1 package ru
.deadsoftware
.cavecraft
.game
;
3 import com
.badlogic
.gdx
.Gdx
;
4 import com
.badlogic
.gdx
.math
.Intersector
;
5 import com
.badlogic
.gdx
.math
.MathUtils
;
6 import com
.badlogic
.gdx
.math
.Rectangle
;
7 import com
.badlogic
.gdx
.math
.Vector2
;
8 import ru
.deadsoftware
.cavecraft
.CaveGame
;
9 import ru
.deadsoftware
.cavecraft
.game
.mobs
.Mob
;
10 import ru
.deadsoftware
.cavecraft
.game
.objects
.Drop
;
11 import ru
.deadsoftware
.cavecraft
.game
.objects
.Player
;
13 import java
.util
.Iterator
;
15 public class GamePhysics
{
17 public static final int PL_SPEED
= 2;
19 private GameProc gameProc
;
21 private Vector2 gravity
;
23 public GamePhysics(GameProc gameProc
) {
24 this.gameProc
= gameProc
;
25 gravity
= new Vector2(0,.9f);
28 private boolean checkJump(Rectangle rect
, int dir
) {
32 bl
= gameProc
.world
.getForeMap((int)((rect
.x
-8)/16),(int)((rect
.y
+rect
.height
-8)/16));
33 if (checkColl(new Rectangle(rect
.x
-8, rect
.y
-18, rect
.width
, rect
.height
))) bl
=0;
36 bl
= gameProc
.world
.getForeMap((int)((rect
.x
+rect
.width
+8)/16),(int)((rect
.y
+rect
.height
-8)/16));
37 if (checkColl(new Rectangle(rect
.x
+rect
.width
+8, rect
.y
-18, rect
.width
, rect
.height
))) bl
=0;
42 return (bl
>0 && Items
.BLOCKS
.getValueAt(bl
).toJump() &&
43 (rect
.y
+rect
.height
)-Items
.BLOCKS
.getValueAt(bl
).getRect((int)((rect
.x
-8)/16),(int)((rect
.y
+rect
.height
-8)/16)).y
>8);
46 private boolean checkColl(Rectangle rect
) {
48 int minX
= (int) ((rect
.x
+rect
.width
/2)/16)-4;
49 int minY
= (int) ((rect
.y
+rect
.height
/2)/16)-4;
50 int maxX
= (int) ((rect
.x
+rect
.width
/2)/16)+4;
51 int maxY
= (int) ((rect
.y
+rect
.height
/2)/16)+4;
53 if (maxY
>gameProc
.world
.getHeight()) maxY
= gameProc
.world
.getHeight();
54 for (int y
=minY
; y
<maxY
; y
++) {
55 for (int x
=minX
; x
<maxX
; x
++) {
56 bl
= gameProc
.world
.getForeMap(x
,y
);
57 if (bl
>0 && Items
.BLOCKS
.getValueAt(bl
).collision
){
58 if (Intersector
.overlaps(rect
, Items
.BLOCKS
.getValueAt(bl
).getRect(x
,y
))){
67 private int getBlock(Rectangle rect
) {
68 return gameProc
.world
.getForeMap((int)(rect
.x
+rect
.width
/2)/16, (int)(rect
.y
+rect
.height
/8*7)/16);
71 private void dropPhy(Drop drop
) {
72 if (drop
.move
.y
< 9) drop
.move
.y
+= gravity
.y
/4;
73 drop
.position
.add(drop
.move
);
74 drop
.position
.y
= MathUtils
.round(drop
.position
.y
);
75 while (checkColl(drop
.getRect())) {
81 private void playerPhy(Player pl
) {
82 pl
.position
.add(pl
.moveY
);
83 if (checkColl(pl
.getRect())) {
85 if (pl
.moveY
.y
<0) d
=1;
90 pl
.position
.y
= MathUtils
.round(pl
.position
.y
);
91 while (checkColl(pl
.getRect())) pl
.position
.y
+=d
;
97 if (Items
.isFluid(getBlock(pl
.getRect()))) {
98 if (CaveGame
.TOUCH
&& pl
.moveX
.x
!=0 && !gameProc
.swim
&& !pl
.flyMode
) gameProc
.swim
= true;
100 if (!pl
.flyMode
&& pl
.moveY
.y
< 4.5f) pl
.moveY
.add(gravity
.x
/ 4, gravity
.y
/ 4);
101 if (!pl
.flyMode
&& pl
.moveY
.y
> 4.5f) pl
.moveY
.add(0, -1f);
103 pl
.moveY
.add(0, -.5f);
104 if (pl
.moveY
.y
<-3) pl
.moveY
.y
= -3;
107 if (!pl
.flyMode
&& pl
.moveY
.y
<18) pl
.moveY
.add(gravity
);
110 pl
.position
.add(pl
.moveX
);
111 if (checkColl(pl
.getRect())) {
112 if (pl
.canJump
&& !pl
.flyMode
) pl
.position
.y
-=8;
113 if (checkColl(pl
.getRect())) {
114 if (pl
.canJump
&& !pl
.flyMode
) pl
.position
.y
+=8;
116 if (pl
.moveX
.x
< 0) d
= 1;
117 else if (pl
.moveX
.x
> 0) d
= -1;
118 pl
.position
.x
= MathUtils
.round(pl
.position
.x
);
119 while (checkColl(pl
.getRect())) pl
.position
.x
+= d
;
122 if (pl
.position
.x
+pl
.texWidth
/2<0) pl
.position
.x
+=gameProc
.world
.getWidth()*16;
123 if (pl
.position
.x
+pl
.texWidth
/2>gameProc
.world
.getWidth()*16) pl
.position
.x
-=gameProc
.world
.getWidth()*16;
124 if (pl
.position
.y
> gameProc
.world
.getHeight()*16) {
125 pl
.position
= gameProc
.world
.getSpawnPoint().cpy();
127 if (CaveGame
.TOUCH
&& checkJump(pl
.getRect(), pl
.dir
) && !pl
.flyMode
&& pl
.canJump
&& !pl
.moveX
.equals(Vector2
.Zero
)) {
133 private void mobPhy(Mob mob
) {
134 mob
.position
.add(mob
.moveY
);
135 if (checkColl(mob
.getRect())) {
137 if (mob
.moveY
.y
<0) d
=1;
138 if (d
==-1) mob
.canJump
= true;
139 mob
.position
.y
= MathUtils
.round(mob
.position
.y
);
140 while (checkColl(mob
.getRect())) mob
.position
.y
+=d
;
142 if (mob
.getType() > 0) {
143 gameProc
.world
.setForeMap((int)mob
.position
.x
/16, (int)mob
.position
.y
/16, mob
.getType());
151 if (mob
.getType()==0 && Items
.isFluid(getBlock(mob
.getRect()))) {
152 if (mob
.moveY
.y
> 9) mob
.moveY
.add(0, -.9f);
153 mob
.moveY
.add(0, -.5f);
154 if (mob
.moveY
.y
<-3) mob
.moveY
.y
= -3;
155 } else if (mob
.moveY
.y
<18) mob
.moveY
.add(gravity
);
157 mob
.position
.add(mob
.moveX
);
158 if (checkColl(mob
.getRect())) {
162 if (checkColl(mob
.getRect())) {
163 if (mob
.canJump
) mob
.position
.y
+=8;
165 if (mob
.moveX
.x
< 0) d
= 1;
166 else if (mob
.moveX
.x
> 0) d
= -1;
167 mob
.position
.x
= MathUtils
.round(mob
.position
.x
);
168 while (checkColl(mob
.getRect())) mob
.position
.x
+= d
;
169 if (mob
.canJump
) mob
.changeDir();
172 if (mob
.position
.x
+mob
.width
/2<0) mob
.position
.x
+=gameProc
.world
.getWidth()*16;
173 if (mob
.position
.x
+mob
.width
/2>gameProc
.world
.getWidth()*16) mob
.position
.x
-=gameProc
.world
.getWidth()*16;
174 if (mob
.position
.y
> gameProc
.world
.getHeight()*16) {
177 if (checkJump(mob
.getRect(), mob
.dir
) && mob
.canJump
&& !mob
.moveX
.equals(Vector2
.Zero
)) {
178 mob
.moveY
.add(0, -8);
183 public void update(float delta
) {
184 for (Drop drop
: gameProc
.drops
) dropPhy(drop
);
185 for (Mob mob
: gameProc
.mobs
) {
189 for (Iterator
<Mob
> it
= gameProc
.mobs
.iterator(); it
.hasNext();) {
194 playerPhy(gameProc
.player
);
196 gameProc
.renderer
.camera
.position
.set(
197 gameProc
.player
.position
.x
+gameProc
.player
.texWidth
/2 - gameProc
.renderer
.camera
.viewportWidth
/2,
198 gameProc
.player
.position
.y
+gameProc
.player
.height
/2-gameProc
.renderer
.camera
.viewportHeight
/2,