From fb6463dd40cdffb7cfc49c9c4bc1afe94f72240f Mon Sep 17 00:00:00 2001
From: hkz <tabaglio@posteo.net>
Date: Fri, 25 Jul 2025 09:48:48 +0200
Subject: [PATCH] Draw endgame box

---
 src/charset.h       |  9 +++++----
 src/game_graphics.c | 39 +++++++++++++++++++++++++++++++++++++++
 src/game_graphics.h |  1 +
 src/input.c         |  7 +++++++
 src/input.h         |  2 ++
 src/main.c          | 16 +++++++++++++++-
 6 files changed, 69 insertions(+), 5 deletions(-)

diff --git a/src/charset.h b/src/charset.h
index c2a8746..3006afb 100644
--- a/src/charset.h
+++ b/src/charset.h
@@ -12,12 +12,13 @@
 // = > ?
 // Then graphic characters follow
 
-#define ALPHA_OFFSET 8
-#define SYMBOL_OFFSET (28 * 8)
-#define NUM_OFFSET (48 * 8)
-
 #define CHAR_HEIGHT 8
 
+#define ALPHA_OFFSET (1 * CHAR_HEIGHT
+#define SYMBOL_OFFSET (28 * CHAR_HEIGHT)
+#define NUM_OFFSET (48 * CHAR_HEIGHT)
+#define GRAPH_OFFSET (58 * CHAR_HEIGHT)
+
 const uint8_t* const CHARSET = (uint8_t*)0xF200;
 
 #endif /* _CHARSET_HEADER_ */
diff --git a/src/game_graphics.c b/src/game_graphics.c
index 6ec1252..e68976f 100644
--- a/src/game_graphics.c
+++ b/src/game_graphics.c
@@ -13,6 +13,9 @@
 #include "graph_misc_data.h"
 #include "arrows_pic.h"
 
+#define SCREEN_WIDTH 280
+#define SCREEN_HEIGHT 192
+
 #define SCREEN_WIDTH_B 40
 #define GRID_CELL_SIDE 35
 
@@ -102,6 +105,42 @@ void draw_tiles(void) {
 	draw_field_borders_on_buffer(0x0F, back_buf);
 }
 
+#define ENDGAME_BOX_X_OFFSET 2
+#define ENDGAME_BOX_Y_OFFSET 16
+void ddraw_endgame_box(int8_t done, uint16_t score, uint16_t hi_score) {
+	// Clear the part of the screen where we'll draw
+	clear_box(SCREEN_WIDTH_B - (ENDGAME_BOX_X_OFFSET * 2), SCREEN_HEIGHT - (ENDGAME_BOX_Y_OFFSET * 2), ENDGAME_BOX_X_OFFSET, ENDGAME_BOX_Y_OFFSET, front_buf);
+	
+	// Horizontal lines
+	for(uint8_t row = 0; row < CHAR_HEIGHT; row++) {
+		uint16_t offset_top =  line_offset_map[ENDGAME_BOX_Y_OFFSET + CHAR_HEIGHT + row] + ENDGAME_BOX_X_OFFSET + 1;
+		uint16_t offset_bottom =  line_offset_map[SCREEN_HEIGHT - ENDGAME_BOX_Y_OFFSET - CHAR_HEIGHT + row] + ENDGAME_BOX_X_OFFSET + 1;
+		for(uint8_t col = 0; col < SCREEN_WIDTH_B - ((ENDGAME_BOX_X_OFFSET * 2) + 2); col++) {
+			front_buf[offset_top + col] = CHARSET[GRAPH_OFFSET + (12 * CHAR_HEIGHT) + row];
+			front_buf[offset_bottom + col] = CHARSET[GRAPH_OFFSET + (12 * CHAR_HEIGHT) + row];
+		}
+	}
+	
+	// Corners
+	for(uint8_t row = 0; row < CHAR_HEIGHT; row++) {
+		uint16_t offset_top =  line_offset_map[ENDGAME_BOX_Y_OFFSET + CHAR_HEIGHT + row] + ENDGAME_BOX_X_OFFSET + 1;
+		uint16_t offset_bottom =  line_offset_map[SCREEN_HEIGHT - ENDGAME_BOX_Y_OFFSET - CHAR_HEIGHT + row] + ENDGAME_BOX_X_OFFSET + 1;
+		
+		front_buf[offset_top] = CHARSET[GRAPH_OFFSET + (25 * CHAR_HEIGHT) + row];
+		front_buf[offset_bottom] = CHARSET[GRAPH_OFFSET + (27 * CHAR_HEIGHT) + row];
+		front_buf[offset_top + (SCREEN_WIDTH_B - ((ENDGAME_BOX_X_OFFSET * 2) + 2))] = CHARSET[GRAPH_OFFSET + (26 * CHAR_HEIGHT) + row];
+		front_buf[offset_bottom + (SCREEN_WIDTH_B - ((ENDGAME_BOX_X_OFFSET * 2) + 2))] = CHARSET[GRAPH_OFFSET + (28 * CHAR_HEIGHT) + row];			
+	}
+	
+	// Vertical lines
+	for(uint8_t row = 0; row < ((SCREEN_HEIGHT - (ENDGAME_BOX_Y_OFFSET * 3) - CHAR_HEIGHT)) + 1; row++) {
+		uint16_t offset =  line_offset_map[ENDGAME_BOX_Y_OFFSET + (CHAR_HEIGHT * 2) + row] + ENDGAME_BOX_X_OFFSET + 1;
+		
+		front_buf[offset] = CHARSET[GRAPH_OFFSET + (19 * CHAR_HEIGHT) + (row % CHAR_HEIGHT)];
+		front_buf[offset + (SCREEN_WIDTH_B - ((ENDGAME_BOX_X_OFFSET * 2) + 2))] = CHARSET[GRAPH_OFFSET + (19 * CHAR_HEIGHT) + (row % CHAR_HEIGHT)];		
+	}
+}
+
 // Note that the horizontal values here are in group of 7 pixels
 void clear_box(uint8_t w, uint8_t h, uint8_t off_x, uint8_t off_y, uint8_t *disp_buf) {
 	for(uint8_t y = off_y; y < off_y + h; y++) {
diff --git a/src/game_graphics.h b/src/game_graphics.h
index 0f448e8..0ed447d 100644
--- a/src/game_graphics.h
+++ b/src/game_graphics.h
@@ -28,5 +28,6 @@ void ddraw_single_tile(uint8_t offset);
 void swap_display_buffers(void);
 void clear_box(uint8_t w, uint8_t h, uint8_t off_x, uint8_t off_y, uint8_t *disp_buf);
 void ddraw_direction_arrows(arrow_direction dir);
+void ddraw_endgame_box(int8_t done, uint16_t score, uint16_t hi_score);
 
 #endif /* _GAME_GRAPHICS_HEADER_ */
diff --git a/src/input.c b/src/input.c
index 61a5d7b..78b6927 100644
--- a/src/input.c
+++ b/src/input.c
@@ -34,3 +34,10 @@ key read_kb(void) {
 		return K_NONE;
 	}
 }
+
+uint8_t read_any_key(void) {
+	PEEK(IO_KB_CTRL_LOW);
+
+	POKE(IO_DATAOUT, 0xFF);
+	return PEEK(IO_DATAIN) & DATAIN_KB_MASK;
+}
diff --git a/src/input.h b/src/input.h
index 404355d..fb54328 100644
--- a/src/input.h
+++ b/src/input.h
@@ -13,4 +13,6 @@ typedef enum {
 
 key read_kb(void);
 
+uint8_t read_any_key(void);
+
 #endif /* _INPUT_HEADER_ */
diff --git a/src/main.c b/src/main.c
index 033c7a6..003a16e 100644
--- a/src/main.c
+++ b/src/main.c
@@ -25,6 +25,7 @@
 #define WIN_SCORE_BONUS 10000
 
 void init(void);
+void clear_display(void);
 
 // Low level initialization
 void init(void) {
@@ -35,6 +36,10 @@ void init(void) {
 	PEEK(IO_DISPLAY_PAGE1); // Select the first display page
 	
 	// Clear display memory
+	clear_display();
+}
+
+void clear_display(void) {
 	memset((void*)DISPLAY_PAGE_1, 0, DISPLAY_PAGE_SIZE);
 	memset((void*)DISPLAY_PAGE_2, 0, DISPLAY_PAGE_SIZE);
 }
@@ -52,10 +57,19 @@ __task int main(void) {
 		
 		// Check if we have a new high-score
 		if (score > hi_score) hi_score = score;
+		
+		// TODO: Draw a screen and wait for a key press here here
+		BELL1();
+		ddraw_endgame_box(done, score, hi_score);
+		while(!read_any_key()) {
+			lfsr_update();
+		}
+		BELL1();
+		clear_display(); // Clear display again
 	
 		// Reset the game, calculate the initial score depending on which tiles we randomly get
 		score = reset_game();
-	
+
 		// Draw the initial state of the game
 		draw_game_background();
 		draw_number(moves_count, MOVES_TEXT_WIDTH, MOVES_TEXT_X, MOVES_TEXT_Y);