Use specific collision bounds for certain objects.

This commit is contained in:
Steve 2018-02-26 07:38:20 +00:00
parent 5282345dc6
commit bf9ab57e2f
11 changed files with 85 additions and 14 deletions

View File

@ -32,6 +32,7 @@ static void applyDamage(int amount);
static void preFire(void);
static void selectWeapon(void);
static void moveTowardsPlayer(void);
static void getCollisionBounds(SDL_Rect *r);
static Entity *tankTrack;
static int brakingTimer;
@ -60,6 +61,7 @@ Entity *initTankCommander(void)
b->tick = tick;
b->die = die1;
b->applyDamage = applyDamage;
b->getCollisionBounds = getCollisionBounds;
brakingTimer = 0;
@ -358,3 +360,11 @@ static void applyDamage(int amount)
addExplosion(self->x + self->w / 2, self->y + self->h / 2, 50, self);
}
}
static void getCollisionBounds(SDL_Rect *r)
{
r->x = self->facing == FACING_LEFT ? self->x + 98 : self->x;
r->y = self->y;
r->w = 140;
r->h = self->h;
}

View File

@ -26,6 +26,7 @@ static void touch(Entity *other);
static void animate(void);
static void (*superAnimate)(void);
static void applyDamage(int amount);
static void getCollisionBounds(SDL_Rect *r);
Entity *initTankTrack(Boss *owner)
{
@ -47,6 +48,7 @@ Entity *initTankTrack(Boss *owner)
b->touch = touch;
b->animate = animate;
b->applyDamage = applyDamage;
b->getCollisionBounds = getCollisionBounds;
tankCommander = owner;
@ -104,3 +106,11 @@ static void animate(void)
superAnimate();
}
}
static void getCollisionBounds(SDL_Rect *r)
{
r->x = self->x + 16;
r->y = self->y;
r->w = self->w - 32;
r->h = self->h;
}

View File

@ -27,6 +27,7 @@ static void die2(void);
static void animate(void);
static int canFire(Entity *target);
static void preFire(void);
static void getCollisionBounds(SDL_Rect *r);
Entity *initCannon(void)
{
@ -60,6 +61,7 @@ Entity *initCannon(void)
u->walk = walk;
u->die = die;
u->canFire = canFire;
u->getCollisionBounds = getCollisionBounds;
return (Entity*)u;
}
@ -214,6 +216,14 @@ static void animate(void)
}
static void getCollisionBounds(SDL_Rect *r)
{
r->x = self->x + 36;
r->y = self->y;
r->w = 36;
r->h = self->h;
}
static int canFire(Entity *target)
{
return abs(target->y - self->y) <= MAP_TILE_SIZE;

View File

@ -31,9 +31,10 @@ static void activate(int active);
static void touch(Entity *other);
static void animate(void);
static void changeEnvironment(void);
static SDL_Rect *getCurrentSprite(void);
static void getCollisionBounds(SDL_Rect *r);
static void load(cJSON *root);
static void save(cJSON *root);
static SDL_Rect *getCurrentSprite(void);
void initEntity(Entity *e)
{
@ -70,6 +71,7 @@ void initEntity(Entity *e)
e->getCurrentSprite = getCurrentSprite;
e->die = die;
e->changeEnvironment = changeEnvironment;
e->getCollisionBounds = getCollisionBounds;
e->load = load;
e->save = save;
@ -179,6 +181,14 @@ static SDL_Rect *getCurrentSprite(void)
return &s->frames[self->spriteFrame]->rect;
}
static void getCollisionBounds(SDL_Rect *r)
{
r->x = self->x;
r->y = self->y;
r->w = self->w;
r->h = self->h;
}
static void load(cJSON *root)
{
SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_ERROR, "Entity [name=%s, type=%d, x=%d, y=%d] cannot be loaded", self->name, self->type, (int)self->x, (int)self->y);

View File

@ -24,6 +24,7 @@ static void init(void);
static void tick(void);
static void action(void);
static void touch(Entity *other);
static void getCollisionBounds(SDL_Rect *r);
static void load(cJSON *root);
static void save(cJSON *root);
@ -49,6 +50,7 @@ Entity *initExit(void)
s->tick = tick;
s->action = action;
s->touch = touch;
s->getCollisionBounds = getCollisionBounds;
s->load = load;
s->save = save;
@ -137,6 +139,14 @@ static void touch(Entity *other)
}
}
static void getCollisionBounds(SDL_Rect *r)
{
r->x = self->x + 64;
r->y = self->y;
r->w = 2;
r->h = self->h;
}
static void load(cJSON *root)
{
Structure *s;

View File

@ -23,6 +23,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
static void init(void);
static void tick(void);
static void touch(Entity *other);
static void getCollisionBounds(SDL_Rect *r);
static void load(cJSON *root);
static void save(cJSON *root);
@ -43,6 +44,7 @@ Entity *initItemPad(void)
s->init = init;
s->tick = tick;
s->touch = touch;
s->getCollisionBounds = getCollisionBounds;
s->load = load;
s->save = save;
@ -111,6 +113,14 @@ static void touch(Entity *other)
}
}
static void getCollisionBounds(SDL_Rect *r)
{
r->x = self->x;
r->y = self->y - 4;
r->w = self->w;
r->h = self->h;
}
static void load(cJSON *root)
{
Structure *s;

View File

@ -24,6 +24,7 @@ static void init(void);
static void action(void);
static void touch(Entity *other);
static void activate(int active);
static void getCollisionBounds(SDL_Rect *r);
static void load(cJSON *root);
static void save(cJSON *root);
@ -49,6 +50,7 @@ Entity *initTeleporter(void)
s->action = action;
s->touch = touch;
s->activate = activate;
s->getCollisionBounds = getCollisionBounds;
s->load = load;
s->save = save;
@ -118,6 +120,14 @@ static void activate(int active)
}
}
static void getCollisionBounds(SDL_Rect *r)
{
r->x = self->x + 16;
r->y = self->y - 4;
r->w = 64;
r->h = self->h;
}
static void load(cJSON *root)
{
Structure *s;

View File

@ -44,7 +44,6 @@ extern int isControl(int type);
extern void clearControl(int type);
extern void doWidgets(void);
extern char *timeToDate(long millis);
extern void playSound(int snd, int ch);
extern App app;
extern Colors colors;

View File

@ -152,6 +152,7 @@ struct Entity {
void (*applyDamage)(int amount);
void (*changeEnvironment)(void);
SDL_Rect *(*getCurrentSprite)(void);
void (*getCollisionBounds)(SDL_Rect *r);
void (*load)(cJSON *root);
void (*save)(cJSON *root);
Entity *next;

View File

@ -26,7 +26,7 @@ void initAtlasTest(void)
dev.debug = 1;
dev.cheatStatic = 0;
dev.cheatBlind = 0;
dev.cheatBlind = 1;
dev.cheatNoEnemies = 0;
dev.cheatKeys = 0;
dev.cheatPower = 0;
@ -46,7 +46,7 @@ void initAtlasTest(void)
break;
case 1:
STRNCPY(game.worldId, "greenlands1", MAX_NAME_LENGTH);
STRNCPY(game.worldId, "outpost1", MAX_NAME_LENGTH);
initWorld();
break;

View File

@ -554,15 +554,14 @@ static int canWalkOnEntity(float x, float y)
static void moveToOthers(float dx, float dy, PointF *position)
{
Entity *e;
Entity *e, *oldSelf;
Entity **candidates;
int clearTouched, hit, dirX, dirY, solidLoopHits, i;
SDL_Rect srcRect;
SDL_Rect srcRect, destRect;
self->getCollisionBounds(&srcRect);
srcRect.x = (int) position->x;
srcRect.y = (int) position->y;
srcRect.w = self->w;
srcRect.h = self->h;
clearTouched = 0;
hit = 0;
@ -583,7 +582,12 @@ static void moveToOthers(float dx, float dy, PointF *position)
continue;
}
if (collision(srcRect.x, srcRect.y, srcRect.w, srcRect.h, e->x, e->y, e->w, e->h))
oldSelf = self;
self = e;
e->getCollisionBounds(&destRect);
self = oldSelf;
if (collision(srcRect.x, srcRect.y, srcRect.w, srcRect.h, destRect.x, destRect.y, destRect.w, destRect.h))
{
if (clearTouched)
{
@ -652,10 +656,7 @@ static void moveToOthers(float dx, float dy, PointF *position)
clearTouched = 1;
srcRect.x = self->x;
srcRect.y = self->y;
srcRect.w = self->w;
srcRect.h = self->h;
self->getCollisionBounds(&srcRect);
}
while (hit);
}