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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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef STARTREK_SPACE_H
#define STARTREK_SPACE_H
#include "fixedint.h"
namespace StarTrek {
class FileStream;
template<typename T>
struct TPoint {
T x;
T y;
T z;
TPoint() : x(0), y(0), z(0) {}
TPoint(T _x, T _y, T _z) : x(_x), y(_y), z(_z) {}
int32 getDiagonal() {
return sqrt(x * x + y * y + z * z);
}
TPoint<T> operator+(const TPoint<T> &p) const {
TPoint<T> p2;
p2.x = x + p.x;
p2.y = y + p.y;
p2.z = z + p.z;
return p2;
}
TPoint<T> operator-(const TPoint<T> &p) const {
TPoint<T> p2;
p2.x = x - p.x;
p2.y = y - p.y;
p2.z = z - p.z;
return p2;
}
void operator+=(const TPoint &p) {
x += p.x;
y += p.y;
z += p.z;
}
void operator-=(const TPoint &p) {
x -= p.x;
y -= p.y;
z -= p.z;
}
T &operator[](int i) {
if (i == 0)
return x;
else if (i == 1)
return y;
else if (i == 2)
return z;
assert(false);
}
T operator[](int i) const {
if (i == 0)
return x;
else if (i == 1)
return y;
else if (i == 2)
return z;
assert(false);
}
};
typedef TPoint<int32> Point3;
typedef TPoint<int16> Point3_Short;
typedef TPoint<Fixed14> Point_Fixed14;
template<typename T>
struct TMatrix {
private:
T m[3];
public:
TMatrix() {
for (int i = 0; i < 3; i++)
for (int j = 0; j < 3; j++)
m[i][j] = 0;
}
TMatrix(const TMatrix<T> &mat) {
m[0] = mat.m[0];
m[1] = mat.m[1];
m[2] = mat.m[2];
}
T &operator[](int i) {
return m[i];
};
T operator[](int i) const {
return m[i];
};
TMatrix operator*(const TMatrix &m2) const {
TMatrix ret;
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
ret[i][j] = 0;
for (int a = 0; a < 3; a++)
ret[i][j] += m[i][a] * m2[a][j];
}
}
return ret;
}
void operator*=(const TMatrix &m2) {
*this = *this * m2;
}
TMatrix<T> invert() {
TMatrix<T> ret;
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
ret[i][j] = m[j][i];
}
}
return ret;
}
};
typedef TMatrix<Point_Fixed14> Matrix;
struct Star {
bool active;
Point3 pos;
};
// Struct for objects in space.
// TODO: what does this stand for? Maybe rename it.
struct R3 {
Point3 pos; // 0x0
Matrix matrix; // 0xc
int16 field1e; // 0x1e
int16 field20; // 0x20
int16 field22; // 0x22
int16 field24; // 0x24
Point3_Short speed; // 0x26
int32 funcPtr1; // 0x2c
int32 funcPtr2; // 0x30
int16 field34; // 0x34
Point3 field36; // 0x36
Matrix matrix2; // 0x42
int32 field54; // 0x54 (used for sorting by draw priority?)
int16 field58; // 0x58
int16 field5a; // 0x5a
SharedPtr<FileStream> shpFile; // 0x68
int16 bitmapOffset; // 0x6a
double field80; // 0x80
double field88; // 0x88
double field90; // 0x90
double field98; // 0x98
};
// Maximum number of stars visible at once in the starfields
#define NUM_STARS 16
// Maximum number of R3 objects in space at once
#define NUM_SPACE_OBJECTS 0x30
}
#endif
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