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Gravity lensing

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This commit is contained in:
Simon Robertshaw 2012-08-09 01:17:01 +01:00
parent bb99efdedf
commit 3bdfd510b2
2 changed files with 26 additions and 4 deletions
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27
src/graphics/Renderer.cpp
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@ -42,6 +42,13 @@ void Renderer::RenderBegin()
{
std::copy(persistentVid, persistentVid+(VIDXRES*YRES), vid);
}
pixel * oldVid;
if(display_mode & DISPLAY_WARP)
{
oldVid = vid;
vid = warpVid;
std::fill(warpVid, warpVid+(VIDXRES*VIDYRES), 0);
}
#endif
draw_air();
draw_grav();
@ -69,6 +76,12 @@ void Renderer::RenderBegin()
DrawWalls();
draw_grav_zones();
DrawSigns();
#ifndef OGLR
if(display_mode & DISPLAY_WARP)
{
vid = oldVid;
}
#endif
#ifndef OGLR
FinaliseParts();
#endif
@ -292,9 +305,16 @@ void Renderer::FinaliseParts()
}
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDisable( GL_TEXTURE_2D );
#elif defined(OGLI)
#endif
#if defined(OGLI) && !defined(OGLR)
render_gravlensing(warpVid);
g->draw_image(vid, 0, 0, VIDXRES, VIDYRES, 255);
#endif
#if !defined(OGLR) && !defined(OGLI)
render_gravlensing(warpVid);
#endif
}
void Renderer::RenderZoom()
@ -775,13 +795,13 @@ void Renderer::DrawSigns()
#endif
}
void Renderer::render_gravlensing()
void Renderer::render_gravlensing(pixel * source)
{
#ifndef OGLR
int nx, ny, rx, ry, gx, gy, bx, by, co;
int r, g, b;
pixel t;
pixel *src = vid;
pixel *src = source;
pixel *dst = vid;
for(nx = 0; nx < XRES; nx++)
{
@ -2171,6 +2191,7 @@ Renderer::Renderer(Graphics * g, Simulation * sim):
vid = g->vid;
#endif
persistentVid = new pixel[VIDXRES*YRES];
warpVid = new pixel[VIDXRES*VIDYRES];
#endif
memset(fire_r, 0, sizeof(fire_r));

3
src/graphics/Renderer.h
View File

@ -66,7 +66,7 @@ public:
void RenderZoom();
void DrawWalls();
void DrawSigns();
void render_gravlensing();
void render_gravlensing(pixel * source);
void render_fire();
void prepare_alpha(int size, float intensity);
void render_parts();
@ -88,6 +88,7 @@ public:
#else
pixel * vid;
pixel * persistentVid;
pixel * warpVid;
void blendpixel(int x, int y, int r, int g, int b, int a);
void addpixel(int x, int y, int r, int g, int b, int a);