Portable Half-Life SDK. GoldSource and Xash3D. Crossplatform.
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//---------------------------------------------------------
//---------------------------------------------------------
//- ---
//- lensflare.cpp ---
//- ---
//---------------------------------------------------------
//---------------------------------------------------------
//- code de la lampe des grunts ---
//---------------------------------------------------------
//---------------------------------------------------------
//---------------------------------------------------------
//inclusions
#include "hud.h"
#include "cl_util.h"
#include "const.h"
#include "parsemsg.h"
#include "triangleapi.h"
#include "cl_entity.h"
#if USE_VGUI
#include "vgui_TeamFortressViewport.h"
#endif
#include "pmtrace.h"
#include "pm_defs.h"
#include "event_api.h"
extern void VectorAngles( const float *forward, float *angles );
extern vec3_t v_origin, v_angles; // angles de la vue du joueur
#define FLASH_SPR "sprites/spot01.spr"
#define MAX_FLARE 12
#define FLASH_BLANC_SIZE 35
int lensflare_spritevars [MAX_FLARE] [3] =
{
/*distance - diametre - brightness*/
{ 15, 6, 25 }, // grands du bout
// { 0, 50, 220 }, // flash
{ 35, 7, 33 }, // marron au milieu
{ 50, 9, 33 }, // marron au milieu
{ 65, 7, 30 }, // marron au milieu
{ 75, 3, 40 }, // petits jaunes
{ 79, 8, 35 },
{ 83, 3, 50 },
{ 95, 2, 40 }, // petits bleus
{ 97, 4, 120 },
{ 100, 2, 40 },
{ 110, 20, 60 }, // grands du bout
{ 120, 30, 50 },
};
char lensflare_spritename [MAX_FLARE] [128] =
{
"sprites/lensflare01.spr",
// "sprites/lensflare05.spr",
"sprites/lensflare01.spr",
"sprites/lensflare01.spr",
"sprites/lensflare01.spr",
"sprites/lensflare04.spr",
"sprites/lensflare04.spr",
"sprites/lensflare04.spr",
"sprites/lensflare02.spr",
"sprites/lensflare03.spr",
"sprites/lensflare02.spr",
"sprites/lensflare01.spr",
"sprites/lensflare01.spr",
};
//------------------------------------
//
// d
// gmsgLFlammes
DECLARE_MESSAGE(m_LensFlare, LensFlare );
//------------------------------------
//
// gestion des messages serveur
int CHudLensFlare::MsgFunc_LensFlare( const char *pszName, int iSize, void *pbuf )
{
BEGIN_READ( pbuf, iSize );
int mode = READ_BYTE();
if ( mode == 1 ) // allume
{
gruntlight_t *p = NULL;
p = new gruntlight_t;
p->index = READ_BYTE();
p->pNext = m_pLight;
m_pLight = p;
m_iFlags |= HUD_ACTIVE;
}
else if ( mode == 0 )
{
int idx = READ_BYTE();
// destruction d'une flamme
gruntlight_t *p = NULL;
gruntlight_t *q = NULL;
p = m_pLight;
while ( p != NULL )
{
if ( p->index == idx )
{
if ( q == NULL )
{
// premi
m_pLight = p->pNext,
delete p;
break;
}
else
{
q->pNext = p->pNext;
delete p;
break;
}
}
q = p;
p = p->pNext;
}
}
return 1;
}
//------------------------------------
//
// destruction du registre des lampes
void CHudLensFlare :: ClearLights ( void )
{
while ( m_pLight != NULL )
{
gruntlight_t *p = NULL;
p = m_pLight;
m_pLight = m_pLight->pNext;
delete p;
}
}
//------------------------------------
//
// rafraichissement de l'affichage
int CHudLensFlare :: Draw ( float flTime )
{
return 1;
}
void CHudLensFlare :: DrawLight ( void )
{
// hud
if ( ! (m_iFlags & HUD_ACTIVE))
return;
// initialisation triapi
int modelindex;
struct model_s *mod = gEngfuncs.CL_LoadModel( FLASH_SPR , &modelindex );
gEngfuncs.pTriAPI->SpriteTexture( (struct model_s *)mod, 0 );
gEngfuncs.pTriAPI->RenderMode( kRenderTransAdd ); //mode de transparence
gEngfuncs.pTriAPI->CullFace( TRI_NONE ); //(des)activer le face culling
gEngfuncs.pTriAPI->Brightness( 0.15 );
gEngfuncs.pTriAPI->Color4f( 1.0, 1.0, 0.75, 0.5 );
vec3_t v_forward, v_right, v_up, vertex;
AngleVectors ( v_angles, v_forward, v_right, v_up );
gruntlight_t *p = m_pLight;
while ( p != NULL )
{
cl_entity_t *ent = gEngfuncs.GetEntityByIndex( p->index );
// vecteurs
// attach 0 : muzzleflash
// attach 1 : right hand
vec3_t vecOrigin = ent->attachment[2];
vec3_t vecDirFlash = ( ent->attachment[3] - ent->attachment[2] ).Normalize();
pmtrace_t tr = *( gEngfuncs.PM_TraceLine( vecOrigin, vecOrigin+vecDirFlash*256, PM_WORLD_ONLY, 2, 1 ) );
/* pmtrace_t tr;
gEngfuncs.pEventAPI->EV_SetTraceHull( 2 );
gEngfuncs.pEventAPI->EV_PlayerTrace( vecOrigin, vecOrigin+vecDirFlash*256, PM_WORLD_ONLY, -1, &tr );
*/
gEngfuncs.pTriAPI->Begin( TRI_TRIANGLES ); //d
gEngfuncs.pTriAPI->TexCoord2f( 0.5, 1 );
vertex = vecOrigin;
gEngfuncs.pTriAPI->Vertex3f( vertex.x, vertex.y, vertex.z );
gEngfuncs.pTriAPI->TexCoord2f( 0, 1-tr.fraction );
vertex = vecOrigin + vecDirFlash*256*tr.fraction + v_up * 12*tr.fraction;
gEngfuncs.pTriAPI->Vertex3f( vertex.x, vertex.y, vertex.z );
gEngfuncs.pTriAPI->TexCoord2f( 1, 1-tr.fraction );
vertex = vecOrigin + vecDirFlash*256*tr.fraction - v_up * 12*tr.fraction;
gEngfuncs.pTriAPI->Vertex3f( vertex.x, vertex.y, vertex.z );
gEngfuncs.pTriAPI->End(); //fin du trac
p = p->pNext;
}
// ----------- lens flare-----------
p = m_pLight;
while ( p != NULL )
{
cl_entity_t *ent = gEngfuncs.GetEntityByIndex( p->index );
vec3_t vecOrigin = ent->attachment[3];
vec3_t vecDirFlash = ( ent->attachment[3] - ent->attachment[2] ).Normalize();
vec3_t vecScrPos;
// test de pr
if ( gEngfuncs.pTriAPI->WorldToScreen ( vecOrigin, vecScrPos ) )
{
p = p->pNext;
continue;
}
vecScrPos [0] = XPROJECT ( vecScrPos [0] );
vecScrPos [1] = YPROJECT ( vecScrPos [1] );
if ( vecScrPos[0] < XRES(-10) || vecScrPos[0] > XRES(650) || vecScrPos[1] < YRES(-10) || vecScrPos[1] > YRES(490) )
{
p = p->pNext;
continue;
}
// test de direction
vec3_t vecAngFlash, vecAngDelta;
VectorAngles ( -vecDirFlash, vecAngFlash );
VectorAngles ( ((vecOrigin-v_origin).Normalize()), vecAngDelta );
float flDifX = (float)fabs( (int)(vecAngFlash.x-vecAngDelta.x)%360 );
flDifX = flDifX > 180 ? flDifX - 360 : flDifX;
flDifX = flDifX < -180 ? flDifX + 360 : flDifX;
float flDifY = (float)fabs( (int)(vecAngDelta.y-vecAngFlash.y)%360 );
flDifY = flDifY > 180 ? flDifY - 360 : flDifY;
flDifY = flDifY < -180 ? flDifY + 360 : flDifY;
if ( fabs( flDifX ) > 45 || fabs( flDifY ) > 45 )
{
p = p->pNext;
continue;
}
// test de visibilit
pmtrace_t tr = *( gEngfuncs.PM_TraceLine( v_origin, vecOrigin, PM_TRACELINE_ANYVISIBLE, 2, 1 ) );
if ( tr.fraction != 1.0 )
{
p = p->pNext;
continue;
}
// brillance - position sur l'
float brightnessratio = 1;
float pixelDist = sqrt ( (vecScrPos[0]-XRES(320))*(vecScrPos[0]-XRES(320))
+(vecScrPos[1]-YRES(240))*(vecScrPos[1]-YRES(240)) );
float maxdist = sqrt ( XRES(330)*XRES(330) + YRES(250)*YRES(250) );
brightnessratio *= pixelDist < XRES(80) ? 1.2 : 1.2 * ( 1 - (pixelDist-XRES(80)) / (maxdist-XRES(80)));
// brillance - angle
brightnessratio *= fabs( flDifY ) < 25 ? 1 : 1 - ( (fabs(flDifY)-25)/20 );
brightnessratio *= fabs( flDifX ) < 25 ? 1 : 1 - ( (fabs(flDifX)-25)/20 );
// affichage
vec3_t vecFlareOrg = v_origin + (vecOrigin - v_origin).Normalize()*10;
vec3_t vecFlareEnd = v_origin + v_forward*10;
vec3_t flUnit = (vecFlareEnd - vecFlareOrg) / 100;
for ( int i=0; i<MAX_FLARE; i++ )
{
// initialisation triapi
mod = gEngfuncs.CL_LoadModel( lensflare_spritename[i] , &modelindex );
gEngfuncs.pTriAPI->SpriteTexture( (struct model_s *)mod, 0 );
gEngfuncs.pTriAPI->RenderMode( kRenderTransAdd ); //mode de transparence
gEngfuncs.pTriAPI->CullFace( TRI_NONE ); //(des)activer le face culling
gEngfuncs.pTriAPI->Brightness( 200 );
gEngfuncs.pTriAPI->Color4f( 1.0, 1.0, 1.0/*0.75*/, (float)((float)lensflare_spritevars[i][2] / 256.0f) * brightnessratio );
vec3_t pos = vecFlareOrg + flUnit * lensflare_spritevars[i][0];
vec3_t vertex;
gEngfuncs.pTriAPI->Begin( TRI_QUADS ); //d
gEngfuncs.pTriAPI->TexCoord2f( 0,0 );
vertex = pos + v_up * lensflare_spritevars[i][1] / 20 - v_right * lensflare_spritevars[i][1] / 20;
gEngfuncs.pTriAPI->Vertex3f( vertex.x, vertex.y, vertex.z );
gEngfuncs.pTriAPI->TexCoord2f( 1, 0 );
vertex = pos + v_up * lensflare_spritevars[i][1] / 20 + v_right * lensflare_spritevars[i][1] / 20;
gEngfuncs.pTriAPI->Vertex3f( vertex.x, vertex.y, vertex.z );
gEngfuncs.pTriAPI->TexCoord2f( 1, 1 );
vertex = pos - v_up * lensflare_spritevars[i][1] / 20 + v_right * lensflare_spritevars[i][1] / 20;
gEngfuncs.pTriAPI->Vertex3f( vertex.x, vertex.y, vertex.z );
gEngfuncs.pTriAPI->TexCoord2f( 0, 1 );
vertex = pos - v_up * lensflare_spritevars[i][1] / 20 - v_right * lensflare_spritevars[i][1] / 20;
gEngfuncs.pTriAPI->Vertex3f( vertex.x, vertex.y, vertex.z );
gEngfuncs.pTriAPI->End(); //fin du trac
}
// flash blanc
// initialisation triapi
mod = gEngfuncs.CL_LoadModel( "sprites/lensflare05.spr" , &modelindex );
gEngfuncs.pTriAPI->SpriteTexture( (struct model_s *)mod, 0 );
gEngfuncs.pTriAPI->RenderMode( kRenderTransAdd ); //mode de transparence
gEngfuncs.pTriAPI->CullFace( TRI_NONE ); //(des)activer le face culling
gEngfuncs.pTriAPI->Brightness( 200 );
gEngfuncs.pTriAPI->Color4f( 1.0, 1.0, 1.0, (float)(220.0f / 256.0f) * brightnessratio );
vec3_t pos = vecOrigin + vecDirFlash * 2;
vec3_t vertex;
gEngfuncs.pTriAPI->Begin( TRI_QUADS ); //d
gEngfuncs.pTriAPI->TexCoord2f( 0,0 );
vertex = pos + v_up * FLASH_BLANC_SIZE - v_right * FLASH_BLANC_SIZE;
gEngfuncs.pTriAPI->Vertex3f( vertex.x, vertex.y, vertex.z );
gEngfuncs.pTriAPI->TexCoord2f( 1, 0 );
vertex = pos + v_up * FLASH_BLANC_SIZE + v_right * FLASH_BLANC_SIZE;
gEngfuncs.pTriAPI->Vertex3f( vertex.x, vertex.y, vertex.z );
gEngfuncs.pTriAPI->TexCoord2f( 1, 1 );
vertex = pos - v_up * FLASH_BLANC_SIZE + v_right * FLASH_BLANC_SIZE;
gEngfuncs.pTriAPI->Vertex3f( vertex.x, vertex.y, vertex.z );
gEngfuncs.pTriAPI->TexCoord2f( 0, 1 );
vertex = pos - v_up * FLASH_BLANC_SIZE - v_right * FLASH_BLANC_SIZE;
gEngfuncs.pTriAPI->Vertex3f( vertex.x, vertex.y, vertex.z );
gEngfuncs.pTriAPI->End(); //fin du trac
p = p->pNext;
}
}
//------------------------------------
//
// initialisation au chargement de la dll
int CHudLensFlare :: Init( void )
{
HOOK_MESSAGE( LensFlare );
ClearLights ();
m_iFlags &= ~HUD_ACTIVE;
gHUD.AddHudElem(this);
return 1;
}
//------------------------------------
//
// initialisation apr
int CHudLensFlare :: VidInit( void )
{
HOOK_MESSAGE( LensFlare );
ClearLights();
m_iFlags &= ~HUD_ACTIVE;
gHUD.AddHudElem(this);
return 1;
}