1 files changed, 41 insertions, 0 deletions
diff --git a/src/engine/animator.c b/src/engine/animator.c
new file mode 100644
index 0000000..3d46ea0
--- /dev/null
+++ b/src/engine/animator.c
@@ -0,0 +1,41 @@
+#include "engine/animator.h"
+#include "engine/entity.h"
+#include "engine/maths.h"
+#include "ppu/consts.h"
+#include "ppu/ppu.h"
+
+
+#define hh_white_palette 6
+
+void hh_animate_hit(hh_s_rendering* in, bool hit) {
+	if (hit) {
+		in->fam.palette_index = hh_white_palette;
+	} else {
+		in->fam.palette_index = in->palette;
+	}
+}
+
+void hh_animate(hh_s_rendering* in, uint16_t start, uint16_t end, uint8_t step) {
+	if (in->fam.palette_index >= start && in->fam.palette_index < end) {
+		in->fam.palette_index += step;
+	} else {// rollover
+		in->fam.palette_index = start;
+	}
+}
+
+//TODO: if entity not inside of screen, don't update idx (problems with old idx not being overwritten anymore)
+void hh_update_sprite(uint16_t *idx, hh_entity* in, vec_cor cam) {
+	hh_animate_hit(&in->render, in->is_hit);
+	hh_s_ppu_loc_fam_entry temp = in->render.fam;
+	for (int y = 0; y < CEILI(in->size.y,16); y++) {
+		temp.position_y = CLAMP(in->pos.y - cam.y + y*HH_PPU_SPRITE_HEIGHT, -16, HH_PPU_SCREEN_HEIGHT);
+		for (int x = 0; x < CEILI(in->size.x,16); x++) {
+			temp.position_x = CLAMP(in->pos.x - cam.x + x*HH_PPU_SPRITE_WIDTH, -16, HH_PPU_SCREEN_WIDTH);
+			// if (temp.position_x != -16 && temp.position_y != -16) {// removes redundant sprites
+				hh_ppu_update_foreground(++*idx, temp);
+				temp.tilemap_index++;
+				// hh_animate(&in->render, start+counter,end+counter,4);
+			// }
+		}
+	}
+}