From 8670e4bb2bdaf46399830d9c4d413705ae01dc40 Mon Sep 17 00:00:00 2001
From: UnavailableDev <ggwildplay@gmail.com>
Date: Fri, 10 Mar 2023 16:32:50 +0100
Subject: ppusim read sprites from file and put into vram

---
 src/ppusim/sim.c          | 25 +++++++++++++++++++++++-
 test/bin/test_file_read.c | 48 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 72 insertions(+), 1 deletion(-)
 create mode 100644 test/bin/test_file_read.c

diff --git a/src/ppusim/sim.c b/src/ppusim/sim.c
index 7d56d2d..1fceb82 100644
--- a/src/ppusim/sim.c
+++ b/src/ppusim/sim.c
@@ -1,9 +1,12 @@
 #include <SDL2/SDL.h>
 #include <stdbool.h>
 #include <stdlib.h>
+#include <stdio.h>
 
 #include "main.h"
 #include "ppu/ppu.h"
+#include "ppu/consts.h"
+#include "ppu/internals.h"
 #include "ppusim/mem.h"
 #include "ppusim/sim.h"
 #include "ppusim/work.h"
@@ -26,7 +29,27 @@ void hh_ppu_init() {
 }
 
 void hh_ppu_load_tilemap() {
-	
+	char* filename = "tiles.bin";
+	FILE* fp = fopen(filename,"rb");
+	if (!fp){
+		return;//error
+	}
+
+	fseek(fp, 0, SEEK_END);//goto EOF
+	int _size = ftell(fp)/HH_PPU_VRAM_TMM_SPRITE_SIZE;
+	fseek(fp, 0, 0);//goto start of file
+
+	for (int i = 0; i < _size; i++) {
+		uint8_t data[HH_PPU_VRAM_TMM_SPRITE_SIZE];
+
+		fread(data,HH_PPU_VRAM_TMM_SPRITE_SIZE,1,fp);
+		
+		hh_s_ppu_vram_data sprite = hh_ppu_2nat_sprite(data);
+		sprite.offset = i*HH_PPU_VRAM_TMM_SPRITE_SIZE;
+		hh_ppu_vram_write(sprite);
+		free(sprite.data);
+	}
+	fclose(fp);
 }
 
 void hh_ppu_deinit() {
diff --git a/test/bin/test_file_read.c b/test/bin/test_file_read.c
new file mode 100644
index 0000000..6357feb
--- /dev/null
+++ b/test/bin/test_file_read.c
@@ -0,0 +1,48 @@
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+
+#define HH_PPU_VRAM_TMM_SPRITE_SIZE 52
+
+
+void printData(uint8_t* in) {
+	for (int i = 0; i < HH_PPU_VRAM_TMM_SPRITE_SIZE; i++)
+	{
+		printf("%02x ",in[i]);
+	}
+	printf("\n");
+}
+
+void hh_ppu_load_tilemap() {
+
+	//TODO: lees bestand in mem
+	char* filename = "tiles.bin";
+	FILE* fp = fopen(filename,"rb");
+	if (!fp){
+		return;//error
+	}
+
+	fseek(fp, 0, SEEK_END);
+	int _size = ftell(fp)/HH_PPU_VRAM_TMM_SPRITE_SIZE;
+	fseek(fp, 0, 0);
+	// printf("%i",_size);
+	for (int i = 0; i < _size; i++) {
+		uint8_t data[HH_PPU_VRAM_TMM_SPRITE_SIZE];
+		// for (int i = 0; i < 255; i++) {
+		// 	buffer[i] = 0; //TODO: vullen
+			fread(data,HH_PPU_VRAM_TMM_SPRITE_SIZE,1,fp);
+		// }
+		
+		printData(data);
+	}
+	fclose(fp);
+
+}
+
+
+int main(){
+hh_ppu_load_tilemap();
+    return 0;
+}
-- 
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