openttd 1.4 rc1

--HG-- branch : openttd
2014-03-25 15:18:09 +04:00
commit 09818a1493
1569 changed files with 707338 additions and 0 deletions
--- a/src/sprite.cpp
+++ b/src/sprite.cpp
@@ -0,0 +1,131 @@
+/* $Id: sprite.cpp 24900 2013-01-08 22:46:42Z planetmaker $ */
+
+/*
+ * 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 "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 transparency 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);
+		}
+	}
+}