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Cursor in ZooM

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This commit is contained in:
Simon Robertshaw 2011-11-08 12:35:07 +00:00
parent bc2b5e7945
commit c983de144d
3 changed files with 73 additions and 58 deletions
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4
includes/graphics.h
View File

@ -174,6 +174,10 @@ void blend_line(pixel *vid, int x1, int y1, int x2, int y2, int r, int g, int b,
void render_parts(pixel *vid);
#ifdef OGLR
void draw_parts_fbo();
#endif
void draw_parts(pixel *vid);
void draw_walls(pixel *vid);

121
src/graphics.c
View File

@ -2511,55 +2511,61 @@ void render_parts(pixel *vid)
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
//Drawing the FBO onto the screen sounds like a cool idea now
glEnable( GL_TEXTURE_2D );
if(cmode==CM_FANCY)
{
float xres = XRES, yres = YRES;
glUseProgram(lensProg);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, partsFboTex);
glUniform1i(glGetUniformLocation(lensProg, "pTex"), 0);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, partsTFX);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, XRES, YRES, GL_RED, GL_FLOAT, gravxf);
glUniform1i(glGetUniformLocation(lensProg, "tfX"), 1);
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_2D, partsTFY);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, XRES, YRES, GL_GREEN, GL_FLOAT, gravyf);
glUniform1i(glGetUniformLocation(lensProg, "tfY"), 2);
glActiveTexture(GL_TEXTURE0);
glUniform1fv(glGetUniformLocation(lensProg, "xres"), 1, &xres);
glUniform1fv(glGetUniformLocation(lensProg, "yres"), 1, &yres);
}
else
{
glBindTexture(GL_TEXTURE_2D, partsFboTex);
glBlendFunc(GL_ONE, GL_ONE);
}
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glBegin(GL_QUADS);
glTexCoord2d(1, 0);
glVertex3f(XRES*sdl_scale, (YRES+MENUSIZE)*sdl_scale, 1.0);
glTexCoord2d(0, 0);
glVertex3f(0, (YRES+MENUSIZE)*sdl_scale, 1.0);
glTexCoord2d(0, 1);
glVertex3f(0, MENUSIZE*sdl_scale, 1.0);
glTexCoord2d(1, 1);
glVertex3f(XRES*sdl_scale, MENUSIZE*sdl_scale, 1.0);
glEnd();
if(cmode==CM_FANCY)
{
glUseProgram(0);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
glDisable( GL_TEXTURE_2D );
glBlendFunc(origBlendSrc, origBlendDst);
#endif
}
#ifdef OGLR
void draw_parts_fbo()
{
glEnable( GL_TEXTURE_2D );
if(cmode==CM_FANCY)
{
float xres = XRES, yres = YRES;
glUseProgram(lensProg);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, partsFboTex);
glUniform1i(glGetUniformLocation(lensProg, "pTex"), 0);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, partsTFX);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, XRES, YRES, GL_RED, GL_FLOAT, gravxf);
glUniform1i(glGetUniformLocation(lensProg, "tfX"), 1);
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_2D, partsTFY);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, XRES, YRES, GL_GREEN, GL_FLOAT, gravyf);
glUniform1i(glGetUniformLocation(lensProg, "tfY"), 2);
glActiveTexture(GL_TEXTURE0);
glUniform1fv(glGetUniformLocation(lensProg, "xres"), 1, &xres);
glUniform1fv(glGetUniformLocation(lensProg, "yres"), 1, &yres);
}
else
{
glBindTexture(GL_TEXTURE_2D, partsFboTex);
glBlendFunc(GL_ONE, GL_ONE);
}
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glBegin(GL_QUADS);
glTexCoord2d(1, 0);
glVertex3f(XRES*sdl_scale, (YRES+MENUSIZE)*sdl_scale, 1.0);
glTexCoord2d(0, 0);
glVertex3f(0, (YRES+MENUSIZE)*sdl_scale, 1.0);
glTexCoord2d(0, 1);
glVertex3f(0, MENUSIZE*sdl_scale, 1.0);
glTexCoord2d(1, 1);
glVertex3f(XRES*sdl_scale, MENUSIZE*sdl_scale, 1.0);
glEnd();
if(cmode==CM_FANCY)
{
glUseProgram(0);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
glDisable( GL_TEXTURE_2D );
}
#endif
void draw_walls(pixel *vid)
{
int x, y, i, j, cr, cg, cb;
@ -3251,7 +3257,7 @@ void render_zoom(pixel *img) //draws the zoom box
glGetIntegerv(GL_BLEND_SRC, &origBlendSrc);
glGetIntegerv(GL_BLEND_DST, &origBlendDst);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glBlendFunc(GL_ONE, GL_ZERO);
glEnable( GL_TEXTURE_2D );
//glReadBuffer(GL_AUX0);
@ -3271,7 +3277,7 @@ void render_zoom(pixel *img) //draws the zoom box
glBindTexture(GL_TEXTURE_2D, 0);
glDisable( GL_TEXTURE_2D );
glBlendFunc(origBlendSrc, origBlendDst);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glLineWidth(sdl_scale);
glEnable(GL_LINE_SMOOTH);
@ -3314,6 +3320,7 @@ void render_zoom(pixel *img) //draws the zoom box
glDisable(GL_COLOR_LOGIC_OP);
}
glLineWidth(1);
glBlendFunc(origBlendSrc, origBlendDst);
#else
int x, y, i, j;
pixel pix;
@ -3630,6 +3637,7 @@ void render_cursor(pixel *vid, int x, int y, int t, int rx, int ry)
int i;
if (t<PT_NUM||(t&0xFF)==PT_LIFE||t==SPC_AIR||t==SPC_HEAT||t==SPC_COOL||t==SPC_VACUUM||t==SPC_WIND||t==SPC_PGRV||t==SPC_NGRV)
{
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, partsFbo);
glEnable(GL_COLOR_LOGIC_OP);
glLogicOp(GL_XOR);
glBegin(GL_LINE_LOOP);
@ -3640,29 +3648,30 @@ void render_cursor(pixel *vid, int x, int y, int t, int rx, int ry)
rx *= sdl_scale;
if (CURRENT_BRUSH==SQUARE_BRUSH)
{
glVertex2f(x-rx+1, ((YRES+MENUSIZE)*sdl_scale-y)-ry+1);
glVertex2f(x+rx+1, ((YRES+MENUSIZE)*sdl_scale-y)-ry+1);
glVertex2f(x+rx+1, ((YRES+MENUSIZE)*sdl_scale-y)+ry+1);
glVertex2f(x-rx+1, ((YRES+MENUSIZE)*sdl_scale-y)+ry+1);
glVertex2f(x-rx+1, ((YRES+MENUSIZE)*sdl_scale-y)-ry+1);
glVertex2f(x-rx+1, (/*(YRES+MENUSIZE)*sdl_scale-*/y)-ry+1);
glVertex2f(x+rx+1, (/*(YRES+MENUSIZE)*sdl_scale-*/y)-ry+1);
glVertex2f(x+rx+1, (/*(YRES+MENUSIZE)*sdl_scale-*/y)+ry+1);
glVertex2f(x-rx+1, (/*(YRES+MENUSIZE)*sdl_scale-*/y)+ry+1);
glVertex2f(x-rx+1, (/*(YRES+MENUSIZE)*sdl_scale-*/y)-ry+1);
}
else if (CURRENT_BRUSH==CIRCLE_BRUSH)
{
for (i = 0; i < 360; i++)
{
float degInRad = i*(M_PI/180.0f);
glVertex2f((cos(degInRad)*rx)+x, (sin(degInRad)*ry)+(YRES+MENUSIZE)*sdl_scale-y);
glVertex2f((cos(degInRad)*rx)+x, (sin(degInRad)*ry)+/*(YRES+MENUSIZE)*sdl_scale-*/y);
}
}
else if (CURRENT_BRUSH==TRI_BRUSH)
{
glVertex2f(x+1, ((YRES+MENUSIZE)*sdl_scale-y)+ry+1);
glVertex2f(x+rx+1, ((YRES+MENUSIZE)*sdl_scale-y)-ry+1);
glVertex2f(x-rx+1, ((YRES+MENUSIZE)*sdl_scale-y)-ry+1);
glVertex2f(x+1, ((YRES+MENUSIZE)*sdl_scale-y)+ry+1);
glVertex2f(x+1, (/*(YRES+MENUSIZE)*sdl_scale-*/y)+ry+1);
glVertex2f(x+rx+1, (/*(YRES+MENUSIZE)*sdl_scale-*/y)-ry+1);
glVertex2f(x-rx+1, (/*(YRES+MENUSIZE)*sdl_scale-*/y)-ry+1);
glVertex2f(x+1, (/*(YRES+MENUSIZE)*sdl_scale-*/y)+ry+1);
}
glEnd();
glDisable(GL_COLOR_LOGIC_OP);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
}
#else
int i,j,c;

4
src/main.c
View File

@ -3399,7 +3399,9 @@ int main(int argc, char *argv[])
mousex = mx/sdl_scale;
mousey = my/sdl_scale;
}
#ifdef OGLR
draw_parts_fbo();
#endif
if (zoom_en)
render_zoom(vid_buf);