1 package ru
.deadsoftware
.cavedroid
.game
;
3 import com
.badlogic
.gdx
.math
.Intersector
;
4 import com
.badlogic
.gdx
.math
.MathUtils
;
5 import com
.badlogic
.gdx
.math
.Rectangle
;
6 import com
.badlogic
.gdx
.math
.Vector2
;
7 import ru
.deadsoftware
.cavedroid
.MainConfig
;
8 import ru
.deadsoftware
.cavedroid
.game
.mobs
.Mob
;
9 import ru
.deadsoftware
.cavedroid
.game
.mobs
.MobsController
;
10 import ru
.deadsoftware
.cavedroid
.game
.mobs
.Player
;
11 import ru
.deadsoftware
.cavedroid
.game
.objects
.Drop
;
12 import ru
.deadsoftware
.cavedroid
.game
.objects
.DropController
;
13 import ru
.deadsoftware
.cavedroid
.game
.world
.GameWorld
;
15 import javax
.inject
.Inject
;
16 import java
.util
.Iterator
;
20 public class GamePhysics
{
22 public static final float PL_SPEED
= 69.072f;
23 public static final float PL_JUMP_VELOCITY
= -133.332f;
24 public static final float PL_TERMINAL_VELOCITY
= 1254.4f;
26 private final Vector2 gravity
= new Vector2(0, 444.44f);
28 private final GameWorld mGameWorld
;
29 private final MainConfig mMainConfig
;
30 private final MobsController mMobsController
;
31 private final DropController mDropController
;
34 public GamePhysics(GameWorld gameWorld
,
35 MainConfig mainConfig
,
36 MobsController mobsController
,
37 DropController dropController
) {
38 mGameWorld
= gameWorld
;
39 mMainConfig
= mainConfig
;
40 mMobsController
= mobsController
;
41 mDropController
= dropController
;
45 * Checks if mob should jump
47 * @return true if mob should jump
49 private boolean checkJump(Mob mob
) {
50 int dir
= mob
.looksLeft() ?
0 : 1;
51 int blX
= (int) (mob
.getX() + mob
.getWidth() * dir
- 8 + 16 * dir
);
52 int blY
= (int) (mob
.getY() + mob
.getHeight() - 8);
53 int block
= mGameWorld
.getForeMap(blX
/ 16, blY
/ 16);
55 if (checkColl(new Rectangle(blX
, mob
.getY() - 18, mob
.getWidth(), mob
.getHeight()))) {
59 return (block
> 0 && GameItems
.getBlock(block
).toJump() &&
60 (mob
.getY() + mob
.getHeight()) - GameItems
.getBlock(block
).getRectangle(blX
/ 16, blY
/ 16).y
> 8);
63 private boolean checkColl(Rectangle rect
) {
64 int minX
= (int) ((rect
.x
+ rect
.width
/ 2) / 16) - 4;
65 int minY
= (int) ((rect
.y
+ rect
.height
/ 2) / 16) - 4;
66 int maxX
= (int) ((rect
.x
+ rect
.width
/ 2) / 16) + 4;
67 int maxY
= (int) ((rect
.y
+ rect
.height
/ 2) / 16) + 4;
73 if (maxY
> mGameWorld
.getHeight()) {
74 maxY
= mGameWorld
.getHeight();
78 for (int y
= minY
; y
< maxY
; y
++) {
79 for (int x
= minX
; x
< maxX
; x
++) {
80 block
= mGameWorld
.getForeMap(x
, y
);
81 if (block
> 0 && GameItems
.getBlock(block
).hasCollision()) {
82 if (Intersector
.overlaps(rect
, GameItems
.getBlock(block
).getRectangle(x
, y
))) {
92 private int getBlock(Rectangle rect
) {
93 return mGameWorld
.getForeMap((int) (rect
.x
+ rect
.width
/ 2) / 16,
94 (int) (rect
.y
+ rect
.height
/ 8 * 7) / 16);
97 private void dropPhy(Drop drop
, float delta
) {
98 int dropToPlayer
= drop
.closeToPlayer(mGameWorld
, mMobsController
.getPlayer());
99 if (dropToPlayer
> 0) {
100 drop
.moveToPlayer(mGameWorld
, mMobsController
.getPlayer(), dropToPlayer
);
102 if (drop
.getVelocity().x
>= .5f) {
103 drop
.getVelocity().x
-= .5f;
104 } else if (drop
.getVelocity().x
<= -.5f) {
105 drop
.getVelocity().x
+= .5f;
107 drop
.getVelocity().x
= 0;
109 if (drop
.getVelocity().y
< 9) {
110 drop
.getVelocity().y
+= gravity
.y
/ 4;
116 if (checkColl(drop
)) {
117 drop
.getVelocity().set(0, -1);
120 } while (checkColl(drop
));
121 drop
.getVelocity().setZero();
125 private void mobXColl(Mob mob
) {
126 if (checkColl(mob
)) {
127 if (mob
.canJump() && !mob
.isFlyMode()) {
131 if (checkColl(mob
)) {
132 if (mob
.canJump() && !mob
.isFlyMode()) {
138 if (mob
.getVelocity().x
< 0) {
140 } else if (mob
.getVelocity().x
> 0) {
144 mob
.x
= MathUtils
.round(mob
.getX());
146 while (checkColl(mob
)) {
156 mob
.checkWorldBounds(mGameWorld
);
159 private void mobYColl(Mob mob
) {
160 if (checkColl(mob
)) {
163 if (mob
.getVelocity().y
< 0) {
168 mob
.setCanJump(true);
169 mob
.setFlyMode(false);
172 mob
.y
= MathUtils
.round(mob
.getY());
174 while (checkColl(mob
)) {
178 mob
.getVelocity().y
= 0;
184 // dmg = max(0, (h - 48) / 32) - half of blocks fallen starting from 3 blocks height
185 // int dmg = ((int)Math.max(0f, (((mob.getVelocity().y * mob.getVelocity().y) / (2 * gravity.y)) - 48f) / 16f));
186 // if (dmg > 0) System.out.println("Damage: " + dmg);
190 mob
.setCanJump(checkColl(mob
));
194 if (mob
.getY() > mGameWorld
.getHeightPx()) {
199 private void playerPhy(Player player
, float delta
) {
200 if (player
.isDead()) {
204 if (GameItems
.isFluid(getBlock(player
))) {
205 if (mMainConfig
.isTouch() && player
.getVelocity().x
!= 0 && !player
.swim
&& !player
.isFlyMode()) {
209 if (!player
.isFlyMode() && player
.getVelocity().y
< 32f) {
210 player
.getVelocity().y
+= gravity
.y
* delta
;
212 if (!player
.isFlyMode() && player
.getVelocity().y
> 32f) {
213 player
.getVelocity().y
-= player
.getVelocity().y
* 32f * delta
;
216 player
.getVelocity().y
+= PL_JUMP_VELOCITY
* delta
;
217 if (player
.getVelocity().y
< -PL_SPEED
) {
218 player
.getVelocity().y
= -PL_SPEED
;
222 if (!player
.isFlyMode() && player
.getVelocity().y
< PL_TERMINAL_VELOCITY
) {
223 player
.getVelocity().y
+= gravity
.y
* delta
;
227 player
.y
+= player
.getVelocity().y
* delta
;
230 player
.x
+= player
.getVelocity().x
* (player
.isFlyMode() ?
1.5f : 1) *
231 (GameItems
.isFluid(getBlock(player
)) && !player
.isFlyMode() ?
.8f : 1) * delta
;
235 if (mMainConfig
.isTouch() && !player
.isFlyMode() && player
.canJump() && player
.getVelocity().x
!= 0 && checkJump(player
)) {
236 player
.getVelocity().y
= PL_JUMP_VELOCITY
;
237 player
.setCanJump(false);
241 private void mobPhy(Mob mob
, float delta
) {
242 if (mob
.getType() == Mob
.Type
.MOB
&& GameItems
.isFluid(getBlock(mob
))) {
243 if (mob
.getVelocity().y
> 32f) {
244 mob
.getVelocity().y
-= mob
.getVelocity().y
* 32f * delta
;
247 mob
.getVelocity().y
+= PL_JUMP_VELOCITY
* delta
;
249 if (mob
.getVelocity().y
< -PL_SPEED
) {
250 mob
.getVelocity().y
= -PL_SPEED
;
252 } else if (!mob
.isFlyMode() && mob
.getVelocity().y
< PL_TERMINAL_VELOCITY
) {
253 mob
.getVelocity().y
+= gravity
.y
* delta
;
256 mob
.y
+= mob
.getVelocity().y
* delta
;
263 mob
.x
+= mob
.getVelocity().x
* delta
;
266 if (mob
.canJump() && mob
.getVelocity().x
!= 0 && checkJump(mob
)) {
267 mob
.getVelocity().y
= PL_JUMP_VELOCITY
;
268 mob
.setCanJump(false);
272 void update(float delta
) {
273 Player player
= mMobsController
.getPlayer();
275 for (Iterator
<Drop
> it
= mDropController
.getIterator(); it
.hasNext(); ) {
276 Drop drop
= it
.next();
277 dropPhy(drop
, delta
);
278 if (Intersector
.overlaps(drop
, player
)) {
279 drop
.pickUpDrop(player
);
281 if (drop
.isPickedUp()) {
286 for (Iterator
<Mob
> it
= mMobsController
.getIterator(); it
.hasNext(); ) {
288 mob
.ai(mGameWorld
, delta
);
295 playerPhy(player
, delta
);
296 if (player
.isDead()) {
297 player
.respawn(mGameWorld
);