added title screen

1 files changed, 93 insertions, 0 deletions

diff --git a/src/engine/title_screen.c b/src/engine/title_screen.c
new file mode 100644
index 0000000..9c7ed48
--- /dev/null
+++ b/src/engine/title_screen.c
@@ -0,0 +1,93 @@
+#include "ppu/ppu.h"
+#include "ppu/types.h"
+#include "ppu/consts.h"
+
+
+#include "engine/draw_screen.h"
+#include "engine/entity.h"
+
+void hh_init_title_screen(){
+
+	// hh_clear_screen();
+
+	//send data
+	uint8_t idx = 0;
+	const uint8_t tilemap_offset = 59;
+	int tiles_h = HH_PPU_BG_CANVAS_TILES_H;
+	int vp_h = HH_PPU_SCREEN_WIDTH/HH_PPU_SPRITE_WIDTH; //screen_h in tiles
+	int vert_offset = tiles_h*3;
+
+	const uint8_t arr[4][4] = {
+		{0,1,1,0},
+		{2,3,3,2},
+		{4,0,0,4},
+		{5,6,6,5},
+	};
+	int val, counter =0;
+	hh_ppu_update_color(5, 0, (hh_ppu_rgb_color_t) {0x1, 0x1, 0x1});
+	for (int i = 0; i < 4; i++) {
+		for (int j = 0; j < 4; j++) {
+			val = arr[i][j];
+
+			hh_s_ppu_loc_bam_entry temp = {
+			.vertical_flip=false, .horizontal_flip = ((j % 4 < 2) ? false : true),
+			.palette_index = (counter == 9 || counter == 10? 5:3), .tilemap_index = (val > 0 ? (tilemap_offset + val) : 0)
+			};
+
+			int vert_pos = tiles_h*i;
+			int x_pos = j;
+			idx = vert_offset + vert_pos + x_pos + vp_h/2-2;
+			
+			hh_ppu_update_background(idx,temp);
+			counter++;
+		}
+
+	}
+	
+
+	const uint8_t letters_offset = 66;
+	const int _size_hooded = 7, _size_v = 2;
+
+	// char* hh = "hooded";
+	int hooded_lookup[7][2]={
+		{0,1},{0,2},//H
+		{3,4},{3,4},//oo
+		{5,6},{13,9},//de
+		{5,6}//d
+	};
+
+	counter = 8;
+	for (int i = 0; i < _size_hooded; i++) {
+		for (int vert = 1; vert <= _size_v; vert++) {
+			//TODO: move 'H' a few pixels to the right for a more cohesive font spacing
+			hh_ppu_update_foreground(counter++, (hh_s_ppu_loc_fam_entry) {
+				.vertical_flip = false, .horizontal_flip = false,
+				.palette_index = 6, .tilemap_index = letters_offset + hooded_lookup[i][vert-1],
+				.position_x = (16*i + 64+48), .position_y = (16*(vert > 1 ? 0:1)*-1 + 64+8+16 +(i==2 || i==3 ? 6:0))
+			});	
+		}
+	}
+
+
+	hh_ppu_update_color(5, 1, (hh_ppu_rgb_color_t) {0xa, 0x3, 0x3});
+	hh_ppu_update_color(5, 2, (hh_ppu_rgb_color_t) {0xc, 0x5, 0x3});
+
+	const int _size_havoc = 6;
+	int lookup_havoc[6][2]={
+		{0,1},{0,2},//H
+		{13,10},{7,8},//av
+		{13,11},{13,12}//oc
+	};
+
+	counter = 8 + (_size_hooded * _size_v);
+	for (int i = 0; i < _size_havoc; i++) {
+		for (int vert = 1; vert <= _size_v; vert++) {
+			//TODO: move 'H' a few pixels to the right for a more cohesive font spacing
+			hh_ppu_update_foreground(counter++, (hh_s_ppu_loc_fam_entry) {
+				.vertical_flip = false, .horizontal_flip = (i > 4 && vert==0 ? 1:0),
+				.palette_index = 5, .tilemap_index = letters_offset + lookup_havoc[i][vert-1],
+				.position_x = (16*i +64+32+8), .position_y = (16*(vert > 1 ? 0:1)*-1 + 64+8+48)
+			});	
+		}
+	}
+}