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r_main.cpp
1644 lines (1347 loc) · 47.6 KB
/
r_main.cpp
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/** @file r_main.cpp
*
* @authors Copyright © 2003-2013 Jaakko Keränen <jaakko.keranen@iki.fi>
* @authors Copyright © 2006-2013 Daniel Swanson <danij@dengine.net>
*
* @par License
* GPL: http://www.gnu.org/licenses/gpl.html
*
* <small>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., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA</small>
*/
#include <cmath>
#include <cstring>
#include "de_base.h"
#include "de_console.h"
#include "de_system.h"
#include "de_filesys.h"
#include "de_resource.h"
#include "de_network.h"
#include "de_render.h"
#include "de_graphics.h"
#include "de_audio.h"
#include "de_misc.h"
#include "de_ui.h"
#ifdef __CLIENT__
# include "edit_bias.h"
# include "api_render.h"
# include "render/r_main.h"
# include "render/vignette.h"
# include "render/vissprite.h"
# include <de/GLState>
#endif
#include "gl/svg.h"
#include "world/linesighttest.h"
#include "world/p_players.h"
#include "Contact"
#include "world/thinkers.h"
#include "BspLeaf"
#include "Surface"
using namespace de;
#ifdef LIBDENG_CAMERA_MOVEMENT_ANALYSIS
float devCameraMovementStartTime = 0; // sysTime
float devCameraMovementStartTimeRealSecs = 0;
#endif
D_CMD(ViewGrid);
int validCount = 1; // Increment every time a check is made.
int frameCount; // Just for profiling purposes.
int rendInfoTris = 0;
boolean firstFrameAfterLoad;
// Precalculated math tables.
fixed_t *fineCosine = &finesine[FINEANGLES / 4];
float frameTimePos; // 0...1: fractional part for sharp game tics.
int loadInStartupMode = false;
byte precacheSkins = true;
byte precacheMapMaterials = true;
byte precacheSprites = true;
byte texGammaLut[256];
fontid_t fontFixed, fontVariable[FONTSTYLE_COUNT];
static int resetNextViewer = true;
static viewdata_t viewDataOfConsole[DDMAXPLAYERS]; // Indexed by console number.
static byte showFrameTimePos = false;
static byte showViewAngleDeltas = false;
static byte showViewPosDeltas = false;
static int gridCols, gridRows;
static viewport_t viewportOfLocalPlayer[DDMAXPLAYERS];
#ifdef __CLIENT__
static int rendCameraSmooth = true; // Smoothed by default.
static viewport_t *currentViewport;
boolean loInited;
static coord_t *luminousDist;
static byte *luminousClipped;
static uint *luminousOrder;
#endif
int psp3d;
float pspLightLevelMultiplier = 1;
float pspOffset[2];
int levelFullBright;
int weaponOffsetScaleY = 1000;
/*
* Console variables:
*/
float weaponFOVShift = 45;
float weaponOffsetScale = 0.3183f; // 1/Pi
byte weaponScaleMode = SCALEMODE_SMART_STRETCH;
void R_Register()
{
#ifdef __CLIENT__
C_VAR_INT ("con-show-during-setup", &loadInStartupMode, 0, 0, 1);
C_VAR_INT ("rend-camera-smooth", &rendCameraSmooth, CVF_HIDE, 0, 1);
C_VAR_BYTE("rend-info-deltas-angles", &showViewAngleDeltas, 0, 0, 1);
C_VAR_BYTE("rend-info-deltas-pos", &showViewPosDeltas, 0, 0, 1);
C_VAR_BYTE("rend-info-frametime", &showFrameTimePos, 0, 0, 1);
C_VAR_BYTE("rend-info-rendpolys", &rendInfoRPolys, CVF_NO_ARCHIVE, 0, 1);
C_VAR_INT ("rend-info-tris", &rendInfoTris, 0, 0, 1);
C_CMD("viewgrid", "ii", ViewGrid);
#endif
}
void R_BuildTexGammaLut()
{
#ifdef __SERVER__
double invGamma = 1.0f;
#else
double invGamma = 1.0f - MINMAX_OF(0, texGamma, 1); // Clamp to a sane range.
#endif
for(int i = 0; i < 256; ++i)
{
texGammaLut[i] = byte(255.0f * pow(double(i / 255.0f), invGamma));
}
}
#ifdef __CLIENT__
char const *R_ChooseFixedFont()
{
if(DENG_GAMEVIEW_WIDTH < 300) return "console11";
if(DENG_GAMEVIEW_WIDTH > 768) return "console18";
return "console14";
}
#endif
char const *R_ChooseVariableFont(fontstyle_t style, int resX, int resY)
{
DENG_UNUSED(resX);
int const SMALL_LIMIT = 500;
int const MED_LIMIT = 800;
switch(style)
{
default:
return (resY < SMALL_LIMIT ? "normal12" :
resY < MED_LIMIT ? "normal18" :
"normal24");
case FS_LIGHT:
return (resY < SMALL_LIMIT ? "normallight12" :
resY < MED_LIMIT ? "normallight18" :
"normallight24");
case FS_BOLD:
return (resY < SMALL_LIMIT ? "normalbold12" :
resY < MED_LIMIT ? "normalbold18" :
"normalbold24");
}
}
#ifdef __CLIENT__
static fontid_t loadSystemFont(char const *name)
{
DENG_ASSERT(name && name[0]);
// Compose the resource name.
struct uri_s *uri = Uri_NewWithPath2("System:", RC_NULL);
Uri_SetPath(uri, name);
// Compose the resource data path.
ddstring_t resourcePath; Str_InitStd(&resourcePath);
Str_Appendf(&resourcePath, "}data/Fonts/%s.dfn", name);
#if defined(UNIX) && !defined(MACOSX)
// Case-sensitive file system.
/// @todo Unkludge this: handle in a more generic manner.
strlwr(resourcePath.str);
#endif
F_ExpandBasePath(&resourcePath, &resourcePath);
font_t *font = R_CreateFontFromFile(uri, Str_Text(&resourcePath));
Str_Free(&resourcePath);
Uri_Delete(uri);
if(!font)
{
Con_Error("loadSystemFont: Failed loading font \"%s\".", name);
exit(1); // Unreachable.
}
return Fonts_Id(font);
}
static void loadFontIfNeeded(char const *uri, fontid_t *fid)
{
*fid = Fonts_ResolveUriCString(uri);
if(*fid == NOFONTID)
{
*fid = loadSystemFont(uri);
}
}
#endif // __CLIENT__
void R_LoadSystemFonts()
{
#ifdef __CLIENT__
if(!Fonts_IsInitialized() || isDedicated) return;
loadFontIfNeeded(R_ChooseFixedFont(), &fontFixed);
loadFontIfNeeded(R_ChooseVariableFont(FS_NORMAL, DENG_GAMEVIEW_WIDTH, DENG_GAMEVIEW_HEIGHT), &fontVariable[FS_NORMAL]);
loadFontIfNeeded(R_ChooseVariableFont(FS_BOLD, DENG_GAMEVIEW_WIDTH, DENG_GAMEVIEW_HEIGHT), &fontVariable[FS_BOLD]);
loadFontIfNeeded(R_ChooseVariableFont(FS_LIGHT, DENG_GAMEVIEW_WIDTH, DENG_GAMEVIEW_HEIGHT), &fontVariable[FS_LIGHT]);
//Con_SetFont(fontFixed);
#endif
}
#undef R_SetViewOrigin
DENG_EXTERN_C void R_SetViewOrigin(int consoleNum, coord_t const origin[3])
{
if(consoleNum < 0 || consoleNum >= DDMAXPLAYERS) return;
V3d_Copy(viewDataOfConsole[consoleNum].latest.origin, origin);
}
#undef R_SetViewAngle
DENG_EXTERN_C void R_SetViewAngle(int consoleNum, angle_t angle)
{
if(consoleNum < 0 || consoleNum >= DDMAXPLAYERS) return;
viewDataOfConsole[consoleNum].latest.angle = angle;
}
#undef R_SetViewPitch
DENG_EXTERN_C void R_SetViewPitch(int consoleNum, float pitch)
{
if(consoleNum < 0 || consoleNum >= DDMAXPLAYERS) return;
viewDataOfConsole[consoleNum].latest.pitch = pitch;
}
void R_SetupDefaultViewWindow(int consoleNum)
{
#ifdef __CLIENT__
viewdata_t *vd = &viewDataOfConsole[consoleNum];
if(consoleNum < 0 || consoleNum >= DDMAXPLAYERS) return;
vd->window.origin.x = vd->windowOld.origin.x = vd->windowTarget.origin.x = 0;
vd->window.origin.y = vd->windowOld.origin.y = vd->windowTarget.origin.y = 0;
vd->window.size.width = vd->windowOld.size.width = vd->windowTarget.size.width = DENG_GAMEVIEW_WIDTH;
vd->window.size.height = vd->windowOld.size.height = vd->windowTarget.size.height = DENG_GAMEVIEW_HEIGHT;
vd->windowInter = 1;
#endif
}
void R_ViewWindowTicker(int consoleNum, timespan_t ticLength)
{
#define LERP(start, end, pos) (end * pos + start * (1 - pos))
viewdata_t *vd = &viewDataOfConsole[consoleNum];
if(consoleNum < 0 || consoleNum >= DDMAXPLAYERS) return;
vd->windowInter += float(.4 * ticLength * TICRATE);
if(vd->windowInter >= 1)
{
std::memcpy(&vd->window, &vd->windowTarget, sizeof(vd->window));
}
else
{
float const x = LERP(vd->windowOld.origin.x, vd->windowTarget.origin.x, vd->windowInter);
float const y = LERP(vd->windowOld.origin.y, vd->windowTarget.origin.y, vd->windowInter);
float const w = LERP(vd->windowOld.size.width, vd->windowTarget.size.width, vd->windowInter);
float const h = LERP(vd->windowOld.size.height, vd->windowTarget.size.height, vd->windowInter);
vd->window.origin.x = ROUND(x);
vd->window.origin.y = ROUND(y);
vd->window.size.width = ROUND(w);
vd->window.size.height = ROUND(h);
}
#undef LERP
}
#undef R_ViewWindowGeometry
DENG_EXTERN_C int R_ViewWindowGeometry(int player, RectRaw *geometry)
{
if(!geometry) return false;
if(player < 0 || player >= DDMAXPLAYERS) return false;
viewdata_t const *vd = &viewDataOfConsole[player];
std::memcpy(geometry, &vd->window, sizeof *geometry);
return true;
}
#undef R_ViewWindowOrigin
DENG_EXTERN_C int R_ViewWindowOrigin(int player, Point2Raw *origin)
{
if(!origin) return false;
if(player < 0 || player >= DDMAXPLAYERS) return false;
viewdata_t const *vd = &viewDataOfConsole[player];
std::memcpy(origin, &vd->window.origin, sizeof *origin);
return true;
}
#undef R_ViewWindowSize
DENG_EXTERN_C int R_ViewWindowSize(int player, Size2Raw* size)
{
if(!size) return false;
if(player < 0 || player >= DDMAXPLAYERS) return false;
viewdata_t const *vd = &viewDataOfConsole[player];
std::memcpy(size, &vd->window.size, sizeof *size);
return true;
}
/**
* @note Do not change values used during refresh here because we might be
* partway through rendering a frame. Changes should take effect on next
* refresh only.
*/
#undef R_SetViewWindowGeometry
DENG_EXTERN_C void R_SetViewWindowGeometry(int player, RectRaw const *geometry, boolean interpolate)
{
int p = P_ConsoleToLocal(player);
if(p < 0) return;
viewport_t const *vp = &viewportOfLocalPlayer[p];
viewdata_t *vd = &viewDataOfConsole[player];
RectRaw newGeom;
// Clamp to valid range.
newGeom.origin.x = MINMAX_OF(0, geometry->origin.x, vp->geometry.size.width);
newGeom.origin.y = MINMAX_OF(0, geometry->origin.y, vp->geometry.size.height);
newGeom.size.width = abs(geometry->size.width);
newGeom.size.height = abs(geometry->size.height);
if(newGeom.origin.x + newGeom.size.width > vp->geometry.size.width)
newGeom.size.width = vp->geometry.size.width - newGeom.origin.x;
if(newGeom.origin.y + newGeom.size.height > vp->geometry.size.height)
newGeom.size.height = vp->geometry.size.height - newGeom.origin.y;
// Already at this target?
if(vd->window.origin.x == newGeom.origin.x &&
vd->window.origin.y == newGeom.origin.y &&
vd->window.size.width == newGeom.size.width &&
vd->window.size.height == newGeom.size.height)
return;
// Record the new target.
std::memcpy(&vd->windowTarget, &newGeom, sizeof vd->windowTarget);
// Restart or advance the interpolation timer?
// If dimensions have not yet been set - do not interpolate.
if(interpolate && !(vd->window.size.width == 0 && vd->window.size.height == 0))
{
vd->windowInter = 0;
std::memcpy(&vd->windowOld, &vd->window, sizeof(vd->windowOld));
}
else
{
vd->windowInter = 1; // Update on next frame.
std::memcpy(&vd->windowOld, &vd->windowTarget, sizeof(vd->windowOld));
}
}
#undef R_ViewPortGeometry
DENG_EXTERN_C int R_ViewPortGeometry(int player, RectRaw *geometry)
{
if(!geometry) return false;
int p = P_ConsoleToLocal(player);
if(p == -1) return false;
viewport_t* vp = &viewportOfLocalPlayer[p];
std::memcpy(geometry, &vp->geometry, sizeof *geometry);
return true;
}
#undef R_ViewPortOrigin
DENG_EXTERN_C int R_ViewPortOrigin(int player, Point2Raw *origin)
{
if(!origin) return false;
int p = P_ConsoleToLocal(player);
if(p == -1) return false;
viewport_t *vp = &viewportOfLocalPlayer[p];
std::memcpy(origin, &vp->geometry.origin, sizeof *origin);
return true;
}
#undef R_ViewPortSize
DENG_EXTERN_C int R_ViewPortSize(int player, Size2Raw *size)
{
if(!size) return false;
int p = P_ConsoleToLocal(player);
if(p == -1) return false;
viewport_t *vp = &viewportOfLocalPlayer[p];
std::memcpy(size, &vp->geometry.size, sizeof *size);
return true;
}
#undef R_SetViewPortPlayer
DENG_EXTERN_C void R_SetViewPortPlayer(int consoleNum, int viewPlayer)
{
int p = P_ConsoleToLocal(consoleNum);
if(p != -1)
{
viewportOfLocalPlayer[p].console = viewPlayer;
}
}
/**
* Calculate the placement and dimensions of a specific viewport.
* Assumes that the grid has already been configured.
*/
void R_UpdateViewPortGeometry(viewport_t *port, int col, int row)
{
#ifdef __CLIENT__
DENG_ASSERT(port);
RectRaw *rect = &port->geometry;
int const x = col * DENG_GAMEVIEW_WIDTH / gridCols;
int const y = row * DENG_GAMEVIEW_HEIGHT / gridRows;
int const width = (col+1) * DENG_GAMEVIEW_WIDTH / gridCols - x;
int const height = (row+1) * DENG_GAMEVIEW_HEIGHT / gridRows - y;
ddhook_viewport_reshape_t p;
bool doReshape = false;
if(rect->origin.x == x && rect->origin.y == y &&
rect->size.width == width && rect->size.height == height)
return;
if(port->console != -1 && Plug_CheckForHook(HOOK_VIEWPORT_RESHAPE))
{
std::memcpy(&p.oldGeometry, rect, sizeof(p.oldGeometry));
doReshape = true;
}
rect->origin.x = x;
rect->origin.y = y;
rect->size.width = width;
rect->size.height = height;
if(doReshape)
{
std::memcpy(&p.geometry, rect, sizeof(p.geometry));
DD_CallHooks(HOOK_VIEWPORT_RESHAPE, port->console, (void*)&p);
}
#endif // __CLIENT__
}
boolean R_SetViewGrid(int numCols, int numRows)
{
int x, y, p, console;
if(numCols > 0 && numRows > 0)
{
if(numCols * numRows > DDMAXPLAYERS)
return false;
if(numCols > DDMAXPLAYERS)
numCols = DDMAXPLAYERS;
if(numRows > DDMAXPLAYERS)
numRows = DDMAXPLAYERS;
gridCols = numCols;
gridRows = numRows;
}
p = 0;
for(y = 0; y < gridRows; ++y)
{
for(x = 0; x < gridCols; ++x)
{
// The console number is -1 if the viewport belongs to no one.
viewport_t *vp = viewportOfLocalPlayer + p;
console = P_LocalToConsole(p);
if(console != -1)
{
vp->console = clients[console].viewConsole;
}
else
{
vp->console = -1;
}
R_UpdateViewPortGeometry(vp, x, y);
++p;
}
}
return true;
}
void R_Init()
{
R_LoadSystemFonts();
R_InitColorPalettes();
R_InitTranslationTables();
R_InitRawTexs();
R_InitSvgs();
#ifdef __CLIENT__
R_InitViewWindow();
Rend_Init();
#endif
frameCount = 0;
}
void R_Update()
{
// Reset file IDs so previously seen files can be processed again.
F_ResetFileIds();
// Re-read definitions.
Def_Read();
R_UpdateRawTexs();
R_InitSprites(); // Fully reinitialize sprites.
Models_Init(); // Defs might've changed.
R_UpdateTranslationTables();
Def_PostInit();
App_World().update();
#ifdef __CLIENT__
// Recalculate the light range mod matrix.
Rend_UpdateLightModMatrix();
// The rendering lists have persistent data that has changed during
// the re-initialization.
RL_DeleteLists();
/// @todo fixme: Update the game title and the status.
#endif
#ifdef DENG_DEBUG
Z_CheckHeap();
#endif
}
void R_Shutdown()
{
R_ClearAnimGroups();
R_ShutdownSprites();
Models_Shutdown();
R_ShutdownSvgs();
#ifdef __CLIENT__
R_ShutdownViewWindow();
Fonts_Shutdown();
Rend_Shutdown();
#endif
}
void R_Ticker(timespan_t time)
{
for(int i = 0; i < DDMAXPLAYERS; ++i)
{
R_ViewWindowTicker(i, time);
}
}
void R_ResetViewer()
{
resetNextViewer = 1;
}
int R_NextViewer()
{
return resetNextViewer;
}
void R_InterpolateViewer(viewer_t *start, viewer_t *end, float pos, viewer_t *out)
{
float inv = 1 - pos;
int delta;
out->origin[VX] = inv * start->origin[VX] + pos * end->origin[VX];
out->origin[VY] = inv * start->origin[VY] + pos * end->origin[VY];
out->origin[VZ] = inv * start->origin[VZ] + pos * end->origin[VZ];
delta = int(end->angle) - int(start->angle);
out->angle = start->angle + int(pos * delta);
out->pitch = inv * start->pitch + pos * end->pitch;
}
void R_CopyViewer(viewer_t *dst, viewer_t const *src)
{
V3d_Copy(dst->origin, src->origin);
dst->angle = src->angle;
dst->pitch = src->pitch;
}
viewdata_t const *R_ViewData(int consoleNum)
{
DENG_ASSERT(consoleNum >= 0 && consoleNum < DDMAXPLAYERS);
return &viewDataOfConsole[consoleNum];
}
/**
* The components whose difference is too large for interpolation will be
* snapped to the sharp values.
*/
void R_CheckViewerLimits(viewer_t *src, viewer_t *dst)
{
int const MAXMOVE = 32;
/// @todo Remove this snapping. The game should determine this and disable the
/// the interpolation as required.
if(fabs(dst->origin[VX] - src->origin[VX]) > MAXMOVE ||
fabs(dst->origin[VY] - src->origin[VY]) > MAXMOVE)
{
V3d_Copy(src->origin, dst->origin);
}
if(abs(int(dst->angle) - int(src->angle)) >= ANGLE_45)
{
#ifdef _DEBUG
Con_Message("R_CheckViewerLimits: Snap camera angle to %08x.", dst->angle);
#endif
src->angle = dst->angle;
}
}
/**
* Retrieve the current sharp camera position.
*/
void R_GetSharpView(viewer_t *view, player_t *player)
{
if(!player || !player->shared.mo) return;
ddplayer_t *ddpl = &player->shared;
viewdata_t *vd = &viewDataOfConsole[player - ddPlayers];
R_CopyViewer(view, &vd->latest);
if((ddpl->flags & DDPF_CHASECAM) && !(ddpl->flags & DDPF_CAMERA))
{
/* STUB
* This needs to be fleshed out with a proper third person
* camera control setup. Currently we simply project the viewer's
* position a set distance behind the ddpl.
*/
angle_t pitch = LOOKDIR2DEG(view->pitch) / 360 * ANGLE_MAX;
angle_t angle = view->angle;
float distance = 90;
angle = view->angle >> ANGLETOFINESHIFT;
pitch >>= ANGLETOFINESHIFT;
view->origin[VX] -= distance * FIX2FLT(fineCosine[angle]);
view->origin[VY] -= distance * FIX2FLT(finesine[angle]);
view->origin[VZ] -= distance * FIX2FLT(finesine[pitch]);
}
// Check that the viewZ doesn't go too high or low.
// Cameras are not restricted.
if(!(ddpl->flags & DDPF_CAMERA))
{
if(view->origin[VZ] > ddpl->mo->ceilingZ - 4)
{
view->origin[VZ] = ddpl->mo->ceilingZ - 4;
}
if(view->origin[VZ] < ddpl->mo->floorZ + 4)
{
view->origin[VZ] = ddpl->mo->floorZ + 4;
}
}
}
void R_NewSharpWorld()
{
if(resetNextViewer)
resetNextViewer = 2;
for(int i = 0; i < DDMAXPLAYERS; ++i)
{
viewer_t sharpView;
viewdata_t *vd = &viewDataOfConsole[i];
player_t *plr = &ddPlayers[i];
if(/*(plr->shared.flags & DDPF_LOCAL) &&*/
(!plr->shared.inGame || !plr->shared.mo))
{
continue;
}
R_GetSharpView(&sharpView, plr);
// The game tic has changed, which means we have an updated sharp
// camera position. However, the position is at the beginning of
// the tic and we are most likely not at a sharp tic boundary, in
// time. We will move the viewer positions one step back in the
// buffer. The effect of this is that [0] is the previous sharp
// position and [1] is the current one.
std::memcpy(&vd->lastSharp[0], &vd->lastSharp[1], sizeof(viewer_t));
std::memcpy(&vd->lastSharp[1], &sharpView, sizeof(sharpView));
R_CheckViewerLimits(vd->lastSharp, &sharpView);
}
#ifdef __CLIENT__
if(App_World().hasMap())
{
Map &map = App_World().map();
map.updateTrackedPlanes();
map.updateScrollingSurfaces();
}
#endif
}
void R_UpdateViewer(int consoleNum)
{
DENG_ASSERT(consoleNum >= 0 && consoleNum < DDMAXPLAYERS);
int const VIEWPOS_MAX_SMOOTHDISTANCE = 172;
viewdata_t *vd = viewDataOfConsole + consoleNum;
player_t *player = ddPlayers + consoleNum;
if(!player->shared.inGame || !player->shared.mo) return;
viewer_t sharpView;
R_GetSharpView(&sharpView, player);
if(resetNextViewer ||
V3d_Distance(vd->current.origin, sharpView.origin) > VIEWPOS_MAX_SMOOTHDISTANCE)
{
// Keep reseting until a new sharp world has arrived.
if(resetNextViewer > 1)
resetNextViewer = 0;
// Just view from the sharp position.
R_CopyViewer(&vd->current, &sharpView);
std::memcpy(&vd->lastSharp[0], &sharpView, sizeof(sharpView));
std::memcpy(&vd->lastSharp[1], &sharpView, sizeof(sharpView));
}
// While the game is paused there is no need to calculate any
// time offsets or interpolated camera positions.
else //if(!clientPaused)
{
// Calculate the smoothed camera position, which is somewhere between
// the previous and current sharp positions. This introduces a slight
// delay (max. 1/35 sec) to the movement of the smoothed camera.
viewer_t smoothView;
R_InterpolateViewer(vd->lastSharp, vd->lastSharp + 1, frameTimePos, &smoothView);
// Use the latest view angles known to us, if the interpolation flags
// are not set. The interpolation flags are used when the view angles
// are updated during the sharp tics and need to be smoothed out here.
// For example, view locking (dead or camera setlock).
/*if(!(player->shared.flags & DDPF_INTERYAW))
smoothView.angle = sharpView.angle;*/
/*if(!(player->shared.flags & DDPF_INTERPITCH))
smoothView.pitch = sharpView.pitch;*/
R_CopyViewer(&vd->current, &smoothView);
// Monitor smoothness of yaw/pitch changes.
if(showViewAngleDeltas)
{
typedef struct oldangle_s {
double time;
float yaw, pitch;
} oldangle_t;
static oldangle_t oldangle[DDMAXPLAYERS];
oldangle_t *old = &oldangle[viewPlayer - ddPlayers];
float yaw = (double)smoothView.angle / ANGLE_MAX * 360;
Con_Message("(%i) F=%.3f dt=%-10.3f dx=%-10.3f dy=%-10.3f "
"Rdx=%-10.3f Rdy=%-10.3f",
SECONDS_TO_TICKS(gameTime),
frameTimePos,
sysTime - old->time,
yaw - old->yaw,
smoothView.pitch - old->pitch,
(yaw - old->yaw) / (sysTime - old->time),
(smoothView.pitch - old->pitch) / (sysTime - old->time));
old->yaw = yaw;
old->pitch = smoothView.pitch;
old->time = sysTime;
}
// The Rdx and Rdy should stay constant when moving.
if(showViewPosDeltas)
{
struct OldPos
{
double time;
float x, y, z;
};
static OldPos oldpos[DDMAXPLAYERS];
OldPos *old = &oldpos[viewPlayer - ddPlayers];
Con_Message("(%i) F=%.3f dt=%-10.3f dx=%-10.3f dy=%-10.3f dz=%-10.3f dx/dt=%-10.3f dy/dt=%-10.3f",
//"Rdx=%-10.3f Rdy=%-10.3f\n",
SECONDS_TO_TICKS(gameTime),
frameTimePos,
sysTime - old->time,
smoothView.origin[0] - old->x,
smoothView.origin[1] - old->y,
smoothView.origin[2] - old->z,
(smoothView.origin[0] - old->x) / (sysTime - old->time),
(smoothView.origin[1] - old->y) / (sysTime - old->time));
old->x = smoothView.origin[VX];
old->y = smoothView.origin[VY];
old->z = smoothView.origin[VZ];
old->time = sysTime;
}
}
// Update viewer.
uint an = vd->current.angle >> ANGLETOFINESHIFT;
vd->viewSin = FIX2FLT(finesine[an]);
vd->viewCos = FIX2FLT(fineCosine[an]);
// Calculate the front, up and side unit vectors.
float yawRad = ((vd->current.angle / (float) ANGLE_MAX) *2) * PI;
float pitchRad = vd->current.pitch * 85 / 110.f / 180 * PI;
// The front vector.
vd->frontVec[VX] = cos(yawRad) * cos(pitchRad);
vd->frontVec[VZ] = sin(yawRad) * cos(pitchRad);
vd->frontVec[VY] = sin(pitchRad);
// The up vector.
vd->upVec[VX] = -cos(yawRad) * sin(pitchRad);
vd->upVec[VZ] = -sin(yawRad) * sin(pitchRad);
vd->upVec[VY] = cos(pitchRad);
// The side vector is the cross product of the front and up vectors.
V3f_CrossProduct(vd->sideVec, vd->frontVec, vd->upVec);
}
/**
* Prepare rendering the view of the given player.
*/
void R_SetupFrame(player_t *player)
{
#define MINEXTRALIGHTFRAMES 2
// This is now the current view player.
viewPlayer = player;
// Reset the GL triangle counter.
//polyCounter = 0;
if(showFrameTimePos)
{
Con_Printf("frametime = %f\n", frameTimePos);
}
// Handle extralight (used to light up the world momentarily (used for
// e.g. gun flashes). We want to avoid flickering, so when ever it is
// enabled; make it last for a few frames.
if(player->targetExtraLight != player->shared.extraLight)
{
player->targetExtraLight = player->shared.extraLight;
player->extraLightCounter = MINEXTRALIGHTFRAMES;
}
if(player->extraLightCounter > 0)
{
player->extraLightCounter--;
if(player->extraLightCounter == 0)
player->extraLight = player->targetExtraLight;
}
// Why?
validCount++;
#ifdef __CLIENT__
extraLight = player->extraLight;
extraLightDelta = extraLight / 16.0f;
if(!freezeRLs)
{
R_ClearVisSprites();
}
#endif
#undef MINEXTRALIGHTFRAMES
}
#ifdef __CLIENT__
void R_RenderPlayerViewBorder()
{
R_DrawViewBorder();
}
void R_UseViewPort(viewport_t *vp)
{
DENG_ASSERT_IN_MAIN_THREAD();
DENG_ASSERT_GL_CONTEXT_ACTIVE();
if(!vp)
{
currentViewport = NULL;
//glViewport(0, FLIP(0 + DENG_GAMEVIEW_HEIGHT - 1),
// DENG_GAMEVIEW_WIDTH, DENG_GAMEVIEW_HEIGHT);
GLState::top().setViewport(Rectangleui(0, 0, DENG_GAMEVIEW_WIDTH, DENG_GAMEVIEW_HEIGHT)).apply();
}
else
{
currentViewport = vp;
/*glViewport(vp->geometry.origin.x,
FLIP(vp->geometry.origin.y + vp->geometry.size.height - 1),
vp->geometry.size.width, vp->geometry.size.height);*/
GLState::top().setViewport(Rectangleui(vp->geometry.origin.x,
vp->geometry.origin.y,
vp->geometry.size.width,
vp->geometry.size.height)).apply();
}
}
viewport_t const *R_CurrentViewPort()
{
return currentViewport;
}
void R_RenderBlankView()
{
UI_DrawDDBackground(Point2Raw(0, 0), Size2Raw(320, 200), 1);
}
void R_SetupPlayerSprites()
{
psp3d = false;
// Cameramen have no psprites.
ddplayer_t *ddpl = &viewPlayer->shared;
if((ddpl->flags & DDPF_CAMERA) || (ddpl->flags & DDPF_CHASECAM))
return;
if(!ddpl->mo)
return;
mobj_t *mo = ddpl->mo;
if(!Mobj_HasCluster(*mo))
return;
SectorCluster &cluster = Mobj_Cluster(*mo);
// Determine if we should be drawing all the psprites full bright?
boolean isFullBright = (levelFullBright != 0);
if(!isFullBright)
{
ddpsprite_t *psp = ddpl->pSprites;
for(int i = 0; i < DDMAXPSPRITES; ++i, psp++)
{
if(!psp->statePtr) continue;
// If one of the psprites is fullbright, both are.
if(psp->statePtr->flags & STF_FULLBRIGHT)
isFullBright = true;
}
}
viewdata_t const *viewData = R_ViewData(viewPlayer - ddPlayers);
ddpsprite_t *psp = ddpl->pSprites;
for(int i = 0; i < DDMAXPSPRITES; ++i, psp++)
{
vispsprite_t *spr = &visPSprites[i];
spr->type = VPSPR_SPRITE;
spr->psp = psp;
if(!psp->statePtr) continue;
// First, determine whether this is a model or a sprite.