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https://github.com/isometimes/rpi4-osdev
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Added mouse support to examples/wgt22.c and examples/wgt60.c
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4 changed files with 59 additions and 14 deletions
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@ -1,5 +1,6 @@
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#include "wgtspr.h"
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#include "include/mem.h"
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#include "include/multicore.h"
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// ######## REQUIRED FUNCTIONS ########
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@ -49,6 +50,9 @@ void wgt22()
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mem_init();
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vga256 (); /* Initializes WGT system */
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start_core2(minit); // Start the comms engine (core 2)
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while (!comms_up); // Wait for comms up
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extern unsigned char _binary_bin_invader_spr_start[];
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wloadsprites (palette, &_binary_bin_invader_spr_start[0], sprites, 0, SPRITES_IN_FILE);
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/* load first 50 sprites */
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@ -61,16 +65,14 @@ void wgt22()
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Sprite number, x coord, y coord, sprite number in array of sprites
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Therefore sprite #1 would be displayed at 160,150 with sprite 1 in the array */
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spriteon (1, 160, 150, 1); /* turn on any sprites */
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spriteon (1, 160, 100, 1); /* turn on any sprites */
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spriteon (2, 10, 100, 3); /* you need */
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/* This move will go left 1, for 300 times, and right 1 for 300 times,
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and repeat */
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movex (2, "(1,300,0)(-1,300,0)R");
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movexon (2);
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movex (1, "(1,150,0)(-1,150,0)R"); /* set up any movement */
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movexon (1); /* or animation needed */
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movex (2, "(1,300,0)(-1,300,0)R"); /* set up any movement */
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movexon (2); /* or animation needed */
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/* This animation will animate sprite 2 through a sequence of sprites
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in the sprite array and keep repeating. */
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@ -89,6 +91,7 @@ void wgt22()
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wfreesprites (sprites, 0, SPRITES_IN_FILE); /* free memory */
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mdeinit();
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deinitialize_sprites ();
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}
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@ -96,10 +99,12 @@ void looper (void)
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{
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erase_sprites (); /* clear the sprites */
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/* any direct sprite movements must be placed */
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/* between erase_sprites and draw_sprites */
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/* notice how sprites #1 and #2 move and animates on their own now!
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You don't need to change anything to make them move! */
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s[1].x = mx; /* any direct sprite movements must be placed */
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s[1].y = my; /* between erase_sprites and draw_sprites */
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/* This will set sprite one's coordinate to the mouse
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coordinates. Move it around! */
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/* notice how sprite #2 moves and animates on its own now!
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You don't need to change anything to make it move! */
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draw_sprites (1); /* draw them back on */
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wait_msec(0x3E9F); /* Try removing this to see how fast the
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@ -1,5 +1,6 @@
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#include "wgtspr.h"
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#include "include/mem.h"
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#include "include/multicore.h"
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// ######## REQUIRED FUNCTIONS ########
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@ -70,6 +71,9 @@ void wgt60()
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mem_init();
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vga256 (); /* Initializes WGT system */
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start_core2(minit); // Start the comms engine (core 2)
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while (!comms_up); // Wait for comms up
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wtexttransparent (TEXTFGBG); /* Turn foreground and background on */
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extern unsigned char _binary_bin_break_spr_start[];
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@ -110,6 +114,8 @@ void wgt60()
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spriteon (0, 160, 150, 1); /* Turn on our sprites */
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spriteon (1, 160, 100, 2);
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msetbounds (50, 129, 245, 179); /* Limit mouse movement */
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xsp = 1.1; /* Set initial ball speeds */
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ysp = 1.3;
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@ -122,15 +128,18 @@ void wgt60()
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looper ();
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} while (1); /* Until the right mouse button is clicked */
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mdeinit();
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deinitialize_sprites (); /* Deinit the sprite system */
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}
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void looper(void)
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{
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// wretrace (); /* Time our updates to the vertical retrace */
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wait_msec(0x3E9F);
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wait_msec(0x411B);
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erase_sprites (); /* Clear sprites from sprite screen */
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s[0].x = mx; /* Set paddle position to mouse position */
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s[0].y = my;
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if (lx > 267) /* Is ball bouncing off right wall? */
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{
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dobounce ();
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@ -33,6 +33,10 @@ int but;
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int mx;
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int my;
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/* Mouse boundaries */
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int mbx1, mby1;
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int mbx2, mby2;
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void hci_poll2(unsigned char byte)
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{
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switch (poll_state) {
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@ -178,8 +182,30 @@ void acl_poll()
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}
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}
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void msetbounds (short x1, short y1, short x2, short y2)
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{
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if (x1 < WGT_SYS.xres && x1 >= 0) {
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if (x2 < WGT_SYS.xres && x2 >= x1) {
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if (y1 < WGT_SYS.yres && y1 >= 0) {
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if (y2 < WGT_SYS.yres && y2 >= y1) {
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mbx1 = x1;
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mbx2 = x2;
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mby1 = y1;
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mby2 = y2;
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}
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}
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}
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}
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}
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void msetxy (short x, short y)
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{
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if (x < mbx1) x = mbx1;
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if (y < mby1) y = mby1;
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if (x > mbx2) x = mbx2;
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if (y > mby2) y = mby2;
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mx = x;
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my = y;
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}
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@ -218,8 +244,12 @@ void minit()
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// Subscribe to updates
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sendACLsubscribe(connection_handle);
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mx = 160;
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my = 100;
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mx = WGT_SYS.xres / 2;
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my = WGT_SYS.yres / 2;
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mbx1 = 0;
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mby1 = 0;
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mbx2 = WGT_SYS.xres;
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mby2 = WGT_SYS.yres;
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but = 0;
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comms_up = 1;
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@ -155,3 +155,4 @@ void wbezier (tpolypoint *rawpts, short numraw, tpolypoint *curvepts, short numc
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void minit();
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void mdeinit();
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void msetxy (short x, short y);
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void msetbounds (short x1, short y1, short x2, short y2);
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