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/*
* PARSEC - Global Variables
*
* $Author: uberlinuxguy $ - $Date: 2004/09/15 12:25:36 $
*
* Orginally written by:
* Copyright (c) Markus Hadwiger <msh@parsec.org> 1996-2000
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
// C library
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
// compilation flags/debug support
#include "config.h"
#include "debug.h"
// general definitions
#include "general.h"
#include "objstruc.h"
// subsystem headers
#include "vid_defs.h"
// local module header
#include "vid_glob.h"
resinfo_s::resinfo_s()
: width(0), height(0)
{
// nothing
}
resinfo_s::resinfo_s(word w, word h)
: width(w), height(h)
{
// nothing
}
void resinfo_s::set(word w, word h)
{
width = w;
height = h;
}
bool resinfo_s::isValid() const
{
return width > 0 && height > 0;
}
bool resinfo_s::operator < (const resinfo_s & res) const
{
return width * height < res.width * res.height;
}
bool resinfo_s::operator == (const resinfo_s & res) const
{
return width == res.width && height == res.height;
}
bool resinfo_s::operator != (const resinfo_s & res) const
{
return !(*this == res);
}
// table of relevant graphics mode numbers (built at startup) -----------------
//
std::vector<resinfo_s> Resolutions;
int GetResolutionIndex(word xres, word yres)
{
std::vector<resinfo_s>::iterator it;
for (it = Resolutions.begin(); it != Resolutions.end(); ++it) {
if (it->width == xres && it->height == yres)
return std::distance(Resolutions.begin(), it); // return index of resolution in list
}
// resolution not found!
return -1;
}
// some constant init values --------------------------------------------------
//
#define NEAR_VIEW_PLANE FIXED_TO_GEOMV( 0x00013333 )
#define FAR_VIEW_PLANE FIXED_TO_GEOMV( 0x18000000 )
// maximum bit depth possible on current display, set when initializing vid sys
//
int MaxScreenBPP = 32;
// display mode game screen uses (also: currently active mode) ----------------
//
resinfo_s GameScreenRes = resinfo_s(800, 600);
int GameScreenBPP = MODE_COL_32BPP; // overwritten by base mode
int GameScreenWindowed = FALSE; // fullscreen by default
// info about currently loaded data -------------------------------------------
//
int CurDataColorBits = -1; // force initial conversion
int CurDataDetail = DETAIL_HIGH;
// options menu selections related to video -----------------------------------
//
resinfo_s Op_Resolution = resinfo_s(800, 600);
int Op_ColorDepth = COLMODE_TRUECOLOR;// overwritten by base mode
int Op_WindowedMode = FALSE; // windowed mode (!full-screen)
// init values for above options if the base mode should be overridden --------
//
resinfo_s InitOp_Resolution = resinfo_s();
int InitOp_ColorDepth = -1; // resolution and color depth
int InitOp_WindowedMode = -1; // -1 means don't override
int InitOp_FlipSynched = -1; // -1 means don't override
// current gamma correction value ---------------------------------------------
//
float GammaCorrection = 1.0f; // default gamma
// flag if text mode active ---------------------------------------------------
//
int TextModeActive = TRUE; // start in text mode
// flag if vertical sync is enabled -------------------------------------------
//
int FlipSynched = TRUE; // vertical synchronization
// display geometry -----------------------------------------------------------
//
int Screen_Width;
int Screen_Height;
int Screen_XOfs;
int Screen_YOfs;
int Screen_BytesPerPixel;
int D_Value; // must never be greater 65536
int Star_Siz;
int RObj_Siz;
// viewing frustum ------------------------------------------------------------
//
geomv_t Near_View_Plane = NEAR_VIEW_PLANE;
geomv_t Far_View_Plane = FAR_VIEW_PLANE;
geomv_t Criterion_X;
geomv_t Criterion_Y;
Plane3 View_Volume[ 6 ]; // view-space (plane defs)
CullPlane3 Cull_Volume[ 6 ]; // view-space (planes and reject/accept points)
Plane3 World_ViewVolume[ 6 ]; // world-space
CullPlane3 World_CullVolume[ 6 ]; // world-space
Plane3 Object_ViewVolume[ 6 ]; // object-space
CullPlane3 Object_CullVolume[ 6 ]; // object-space
// flags with specific info about the current video subsystem -----------------
//
int VidInfo_NumTextureUnits = 16;
int VidInfo_MaxTextureSize = 1024;
int VidInfo_MaxTextureLod = TEXLOD_1024;
int VidInfo_UseIterForDemoTexts = TRUE;
int* VidInfo_SupportedTexFormats = NULL;
// module registration function -----------------------------------------------
//
REGISTER_MODULE( VID_GLOB )
{
}
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