OpenTTD

viewport_sprite_sorter.h
Go to the documentation of this file.
1 /* $Id: viewport_sprite_sorter.h 27916 2017-09-24 13:35:27Z frosch $ */
2
3 /*
4 * This file is part of OpenTTD.
5 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
6 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
7 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
8 */
9
12 #include "stdafx.h"
13 #include "core/smallvec_type.hpp"
14 #include "gfx_type.h"
15
16 #ifndef VIEWPORT_SPRITE_SORTER_H
17 #define VIEWPORT_SPRITE_SORTER_H
18
20 struct ParentSpriteToDraw {
21 /* Block of 16B loadable in xmm register */
22 int32 xmin;
23 int32 ymin;
24 int32 zmin;
25 int32 x;
26
27 /* Second block of 16B loadable in xmm register */
28 int32 xmax;
29 int32 ymax;
30 int32 zmax;
31 int32 y;
32
33 SpriteID image;
34 PaletteID pal;
35 const SubSprite *sub;
36
37 int32 left;
38 int32 top;
39
40 int32 first_child;
41 bool comparison_done;
42 };
43
44 typedef SmallVector<ParentSpriteToDraw*, 64> ParentSpriteToSortVector;
45
47 typedef bool (*VpSorterChecker)();
49 typedef void (*VpSpriteSorter)(ParentSpriteToSortVector *psd);
50
51 #ifdef WITH_SSE
52 bool ViewportSortParentSpritesSSE41Checker();
53 void ViewportSortParentSpritesSSE41(ParentSpriteToSortVector *psdv);
54 #endif
55
56 void InitializeSpriteSorter();
57
58 #endif /* VIEWPORT_SPRITE_SORTER_H */
PaletteID
uint32 PaletteID
The number of the palette.
Definition: gfx_type.h:20
ParentSpriteToDraw::zmin
int32 zmin
minimal world Z coordinate of bounding box
Definition: viewport_sprite_sorter.h:24
ParentSpriteToDraw::zmax
int32 zmax
maximal world Z coordinate of bounding box
Definition: viewport_sprite_sorter.h:30
ParentSpriteToDraw::top
int32 top
minimal screen Y coordinate of sprite (= y + sprite->y_offs), reference point for child sprites ...
Definition: viewport_sprite_sorter.h:38
VpSpriteSorter
void(* VpSpriteSorter)(ParentSpriteToSortVector *psd)
Type for the actual viewport sprite sorter.
Definition: viewport_sprite_sorter.h:49
smallvec_type.hpp
Simple vector class that allows allocating an item without the need to copy this->data needlessly...
SmallVector< ParentSpriteToDraw *, 64 >
ParentSpriteToDraw::ymin
int32 ymin
minimal world Y coordinate of bounding box
Definition: viewport_sprite_sorter.h:23
ParentSpriteToDraw::first_child
int32 first_child
the first child to draw.
Definition: viewport_sprite_sorter.h:40
ParentSpriteToDraw::x
int32 x
screen X coordinate of sprite
Definition: viewport_sprite_sorter.h:25
stdafx.h
Definition of base types and functions in a cross-platform compatible way.
ParentSpriteToDraw::y
int32 y
screen Y coordinate of sprite
Definition: viewport_sprite_sorter.h:31
ParentSpriteToDraw::xmin
int32 xmin
minimal world X coordinate of bounding box
Definition: viewport_sprite_sorter.h:22
ParentSpriteToDraw::sub
const SubSprite * sub
only draw a rectangular part of the sprite
Definition: viewport_sprite_sorter.h:35
ParentSpriteToDraw
Parent sprite that should be drawn.
Definition: viewport_sprite_sorter.h:20
ParentSpriteToDraw::image
SpriteID image
sprite to draw
Definition: viewport_sprite_sorter.h:33
SpriteID
uint32 SpriteID
The number of a sprite, without mapping bits and colourtables.
Definition: gfx_type.h:19
VpSorterChecker
bool(* VpSorterChecker)()
Type for method for checking whether a viewport sprite sorter exists.
Definition: viewport_sprite_sorter.h:47
ParentSpriteToDraw::ymax
int32 ymax
maximal world Y coordinate of bounding box
Definition: viewport_sprite_sorter.h:29
ParentSpriteToDraw::xmax
int32 xmax
maximal world X coordinate of bounding box
Definition: viewport_sprite_sorter.h:28
InitializeSpriteSorter
void InitializeSpriteSorter()
Choose the "best" sprite sorter and set _vp_sprite_sorter.
Definition: viewport.cpp:3243
SubSprite
Used to only draw a part of the sprite.
Definition: gfx_type.h:219
ParentSpriteToDraw::pal
PaletteID pal
palette to use
Definition: viewport_sprite_sorter.h:34
ParentSpriteToDraw::left
int32 left
minimal screen X coordinate of sprite (= x + sprite->x_offs), reference point for child sprites ...
Definition: viewport_sprite_sorter.h:37
ParentSpriteToDraw::comparison_done
bool comparison_done
Used during sprite sorting: true if sprite has been compared with all other sprites.
Definition: viewport_sprite_sorter.h:41
gfx_type.h
Types related to the graphics and/or input devices.