bar_change: apply modifier on fill
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1f0dc26baa
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@ -16,6 +16,7 @@ set(SOURCES
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src/bar/init.c
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src/bar/update.c
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src/bar/draw.c
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src/bar/change.c
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)
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set(ASSETS
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@ -13,8 +13,14 @@ struct Bar {
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float fill;
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};
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#define BAR_TOTAL 4
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enum BarID { BAR_CASH, BAR_HUMAN, BAR_SMILE, BAR_SUN };
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struct Bar bar_init(enum BarID bar_id);
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void bar_update(struct Bar *bar);
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void bar_draw(struct Bar bar);
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/* Increase/decrease bar fill level.
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* Return 1 when bar is fully filled.
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* Return -1 when bar is fully emptied.
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* Return 0 otherwise. */
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int bar_change(struct Bar *bar, float modifier);
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@ -0,0 +1,16 @@
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#include "bar.h"
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int
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bar_change(struct Bar *bar, float modifier)
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{
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bar->fill += modifier;
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if (bar->fill >= 1.0) {
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bar->fill = 1.0;
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return 1;
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}
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if (bar->fill <= 0.0) {
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bar->fill = 0.0;
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return -1;
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}
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return 0;
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}
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@ -8,8 +8,8 @@ bar_draw(struct Bar bar)
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const int y = bar.y + bar.height - height;
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/* borders */
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drect_border(bar.x - 1, bar.y - 1, bar.x + BAR_WIDTH + 1, bar.y + bar.height + 1,
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C_WHITE, 2, C_BLACK);
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drect_border(bar.x - 1, bar.y - 1, bar.x + BAR_WIDTH + 1,
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bar.y + bar.height + 1, C_WHITE, 2, C_BLACK);
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/* fill */
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drect(bar.x, y, bar.x + BAR_WIDTH, y + height, C_RGB(0, 32, 32));
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}
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@ -2,7 +2,7 @@
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#include <gint/display.h>
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#include <gint/keyboard.h>
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static struct Bar bars[4];
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static struct Bar bars[BAR_TOTAL];
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static void main_draw(void);
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@ -12,9 +12,12 @@ main(void)
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int i;
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/* init */
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for (i = 0; i < 4; i += 1)
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for (i = 0; i < BAR_TOTAL; i += 1)
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bars[i] = bar_init(i);
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bar_change(&bars[BAR_CASH], 0.2);
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bar_change(&bars[BAR_SMILE], 0.4);
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main_draw();
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getkey();
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@ -33,7 +36,7 @@ main_draw(void)
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dimage(0, 0, &bimg_background);
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/* draw bars */
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for (i = 0; i < 4; i += 1)
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for (i = 0; i < BAR_TOTAL; i += 1)
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bar_draw(bars[i]);
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dupdate();
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