Initial import of Red Planet v4.10 Win32 source
Imports the current Win32 source for the pod-racing game 'Red Planet', built on the MUNGA engine and its L4 (Win32/DirectX) platform layer: - MUNGA / MUNGA_L4: cross-platform engine core and Win32 backend - RP / RP_L4: Red Planet game logic and Win32 application - DivLoader, Setup1: asset loader and installer project - lib, MUNGA_L4/openal, MUNGA_L4/sos: third-party audio dependencies Removed stale Subversion metadata and added .gitignore/.gitattributes. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Claude Opus 4.8
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#include "mungal4.h"
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#pragma hdrstop
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#include "l4plasma.h"
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#include "..\munga\time.h"
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//########################################################################
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//############################# PlasmaDisplay ############################
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//########################################################################
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PlasmaDisplay::PlasmaDisplay(
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//Win32 Serial Support: ADB 02/24/2007
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//Word port,
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const char* port
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//Word int_num
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):
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Video8BitBuffered(plasmaWidth, plasmaHeight),
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forceAll(False)
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{
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//------------------------------------
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// Create serial interface
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//------------------------------------
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//Win32 Serial Support: ADB 02/24/2007
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//pc_serial = new PCSerial(PCS_9600, PCS_N81, port, int_num);
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pc_serial = new PCSerial(PCS_9600, PCS_N81, port);
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if (pc_serial != NULL)
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{
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Register_Object(pc_serial);
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pc_serial->FlowControlEnable(False);
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//------------------------------------
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// Turn off the cursor
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//------------------------------------
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static char
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cursorOffString[] = { 27 /*ESC*/, 'G', (char) 0x00 };
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pc_serial->SendString(cursorOffString, 3);
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}
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//------------------------------------
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// Clear update flag array
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//------------------------------------
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currentTransferLine = 0;
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updateInProgress = False;
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for(int i=0; i<plasmaHeight; ++i)
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{
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updateFlag[i] = 0;
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}
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this->DrawFilledRectangle(0, 0xFF, GraphicsDisplay::Replace, 0, 0, this->width - 1, this->height - 1);
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this->Update(True);
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Check_Fpu();
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}
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PlasmaDisplay::~PlasmaDisplay()
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{
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if (pc_serial != NULL)
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{
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//---------------------------------------------------------------------
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// Flush data to plasma display
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//---------------------------------------------------------------------
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this->DrawFilledRectangle(0, 0xFF, GraphicsDisplay::Replace, 0, 0, this->width - 1, this->height - 1);
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this->Update(True);
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WaitForUpdate();
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// This odd sequence of allocation, setting, and adding is necessary:
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// if you try to combine them, the compiler gets confused as to which
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// method to invoke for 'Now()'.
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Time
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then;
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then = Now();
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then += 5.0f;
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while (Now() < then)
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{
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//---------------------------------------------------
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// Drop out of loop when ALL data has been sent
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//---------------------------------------------------
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if (pc_serial->CanDraw() <= 0)
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{
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if (!pc_serial->IsActive())
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{
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break;
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}
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}
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}
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//---------------------------------------------------------------------
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// Delete the serial interface
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//---------------------------------------------------------------------
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Unregister_Object(pc_serial);
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delete pc_serial;
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}
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Check_Fpu();
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}
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Logical
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PlasmaDisplay::TestInstance() const
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{
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return Video8BitBuffered::TestInstance();
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}
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void
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PlasmaDisplay::ShowInstance(char *indent)
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{
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std::cout << indent << "Plasma:\n";
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char
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temp[80];
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Str_Copy(temp,indent, 80);
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Str_Cat(temp,"...", 80);
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Video8BitBuffered::ShowInstance(temp);
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Check_Fpu();
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}
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int
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sendLine(
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char *transfer_pointer,
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int line_number,
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Byte *source_pointer,
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int source_width
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)
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{
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int
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x,
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index;
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Byte
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byte,
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byte_bit;
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//--------------------------------------------
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// Send header
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//--------------------------------------------
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transfer_pointer[0] = (char) 27; // ascii ESC
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transfer_pointer[1] = 'P'; // graphics command
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transfer_pointer[2] = (char) 0; // screen number
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transfer_pointer[3] = (char) line_number; // Y position
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transfer_pointer[4] = (char) 0; // X BYTE position
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transfer_pointer[5] = (char) ((source_width+7)>>3); // width in bytes
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transfer_pointer[6] = (char) 1;
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transfer_pointer += 7;
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//pc_serial->SendString(graphics, 7);
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//--------------------------------------------
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// Send data
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//--------------------------------------------
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byte = 0;
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byte_bit = 0x80;
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index = 0;
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for(x=0; x<source_width; ++x)
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{
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//
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// Add bit to byte
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//
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if (*source_pointer++)
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{
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byte |= byte_bit;
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}
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//
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// Update bit position
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//
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byte_bit >>= 1;
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//
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// If entire byte collected, send it
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//
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if (byte_bit == 0)
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{
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Verify(index < sizeof(graphics));
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*transfer_pointer = byte;
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transfer_pointer++;
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index++;
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byte = 0;
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byte_bit = 0x80;
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}
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}
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//
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// End of source line: send remaining bits
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//
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if (byte_bit != 0x80)
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{
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transfer_pointer[index++] = byte;
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}
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//
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// Send graphics data
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//
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//pc_serial->SendString(graphics, index);
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Check_Fpu();
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return index + 7;
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}
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void
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PlasmaDisplay::Scan(Logical forceAll)
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{
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Word
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changed_line = (Word) forceAll,
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*changed_line_pointer = changedLine;
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char
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*update_pointer=updateFlag;
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int
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y;
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for(y=0; y<plasmaHeight; ++y,++update_pointer)
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{
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//---------------------------------------------------------
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// Scan for changed lines
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//---------------------------------------------------------
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changed_line += *changed_line_pointer;
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*changed_line_pointer++ = 0;
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if (changed_line)
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{
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*update_pointer = 1;
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updateInProgress = True;
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}
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}
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Check_Fpu();
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}
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Logical
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PlasmaDisplay::Update(Logical force_all)
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{
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Time startSendLine,endSendLine,startWhile,endWhile,dataSendStart,dataSendEnd;
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Time start = Now();
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int __totalTransferLength;
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Time allStarts[100], allEnds[100];
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int
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transfer_count,
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total_count;
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Logical
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result = True; // True == 'more to send, not done'
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if (pc_serial != NULL && pc_serial->CanDraw())
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{
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//-----------------------------------------
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// Accumulate changed lines
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//-----------------------------------------
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forceAll |= force_all;
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if (currentTransferLine == 0)
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{
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Scan(forceAll);
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forceAll = False;
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}
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//-----------------------------------------
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// Send only if the buffer is empty
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//-----------------------------------------
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total_count = plasmaHeight;
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transfer_count = 7;
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int transfer_length = 32 * transfer_count;
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char *transfer_data = new char[transfer_length];
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char *transfer_pointer = transfer_data;
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int total_transfer_count = transfer_count;
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int total_transfer_length = 0;
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startWhile = Now();
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int i = 0;
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while(transfer_count>0)
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{
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//-----------------------------------------
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// Transfer a line if it's ready
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//-----------------------------------------
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allStarts[i] = Now();
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if (updateFlag[currentTransferLine])
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{
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//-----------------------------------------
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// Decrement the 'transfer count'
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//-----------------------------------------
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--transfer_count;
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//-----------------------------------------
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// Clear the 'update' flag
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//-----------------------------------------
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updateFlag[currentTransferLine] = 0;
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//-----------------------------------------
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// Send the line data to the display
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//-----------------------------------------
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startSendLine = Now();
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int length = sendLine(transfer_pointer, currentTransferLine,
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pixelBuffer->Data.MapPointer +
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(pixelBuffer->Data.Size.x * currentTransferLine),
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pixelBuffer->Data.Size.x
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);
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endSendLine = Now();
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transfer_pointer += length;
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total_transfer_length += length;
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}
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allEnds[i] = Now();
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//-----------------------------------------
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// Increment currentTransferLine
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//-----------------------------------------
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if (++currentTransferLine >= plasmaHeight)
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{
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currentTransferLine = 0;
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}
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//-----------------------------------------
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// Reset to top if all lines scanned
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//-----------------------------------------
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if (--total_count < 0)
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{
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currentTransferLine = 0; // reset to top line
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updateInProgress = False;
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result = False; // False == 'all data sent'
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break;
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}
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i++;
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}
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endWhile = Now();
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dataSendStart = Now();
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if (total_transfer_length > 0)
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{
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this->pc_serial->SendString(transfer_data, total_transfer_length);
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}
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dataSendEnd = Now();
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__totalTransferLength = total_transfer_length;
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delete [] transfer_data;
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}
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Check_Fpu();
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Time end = Now();
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if (end.ticks - start.ticks > 100)
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{
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start = end;
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}
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return result;
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}
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void
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PlasmaDisplay::WaitForUpdate()
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{
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Time
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end_time;
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end_time = Now();
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end_time += 5.0f; // We'll wait this many seconds to update the display-
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while (updateInProgress)
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{
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Update(False);
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if (Now() >= end_time)
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{
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break;
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}
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}
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Check_Fpu();
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}
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