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engines/icb/common/px_walkarea_integer.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.
+ *
+ * Additional copyright for this file:
+ * Copyright (C) 1999-2000 Revolution Software Ltd.
+ * This code is based on source code created by Revolution Software,
+ * used with permission.
+ *
+ * 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 WALKAREA_H
+#define WALKAREA_H
+
+#include "engines/icb/common/px_rcutypes.h"
+
+namespace ICB {
+
+#define INTEGER_WALKAREA_API_SCHEMA 1
+
+struct __point { // 3D integer coordinate representation
+	__point(void) : x(0), y(0), z(0) { ; }
+	__point(int32 X, int32 Y, int32 Z) : x(X), y(Y), z(Z) { ; }
+
+	int32 x;
+	int32 y;
+	int32 z;
+};
+
+struct __aWalkArea{
+	char name[32];         // Name of the walkarea
+	char cameraCluster[8]; // Hashed cameraName value
+
+	// Bounding box dimensions
+	int32 x; // Top-left corner x coordinate (Revolution space)
+	int32 y; // Top-left corner y coordinate (Revolution space)
+	int32 z; // Top-left corner z coordinate (Revolution space)
+	int32 w; // Width
+	int32 h; // Height
+
+	// THE AREA DEFINITION (All in Revolution space)
+	uint32 noPoints;   // Number of verteces\knots in 2D spline
+	__point points[1]; // The points themselves (spline is always closed)
+
+	char cameraName[1]; // Name of associated camera (DWORD aligned)
+};
+
+class INTEGER_WalkAreaFile {
+public:
+	uint32 schema; // The format version
+	char ID[4];    // ID "WGA"
+
+	// Class methods
+
+	INTEGER_WalkAreaFile() { ; }
+	~INTEGER_WalkAreaFile() { ; }
+
+	uint32 GetSchema(void) const { return schema; }
+	uint32 GetNoAreas(void) const { return noAreas; }
+
+	// Get pointer to a specific WalkArea
+	inline const __aWalkArea *GetWalkArea(uint32 number) const;
+	inline uint32 GetNoPoints(uint32 number) const;
+	inline int32 GetBox_X(uint32 number) const;
+	inline int32 GetBox_Y(uint32 number) const;
+	inline int32 GetBox_Z(uint32 number) const;
+	inline int32 GetBox_W(uint32 number) const;
+	inline int32 GetBox_H(uint32 number) const;
+
+	bool8 GetAreaName(uint32 number, const char *&name) const;
+	bool8 GetCluster(uint32 number, const char *&cluster) const;
+	bool8 GetPoint(uint32 area, uint32 number, __point &point) const;
+	bool8 GetCameraName(uint32 number, const char *&name) const;
+
+private:
+	uint32 noAreas;
+	uint32 offsetTable[1];
+};
+
+inline const __aWalkArea *INTEGER_WalkAreaFile::GetWalkArea(uint32 number) const { return ((const __aWalkArea *)(((const char *)this) + offsetTable[number])); }
+
+inline uint32 INTEGER_WalkAreaFile::GetNoPoints(uint32 number) const { return (GetWalkArea(number)->noPoints); }
+
+inline int32 INTEGER_WalkAreaFile::GetBox_X(uint32 number) const { return (GetWalkArea(number)->x); }
+
+inline int32 INTEGER_WalkAreaFile::GetBox_Y(uint32 number) const { return (GetWalkArea(number)->y); }
+
+inline int32 INTEGER_WalkAreaFile::GetBox_Z(uint32 number) const { return (GetWalkArea(number)->z); }
+
+inline int32 INTEGER_WalkAreaFile::GetBox_W(uint32 number) const { return (GetWalkArea(number)->w); }
+
+inline int32 INTEGER_WalkAreaFile::GetBox_H(uint32 number) const { return (GetWalkArea(number)->h); }
+
+inline bool8 INTEGER_WalkAreaFile::GetAreaName(uint32 number, const char *&name) const {
+	if (number >= noAreas)
+		return FALSE8;
+
+	name = GetWalkArea(number)->name;
+
+	return TRUE8;
+}
+
+inline bool8 INTEGER_WalkAreaFile::GetCluster(uint32 number, const char *&cluster) const {
+	if (number >= noAreas)
+		return FALSE8;
+
+	cluster = GetWalkArea(number)->cameraCluster;
+
+	return TRUE8;
+}
+
+inline bool8 INTEGER_WalkAreaFile::GetPoint(uint32 area, uint32 number, __point &point) const {
+	if (area >= noAreas)
+		return FALSE8;
+
+	point.x = GetWalkArea(area)->points[number].x;
+	point.y = GetWalkArea(area)->points[number].y;
+	point.z = GetWalkArea(area)->points[number].z;
+
+	return TRUE8;
+}
+
+inline bool8 INTEGER_WalkAreaFile::GetCameraName(uint32 number, const char *&name) const {
+	if (number >= noAreas)
+		return FALSE8;
+
+	// Get the address of the start of the cameraName (by asking for a point that isn't there
+	name = (const char *)&GetWalkArea(number)->points[GetNoPoints(number)];
+
+	return TRUE8;
+}
+
+} // End of namespace ICB
+
+#endif