r_particle.cpp File Reference

#include "r_local.h"
#include "r_particle.h"
#include "r_draw.h"

Include dependency graph for r_particle.cpp:

Go to the source code of this file.

Functions
static void	R_GetSpriteVectors (const ptl_t *p, vec3_t right, vec3_t up)
	Get Sprite Vectors. More...
static void	R_SpriteTexcoords (const ptl_t *p, float out[8])
	Fills float array with texture coordinates. More...
static void	R_DrawSprite (const ptl_t *p)
static void	R_DrawParticleModel (ptl_t *p)
static void	R_DrawPtlCircle (const ptl_t *p)
	Draws a circle out of lines. More...
static void	R_DrawPtlLine (const ptl_t *p)
static void	R_SetBlendMode (int mode)
void	R_DrawParticles (void)

Variables
ptl_t	r_particleArray [MAX_PTLS]
int	r_numParticles
cvar_t *	r_particles

Function Documentation

R_DrawParticleModel()

static void R_DrawParticleModel ( ptl_t *  p )

static

See also

R_DrawParticles

Definition at line 164 of file r_particle.cpp.

References modelInfo_t::angles, ptl_t::angles, ptlArt_t::art, modelInfo_t::color, ptl_t::color, modelInfo_t::model, ptlArt_t::model, ptl_t::model, OBJZERO, modelInfo_t::origin, R_DrawModelParticle(), ptl_t::s, modelInfo_t::skin, and ptl_t::skin.

Referenced by R_DrawParticles().

R_DrawParticles()

void R_DrawParticles

(

void

)

Note

No need to reset the blend mode - R_Setup2D will do this

See also

R_Setup2D

Definition at line 266 of file r_particle.cpp.

References ptl_t::blend, i, cvar_t::integer, ptl_t::inuse, ptl_t::invis, ptl_t::levelFlags, ptl_t::model, ptl_t::pic, ptl_t::program, R_BlendFunc(), R_Color(), R_DrawParticleModel(), R_DrawPtlCircle(), R_DrawPtlLine(), R_DrawSprite(), r_numParticles, r_particleArray, r_particles, R_SetBlendMode(), R_TexEnv(), R_UseProgram(), refdef, ptl_t::style, STYLE_CIRCLE, STYLE_LINE, and rendererData_t::worldlevel.

Referenced by R_RenderFrame().

R_DrawPtlCircle()

static void R_DrawPtlCircle ( const ptl_t *  p )

static

Draws a circle out of lines.

Parameters

[in]

p

The particle definition with origin, radius and color

See also

Draw_Circle

Definition at line 186 of file r_particle.cpp.

References ptl_t::color, R_DrawCircle(), R_EnableTexture(), ptl_t::s, ptl_t::size, and texunit_diffuse.

Referenced by R_DrawParticles().

R_DrawPtlLine()

static void R_DrawPtlLine ( const ptl_t *  p )

static

See also

R_DrawParticles

Definition at line 201 of file r_particle.cpp.

References rendererData_t::batchCount, ptl_t::color, R_BindArray(), R_BindDefaultArray(), R_Color(), R_EnableTexture(), refdef, ptl_t::s, texunit_diffuse, and ptl_t::v.

Referenced by R_DrawParticles().

R_DrawSprite()

static void R_DrawSprite ( const ptl_t *  p )

static

See also

R_DrawParticles

Definition at line 101 of file r_particle.cpp.

References ptlArt_t::art, rendererData_t::batchCount, ptl_t::color, ptlArt_t::image, ptl_t::offset, ptl_t::parent, ptl_t::pic, R_BindArray(), R_BindDefaultArray(), R_BindTexture, R_Color(), R_GetSpriteVectors(), R_SpriteTexcoords(), refdef, ptl_t::s, image_t::texnum, VectorCopy, VectorMA(), and VectorNormalizeFast().

Referenced by R_DrawParticles().

R_GetSpriteVectors()

static void R_GetSpriteVectors ( const ptl_t *  p, vec3_t  right, vec3_t  up  )

static

Get Sprite Vectors.

Parameters

[in]	p	the particle to give the dimensions for
[out]	right	the output right vector for the particle
[out]	up	the output up vector for the particle

See also

R_DrawSprite

Definition at line 47 of file r_particle.cpp.

References ptl_t::angles, AngleVectors(), Com_Error(), CrossProduct(), ERR_FATAL, rlocals_t::forward, r_locals, rlocals_t::right, ptl_t::size, ptl_t::style, STYLE_AXIS, STYLE_BEAM, STYLE_FACING, STYLE_ROTATED, rlocals_t::up, VectorNormalizeFast(), and VectorScale.

Referenced by R_DrawSprite().

R_SetBlendMode()

static void R_SetBlendMode ( int  mode )

static

See also

R_DrawParticles

Definition at line 235 of file r_particle.cpp.

References BLEND_ADD, BLEND_BLEND, BLEND_FILTER, BLEND_INVFILTER, BLEND_ONE, BLEND_REPLACE, Com_Error(), ERR_DROP, R_BlendFunc(), and R_TexEnv().

Referenced by R_DrawParticles().

R_SpriteTexcoords()

static void R_SpriteTexcoords ( const ptl_t *  p, float  out[8]  )

inlinestatic

Fills float array with texture coordinates.

Note

Also cares for sprite scrolling (if any)

Definition at line 80 of file r_particle.cpp.

References refdef, ptl_t::scrollS, ptl_t::scrollT, and rendererData_t::time.

Referenced by R_DrawSprite().

Variable Documentation

r_numParticles

int r_numParticles

Definition at line 30 of file r_particle.cpp.

Referenced by CL_ClearState(), CL_ParticleCheckRounds(), CL_ParticleRun(), CL_ParticleSpawn(), PTL_InitStartup(), and R_DrawParticles().

r_particleArray

ptl_t r_particleArray[MAX_PTLS]

Definition at line 29 of file r_particle.cpp.

Referenced by CL_ParticleCheckRounds(), CL_ParticleRun(), CL_ParticleSpawn(), and R_DrawParticles().

r_particles

cvar_t* r_particles

Definition at line 32 of file r_particle.cpp.

Referenced by R_DrawParticles(), and R_RegisterSystemVars().