scummvm/engines/icb/common/px_walkarea_integer.h
2021-12-26 21:19:38 +01:00

150 lines
4.7 KiB
C++

/* 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