Initial commit

engines/ags/engine/ac/gui_inv.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "ags/shared/gui/gui_inv.h"
+#include "ags/shared/gui/gui_main.h"
+#include "ags/engine/ac/draw.h"
+#include "ags/shared/ac/game_setup_struct.h"
+#include "ags/engine/ac/game_state.h"
+#include "ags/engine/ac/character_extras.h"
+#include "ags/shared/ac/sprite_cache.h"
+#include "ags/shared/gfx/bitmap.h"
+
+namespace AGS3 {
+namespace AGS {
+namespace Shared {
+
+bool GUIInvWindow::HasAlphaChannel() const {
+	// We would have to test every inventory item's graphic to tell precisely,
+	// so just test game color depth instead:
+	return _GP(game).GetColorDepth() == 32;
+}
+
+int GUIInvWindow::GetCharacterId() const {
+	if (CharId < 0)
+		return _GP(game).playercharacter;
+
+	return CharId;
+}
+
+void GUIInvWindow::Draw(Bitmap *ds, int x, int y) {
+	const bool enabled = IsGUIEnabled(this);
+	if (!enabled && (GUI::Options.DisabledStyle == kGuiDis_Blackout))
+		return;
+
+	// backwards compatibility
+	// TODO: find a way to not have this inside GUIInvWindow::Draw!
+	_GP(play).inv_numinline = ColCount;
+	_GP(play).inv_numdisp = RowCount * ColCount;
+	_GP(play).inv_numorder = _GP(charextra)[_GP(game).playercharacter].invorder_count;
+	// if the user changes top_inv_item, switch into backwards compat mode
+	if (_GP(play).inv_top != 0)
+		_GP(play).inv_backwards_compatibility = 1;
+	if (_GP(play).inv_backwards_compatibility)
+		TopItem = _GP(play).inv_top;
+
+	// draw the items
+	const int leftmost_x = x;
+	int at_x = x;
+	int at_y = y;
+	int lastItem = TopItem + (ColCount * RowCount);
+	if (lastItem > _GP(charextra)[GetCharacterId()].invorder_count)
+		lastItem = _GP(charextra)[GetCharacterId()].invorder_count;
+
+	for (int item = TopItem; item < lastItem; ++item) {
+		// draw inv graphic
+		draw_gui_sprite(ds, _GP(game).invinfo[_GP(charextra)[GetCharacterId()].invorder[item]].pic, at_x, at_y, true);
+		at_x += data_to_game_coord(ItemWidth);
+
+		// go to next row when appropriate
+		if ((item - TopItem) % ColCount == (ColCount - 1)) {
+			at_x = leftmost_x;
+			at_y += data_to_game_coord(ItemHeight);
+		}
+	}
+
+	if (!enabled &&
+		GUI::Options.DisabledStyle == kGuiDis_Greyout &&
+		_GP(play).inventory_greys_out == 1) {
+		// darken the inventory when disabled
+		GUI::DrawDisabledEffect(ds, RectWH(x, y, _width, _height));
+	}
+}
+
+} // namespace Shared
+} // namespace AGS
+} // namespace AGS3