/* Function: render_scene
Scene should be assembled here. TODO: rework
Parameters:
counter - pointer to snapshot's point counter
*/
void render_scene(float y, float p, Snapshot *snap, uint32_t *counter)
{
uint32_t i;
uint32_t cnt = *counter;
clear_zbuffer();
clear_img(CLEAR_COLOR);
yaw = y;
pitch = p;
compute_yp();
/* render here */
render_cloud(&cloud,0,0,0,1);
/* end */
for (i=0; i<WIDTH*HEIGHT; i++) {
if (img[i] != CLEAR_COLOR) {
snap->x[cnt] = shrink(Xbuf[i], shrink_val);
snap->y[cnt] = shrink(Ybuf[i], shrink_val);
snap->z[cnt] = shrink(Zbuf[i], shrink_val);
snap->nx[cnt] = NXbuf[i];
snap->ny[cnt] = NYbuf[i];
snap->nz[cnt] = NZbuf[i];
snap->sh[cnt] = SHbuf[i];
snap->c[cnt] = true2high(img[i]);
cnt++; }
}
*counter = cnt;
}
void render_clouds(CloudAttrib *attrib, int width, int height, float x, float y, float z, float rx, float ry, float fov, int ortho, int radius) {
int i;
if(!(ry > -0.444 || y > CLOUD_Y_HEIGHT)){
return;
}
float matrix[16];
set_matrix_3d(matrix, width, height, x, y, z, rx, ry, fov, ortho, radius);
glUseProgram(attrib->program);
glUniformMatrix4fv(attrib->matrix, 1, GL_FALSE, matrix);
glUniform3f(attrib->camera, x, y, z);
glUniform1i(attrib->sampler, 0);
glUniform1f(attrib->timer, attrib->time);
glUniform1i(attrib->skysampler, 2);
glBindBuffer(GL_ARRAY_BUFFER, weather->cloud_vertex_buffer);
glEnableVertexAttribArray(attrib->position);
glEnableVertexAttribArray(attrib->normal);
glEnableVertexAttribArray(attrib->colour);
glVertexAttribPointer(attrib->position, 3, GL_FLOAT, GL_FALSE,
sizeof(GLfloat) * 9, 0);
glVertexAttribPointer(attrib->normal, 3, GL_FLOAT, GL_FALSE,
sizeof(GLfloat) * 9, (GLvoid *)(sizeof(GLfloat) * 3));
glVertexAttribPointer(attrib->colour, 3, GL_FLOAT, GL_FALSE,
sizeof(GLfloat) * 9, (GLvoid *)(sizeof(GLfloat) * 6));
for(i=0; i<weather->cloud_count; i++){
if ((weather->clouds)[i]->render) {
render_cloud((weather->clouds)[i], attrib);
}
}
glDisableVertexAttribArray(attrib->position);
glDisableVertexAttribArray(attrib->normal);
glDisableVertexAttribArray(attrib->colour);
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
