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- /* Copyright (c) 1990 Commodore-Amiga, Inc.
- *
- * This example is provided in electronic form by Commodore-Amiga, Inc. for
- * use with the 1.3 revisions of the Addison-Wesley Amiga reference manuals.
- * The 1.3 Addison-Wesley Amiga Reference Manual series contains additional
- * information on the correct usage of the techniques and operating system
- * functions presented in this example. The source and executable code of
- * this example 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
- * this example 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.
- */
-
- /* bob.c 19oct89
- **
- ** lattice c 5.04
- ** lc -b1 -cfist -v -y bob.c
- ** blink FROM LIB:c.o bob.o /animtools/animtools.o LIB LIB:lc.lib TO bob
- */
- #include <exec/types.h>
- #include <intuition/intuition.h>
- #include <graphics/gels.h>
- #include <exec/memory.h>
- #include <libraries/dos.h>
-
- #include <proto/all.h>
- #include <stdlib.h>
-
- #include "/animtools/animtools.h"
- #include "/animtools/animtools_proto.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;
-
- /* number of lines in the bob */
- #define GEL_SIZE 4
-
- /* bob data - there are two sets that are alternated between.
- ** note that this data is at the resolution of the screen.
- */
- WORD chip bob_data1[2 * 2 * GEL_SIZE] =
- { /* data is 2 planes by 2 words by GEL_SIZE lines */
- /* plane 1 */
- 0xffff, 0x0003, 0xfff0, 0x0003, 0xfff0, 0x0003, 0xffff, 0x0003,
- /* plane 2 */
- 0x3fff, 0xfffc, 0x3ff0, 0x0ffc, 0x3ff0, 0x0ffc, 0x3fff, 0xfffc,
- };
-
- WORD chip bob_data2[2 * 2 * GEL_SIZE] =
- { /* data is 2 planes by 2 words by GEL_SIZE lines */
- /* plane 1 */
- 0xc000, 0xffff, 0xc000, 0x0fff, 0xc000, 0x0fff, 0xc000, 0xffff,
- /* plane 2 */
- 0x3fff, 0xfffc, 0x3ff0, 0x0ffc, 0x3ff0, 0x0ffc, 0x3fff, 0xfffc,
- };
-
- /* information for the new bob
- ** structure defined in animtools.h
- */
- NEWBOB myNewBob =
- {
- bob_data2, /* initial image */
- 2, /* WORD width */
- GEL_SIZE, /* line height */
- 2, /* image depth */
- 3, 0, /* plane pick, plane on off */
- SAVEBACK | OVERLAY, /* vsprite flags */
- 0, /* dbuf (0 == false) */
- 2, /* raster depth */
- 160, 100, /* x,y position */
- 0,0, /* hit mask, me mask */
- };
-
- /* information for the new window */
- struct NewWindow myNewWindow =
- {
- 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 rast port.
- */
- VOID bobDrawGList(struct RastPort *rport, struct ViewPort *vport)
- {
- /* only need to MrgCop() LoadView() if using TRUE VSprites */
- SortGList(rport);
- DrawGList(rport, vport);
- 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, 0xfc)))
- 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("graphics.library",33L)))
- return_code = RETURN_FAIL;
- else
- {
- if (NULL == (IntuitionBase =
- (struct IntuitionBase *)OpenLibrary("intuition.library",33L)))
- return_code = RETURN_FAIL;
- else
- {
- if (NULL == (win = OpenWindow(&myNewWindow)))
- return_code = RETURN_FAIL;
- else
- {
- do_Bob(win);
-
- CloseWindow(win);
- }
- CloseLibrary(IntuitionBase);
- }
- CloseLibrary(GfxBase);
- }
- exit(return_code);
- }
-