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-rw-r--r--backends/morphos/morphos.cpp1645
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diff --git a/backends/morphos/morphos.cpp b/backends/morphos/morphos.cpp
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--- a/backends/morphos/morphos.cpp
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-/* ScummVM - Scumm Interpreter
- * Copyright (C) 2002 Rüdiger Hanke
- *
- * 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.
- *
- * MorphOS interface
- *
- * $URL$
- * $Id$
- *
- */
-
-#include "common/stdafx.h"
-#include "base/engine.h"
-#include "common/util.h"
-#include "scumm/scumm.h"
-
-#include <exec/types.h>
-#include <exec/memory.h>
-#include <exec/libraries.h>
-#include <exec/semaphores.h>
-#include <devices/ahi.h>
-#include <devices/rawkeycodes.h>
-#include <dos/dostags.h>
-#include <intuition/screens.h>
-#include <cybergraphics/cybergraphics.h>
-#include <devices/input.h>
-#include <devices/inputevent.h>
-#include <intuition/intuition.h>
-
-#include <clib/alib_protos.h>
-#include <proto/exec.h>
-#include <proto/dos.h>
-#include <proto/graphics.h>
-#include <proto/intuition.h>
-#include <proto/keymap.h>
-#include <proto/timer.h>
-#include <proto/cdda.h>
-#include <proto/cybergraphics.h>
-
-#include <time.h>
-
-#include "morphos.h"
-#include "morphos_sound.h"
-#include "morphos_scaler.h"
-
-static TagItem PlayTags[] = { { CDPA_StartTrack, 1 },
- { CDPA_StartFrame, 0 },
- { CDPA_EndTrack, 1 },
- { CDPA_EndFrame, 0 },
- { CDPA_Loops, 1 },
- { TAG_DONE, 0 }
- };
-
-static CONST_STRPTR MonkeyCDIDs[] = { "ID2500496F035CBC", "ID250040360345DB", NULL };
-static CONST_STRPTR LoomCDIDs[] = { NULL };
-static CONST_STRPTR MonkeyNames[] = { "Monkey1CD", "Madness", NULL };
-static CONST_STRPTR LoomNames[] = { "LoomCD", NULL };
-
-#define BLOCKSIZE_X 32
-#define BLOCKSIZE_Y 8
-
-#define BLOCKS_X (ScummBufferWidth/BLOCKSIZE_X)
-#define BLOCKS_Y (ScummBufferHeight/BLOCKSIZE_Y)
-#define BLOCK_ID(x, y) ((y/BLOCKSIZE_Y)*BLOCKS_X+(x/BLOCKSIZE_X))
-
-OSystem_MorphOS *OSystem_MorphOS::create(SCALERTYPE gfx_scaler, bool full_screen)
-{
- OSystem_MorphOS *syst = new OSystem_MorphOS(gfx_scaler, full_screen);
-
- if (!syst || !syst->Initialise())
- {
- delete syst;
- error("Failed to create system object. Exiting.");
- }
-
- return syst;
-}
-
-OSystem_MorphOS::OSystem_MorphOS(SCALERTYPE gfx_mode, bool full_screen)
-{
- ScummScreen = NULL;
- ScummWindow = NULL;
- ScummBuffer = NULL;
- ScummScreenBuffer[0] = NULL;
- ScummScreenBuffer[1] = NULL;
- ScummRenderTo = NULL;
- ScummNoCursor = NULL;
- ScummSoundThread = NULL;
- ScummWinX = -1;
- ScummWinY = -1;
- ScummDefaultMouse = false;
- ScummOrigMouse = false;
- ScummShakePos = 0;
- ScummScaler = gfx_mode;
- ScummScale = (gfx_mode == ST_NONE) ? 0 : 1;
- ScummDepth = 0;
- Scumm16ColFmt16 = false;
- ScummScrWidth = 0;
- ScummScrHeight = 0;
- ScreenChanged = false;
- DirtyBlocks = NULL;
- BlockColors = NULL;
- UpdateRects = 0;
- Scaler = NULL;
- FullScreenMode = full_screen;
- CDrive = NULL;
- CDDATrackOffset = 0;
- strcpy(ScummWndTitle, "ScummVM MorphOS");
- TimerMsgPort = NULL;
- TimerIORequest = NULL;
- InputMsgPort = NULL;
- InputIORequest = NULL;
- ThreadPort = NULL;
- OvlCMap = NULL;
- OvlBitMap = NULL;
- OvlSavedBuffer = NULL;
- TimerBase = NULL;
- ScummNoCursor = NULL;
- UpdateRegion = NULL;
- NewUpdateRegion = NULL;
- MouseImage = NULL;
-}
-
-bool OSystem_MorphOS::Initialise()
-{
- OpenATimer(&TimerMsgPort, (IORequest **) &TimerIORequest, UNIT_MICROHZ);
-
- if ((InputMsgPort = CreateMsgPort()))
- {
- if ((InputIORequest = (IOStdReq*) CreateIORequest(InputMsgPort, sizeof (IOStdReq))))
- {
- if ((OpenDevice("input.device", NULL, (IORequest *) InputIORequest, NULL)))
- {
- DeleteIORequest(InputIORequest);
- DeleteMsgPort(InputMsgPort);
- InputIORequest = NULL;
- InputMsgPort = NULL;
- }
- }
- else
- {
- DeleteMsgPort(InputMsgPort);
- InputMsgPort = NULL;
- }
- }
-
- if (!InputIORequest)
- {
- warning("input.device could not be opened");
- return false;
- }
-
- ThreadPort = CreateMsgPort();
- if (!ThreadPort)
- {
- warning("Unable to create a message port");
- return false;
- }
-
- OvlCMap = GetColorMap(256);
-
- InitSemaphore(&CritSec);
-
- TimerBase = (Library*) TimerIORequest->tr_node.io_Device;
- ScummNoCursor = (UWORD *) AllocVec(16, MEMF_CLEAR);
- UpdateRegion = NewRegion();
- NewUpdateRegion = NewRegion();
- if (!UpdateRegion || !NewUpdateRegion)
- {
- warning("Could not create region for screen update");
- return false;
- }
- if (!OvlCMap)
- {
- warning("Could not allocate overlay color map");
- return false;
- }
- if (!ScummNoCursor)
- {
- warning("Could not allocate empty cursor image");
- return false;
- }
-
- return true;
-}
-
-OSystem_MorphOS::~OSystem_MorphOS()
-{
- if (DirtyBlocks)
- {
- FreeVec(DirtyBlocks);
-
- for (int b = 0; b < BLOCKS_X*BLOCKS_Y; b++)
- FreeVec(BlockColors[b]);
- FreeVec(BlockColors);
- }
-
- if (OvlCMap)
- FreeColorMap(OvlCMap);
-
- delete Scaler;
-
- if (UpdateRegion)
- DisposeRegion(UpdateRegion);
-
- if (NewUpdateRegion)
- DisposeRegion(NewUpdateRegion);
-
- if (ThreadPort)
- DeleteMsgPort(ThreadPort);
-
- if (CDrive && CDDABase)
- {
- CDDA_Stop(CDrive);
- CDDA_ReleaseDrive(CDrive);
- }
-
- if (InputIORequest)
- {
- CloseDevice((IORequest *) InputIORequest);
- DeleteIORequest((IORequest *) InputIORequest);
- }
-
- if (InputMsgPort)
- DeleteMsgPort(InputMsgPort);
-
- if (TimerIORequest)
- {
- CloseDevice((IORequest *) TimerIORequest);
- DeleteIORequest((IORequest *) TimerIORequest);
- }
-
- if (TimerMsgPort)
- DeleteMsgPort(TimerMsgPort);
-
- if (ScummNoCursor)
- FreeVec(ScummNoCursor);
-
- if (ScummBuffer)
- FreeVec(ScummBuffer);
-
- if (OvlSavedBuffer)
- FreeVec(OvlSavedBuffer);
-
- if (ScummRenderTo && !ScummScreen)
- FreeBitMap(ScummRenderTo);
-
- if (OvlBitMap)
- FreeVec(OvlBitMap);
-
- if (ScummWindow)
- CloseWindow(ScummWindow);
-
- if (ScummScreen)
- {
- if (ScummScreenBuffer[0])
- FreeScreenBuffer(ScummScreen, ScummScreenBuffer[0]);
- if( ScummScreenBuffer[1] )
- FreeScreenBuffer(ScummScreen, ScummScreenBuffer[1]);
- CloseScreen(ScummScreen);
- }
-}
-
-bool OSystem_MorphOS::OpenATimer(MsgPort **port, IORequest **req, ULONG unit, bool required)
-{
- *req = NULL;
- const char *err_msg = NULL;
-
- *port = CreateMsgPort();
- if (*port)
- {
- *req = (IORequest *) CreateIORequest(*port, sizeof (timerequest));
- if (*req)
- {
- if (OpenDevice(TIMERNAME, unit, *req, 0))
- {
- DeleteIORequest(*req);
- *req = NULL;
- err_msg = "Failed to open timer device";
- }
- }
- else
- err_msg = "Failed to create IO request";
- }
- else
- err_msg = "Failed to create message port";
-
- if (err_msg)
- {
- if (required)
- error(err_msg);
- warning(err_msg);
- }
-
- return *req != NULL;
-}
-
-uint32 OSystem_MorphOS::getMillis()
-{
- int ticks = clock();
- ticks *= (1000/CLOCKS_PER_SEC);
- return ticks;
-}
-
-void OSystem_MorphOS::delayMillis(uint msecs)
-{
-/* TimerIORequest->tr_node.io_Command = TR_ADDREQUEST;
- TimerIORequest->tr_time.tv_secs = 0;
- TimerIORequest->tr_time.tv_micro = msecs*1000;
- DoIO((IORequest *) TimerIORequest);*/
- TimeDelay(UNIT_MICROHZ, 0, msecs*1000);
-}
-
-void OSystem_MorphOS::setTimerCallback(TimerProc callback, int timer)
-{
- warning("setTimerCallback() unexpectedly called");
-}
-
-OSystem::MutexRef OSystem_MorphOS::createMutex()
-{
- SignalSemaphore *sem = (SignalSemaphore *) AllocVec(sizeof (SignalSemaphore), MEMF_PUBLIC);
-
- if (sem)
- InitSemaphore(sem);
-
- return (MutexRef)sem;
-}
-
-void OSystem_MorphOS::lockMutex(MutexRef mutex)
-{
- ObtainSemaphore((SignalSemaphore *) mutex);
-}
-
-void OSystem_MorphOS::unlockMutex(MutexRef mutex)
-{
- ReleaseSemaphore((SignalSemaphore *)mutex);
-}
-
-void OSystem_MorphOS::deleteMutex(MutexRef mutex)
-{
- FreeVec(mutex);
-}
-
-uint32 OSystem_MorphOS::property(int param, Property *value)
-{
- AUTO_LOCK
-
- switch (param)
- {
- case PROP_GET_FULLSCREEN:
- return ScummScreen != NULL;
-
- case PROP_TOGGLE_FULLSCREEN:
- CreateScreen(CSDSPTYPE_TOGGLE);
- return 1;
-
- case PROP_SET_WINDOW_CAPTION:
- sprintf(ScummWndTitle, "ScummVM MorphOS - %s", value->caption);
- if (ScummWindow)
- SetWindowTitles(ScummWindow, ScummWndTitle, ScummWndTitle);
- return 1;
-
- case PROP_OPEN_CD:
- {
- CONST_STRPTR *ids = NULL, *names = NULL;
-
- if (g_scumm)
- GameID = g_scumm->_gameId;
-
- switch (GameID)
- {
- case GID_MONKEY:
- case GID_MONKEY_SEGA:
- ids = MonkeyCDIDs;
- names = MonkeyNames;
- break;
-
- case GID_LOOM256:
- ids = LoomCDIDs;
- names = LoomNames;
- break;
- }
-
- if (!CDDABase) CDDABase = OpenLibrary("cdda.library", 2);
- if (CDDABase)
- {
- CDrive = NULL;
- if (ids)
- {
- int i = 0;
-
- while (ids[i] && !CDrive)
- {
- TagItem FindCDTags[] = { { CDFA_CDID, (ULONG) ids[i] },
- { TAG_DONE, 0 }
- };
- CDrive = CDDA_FindNextDriveA(NULL, FindCDTags);
- i++;
- }
- }
-
- if (!CDrive && names)
- {
- int i = 0;
-
- while (names[i] && !CDrive)
- {
- TagItem FindCDTags[] = { { CDFA_VolumeName, (ULONG) names[i] },
- { TAG_DONE, 0 }
- };
- CDrive = CDDA_FindNextDriveA(NULL, FindCDTags);
- i++;
- }
- }
-
- if (CDrive)
- {
- if (!CDDA_ObtainDriveA(CDrive, CDDA_SHARED_ACCESS, NULL))
- {
- CDrive = NULL;
- warning("Failed to obtain CD drive - music will not play");
- }
- else if (GameID == GID_LOOM256)
- {
- // Offset correction *may* be required
- CDS_TrackInfo ti = { sizeof (CDS_TrackInfo) };
-
- if (CDDA_GetTrackInfo(CDrive, 1, 0, &ti))
- CDDATrackOffset = ti.ti_TrackStart.tm_Format.tm_Frame-22650;
- }
- }
- else
- warning( "Could not find game CD inserted in CD-ROM drive - cd audio will not play" );
- }
- else
- warning( "Failed to open cdda.library - cd audio will not play" );
- break;
- }
-
- case PROP_GET_SAMPLE_RATE:
- return SAMPLES_PER_SEC;
- }
-
- return 0;
-}
-
-void OSystem_MorphOS::playCD(int track, int num_loops, int start_frame, int duration)
-{
- if (CDrive && start_frame >= 0)
- {
- if (start_frame > 0)
- start_frame -= CDDATrackOffset;
-
- PlayTags[0].ti_Data = track;
- PlayTags[1].ti_Data = start_frame;
- PlayTags[2].ti_Data = (duration == 0) ? track+1 : track;
- PlayTags[3].ti_Data = duration ? start_frame+duration : 0;
- PlayTags[4].ti_Data = (num_loops == 0) ? 1 : num_loops;
- CDDA_PlayA(CDrive, PlayTags);
- }
-}
-
-void OSystem_MorphOS::stopCD()
-{
- if (CDrive)
- CDDA_Stop(CDrive);
-}
-
-bool OSystem_MorphOS::pollCD()
-{
- ULONG status;
-
- if (CDrive == NULL)
- return false;
-
- CDDA_GetAttr(CDDA_Status, CDrive, &status);
- return status == CDDA_Status_Busy;
-}
-
-void OSystem_MorphOS::updateCD()
-{
-}
-
-void OSystem_MorphOS::quit()
-{
- int num_threads = 0;
-
- if (ScummSoundThread)
- {
- num_threads++;
- Signal((Task *) ScummSoundThread, SIGBREAKF_CTRL_C);
- ScummSoundThread = NULL;
- }
-
- // TODO: this code could probably greatly simplified now that there is
- // only one thread left...
- while (num_threads > 0)
- {
- Message* msg;
-
- WaitPort(ThreadPort);
- while (msg = GetMsg(ThreadPort))
- num_threads--;
- }
-
- exit(0);
-}
-
-#define CVT8TO32(col) ((col<<24) | (col<<16) | (col<<8) | col)
-
-void OSystem_MorphOS::setPalette(const byte *colors, uint start, uint num)
-{
- const byte *data = colors;
- UWORD changed_colors[256];
- UWORD num_changed = 0;
-
- for (uint i = start; i != start+num; i++)
- {
- ULONG color32 = (data[0] << 16) | (data[1] << 8) | data[2];
- if (color32 != ScummColors[i])
- {
- if (ScummDepth == 8)
- SetRGB32(&ScummScreen->ViewPort, i, CVT8TO32(data[0]), CVT8TO32(data[1]), CVT8TO32(data[2]));
- ScummColors16[i] = Scumm16ColFmt16 ? (((data[0]*31)/255) << 11) | (((data[1]*63)/255) << 5) | ((data[ 2 ]*31)/255) : (((data[0]*31)/255) << 10) | (((data[1]*31)/255) << 5) | ((data[2]*31)/255);
- ScummColors[i] = color32;
- changed_colors[num_changed++] = i;
- }
- data += 4;
- }
-
- if (ScummScale || ScummDepth != 8)
- {
- if (DirtyBlocks && num_changed < 200)
- {
- for (int b = 0; b < BLOCKS_X*BLOCKS_Y; b++)
- {
- UWORD *block_colors = BlockColors[b];
- UWORD *color_ptr = changed_colors;
- for (int c = 0; c < num_changed; c++)
- {
- if (block_colors[*color_ptr++])
- {
- UWORD x, y;
- x = b % BLOCKS_X;
- y = b / BLOCKS_X;
- DirtyBlocks[b] = true;
- AddUpdateRect(x*BLOCKSIZE_X, y*BLOCKSIZE_Y, BLOCKSIZE_X, BLOCKSIZE_Y);
- break;
- }
- }
- }
- }
- else
- AddUpdateRect(0, 0, ScummBufferWidth, ScummBufferHeight);
- }
-}
-
-void OSystem_MorphOS::CreateScreen(CS_DSPTYPE dspType)
-{
- LONG mode = INVALID_ID;
- int depths[] = { 8, 32, 16, 15, 0 };
- int i;
- Screen *wb = NULL;
-
- if (dspType != CSDSPTYPE_KEEP)
- FullScreenMode = (dspType == CSDSPTYPE_FULLSCREEN) || (dspType == CSDSPTYPE_TOGGLE && !FullScreenMode);
-
- if (ScummRenderTo && !ScummScreen)
- FreeBitMap(ScummRenderTo);
- ScummRenderTo = NULL;
-
- if (ScummWindow)
- {
- if (ScummScreen == NULL)
- {
- ScummWinX = ScummWindow->LeftEdge;
- ScummWinY = ScummWindow->TopEdge;
- }
- CloseWindow (ScummWindow);
- ScummWindow = NULL;
- }
-
- if (ScummScreen)
- {
- if (ScummScreenBuffer[0])
- FreeScreenBuffer(ScummScreen, ScummScreenBuffer[0]);
- if (ScummScreenBuffer[1])
- FreeScreenBuffer(ScummScreen, ScummScreenBuffer[1]);
- CloseScreen(ScummScreen);
- ScummScreen = NULL;
- }
-
- ScummScrWidth = ScummBufferWidth << ScummScale;
- ScummScrHeight = ScummBufferHeight << ScummScale;
-
- if (FullScreenMode)
- {
- for (i = ScummScale; mode == INVALID_ID && depths[i]; i++)
- mode = BestCModeIDTags(CYBRBIDTG_NominalWidth, ScummScrWidth,
- CYBRBIDTG_NominalHeight, ScummScrHeight,
- CYBRBIDTG_Depth, depths[i],
- TAG_DONE
- );
- ScummDepth = depths[i-1];
-
- if (mode == INVALID_ID)
- error("Could not find suitable screenmode");
-
- ScummScreen = OpenScreenTags(NULL, SA_AutoScroll, TRUE,
- SA_Depth, ScummDepth,
- SA_Width, STDSCREENWIDTH,
- SA_Height, STDSCREENHEIGHT,
- SA_DisplayID, mode,
- SA_ShowTitle, FALSE,
- SA_Type, CUSTOMSCREEN,
- SA_Title, "ScummVM MorphOS",
- TAG_DONE
- );
-
- if (ScummScreen == NULL)
- error("Failed to open screen");
-
- LONG RealDepth = GetBitMapAttr(&ScummScreen->BitMap, BMA_DEPTH);
- if (RealDepth != ScummDepth)
- {
- warning("Screen did not open in expected depth");
- ScummDepth = RealDepth;
- }
- ScummScreenBuffer[0] = AllocScreenBuffer(ScummScreen, NULL, SB_SCREEN_BITMAP);
- ScummScreenBuffer[1] = AllocScreenBuffer(ScummScreen, NULL, 0);
- ScummRenderTo = ScummScreenBuffer[1]->sb_BitMap;
- ScummPaintBuffer = 1;
-
- if (ScummScreenBuffer[0] == NULL || ScummScreenBuffer[1] == NULL)
- error("Failed to allocate screen buffer");
-
- // Make both buffers black to avoid grey strip on bottom of screen
- RastPort rp;
- InitRastPort(&rp);
- SetRGB32(&ScummScreen->ViewPort, 0, 0, 0, 0);
- rp.BitMap = ScummScreenBuffer[0]->sb_BitMap;
- FillPixelArray(&ScummScreen->RastPort, 0, 0, ScummScreen->Width, ScummScreen->Height, 0);
- rp.BitMap = ScummRenderTo;
- FillPixelArray(&rp, 0, 0, ScummScreen->Width, ScummScreen->Height, 0);
-
- if (ScummDepth == 8)
- {
- for (int color = 0; color < 256; color++)
- {
- ULONG r, g, b;
-
- r = (ScummColors[color] >> 16) & 0xff;
- g = (ScummColors[color] >> 8) & 0xff;
- b = (ScummColors[color] >> 0) & 0xff;
- SetRGB32(&ScummScreen->ViewPort, color, CVT8TO32(r), CVT8TO32(g), CVT8TO32(b));
- }
- }
- }
- else
- {
- wb = LockPubScreen(NULL);
- if (wb == NULL)
- error("Could not lock default public screen");
-
- ScreenToFront(wb);
- }
-
- ScummWindow = OpenWindowTags(NULL, WA_Left, (wb && ScummWinX >= 0) ? ScummWinX : 0,
- WA_Top, wb ? ((ScummWinY >= 0) ? ScummWinY : wb->BarHeight+1) : 0,
- WA_InnerWidth, FullScreenMode ? ScummScreen->Width : ScummScrWidth,
- WA_InnerHeight, FullScreenMode ? ScummScreen->Height : ScummScrHeight,
- WA_Activate, TRUE,
- WA_Title, wb ? ScummWndTitle : NULL,
- WA_ScreenTitle, wb ? ScummWndTitle : NULL,
- WA_Borderless, FullScreenMode,
- WA_CloseGadget, !FullScreenMode,
- WA_DepthGadget, !FullScreenMode,
- WA_DragBar, !FullScreenMode,
- WA_ReportMouse, TRUE,
- WA_RMBTrap, TRUE,
- WA_IDCMP, IDCMP_RAWKEY |
- IDCMP_MOUSEMOVE |
- IDCMP_CLOSEWINDOW |
- IDCMP_MOUSEBUTTONS,
- WA_CustomScreen, FullScreenMode ? (ULONG)ScummScreen : (ULONG)wb,
- TAG_DONE
- );
-
- if (wb)
- UnlockPubScreen(NULL, wb);
-
- if (ScummWindow == NULL)
- error("Failed to open window");
-
- if (!ScummDefaultMouse)
- {
- SetPointer(ScummWindow, ScummNoCursor, 1, 1, 0, 0);
- ScummOrigMouse = false;
- }
-
- if (ScummScreen == NULL)
- {
- ScummDepth = GetCyberMapAttr(ScummWindow->RPort->BitMap, CYBRMATTR_DEPTH);
- if (ScummDepth == 8)
- error("Default public screen must be 15 bit or higher if you want to play in window mode");
-
- ScummRenderTo = AllocBitMap(ScummScrWidth, ScummScrHeight, ScummDepth, BMF_MINPLANES, ScummWindow->RPort->BitMap);
- if (ScummRenderTo == NULL)
- error("Failed to allocate bitmap");
- }
-
- if ((ScummDepth == 15 && Scumm16ColFmt16) || (ScummDepth == 16 && !Scumm16ColFmt16))
- {
- for (int col = 0; col < 256; col++)
- {
- int r = (ScummColors[col] >> 16) & 0xff;
- int g = (ScummColors[col] >> 8) & 0xff;
- int b = ScummColors[col] & 0xff;
- ScummColors16[col] = (Scumm16ColFmt16 == false) ? (((r*31)/255) << 11) | (((g*63)/255) << 5) | ((b*31)/255) : (((r*31)/255) << 10) | (((g*31)/255) << 5) | ((b*31)/255);
- }
-
- Scumm16ColFmt16 = (ScummDepth == 16);
- }
-
- if (OvlBitMap)
- FreeVec(OvlBitMap);
-
- OvlBitMap = AllocVec(ScummBufferWidth*ScummBufferHeight*3, MEMF_PUBLIC | MEMF_CLEAR);
- if (OvlBitMap == NULL)
- error("Failed to allocated bitmap for overlay");
-
- if (Scaler)
- {
- delete Scaler;
- Scaler = NULL;
- }
-
- if (ScummScale)
- {
- Scaler = MorphOSScaler::Create(ScummScaler, ScummBuffer, ScummBufferWidth, ScummBufferHeight, ScummColors, ScummColors16, ScummRenderTo);
- if (Scaler == NULL)
- {
- warning("Failed to create scaler - scaling will be disabled");
- SwitchScalerTo(ST_NONE);
- }
- }
-
- AddUpdateRect(0, 0, ScummBufferWidth, ScummBufferHeight);
-}
-
-void OSystem_MorphOS::SwitchScalerTo(SCALERTYPE newScaler)
-{
- if (newScaler == ST_NONE && ScummScale != 0)
- {
- if (Scaler)
- {
- delete Scaler;
- Scaler = NULL;
- }
- ScummScale = 0;
- ScummScaler = ST_NONE;
- CreateScreen(ScummScreen ? CSDSPTYPE_FULLSCREEN : CSDSPTYPE_WINDOWED);
- }
- else
- {
- if (ScummScale == 0)
- {
- ScummScale = 1;
- ScummScaler = newScaler;
- CreateScreen(ScummScreen ? CSDSPTYPE_FULLSCREEN : CSDSPTYPE_WINDOWED);
- }
- else if (ScummScaler != newScaler)
- {
- ScummScaler = newScaler;
- if (Scaler)
- delete Scaler;
- Scaler = MorphOSScaler::Create(ScummScaler, ScummBuffer, ScummBufferWidth, ScummBufferHeight, ScummColors, ScummColors16, ScummRenderTo);
- if (Scaler == NULL)
- {
- warning("Failed to create scaler - scaling will be disabled");
- SwitchScalerTo(ST_NONE);
- }
- else
- AddUpdateRect(0, 0, ScummBufferWidth, ScummBufferHeight);
- }
- }
-}
-
-bool OSystem_MorphOS::pollEvent(Event &event)
-{
- IntuiMessage *ScummMsg;
-
- ScummMsg = (IntuiMessage *) GetMsg(ScummWindow->UserPort);
- if (ScummMsg)
- {
- switch (ScummMsg->Class)
- {
- case IDCMP_RAWKEY:
- {
- InputEvent FakedIEvent;
- char charbuf;
- int qual = 0;
-
- memset(&FakedIEvent, 0, sizeof (InputEvent));
- FakedIEvent.ie_Class = IECLASS_RAWKEY;
- FakedIEvent.ie_Code = ScummMsg->Code;
-
- if (ScummMsg->Qualifier & (IEQUALIFIER_LALT | IEQUALIFIER_RALT))
- qual |= KBD_ALT;
- if (ScummMsg->Qualifier & (IEQUALIFIER_LSHIFT | IEQUALIFIER_RSHIFT))
- qual |= KBD_SHIFT;
- if (ScummMsg->Qualifier & IEQUALIFIER_CONTROL)
- qual |= KBD_CTRL;
- event.kbd.flags = qual;
-
- event.type = (ScummMsg->Code & IECODE_UP_PREFIX) ? EVENT_KEYUP : EVENT_KEYDOWN;
- ScummMsg->Code &= ~IECODE_UP_PREFIX;
-
- if (ScummMsg->Code >= RAWKEY_F1 && ScummMsg->Code <= RAWKEY_F10)
- {
- /*
- * Function key
- */
- event.kbd.ascii = (ScummMsg->Code-RAWKEY_F1)+315;
- event.kbd.keycode = 0;
- }
- else if (ScummMsg->Code == RAWKEY_F11 || ScummMsg->Code == RAWKEY_F12)
- {
- /*
- * Function key on PC keyboard
- */
- event.kbd.ascii = (ScummMsg->Code == RAWKEY_F11) ? 325 : 326;
- event.kbd.keycode = 0;
- }
- else if (ScummMsg->Code == NM_WHEEL_UP || ScummMsg->Code == NM_WHEEL_DOWN)
- {
- /*
- * Wheelmouse event
- */
- event.type = (ScummMsg->Code == NM_WHEEL_UP) ? EVENT_WHEELUP : EVENT_WHEELDOWN;
- }
- else if (MapRawKey(&FakedIEvent, &charbuf, 1, NULL) == 1)
- {
- if (qual == KBD_CTRL && charbuf == 'z')
- {
- event.type = EVENT_QUIT;
- break;
- }
- else if (qual == KBD_ALT)
- {
- if (charbuf >= '0' && charbuf <= '9')
- {
- SCALERTYPE new_scaler = MorphOSScaler::FindByIndex(charbuf-'0');
- ReplyMsg((Message *) ScummMsg);
- if (new_scaler != ST_INVALID)
- SwitchScalerTo(new_scaler);
- return false;
- }
- else if (charbuf == 'x')
- {
- event.type = EVENT_QUIT;
- break;
- }
- else if (charbuf == 0x0d)
- {
- ReplyMsg((Message *) ScummMsg);
- CreateScreen(CSDSPTYPE_TOGGLE);
- return false;
- }
- }
-
- event.kbd.ascii = charbuf;
- event.kbd.keycode = charbuf;
- }
- break;
- }
-
- case IDCMP_MOUSEMOVE:
- {
- LONG newx, newy;
-
- newx = (ScummMsg->MouseX-ScummWindow->BorderLeft) >> ScummScale;
- newy = (ScummMsg->MouseY-ScummWindow->BorderTop) >> ScummScale;
-
- if (!FullScreenMode && !ScummDefaultMouse)
- {
- if (newx < 0 || newx > (LONG) ScummBufferWidth ||
- newy < 0 || newy > (LONG) ScummBufferHeight
- )
- {
- if (!ScummOrigMouse)
- {
- ScummOrigMouse = true;
- ClearPointer(ScummWindow);
- }
- }
- else if (ScummOrigMouse)
- {
- ScummOrigMouse = false;
- SetPointer(ScummWindow, ScummNoCursor, 1, 1, 0, 0);
- }
- }
- else if (FullScreenMode)
- newy = newy <? (ScummScrHeight >> ScummScale)-2;
-
- event.type = EVENT_MOUSEMOVE;
- event.mouse.x = newx;
- event.mouse.y = newy;
- set_mouse_pos(event.mouse.x, event.mouse.y);
- break;
- }
-
- case IDCMP_MOUSEBUTTONS:
- {
- int newx, newy;
-
- newx = (ScummMsg->MouseX-ScummWindow->BorderLeft) >> ScummScale;
- newy = (ScummMsg->MouseY-ScummWindow->BorderTop) >> ScummScale;
-
- switch (ScummMsg->Code)
- {
- case SELECTDOWN:
- event.type = EVENT_LBUTTONDOWN;
- break;
-
- case SELECTUP:
- event.type = EVENT_LBUTTONUP;
- break;
-
- case MENUDOWN:
- event.type = EVENT_RBUTTONDOWN;
- break;
-
- case MENUUP:
- event.type = EVENT_RBUTTONUP;
- break;
-
- default:
- ReplyMsg((Message *)ScummMsg);
- return false;
- }
- event.mouse.x = newx;
- event.mouse.y = newy;
- break;
- }
-
- case IDCMP_CLOSEWINDOW:
- event.type = EVENT_QUIT;
- break;
- }
-
- if (ScummMsg)
- ReplyMsg((Message *) ScummMsg);
-
- return true;
- }
-
- return false;
-}
-
-void OSystem_MorphOS::warpMouse(int x, int y)
-{
- if (InputIORequest)
- {
- InputEvent* FakeIE;
- IEPointerPixel* NewPixel;
-
- /*
- * Fake a mousemove input event
- */
- if ((FakeIE = (InputEvent*) AllocVec(sizeof (InputEvent), MEMF_PUBLIC)))
- {
- if ((NewPixel = (IEPointerPixel*) AllocVec(sizeof (IEPointerPixel), MEMF_PUBLIC)))
- {
- NewPixel->iepp_Screen = ScummWindow->WScreen;
- NewPixel->iepp_Position.X = (x << ScummScale) + ScummWindow->LeftEdge + ScummWindow->BorderLeft;
- NewPixel->iepp_Position.Y = (y << ScummScale) + ScummWindow->TopEdge + ScummWindow->BorderTop;
-
- FakeIE->ie_EventAddress = NewPixel;
- FakeIE->ie_NextEvent = NULL;
- FakeIE->ie_Class = IECLASS_NEWPOINTERPOS;
- FakeIE->ie_SubClass = IESUBCLASS_PIXEL;
- FakeIE->ie_Code = IECODE_NOBUTTON;
- FakeIE->ie_Qualifier = NULL;
-
- InputIORequest->io_Data = FakeIE;
- InputIORequest->io_Length = sizeof (InputEvent);
- InputIORequest->io_Command = IND_WRITEEVENT;
- DoIO((IORequest *) InputIORequest);
-
- FreeVec(NewPixel);
- }
- FreeVec(FakeIE);
- }
- }
-}
-
-void OSystem_MorphOS::setShakePos(int shake_pos)
-{
- ScummShakePos = shake_pos;
- AddUpdateRect(0, 0, ScummBufferWidth, ScummBufferHeight);
-}
-
-#define MOUSE_INTERSECTS(x, y, w, h) \
- (!((MouseOldX+MouseOldWidth <= x ) || (MouseOldX >= x+w) || \
- (MouseOldY+MouseOldHeight <= y) || (MouseOldY >= y+h)))
-
-/* Copy part of bitmap */
-void OSystem_MorphOS::copyRectToScreen(const byte *src, int pitch, int x, int y, int w, int h)
-{
- byte *dst;
-
- if (x < 0) { w+=x; src-=x; x = 0; }
- if (y < 0) { h+=y; src-=y*pitch; y = 0; }
- if (w >= ScummBufferWidth-x) { w = ScummBufferWidth - x; }
- if (h >= ScummBufferHeight-y) { h = ScummBufferHeight - y; }
-
- if (w <= 0 || h <= 0)
- return;
-
- AUTO_LOCK
-
- if (MouseDrawn)
- {
- if (MOUSE_INTERSECTS(x, y, w, h))
- UndrawMouse();
- }
-
- AddUpdateRect(x, y, w, h);
-
- dst = (byte *)ScummBuffer+y*ScummBufferWidth + x;
- if (DirtyBlocks)
- {
- int cx, cy;
- int block = BLOCK_ID(x, y);
- int line_block = block;
- int start_block = BLOCKSIZE_X-(x % BLOCKSIZE_X);
- int start_y_block = BLOCKSIZE_Y-(y % BLOCKSIZE_Y);
- int next_block;
- int next_y_block;
- UWORD *block_cols = BlockColors[block];
-
- if (start_block == 0)
- start_block = BLOCKSIZE_X;
- if (start_y_block == 0)
- start_y_block = BLOCKSIZE_Y;
-
- next_block = start_block;
- next_y_block = start_y_block;
- for (cy = 0; cy < h; cy++)
- {
- for (cx = 0; cx < w; cx++)
- {
- UWORD old_pixel = *dst;
- UWORD src_pixel = *src++;
- if (old_pixel != src_pixel)
- {
- *dst++ = src_pixel;
- block_cols[old_pixel]--;
- block_cols[src_pixel]++;
- }
- else
- dst++;
- if (--next_block == 0)
- {
- block++;
- block_cols = BlockColors[block];
- next_block = BLOCKSIZE_X;
- }
- }
- if (--next_y_block == 0)
- {
- line_block += BLOCKS_X;
- next_y_block = BLOCKSIZE_Y;
- }
- block = line_block;
- block_cols = BlockColors[block];
- next_block = start_block;
- dst += ScummBufferWidth-w;
- src += pitch-w;
- }
- }
- else
- {
- do
- {
- memcpy(dst, src, w);
- dst += ScummBufferWidth;
- src += pitch;
- } while (--h);
- }
-}
-
-bool OSystem_MorphOS::AddUpdateRect(WORD x, WORD y, WORD w, WORD h)
-{
- if (UpdateRects > 25)
- return false;
-
- if (x < 0) { w+=x; x = 0; }
- if (y < 0) { h+=y; y = 0; }
- if (w >= ScummBufferWidth-x) { w = ScummBufferWidth - x; }
- if (h >= ScummBufferHeight-y) { h = ScummBufferHeight - y; }
-
- if (w <= 0 || h <= 0)
- return false;
-
- if (++UpdateRects > 25)
- {
- x = 0; y = 0;
- w = ScummBufferWidth; h = ScummBufferHeight;
- }
-
- Rectangle update_rect = { x, y, x+w, y+h };
- OrRectRegion(NewUpdateRegion, &update_rect);
- ScreenChanged = true;
-
- return true;
-}
-
-void OSystem_MorphOS::updateScreen()
-{
- AUTO_LOCK
-
- DrawMouse();
-
- if (!ScreenChanged)
- return;
-
- OrRegionRegion(NewUpdateRegion, UpdateRegion);
-
- if (ScummShakePos)
- {
- RastPort rp;
-
- InitRastPort(&rp);
- rp.BitMap = ScummRenderTo;
-
- uint32 src_y = 0;
- uint32 dest_y = 0;
- if (ScummShakePos < 0)
- src_y = -ScummShakePos;
- else
- dest_y = ScummShakePos;
-
- if (!ScummScale)
- {
- if (ScummDepth == 8)
- WritePixelArray(ScummBuffer, 0, src_y, ScummBufferWidth, &rp, 0, dest_y, ScummBufferWidth, ScummBufferHeight-src_y-dest_y, RECTFMT_LUT8);
- else
- WriteLUTPixelArray(ScummBuffer, 0, src_y, ScummBufferWidth, &rp, ScummColors, 0, dest_y, ScummBufferWidth, ScummBufferHeight-src_y-dest_y, CTABFMT_XRGB8);
- }
- else if (Scaler->Prepare(ScummRenderTo))
- {
- Scaler->Scale(0, src_y, 0, dest_y, ScummBufferWidth, ScummBufferHeight-src_y-dest_y);
- Scaler->Finish();
- }
-
- if (ScummShakePos < 0)
- FillPixelArray(&rp, 0, (ScummBufferHeight-1) << ScummScale, ScummScrWidth, -ScummShakePos << ScummScale, 0);
- else
- FillPixelArray(&rp, 0, 0, ScummScrWidth, ScummShakePos << ScummScale, 0);
- }
- else if (!ScummScale)
- {
- RastPort rp;
-
- InitRastPort(&rp);
- rp.BitMap = ScummRenderTo;
-
- int32 src_x, src_y;
- int32 src_w, src_h;
- int32 reg_x, reg_y;
- RegionRectangle *update_rect = UpdateRegion->RegionRectangle;
-
- reg_x = UpdateRegion->bounds.MinX;
- reg_y = UpdateRegion->bounds.MinY;
- while (update_rect)
- {
- src_x = update_rect->bounds.MinX;
- src_y = update_rect->bounds.MinY;
- src_w = update_rect->bounds.MaxX-src_x;
- src_h = update_rect->bounds.MaxY-src_y;
- src_x += reg_x;
- src_y += reg_y;
-
- if (src_x) src_x--;
- if (src_y) src_y--;
- src_w += 2;
- if (src_x+src_w >= ScummBufferWidth)
- src_w = ScummBufferWidth-src_x;
- src_h += 2;
- if (src_y+src_h >= ScummBufferHeight)
- src_h = ScummBufferHeight-src_y;
-
- if (ScummDepth == 8)
- WritePixelArray(ScummBuffer, src_x, src_y, ScummBufferWidth, &rp, src_x, src_y, src_w, src_h, RECTFMT_LUT8);
- else
- WriteLUTPixelArray(ScummBuffer, src_x, src_y, ScummBufferWidth, &rp, ScummColors, src_x, src_y, src_w, src_h, CTABFMT_XRGB8);
-
- update_rect = update_rect->Next;
- }
- }
- else
- {
- int32 src_x, src_y;
- int32 src_w, src_h;
- int32 reg_x, reg_y;
- RegionRectangle *update_rect = UpdateRegion->RegionRectangle;
-
- reg_x = UpdateRegion->bounds.MinX;
- reg_y = UpdateRegion->bounds.MinY;
-
- if (!Scaler->Prepare(ScummRenderTo))
- update_rect = NULL;
-
- while (update_rect)
- {
- src_x = update_rect->bounds.MinX;
- src_y = update_rect->bounds.MinY;
- src_w = update_rect->bounds.MaxX-src_x;
- src_h = update_rect->bounds.MaxY-src_y;
- src_x += reg_x;
- src_y += reg_y;
-
- if (src_x) src_x--;
- if (src_y) src_y--;
- src_w += 2;
- if (src_x+src_w >= ScummBufferWidth)
- src_w = ScummBufferWidth-src_x;
- src_h += 2;
- if (src_y+src_h >= ScummBufferHeight)
- src_h = ScummBufferHeight-src_y;
-
- Scaler->Scale(src_x, src_y, src_x, src_y, src_w, src_h);
- update_rect = update_rect->Next;
- }
- Scaler->Finish();
- }
-
- if (ScummScreen)
- {
- while (!ChangeScreenBuffer(ScummScreen, ScummScreenBuffer[ScummPaintBuffer]));
- ScummPaintBuffer = !ScummPaintBuffer;
- ScummRenderTo = ScummScreenBuffer[ScummPaintBuffer]->sb_BitMap;
- }
- else
- {
- int32 x = (UpdateRegion->bounds.MinX-1) << ScummScale;
- int32 y = (UpdateRegion->bounds.MinY-1) << ScummScale;
- if (x < 0) x = 0;
- if (y < 0) y = 0;
- int32 w = (UpdateRegion->bounds.MaxX << ScummScale)-x+(1 << ScummScale);
- int32 h = (UpdateRegion->bounds.MaxY << ScummScale)-y+(1 << ScummScale);
- if (x+w > ScummScrWidth) w = ScummScrWidth-x;
- if (y+h > ScummScrHeight) h = ScummScrHeight-y;
- BltBitMapRastPort(ScummRenderTo, x, y, ScummWindow->RPort, ScummWindow->BorderLeft+x, ScummWindow->BorderTop+y, w, h, ABNC | ABC);
- WaitBlit();
- }
-
- Region *new_region_part = NewUpdateRegion;
- NewUpdateRegion = UpdateRegion;
- ClearRegion(NewUpdateRegion);
- UpdateRegion = new_region_part;
-
- ScreenChanged = false;
- memset(DirtyBlocks, 0, BLOCKS_X*BLOCKS_Y*sizeof (bool));
- UpdateRects = 0;
-}
-
-void OSystem_MorphOS::DrawMouse()
-{
- int x,y;
- byte *dst,*bak;
- byte color;
-
- if (MouseDrawn || !MouseVisible)
- return;
- MouseDrawn = true;
-
- int ydraw = MouseY - MouseHotspotY;
- int xdraw = MouseX - MouseHotspotX;
- int w = MouseWidth;
- int h = MouseHeight;
- int x_mouseimg_offs = 0;
- int y_mouseimg_offs = 0;
- byte *buf;
-
- if (xdraw < 0) { x_mouseimg_offs = -xdraw; w += xdraw; xdraw = 0; }
- if (ydraw < 0) { y_mouseimg_offs = -ydraw; h += ydraw; ydraw = 0; }
-
- MouseOldX = xdraw;
- MouseOldY = ydraw;
- MouseOldWidth = w;
- MouseOldHeight = h;
-
- AddUpdateRect(xdraw, ydraw, w, h);
- dst = (byte*)ScummBuffer + ydraw*ScummBufferWidth + xdraw;
- bak = MouseBackup;
- buf = MouseImage + y_mouseimg_offs*MAX_MOUSE_W + x_mouseimg_offs;
-
- for (y = 0; y < h; y++, dst += ScummBufferWidth, bak += MAX_MOUSE_W, buf += MouseWidth)
- {
- if (ydraw+y < ScummBufferHeight)
- {
- for (x = 0; x<w; x++)
- {
- if (xdraw+x < ScummBufferWidth)
- {
- bak[x] = dst[x];
- if ((color=buf[x])!=MouseKeycolor)
- dst[x] = color;
- }
- }
- }
- else
- break;
- }
-}
-
-void OSystem_MorphOS::UndrawMouse()
-{
- int x,y;
- byte *dst,*bak;
-
- if (!MouseDrawn)
- return;
- MouseDrawn = false;
-
- dst = (byte*)ScummBuffer + MouseOldY*ScummBufferWidth + MouseOldX;
- bak = MouseBackup;
-
- AddUpdateRect(MouseOldX, MouseOldY, MouseOldWidth, MouseOldHeight);
-
- for (y = 0; y < MouseOldHeight; y++, bak += MAX_MOUSE_W, dst += ScummBufferWidth)
- {
- if (MouseOldY + y < ScummBufferHeight)
- {
- for (x = 0; x < MouseOldWidth; x++)
- {
- if (MouseOldX + x < ScummBufferWidth)
- dst[x] = bak[x];
- }
- }
- else
- break;
- }
-}
-
-bool OSystem_MorphOS::showMouse(bool visible)
-{
- if (MouseVisible == visible)
- return visible;
-
- bool last = MouseVisible;
- MouseVisible = visible;
-
- if (!visible)
- UndrawMouse();
-
- return last;
-}
-
-void OSystem_MorphOS::set_mouse_pos(int x, int y)
-{
- if (x != MouseX || y != MouseY)
- {
- MouseX = x;
- MouseY = y;
- UndrawMouse();
- }
-}
-
-void OSystem_MorphOS::setMouseCursor(const byte *buf, uint w, uint h, int hotspot_x, int hotspot_y, byte keycolor)
-{
- MouseWidth = w;
- MouseHeight = h;
-
- MouseHotspotX = hotspot_x;
- MouseHotspotY = hotspot_y;
-
- MouseKeycolor = keycolor;
-
- if (MouseImage)
- free(MouseImage);
-
- MouseImage = (byte *)malloc(w * h);
- memcpy(mouseImage, buf, w * h);
-
- UndrawMouse();
-}
-
-bool OSystem_MorphOS::setSoundCallback(OSystem::SoundProc proc, void *param)
-{
- if (ScummSoundThread)
- {
- if (SoundProc == proc)
- return true;
- clearSoundCallback();
- }
-
- SoundProc = proc;
- SoundParam = param;
-
- /*
- * Create Sound Thread
- */
- SoundStartup.mn_Node.ln_Type = NT_MESSAGE;
- SoundStartup.mn_ReplyPort = ThreadPort;
- SoundStartup.mn_Length = sizeof(SoundStartup);
-
- ScummSoundThread = CreateNewProcTags(NP_Entry, (ULONG) &morphos_sound_thread,
- NP_CodeType, CODETYPE_PPC,
- NP_Name, (ULONG) "ScummVM Sound Thread",
- NP_StartupMsg, &SoundStartup,
- NP_PPC_Arg1, (ULONG) this,
- NP_PPC_Arg2, AHIST_S16S, TAG_DONE);
- if (!ScummSoundThread)
- {
- puts("Failed to create sound thread");
- exit(1);
- }
-
- return true;
-}
-
-
-void OSystem_MorphOS::fill_sound(byte *stream, int len)
-{
- if (SoundProc)
- SoundProc(SoundParam, stream, len);
- else
- memset(stream, 0x0, len);
-}
-
-void OSystem_MorphOS::clearSoundCallback()
-{
- if (ScummSoundThread)
- {
- Signal((Task *) ScummSoundThread, SIGBREAKF_CTRL_C);
- ScummSoundThread = NULL;
- /* Wait for thread to finish */
- WaitPort(ThreadPort);
- }
-}
-
-void OSystem_MorphOS::initSize(uint w, uint h)
-{
- if (ScummBuffer)
- {
- FreeVec(ScummBuffer);
- ScummBuffer = NULL;
- }
- if (DirtyBlocks)
- {
- FreeVec(DirtyBlocks);
-
- for (int b = 0; b < BLOCKS_X*BLOCKS_Y; b++)
- FreeVec(BlockColors[b]);
- FreeVec(BlockColors);
- DirtyBlocks = NULL;
- }
-
- /*
- * Allocate image buffer
- */
- ScummBuffer = AllocVec(w*h, MEMF_CLEAR);
-
- if (ScummBuffer == NULL)
- {
- puts("Couldn't allocate image buffer");
- exit(1);
- }
-
- OvlSavedBuffer = AllocVec(w*h, MEMF_CLEAR);
-
- if (OvlSavedBuffer == NULL)
- {
- FreeVec(ScummBuffer);
- puts("Couldn't allocate overlay backup image buffer");
- exit(1);
- }
-
- memset(ScummColors, 0, 256*sizeof (ULONG));
-
- ScummBufferWidth = w;
- ScummBufferHeight = h;
-
- DirtyBlocks = (bool *) AllocVec(BLOCKS_X*BLOCKS_Y*sizeof (bool), MEMF_CLEAR);
- if (DirtyBlocks)
- {
- BlockColors = (UWORD **) AllocVec(BLOCKS_X*BLOCKS_Y*sizeof (UWORD *), MEMF_CLEAR);
- if (BlockColors)
- {
- int b;
-
- for (b = 0; b < BLOCKS_X*BLOCKS_Y; b++)
- {
- BlockColors[b] = (UWORD *) AllocVec(256*sizeof (UWORD), MEMF_CLEAR);
- if (BlockColors[b] == NULL)
- break;
- BlockColors[b][0] = BLOCKSIZE_X*BLOCKSIZE_Y;
- }
-
- if (b < BLOCKS_X*BLOCKS_Y)
- {
- for (--b; b >= 0; --b)
- FreeVec(BlockColors[b]);
- FreeVec(BlockColors);
- BlockColors = NULL;
- }
- }
-
- if (!BlockColors)
- {
- FreeVec(DirtyBlocks);
- DirtyBlocks = NULL;
- }
- }
-
- CreateScreen(CSDSPTYPE_KEEP);
-}
-
-int16 OSystem_MorphOS::getWidth()
-{
- return ScummScrWidth;
-}
-
-int16 OSystem_MorphOS::getHeight()
-{
- return ScummScrHeight;
-}
-
-void OSystem_MorphOS::showOverlay()
-{
- UndrawMouse();
- memcpy(OvlSavedBuffer, ScummBuffer, ScummBufferWidth*ScummBufferHeight);
- clearOverlay();
- for (int c = 0; c < 256; c++)
- {
- ULONG r, g, b;
- r = ScummColors[c] >> 16;
- g = (ScummColors[c] >> 8) & 0xff;
- b = ScummColors[c] & 0xff;
- SetRGB32CM(OvlCMap, c, CVT8TO32(r), CVT8TO32(g), CVT8TO32(b));
- }
-}
-
-void OSystem_MorphOS::hideOverlay()
-{
- copyRectToScreen((byte *) OvlSavedBuffer, ScummBufferWidth, 0, 0, ScummBufferWidth, ScummBufferHeight);
-}
-
-void OSystem_MorphOS::clearOverlay()
-{
- AUTO_LOCK
-
- UBYTE *src = (UBYTE *) ScummBuffer;
- UBYTE *dest = (UBYTE *) OvlBitMap;
- copyRectToScreen((byte *) OvlSavedBuffer, ScummBufferWidth, 0, 0, ScummBufferWidth, ScummBufferHeight);
- for (int y = 0; y < ScummBufferHeight; y++)
- for (int x = 0; x < ScummBufferWidth; x++)
- {
- *dest++ = ScummColors[*src] >> 16;
- *dest++ = (ScummColors[*src] >> 8) & 0xff;
- *dest++ = ScummColors[*src++] & 0xff;
- }
-}
-
-void OSystem_MorphOS::grabOverlay(int16 *buf, int pitch)
-{
- int h = ScummBufferHeight;
- int x;
- UBYTE *src = (UBYTE *) OvlBitMap;
-
- do
- {
- for (x = 0; x < pitch; x++)
- {
- *buf++ = (src[0]*31/255 << 11) | (src[1]*63/255 << 5) | src[2]*31/255;
- src += 3;
- }
- src += (ScummBufferWidth-pitch)*3;
- } while (--h);
-}
-
-void OSystem_MorphOS::copyRectToOverlay(const int16 *ovl, int pitch, int x, int y, int w, int h)
-{
- int x1, y1;
- UBYTE *dest;
- UBYTE *bmap, *bmap_dest;
- LONG last_col[2] = { -1, -1 };
- LONG last_pen[2] = { -1, -1 };
-
- if (w > pitch) w = pitch;
- bmap = (UBYTE*) AllocVec(w*h, MEMF_ANY);
- if (bmap)
- {
- bmap_dest = bmap;
- dest = ((UBYTE *) OvlBitMap)+y*ScummBufferWidth*3+x*3;
- for (y1 = 0; y1 < h; y1++)
- {
- for (x1 = 0; x1 < w; x1++)
- {
- uint8 r, g, b;
- int16 col;
-
- col = *ovl++;
- colorToRGB(col, r, g, b);
- *dest++ = r;
- *dest++ = g;
- *dest++ = b;
- if (col == last_col[0])
- *bmap_dest++ = last_pen[0];
- else if (col == last_col[1])
- *bmap_dest++ = last_pen[1];
- else
- {
- last_col[1] = last_col[0];
- last_pen[1] = last_pen[0];
- last_col[0] = col;
- last_pen[0] = FindColor(OvlCMap, CVT8TO32(r), CVT8TO32(g), CVT8TO32(b), -1);
- *bmap_dest++ = last_pen[0];
- }
- }
- dest += (ScummBufferWidth-w)*3;
- ovl += pitch-w;
- }
- copyRectToScreen(bmap, w, x, y, w, h);
- FreeVec(bmap);
- }
-}
-