r_geoscape.c File Reference

#include "r_local.h"
#include "r_error.h"
#include "r_sphere.h"
#include "r_geoscape.h"
#include "r_mesh.h"
#include "r_draw.h"

Include dependency graph for r_geoscape.c:

Go to the source code of this file.

Defines
#define	MARKER_SIZE 60.0
#define	SKYBOX_HALFSIZE 800.0f
	Half size of Skybox.
Functions
void	R_DrawFlatGeoscape (int x, int y, int w, int h, float p, float cx, float cy, float iz, const char map, qboolean overlayNation, qboolean overlayXVI, qboolean overlayRadar, image_t r_dayandnightTexture, image_t r_xviTexture, image_t r_radarTexture)
	Draw the day and night images of a flat geoscape multitexture feature is used to blend the images.
void	R_Draw2DMapMarkers (const vec2_t screenPos, float direction, const char *model, int skin)
	Draw 3D Marker on the 2D geoscape.
void	R_Draw3DMapMarkers (int x, int y, int w, int h, const vec3_t rotate, const vec2_t pos, float direction, float earthRadius, const char *model, int skin)
	Draw 3D Marker on the 3D geoscape.
static void	R_DrawStarfield (int texnum, const vec3_t pos, const vec3_t rotate, float p)
	Bind and draw starfield.
static void	RotateCelestialBody (const vec4_t v, vec4_t *r, const vec3_t rotate, const vec3_t earthPos, const float celestialDist)
	rotate a planet (sun or moon) with respect to the earth
void	R_Draw3DGlobe (int x, int y, int w, int h, int day, int second, const vec3_t rotate, float zoom, const char map, qboolean disableSolarRender, float ambient, qboolean overlayNation, qboolean overlayXVI, qboolean overlayRadar, image_t r_xviTexture, image_t *r_radarTexture)
	responsible for drawing the 3d globe on geoscape
static void	R_DrawQuad (void)
	Draw the current texture on a quad the size of the renderbuffer.
static void	R_Blur (r_framebuffer_t source, r_framebuffer_t dest, int tex, int dir)
	does 1D filter convolution to blur a framebuffer texture. dir=0 for horizontal, dir=1 for vertical
static void	R_BlurStack (int levels, r_framebuffer_t sources, r_framebuffer_t dests)
	blur from the source image pyramid into the dest image pyramid
void	R_DrawBloom (void)
	handle post-processing bloom
Variables
const float	STANDARD_3D_ZOOM
	Typical zoom to use in 3D geoscape to use same zoom values for both 2D and 3D geoscape.
const float	SKYBOX_DEPTH = -9999.0f
	Center position of skybox along z-axis. This is used to make sure we see only the inside of Skybox.
static const float	starFieldVerts []
static const float	starFieldTexCoords []

Detailed Description

Definition in file r_geoscape.c.

Define Documentation

#define MARKER_SIZE 60.0

Definition at line 33 of file r_geoscape.c.

Referenced by R_Draw2DMapMarkers(), and R_Draw3DMapMarkers().

#define SKYBOX_HALFSIZE 800.0f

Half size of Skybox.

Note:: The bigger, the less perspective default you'll have, but the more you'll zoom on the texture (and see it's default).

See also:: R_DrawStarfield; R_Setup2D

Definition at line 303 of file r_geoscape.c.

Referenced by R_Draw3DGlobe().

Function Documentation

static void R_Blur	(	r_framebuffer_t *	source,
		r_framebuffer_t *	dest,
		int	tex,
		int	dir
	)			`[static]`

does 1D filter convolution to blur a framebuffer texture. dir=0 for horizontal, dir=1 for vertical

Definition at line 685 of file r_geoscape.c.

References rstate_t::convolve_program, qfalse, qtrue, R_BindTextureForTexUnit(), R_DrawQuad(), R_EnableBlur(), r_state, R_UseViewport(), r_framebuffer_t::textures, and texunit_0.

Referenced by R_BlurStack(), and R_DrawBloom().

static void R_BlurStack	(	int	levels,
		r_framebuffer_t **	sources,
		r_framebuffer_t **	dests
	)			`[static]`

blur from the source image pyramid into the dest image pyramid

Definition at line 700 of file r_geoscape.c.

References rstate_t::combine2_program, default_program, i, R_BindTextureForTexUnit(), R_Blur(), R_DrawQuad(), r_state, R_UseFramebuffer(), R_UseProgram(), R_UseViewport(), texunit_0, and texunit_1.

Referenced by R_DrawBloom().

void R_Draw2DMapMarkers	(	const vec2_t	screenPos,
		float	direction,
		const char *	model,
		int	skin
	)

Draw 3D Marker on the 2D geoscape.

Parameters:

`[in]`	screenPos	Position on screenlongitude and latitude of the model to draw.
`[in]`	direction	angle giving the direction the model is heading toward.

Definition at line 169 of file r_geoscape.c.

References modelInfo_t::angles, modelInfo_t::center, Com_Printf(), f, MARKER_SIZE, modelInfo_t::model, modelInfo_t::name, modelInfo_t::origin, R_DrawModelDirect(), R_ModelAutoScale(), R_RegisterModelShort(), viddef_t::rx, viddef_t::ry, scale, modelInfo_t::skin, vec3_origin, VectorCopy, and viddef.

Referenced by MAP_Draw3DMarkerIfVisible().

void R_Draw3DGlobe	(	int	x,
		int	y,
		int	w,
		int	h,
		int	day,
		int	second,
		const vec3_t	rotate,
		float	zoom,
		const char *	map,
		qboolean	disableSolarRender,
		float	ambient,
		qboolean	overlayNation,
		qboolean	overlayXVI,
		qboolean	overlayRadar,
		image_t *	r_xviTexture,
		image_t *	r_radarTexture
	)

responsible for drawing the 3d globe on geoscape

Parameters:

`[in]`	x	menu node x position
`[in]`	y	menu node y position
`[in]`	w	menu node widht
`[in]`	h	menu node height
`[in]`	rotate	the rotate angle of the globe
`[in]`	zoom	the current globe zoon
`[in]`	map	the prefix of the map to use (image must be at base/pics/menu/<map>_[day\|night])

See also:: R_DrawFlatGeoscape; R_SphereGenerate

Todo:: Replace this magic number with some speaking constant

Definition at line 427 of file r_geoscape.c.

References rstate_t::atmosphere_program, sphere_s::blendScale, sphere_s::blendTexture, Com_Error(), DAYS_PER_YEAR, ERR_FATAL, f, rstate_t::geoscape_program, sphere_s::glowScale, sphere_s::glslProgram, int(), cvar_s::integer, it_pic, it_wrappic, rconfig_t::lodDir, m, sphere_s::nightLightPos, sphere_s::normalMap, sphere_s::overlay, sphere_s::overlayAlphaMask, r_config, R_DrawBuffers(), R_DrawStarfield(), R_DrawTexture(), R_FindImage(), R_FreeImage(), r_globeEarth, r_globeEarthAtmosphere, r_globeMoon, r_noTexture, r_postprocess, r_programs, R_SphereRender(), r_state, RotateCelestialBody(), viddef_t::rx, viddef_t::ry, sphere_s::season, SEASONS_PER_YEAR, SECONDS_PER_DAY, SIN_ALPHA, SKYBOX_HALFSIZE, STANDARD_3D_ZOOM, sun, image_s::texnum, sphere_s::texture, va(), Vector4Set, VectorCopy, VectorSet, and viddef.

Referenced by MAP_DrawMap().

void R_Draw3DMapMarkers	(	int	x,
		int	y,
		int	w,
		int	h,
		const vec3_t	rotate,
		const vec2_t	pos,
		float	direction,
		float	earthRadius,
		const char *	model,
		int	skin
	)

Draw 3D Marker on the 3D geoscape.

Parameters:

`[in]`	x	menu node x position
`[in]`	y	menu node y position
`[in]`	w	menu node widht
`[in]`	h	menu node height
`[in]`	rotate	vector giving the angles of earth rotation due to player view.
`[in]`	pos	longitude and latitude of the model to draw.
`[in]`	direction	angle giving the direction the model is heading toward.
`[in]`	earthRadius	Radius of earth on screen (this include zoom).

Definition at line 227 of file r_geoscape.c.

References modelInfo_t::angles, modelInfo_t::center, Com_Printf(), f, MARKER_SIZE, modelInfo_t::model, modelInfo_t::name, modelInfo_t::origin, R_DrawModelDirect(), R_ModelAutoScale(), R_RegisterModelShort(), viddef_t::rx, viddef_t::ry, scale, modelInfo_t::skin, vec3_origin, VectorCopy, and viddef.

Referenced by MAP_Draw3DMarkerIfVisible().

void R_DrawBloom ( void )

handle post-processing bloom

Definition at line 724 of file r_geoscape.c.

References rstate_t::buffers0, rstate_t::buffers1, rstate_t::buffers2, rstate_t::combine2_program, default_program, DOWNSAMPLE_PASSES, fbo_bloom0, fbo_bloom1, fbo_render, fbo_screen, rconfig_t::frameBufferObject, viddef_t::height, i, cvar_s::integer, R_BindTexture, R_BindTextureForTexUnit(), R_Blur(), R_BlurStack(), R_CheckError, r_config, R_DrawQuad(), R_EnableRenderbuffer(), r_postprocess, r_programs, R_RenderbufferEnabled(), r_state, R_UseFramebuffer(), R_UseProgram(), R_UseViewport(), SKYBOX_DEPTH, r_framebuffer_t::textures, texunit_0, texunit_1, viddef, and viddef_t::width.

Referenced by MAP_DrawMap(), and R_RenderFrame().

void R_DrawFlatGeoscape	(	int	x,
		int	y,
		int	w,
		int	h,
		float	p,
		float	cx,
		float	cy,
		float	iz,
		const char *	map,
		qboolean	overlayNation,
		qboolean	overlayXVI,
		qboolean	overlayRadar,
		image_t *	r_dayandnightTexture,
		image_t *	r_xviTexture,
		image_t *	r_radarTexture
	)

Draw the day and night images of a flat geoscape multitexture feature is used to blend the images.

See also:: R_Draw3DGlobe

Parameters:

`[in]`	map	The geoscape map to draw (can be changed in the campaign definition)
`[in]`	iz	The zoomlevel of the geoscape - see ccs.zoom
`[in]`	cx	The x texture coordinate
`[in]`	cy	The y texture coordinate
`[in]`	p	The horizontal shift of the night map
`[in]`	x	The x position of the geoscape node
`[in]`	y	The y position of the geoscape node
`[in]`	w	The width of the geoscape node
`[in]`	h	The height of the geoscape node

Definition at line 51 of file r_geoscape.c.

References Com_Error(), ERR_FATAL, it_wrappic, qfalse, qtrue, R_BindArray(), R_BindDefaultArray(), R_BindLightmapTexture(), R_BindTexture, R_EnableTexture(), R_FindImage(), r_noTexture, R_SelectTexture(), viddef_t::rx, viddef_t::ry, image_s::texnum, texunit_diffuse, texunit_lightmap, va(), and viddef.

Referenced by MAP_DrawMap().

static void R_DrawQuad ( void ) [inline, static]

Draw the current texture on a quad the size of the renderbuffer.

Definition at line 667 of file r_geoscape.c.

References fbo_render.

Referenced by R_Blur(), R_BlurStack(), and R_DrawBloom().

static void R_DrawStarfield	(	int	texnum,
		const vec3_t	pos,
		const vec3_t	rotate,
		float	p
	)			`[static]`

Bind and draw starfield.

Parameters:

[in] texnum The texture id (already uploaded of course)

Note:: We draw a skybox: the camera is inside a cube rotating at earth rotation speed (stars seems to rotate because we see earth as idle, but in reality stars are statics and earth rotate around itself)

See also:: R_Setup2D; R_Draw3DGlobe

< Angle of rotation of starfield

Definition at line 361 of file r_geoscape.c.

References PITCH, R_BindTexture, ROLL, SKYBOX_DEPTH, starFieldTexCoords, starFieldVerts, todeg, VectorSet, and YAW.

Referenced by R_Draw3DGlobe().

static void RotateCelestialBody	(	const vec4_t	v,
		vec4_t *	r,
		const vec3_t	rotate,
		const vec3_t	earthPos,
		const float	celestialDist
	)			`[inline, static]`

rotate a planet (sun or moon) with respect to the earth

Parameters:

`[in]`	v
`[out]`	r
	int]	rotate
	int]	earthPos
	int]	celestialDist

Definition at line 399 of file r_geoscape.c.

References PITCH, RotatePointAroundVector(), Vector4Set, VectorSet, and YAW.

Referenced by R_Draw3DGlobe().

Variable Documentation

const float SKYBOX_DEPTH = -9999.0f

Center position of skybox along z-axis. This is used to make sure we see only the inside of Skybox.

See also:: R_DrawStarfield; R_Setup2D

Definition at line 294 of file r_geoscape.c.

Referenced by R_DrawBloom(), R_DrawStarfield(), and R_Setup2D().

const float STANDARD_3D_ZOOM

Typical zoom to use in 3D geoscape to use same zoom values for both 2D and 3D geoscape.

Note:: Used to convert openGL coordinates of the sphere into screen coordinates

See also:: GLOBE_RADIUS

Definition at line 433 of file cp_map.c.

Referenced by R_Draw3DGlobe().

const float starFieldTexCoords[] [static]

Initial value:

 {
    0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0,
    0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0,
    0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0,
    0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0,
    0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0,
    0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0,
}

Definition at line 343 of file r_geoscape.c.

Referenced by R_DrawStarfield().

const float starFieldVerts[] [static]

Definition at line 305 of file r_geoscape.c.

Referenced by R_DrawStarfield().

r_geoscape.c File Reference

Defines

Functions

Variables

Detailed Description

Define Documentation

Function Documentation

Variable Documentation