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projectilelib.cpp
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#include <cstdlib>
#include "projectilelib.h"
#include "timerlib.h"
#include "classmap.h"
#include "character/character.h"
#include "collision_detection.h"
#include <cmath>
#include "soundlib.h"
extern soundLib soundManager;
extern timerLib timer;
extern CURRENT_FILE_FORMAT::file_game game_data;
#include "game.h"
extern game gameControl;
#define QUAKE_TIMER 20 // time between changing direction of screen movement in quake
extern FREEZE_EFFECT_TYPES freeze_weapon_effect;
extern int freeze_weapon_id;
#define FREEZE_DURATION 3500
#define LIGHTING_FRAMES_N 6
#define BOMB_RAIN_DELAY 1600
#define BOMB_RAIN_N 4
#define LIGHTING_START_DELAY 400
#define LARGE_BEAM_DELAY 20
#include "shareddata.h"
// ********************************************************************************************** //
// //
// ********************************************************************************************** //
projectile::projectile(Uint8 id, Uint8 set_direction, st_position set_position, bool owner_is_player, int owner_number) : _move_type(-1), is_reflected(false), status(0), _effect_timer(0), _effect_n(0), _points(1), _target_position(NULL), _weapon_id(0), _is_temporary(true)
{
set_default_values();
_id = id; // -1 is default projectile
owner = NULL;
_owner_is_player = owner_is_player;
_owner_number = owner_number;
position = set_position;
direction = set_direction;
original_direction = set_direction;
_size = get_size();
/// @TODO _ move this to game load
_speed = PROJECTILE_DEFAULT_SPEED * SharedData::get_instance()->get_movement_multiplier();
if (_id == -1) {
_size.width = 6;
_size.height = 6;
} else if (GameMediator::get_instance()->get_projectile(_id).speed > 0) {
_speed = GameMediator::get_instance()->get_projectile(_id).speed * SharedData::get_instance()->get_movement_multiplier();
}
hp = GameMediator::get_instance()->get_projectile(_id).hp;
_sin_x = 0;
animation_timer = timer.getTimer() + PROJECTILE_DEFAULT_ANIMATION_TIME; // used to control each frame duration
position.y -= _size.height/2;
_max_frames = get_surface()->width / _size.width;
max_frames_vertical = get_surface()->height / _size.height;
_move_type = get_trajectory();
//std::cout << "NEW PROJECTILE, type[" << (int)_move_type << "]" << std::endl;
if (_move_type == TRAJECTORY_BOMB) {
if (direction == ANIM_DIRECTION_LEFT) {
position.x -= 13;
} else {
position.x += 30;
}
}
if (_move_type == TRAJECTORY_ARC) {
position0.x = position.x;
position0.y = position.y;
_trajectory_parabola = trajectory_parabola(RES_W/3);
} else if (_move_type == TRAJECTORY_ARC_SMALL) {
position0.x = position.x;
position0.y = position.y;
} else if (_move_type == TRAJECTORY_ARC_TO_TARGET) {
position0.x = position.x;
} else if (_move_type == TRAJECTORY_SIN) {
position0.x = position.x;
position0.y = position.y;
} else if (_move_type == TRAJECTORY_QUAKE) {
_quake_info.timer = timer.getTimer() + QUAKE_TIMER;
soundManager.play_repeated_sfx(SFX_PLAYER_CHARGED_SHOT, 2);
} else if (_move_type == TRAJECTORY_FREEZE) {
_quake_info.timer = timer.getTimer() + FREEZE_DURATION;
if (_owner_is_player == true) {
freeze_weapon_effect = FREEZE_EFFECT_NPC;
} else {
freeze_weapon_effect = FREEZE_EFFECT_PLAYER;
}
freeze_weapon_id = _id;
graphLib.blink_screen(235, 235, 235);
draw_lib.set_flash_enabled(true);
} else if (_move_type == TRAJECTORY_PUSH_BACK) {
_effect_timer = timer.getTimer() + 2000;
} else if (_move_type == TRAJECTORY_PULL) {
_effect_timer = timer.getTimer() + 2000;
} else if (_move_type == TRAJECTORY_LASER) {
status = TRAJECTORY_LINEAR; // we use status as the real trajectory in laser
} else if (_move_type == TRAJECTORY_CENTERED) {
_points = 3;
} else if (_move_type == TRAJECTORY_RING) {
status = 0;
} else if (_move_type == TRAJECTORY_LIGHTING) {
status = 0;
_effect_n = 0;
position0.x = position.x;
position0.y = position.y;
int first_bottom_lock = gameControl.get_current_map_obj()->get_first_lock_on_bottom(position.x + get_size().width/2, -1);
position.y = 0;
_size.height = first_bottom_lock*TILESIZE + TILESIZE;
// add animation into the place it will appear
animation anim2(ANIMATION_STATIC, &graphLib.water_splash, st_float_position(position0.x, first_bottom_lock*TILESIZE), st_position(0, -8), 80, 2, direction, st_size(32, 23), gameControl.get_current_map_obj()->get_map_scrolling_ref());
gameControl.get_current_map_obj()->add_animation(anim2);
lighting_timer = timer.getTimer()+LIGHTING_START_DELAY;
} else if (_move_type == TRAJECTORY_SPIRAL) {
angle = 360;
position0.x = position.x;
position0.y = position.y;
_speed_x = 0;
} else if (_move_type == TRAJECTORY_BOUNCING) {
position0.x = position.x;
position0.y = position.y;
_gravity = -0.2;
_dist_y = 0;
} else if (_move_type == TRAJECTORY_INVERSE_LINEAR) {
int map_scroll_x = gameControl.get_current_map_obj()->getMapScrolling().x;
int abs_pos_x = position.x - map_scroll_x;
if (direction == ANIM_DIRECTION_LEFT) {
int scroll_diff_x = abs_pos_x - RES_W;
direction = ANIM_DIRECTION_RIGHT;
position.x -= abs_pos_x;
} else {
int scroll_diff_x = RES_W - abs_pos_x;
direction = ANIM_DIRECTION_LEFT;
position.x += scroll_diff_x;
}
_move_type = TRAJECTORY_LINEAR;
} else if (_move_type == TRAJECTORY_BOMB_RAIN) {
status_timer = timer.getTimer();
position0.x = RES_W/BOMB_RAIN_N * status + gameControl.get_current_map_obj()->getMapScrolling().x + TILESIZE;
if (direction == ANIM_DIRECTION_LEFT) {
position0.x = RES_W - (RES_W/BOMB_RAIN_N * status) + gameControl.get_current_map_obj()->getMapScrolling().x - TILESIZE;
}
} else if (_move_type == TRAJECTORY_LARGE_BEAM) {
frame_w = _size.width/3;
status = 0;
status_timer = timer.getTimer() + LARGE_BEAM_DELAY;
if (direction == ANIM_DIRECTION_LEFT) {
position.x -= frame_w*2;
}
} else if (_move_type == TRAJECTORY_FALL_AND_SEEK) {
frame_w = GameMediator::get_instance()->get_projectile(_id).size.width;
} else if (_move_type == TRAJECTORY_DOWN) {
position0.x = position.x;
position0.y = position.y;
direction = ANIM_DIRECTION_DOWN;
} else if (_move_type == TRAJECTORY_UP) {
position0.x = position.x;
position0.y = position.y;
direction = ANIM_DIRECTION_UP;
} else {
position0.x = position.x;
position0.y = position.y;
}
//_target_distance = 0;
_effect_timer = timer.getTimer() + 3600;
animation_pos = 0;
diagonal_flag = false;
angle = 0;
radius = 0;
_owner_direction = 0;
is_reflected = false;
_change_direction_counter = 0;
_chain_width = 0;
// for size, use getsize
// for speed, use get_speed
// for damage, use get_damage
// for trajectory, get_trajectory
_speed_x = 8;
_accel_x = 0.95;
}
void projectile::set_is_permanent()
{
_is_temporary = false;
}
void projectile::set_default_values()
{
_owner_position = NULL;
is_finished = false;
move_timer = 0;
move_delay = 10;
}
// ********************************************************************************************** //
// //
// ********************************************************************************************** //
projectile::~projectile()
{
}
st_size projectile::get_size() const
{
if (_id == -1) {
return st_size(6, 6);
} else if (_move_type == TRAJECTORY_RING) {
// depends on current frame
Uint8 w = _size.width;
Uint8 h = (_size.height/_max_frames) * animation_pos;
return st_size(w, h);
} else if (_move_type == TRAJECTORY_LARGE_BEAM) {
return st_size(frame_w * (2+status), _size.height);
}
return GameMediator::get_instance()->get_projectile(_id).size;
}
void projectile::move_ahead(st_float_size &moved)
{
//std::cout << "PROJECTILE::move_ahead.direction[" << (int)direction << "]" << std::endl;
if (direction == ANIM_DIRECTION_UP || direction == ANIM_DIRECTION_UP_LEFT || direction == ANIM_DIRECTION_UP_RIGHT) {
position.y -= get_speed();
moved.height -= get_speed();
}
if (direction == ANIM_DIRECTION_DOWN || direction == ANIM_DIRECTION_DOWN_LEFT || direction == ANIM_DIRECTION_DOWN_RIGHT) {
position.y += get_speed();
moved.height += get_speed();
}
if (direction == ANIM_DIRECTION_LEFT || direction == ANIM_DIRECTION_DOWN_LEFT || direction == ANIM_DIRECTION_UP_LEFT) {
position.x -= get_speed();
moved.width -= get_speed();
}
if (direction == ANIM_DIRECTION_RIGHT || direction == ANIM_DIRECTION_DOWN_RIGHT || direction == ANIM_DIRECTION_UP_RIGHT) {
position.x += get_speed();
moved.width += get_speed();
}
}
void projectile::position_to_ground()
{
// change y until the projectile reachs ground
while ((position.y + get_surface()->height/2) < RES_H) {
int lock = gameControl.get_current_map_obj()->getMapPointLock(st_position(position.x/TILESIZE, (position.y + get_surface()->height/2)/TILESIZE)); //map->map_tiles.tiles[position.x/TILESIZE][position.y/TILESIZE].locked;
if (lock != TERRAIN_UNBLOCKED && lock != TERRAIN_WATER) {
return;
}
position.y++;
}
}
void projectile::set_direction_from_xyinc(int xinc, int yinc)
{
if (_change_direction_counter > 1) { // avoid too often changes in direction animation
_change_direction_counter = 0;
} else {
return;
}
_change_direction_counter++;
if (yinc > 0) {
if (xinc > 0) {
direction = ANIM_DIRECTION_DOWN_RIGHT;
} else if (xinc < 0) {
direction = ANIM_DIRECTION_DOWN_LEFT;
} else {
direction = ANIM_DIRECTION_DOWN;
}
} else if (yinc < 0) {
if (xinc > 0) {
direction = ANIM_DIRECTION_UP_RIGHT;
} else if (xinc < 0) {
direction = ANIM_DIRECTION_UP_LEFT;
} else {
direction = ANIM_DIRECTION_UP;
}
} else { // yinc equals zero
if (xinc > 0) {
direction = ANIM_DIRECTION_RIGHT;
} else {
direction = ANIM_DIRECTION_LEFT;
}
}
}
void projectile::set_direction_from_targetpos(int middle_tolerance)
{
if (_target_position->y < position.y+_size.height/2-middle_tolerance) { // target above
if (_target_position->x+_size.width/2 > position.x) {
direction = ANIM_DIRECTION_UP_RIGHT;
} else if (_target_position->x+_size.width/2 < position.x) {
direction = ANIM_DIRECTION_UP_LEFT;
} else {
direction = ANIM_DIRECTION_UP;
}
} else if (_target_position->y > position.y+_size.height/2+middle_tolerance) { // target under
if (_target_position->x+_size.width/2 > position.x) {
direction = ANIM_DIRECTION_DOWN_RIGHT;
} else if (_target_position->x+_size.width/2 < position.x) {
direction = ANIM_DIRECTION_DOWN_LEFT;
} else {
direction = ANIM_DIRECTION_DOWN;
}
} else { // target on same line
if (_target_position->x+_size.width/2 > position.x) {
direction = ANIM_DIRECTION_RIGHT;
} else {
direction = ANIM_DIRECTION_LEFT;
}
}
}
void projectile::inc_zigzag_status()
{
status++;
if (status > hp) {
std::cout << "PROJECTILE::inc_zigzag_status - FINISH, status[" << (int)status << "], hp[" << hp << "]" << std::endl;
is_finished = true;
} else {
std::cout << "PROJECTILE::inc_zigzag_status - INVERT direction" << std::endl;
direction = !direction;
}
}
Uint8 projectile::get_speed() const
{
return _speed;
}
Uint8 projectile::get_damage() const
{
if (_id == -1) {
return PROJECTILE_DEFAULT_DAMAGE;
}
if ((get_trajectory() == TRAJECTORY_BOMB || get_trajectory() == TRAJECTORY_FALL_BOMB) && _effect_n == 0) {
return 0;
}
if (GameMediator::get_instance()->get_projectile(_id).damage <= 0) {
return PROJECTILE_DEFAULT_DAMAGE;
}
return GameMediator::get_instance()->get_projectile(_id).damage;
}
Uint8 projectile::get_trajectory() const
{
if (_id == -1) {
return TRAJECTORY_LINEAR;
}
return GameMediator::get_instance()->get_projectile(_id).trajectory;
}
Uint8 projectile::get_vanishes_on_hit() const
{
return GameMediator::get_instance()->get_projectile(_id).vanishes_on_hit;
}
void projectile::set_trajectory(short new_trajectory)
{
_move_type = new_trajectory;
}
void projectile::set_target_position(st_float_position *pos)
{
_target_position = pos;
if (_target_position == NULL && _move_type == TRAJECTORY_FOLLOW) { // if a follow projectile could not find any target, act as zig-zag
std::cout << "PROJECTILE::set_target_pos - transform into ZIGZAG #1" << std::endl;
_move_type = TRAJECTORY_ZIGZAG;
} else if (_target_position != NULL && _move_type == TRAJECTORY_TARGET_DIRECTION) { // change type to be the best one to hit player
// three position (diagonal up, left/right or diagonal down)
if (_target_position->y < position.y-TILESIZE*2) {
_move_type = TRAJECTORY_DIAGONAL_UP;
} else if (_target_position->y > position.y+TILESIZE*2) {
_move_type = TRAJECTORY_DIAGONAL_DOWN;
} else {
_move_type = TRAJECTORY_LINEAR;
_diagonal_speed.y = 0;
}
set_direction_from_targetpos(TILESIZE*2);
} else if (_target_position != NULL && _move_type == TRAJECTORY_TARGET_EXACT) {
_diagonal_speed.x = get_speed();
if (_target_position->x <= position.x) {
direction = ANIM_DIRECTION_LEFT;
} else {
direction = ANIM_DIRECTION_RIGHT;
}
int dist_x = _target_position->x - position.x;
int dist_y = _target_position->y + TILESIZE - position.y;
_diagonal_speed.y = (_diagonal_speed.x * dist_y) / dist_x;
if (dist_x < 0) {
_diagonal_speed.y = _diagonal_speed.y * -1;
}
//std::cout << ">>>>>>>>> direction[" << (int)direction << "], diagonal_speed.x[" << _diagonal_speed.x << "], diagonal_speed.y[" << _diagonal_speed.y << "], dist_x[" << dist_x << "], position.x[" << position.x << "], _target_position->x[" << _target_position->x << "]" << std::endl;
//std::cout << ">>>>>>>>> dist_y[" << dist_y << "], position.y[" << position.y << "], _target_position->y[" << _target_position->y << "]" << std::endl;
_max_frames = get_surface()->width / _size.width;
if (_max_frames < 1) {
_max_frames = 1;
}
graphLib.initSurface(st_size(_size.width*_max_frames, _size.height), &rotated_surface);
int temp_direction = direction;
direction = ANIM_DIRECTION_LEFT;
graphLib.copyArea(st_rectangle(0, 0, _size.width*_max_frames, _size.height), st_position(0, 0), get_surface(), &rotated_surface);
direction = temp_direction;
if (_max_frames < 2) {
// calculate angle and set image
angle = (float) atan2(abs(dist_y), (float) abs(dist_x));
angle = (360*angle)/6.28;
// TODO: generate an image from the region, not the whole picture
// TARGET to the LEFT
if (dist_x < 0) {
if (dist_y < 0) {
angle *= -1;
}
// if target is to the left, we need to "flip" image
// TARGET to the RIGHT
} else {
angle += 180;
if (dist_y > 0) {
angle *= -1;
}
}
if (angle != 0.0) {
graphLib.rotate_image(rotated_surface, angle);
}
}
} else if (_target_position != NULL && _move_type == TRAJECTORY_ARC_TO_TARGET) {
_trajectory_parabola = trajectory_parabola(_target_position->x - position.x);
position0.y = position.y;
_was_parabola_set = true;
}
}
graphicsLib_gSurface *projectile::get_surface()
{
// only use left/right, ignore other directions
int temp_direction = 0;
if (direction != ANIM_DIRECTION_LEFT) {
temp_direction = 1;
}
if (_id == -1) {
if (graphLib.projectile_surface[0].surface[temp_direction].get_surface() == NULL) {
graphLib.show_debug_msg("projectile surface error #1");
}
return &graphLib.projectile_surface[0].surface[temp_direction];
} else {
if (graphLib.projectile_surface[_id].surface[temp_direction].get_surface() == NULL) {
graphLib.show_debug_msg("projectile surface error #2");
}
return &graphLib.projectile_surface[_id].surface[temp_direction];
}
}
void projectile::inc_status()
{
status++;
}
st_rectangle projectile::get_area()
{
if (_move_type == TRAJECTORY_LIGHTING && lighting_timer > timer.getTimer()) {
return st_rectangle(-RES_W*2, -RES_H*2, 0, 0);
}
return st_rectangle(position.x, position.y, _size.width, _size.height);
}
short projectile::get_max_shots()
{
return GameMediator::get_instance()->get_projectile(_id).max_shots;
}
short projectile::get_id()
{
return _id;
}
void projectile::play_sfx(bool called_from_npc)
{
std::string projectile_sfx(GameMediator::get_instance()->get_projectile(_id).sfx_filename);
if (projectile_sfx.length() > 0) {
//Mix_Chunk* sfx = GameMediator::get_instance()->get_sfx(projectile_sfx);
//soundManager.play_sfx_from_chunk(sfx, 1);
soundManager.play_sfx_from_file(projectile_sfx, 1);
} else if (called_from_npc == false) { // game enemies should not play default fire sound
soundManager.play_sfx(SFX_PLAYER_SHOT);
}
}
st_float_position projectile::get_position()
{
return position;
}
st_float_size projectile::move() {
st_float_size moved;
if (is_finished) {
return st_float_size(0, 0);
}
if (move_timer >= timer.getTimer()) {
return st_float_size(0, 0);
}
move_timer = timer.getTimer()+ move_delay;
if (_move_type == TRAJECTORY_LINEAR || _move_type == TRAJECTORY_DIAGONAL_UP || _move_type == TRAJECTORY_DIAGONAL_DOWN || _move_type == TRAJECTORY_RING) {
move_ahead(moved);
if (_move_type == TRAJECTORY_DIAGONAL_UP) {
position.y -= get_speed();
moved.height -= get_speed();
} else if (_move_type == TRAJECTORY_DIAGONAL_DOWN) {
position.y += get_speed();
moved.height += get_speed();
}
} else if (_move_type == TRAJECTORY_SLASH) {
// follow owner position
if (_owner_position != NULL) {
if (direction == ANIM_DIRECTION_LEFT) {
position.x = _owner_position->x - 20;
position.y = _owner_position->y + 6;
} else {
position.x = _owner_position->x + 20;
position.y = _owner_position->y + 6;
}
if (_owner_direction != NULL) {
short temp = (*_owner_direction);
direction = *_owner_direction;
}
}
} else if (_move_type == TRAJECTORY_TARGET_DIRECTION) {
move_ahead(moved);
} else if (_move_type == TRAJECTORY_TARGET_EXACT) {
if (direction == ANIM_DIRECTION_LEFT) {
position.x -= _diagonal_speed.x;
} else {
position.x += _diagonal_speed.x;
}
position.y += _diagonal_speed.y;
//std::cout << "PROJECTILE::MOVE #1 - pos[" << position.x << "][" << position.y << "], speed[" << _diagonal_speed.x << "][" << _diagonal_speed.y << "]" << std::endl;
} else if (_move_type == TRAJECTORY_ARC) {
if (position.y < _size.height || position.y > RES_H) {
is_finished = true;
return st_float_size(0, 0);
}
move_ahead(moved);
position.y = position0.y - _trajectory_parabola.get_y_point(abs(position.x - position0.x));
} else if (_move_type == TRAJECTORY_ARC_SMALL) {
if (position.y < _size.height || position.y > RES_H) {
is_finished = true;
return st_float_size(0, 0);
}
if (_speed_x > 0) {
if (direction == ANIM_DIRECTION_LEFT || direction == ANIM_DIRECTION_DOWN_LEFT || direction == ANIM_DIRECTION_UP_LEFT) {
position.x -= _speed_x;
moved.width -= _speed_x;
} else {
position.x += _speed_x;
moved.width += _speed_x;
}
_speed_x -= _accel_x;
if (_speed_x < 0) {
_speed_x = 0;
}
}
position.y += get_speed();
} else if (_move_type == TRAJECTORY_ARC_TO_TARGET) {
if (_was_parabola_set == false) {
int temp_target_x = position.x + RES_W/2 - TILESIZE*3;
if (direction == ANIM_DIRECTION_LEFT) {
temp_target_x = position.x - RES_W/2 + TILESIZE*2;
}
_trajectory_parabola = trajectory_parabola(temp_target_x - position.x);
position0.y = position.y;
_was_parabola_set = true;
} else {
move_ahead(moved);
position.y = position0.y - _trajectory_parabola.get_y_point(abs(position.x - position0.x));
}
} else if (_move_type == TRAJECTORY_SIN) {
_sin_x += 0.12;
float sin_value = (TILESIZE*3)*sin(_sin_x);
position.y = position0.y + sin_value;
move_ahead(moved);
} else if (_move_type == TRAJECTORY_BOMB) {
if (_effect_n == 0 && (status > 0 || _effect_timer < timer.getTimer())) {
transform_into_explosion();
} else if (_effect_n == 1 && _effect_timer < timer.getTimer()) {
is_finished = true;
}
// do nothing, it is a bomb, it just stays until explodes
} else if (_move_type == TRAJECTORY_CHAIN) {
if (_owner_position != NULL) {
//std::cout << "MOVE[CHAIN] - owner.x[" << (int)_owner_position->x << "], owner.direction[" << (int)*_owner_direction << "], owner_is_player[" << _owner_is_player << "]" << std::endl;
if (_owner_direction != NULL) {
direction = *_owner_direction;
}
if (_owner_is_player == true) {
position.x = _owner_position->x + 5;
position.y = _owner_position->y + 14;
if (direction == ANIM_DIRECTION_RIGHT) {
position.x += TILESIZE;
}
} else {
CURRENT_FILE_FORMAT::file_npc_v3_1_2* npc_ref = GameMediator::get_instance()->get_enemy(_owner_number);
if (direction == ANIM_DIRECTION_LEFT) {
position.x = _owner_position->x + npc_ref->attack_arm_pos.x;
} else {
position.x = _owner_position->x - npc_ref->attack_arm_pos.x;
}
position.y = _owner_position->y + npc_ref->attack_arm_pos.y;
}
}
if (status == 0) { // increasing
_chain_width += get_speed();
if (_chain_width > _size.width) {
status = 1;
}
} else { // returning
_chain_width -= get_speed();
if (_chain_width <= 0) {
is_finished = true;
}
}
} else if (_move_type == TRAJECTORY_QUAKE) { // shake the screen
if (_quake_info.timer < timer.getTimer()) {
if (_quake_info.counter1 == 1) {
_quake_info.counter1 = 2;
graphLib.set_screen_adjust(st_position(-QUAKE_SCREEN_MOVE, 0));
} else {
_quake_info.counter1 = 1;
graphLib.set_screen_adjust(st_position(QUAKE_SCREEN_MOVE, 0));
}
_quake_info.counter2++;
if (_quake_info.counter2 > 50) {
_quake_info.counter1 = 0;
graphLib.set_screen_adjust(st_position(0, 0));
is_finished = true;
}
_quake_info.timer = timer.getTimer() + QUAKE_TIMER;
}
} else if (_move_type == TRAJECTORY_FREEZE) {
if (_quake_info.timer < timer.getTimer()) {
freeze_weapon_effect = FREEZE_EFFECT_NONE;
draw_lib.set_flash_enabled(false);
is_finished = true;
}
} else if (_move_type == TRAJECTORY_CENTERED) {
if (_owner_position != NULL) {
position.x = _owner_position->x - 15;
position.y = _owner_position->y - 10;
if (_owner_direction != NULL) {
direction = *_owner_direction;
}
// after some time, change to linear
if (status > 0 || _effect_timer < timer.getTimer()) {
_move_type = TRAJECTORY_LINEAR;
}
}
} else if (_move_type == TRAJECTORY_ZIGZAG) {
move_ahead(moved);
if (original_direction != direction) {
if (direction == ANIM_DIRECTION_LEFT && position.x <= position0.x) {
inc_zigzag_status();
}
}
if (check_map_collision(st_position(moved.width, moved.height)) == true) {
inc_zigzag_status();
}
} else if (_move_type == TRAJECTORY_AHEAD_AND_BACK) {
move_ahead(moved);
if (original_direction != direction) {
if (direction == ANIM_DIRECTION_LEFT && position.x <= position0.x) {
inc_zigzag_status();
} else if (direction == ANIM_DIRECTION_RIGHT && position.x >= position0.x) {
inc_zigzag_status();
}
}
if (check_map_collision(st_position(moved.width, moved.height)) == true) {
inc_zigzag_status();
}
} else if (_move_type == TRAJECTORY_FOLLOW && _target_position != NULL) {
int xinc = 0;
int yinc = 0;
if (_target_position->x > position.x) {
xinc = get_speed();
} else if (_target_position->x < position.x) {
xinc = -get_speed();
}
if (_target_position->y > position.y) {
yinc = get_speed();
} else if (_target_position->y < position.y) {
yinc = -get_speed();
}
position.x += xinc;
moved.width += xinc;
position.y += yinc;
moved.height += yinc;
set_direction_from_xyinc(xinc, yinc); // change frame type depending on xinc/yinc
} else if (_move_type == TRAJECTORY_FOLLOW && _target_position == NULL) {
std::cout << "PROJECTILE::set_target_pos - transform into ZIGZAG #2" << std::endl;
_move_type = TRAJECTORY_ZIGZAG;
} else if ((_move_type == TRAJECTORY_TARGET_DIRECTION || _move_type == TRAJECTORY_TARGET_EXACT) && _target_position == NULL) { // if do not have a target, act as linear
//std::cout << "PROJECTILE::MOVE #2 - pos[" << position.x << "][" << position.y << "]" << std::endl;
move_ahead(moved);
} else if (_move_type == TRAJECTORY_PROGRESSIVE) { // move a bit each time the animation is reset
if (animation_pos == 0) {
position_to_ground();
move_ahead(moved);
}
// gravity
} else if (_move_type == TRAJECTORY_FALL_BOMB) {
if (_effect_n == 0) {
position.y += get_speed();
// check if hit ground
int point_lock = gameControl.get_current_map_obj()->getMapPointLock(st_position(position.x/TILESIZE, position.y/TILESIZE));
int first_bottom_lock = gameControl.get_current_map_obj()->get_first_lock_on_bottom(position.x + get_size().width/2, -1);
if ((position.y > first_bottom_lock*TILESIZE || position.y > RES_H-TILESIZE) && point_lock != TERRAIN_WATER && point_lock != TERRAIN_UNBLOCKED) { // hit ground, lets change to explosion
/// morph into a bigger explosion
_points = 5000;
_effect_timer = timer.getTimer()+1600;
_size.width = 56;
_size.height = 56;
position.x -= 28;
position.y -= 48;
_max_frames = get_surface()->width / _size.width;
_effect_n++;
soundManager.play_repeated_sfx(SFX_BIG_EXPLOSION, 1);
}
} else if (_effect_n == 1 && _effect_timer < timer.getTimer()) {
is_finished = true;
}
} else if (_move_type == TRAJECTORY_LASER) {
move_ahead(moved);
if (status == TRAJECTORY_DIAGONAL_UP) {
position.y -= get_speed();
moved.height -= get_speed();
} else if (status == TRAJECTORY_DIAGONAL_DOWN) {
position.y += get_speed();
moved.height += get_speed();
}
// check for collisions to change direction
bool collisionX = check_map_collision(st_position(moved.width, 0));
bool collisionY = check_map_collision(st_position(moved.width, moved.height));
if (collisionX == true || collisionY == true) {
if (_effect_n == 5) { // destroy if rebouncing for the fourth time
is_finished = true;
} else { // rebounce
_effect_n++;
if (status == TRAJECTORY_LINEAR) {
status = TRAJECTORY_DIAGONAL_UP;
direction = !direction;
// only change trajectory if hit on top/down, otherwise just change direction
} else if (status == TRAJECTORY_DIAGONAL_UP && collisionX == false) {
status = TRAJECTORY_DIAGONAL_DOWN;
} else if (status == TRAJECTORY_DIAGONAL_DOWN && collisionX == false) {
status = TRAJECTORY_DIAGONAL_UP;
} else {
direction = !direction;
}
}
}
} else if (_move_type == TRAJECTORY_PUSH_BACK) {
// execution will be handled by move_projectiles() in player/npc classes, only control duration
if (timer.getTimer() > _effect_timer) {
is_finished = true;
}
} else if (_move_type == TRAJECTORY_PULL) {
// execution will be handled by move_projectiles() in player/npc classes, only control duration
if (timer.getTimer() > _effect_timer) {
is_finished = true;
}
} else if (_move_type == TRAJECTORY_LIGHTING) {
if (lighting_timer < timer.getTimer()) {
if (_effect_n > LIGHTING_FRAMES_N) {
play_sfx(false);
if (direction == ANIM_DIRECTION_LEFT) {
position.x -= RES_W/3;
} else {
position.x += RES_W/3;
}
int first_bottom_lock = gameControl.get_current_map_obj()->get_first_lock_on_bottom(position.x + get_size().width/2, -1);
_size.height = first_bottom_lock*TILESIZE + TILESIZE;
_effect_n = 0;
status = 0;
if (status > 3) {
finish();
} else {
animation anim2(ANIMATION_STATIC, &graphLib.water_splash, st_float_position(position.x, _size.height-TILESIZE), st_position(0, -8), 80, 2, direction, st_size(32, 23), gameControl.get_current_map_obj()->get_map_scrolling_ref());
gameControl.get_current_map_obj()->add_animation(anim2);
lighting_timer = timer.getTimer()+LIGHTING_START_DELAY;
}
}
}
} else if (_move_type == TRAJECTORY_SPIRAL) {
angle -= _speed;
if (angle <= 0) {
angle = 360;
}
if (_speed/3 > 0.3) {
_speed_x += _speed/3;
} else {
_speed_x += 0.3;
}
if (_speed_x <= 0) { // prevent zero-speed
_speed_x = 0.3;
}
//position.y += 0.5;
float rad_angle = (angle * 3.1459)/180;
position.x = _speed_x * cos(rad_angle) + position0.x;
position.y = _speed_x * sin(rad_angle) + position0.y;
//std::cout << "PROJECTILE::TRAJECTORY_SPIRAL - _speed_x[" << _speed_x << "], x[" << position.x << "], y[" << position.y << "]" << std::endl;
} else if (_move_type == TRAJECTORY_BOUNCING) {
// @TODO: bounce condition is hitting ground
int moved_x = 0;
if (direction == ANIM_DIRECTION_LEFT) {
moved_x -= _speed;
} else {
moved_x += _speed;
}
position.x += moved_x;
// check if hit ground
if (check_map_collision(st_position(moved_x, 0)) == false) { // hit ground, bounce
position.y -= _dist_y;
if (_dist_y < TILESIZE-2) {
_dist_y += _gravity;
}
} else {
position.y -= abs(_dist_y);
// first bounce must be stronger
if (status == 0) {
_dist_y *= -1.5;
status++;
} else {
_dist_y *= -0.6;
}
if (fabs(_dist_y) < 0.01) {
_dist_y = 0;
}
}
} else if (_move_type == TRAJECTORY_DOUBLE_LINEAR || _move_type == TRAJECTORY_DOUBLE_DIAGONAL) {
if (owner == NULL || is_finished == true) {
is_finished = true;
return st_float_size(0, 0);
}
// @TODO: calc the X position given the direction owner is facing and his projectile-origin
st_position proj_pos_left = owner->get_attack_position(ANIM_DIRECTION_LEFT);
st_position proj_pos_right = owner->get_attack_position(ANIM_DIRECTION_RIGHT);
if (_move_type == TRAJECTORY_DOUBLE_LINEAR) {
owner->add_projectile(_id, proj_pos_left, TRAJECTORY_LINEAR, ANIM_DIRECTION_LEFT);
owner->add_projectile(_id, proj_pos_right, TRAJECTORY_LINEAR, ANIM_DIRECTION_RIGHT);
} else {
int trajectory = TRAJECTORY_DIAGONAL_UP;
// @TODO: compare target position (create method get target in character class)
if (owner->getPosition().y < RES_H/2) {
trajectory = TRAJECTORY_DIAGONAL_DOWN;
}
owner->add_projectile(_id, proj_pos_left, trajectory, ANIM_DIRECTION_LEFT);
owner->add_projectile(_id, proj_pos_right, trajectory, ANIM_DIRECTION_RIGHT);
}
is_finished = true;
} else if (_move_type == TRAJECTORY_BOMB_RAIN) {
if (owner == NULL || is_finished == true) {
is_finished = true;
return st_float_size(0, 0);
}
if (status_timer < timer.getTimer()) {
// make the projectile owner to add new one into its list
st_position new_proj_pos;
new_proj_pos.x = (RES_W-TILESIZE*2)/BOMB_RAIN_N * status + position0.x;
if (direction == ANIM_DIRECTION_LEFT) {
new_proj_pos.x = position0.x - ((RES_W-TILESIZE*2)/BOMB_RAIN_N * status);
}
// adds same type to get properties and graphics, but chances trajectory for a different type
owner->add_projectile(_id, new_proj_pos, TRAJECTORY_FALL_BOMB, direction);
status_timer = timer.getTimer() + BOMB_RAIN_DELAY;
status++;
if (status > BOMB_RAIN_N) {
is_finished = true;
}
}
} else if (_move_type == TRAJECTORY_LARGE_BEAM) {
if (status_timer < timer.getTimer()) {
status_timer = timer.getTimer() + LARGE_BEAM_DELAY;
status++;
if (direction == ANIM_DIRECTION_LEFT) {
position.x -= frame_w;
}
if (status > RES_W/frame_w) {
is_finished = true;
}
}
} else if (_move_type == TRAJECTORY_FALL_AND_SEEK) {
if (status == 0) {
position.y += get_speed()/2;
// check if hit ground
int point_lock = gameControl.get_current_map_obj()->getMapPointLock(st_position(position.x/TILESIZE, (position.y+TILESIZE)/TILESIZE));
if (point_lock != TERRAIN_WATER && point_lock != TERRAIN_UNBLOCKED) { // hit ground, lets change to explosion
status++;
}
} else {
if (direction == ANIM_DIRECTION_LEFT) {
position.x -= get_speed();
} else {
position.x += get_speed();
}
}
} else if (_move_type == TRAJECTORY_DOWN) {
position.y += get_speed();
if (position.y > RES_H + TILESIZE) {
is_finished = true;
}
} else if (_move_type == TRAJECTORY_UP) {
position.y -= get_speed();
if (position.y > -TILESIZE) {
is_finished = true;
}
} else {
is_finished = true;
}
update_real_position();
// check out of screen
if (_move_type != TRAJECTORY_FREEZE && _move_type != TRAJECTORY_QUAKE) { // special effect weapons can work out of screen
if (realPosition.x > RES_W+TILESIZE*2 || realPosition.x < 0-TILESIZE*2 || realPosition.y > RES_H+TILESIZE*2 || realPosition.y < 0-+TILESIZE*2) {
is_finished = true;
}
}
return moved;
}
void projectile::update_real_position()
{
realPosition.x = position.x - gameControl.get_current_map_obj()->getMapScrolling().x;
realPosition.y = position.y - gameControl.get_current_map_obj()->getMapScrolling().y;
}
void projectile::draw() {
if (is_finished) {
return;
}
if ((_move_type == TRAJECTORY_BOMB || _move_type == TRAJECTORY_FALL_BOMB) && _effect_n == 1) {
graphLib.draw_explosion(realPosition);
return;