From 07633a064c062bc5e997c6aa74a48aa4a82e8cc8 Mon Sep 17 00:00:00 2001
From: peter1138 <peter1138@openttd.org>
Date: Fri, 25 Nov 2011 23:06:17 +0000
Subject: [PATCH] (svn r23329) -Fix (r23316): Scale child sprite pixel offsets
 unless told not to. Fixes lifts and industry graphics.

---
 src/viewport.cpp    | 10 +++++-----
 src/viewport_func.h |  2 +-
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/viewport.cpp b/src/viewport.cpp
index 56b2941aae..0d97c3d248 100644
--- a/src/viewport.cpp
+++ b/src/viewport.cpp
@@ -513,7 +513,7 @@ static void AddChildSpriteToFoundation(SpriteID image, PaletteID pal, const SubS
 	int *old_child = _vd.last_child;
 	_vd.last_child = _vd.last_foundation_child[foundation_part];
 
-	AddChildSpriteScreen(image, pal, offs.x + extra_offs_x, offs.y + extra_offs_y, false, sub);
+	AddChildSpriteScreen(image, pal, offs.x + extra_offs_x, offs.y + extra_offs_y, false, sub, false);
 
 	/* Switch back to last ChildSprite list */
 	_vd.last_child = old_child;
@@ -611,7 +611,7 @@ static void AddCombinedSprite(SpriteID image, PaletteID pal, int x, int y, int z
 		return;
 
 	const ParentSpriteToDraw *pstd = _vd.parent_sprites_to_draw.End() - 1;
-	AddChildSpriteScreen(image, pal, pt.x - pstd->left, pt.y - pstd->top, false, sub);
+	AddChildSpriteScreen(image, pal, pt.x - pstd->left, pt.y - pstd->top, false, sub, false);
 }
 
 /**
@@ -794,7 +794,7 @@ bool IsInsideRotatedRectangle(int x, int y)
  * @param transparent if true, switch the palette between the provided palette and the transparent palette,
  * @param sub Only draw a part of the sprite.
  */
-void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool transparent, const SubSprite *sub)
+void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool transparent, const SubSprite *sub, bool scale)
 {
 	assert((image & SPRITE_MASK) < MAX_SPRITES);
 
@@ -813,8 +813,8 @@ void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool tran
 	cs->image = image;
 	cs->pal = pal;
 	cs->sub = sub;
-	cs->x = x;
-	cs->y = y;
+	cs->x = scale ? x * ZOOM_LVL_BASE : x;
+	cs->y = scale ? y * ZOOM_LVL_BASE : y;
 	cs->next = -1;
 
 	/* Append the sprite to the active ChildSprite list.
diff --git a/src/viewport_func.h b/src/viewport_func.h
index 7faa173a1b..dba28bb9ea 100644
--- a/src/viewport_func.h
+++ b/src/viewport_func.h
@@ -50,7 +50,7 @@ void OffsetGroundSprite(int x, int y);
 void DrawGroundSprite(SpriteID image, PaletteID pal, const SubSprite *sub = NULL, int extra_offs_x = 0, int extra_offs_y = 0);
 void DrawGroundSpriteAt(SpriteID image, PaletteID pal, int32 x, int32 y, int z, const SubSprite *sub = NULL, int extra_offs_x = 0, int extra_offs_y = 0);
 void AddSortableSpriteToDraw(SpriteID image, PaletteID pal, int x, int y, int w, int h, int dz, int z, bool transparent = false, int bb_offset_x = 0, int bb_offset_y = 0, int bb_offset_z = 0, const SubSprite *sub = NULL);
-void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool transparent = false, const SubSprite *sub = NULL);
+void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool transparent = false, const SubSprite *sub = NULL, bool scale = true);
 void ViewportAddString(const DrawPixelInfo *dpi, ZoomLevel small_from, const ViewportSign *sign, StringID string_normal, StringID string_small, StringID string_small_shadow, uint64 params_1, uint64 params_2 = 0, Colours colour = INVALID_COLOUR);