libphysics: otimização por blockmaps

bug: o object não pode ser maior do que o BLOCK_SIZE, definido no dat.h

1 files changed, 11 insertions, 0 deletions

diff --git a/libphysics/dat.h b/libphysics/dat.h
index 75869a4..9fe3312 100644
--- a/libphysics/dat.h
+++ b/libphysics/dat.h
@@ -1,3 +1,5 @@
+#define BLOCK_SIZE   128
+
 typedef struct Body {
 	BodyType type;
 	int active;
@@ -7,6 +9,12 @@ typedef struct Body {
 	vec2 accel;
 } Body;
 
+typedef struct BlockmapNode BlockmapNode;
+struct BlockmapNode {
+	BodyID id;
+	BlockmapNode *next;
+};
+
 void phxmapcollision(Body *);
 void phxbodycollision(Body *, Body *);
 
@@ -17,6 +25,9 @@ void phxaabbresolv(Body *a, Body *b, vec2 p, vec2 n);
 int phxenqevent(CollisionEvent *ev);
 int phxdeqevent(CollisionEvent *ev);
 
+void phxmakeblkmap(void);
+BlockmapNode *phxnodelist(float x, float y);
+
 extern int  phxmapwidth, phxmapheight;
 extern int *phxmapbuffer;