C++ bm_release函数代码示例

void techroom_unload_animation()
{
	int i;

	//clear everything, just in case, it will get loaded when needed later
	if (Weapon_list != NULL) {
		for (i = 0; i < Weapon_list_size; i++) {
			if (Weapon_list[i].animation.num_frames != 0) {
				generic_anim_unload(&Weapon_list[i].animation);
			}

			if (Weapon_list[i].bitmap >= 0) {
				bm_release(Weapon_list[i].bitmap);
				Weapon_list[i].bitmap = -1;
			}
		}
	}

	for (i = 0; i < Intel_list_size; i++) {
		if (Intel_list[i].animation.num_frames != 0) {
			generic_anim_unload(&Intel_list[i].animation);
		}

		if (Intel_list[i].bitmap >= 0) {
			bm_release(Intel_list[i].bitmap);
			Intel_list[i].bitmap = -1;
		}
	}
}

void generic_anim_unload(generic_anim *ga)
{
	if(ga->num_frames > 0) {
		if(ga->streaming) {
			if(ga->type == BM_TYPE_ANI) {
				anim_free(ga->ani.animation);
				free_anim_instance(ga->ani.instance);
			}
			if(ga->type == BM_TYPE_EFF) {
				if(ga->eff.next_frame >= 0) 
					bm_release(ga->eff.next_frame);
				if(ga->bitmap_id >= 0)
					bm_release(ga->bitmap_id);
			}
			if(ga->type == BM_TYPE_PNG) {
				if(ga->bitmap_id >= 0)
					bm_release(ga->bitmap_id);
				if (ga->png.anim != nullptr) {
					delete ga->png.anim;
					ga->png.anim = nullptr;
				}
			}
		}
		else {
			//trying to release the first frame will release ALL frames
			bm_release(ga->first_frame);
		}
		if(ga->buffer) {
			bm_release(ga->bitmap_id);
		}
	}
	generic_anim_init(ga, NULL);
}

// -----------------------------------------------------------------------------
void barracks_close()
{
	// destroy window
	Ui_window.destroy();

	// release background bitmap
	if (Background_bitmap >= 0) {
		bm_release(Background_bitmap);
	}	

	// release rank pip bitmaps
	bm_release(Rank_pips_bitmaps);	

	// release pilot pic bitmaps
	for (int i=0; i<Num_pilot_images; i++) {
		if (Pilot_images[i] >= 0) {
			bm_release(Pilot_images[i]);
		}
	}

	if(Stat_labels != NULL)
	{
		delete[] Stat_labels;
		Stat_labels = NULL;
	}
	if(Stats != NULL)
	{
		delete[] Stats;
		Stats = NULL;
	}

	game_flush();
}

void chatbox_close()
{
	if (!Chatbox_created)
		return;

	// destory the UI window
	Chat_window.destroy();

	// unload any bitmaps
	if (Chatbox_small_bitmap != -1) {
		bm_release(Chatbox_small_bitmap);
		Chatbox_small_bitmap = -1;
	}

	if (Chatbox_big_bitmap != -1) {
		bm_release(Chatbox_big_bitmap);
		Chatbox_big_bitmap = -1;
	}

	if (Chatbox_mp_bitmap != -1) {
		bm_release(Chatbox_mp_bitmap);
		Chatbox_mp_bitmap = -1;
	}	

	// clear all the text lines in the
	chatbox_clear();
	Chatbox_created = 0;
}

// reset the player infomation for this popup
void multi_pinfo_reset_player(net_player *np)
{	
	// assign the player
	Multi_pinfo_popup_player = np;

	// unload any old image data if necessary
	strcpy_s(Mp_pilot.filename, "");
	if(Mp_pilot.bitmap != -1){
		bm_release(Mp_pilot.bitmap);
		Mp_pilot.bitmap = -1;
	}
	strcpy_s(Mp_squad.filename, "");
	if(Mp_squad.bitmap != -1){
		bm_release(Mp_squad.bitmap);
		Mp_squad.bitmap = -1;
	}	
	
	// try and load pilot pic/squad logo
	if(np->m_player->image_filename[0] != '\0'){
		strcpy_s(Mp_pilot.filename, np->m_player->image_filename);
		Mp_pilot.bitmap = bm_load_duplicate(Mp_pilot.filename);
	}
	if(np->m_player->m_squad_filename[0] != '\0'){
		strcpy_s(Mp_squad.filename, np->m_player->m_squad_filename);
		Mp_squad.bitmap = bm_load_duplicate(Mp_squad.filename);
	}

	// build the stats value strings for this player
	multi_pinfo_build_stats();
}

void techroom_lists_reset()
{
	int i;

	//unload the current animation, we load another one for the new current entry
	if(Tab != SHIPS_DATA_TAB)
		techroom_unload_animation();

	Current_list = NULL;
	Current_list_size = 0;

	model_free_all();

	if (Ship_list != NULL) {
		delete[] Ship_list;
		Ship_list = NULL;
	}

	Ship_list_size = 0;
	Ships_loaded = 0;

	if (Weapon_list != NULL) {
		for (i = 0; i < Weapon_list_size; i++) {
			if (Weapon_list[i].animation.num_frames != 0) {
				generic_anim_unload(&Weapon_list[i].animation);
			}

			if (Weapon_list[i].bitmap >= 0) {
				bm_release(Weapon_list[i].bitmap);
				Weapon_list[i].bitmap = -1;
			}
		}

		delete[] Weapon_list;
		Weapon_list = NULL;
	}

	Weapon_list_size = 0;
	Weapons_loaded = 0;

	for (i = 0; i < Intel_list_size; i++) {
		if (Intel_list[i].animation.num_frames != 0) {
			generic_anim_unload(&Intel_list[i].animation);
		}

		if (Intel_list[i].bitmap >= 0) {
			bm_release(Intel_list[i].bitmap);
			Intel_list[i].bitmap = -1;
		}
	}

	Intel_list_size = 0;
	Intel_loaded = 0;
}

// cleanup called when exiting the show goals screen
void ML_objectives_close()
{
	if (Goal_complete_bitmap >= 0) {
		bm_release(Goal_complete_bitmap);
	}
	
	if (Goal_incomplete_bitmap >= 0) {
		bm_release(Goal_incomplete_bitmap);
	}
	
	if (Goal_failed_bitmap >= 0) {
		bm_release(Goal_failed_bitmap);
	}
}

// close the pause screen
void pause_close()
{
	// if we're not paused - do nothing
	if ( !Paused ) {
		return;
	}

	Assert( !(Game_mode & GM_MULTIPLAYER) );

	// unpause all weapon sounds
	weapon_unpause_sounds();

	// deinit stuff
	if(Pause_saved_screen != -1) {
		gr_free_screen(Pause_saved_screen);
		Pause_saved_screen = -1;
	}

	if (Pause_background_bitmap != -1){
		bm_release(Pause_background_bitmap);
		Pause_background_bitmap = -1;
	}

	Pause_win.destroy();		
	game_flush();

	// unpause all the music
	audiostream_unpause_all();		

	Paused = 0;
}

// close
void fiction_viewer_close()
{
	if (!Fiction_viewer_inited)
		return;
	
	// free the fiction
	fiction_viewer_reset();

	// destroy the window
	Fiction_viewer_window.destroy();

	// restore the old font
	use_std_font();

	// free the bitmap
	if (Fiction_viewer_bitmap >= 0)
		bm_release(Fiction_viewer_bitmap);
	Fiction_viewer_bitmap = -1;

	// maybe stop music
	if (Mission_music[SCORE_FICTION_VIEWER] != Mission_music[SCORE_BRIEFING])
		common_music_close();
	
	game_flush();

	Fiction_viewer_inited = 0;
}

// ------------------------------------------------------------------------------------
// shockwave_level_close()
//
//  Call at the close of each level (mission)
//
void shockwave_level_close()
{
	if ( !Shockwave_inited )
		return;

	shockwave_delete_all();
	
	uint i;

	// unload default shockwave, and erase all others
	for (i = 0; i < Shockwave_info.size(); i++) {
		if ( !i ) {
			if (Shockwave_info[i].bitmap_id >= 0)
				bm_unload( Shockwave_info[i].bitmap_id );
			else if (Shockwave_info[i].model_id >= 0)
				model_page_out_textures( Shockwave_info[i].model_id );

			continue;
		}

		if (Shockwave_info[i].bitmap_id >= 0)
			bm_release( Shockwave_info[i].bitmap_id );

		if (Shockwave_info[i].model_id >= 0)
			model_unload( Shockwave_info[i].model_id );

		Shockwave_info.erase( Shockwave_info.begin() + i );
	}

	Shockwave_inited = 0;
}

// shutdown nebula stuff
void neb2_level_close()
{
	int idx;

	// standalone servers can bail here
	if (Game_mode & GM_STANDALONE_SERVER) {
		return;
	}

	// if the mission is not a fullneb mission, skip
	if ( !((The_mission.flags[Mission::Mission_Flags::Fullneb]) || Nebula_sexp_used) ) {
		return;
	}

	// unload all nebula bitmaps
	for (idx=0; idx<Neb2_poof_count; idx++) {
		if (Neb2_poofs[idx] >= 0) {
			bm_release(Neb2_poofs[idx]);
			Neb2_poofs[idx] = -1;
		}
	}

	// unflag the mission as being fullneb so stuff doesn't fog in the techdata room :D
    The_mission.flags.remove(Mission::Mission_Flags::Fullneb);

	if (Neb2_htl_fog_data) {
		delete[] Neb2_htl_fog_data;
		Neb2_htl_fog_data = NULL;
	}
}

void cutscenes_screen_close()
{
	if (Background_bitmap)
		bm_release(Background_bitmap);

	Ui_window.destroy();
}

void cmd_brief_close()
{
	int i;

	if (Cmd_brief_inited) {
		cmd_brief_stop_anim();
		generic_anim_unload(&Cur_Anim);
		for (i=0; i<Cur_cmd_brief->num_stages; i++) {
			if (Cur_cmd_brief->stage[i].wave >= 0)
				audiostream_close_file(Cur_cmd_brief->stage[i].wave, 0);

		}

		// so that the same ani will reload properly upon return
		Cur_anim_filename = "~~~~";

		if (Cmd_brief_background_bitmap >= 0)
			bm_release(Cmd_brief_background_bitmap);

		// unload the overlay bitmap
		help_overlay_unload(CMD_BRIEF_OVERLAY);

		Ui_window.destroy();

		game_flush();
		Cmd_brief_inited = 0;
	}

	// Stop any speech from running over
	fsspeech_stop();
}

// close
void loop_brief_close()
{
	// this makes sure that we're all cool no matter how the user decides to exit
	mission_campaign_mission_over();

	// free the bitmap
	if (Loop_brief_bitmap >= 0){
		bm_release(Loop_brief_bitmap);
	}		
	Loop_brief_bitmap = -1;

	// destroy the window
	Loop_brief_window.destroy();

	if (Loop_anim.num_frames > 0)
	{
		generic_anim_unload(&Loop_anim);
	}

	// stop voice
	if(Loop_sound != -1){
		audiostream_stop(Loop_sound, 1, 0);
		audiostream_close_file(Loop_sound, 1);
		Loop_sound = -1;
	}

	fsspeech_stop();

	// stop music
	common_music_close();
}

void UI_DOT_SLIDER::destroy()
{
	// release ani frames for the dots.
	bm_release(first_frame);

	UI_GADGET::destroy();
}