UFO: Alien Invasion
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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.
static void R_SpriteTexcoords (const ptl_t *p, float out[8])
 Fills float array with texture coordinates.
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.
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_tr_particles

Function Documentation

◆ R_DrawParticleModel()

◆ R_DrawParticles()

◆ R_DrawPtlCircle()

void R_DrawPtlCircle ( const ptl_t * p)
static

Draws a circle out of lines.

Parameters
[in]pThe 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()

void R_DrawPtlLine ( const ptl_t * p)
static

◆ R_DrawSprite()

◆ R_GetSpriteVectors()

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

Get Sprite Vectors.

Parameters
[in]pthe particle to give the dimensions for
[out]rightthe output right vector for the particle
[out]upthe 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, r_locals, ptl_t::size, ptl_t::style, STYLE_AXIS, STYLE_BEAM, STYLE_FACING, STYLE_ROTATED, VectorNormalizeFast(), and VectorScale.

Referenced by R_DrawSprite().

◆ R_SetBlendMode()

void R_SetBlendMode ( int mode)
static

◆ R_SpriteTexcoords()

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, and ptl_t::scrollT.

Referenced by R_DrawSprite().

Variable Documentation

◆ r_numParticles

◆ r_particleArray

ptl_t r_particleArray[MAX_PTLS]

◆ r_particles

cvar_t* r_particles

Definition at line 32 of file r_particle.cpp.

Referenced by R_DrawParticles(), and R_RegisterSystemVars().