From e682fa76f67ae9d4e152a3325f5136a75181527d Mon Sep 17 00:00:00 2001 From: mrb0nk500 Date: Wed, 29 Apr 2020 19:54:11 -0400 Subject: Make clld thread safe, and more readable. --- clld.c | 31 +++++++++++++++++-------------- 1 file changed, 17 insertions(+), 14 deletions(-) diff --git a/clld.c b/clld.c index 6303d3d..4dd7a46 100644 --- a/clld.c +++ b/clld.c @@ -13,16 +13,17 @@ #include #endif -/* Get the direction of a collision. */ -uint8_t isleft = 0; -uint8_t isright = 0; -uint8_t istop = 0; -uint8_t isbottom = 0; -uint8_t isinfloor_x = 0; -uint8_t isinfloor_y = 0; - uint8_t get_coldir(uint8_t flt, uint8_t col_type, int hmpeak, struct colis *cursor, struct colis *floor) { uint8_t coldir = 0; + + /* Get the direction of a collision. */ + uint8_t isleft = 0; + uint8_t isright = 0; + uint8_t istop = 0; + uint8_t isbottom = 0; + + uint8_t isinfloor_x = 0; + uint8_t isinfloor_y = 0; uint8_t isinfloor_left = 0; uint8_t isinfloor_right = 0; uint8_t isinfloor_top = 0; @@ -145,9 +146,10 @@ uint8_t get_coldir(uint8_t flt, uint8_t col_type, int hmpeak, struct colis *curs /* Tile Heightmap Collision. */ void thm(int hmpeak, struct colis *cursor, struct colis *floor) { int newy = 0; - cursor->clx = (cursor->a2 > floor->a1-cursor->xvel-1 && cursor->b2 > floor->b1) && (cursor->a1 < (floor->a2-cursor->w)-cursor->xvel+1 && cursor->b1 < floor->b2); - cursor->cly = (cursor->b2 >= floor->b1-cursor->yvel && cursor->a2 >= floor->a1) && (cursor->b1 <= floor->b2-cursor->yvel && cursor->a1 <= floor->a2); - uint8_t coldir = get_coldir(0, THM, hmpeak, cursor, floor); + uint8_t coldir = get_coldir(0, THM , hmpeak, cursor, floor); + uint8_t isinfloor = get_coldir(0, AABB, hmpeak, cursor, floor); + cursor->clx = (isinfloor & 3) == 3; + cursor->cly = (isinfloor & 12) == 12; if (cursor->clx && (cursor->a2-floor->a1 < 0 || cursor->a2-floor->a1 > floor->w)) { switch (coldir & 3) { case 1: cursor->pos.x = (floor->pos.x-cursor->xvel)-cursor->w-1; break; @@ -187,9 +189,10 @@ void thm(int hmpeak, struct colis *cursor, struct colis *floor) { /* Floating point Tile Heightmap Collision. */ void fthm(int hmpeak, struct colis *cursor, struct colis *floor) { int newy = 0; - cursor->clx = (cursor->c2 > floor->c1-cursor->xvel-1 && cursor->d2 > floor->d1) && (cursor->c1 < (floor->c2-cursor->w)-cursor->xvel+1 && cursor->d1 < floor->d2); - cursor->cly = (cursor->d2 >= floor->d1-cursor->yvel && cursor->c2 >= floor->c1) && (cursor->d1 <= floor->d2-cursor->yvel && cursor->c1 <= floor->c2); - uint8_t coldir = get_coldir(1, THM, hmpeak, cursor, floor); + uint8_t coldir = get_coldir(0, THM , hmpeak, cursor, floor); + uint8_t isinfloor = get_coldir(0, AABB, hmpeak, cursor, floor); + cursor->clx = (isinfloor & 3) == 3; + cursor->cly = (isinfloor & 12) == 12; if (cursor->clx && cursor->c2-floor->c1 < -1 || cursor->c2-floor->c1 > floor->w) { switch (coldir & 3) { -- cgit v1.2.3-13-gbd6f