Fierelier/unigi
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Replace random() with example_random(), put definitions at start of scopes

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This commit is contained in:
Fierelier 2024-04-21 17:11:39 +02:00
parent e32d51dedc
commit d258cd9da3
2 changed files with 37 additions and 15 deletions
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50
src/main.c
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@ -3,17 +3,29 @@
#ifndef unigi_flag_exception
#include <stdio.h>
#define min(x, y) ((x) < (y) ? (x) : (y))
#define max(x, y) ((x) > (y) ? (x) : (y))
#ifndef min
#define min(x, y) ((x) < (y) ? (x) : (y))
#endif
#ifndef max
#define max(x, y) ((x) > (y) ? (x) : (y))
#endif
unigi_type_uint32 seed = 1337;
unigi_type_uint32 example_random() {
seed = (seed * 1103515245 + 12345) & 0x7FFFFFFF;
return seed;
}
int main() {
if (unigi_init() > 0) { return 1; }
if (unigi_graphics_init() > 0) { return 1; }
size_t resolution_index = 0;
unigi_type_resolution_pixel_index smallestValidSize = 0 - 1;
unigi_type_resolution smallestValidRes;
smallestValidRes.width = 0;
if (unigi_init() > 0) { return 1; }
if (unigi_graphics_init() > 0) { return 1; }
while (1) {
unigi_type_resolution_range * range = &unigi_status_resolutions[resolution_index];
if (
@ -36,6 +48,7 @@ int main() {
range->min->width <= 800 &&
range->min->height <= 600
) {
unigi_type_resolution_pixel_index size;
unigi_type_resolution_pixel_axis smallestWidth = min(
max(range->min->width,320),
min(range->max->width,800)
@ -48,7 +61,7 @@ int main() {
printf("Found valid resolution: %ix%ix%i\n",smallestWidth,smallestHeight,range->min->depth);
unigi_type_resolution_pixel_index size = (unigi_type_resolution_pixel_index)smallestWidth * smallestHeight;
size = (unigi_type_resolution_pixel_index)smallestWidth * smallestHeight;
if (size < smallestValidSize) {
smallestValidRes.width = smallestWidth;
smallestValidRes.height = smallestHeight;
@ -75,6 +88,15 @@ int main() {
unigi_input_init();
while (1) {
unigi_type_resolution_pixel_axis startX;
unigi_type_resolution_pixel_axis startY;
unigi_type_resolution_pixel_axis width;
unigi_type_resolution_pixel_axis height;
unigi_type_resolution_pixel_index startIndex;
unigi_type_resolution_pixel_index stopIndex;
unigi_type_resolution_pixel_index prog;
unigi_type_resolution_pixel_axis ind;
while (1) {
unigi_type_event * event = unigi_event_get();
if (event->id == unigi_enum_event_none) { break; }
@ -89,20 +111,20 @@ int main() {
}
// Draw some random squares on the screen
unigi_type_resolution_pixel_axis startX = random() % (unigi_status_resolution.width);
unigi_type_resolution_pixel_axis startY = random() % (unigi_status_resolution.height);
unigi_type_resolution_pixel_axis width = random() % (unigi_status_resolution.width - startX);
unigi_type_resolution_pixel_axis height = random() % (unigi_status_resolution.height - startY);
unigi_type_resolution_pixel_index startIndex = startX + (unigi_status_resolution.width * startY);
unigi_type_resolution_pixel_index stopIndex = startIndex + width;
unigi_graphics_draw_square(startIndex,stopIndex,height,random() % 65535);
startX = example_random() % (unigi_status_resolution.width);
startY = example_random() % (unigi_status_resolution.height);
width = example_random() % (unigi_status_resolution.width - startX);
height = example_random() % (unigi_status_resolution.height - startY);
startIndex = startX + (unigi_status_resolution.width * startY);
stopIndex = startIndex + width;
unigi_graphics_draw_square(startIndex,stopIndex,height,example_random() % 65535);
// Draw a simple test pattern, and demonstrate how to use floats
unigi_type_resolution_pixel_index prog = unigi_float_2int(unigi_float_mul(
prog = unigi_float_2int(unigi_float_mul(
unigi_float_make(unigi_status_resolution.width),
unigi_float_div(unigi_float_make(1),unigi_float_make(40))
));
unigi_type_resolution_pixel_axis ind = 0;
ind = 0;
unigi_graphics_draw_square(prog * ind,prog * (ind + 1),unigi_status_resolution.height,0xF00F);
ind++;
unigi_graphics_draw_square(prog * ind,prog * (ind + 1),unigi_status_resolution.height,0xFF0F);