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engines/ultima/nuvie/portraits/portrait_u6.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 "ultima/nuvie/core/nuvie_defs.h"
+
+#include "ultima/nuvie/conf/configuration.h"
+#include "ultima/nuvie/gui/widgets/console.h"
+#include "ultima/nuvie/files/nuvie_io_file.h"
+#include "ultima/nuvie/files/u6_shape.h"
+#include "ultima/nuvie/screen/dither.h"
+#include "ultima/nuvie/core/game.h"
+
+#include "ultima/nuvie/actors/actor_manager.h"
+#include "ultima/nuvie/actors/actor.h"
+#include "ultima/nuvie/portraits/portrait_u6.h"
+#include "ultima/nuvie/files/u6_lzw.h"
+#include "ultima/nuvie/misc/u6_misc.h"
+
+#include "ultima/nuvie/core/u6_objects.h"
+
+namespace Ultima {
+namespace Nuvie {
+
+//define temporary portraits.
+
+#define PORTRAIT_U6_GARGOYLE 194
+#define PORTRAIT_U6_GUARD 193
+#define PORTRAIT_U6_WISP 192
+#define PORTRAIT_U6_EXODUS 191
+#define PORTRAIT_U6_NOTHING 188
+
+
+bool PortraitU6::init() {
+	Common::Path filename;
+
+	avatar_portrait_num = 0;
+
+	width = 56;
+	height = 64;
+
+	config_get_path(config, "portrait.a", filename);
+	if (portrait_a.open(filename, 4) == false) {
+		ConsoleAddError("Opening " + filename.toString());
+		return false;
+	}
+	config_get_path(config, "portrait.b", filename);
+	if (portrait_b.open(filename, 4) == false) {
+		ConsoleAddError("Opening " + filename.toString());
+		return false;
+	}
+	config_get_path(config, "portrait.z", filename);
+	if (portrait_z.open(filename, 4) == false) {
+		ConsoleAddError("Opening " + filename.toString());
+		return false;
+	}
+
+	return true;
+}
+
+bool PortraitU6::load(NuvieIO *objlist) {
+	// U6 only?
+	objlist->seek(0x1c72);
+
+	avatar_portrait_num = objlist->read1(); //read in the avatar portrait number from objlist.
+	if (avatar_portrait_num > 0)
+		avatar_portrait_num--;
+
+	return true;
+}
+
+uint8 PortraitU6::get_portrait_num(Actor *actor) const {
+	uint8 num;
+
+	if (actor == nullptr)
+		return NO_PORTRAIT_FOUND;
+
+	num = actor->get_actor_num();
+
+	if (actor->is_avatar()) { // avatar portrait
+		num = avatar_portrait_num;
+	} else {
+		if (num != 0)
+			num -= 1;
+
+		if (num == (188 - 1))
+			num = PORTRAIT_U6_EXODUS - 1; // Exodus
+		else if (num >= (192 - 1) && num <= (200 - 1)) // Shrines, Temple of Singularity
+			return NO_PORTRAIT_FOUND;
+		else if (num > 194) { // there are 194 npc portraits
+			switch (actor->get_obj_n()) { //check for temporary actors with portraits. eg guards and wisps
+			case OBJ_U6_GUARD :
+				num = PORTRAIT_U6_GUARD - 1;
+				break;
+			case OBJ_U6_WISP :
+				num = PORTRAIT_U6_WISP - 1;
+				break;
+			case OBJ_U6_GARGOYLE :
+				num = PORTRAIT_U6_GARGOYLE - 1;
+				break;
+			default :
+				return NO_PORTRAIT_FOUND;
+			}
+		}
+	}
+
+	return num;
+}
+
+unsigned char *PortraitU6::get_portrait_data(Actor *actor) {
+	U6Lzw lzw;
+	U6Lib_n *portrait;
+	unsigned char *lzw_data;
+	uint32 new_length;
+	unsigned char *new_portrait;
+	uint8 num = get_portrait_num(actor);
+	if (num == NO_PORTRAIT_FOUND)
+		return nullptr;
+
+	if (actor->is_avatar()) { // avatar portrait
+		portrait = &portrait_z;
+	} else {
+		if (num < 98)
+			portrait = &portrait_a;
+		else {
+			num -= 98;
+			portrait = &portrait_b;
+		}
+	}
+
+	lzw_data = portrait->get_item(num);
+	if (!lzw_data)
+		return nullptr;
+	new_portrait = lzw.decompress_buffer(lzw_data, portrait->get_item_size(num), new_length);
+	free(lzw_data);
+	Game::get_game()->get_dither()->dither_bitmap(new_portrait, PORTRAIT_WIDTH, PORTRAIT_HEIGHT, true);
+
+	return new_portrait;
+}
+
+} // End of namespace Nuvie
+} // End of namespace Ultima