Initial commit: Orbis8 v1.00 by birth1mark - PICO-8 Fantasy Console Player for PS4 & PC

source/stringToDataHelpers.cpp

@@ -0,0 +1,87 @@
+#include <cstdint>
+#include <string>
+
+#include "stringToDataHelpers.h"
+
+#include "logger.h"
+
+void copy_string_to_sprite_memory(uint8_t sprite_data[128 * 64], std::string data) {
+	uint16_t i = 0;
+
+	for (size_t n = 0; n < data.length(); n++) {
+		char buf[3] = {0};
+
+		//https://pico-8.fandom.com/wiki/Memory
+		// "An 8-bit byte represents two pixels, horizontally adjacent, where the most significant 
+		// (leftmost) 4 bits is the right pixel of the pair, and the least significant 4 bits is 
+		// the left pixel.
+		if (data[n] > ' ') {
+			//buf[0] = data[n++];
+			//buf[1] = data[n];
+			buf[1] = data[n++]; //left pixel 
+			buf[0] = data[n];
+			uint8_t val = (uint8_t)strtol(buf, NULL, 16);
+
+			//this was the impl before combining nibbles into a single byte
+			//sprite_data[i++] = val >> 4;
+			//sprite_data[i++] = val & 0x0f;
+			sprite_data[i++] = val;
+		}
+	}
+}
+
+void copy_mini_label_to_sprite_memory(uint8_t sprite_data[128 * 64], std::string data, int labeloffset) {
+	int buffcount = 0;
+	int labelx = 0;
+	int labely = 0;
+	char buf[3] = {0};
+	
+	for (size_t n = 0; n < data.length(); n++) {
+		
+		if (data[n] > ' ') {
+			
+			if (buffcount == 0) {
+				buf[1] = data[n];
+			}
+			
+			if (buffcount == 4) {
+				buf[0] = data[n];
+				uint8_t val = (uint8_t)strtol(buf, NULL, 16);
+				if ((labelx + (labely * 16)) % 64 <= 15){
+					sprite_data[labeloffset + labelx + (labely * 16)] = val;
+				}
+				labelx++;
+				
+			}
+			
+			if(labelx == 16){
+				labely++;
+				labelx = 0;
+			}
+			
+			buffcount++;
+			
+			if (buffcount == 8){
+				buffcount = 0;
+			}
+			
+		}
+	}
+}
+
+
+void copy_string_to_memory(uint8_t* sprite_flag_data, std::string data) {
+	uint16_t i = 0;
+
+	for (size_t n = 0; n < data.length(); n++) {
+		char buf[3] = {0};
+
+		if (data[n] > ' ') {
+			buf[0] = data[n++];
+			buf[1] = data[n];
+			uint8_t val = (uint8_t)strtol(buf, NULL, 16);
+
+			sprite_flag_data[i++] = val;
+		}
+	}
+}