void game_draw(struct game_draw *gd, int pose, float t)
{
float fov = (float) config_get_d(CONFIG_VIEW_FOV);
if (gd->jump_b) fov *= 2.f * fabsf(gd->jump_dt - 0.5f);
if (gd->state)
{
const struct game_view *view = &gd->view;
struct s_rend rend;
gd->draw.shadow_ui = 0;
game_shadow_conf(pose, 1);
sol_draw_enable(&rend);
video_push_persp(fov, 0.1f, FAR_DIST);
glPushMatrix();
{
float T[16], U[16], M[16], v[3];
/* Compute direct and reflected view bases. */
v[0] = +view->p[0];
v[1] = -view->p[1];
v[2] = +view->p[2];
video_calc_view(T, view->c, view->p, view->e[1]);
video_calc_view(U, view->c, v, view->e[1]);
m_xps(M, T);
/* Apply the current view. */
v_sub(v, view->c, view->p);
glTranslatef(0.f, 0.f, -v_len(v));
glMultMatrixf(M);
glTranslatef(-view->c[0], -view->c[1], -view->c[2]);
/* Draw the background. */
game_draw_back(&rend, gd, pose, +1, t);
/* Draw the reflection. */
if (gd->draw.reflective && config_get_d(CONFIG_REFLECTION))
{
glEnable(GL_STENCIL_TEST);
{
/* Draw the mirrors only into the stencil buffer. */
glStencilFunc(GL_ALWAYS, 1, 0xFFFFFFFF);
glStencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE);
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
glDepthMask(GL_FALSE);
game_refl_all(&rend, gd);
glDepthMask(GL_TRUE);
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
glStencilFunc(GL_EQUAL, 1, 0xFFFFFFFF);
/* Draw the scene reflected into color and depth buffers. */
glFrontFace(GL_CW);
glPushMatrix();
{
glScalef(+1.0f, -1.0f, +1.0f);
game_draw_light(gd, -1);
game_draw_back(&rend, gd, pose, -1, t);
game_draw_fore(&rend, gd, pose, U, -1, t);
}
glPopMatrix();
glFrontFace(GL_CCW);
glStencilFunc(GL_ALWAYS, 0, 0xFFFFFFFF);
}
glDisable(GL_STENCIL_TEST);
}
/* Ready the lights for foreground rendering. */
game_draw_light(gd, 1);
/* When reflection is disabled, mirrors must be rendered opaque */
/* to prevent the background from showing. */
if (gd->draw.reflective && !config_get_d(CONFIG_REFLECTION))
{
sol_color_mtrl(&rend, 1);
{
glColor4f(0.0f, 0.0f, 0.0f, 1.0f);
game_refl_all(&rend, gd);
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
}
sol_color_mtrl(&rend, 0);
}
/* Draw the mirrors and the rest of the foreground. */
game_refl_all (&rend, gd);
game_draw_fore(&rend, gd, pose, T, +1, t);
}
glPopMatrix();
video_pop_matrix();
/* Draw the fade overlay. */
sol_fade(&gd->draw, &rend, gd->fade_k);
sol_draw_disable(&rend);
game_shadow_conf(pose, 0);
}
}
void game_draw(int pose, float t)
{
const float light_p[4] = { 8.f, 32.f, 8.f, 0.f };
struct s_draw *fp = &file.draw;
struct s_rend rend;
float fov = FOV;
if (!state)
return;
fp->shadow_ui = ball;
game_shadow_conf(1);
sol_draw_enable(&rend);
if (jump_b) fov *= 2.0f * fabsf(jump_dt - 0.5f);
video_push_persp(fov, 0.1f, FAR_DIST);
glPushMatrix();
{
float T[16], M[16], v[3], c[3];
/* In VR, move the view center up to keep the viewer level. */
v_cpy(c, view_c);
if (hmd_stat())
c[1] += view_dy;
video_calc_view(T, c, view_p, view_e[1]);
m_xps(M, T);
v_sub(v, c, view_p);
glTranslatef(0.f, 0.f, -v_len(v));
glMultMatrixf(M);
glTranslatef(-c[0], -c[1], -c[2]);
/* Center the skybox about the position of the camera. */
glPushMatrix();
{
glTranslatef(view_p[0], view_p[1], view_p[2]);
back_draw(&rend);
}
glPopMatrix();
glEnable(GL_LIGHT0);
glLightfv(GL_LIGHT0, GL_POSITION, light_p);
/* Draw the floor. */
sol_draw(fp, &rend, 0, 1);
/* Draw the game elements. */
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
if (pose == 0)
{
game_draw_balls(&rend, fp->vary, T, t);
game_draw_vect(&rend, fp->vary);
}
glDisable(GL_LIGHTING);
glDepthMask(GL_FALSE);
{
game_draw_flags(&rend, fp->base);
game_draw_beams(&rend, fp->base, fp->vary);
}
glDepthMask(GL_TRUE);
glEnable(GL_LIGHTING);
}
glPopMatrix();
video_pop_matrix();
sol_draw_disable(&rend);
game_shadow_conf(0);
}
void game_draw(int pose, float t)
{
const float light_p[4] = { 8.f, 32.f, 8.f, 0.f };
struct s_draw *fp = &file.draw;
struct s_rend rend;
float fov = FOV;
if (!state)
return;
fp->shadow_ui = ball;
game_shadow_conf(1);
sol_draw_enable(&rend);
if (jump_b) fov *= 2.0f * fabsf(jump_dt - 0.5f);
video_push_persp(fov, 0.1f, FAR_DIST);
glPushMatrix();
{
float T[16], M[16], v[3], rx, ry;
m_view(T, view_c, view_p, view_e[1]);
m_xps(M, T);
v_sub(v, view_c, view_p);
rx = V_DEG(fatan2f(-v[1], fsqrtf(v[0] * v[0] + v[2] * v[2])));
ry = V_DEG(fatan2f(+v[0], -v[2]));
glTranslatef(0.f, 0.f, -v_len(v));
glMultMatrixf(M);
glTranslatef(-view_c[0], -view_c[1], -view_c[2]);
/* Center the skybox about the position of the camera. */
glPushMatrix();
{
glTranslatef(view_p[0], view_p[1], view_p[2]);
back_draw(&rend, 0);
}
glPopMatrix();
glEnable(GL_LIGHT0);
glLightfv(GL_LIGHT0, GL_POSITION, light_p);
/* Draw the floor. */
sol_draw(fp, &rend, 0, 1);
/* Draw the game elements. */
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
if (pose == 0)
{
game_draw_balls(&rend, fp->vary, T, t);
game_draw_vect(&rend, fp->vary);
}
glDisable(GL_LIGHTING);
glDepthMask(GL_FALSE);
{
game_draw_goals(&rend, fp->base);
game_draw_jumps(&rend, fp->base);
game_draw_swchs(&rend, fp->vary);
}
glDepthMask(GL_TRUE);
glEnable(GL_LIGHTING);
}
glPopMatrix();
video_pop_matrix();
sol_draw_disable(&rend);
game_shadow_conf(0);
}
