scrn.c @@ -0,0 +1,524 @@ +/* +=========================================================================== +Copyright (C) 1999-2005 Id Software, Inc. +Copyright (C) 2000-2006 Tim Angus + +This file is part of Tremulous. + +Tremulous is free software; you can redistribute it +and/or modify it under the terms of the GNU General Public License as +published by the Free Software Foundation; either version 2 of the License, +or (at your option) any later version. + +Tremulous is distributed in the hope that it will be +useful, but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with Tremulous; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +=========================================================================== +*/ +// cl_scrn.c -- master for refresh, status bar, console, chat, notify, etc + +#include "client.h" + +qboolean scr_initialized; // ready to draw + +cvar_t *cl_timegraph; +cvar_t *cl_debuggraph; +cvar_t *cl_graphheight; +cvar_t *cl_graphscale; +cvar_t *cl_graphshift; + +/* +================ +SCR_DrawNamedPic + +Coordinates are 640*480 virtual values +================= +*/ +void SCR_DrawNamedPic( float x, float y, float width, float height, const char *picname ) { + qhandle_t hShader; + + assert( width != 0 ); + + hShader = re.RegisterShader( picname ); + SCR_AdjustFrom640( &x, &y, &width, &height ); + re.DrawStretchPic( x, y, width, height, 0, 0, 1, 1, hShader ); +} + + +/* +================ +SCR_AdjustFrom640 + +Adjusted for resolution and screen aspect ratio +================ +*/ +void SCR_AdjustFrom640( float *x, float *y, float *w, float *h ) { + float xscale; + float yscale; + +#if 0 + // adjust for wide screens + if ( cls.glconfig.vidWidth * 480 > cls.glconfig.vidHeight * 640 ) { + *x += 0.5 * ( cls.glconfig.vidWidth - ( cls.glconfig.vidHeight * 640 / 480 ) ); + } +#endif + + // scale for screen sizes + xscale = cls.glconfig.vidWidth / 640.0; + yscale = cls.glconfig.vidHeight / 480.0; + if ( x ) { + *x *= xscale; + } + if ( y ) { + *y *= yscale; + } + if ( w ) { + *w *= xscale; + } + if ( h ) { + *h *= yscale; + } +} + +/* +================ +SCR_FillRect + +Coordinates are 640*480 virtual values +================= +*/ +void SCR_FillRect( float x, float y, float width, float height, const float *color ) { + re.SetColor( color ); + + SCR_AdjustFrom640( &x, &y, &width, &height ); + re.DrawStretchPic( x, y, width, height, 0, 0, 0, 0, cls.whiteShader ); + + re.SetColor( NULL ); +} + + +/* +================ +SCR_DrawPic + +Coordinates are 640*480 virtual values +================= +*/ +void SCR_DrawPic( float x, float y, float width, float height, qhandle_t hShader ) { + SCR_AdjustFrom640( &x, &y, &width, &height ); + re.DrawStretchPic( x, y, width, height, 0, 0, 1, 1, hShader ); +} + + + +/* +** SCR_DrawChar +** chars are drawn at 640*480 virtual screen size +*/ +static void SCR_DrawChar( int x, int y, float size, int ch ) { + int row, col; + float frow, fcol; + float ax, ay, aw, ah; + + ch &= 255; + + if ( ch == ' ' ) { + return; + } + + if ( y < -size ) { + return; + } + + ax = x; + ay = y; + aw = size; + ah = size; + SCR_AdjustFrom640( &ax, &ay, &aw, &ah ); + + row = ch>>4; + col = ch&15; + + frow = row*0.0625; + fcol = col*0.0625; + size = 0.0625; + + re.DrawStretchPic( ax, ay, aw, ah, + fcol, frow, + fcol + size, frow + size, + cls.charSetShader ); +} + +/* +** SCR_DrawSmallChar +** small chars are drawn at native screen resolution +*/ +void SCR_DrawSmallChar( int x, int y, int ch ) { + int row, col; + float frow, fcol; + float size; + + ch &= 255; + + if ( ch == ' ' ) { + return; + } + + if ( y < -SMALLCHAR_HEIGHT ) { + return; + } + + row = ch>>4; + col = ch&15; + + frow = row*0.0625; + fcol = col*0.0625; + size = 0.0625; + + re.DrawStretchPic( x, y, SMALLCHAR_WIDTH, SMALLCHAR_HEIGHT, + fcol, frow, + fcol + size, frow + size, + cls.charSetShader ); +} + + +/* +================== +SCR_DrawBigString[Color] + +Draws a multi-colored string with a drop shadow, optionally forcing +to a fixed color. + +Coordinates are at 640 by 480 virtual resolution +================== +*/ +void SCR_DrawStringExt( int x, int y, float size, const char *string, float *setColor, qboolean forceColor ) { + vec4_t color; + const char *s; + int xx; + + // draw the drop shadow + color[0] = color[1] = color[2] = 0; + color[3] = setColor[3]; + re.SetColor( color ); + s = string; + xx = x; + while ( *s ) { + if ( Q_IsColorString( s ) ) { + s += 2; + continue; + } + SCR_DrawChar( xx+2, y+2, size, *s ); + xx += size; + s++; + } + + + // draw the colored text + s = string; + xx = x; + re.SetColor( setColor ); + while ( *s ) { + if ( Q_IsColorString( s ) ) { + if ( !forceColor ) { + Com_Memcpy( color, g_color_table[ColorIndex(*(s+1))], sizeof( color ) ); + color[3] = setColor[3]; + re.SetColor( color ); + } + s += 2; + continue; + } + SCR_DrawChar( xx, y, size, *s ); + xx += size; + s++; + } + re.SetColor( NULL ); +} + + +void SCR_DrawBigString( int x, int y, const char *s, float alpha ) { + float color[4]; + + color[0] = color[1] = color[2] = 1.0; + color[3] = alpha; + SCR_DrawStringExt( x, y, BIGCHAR_WIDTH, s, color, qfalse ); +} + +void SCR_DrawBigStringColor( int x, int y, const char *s, vec4_t color ) { + SCR_DrawStringExt( x, y, BIGCHAR_WIDTH, s, color, qtrue ); +} + + +/* +================== +SCR_DrawSmallString[Color] + +Draws a multi-colored string with a drop shadow, optionally forcing +to a fixed color. + +Coordinates are at 640 by 480 virtual resolution +================== +*/ +void SCR_DrawSmallStringExt( int x, int y, const char *string, float *setColor, qboolean forceColor ) { + vec4_t color; + const char *s; + int xx; + + // draw the colored text + s = string; + xx = x; + re.SetColor( setColor ); + while ( *s ) { + if ( Q_IsColorString( s ) ) { + if ( !forceColor ) { + Com_Memcpy( color, g_color_table[ColorIndex(*(s+1))], sizeof( color ) ); + color[3] = setColor[3]; + re.SetColor( color ); + } + s += 2; + continue; + } + SCR_DrawSmallChar( xx, y, *s ); + xx += SMALLCHAR_WIDTH; + s++; + } + re.SetColor( NULL ); +} + + + +/* +** SCR_Strlen -- skips color escape codes +*/ +static int SCR_Strlen( const char *str ) { + const char *s = str; + int count = 0; + + while ( *s ) { + if ( Q_IsColorString( s ) ) { + s += 2; + } else { + count++; + s++; + } + } + + return count; +} + +/* +** SCR_GetBigStringWidth +*/ +int SCR_GetBigStringWidth( const char *str ) { + return SCR_Strlen( str ) * 16; +} + + +//=============================================================================== + +/* +=============================================================================== + +DEBUG GRAPH + +=============================================================================== +*/ + +typedef struct +{ + float value; + int color; +} graphsamp_t; + +static int current; +static graphsamp_t values[1024]; + +/* +============== +SCR_DebugGraph +============== +*/ +void SCR_DebugGraph (float value, int color) +{ + values[current&1023].value = value; + values[current&1023].color = color; + current++; +} + +/* +============== +SCR_DrawDebugGraph +============== +*/ +void SCR_DrawDebugGraph (void) +{ + int a, x, y, w, i, h; + float v; + int color; + + // + // draw the graph + // + w = cls.glconfig.vidWidth; + x = 0; + y = cls.glconfig.vidHeight; + re.SetColor( g_color_table[0] ); + re.DrawStretchPic(x, y - cl_graphheight->integer, + w, cl_graphheight->integer, 0, 0, 0, 0, cls.whiteShader ); + re.SetColor( NULL ); + + for (a=0 ; a<w ; a++) + { + i = (current-1-a+1024) & 1023; + v = values[i].value; + color = values[i].color; + v = v * cl_graphscale->integer + cl_graphshift->integer; + + if (v < 0) + v += cl_graphheight->integer * (1+(int)(-v / cl_graphheight->integer)); + h = (int)v % cl_graphheight->integer; + re.DrawStretchPic( x+w-1-a, y - h, 1, h, 0, 0, 0, 0, cls.whiteShader ); + } +} + +//============================================================================= + +/* +================== +SCR_Init +================== +*/ +void SCR_Init( void ) { + cl_timegraph = Cvar_Get ("timegraph", "0", CVAR_CHEAT); + cl_debuggraph = Cvar_Get ("debuggraph", "0", CVAR_CHEAT); + cl_graphheight = Cvar_Get ("graphheight", "32", CVAR_CHEAT); + cl_graphscale = Cvar_Get ("graphscale", "1", CVAR_CHEAT); + cl_graphshift = Cvar_Get ("graphshift", "0", CVAR_CHEAT); + + scr_initialized = qtrue; +} + + +//======================================================= + +/* +================== +SCR_DrawScreenField + +This will be called twice if rendering in stereo mode +================== +*/ +void SCR_DrawScreenField( stereoFrame_t stereoFrame ) { + re.BeginFrame( stereoFrame ); + + // wide aspect ratio screens need to have the sides cleared + // unless they are displaying game renderings + if ( cls.state != CA_ACTIVE && cls.state != CA_CINEMATIC ) { + if ( cls.glconfig.vidWidth * 480 > cls.glconfig.vidHeight * 640 ) { + re.SetColor( g_color_table[0] ); + re.DrawStretchPic( 0, 0, cls.glconfig.vidWidth, cls.glconfig.vidHeight, 0, 0, 0, 0, cls.whiteShader ); + re.SetColor( NULL ); + } + } + + if ( !uivm ) { + Com_DPrintf("draw screen without UI loaded\n"); + return; + } + + // if the menu is going to cover the entire screen, we + // don't need to render anything under it + if ( !VM_Call( uivm, UI_IS_FULLSCREEN )) { + switch( cls.state ) { + default: + Com_Error( ERR_FATAL, "SCR_DrawScreenField: bad cls.state" ); + break; + case CA_CINEMATIC: + SCR_DrawCinematic(); + break; + case CA_DISCONNECTED: + // force menu up + S_StopAllSounds(); + VM_Call( uivm, UI_SET_ACTIVE_MENU, UIMENU_MAIN ); + break; + case CA_CONNECTING: + case CA_CHALLENGING: + case CA_CONNECTED: + // connecting clients will only show the connection dialog + // refresh to update the time + VM_Call( uivm, UI_REFRESH, cls.realtime ); + VM_Call( uivm, UI_DRAW_CONNECT_SCREEN, qfalse ); + break; + case CA_LOADING: + case CA_PRIMED: + // draw the game information screen and loading progress + CL_CGameRendering( stereoFrame ); + + // also draw the connection information, so it doesn't + // flash away too briefly on local or lan games + // refresh to update the time + VM_Call( uivm, UI_REFRESH, cls.realtime ); + VM_Call( uivm, UI_DRAW_CONNECT_SCREEN, qtrue ); + break; + case CA_ACTIVE: + CL_CGameRendering( stereoFrame ); + break; + } + } + + // the menu draws next + if ( cls.keyCatchers & KEYCATCH_UI && uivm ) { + VM_Call( uivm, UI_REFRESH, cls.realtime ); + } + + // console draws next + Con_DrawConsole (); + + // debug graph can be drawn on top of anything + if ( cl_debuggraph->integer || cl_timegraph->integer || cl_debugMove->integer ) { + SCR_DrawDebugGraph (); + } +} + +/* +================== +SCR_UpdateScreen + +This is called every frame, and can also be called explicitly to flush +text to the screen. +================== +*/ +void SCR_UpdateScreen( void ) { + static int recursive; + + if ( !scr_initialized ) { + return; // not initialized yet + } + + if ( ++recursive > 2 ) { + Com_Error( ERR_FATAL, "SCR_UpdateScreen: recursively called" ); + } + recursive = 1; + + // if running in stereo, we need to draw the frame twice + if ( cls.glconfig.stereoEnabled ) { + SCR_DrawScreenField( STEREO_LEFT ); + SCR_DrawScreenField( STEREO_RIGHT ); + } else { + SCR_DrawScreenField( STEREO_CENTER ); + } + + if ( com_speeds->integer ) { + re.EndFrame( &time_frontend, &time_backend ); + } else { + re.EndFrame( NULL, NULL ); + } + + recursive = 0; +} + |