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Enable recolouring of custom signal graphics (global and per-railtype)

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This commit is contained in:
Jonathan G Rennison
2021-08-21 01:07:41 +01:00
parent 322a046f49
commit f1fde8c684
9 changed files with 92 additions and 35 deletions
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10
src/rail_gui.cpp
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@@ -1790,17 +1790,17 @@ private:
* @param widget_index index of this widget in the window
* @param image the sprite to draw
*/
void DrawSignalSprite(byte widget_index, SpriteID image) const
void DrawSignalSprite(byte widget_index, PalSpriteID image) const
{
Point offset;
Dimension sprite_size = GetSpriteSize(image, &offset);
Dimension sprite_size = GetSpriteSize(image.sprite, &offset);
const NWidgetBase *widget = this->GetWidget<NWidgetBase>(widget_index);
int x = widget->pos_x - offset.x +
(widget->current_x - sprite_size.width + offset.x) / 2; // centered
int y = widget->pos_y - sig_sprite_bottom_offset + WD_IMGBTN_TOP +
(widget->current_y - WD_IMGBTN_TOP - WD_IMGBTN_BOTTOM + sig_sprite_size.height) / 2; // aligned to bottom
DrawSprite(image, PAL_NONE,
DrawSprite(image.sprite, image.pal,
x + this->IsWidgetLowered(widget_index),
y + this->IsWidgetLowered(widget_index));
}
@@ -1847,7 +1847,7 @@ public:
for (uint variant = SIG_ELECTRIC; variant <= SIG_SEMAPHORE; variant++) {
for (uint lowered = 0; lowered < 2; lowered++) {
Point offset;
Dimension sprite_size = GetSpriteSize(rti->gui_sprites.signals[type][variant][lowered], &offset);
Dimension sprite_size = GetSpriteSize(rti->gui_sprites.signals[type][variant][lowered].sprite, &offset);
this->sig_sprite_bottom_offset = std::max<int>(this->sig_sprite_bottom_offset, sprite_size.height);
this->sig_sprite_size.width = std::max<int>(this->sig_sprite_size.width, sprite_size.width - offset.x);
this->sig_sprite_size.height = std::max<int>(this->sig_sprite_size.height, sprite_size.height - offset.y);
@@ -1882,7 +1882,7 @@ public:
/* Extract signal from widget number. */
SignalType type = TypeForClick((widget - WID_BS_SEMAPHORE_NORM) % SIGTYPE_END);
int var = SIG_SEMAPHORE - (widget - WID_BS_SEMAPHORE_NORM) / SIGTYPE_END; // SignalVariant order is reversed compared to the widgets.
SpriteID sprite = GetRailTypeInfo(_cur_railtype)->gui_sprites.signals[type][var][this->IsWidgetLowered(widget)];
PalSpriteID sprite = GetRailTypeInfo(_cur_railtype)->gui_sprites.signals[type][var][this->IsWidgetLowered(widget)];
this->DrawSignalSprite(widget, sprite);
}