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(svn r11210) -Codechange: unify the way that selection sprites are drawn. Patch by frosch.

release/0.6
rubidium 2007-10-05 19:57:20 +00:00
parent f4721fed87
commit 1e73368d48
1 changed files with 40 additions and 31 deletions
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71
src/viewport.cpp
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@ -685,6 +685,17 @@ static void DrawSelectionSprite(SpriteID image, SpriteID pal, const TileInfo *ti
}
}
/**
* Draws a selection rectangle on a tile.
*
* @param ti TileInfo Tile that is being drawn
* @param pal Palette to apply.
*/
static void DrawTileSelectionRect(const TileInfo *ti, SpriteID pal)
{
DrawSelectionSprite(SPR_SELECT_TILE + _tileh_to_sprite[ti->tileh], pal, ti);
}
static bool IsPartOfAutoLine(int px, int py)
{
px -= _thd.selstart.x;
@ -717,18 +728,39 @@ static const int _AutorailType[6][2] = {
#include "table/autorail.h"
/**
* Draws autorail highlights.
*
* @param *ti TileInfo Tile that is being drawn
* @param autorail_type Offset into _AutorailTilehSprite[][]
*/
static void DrawAutorailSelection(const TileInfo *ti, uint autorail_type)
{
SpriteID image;
SpriteID pal;
int offset;
offset = _AutorailTilehSprite[ti->tileh][autorail_type];
if (offset >= 0) {
image = SPR_AUTORAIL_BASE + offset;
pal = PAL_NONE;
} else {
image = SPR_AUTORAIL_BASE - offset;
pal = PALETTE_SEL_TILE_RED;
}
DrawSelectionSprite(image, _thd.make_square_red ? PALETTE_SEL_TILE_RED : pal, ti);
}
/**
* Checks if the specified tile is selected and if so draws selection using correct selectionstyle.
* @param *ti TileInfo Tile that is being drawn
*/
static void DrawTileSelection(const TileInfo *ti)
{
SpriteID image;
SpriteID pal;
/* Draw a red error square? */
if (_thd.redsq != 0 && _thd.redsq == ti->tile) {
DrawSelectionSprite(SPR_SELECT_TILE + _tileh_to_sprite[ti->tileh], PALETTE_TILE_RED_PULSATING, ti);
DrawTileSelectionRect(ti, PALETTE_TILE_RED_PULSATING);
return;
}
@ -739,8 +771,7 @@ static void DrawTileSelection(const TileInfo *ti)
if (IS_INSIDE_1D(ti->x, _thd.pos.x, _thd.size.x) &&
IS_INSIDE_1D(ti->y, _thd.pos.y, _thd.size.y)) {
if (_thd.drawstyle & HT_RECT) {
image = SPR_SELECT_TILE + _tileh_to_sprite[ti->tileh];
DrawSelectionSprite(image, _thd.make_square_red ? PALETTE_SEL_TILE_RED : PAL_NONE, ti);
DrawTileSelectionRect(ti, _thd.make_square_red ? PALETTE_SEL_TILE_RED : PAL_NONE);
} else if (_thd.drawstyle & HT_POINT) {
/* Figure out the Z coordinate for the single dot. */
byte z = ti->z;
@ -752,25 +783,12 @@ static void DrawTileSelection(const TileInfo *ti)
} else if (_thd.drawstyle & HT_RAIL /*&& _thd.place_mode == VHM_RAIL*/) {
/* autorail highlight piece under cursor */
uint type = _thd.drawstyle & 0xF;
int offset;
assert(type <= 5);
offset = _AutorailTilehSprite[ti->tileh][_AutorailType[type][0]];
if (offset >= 0) {
image = SPR_AUTORAIL_BASE + offset;
pal = PAL_NONE;
} else {
image = SPR_AUTORAIL_BASE - offset;
pal = PALETTE_TO_RED;
}
DrawSelectionSprite(image, _thd.make_square_red ? PALETTE_SEL_TILE_RED : pal, ti);
DrawAutorailSelection(ti, _AutorailType[type][0]);
} else if (IsPartOfAutoLine(ti->x, ti->y)) {
/* autorail highlighting long line */
int dir = _thd.drawstyle & ~0xF0;
int offset;
uint side;
if (dir < 2) {
@ -780,16 +798,7 @@ static void DrawTileSelection(const TileInfo *ti)
side = delta(delta(TileX(start), TileX(ti->tile)), delta(TileY(start), TileY(ti->tile)));
}
offset = _AutorailTilehSprite[ti->tileh][_AutorailType[dir][side]];
if (offset >= 0) {
image = SPR_AUTORAIL_BASE + offset;
pal = PAL_NONE;
} else {
image = SPR_AUTORAIL_BASE - offset;
pal = PALETTE_TO_RED;
}
DrawSelectionSprite(image, _thd.make_square_red ? PALETTE_SEL_TILE_RED : pal, ti);
DrawAutorailSelection(ti, _AutorailType[dir][side]);
}
return;
}
@ -800,7 +809,7 @@ static void DrawTileSelection(const TileInfo *ti)
IS_INSIDE_1D(ti->x, _thd.pos.x + _thd.offs.x, _thd.size.x + _thd.outersize.x) &&
IS_INSIDE_1D(ti->y, _thd.pos.y + _thd.offs.y, _thd.size.y + _thd.outersize.y)) {
/* Draw a blue rect. */
DrawSelectionSprite(SPR_SELECT_TILE + _tileh_to_sprite[ti->tileh], PALETTE_SEL_TILE_BLUE, ti);
DrawTileSelectionRect(ti, PALETTE_SEL_TILE_BLUE);
return;
}
}