Initial commit

engines/m4/adv_r/adv_chk.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 "m4/adv_r/adv_chk.h"
+#include "m4/core/errors.h"
+#include "m4/core/imath.h"
+#include "m4/fileio/sys_file.h"
+#include "m4/vars.h"
+
+namespace M4 {
+
+static HotSpotRec *read_hotspots(SysFile *fpdef, HotSpotRec *h, int32 num) {
+	int32 str_len;
+	char s[MAX_FILENAME_SIZE];
+	int32 x1, x2, y1, y2;
+	HotSpotRec *head = nullptr;
+
+	for (int32 i = 0; i < num; i++) {
+		x1 = fpdef->readSint32LE();
+		y1 = fpdef->readSint32LE();
+		x2 = fpdef->readSint32LE();
+		y2 = fpdef->readSint32LE();
+
+		h = hotspot_new(x1, y1, x2, y2);
+		if (!head)
+			head = h;
+		else
+			head = hotspot_add(head, h, false);
+
+		h->feet_x = fpdef->readSint32LE();
+		h->feet_y = fpdef->readSint32LE();
+		h->facing = fpdef->readSByte();
+		h->active = fpdef->readSByte();
+		h->cursor_number = fpdef->readSByte();
+		h->syntax = fpdef->readSByte();
+		h->vocabID = fpdef->readSint32LE();
+		h->verbID = fpdef->readSint32LE();
+
+		// -------
+
+		str_len = fpdef->readSint32LE();
+
+		if (str_len) {
+			if (!fpdef->read((byte *)s, str_len))
+				error_show(FL, 0, "Could not read vocab");
+			hotspot_newVocab(h, s);
+		}
+
+		str_len = fpdef->readSint32LE();
+
+		if (str_len) {
+			if (!fpdef->read((byte *)s, str_len))
+				error_show(FL, 0, "Could not read verb");
+			hotspot_newVerb(h, s);
+		}
+
+		str_len = fpdef->readSint32LE();
+
+		if (str_len) {
+			if (!fpdef->read((byte *)s, str_len))
+				error_show(FL, 0, "Could not read prep");
+			hotspot_newPrep(h, s);
+		}
+
+		str_len = fpdef->readSint32LE();
+
+		if (str_len) {
+			if (!fpdef->read((byte *)s, str_len))
+				error_show(FL, 0, "Could not read sprite");
+			hotspot_new_sprite(h, s);
+		}
+
+		h->hash = fpdef->readSint16LE();
+	}
+
+	return head;
+}
+
+static void load_def(SysFile *fpdef) {
+	int32 x, y;
+	char s[MAX_FILENAME_SIZE];
+
+	fpdef->read((byte *)s, MAX_FILENAME_SIZE);
+	Common::strlcpy(_G(myDef)->art_base, s, MAX_FILENAME_SIZE);
+
+	fpdef->read((byte *)s, MAX_FILENAME_SIZE);
+	Common::strlcpy(_G(myDef)->picture_base, s, MAX_FILENAME_SIZE);
+
+	_G(myDef)->num_hotspots = fpdef->readSint32LE();
+	_G(myDef)->num_parallax = fpdef->readSint32LE();
+	_G(myDef)->num_props = fpdef->readSint32LE();
+	_G(myDef)->front_y = fpdef->readSint32LE();
+	_G(myDef)->back_y = fpdef->readSint32LE();
+	_G(myDef)->front_scale = fpdef->readSint32LE();
+	_G(myDef)->back_scale = fpdef->readSint32LE();
+
+	for (int32 i = 0; i < 16; i++) {
+		_G(myDef)->depth_table[i] = fpdef->readSint16LE();
+	}
+
+	_G(myDef)->numRailNodes = fpdef->readSint32LE();
+
+	for (int32 i = 0; i < _G(myDef)->numRailNodes; i++) {
+		x = fpdef->readSint32LE();
+		y = fpdef->readSint32LE();
+
+		if (AddRailNode(x, y, nullptr, true) < 0)
+			error_show(FL, 0, "more than %d (defn. in intrrail.h) nodes", MAXRAILNODES);
+	}
+
+	_G(myDef)->hotspots = read_hotspots(fpdef, nullptr, _G(myDef)->num_hotspots);
+	_G(myDef)->parallax = read_hotspots(fpdef, nullptr, _G(myDef)->num_parallax);
+	_G(myDef)->props = read_hotspots(fpdef, nullptr, _G(myDef)->num_props);
+}
+
+int db_def_chk_read(int16 room_code, SceneDef *rdef) {
+	_G(myDef) = rdef;
+
+	_G(def_filename) = Common::String::format("%03d.chk", room_code);
+	SysFile fpdef(_G(def_filename));
+
+	load_def(&fpdef);
+	fpdef.close();
+
+	return -1; // everything happy code
+}
+
+} // End of namespace M4