KaboHaze::KaboHaze(SpaceLocation *creator, Ship *ohost, double obasepower)
:
SpaceLocation(creator, Vector2(0.0, 0.0), 0.0)
{
STACKTRACE;
prev = 0;
next = 0;
// update the list (insert at the start)
if (KaboHazeFirst)
KaboHazeFirst->prev = this;
next = KaboHazeFirst;
prev = 0;
KaboHazeFirst = this;
//mother = omother;
host = ohost;
basepower = obasepower;
power = basepower;
// decay_time = odecaytime; // in milliseconds
newcrew = iround(host->getCrew());
oldcrew = newcrew;
// this "haze" is passive, of course:
collide_flag_anyone = 0;
collide_flag_sameteam = 0;
collide_flag_sameship = 0;
// I'll make 64 rotated versions in total, if needed, which I'll store
// in memory:
for ( int i = 0; i < 64; ++i ) {
shield_bmp[i] = 0;
}
sprite_index = 0; // no rotation.
shield_sprite_index = 0;
// this item cannot collide
collide_flag_anyone = 0;
// this is probably important ... otherwise a thing like a flipping wedge indicator
// can avoid a shield from being drawn ?!?!
layer = LAYER_SHIPS;
set_depth(DEPTH_SHIPS + 0.1);
// The +0.1 places this presence at a higher level, so that this routine is
// always done after the ship was drawn! Thnx Orz, for telling.
// Graphics init stuff for the shield !
// copy the ship sprite (yes, a COPY because we need to do some operations on it !)
SpaceSprite *ship_spr;
ship_spr = host->get_sprite();
if (!ship_spr) {
state = 0;
return;
}
//BITMAP *ship_bmp;
int wship = ship_spr->width();
int hship = ship_spr->height();
BITMAP *ship_bmp = create_bitmap(wship, hship);
clear_to_color(ship_bmp, 0); // important otherwise it contains artefacts
int index = 0;
ship_spr->draw(Vector2(0, 0), Vector2(wship, hship), index, ship_bmp);
// this does a (masked?) blit
// create a blurred image from this:
int R = 3;
blit_blur(ship_bmp, R); // a complex and costly funtion ! Inefficiently programmed as well of course (by me).
// now, create a masked shield - only the area that covers the
// blurred image of the ship:
shield_bmp[sprite_index] = create_bitmap(wship, hship);
// important otherwise it contains artefacts
clear_to_color(shield_bmp[sprite_index], 0);
// scale/draw a shield:
/*
// the raw shield image
BITMAP *raw_bmp = this->sprite->get_bitmap_readonly(0);
int wraw = raw_bmp->w;
int hraw = raw_bmp->h;
stretch_blit(raw_bmp, shield_bmp[sprite_index], 0, 0, wraw, hraw, 0, 0, wship, hship );
*/
// a uniform green glow
clear_to_color(shield_bmp[sprite_index], tw_makecol(0,255,0));
// mask out the areas outside the ship, so that the shield only covers
// the ship.
blit_singlecolor(ship_bmp, shield_bmp[sprite_index], tw_makecol(0,0,0));
destroy_bitmap(ship_bmp);
// ok ! this is what we need - only things left are
// resize
// rotate
// trans-draw.
// which we've to do repeatedly.
// we may also cache the rotated images !
// flashes can occur within the edges of the shield ... check where the
// edges are !! (assuming here, it's a closed shape).
edge_left = new int [hship];
edge_right = new int [hship];
for ( int j = 0; j < hship; ++j ) {
edge_left[j] = -1;
edge_right[j] = -1;
for ( int i = 0; i < wship; ++i ) {
int color = getpixel(shield_bmp[0], i, j);
if ( color != 0 ) {
if ( edge_left[j] == -1 )
edge_left[j] = i;
edge_right[j] = i;
}
}
}
attributes &= ~ATTRIB_STANDARD_INDEX;
}
static int process_blit(struct mdp_info *mdp, struct mdp_blit_req *req,
struct file *src_file, unsigned long src_start, unsigned long src_len,
struct file *dst_file, unsigned long dst_start, unsigned long dst_len)
{
struct ppp_regs regs = {0};
uint32_t luma_base;
#if PPP_DUMP_BLITS
mdp_dump_blit(req);
#endif
if (unlikely(req->src.format >= MDP_IMGTYPE_LIMIT ||
req->dst.format >= MDP_IMGTYPE_LIMIT)) {
printk(KERN_ERR "mdp_ppp: img is of wrong format\n");
return -EINVAL;
}
if (unlikely(req->src_rect.x > req->src.width ||
req->src_rect.y > req->src.height ||
req->dst_rect.x > req->dst.width ||
req->dst_rect.y > req->dst.height)) {
printk(KERN_ERR "mdp_ppp: img rect is outside of img!\n");
return -EINVAL;
}
if (unlikely(req->src_rect.x + req->src_rect.w > req->src.width ||
req->src_rect.y + req->src_rect.h > req->src.height ||
req->dst_rect.x + req->dst_rect.w > req->dst.width ||
req->dst_rect.y + req->dst_rect.h > req->dst.height)) {
printk(KERN_ERR "mdp_ppp: img rect extends outside of img!\n");
return -EINVAL;
}
/* set the src image configuration */
regs.src_cfg = src_img_cfg[req->src.format];
regs.src_cfg |= (req->src_rect.x & 0x1) ? PPP_SRC_BPP_ROI_ODD_X : 0;
regs.src_cfg |= (req->src_rect.y & 0x1) ? PPP_SRC_BPP_ROI_ODD_Y : 0;
regs.src_pack = pack_pattern[req->src.format];
/* set the dest image configuration */
regs.dst_cfg = dst_img_cfg[req->dst.format] | PPP_DST_OUT_SEL_AXI;
regs.dst_pack = pack_pattern[req->dst.format];
/* set src, bpp, start pixel and ystride */
regs.src_bpp = mdp_get_bytes_per_pixel(req->src.format);
luma_base = src_start + req->src.offset;
regs.src0 = luma_base +
get_luma_offset(&req->src, &req->src_rect, regs.src_bpp);
regs.src1 = get_chroma_base(&req->src, luma_base, regs.src_bpp);
regs.src1 += get_chroma_offset(&req->src, &req->src_rect, regs.src_bpp);
regs.src_ystride = req->src.width * regs.src_bpp;
set_src_region(&req->src, &req->src_rect, ®s);
/* set dst, bpp, start pixel and ystride */
regs.dst_bpp = mdp_get_bytes_per_pixel(req->dst.format);
luma_base = dst_start + req->dst.offset;
regs.dst0 = luma_base +
get_luma_offset(&req->dst, &req->dst_rect, regs.dst_bpp);
regs.dst1 = get_chroma_base(&req->dst, luma_base, regs.dst_bpp);
regs.dst1 += get_chroma_offset(&req->dst, &req->dst_rect, regs.dst_bpp);
regs.dst_ystride = req->dst.width * regs.dst_bpp;
set_dst_region(&req->dst_rect, ®s);
if (!valid_src_dst(src_start, src_len, dst_start, dst_len, req,
®s)) {
printk(KERN_ERR "mdp_ppp: final src or dst location is "
"invalid, are you trying to make an image too large "
"or to place it outside the screen?\n");
return -EINVAL;
}
/* set up operation register */
regs.op = 0;
blit_rotate(req, ®s);
blit_convert(req, ®s);
if (req->flags & MDP_DITHER)
regs.op |= PPP_OP_DITHER_EN;
blit_blend(req, ®s);
if (blit_scale(mdp, req, ®s)) {
printk(KERN_ERR "mdp_ppp: error computing scale for img.\n");
return -EINVAL;
}
blit_blur(mdp, req, ®s);
regs.op |= dst_op_chroma[req->dst.format] |
src_op_chroma[req->src.format];
/* if the image is YCRYCB, the x and w must be even */
if (unlikely(req->src.format == MDP_YCRYCB_H2V1)) {
req->src_rect.x = req->src_rect.x & (~0x1);
req->src_rect.w = req->src_rect.w & (~0x1);
req->dst_rect.x = req->dst_rect.x & (~0x1);
req->dst_rect.w = req->dst_rect.w & (~0x1);
}
if (mdp_ppp_cfg_edge_cond(req, ®s))
return -EINVAL;
/* for simplicity, always write the chroma stride */
regs.src_ystride &= 0x3fff;
regs.src_ystride |= regs.src_ystride << 16;
regs.dst_ystride &= 0x3fff;
regs.dst_ystride |= regs.dst_ystride << 16;
regs.bg_ystride &= 0x3fff;
regs.bg_ystride |= regs.bg_ystride << 16;
#if PPP_DUMP_BLITS
pr_info("%s: sending blit\n", __func__);
#endif
send_blit(mdp, req, ®s, src_file, dst_file);
return 0;
}
