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engines/m4/adv_r/adv_rails.h

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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/>.
+ *
+ */
+
+#ifndef M4_ADV_R_ADV_RAILS_H
+#define M4_ADV_R_ADV_RAILS_H
+
+#include "m4/m4_types.h"
+#include "m4/adv_r/adv.h"
+#include "m4/wscript/ws_machine.h"
+
+namespace M4 {
+
+struct Rails_Globals {
+	railNode **myNodes = nullptr;
+	int16 *myEdges = nullptr;
+
+	railNode **stackBottom = nullptr, **stackTop = nullptr;
+	noWalkRect *noWalkRectList = nullptr;
+
+	int32 memtypePATHN = 0;
+};
+
+bool InitRails();
+void rail_system_shutdown();
+void ClearRails();
+noWalkRect *intr_add_no_walk_rect(int32 x1, int32 y1, int32 x2, int32 y2, int32 altX, int32 altY, Buffer *walkCodes);
+noWalkRect *intr_add_no_walk_rect(int32 x1, int32 y1, int32 x2, int32 y2, int32 altX, int32 altY);
+void intr_move_no_walk_rect(noWalkRect *myRect, int32 new_x1, int32 new_y1,
+	int32 new_x2, int32 new_y2, int32 new_altX, int32 new_altY, Buffer *walkCodes);
+void intr_remove_no_walk_rect(noWalkRect *myRect, Buffer *walkCodes);
+void intr_remove_no_walk_rect(noWalkRect *myRect);
+void CreateEdge(int32 node1, int32 node2, Buffer *walkCodes);
+void RestoreNodeEdges(int32 nodeID, Buffer *walkCodes);
+void RestoreEdgeList(Buffer *walkCodes);
+int32 AddRailNode(int32 x, int32 y, Buffer *walkCodes, bool restoreEdges);
+void MoveRailNode(int32 nodeID, int32 x, int32 y, Buffer *walkCodes, bool restoreEdges);
+bool RemoveRailNode(int32 nodeID, Buffer *walkCodes, bool restoreEdges);
+bool RailNodeExists(int32 nodeID, int32 *nodeX, int32 *nodeY);
+int16 GetEdgeLength(int32 node1, int32 node2);
+bool GetShortestPath(int32 origID, int32 destID, railNode **shortPath);
+railNode *CreateCustomPath(int coord, ...);
+void DisposePath(railNode *pathStart);
+bool intr_LineCrossesRect(int32 line_x1, int32 line_y1, int32 line_x2, int32 line_y2,
+	int32 rect_x1, int32 rect_y1, int32 rect_x2, int32 rect_y2);
+bool intr_LinesCross(int32 line1_x1, int32 line1_y1, int32 line1_x2, int32 line1_y2,
+	int32 line2_x1, int32 line2_y1, int32 line2_x2, int32 line2_y2);
+bool intr_PathCrossesLine(int32 startX, int32 startY, railNode *pathStart,
+	int32 line_x1, int32 line_y1, int32 line_x2, int32 line_y2);
+
+} // End of namespace M4
+
+#endif