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Code Issues

(svn r12735) -Codechange: use a vector instead of allocating memory in a byte array for TileSpriteToDraw.

release/0.7
rubidium 2008-04-16 14:18:15 +00:00
parent 0c9120a882
commit 6ab158f9d9
1 changed files with 15 additions and 31 deletions
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46
src/viewport.cpp
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@ -89,7 +89,6 @@ struct TileSpriteToDraw {
SpriteID image;
SpriteID pal;
const SubSprite *sub; ///< only draw a rectangular part of the sprite
TileSpriteToDraw *next;
int32 x;
int32 y;
byte z;
@ -129,7 +128,6 @@ struct ParentSpriteToDraw {
/* Quick hack to know how much memory to reserve when allocating from the spritelist
* to prevent a buffer overflow. */
#define LARGEST_SPRITELIST_STRUCT ParentSpriteToDraw
assert_compile(sizeof(LARGEST_SPRITELIST_STRUCT) >= sizeof(TileSpriteToDraw));
assert_compile(sizeof(LARGEST_SPRITELIST_STRUCT) >= sizeof(ChildScreenSpriteToDraw));
assert_compile(sizeof(LARGEST_SPRITELIST_STRUCT) >= sizeof(ParentSpriteToDraw));
@ -141,6 +139,7 @@ enum FoundationPart {
FOUNDATION_PART_END
};
typedef std::vector<TileSpriteToDraw> TileSpriteToDrawVector;
typedef std::vector<StringSpriteToDraw> StringSpriteToDrawVector;
struct ViewportDrawer {
@ -150,8 +149,7 @@ struct ViewportDrawer {
const byte *eof_spritelist_mem;
StringSpriteToDrawVector string_sprites_to_draw;
TileSpriteToDraw **last_tile, *first_tile;
TileSpriteToDrawVector tile_sprites_to_draw;
ChildScreenSpriteToDraw **last_child;
@ -488,28 +486,17 @@ void HandleZoomMessage(Window *w, const ViewPort *vp, byte widget_zoom_in, byte
*/
void DrawGroundSpriteAt(SpriteID image, SpriteID pal, int32 x, int32 y, byte z, const SubSprite *sub)
{
ViewportDrawer *vd = _cur_vd;
TileSpriteToDraw *ts;
assert((image & SPRITE_MASK) < MAX_SPRITES);
if (vd->spritelist_mem >= vd->eof_spritelist_mem) {
DEBUG(sprite, 0, "Out of sprite memory");
return;
}
ts = (TileSpriteToDraw*)vd->spritelist_mem;
TileSpriteToDraw ts;
ts.image = image;
ts.pal = pal;
ts.sub = sub;
ts.x = x;
ts.y = y;
ts.z = z;
vd->spritelist_mem += sizeof(TileSpriteToDraw);
ts->image = image;
ts->pal = pal;
ts->sub = sub;
ts->next = NULL;
ts->x = x;
ts->y = y;
ts->z = z;
*vd->last_tile = ts;
vd->last_tile = &ts->next;
_cur_vd->tile_sprites_to_draw.push_back(ts);
}
/**
@ -1344,13 +1331,12 @@ void UpdateViewportSignPos(ViewportSign *sign, int left, int top, StringID str)
}
static void ViewportDrawTileSprites(TileSpriteToDraw *ts)
static void ViewportDrawTileSprites(const TileSpriteToDrawVector *tstdv)
{
do {
for (TileSpriteToDrawVector::const_iterator ts = tstdv->begin(); ts != tstdv->end(); ts++) {
Point pt = RemapCoords(ts->x, ts->y, ts->z);
DrawSprite(ts->image, ts->pal, pt.x, pt.y, ts->sub);
ts = ts->next;
} while (ts != NULL);
}
}
static void ViewportSortParentSprites(ParentSpriteToDraw *psd[])
@ -1507,7 +1493,7 @@ static void ViewportDrawStrings(DrawPixelInfo *dpi, const StringSpriteToDrawVect
UnScaleByZoom(ss->x, zoom), UnScaleByZoom(ss->y, zoom) - (ss->width & 0x8000 ? 2 : 0),
ss->string, colour
);
};
}
}
void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom)
@ -1546,8 +1532,6 @@ void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom
vd.eof_parent_list = parent_list.EndOf();
vd.spritelist_mem = mem;
vd.eof_spritelist_mem = mem.EndOf() - sizeof(LARGEST_SPRITELIST_STRUCT);
vd.last_tile = &vd.first_tile;
vd.first_tile = NULL;
ViewportAddLandscape();
ViewportAddVehicles(&vd.dpi);
@ -1562,7 +1546,7 @@ void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom
* is checked) */
assert(vd.parent_list <= endof(parent_list));
if (vd.first_tile != NULL) ViewportDrawTileSprites(vd.first_tile);
if (!vd.tile_sprites_to_draw.empty()) ViewportDrawTileSprites(&vd.tile_sprites_to_draw);
/* null terminate parent sprite list */
*vd.parent_list = NULL;