329 lines
8.6 KiB
C
329 lines
8.6 KiB
C
/*
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cl_view.c - player rendering positioning
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Copyright (C) 2009 Uncle Mike
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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*/
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#include "common.h"
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#include "client.h"
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#include "const.h"
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#include "entity_types.h"
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#include "gl_local.h"
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#include "vgui_draw.h"
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/*
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===============
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V_MergeOverviewRefdef
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merge refdef with overview settings
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===============
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*/
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void V_MergeOverviewRefdef( void )
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{
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ref_overview_t *ov = &clgame.overView;
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float aspect;
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float size_x, size_y;
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vec2_t mins, maxs;
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if( !gl_overview->integer ) return;
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// NOTE: Xash3D may use 16:9 or 16:10 aspects
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aspect = (float)glState.width / (float)glState.height;
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size_x = fabs( 8192.0f / ov->flZoom );
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size_y = fabs( 8192.0f / (ov->flZoom * aspect ));
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// compute rectangle
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ov->xLeft = -(size_x / 2);
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ov->xRight = (size_x / 2);
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ov->xTop = -(size_y / 2);
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ov->xBottom = (size_y / 2);
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if( gl_overview->integer == 1 )
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{
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Con_NPrintf( 0, " Overview: Zoom %.2f, Map Origin (%.2f, %.2f, %.2f), Z Min %.2f, Z Max %.2f, Rotated %i\n",
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ov->flZoom, ov->origin[0], ov->origin[1], ov->origin[2], ov->zNear, ov->zFar, ov->rotated );
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}
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VectorCopy( ov->origin, cl.refdef.vieworg );
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cl.refdef.vieworg[2] = ov->zFar + ov->zNear;
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Vector2Copy( cl.refdef.vieworg, mins );
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Vector2Copy( cl.refdef.vieworg, maxs );
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mins[!ov->rotated] += ov->xLeft;
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maxs[!ov->rotated] += ov->xRight;
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mins[ov->rotated] += ov->xTop;
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maxs[ov->rotated] += ov->xBottom;
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cl.refdef.viewangles[0] = 90.0f;
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cl.refdef.viewangles[1] = 90.0f;
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cl.refdef.viewangles[2] = (ov->rotated) ? (ov->flZoom < 0.0f) ? 180.0f : 0.0f : (ov->flZoom < 0.0f) ? -90.0f : 90.0f;
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Mod_SetOrthoBounds( mins, maxs );
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}
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/*
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===============
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V_CalcViewRect
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calc frame rectangle (Quake1 style)
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===============
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*/
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void V_CalcViewRect( void )
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{
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int size, sb_lines;
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if( scr_viewsize->integer >= 120 )
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sb_lines = 0; // no status bar at all
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else if( scr_viewsize->integer >= 110 )
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sb_lines = 24; // no inventory
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else sb_lines = 48;
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size = Q_min( scr_viewsize->integer, 100 );
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cl.refdef.viewport[2] = scr_width->integer * size / 100;
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cl.refdef.viewport[3] = scr_height->integer * size / 100;
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if( cl.refdef.viewport[3] > scr_height->integer - sb_lines )
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cl.refdef.viewport[3] = scr_height->integer - sb_lines;
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if( cl.refdef.viewport[3] > scr_height->integer )
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cl.refdef.viewport[3] = scr_height->integer;
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cl.refdef.viewport[0] = ( scr_width->integer - cl.refdef.viewport[2] ) / 2;
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cl.refdef.viewport[1] = ( scr_height->integer - sb_lines - cl.refdef.viewport[3] ) / 2;
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}
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/*
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===============
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V_SetupRefDef
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update refdef values each frame
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===============
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*/
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void V_SetupRefDef( void )
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{
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cl_entity_t *clent;
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// compute viewport rectangle
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V_CalcViewRect();
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clent = CL_GetLocalPlayer ();
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clgame.entities->curstate.scale = clgame.movevars.waveHeight;
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cl.refdef.movevars = &clgame.movevars;
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cl.refdef.health = cl.frame.client.health;
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cl.refdef.playernum = cl.playernum;
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cl.refdef.max_entities = clgame.maxEntities;
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cl.refdef.maxclients = cl.maxclients;
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cl.refdef.time = cl.time;
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cl.refdef.frametime = cl.time - cl.oldtime;
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cl.refdef.demoplayback = cls.demoplayback;
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cl.refdef.viewsize = scr_viewsize->integer;
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cl.refdef.onlyClientDraw = 0; // reset clientdraw
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cl.refdef.hardware = true; // always true
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cl.refdef.spectator = (clent->curstate.spectator != 0);
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cl.refdef.smoothing = cl.first_frame; // NOTE: currently this used to prevent ugly un-duck effect while level is changed
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cl.scr_fov = bound( 1.0f, cl.scr_fov, 179.0f );
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cl.refdef.nextView = 0;
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// calc FOV
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cl.refdef.fov_x = cl.scr_fov; // this is a final fov value
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cl.refdef.fov_y = V_CalcFov( &cl.refdef.fov_x, cl.refdef.viewport[2], cl.refdef.viewport[3] );
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// adjust FOV for widescreen
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if( glState.wideScreen && r_adjust_fov->integer )
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V_AdjustFov( &cl.refdef.fov_x, &cl.refdef.fov_y, cl.refdef.viewport[2], cl.refdef.viewport[3], false );
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if( CL_IsPredicted( ) && !cl.first_frame )
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{
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VectorCopy( cl.predicted.origin, cl.refdef.simorg );
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VectorCopy( cl.predicted.velocity, cl.refdef.simvel );
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VectorCopy( cl.predicted.viewofs, cl.refdef.viewheight );
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VectorCopy( cl.predicted.punchangle, cl.refdef.punchangle );
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cl.refdef.onground = ( cl.predicted.onground == -1 ) ? false : true;
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cl.refdef.waterlevel = cl.predicted.waterlevel;
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}
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else
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{
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VectorCopy( cl.frame.client.origin, cl.refdef.simorg );
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VectorCopy( cl.frame.client.view_ofs, cl.refdef.viewheight );
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VectorCopy( cl.frame.client.velocity, cl.refdef.simvel );
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VectorCopy( cl.frame.client.punchangle, cl.refdef.punchangle );
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cl.refdef.onground = (cl.frame.client.flags & FL_ONGROUND) ? 1 : 0;
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cl.refdef.waterlevel = cl.frame.client.waterlevel;
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}
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// setup the viewent variables
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if( cl_lw->value ) clgame.viewent.curstate.modelindex = cl.predicted.viewmodel;
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else clgame.viewent.curstate.modelindex = cl.frame.client.viewmodel;
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clgame.viewent.model = Mod_Handle( clgame.viewent.curstate.modelindex );
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clgame.viewent.curstate.number = cl.playernum + 1;
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clgame.viewent.curstate.entityType = ET_NORMAL;
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clgame.viewent.index = cl.playernum + 1;
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// calc refdef first so viewent can get an actual
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// player position, angles etc
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if( FBitSet( host.features, ENGINE_FIXED_FRAMERATE ))
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{
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clgame.dllFuncs.pfnCalcRefdef( &cl.refdef );
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V_MergeOverviewRefdef();
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R_ClearScene ();
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CL_AddEntities ();
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}
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}
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/*
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==================
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V_PreRender
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==================
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*/
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qboolean V_PreRender( void )
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{
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// too early
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if( !glw_state.initialized )
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return false;
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if( host.state == HOST_NOFOCUS )
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return false;
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if( host.state == HOST_SLEEP )
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return false;
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// if the screen is disabled (loading plaque is up)
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if( cls.disable_screen )
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{
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if(( host.realtime - cls.disable_screen ) > cl_timeout->value )
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{
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MsgDev( D_ERROR, "V_PreRender: loading plaque timed out\n" );
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cls.disable_screen = 0.0f;
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}
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return false;
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}
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R_BeginFrame( !cl.refdef.paused );
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return true;
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}
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//============================================================================
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/*
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==================
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V_RenderView
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==================
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*/
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void V_RenderView( void )
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{
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if( !cl.video_prepped || ( UI_IsVisible() && !cl.background ))
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return; // still loading
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if( !FBitSet( host.features, ENGINE_FIXED_FRAMERATE ))
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{
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if( cl.frame.valid && ( cl.force_refdef || !cl.refdef.paused ))
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{
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cl.force_refdef = false;
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R_ClearScene ();
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CL_AddEntities ();
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V_SetupRefDef ();
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}
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}
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R_Set2DMode( false );
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SCR_AddDirtyPoint( 0, 0 );
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SCR_AddDirtyPoint( scr_width->integer - 1, scr_height->integer - 1 );
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tr.framecount++; // g-cont. keep actual frame for all viewpasses
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if( !FBitSet( host.features, ENGINE_FIXED_FRAMERATE ))
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{
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do
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{
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clgame.dllFuncs.pfnCalcRefdef( &cl.refdef );
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V_MergeOverviewRefdef();
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R_RenderFrame( &cl.refdef, true );
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cl.refdef.onlyClientDraw = false;
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} while( cl.refdef.nextView );
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}
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else R_RenderFrame( &cl.refdef, true );
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// draw debug triangles on a server
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SV_DrawDebugTriangles ();
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}
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/*
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==================
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V_PostRender
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==================
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*/
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void V_PostRender( void )
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{
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static double oldtime;
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qboolean draw_2d = false;
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R_Set2DMode( true );
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if( cls.state == ca_active && cls.scrshot_action != scrshot_mapshot )
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{
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SCR_TileClear();
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CL_DrawHUD( CL_ACTIVE );
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VGui_Paint();
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}
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switch( cls.scrshot_action )
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{
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case scrshot_inactive:
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case scrshot_normal:
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case scrshot_snapshot:
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draw_2d = true;
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break;
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}
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if( draw_2d )
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{
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SCR_RSpeeds();
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SCR_NetSpeeds();
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SCR_DrawFPS();
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SCR_DrawNetGraph();
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SV_DrawOrthoTriangles();
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CL_DrawDemoRecording();
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CL_DrawHUD( CL_CHANGELEVEL );
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R_ShowTextures();
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Con_DrawConsole();
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UI_UpdateMenu( host.realtime );
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Con_DrawVersion();
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Con_DrawDebug(); // must be last
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if( !FBitSet( host.features, ENGINE_FIXED_FRAMERATE ))
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S_ExtraUpdate();
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}
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if( FBitSet( host.features, ENGINE_FIXED_FRAMERATE ))
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{
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// don't update sound too fast
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if(( host.realtime - oldtime ) >= HOST_FRAMETIME )
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{
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oldtime = host.realtime;
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CL_ExtraUpdate();
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}
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}
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SCR_MakeScreenShot();
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R_EndFrame();
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} |