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Diffstat (limited to 'src/parsec/vid_glob.cpp')
| -rw-r--r-- | src/parsec/vid_glob.cpp | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/src/parsec/vid_glob.cpp b/src/parsec/vid_glob.cpp new file mode 100644 index 0000000..921e761 --- /dev/null +++ b/src/parsec/vid_glob.cpp @@ -0,0 +1,200 @@ +/* + * 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 ) +{ + +} + + |