void techroom_ships_render(float frametime)
{
// render all the common stuff
tech_common_render();
if(Cur_entry_index == -1)
return;
// now render the trackball ship, which is unique to the ships tab
float rev_rate = REVOLUTION_RATE;
angles rot_angles, view_angles;
int z, i, j;
ship_info *sip = &Ship_info[Cur_entry_index];
model_render_params render_info;
if (sip->uses_team_colors) {
render_info.set_team_color(sip->default_team_name, "none", 0, 0);
}
// get correct revolution rate
z = sip->flags;
if (z & SIF_BIG_SHIP) {
rev_rate *= 1.7f;
}
if (z & SIF_HUGE_SHIP) {
rev_rate *= 3.0f;
}
// rotate the ship as much as required for this frame
Techroom_ship_rot += PI2 * frametime / rev_rate;
while (Techroom_ship_rot > PI2){
Techroom_ship_rot -= PI2;
}
// reorient ship
if (Trackball_active) {
int dx, dy;
matrix mat1, mat2;
if (Trackball_active) {
mouse_get_delta(&dx, &dy);
if (dx || dy) {
vm_trackball(-dx, -dy, &mat1);
vm_matrix_x_matrix(&mat2, &mat1, &Techroom_ship_orient);
Techroom_ship_orient = mat2;
}
}
} else {
// setup stuff needed to render the ship
view_angles.p = -0.6f;
view_angles.b = 0.0f;
view_angles.h = 0.0f;
vm_angles_2_matrix(&Techroom_ship_orient, &view_angles);
rot_angles.p = 0.0f;
rot_angles.b = 0.0f;
rot_angles.h = Techroom_ship_rot;
vm_rotate_matrix_by_angles(&Techroom_ship_orient, &rot_angles);
}
gr_set_clip(Tech_ship_display_coords[gr_screen.res][SHIP_X_COORD], Tech_ship_display_coords[gr_screen.res][SHIP_Y_COORD], Tech_ship_display_coords[gr_screen.res][SHIP_W_COORD], Tech_ship_display_coords[gr_screen.res][SHIP_H_COORD], GR_RESIZE_MENU);
// render the ship
g3_start_frame(1);
g3_set_view_matrix(&sip->closeup_pos, &vmd_identity_matrix, sip->closeup_zoom * 1.3f);
// lighting for techroom
light_reset();
vec3d light_dir = vmd_zero_vector;
light_dir.xyz.y = 1.0f;
light_dir.xyz.x = 0.0000001f;
light_add_directional(&light_dir, 0.85f, 1.0f, 1.0f, 1.0f);
light_rotate_all();
// lighting for techroom
Glowpoint_use_depth_buffer = false;
model_clear_instance(Techroom_ship_modelnum);
render_info.set_detail_level_lock(0);
polymodel *pm = model_get(Techroom_ship_modelnum);
for (i = 0; i < sip->n_subsystems; i++) {
model_subsystem *msp = &sip->subsystems[i];
if (msp->type == SUBSYSTEM_TURRET) {
float p = 0.0f;
float h = 0.0f;
for (j = 0; j < msp->n_triggers; j++) {
// special case for turrets
p = msp->triggers[j].angle.xyz.x;
h = msp->triggers[j].angle.xyz.y;
}
if ( msp->subobj_num >= 0 ) {
model_set_instance_techroom(Techroom_ship_modelnum, msp->subobj_num, 0.0f, h );
}
if ( (msp->subobj_num != msp->turret_gun_sobj) && (msp->turret_gun_sobj >= 0) ) {
model_set_instance_techroom(Techroom_ship_modelnum, msp->turret_gun_sobj, p, 0.0f );
}
}
}
if(Cmdline_shadow_quality)
{
gr_reset_clip();
shadows_start_render(&Eye_matrix, &Eye_position, Proj_fov, gr_screen.clip_aspect, -sip->closeup_pos.xyz.z + pm->rad, -sip->closeup_pos.xyz.z + pm->rad + 200.0f, -sip->closeup_pos.xyz.z + pm->rad + 2000.0f, -sip->closeup_pos.xyz.z + pm->rad + 10000.0f);
render_info.set_flags(MR_NO_TEXTURING | MR_NO_LIGHTING | MR_AUTOCENTER);
model_render_immediate(&render_info, Techroom_ship_modelnum, &Techroom_ship_orient, &vmd_zero_vector);
shadows_end_render();
gr_set_clip(Tech_ship_display_coords[gr_screen.res][SHIP_X_COORD], Tech_ship_display_coords[gr_screen.res][SHIP_Y_COORD], Tech_ship_display_coords[gr_screen.res][SHIP_W_COORD], Tech_ship_display_coords[gr_screen.res][SHIP_H_COORD], GR_RESIZE_MENU);
}
if (!Cmdline_nohtl) {
gr_set_proj_matrix(Proj_fov, gr_screen.clip_aspect, Min_draw_distance, Max_draw_distance);
gr_set_view_matrix(&Eye_position, &Eye_matrix);
}
uint render_flags = MR_AUTOCENTER;
if(sip->flags2 & SIF2_NO_LIGHTING)
render_flags |= MR_NO_LIGHTING;
render_info.set_flags(render_flags);
model_render_immediate(&render_info, Techroom_ship_modelnum, &Techroom_ship_orient, &vmd_zero_vector);
Glowpoint_use_depth_buffer = true;
batch_render_all();
if (!Cmdline_nohtl)
{
gr_end_view_matrix();
gr_end_proj_matrix();
}
g3_end_frame();
gr_reset_clip();
}
void particle_render_all()
{
ubyte flags;
float pct_complete;
float alpha;
vertex pos;
vec3d ts, te, temp;
int rotate = 1;
int framenum, cur_frame;
bool render_batch = false;
int tmap_flags = TMAP_FLAG_TEXTURED | TMAP_HTL_3D_UNLIT | TMAP_FLAG_SOFT_QUAD;
if ( !Particles_enabled )
return;
MONITOR_INC( NumParticlesRend, Num_particles );
if ( Particles.empty() )
return;
for (SCP_vector<particle*>::iterator p = Particles.begin(); p != Particles.end(); ++p) {
particle* part = *p;
// skip back-facing particles (ripped from fullneb code)
// Wanderer - add support for attached particles
vec3d p_pos;
if (part->attached_objnum >= 0) {
vm_vec_unrotate(&p_pos, &part->pos, &Objects[part->attached_objnum].orient);
vm_vec_add2(&p_pos, &Objects[part->attached_objnum].pos);
} else {
p_pos = part->pos;
}
if ( vm_vec_dot_to_point(&Eye_matrix.vec.fvec, &Eye_position, &p_pos) <= 0.0f ) {
continue;
}
// calculate the alpha to draw at
alpha = get_current_alpha(&p_pos);
// if it's transparent then just skip it
if (alpha <= 0.0f) {
continue;
}
// make sure "rotate" is enabled for this particle
rotate = 1;
// if this is a tracer style particle, calculate tracer vectors
if (part->tracer_length > 0.0f) {
ts = p_pos;
temp = part->velocity;
vm_vec_normalize_quick(&temp);
vm_vec_scale_add(&te, &ts, &temp, part->tracer_length);
// don't bother rotating
rotate = 0;
}
// rotate the vertex
if (rotate) {
flags = g3_rotate_vertex( &pos, &p_pos );
if ( flags ) {
continue;
}
if (!Cmdline_nohtl)
g3_transfer_vertex(&pos, &p_pos);
}
// pct complete for the particle
pct_complete = part->age / part->max_life;
// figure out which frame we should be using
if (part->nframes > 1) {
framenum = fl2i(pct_complete * part->nframes + 0.5);
CLAMP(framenum, 0, part->nframes-1);
cur_frame = part->reverse ? (part->nframes - framenum - 1) : framenum;
} else {
cur_frame = 0;
}
if (part->type == PARTICLE_DEBUG) {
gr_set_color( 255, 0, 0 );
g3_draw_sphere_ez( &p_pos, part->radius );
} else {
framenum = part->optional_data;
Assert( cur_frame < part->nframes );
// if this is a tracer style particle
if (part->tracer_length > 0.0f) {
batch_add_laser( framenum + cur_frame, &ts, part->radius, &te, part->radius );
}
// draw as a regular bitmap
else {
batch_add_bitmap( framenum + cur_frame, tmap_flags, &pos, part->particle_index % 8, part->radius, alpha );
}
render_batch = true;
}
}
profile_begin("Batch Render");
if (render_batch) {
batch_render_all(Particle_buffer_object);
}
profile_end("Batch Render");
}
