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Location: cpp/openttd-patchpack/source/src/sprite.cpp - annotation
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(svn r23339) -Update from WebTranslator v3.0:
belarusian - 4 changes by Wowanxm
italian - 13 changes by lorenzodv
korean - 25 changes by junho2813
slovak - 33 changes by klingacik
belarusian - 4 changes by Wowanxm
italian - 13 changes by lorenzodv
korean - 25 changes by junho2813
slovak - 33 changes by klingacik
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/*
* This file is part of OpenTTD.
* 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.
* 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.
* 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/>.
*/
/** @file sprite.cpp Handling of sprites */
#include "stdafx.h"
#include "sprite.h"
#include "viewport_func.h"
#include "landscape.h"
#include "spritecache.h"
#include "core/alloc_func.hpp"
#include "core/mem_func.hpp"
#include "zoom_func.h"
/**
* Draws a tile sprite sequence.
* @param ti The tile to draw on
* @param dts Sprite and subsprites to draw
* @param to The transparancy bit that toggles drawing of these sprites
* @param orig_offset Sprite-Offset for original sprites
* @param newgrf_offset Sprite-Offset for NewGRF defined sprites
* @param default_palette The default recolour sprite to use (typically company colour)
* @param child_offset_is_unsigned Whether child sprite offsets are interpreted signed or unsigned
*/
void DrawCommonTileSeq(const TileInfo *ti, const DrawTileSprites *dts, TransparencyOption to, int32 orig_offset, uint32 newgrf_offset, PaletteID default_palette, bool child_offset_is_unsigned)
{
bool parent_sprite_encountered = false;
const DrawTileSeqStruct *dtss;
bool skip_childs = false;
foreach_draw_tile_seq(dtss, dts->seq) {
SpriteID image = dtss->image.sprite;
PaletteID pal = dtss->image.pal;
if (skip_childs) {
if (!dtss->IsParentSprite()) continue;
skip_childs = false;
}
/* TTD sprite 0 means no sprite */
if ((GB(image, 0, SPRITE_WIDTH) == 0 && !HasBit(image, SPRITE_MODIFIER_CUSTOM_SPRITE)) ||
(IsInvisibilitySet(to) && !HasBit(image, SPRITE_MODIFIER_OPAQUE))) {
skip_childs = dtss->IsParentSprite();
continue;
}
image += (HasBit(image, SPRITE_MODIFIER_CUSTOM_SPRITE) ? newgrf_offset : orig_offset);
if (HasBit(pal, SPRITE_MODIFIER_CUSTOM_SPRITE)) pal += newgrf_offset;
pal = SpriteLayoutPaletteTransform(image, pal, default_palette);
if (dtss->IsParentSprite()) {
parent_sprite_encountered = true;
AddSortableSpriteToDraw(
image, pal,
ti->x + dtss->delta_x, ti->y + dtss->delta_y,
dtss->size_x, dtss->size_y,
dtss->size_z, ti->z + dtss->delta_z,
!HasBit(image, SPRITE_MODIFIER_OPAQUE) && IsTransparencySet(to)
);
} else {
int offs_x = child_offset_is_unsigned ? (uint8)dtss->delta_x : dtss->delta_x;
int offs_y = child_offset_is_unsigned ? (uint8)dtss->delta_y : dtss->delta_y;
bool transparent = !HasBit(image, SPRITE_MODIFIER_OPAQUE) && IsTransparencySet(to);
if (parent_sprite_encountered) {
AddChildSpriteScreen(image, pal, offs_x, offs_y, transparent);
} else {
if (transparent) {
SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
pal = PALETTE_TO_TRANSPARENT;
}
DrawGroundSprite(image, pal, NULL, offs_x, offs_y);
}
}
}
}
/**
* Draws a tile sprite sequence in the GUI
* @param x X position to draw to
* @param y Y position to draw to
* @param dts Sprite and subsprites to draw
* @param orig_offset Sprite-Offset for original sprites
* @param newgrf_offset Sprite-Offset for NewGRF defined sprites
* @param default_palette The default recolour sprite to use (typically company colour)
* @param child_offset_is_unsigned Whether child sprite offsets are interpreted signed or unsigned
*/
void DrawCommonTileSeqInGUI(int x, int y, const DrawTileSprites *dts, int32 orig_offset, uint32 newgrf_offset, PaletteID default_palette, bool child_offset_is_unsigned)
{
const DrawTileSeqStruct *dtss;
Point child_offset = {0, 0};
bool skip_childs = false;
foreach_draw_tile_seq(dtss, dts->seq) {
SpriteID image = dtss->image.sprite;
PaletteID pal = dtss->image.pal;
if (skip_childs) {
if (!dtss->IsParentSprite()) continue;
skip_childs = false;
}
/* TTD sprite 0 means no sprite */
if (GB(image, 0, SPRITE_WIDTH) == 0 && !HasBit(image, SPRITE_MODIFIER_CUSTOM_SPRITE)) {
skip_childs = dtss->IsParentSprite();
continue;
}
image += (HasBit(image, SPRITE_MODIFIER_CUSTOM_SPRITE) ? newgrf_offset : orig_offset);
if (HasBit(pal, SPRITE_MODIFIER_CUSTOM_SPRITE)) pal += newgrf_offset;
pal = SpriteLayoutPaletteTransform(image, pal, default_palette);
if (dtss->IsParentSprite()) {
Point pt = RemapCoords(dtss->delta_x, dtss->delta_y, dtss->delta_z);
DrawSprite(image, pal, x + UnScaleByZoom(pt.x, ZOOM_LVL_GUI), y + UnScaleByZoom(pt.y, ZOOM_LVL_GUI));
const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
child_offset.x = UnScaleByZoom(pt.x + spr->x_offs, ZOOM_LVL_GUI);
child_offset.y = UnScaleByZoom(pt.y + spr->y_offs, ZOOM_LVL_GUI);
} else {
int offs_x = child_offset_is_unsigned ? (uint8)dtss->delta_x : dtss->delta_x;
int offs_y = child_offset_is_unsigned ? (uint8)dtss->delta_y : dtss->delta_y;
DrawSprite(image, pal, x + child_offset.x + offs_x, y + child_offset.y + offs_y);
}
}
}
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