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-rw-r--r--src/gfx.cpp146
1 files changed, 35 insertions, 111 deletions
diff --git a/src/gfx.cpp b/src/gfx.cpp
index 938404c3b..bb112a47a 100644
--- a/src/gfx.cpp
+++ b/src/gfx.cpp
@@ -817,124 +817,38 @@ void DrawSprite(SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub,
}
}
-static void GfxMainBlitterViewport(const Sprite *sprite, int x, int y, BlitterMode mode, const SubSprite *sub, SpriteID sprite_id)
+/**
+ * The code for setting up the blitter mode and sprite information before finally drawing the sprite.
+ * @param sprite The sprite to draw.
+ * @param x The X location to draw.
+ * @param y The Y location to draw.
+ * @param mode The settings for the blitter to pass.
+ * @param sub Whether to only draw a sub set of the sprite.
+ * @param zoom The zoom level at which to draw the sprites.
+ * @tparam ZOOM_BASE The factor required to get the sub sprite information into the right size.
+ * @tparam SCALED_XY Whether the X and Y are scaled or unscaled.
+ */
+template <int ZOOM_BASE, bool SCALED_XY>
+static void GfxBlitter(const Sprite * const sprite, int x, int y, BlitterMode mode, const SubSprite * const sub, SpriteID sprite_id, ZoomLevel zoom)
{
const DrawPixelInfo *dpi = _cur_dpi;
Blitter::BlitterParams bp;
/* Amount of pixels to clip from the source sprite */
- int clip_left = (sub != NULL ? max(0, -sprite->x_offs + sub->left * ZOOM_LVL_BASE ) : 0);
- int clip_top = (sub != NULL ? max(0, -sprite->y_offs + sub->top * ZOOM_LVL_BASE ) : 0);
- int clip_right = (sub != NULL ? max(0, sprite->width - (-sprite->x_offs + (sub->right + 1) * ZOOM_LVL_BASE)) : 0);
- int clip_bottom = (sub != NULL ? max(0, sprite->height - (-sprite->y_offs + (sub->bottom + 1) * ZOOM_LVL_BASE)) : 0);
+ int clip_left = (sub != NULL ? max(0, -sprite->x_offs + sub->left * ZOOM_BASE ) : 0);
+ int clip_top = (sub != NULL ? max(0, -sprite->y_offs + sub->top * ZOOM_BASE ) : 0);
+ int clip_right = (sub != NULL ? max(0, sprite->width - (-sprite->x_offs + (sub->right + 1) * ZOOM_BASE)) : 0);
+ int clip_bottom = (sub != NULL ? max(0, sprite->height - (-sprite->y_offs + (sub->bottom + 1) * ZOOM_BASE)) : 0);
if (clip_left + clip_right >= sprite->width) return;
if (clip_top + clip_bottom >= sprite->height) return;
- /* Move to the correct offset */
- x += sprite->x_offs;
- y += sprite->y_offs;
-
- /* Copy the main data directly from the sprite */
- bp.sprite = sprite->data;
- bp.sprite_width = sprite->width;
- bp.sprite_height = sprite->height;
- bp.width = UnScaleByZoom(sprite->width - clip_left - clip_right, dpi->zoom);
- bp.height = UnScaleByZoom(sprite->height - clip_top - clip_bottom, dpi->zoom);
- bp.top = 0;
- bp.left = 0;
- bp.skip_left = UnScaleByZoomLower(clip_left, dpi->zoom);
- bp.skip_top = UnScaleByZoomLower(clip_top, dpi->zoom);
-
- x += ScaleByZoom(bp.skip_left, dpi->zoom);
- y += ScaleByZoom(bp.skip_top, dpi->zoom);
-
- bp.dst = dpi->dst_ptr;
- bp.pitch = dpi->pitch;
- bp.remap = _colour_remap_ptr;
-
- assert(sprite->width > 0);
- assert(sprite->height > 0);
-
- if (bp.width <= 0) return;
- if (bp.height <= 0) return;
-
- y -= dpi->top;
- /* Check for top overflow */
- if (y < 0) {
- bp.height -= -UnScaleByZoom(y, dpi->zoom);
- if (bp.height <= 0) return;
- bp.skip_top += -UnScaleByZoom(y, dpi->zoom);
- y = 0;
- } else {
- bp.top = UnScaleByZoom(y, dpi->zoom);
- }
-
- /* Check for bottom overflow */
- y += ScaleByZoom(bp.height, dpi->zoom) - dpi->height;
- if (y > 0) {
- bp.height -= UnScaleByZoom(y, dpi->zoom);
- if (bp.height <= 0) return;
- }
-
- x -= dpi->left;
- /* Check for left overflow */
- if (x < 0) {
- bp.width -= -UnScaleByZoom(x, dpi->zoom);
- if (bp.width <= 0) return;
- bp.skip_left += -UnScaleByZoom(x, dpi->zoom);
- x = 0;
- } else {
- bp.left = UnScaleByZoom(x, dpi->zoom);
+ if (SCALED_XY) {
+ /* Scale it */
+ x = ScaleByZoom(x, zoom);
+ y = ScaleByZoom(y, zoom);
}
- /* Check for right overflow */
- x += ScaleByZoom(bp.width, dpi->zoom) - dpi->width;
- if (x > 0) {
- bp.width -= UnScaleByZoom(x, dpi->zoom);
- if (bp.width <= 0) return;
- }
-
- assert(bp.skip_left + bp.width <= UnScaleByZoom(sprite->width, dpi->zoom));
- assert(bp.skip_top + bp.height <= UnScaleByZoom(sprite->height, dpi->zoom));
-
- /* We do not want to catch the mouse. However we also use that spritenumber for unknown (text) sprites. */
- if (_newgrf_debug_sprite_picker.mode == SPM_REDRAW && sprite_id != SPR_CURSOR_MOUSE) {
- Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
- void *topleft = blitter->MoveTo(bp.dst, bp.left, bp.top);
- void *bottomright = blitter->MoveTo(topleft, bp.width - 1, bp.height - 1);
-
- void *clicked = _newgrf_debug_sprite_picker.clicked_pixel;
-
- if (topleft <= clicked && clicked <= bottomright) {
- uint offset = (((size_t)clicked - (size_t)topleft) / (blitter->GetScreenDepth() / 8)) % bp.pitch;
- if (offset < (uint)bp.width) {
- _newgrf_debug_sprite_picker.sprites.Include(sprite_id);
- }
- }
- }
-
- BlitterFactoryBase::GetCurrentBlitter()->Draw(&bp, mode, dpi->zoom);
-}
-
-static void GfxMainBlitter(const Sprite *sprite, int x, int y, BlitterMode mode, const SubSprite *sub, SpriteID sprite_id, ZoomLevel zoom)
-{
- const DrawPixelInfo *dpi = _cur_dpi;
- Blitter::BlitterParams bp;
-
- /* Amount of pixels to clip from the source sprite */
- int clip_left = (sub != NULL ? max(0, -sprite->x_offs + sub->left ) : 0);
- int clip_top = (sub != NULL ? max(0, -sprite->y_offs + sub->top ) : 0);
- int clip_right = (sub != NULL ? max(0, sprite->width - (-sprite->x_offs + sub->right + 1)) : 0);
- int clip_bottom = (sub != NULL ? max(0, sprite->height - (-sprite->y_offs + sub->bottom + 1)) : 0);
-
- if (clip_left + clip_right >= sprite->width) return;
- if (clip_top + clip_bottom >= sprite->height) return;
-
- /* Scale it */
- x = ScaleByZoom(x, zoom);
- y = ScaleByZoom(y, zoom);
-
/* Move to the correct offset */
x += sprite->x_offs;
y += sprite->y_offs;
@@ -963,7 +877,7 @@ static void GfxMainBlitter(const Sprite *sprite, int x, int y, BlitterMode mode,
if (bp.width <= 0) return;
if (bp.height <= 0) return;
- y -= ScaleByZoom(dpi->top, zoom);
+ y -= SCALED_XY ? ScaleByZoom(dpi->top, zoom) : dpi->top;
/* Check for top overflow */
if (y < 0) {
bp.height -= -UnScaleByZoom(y, zoom);
@@ -975,13 +889,13 @@ static void GfxMainBlitter(const Sprite *sprite, int x, int y, BlitterMode mode,
}
/* Check for bottom overflow */
- y += ScaleByZoom(bp.height - dpi->height, zoom);
+ y += SCALED_XY ? ScaleByZoom(bp.height - dpi->height, zoom) : ScaleByZoom(bp.height, zoom) - dpi->height;
if (y > 0) {
bp.height -= UnScaleByZoom(y, zoom);
if (bp.height <= 0) return;
}
- x -= ScaleByZoom(dpi->left, zoom);
+ x -= SCALED_XY ? ScaleByZoom(dpi->left, zoom) : dpi->left;
/* Check for left overflow */
if (x < 0) {
bp.width -= -UnScaleByZoom(x, zoom);
@@ -993,7 +907,7 @@ static void GfxMainBlitter(const Sprite *sprite, int x, int y, BlitterMode mode,
}
/* Check for right overflow */
- x += ScaleByZoom(bp.width - dpi->width, zoom);
+ x += SCALED_XY ? ScaleByZoom(bp.width - dpi->width, zoom) : ScaleByZoom(bp.width, zoom) - dpi->width;
if (x > 0) {
bp.width -= UnScaleByZoom(x, zoom);
if (bp.width <= 0) return;
@@ -1021,6 +935,16 @@ static void GfxMainBlitter(const Sprite *sprite, int x, int y, BlitterMode mode,
BlitterFactoryBase::GetCurrentBlitter()->Draw(&bp, mode, zoom);
}
+static void GfxMainBlitterViewport(const Sprite *sprite, int x, int y, BlitterMode mode, const SubSprite *sub, SpriteID sprite_id)
+{
+ GfxBlitter<ZOOM_LVL_BASE, false>(sprite, x, y, mode, sub, sprite_id, _cur_dpi->zoom);
+}
+
+static void GfxMainBlitter(const Sprite *sprite, int x, int y, BlitterMode mode, const SubSprite *sub, SpriteID sprite_id, ZoomLevel zoom)
+{
+ GfxBlitter<1, true>(sprite, x, y, mode, sub, sprite_id, zoom);
+}
+
void DoPaletteAnimations();
void GfxInitPalettes()
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-11-28 08:14:55 +0000