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- /* bob.c
- **
- ** SAS/C V5.10a
- ** lc -b1 -cfist -v -y bob.c
- ** blink FROM LIB:c.o bob.o animtools.o LIB LIB:lc.lib LIB:amiga.lib TO bob
-
-
- Copyright (c) 1992 Commodore-Amiga, Inc.
-
- This example is provided in electronic form by Commodore-Amiga, Inc. for
- use with the "Amiga ROM Kernel Reference Manual: Libraries", 3rd Edition,
- published by Addison-Wesley (ISBN 0-201-56774-1).
-
- The "Amiga ROM Kernel Reference Manual: Libraries" contains additional
- information on the correct usage of the techniques and operating system
- functions presented in these examples. The source and executable code
- of these examples may only be distributed in free electronic form, via
- bulletin board or as part of a fully non-commercial and freely
- redistributable diskette. Both the source and executable code (including
- comments) must be included, without modification, in any copy. This
- example may not be published in printed form or distributed with any
- commercial product. However, the programming techniques and support
- routines set forth in these examples may be used in the development
- of original executable software products for Commodore Amiga computers.
-
- All other rights reserved.
-
- This example is provided "as-is" and is subject to change; no
- warranties are made. All use is at your own risk. No liability or
- responsibility is assumed.
- */
-
- #include <exec/types.h>
- #include <exec/memory.h>
- #include <intuition/intuitionbase.h>
- #include <graphics/gfx.h>
- #include <graphics/gfxbase.h>
- #include <graphics/gels.h>
- #include <libraries/dos.h>
- #include <stdlib.h>
- #include "animtools.h"
-
- VOID bobDrawGList(struct RastPort *rport, struct ViewPort *vport);
- VOID process_window(struct Window *win, struct Bob *myBob);
- VOID do_Bob(struct Window *win);
-
- struct GfxBase *GfxBase; /* pointer to Graphics library */
- struct IntuitionBase *IntuitionBase; /* pointer to Intuition library*/
- int return_code;
- #define GEL_SIZE 4 /* number of lines in the bob */
-
- /* Bob data - two sets that are alternated between. Note that this */
- /* data is at the resolution of the screen. */
-
- /* data is 2 planes by 2 words by GEL_SIZE lines */
- WORD chip bob_data1[2 * 2 * GEL_SIZE] =
- {
- /* plane 1 */
- 0xffff, 0x0003, 0xfff0, 0x0003, 0xfff0, 0x0003, 0xffff, 0x0003,
- /* plane 2 */
- 0x3fff, 0xfffc, 0x3ff0, 0x0ffc, 0x3ff0, 0x0ffc, 0x3fff, 0xfffc
- };
-
- /* data is 2 planes by 2 words by GEL_SIZE lines */
- WORD chip bob_data2[2 * 2 * GEL_SIZE] =
- {
- /* plane 1 */
- 0xc000, 0xffff, 0xc000, 0x0fff, 0xc000, 0x0fff, 0xc000, 0xffff,
- /* plane 2 */
- 0x3fff, 0xfffc, 0x3ff0, 0x0ffc, 0x3ff0, 0x0ffc, 0x3fff, 0xfffc
- };
-
- NEWBOB myNewBob = /* Data for the new bob structure defined in animtools.h */
- { /* Initial image, WORD width, line height */
- bob_data2, 2, GEL_SIZE, /* Image depth, plane pick, plane on off, VSprite flags */
- 2, 3, 0, SAVEBACK | OVERLAY, /* dbuf (0=false), raster depth, x,y position, hit mask, */
- 0, 8, 160, 100, 0,0, /* me mask */
- };
-
- struct NewWindow myNewWindow =
- { /* information for the new window */
- 80, 20, 400, 150, -1, -1, CLOSEWINDOW | INTUITICKS,
- ACTIVATE | WINDOWCLOSE | WINDOWDEPTH | RMBTRAP,
- NULL, NULL, "Bob", NULL, NULL, 0, 0, 0, 0, WBENCHSCREEN
- };
-
- /* Draw the Bobs into the RastPort. */
- VOID bobDrawGList(struct RastPort *rport, struct ViewPort *vport)
- {
- SortGList(rport);
- DrawGList(rport, vport);
- /* If the GelsList includes true VSprites, MrgCop() and LoadView() here */
- WaitTOF() ;
- }
-
- /* Process window and dynamically change bob: Get messages. Go away on CLOSEWINDOW.
- ** Update and redisplay bob on INTUITICKS. Wait for more messages.
- */
- VOID process_window(struct Window *win, struct Bob *myBob)
- {
- struct IntuiMessage *msg;
-
- FOREVER {
- Wait(1L << win->UserPort->mp_SigBit);
- while (NULL != (msg = (struct IntuiMessage *)GetMsg(win->UserPort)))
- {
- /* only CLOSEWINDOW and INTUITICKS are active */
- if (msg->Class == CLOSEWINDOW)
- {
- ReplyMsg((struct Message *)msg);
- return;
- }
- /* Must be INTUITICKS: change x and y values on the fly. Note:
- ** do not have to add window offset, Bob is relative to the
- ** window (sprite relative to screen).
- */
- myBob->BobVSprite->X = msg->MouseX + 20;
- myBob->BobVSprite->Y = msg->MouseY + 1;
- ReplyMsg((struct Message *)msg);
- }
- /* after getting a message, change image data on the fly */
- myBob->BobVSprite->ImageData =
- (myBob->BobVSprite->ImageData == bob_data1) ? bob_data2 : bob_data1;
- InitMasks(myBob->BobVSprite); /* set up masks for new image */
- bobDrawGList(win->RPort, ViewPortAddress(win));
- }
- }
-
-
- /* Working with the Bob: setup the GEL system, and get a new Bob (makeBob()).
- ** Add the bob to the system and display. Use the Bob. When done, remove
- ** the Bob and update the display without the bob. Cleanup everything.
- */
- VOID do_Bob(struct Window *win)
- {
- struct Bob *myBob;
- struct GelsInfo *my_ginfo;
-
- if (NULL == (my_ginfo = setupGelSys(win->RPort, 0x03)))
- return_code = RETURN_WARN;
- else
- {
- if (NULL == (myBob = makeBob(&myNewBob)))
- return_code = RETURN_WARN;
- else
- {
- AddBob(myBob, win->RPort);
- bobDrawGList(win->RPort, ViewPortAddress(win));
- process_window(win, myBob);
- RemBob(myBob);
- bobDrawGList(win->RPort, ViewPortAddress(win));
- freeBob(myBob, myNewBob.nb_RasDepth);
- }
- cleanupGelSys(my_ginfo,win->RPort);
- }
- }
-
-
- /* Example bob program: First open up the libraries and a window. */
- VOID main(int argc, char **argv)
- {
- struct Window *win;
-
- return_code = RETURN_OK;
-
- if (NULL == (GfxBase = (struct GfxBase *)OpenLibrary(GRAPHICSNAME,37L)))
- return_code = RETURN_FAIL;
- else
- {
- if (NULL == (IntuitionBase = (struct IntuitionBase *)OpenLibrary(INTUITIONNAME,37L)))
- return_code = RETURN_FAIL;
- else
- {
- if (NULL == (win = OpenWindow(&myNewWindow)))
- return_code = RETURN_FAIL;
- else
- {
- do_Bob(win);
- CloseWindow(win);
- }
- CloseLibrary((struct Library *)IntuitionBase);
- }
- CloseLibrary((struct Library *)GfxBase);
- }
- exit(return_code);
- }