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TITANIC: Implementing CStarControlSub5 class
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@dreammaster
dreammaster committed Mar 6, 2017
1 parent 56206fe commit cf37d01
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Showing 4 changed files with 233 additions and 8 deletions.
178 changes: 175 additions & 3 deletions engines/titanic/star_control/star_control_sub5.cpp
View file
Expand Up @@ -22,28 +22,200 @@

#include "titanic/star_control/star_control_sub5.h"
#include "titanic/star_control/star_control_sub12.h"
#include "titanic/titanic.h"

namespace Titanic {

CStarControlSub5::CStarControlSub5() : _flag(true) {
void CStarControlSub5::SubEntry::clear() {
if (_data2P) {
delete[] _data2P;
_data2P = nullptr;
_field4 = 0;
}

if (_data1P) {
delete[] _data1P;
_data1P = nullptr;
_field0 = 0;
}
}

bool CStarControlSub5::setup() {
/*------------------------------------------------------------------------*/

bool CStarControlSub5::MemoryBlock::allocate() {
// TODO
return true;
}

/*------------------------------------------------------------------------*/

CStarControlSub5::CStarControlSub5() : _flag(true), _dataP(nullptr),
_field78B0(0) {
}

CStarControlSub5::~CStarControlSub5() {
delete[] _dataP;
_dataP = nullptr;
}

bool CStarControlSub5::setup() {
bool success = setupEntry(5, 5, 4, 1024.0)
&& setupEntry(7, 7, 3, 1024.0)
&& setupEntry(8, 8, 2, 1024.0)
&& setupEntry(16, 16, 1, 1024.0)
&& setupEntry(24, 24, 0, 1024.0);
if (success)
success = setup2(24, 24);

return success;
}

bool CStarControlSub5::setup2(int val1, int val2) {
// TODO: Original set an explicit random seed here. Could be
// problematic if following random values need to be deterministic
double FACTOR = 3.1415927 * 0.0055555557;
const int VALUES1[] = { 0x800, 0xC00, 0x1000, 0x1400, 0x1800 };
const int VALUES2[] = {
0xF95BCD, 0xA505A0, 0xFFAD43, 0x98F4EB, 0xF3EFA5, 0,
0xFFFFFF, 0x81EEF5, 0x5FFD3, 0x4EE4FA, 0x11C3FF, 0x28F3F4,
0x36FCF2, 0x29F1FD, 0x29BCFD, 0x98E3F4, 0xBBF3D9, 0x8198F5,
0x5BE4F9, 0x0D6E2, 0x74EEF6, 0x68DEF8
};

Entry *e = &_entries[0];
for (int idx = 0; idx < 256; ++idx) {
if (idx == 0) {
e->_field0 = 0x4C8;
e->_field4 = 0x40;
e->_field5 = 0x40;
e->_field6 = 0x40;
e->_field8 = g_vm->getRandomNumber(3) + 3;
e->_fieldC = g_vm->getRandomNumber(255);
e->_field10 = FACTOR * 7.0;
e->_field14 = 0.0084687499;

++e;
e->_field0 = 0x574;
e->_field4 = 0x7f;
e->_field5 = 0;
e->_field6 = 0;
e->_field8 = g_vm->getRandomNumber(3) + 3;
e->_fieldC = g_vm->getRandomNumber(255);
e->_field10 = FACTOR * 3.0;
e->_field14 = 0.021011719;

++e;
e->_field0 = 0x603;
e->_field4 = 0;
e->_field5 = 0;
e->_field6 = 0xff;
e->_field8 = g_vm->getRandomNumber(3) + 3;
e->_fieldC = g_vm->getRandomNumber(255);
e->_field10 = 0;
e->_field14 = 0.022144532;

++e;
e->_field0 = 0x712;
e->_field4 = 0xff;
e->_field5 = 0;
e->_field6 = 0;
e->_field8 = g_vm->getRandomNumber(3) + 3;
e->_fieldC = g_vm->getRandomNumber(255);
e->_field10 = FACTOR * 2.0;
e->_field14 = 0.01178125;

++e;
e->_field0 = 0xe7f;
e->_field4 = 0xe6;
e->_field5 = 0xbe;
e->_field6 = 0;
e->_field8 = g_vm->getRandomNumber(3) + 3;
e->_fieldC = g_vm->getRandomNumber(255);
e->_field10 = FACTOR * 1.0;
e->_field14 = 0.24791406;

++e;
e->_field0 = 0x173f;
e->_field4 = 0xf0;
e->_field5 = 0xf0;
e->_field6 = 0xe6;
e->_field8 = g_vm->getRandomNumber(3) + 3;
e->_fieldC = g_vm->getRandomNumber(255);
e->_field10 = FACTOR * 3.0;
e->_field14 = 0.20832032;

++e;
e->_field0 = 0x2ab8;
e->_field4 = 0x28;
e->_field5 = 0x32;
e->_field6 = 0x28;
e->_field8 = g_vm->getRandomNumber(3) + 3;
e->_fieldC = g_vm->getRandomNumber(255);
e->_field10 = FACTOR * 1.0;
e->_field14 = 0.088164061;

++e;
e->_field0 = 0x40ac;
e->_field4 = 0x0;
e->_field5 = 0xbe;
e->_field6 = 0xf0;
e->_field8 = g_vm->getRandomNumber(3) + 3;
e->_fieldC = g_vm->getRandomNumber(255);
e->_field10 = FACTOR * 2.0;
e->_field14 = 0.084375001;

++e;
e->_field0 = 0x539c;
e->_field4 = 0x20;
e->_field5 = 0x20;
e->_field6 = 0x20;
e->_field8 = g_vm->getRandomNumber(3) + 3;
e->_fieldC = g_vm->getRandomNumber(255);
e->_field10 = FACTOR * 17.0;
e->_field14 = 0.00390625;
} else {
for (int ctr = 0; ctr < 5; ++ctr) {
e->_field0 = static_cast<int>(g_vm->getRandomFloat() * 1350.0
- 675.0) + VALUES1[idx];
int val = VALUES2[g_vm->getRandomNumber(15)];
e->_field4 = val & 0xff;
e->_field5 = (val >> 8) & 0xff;
e->_field6 = (val >> 16) & 0xff;
e->_field8 = g_vm->getRandomNumber(3) + 3;

e->_fieldC = g_vm->getRandomNumber(255);
e->_field10 = FACTOR * (double)g_vm->getRandomNumber(15);
e->_field14 = ((double)g_vm->getRandomNumber(0xffffffff)
* 50.0 * 0.000015259022) * 0.00390625;
}
}
}

if (_memoryBlock.allocate()) {
_dataP = new byte[((val2 - 2) * val1 + 2) * 24];
return true;
}

return false;
}

void CStarControlSub5::proc2(CStarControlSub6 *sub6, FVector *vector, double v1, double v2, double v3,
CSurfaceArea *surfaceArea, CStarControlSub12 *sub12) {
// TODO
}

void CStarControlSub5::proc3(CErrorCode *errorCode) {
// TODO
++_field78B0;
errorCode->set();
}

void CStarControlSub5::fn1() {
_flag = !_flag;
}

bool CStarControlSub5::setupEntry(int val1, int val2, int index, double val3) {
// TODO
return true;
}

} // End of namespace Titanic
56 changes: 51 additions & 5 deletions engines/titanic/star_control/star_control_sub5.h
View file
Expand Up @@ -35,21 +35,67 @@ class CStarControlSub5 {
struct SubEntry {
int _field0;
int _field4;
byte *_data1P;
byte *_data2P;
SubEntry() : _field0(0), _field4(0), _data1P(nullptr), _data2P(nullptr) {}
~SubEntry() { clear(); }

/**
* Clears the entry
*/
void clear();
};

struct Entry {
int _field0;
byte _field4;
byte _field5;
byte _field6;
int _field8;
int _fieldC;
double _field10;
byte _field14;
byte _field15;

Entry() : _field0(0), _field4(0), _field5(0), _field6(0), _field8(0),
_fieldC(0), _field10(0), _field14(0), _field15(0) {}
};

struct MemoryBlock {
public:
byte *_ptr;
public:
MemoryBlock() : _ptr(nullptr) {}
~MemoryBlock() { delete[] _ptr; }

/**
* Allocates the memory block
*/
bool allocate();
};
private:
bool _flag;
CStarControlSub6 _sub1, _sub2;
#if 0
SubEntry _array[5];
int _field7914;
int _field78AC;
Entry _entries[1284];
int _field78B0;
#endif
MemoryBlock _memoryBlock;
byte *_dataP;
private:
/**
* Sets up the data for an array entry
* @return True if success
*/
bool setupEntry(int val1, int val2, int index, double val3);

/**
* Secondary setup method
* @return True if success
*/
bool setup2(int val1, int val2);
public:
CStarControlSub5();
virtual ~CStarControlSub5() {}
virtual ~CStarControlSub5();

virtual bool setup();
virtual void proc2(CStarControlSub6 *sub6, FVector *vector, double v1, double v2, double v3,
Expand Down
4 changes: 4 additions & 0 deletions engines/titanic/star_control/star_control_sub8.cpp
View file
Expand Up @@ -69,4 +69,8 @@ void CStarControlSub8::draw(CSurfaceArea *surfaceArea) {
// TODO
}

void CStarControlSub8::clear() {
// TODO
}

} // End of namespace Titanic
3 changes: 3 additions & 0 deletions engines/titanic/star_control/star_control_sub8.h
View file
Expand Up @@ -51,6 +51,7 @@ class CStarControlSub8 {
int _fieldC;
public:
CStarControlSub8();
~CStarControlSub8() { clear(); }

/**
* Load the data for the class from file
Expand All @@ -73,6 +74,8 @@ class CStarControlSub8 {
void fn2(CVideoSurface *surface, CStarField *starField, CStarControlSub7 *sub7);
void fn3();
FPoint getPosition() const;

void clear();
};

} // End of namespace Titanic
Expand Down

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