JNIEXPORT jboolean JNICALL Java_Tilengine_SetSpritePicture (JNIEnv* env, jobject thisobj, jint nsprite, jint index)
{
return TLN_SetSpritePicture (nsprite, index);
}
/* main loop tasks */
void UpdateAnimations (int time)
{
int c;
TLN_Sequence sequence;
TLN_SequenceFrame* frames;
struct Strip* strips;
for (c=0; c<engine->numanimations; c++)
{
Animation* animation = &engine->animations[c];
if (animation->enabled==false)
continue;
sequence = animation->sequence;
if (animation->type == TYPE_PALETTE)
{
int i;
strips = (struct Strip*)&sequence->data;
for (i=0; i<sequence->count; i++)
{
struct Strip* strip = &strips[i];
/* next frame */
if (time >= strip->timer)
{
strip->timer = time + strip->delay;
strip->pos = (strip->pos + 1) % strip->count;
strip->t0 = time;
if (!animation->blend)
ColorCycle (animation->srcpalette, animation->palette, strip);
}
/* interpolate */
if (animation->blend)
ColorCycleBlend (animation->srcpalette, animation->palette, strip, time);
}
continue;
}
if (time < animation->timer)
continue;
frames = (TLN_SequenceFrame*)&sequence->data;
animation->timer = time + frames[animation->pos].delay;
switch (animation->type)
{
case TYPE_TILEMAP:
ReplaceTiles (engine->layers[animation->idx].tilemap,
frames[animation->pos].index,
frames[animation->pos + 1].index % sequence->count);
break;
case TYPE_SPRITE:
TLN_SetSpritePicture (animation->idx, frames[animation->pos].index);
break;
case TYPE_TILESET:
TLN_CopyTile (engine->layers[animation->idx].tileset, frames[animation->pos].index, sequence->target);
break;
}
/* next frame */
animation->pos++;
if (animation->pos == sequence->count)
{
if (animation->loop > 1)
{
animation->loop--;
animation->pos = 0;
}
else if (animation->loop == 1)
animation->enabled = false;
else if (animation->loop == 0)
animation->pos = 0;
}
}
}
