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life.c
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life.c
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#include "blitter.h"
#include <osbind.h>
#include <time.h>
#include <gem.h>
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
void blitlife(MFDB* image);
MFDB screen = { NULL, 0,0,0, 0,0,0,0,0};
int app_id;
VdiHdl vdi_handle;
int16_t cellw, cellh, chboxw, chboxh;
typedef struct window_struct {
int16_t handle;
struct window_struct* next;
char title[256];
MFDB* image;
GRECT min_size;
} window_t;
typedef struct message_struct {
int16_t msg_type;
int16_t sender;
int16_t size;
union {
int16_t data[4];
struct {
int16_t handle;
GRECT rect;
} ;
};
} message_t;
window_t* window_list;
window_t* get_window(int16_t handle)
{
// Loop through the window list to get window info.
for (window_t* cur = window_list; cur; cur=cur->next)
{
if (cur->handle == handle)
return cur;
}
return NULL;
}
MFDB* mfdb_create(int16_t width, int16_t height, int16_t planes)
{
int16_t wdwidth = width >> 4;
if(width & 15) // in case width is not divisible by 16
{
wdwidth++; // add an extra word per line
}
// Allocate the struct and a buffer in one go
MFDB* mfdb = calloc(1, sizeof(MFDB));
mfdb->fd_addr = calloc(wdwidth * height * planes, sizeof(int16_t));
mfdb->fd_w = width;
mfdb->fd_h = height;
mfdb->fd_wdwidth = wdwidth;
mfdb->fd_stand = 0;
mfdb->fd_nplanes = planes;
return mfdb;
}
void mfdb_delete(MFDB* mfdb)
{
free(mfdb->fd_addr);
free(mfdb);
}
void handle_move_resize_event(message_t* message)
{
window_t* window = get_window(message->handle);
if (window)
{
if (message->rect.g_w < window->min_size.g_w)
{
message->rect.g_w = window->min_size.g_w;
}
if (message->rect.g_h < window->min_size.g_h)
{
message->rect.g_h = window->min_size.g_h;
}
// TODO constrrain within desktop
wind_set_grect(message->handle, WF_CURRXYWH, &message->rect);
}
}
void handle_redraw_event(message_t* message)
{
window_t* window = get_window(message->handle);
if (window)
{
GRECT wrect, work_area, damage_area;
wind_get_grect(window->handle, WF_WORKXYWH, &work_area);
int16_t w_corners[4];
grect_to_array(&work_area, w_corners);
int16_t colors[2] = {1,0};
int16_t coords[8] = {0,0,window->image->fd_w-1, window->image->fd_h-1,
w_corners[0], w_corners[1], w_corners[2], w_corners[3]};
damage_area = message->rect;
rc_intersect(&work_area, &damage_area);
graf_mouse(M_OFF, NULL);
wind_update(BEG_UPDATE);
for( wind_get_grect(window->handle, WF_FIRSTXYWH, &wrect);
wrect.g_w && wrect.g_h ;
wind_get_grect(window->handle, WF_NEXTXYWH, &wrect)
)
{
if (rc_intersect(&message->rect, &wrect))
{
int16_t corners[4];
grect_to_array(&wrect, corners);
vs_clip(vdi_handle, true, corners);
vsf_interior(vdi_handle, 0);
vr_recfl(vdi_handle, w_corners);
vrt_cpyfm(vdi_handle, MD_REPLACE, coords, window->image, &screen, colors);
vs_clip(vdi_handle, false, corners);
}
}
wind_update(END_UPDATE);
graf_mouse(M_ON, NULL);
}
}
VdiHdl init_app()
{
int16_t input[12] = {1,1,1,1,1,1,1,1,1,1,2,1};
int16_t output[57];
app_id = appl_init();
input[0] = Getrez()+2;
vdi_handle = graf_handle(&cellw, &cellh, &chboxw, &chboxh);
v_opnvwk(input, &vdi_handle, output);
}
int count_windows()
{
int count = 0;
// Loop through the window list to get window info.
for (window_t* cur = window_list; cur; cur=cur->next)
{
count++;
}
return count;
}
void copy_opaque(int16_t mode, GRECT* source_rect, GRECT* dest_rect, MFDB* source, MFDB* dest)
{
int16_t coords[8];
grect_to_array(source_rect, coords);
grect_to_array(dest_rect, &(coords[4]));
vro_cpyfm(vdi_handle, mode, coords, source, dest);
}
int load_pattern(MFDB* source)
{
GRECT desk_rect, window_rect;
window_t* desk = get_window(DESKTOP_HANDLE);
int window_count = count_windows();
// pad image with at least a single pixel on each side (and pad width to multiple of 16)
short img_width = (source->fd_w | 15) + 1;
short img_height = source->fd_h + 2;
img_width = img_width < 128 ? 128 : img_width;
img_height = img_height < 128 ? 128 : img_height;
MFDB* image = mfdb_create(img_width, img_height, source->fd_nplanes);
GRECT source_rect = {
0,0,source->fd_w,source->fd_h
};
GRECT dest_rect = {
(img_width-source->fd_w)/2,(img_height-source->fd_h)/2,source->fd_w,source->fd_h
};
copy_opaque(S_ONLY, &source_rect, &dest_rect, source, image);
wind_get_grect(desk->handle, WF_WORKXYWH, &desk_rect);
GRECT inner_rect = {desk_rect.g_x, desk_rect.g_y+chboxh, img_width, img_height};
wind_calc_grect(WC_BORDER, NAME|CLOSER|MOVER, &inner_rect, &window_rect);
window_rect.g_x = desk_rect.g_x + 20+ (window_count-1)*(window_rect.g_w+5);
window_rect.g_y = desk_rect.g_y+10;
window_t* new_window = calloc(1, sizeof(window_t));
new_window->next = desk->next;
new_window->image = image;
desk->next = new_window;
snprintf(new_window->title, sizeof(new_window->title), "Life %d", (int)window_count);
new_window->min_size.g_w = chboxw;
new_window->min_size.g_h = chboxh*2;
new_window->handle = wind_create_grect(NAME|CLOSER|MOVER, &desk_rect);
wind_set_str(new_window->handle, WF_NAME, new_window->title);
wind_open_grect(new_window->handle, &window_rect);
}
// On each tick cycle through one image at a time and process it
static window_t* timer_window = NULL;
void handle_timer_event()
{
// Start at the head of the window list
// will also loop back at the end of the list
if (!timer_window)
timer_window = window_list;
// Skip windows without an image
while(timer_window && !timer_window->image)
timer_window = timer_window->next;
// If there is a current window with an image,
if(timer_window)
{
//graf_mouse(HOURGLASS, NULL);
// process it and skip to the next window
blitlife(timer_window->image);
// Tell the window to refresh:
message_t message;
message.msg_type = WM_REDRAW;
message.sender = app_id;
message.size = 0;
message.handle = timer_window->handle;
wind_get_grect(message.handle, WF_CURRXYWH, &message.rect);
appl_write(app_id, sizeof(message_t), (short*)&message );
// Fetch next window in the chain for the next update
timer_window = timer_window->next;
//graf_mouse(ARROW, NULL);
}
}
void handle_close_window_event(int16_t handle)
{
window_t* prev = NULL;
for(window_t* cur = window_list; cur; prev=cur, cur=cur->next)
{
// Deallocate and remove window from list
if (cur->handle == handle)
{
// ensure the timer doesn't attempt to update the window
if(cur == timer_window)
{
timer_window = NULL;
}
cur->handle = NIL;
if(prev)
{
prev->next = cur->next;
}
else
{
window_list = cur->next;
}
wind_close(handle);
wind_delete(handle);
cur->next = NULL;
mfdb_delete(cur->image);
free(cur);
}
}
}
static const uint16_t acorn_data[] = {
0b0000000000000000,
0b0000100000000000,
0b0000001000000000,
0b0001100111000000,
0b0000000000000000,
};
MFDB acorn = {
(void*)acorn_data,
16, 4, // WxH in pixels
1, // words per line
0, // device specific format
1, // planes
0,0,0 // reserved
};
static const uint16_t babbling_brook_data[] = {
0b0000000100000000,
0b0000011100001100,
0b0000100011001000,
0b0100101100101000,
0b1010100001100110,
0b0110011000010101,
0b0001010011010010,
0b0001001100010000,
0b0011000011100000,
0b0000000010000000,
};
MFDB babbling_brook = {
(void*)babbling_brook_data,
16, 10, // WxH in pixels
1, // words per line
0, // device specific format
1, // planes
0,0,0 // reserved
};
static const uint16_t gosper_glider_gun_data[] = {
0b0000000000000000, 0b0000000000000010, 0b0000000000000000,
0b0000000000000000, 0b0000000000001010, 0b0000000000000000,
0b0000000000000000, 0b0011000000110000, 0b0000000011000000,
0b0000000000000000, 0b0100010000110000, 0b0000000011000000,
0b0000001100000000, 0b1000001000110000, 0b0000000000000000,
0b0000001100000000, 0b1000101100001010, 0b0000000000000000,
0b0000000000000000, 0b1000001000000010, 0b0000000000000000,
0b0000000000000000, 0b0100010000000000, 0b0000000000000000,
0b0000000000000000, 0b0011000000000000, 0b0000000000000000,
};
MFDB gosper_glider_gun = {
(void*)gosper_glider_gun_data,
48, 9, // WxH in pixels
3, // words per line
0, // device specific format
1, // planes
0,0,0 // reserved
};
int main()
{
int16_t status;
window_t desk = {DESKTOP_HANDLE, NULL, "DESKTOP"};
window_list = &desk;
wind_set_str(desk.handle, WF_NAME, desk.title);
init_app();
load_pattern(&acorn);
load_pattern(&babbling_brook);
load_pattern(&gosper_glider_gun);
message_t message;
EVMULT_IN evt_in;
EVMULT_OUT evt_out;
evt_in.emi_flags = MU_MESAG | MU_TIMER;
evt_in.emi_tlow = 100;
evt_in.emi_thigh = 0;
bool running = true;
graf_mouse(ARROW, NULL);
while (running)
{
int16_t events = evnt_multi_fast(&evt_in,(short*)&message,&evt_out);
if(events & MU_MESAG)
{
switch (message.msg_type) {
case WM_CLOSED:
handle_close_window_event(message.handle);
running = count_windows() > 1;
case WM_SIZED:
case WM_MOVED:
handle_move_resize_event(&message);
break;
case WM_TOPPED:
wind_set_str(message.handle, WF_TOP, NULL);
break;
case WM_BOTTOMED:
wind_set_str(message.handle, WF_BOTTOM, NULL);
case WM_REDRAW:
handle_redraw_event(&message);
break;
}
}
if(events & MU_TIMER)
{
handle_timer_event();
}
}
return appl_exit() == 0?0:1;
}